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Witold
A. Krzymień – Publications and Patents |
1. Articles in refereed journals.
1.
S.D. Muruganathan, W.A.
Krzymień and A.B. Sesay, “A null-subcarrier-aided reference symbol mapping
scheme for 3GPP LTE downlink in high-mobility scenarios”, IEEE
Transactions on Vehicular Technology, vol. 61, no. 2, Feb. 2012, pp. 624-638.
2.
R.C. Elliott, S. Sigdel and W.A. Krzymień, “Low complexity
greedy, genetic, and hybrid user scheduling algorithms for multiuser MIMO
systems with successive zero-forcing”, accepted (20
January 2012) for publication in European Transactions on Telecommunications.
3.
S.
Kaviani, O. Simeone, W.A. Krzymień and S. Shamai (Shitz), “Linear precoding and equalization for network MIMO with partial
cooperation”, accepted (5 January 2012) for publication in IEEE
Transactions on Vehicular Technology.
4.
M. Eslami,
W.A. Krzymień, “Net throughput maximization of per-chunk user scheduling
for MIMO-OFDM downlink”, IEEE
Transactions on Vehicular Technology, vol. 60, no. 9, Nov. 2011, pp. 4338-4348.
5.
R.C. Elliott and W.A. Krzymień, “Improved and weighted sum rate maximization for successive
zero-forcing in multiuser MIMO systems”, EURASIP
Journal on Wireless Communications and Networking, Special Issue on Recent Advances in Multiuser MIMO
Systems, 2011:133 (14 October 2011), pp. 1-16, doi:10.1186/1687-1499-2011-133.
6.
K.R.
Jacobson, W.A. Krzymień, “Multihop relaying and
multiple antenna techniques - performance trade-offs in cellular systems”, EURASIP Journal on Wireless Communications and
Networking, 2011:65 (18 August 2011), pp. 1-19, doi:10.1186/1687-1499-2011-65.
7.
R.C. Elliott and W.A. Krzymień, “On the convergence of genetic scheduling algorithms for downlink
transmission in multi-user MIMO systems”, Wireless Personal Communications – An International Journal (Springer), vol. 58, no. 3, June (I) 2011, pp. 469-481.
8.
R. C. Elliott and W. A. Krzymień, “Correction to
‘Downlink scheduling via genetic algorithms for multiuser single-carrier and
multicarrier MIMO systems with dirty paper coding’”, IEEE Transactions on Vehicular Technology, vol. 60, no. 4,
May 2011, pp. 1977-1979.
9.
S.
Kaviani, W.A. Krzymień, “Optimal multiuser zero-forcing with per-antenna
power constraints for network MIMO coordination”, EURASIP Journal on Wireless
Communications and Networking,
Special Issue on Recent Advances in Multiuser MIMO Systems, vol. 2011, article ID 190461
(10 March 2011), 12 pages, doi:10.1155/2011/190461.
10. Y. Fu, W.A. Krzymień, C.
Tellambura, “Covariance precoding schemes for MIMO-OFDM over transmit-antenna and
path-correlated channels”, European Transactions on Telecommunications, vol. 21, issue 7, pp. 611-623, November 2010.
11. A. Talebi, W.A. Krzymień, “Cooperative
MIMO multiple-relay system with optimized beamforming and power allocation”, IET
Communications, vol. 4, issue 14,
pp. 1677-1686, 24 September 2010.
12. C. Bai, W.A. Krzymień, I.J. Fair, “Hybrid-ARQ for layered space time
MIMO systems with channel state information only at the receiver”, IET Communications, vol. 4, issue 14,
pp. 1765–1773, 24 September 2010.
13. M. Eslami, W.A. Krzymień, “Efficient transmission schemes for multiuser
MIMO downlink with linear receivers and partial channel state information”, EURASIP Journal on Wireless Communications
and Networking, vol. 2010, article ID 572675, 12 pages.
14.
M. Eslami,
W.A. Krzymień, “An efficient low-complexity detector for spatially
multiplexed MC-CDM”, IEEE Transactions on
Signal Processing, vol. 58, no. 8, pp. 4286-4297, August 2010.
15. S.D. Muruganathan, A.B. Sesay, and W.A. Krzymień, “Analytical
query response time evaluation for a two-level clustering hierarchy based
wireless sensor network routing protocol”, IEEE Communications Letters, vol. 14, no. 5, pp. 486-488, May 2010.
16. Z. Chen, T. Brandon,
D.G. Elliott, S. Bates, W.A. Krzymień, and B.F. Cockburn, “Jointly designed
architecture-aware LDPC convolutional codes and high-throughput parallel
encoders/decoders”, IEEE Trans. on Circuits and Systems – Part I:
Regular Papers, vol. 57, no.
4, April 2010, pp. 836-849.
17. B. Mielczarek, W.A. Krzymień, “Comparison of partial
CSI encoding methods in multi-user MIMO systems”, Wireless Personal
Communications – An International Journal (Springer), vol. 52, no.
1, January 2010, pp. 177-193.
18. S. Sigdel, W. A. Krzymień, “Antenna
and user subset selection in downlink multiuser orthogonal space-division
multiplexing”, in ibid,
pp. 227-240.
19. K.R. Jacobson, W.A. Krzymień, “System design and throughput analysis for
multi-hop relaying in cellular systems”, IEEE
Transactions on Vehicular Technology, vol. 58, no. 8, October 2009, pp. 4514-4528.
20. R. C. Elliott and W.
A. Krzymień, “Downlink scheduling via genetic algorithms for multiuser
single-carrier and multicarrier MIMO systems with dirty paper coding,” IEEE Transactions on Vehicular Technology, vol. 58, no. 7,
September 2009, pp. 3247-3262.
21. Y. Fu, W.A. Krzymień, C.
Tellambura, “Precoding for
orthogonal space-time block-coded OFDM downlink: mean or covariance feedback?”,
IEEE Transactions on Vehicular Technology,
vol. 58, no. 7, September 2009, pp.
3263-3270.
22. M. Eslami,
W.A. Krzymień, “On the performance of spatially multiplexed
MC-CDM with zero-forcing unified successive interference cancellation
detection”, IET Communications,
vol. 3, no. 8, August 2009, pp. 1410-1419.
23. S. Sigdel, W.A. Krzymień,
“Simplified
fair scheduling and antenna selection algorithms for multiuser MIMO orthogonal
space division multiplexing downlink”, IEEE Trans.
on Vehicular Technology, vol. 58, no. 3, March 2009, pp. 1329-1344.
24. G. Li, I.J. Fair, W.A. Krzymień, “Density evolution for
nonbinary LDPC codes under Gaussian approximation”, IEEE Transactions on Information Theory, vol. 55, no. 3,
March 2009, pp. 997-1015.
25. B.C. Lim, W.A. Krzymień, C. Schlegel, “Efficient
sum rate maximization and resource allocation in block diagonalized
space-division multiplexing”, IEEE Transactions on Vehicular Technology, vol. 58, no. 1,
January 2009, pp. 478-483.
26. Y. Fu, C.
Tellambura, W.A. Krzymień, “Limited-feedback
precoding for closed-loop multiple-user MIMO OFDM systems with frequency
offsets”, IEEE Transactions on Wireless Communications, vol. 7, no. 11, Nov. 2008, pp. 4155-4165.
27. M. Elkashlan, I.B. Collings, Z. Chen, W.A. Krzymień, “Decentralized
dynamic allocation of subchannels in multiple access
networks”, IEEE Communications Letters, vol.12, no. 10, October 2008, pp. 761-763.
28. M. Elkashlan, Z.
Chen, I.B. Collings, W.A. Krzymień, “Selection based resource allocation for decentralized
multi-user communications”, Physical Communication (Elsevier),
vol. 1, no. 3, September 2008, pp. 194-208.
29. J. Liu, W.A. Krzymień, “A novel nonlinear joint
transmitter-receiver processing algorithm for the downlink of multi-user MIMO
systems”, IEEE Transactions on Vehicular
Technology, vol. 57, no. 4, July
2008, pp. 2189-2204.
30. C. Bai, B. Mielczarek, I.J. Fair, W.A. Krzymień, “Sub-block
recovery scheme for iterative decoding of turbo codes with the sub-block
structure”, IEICE (Japan) Transactions on
Communications, vol. E91-B, no. 5,
May 2008, pp. 1375-1386.
31. B. Mielczarek, W.A. Krzymień, “Adaptive hybrid ARQ
systems with BCJR decoding”, IEEE
Transactions on Vehicular Technology,
vol. 57, no. 3, May 2008, pp. 1606 - 1619.
32. G.G. Messier, W.A. Krzymień, “A Gaussian
symbol-level model for CDMA forward link intracell
interference”, IEEE Transactions on
Vehicular Technology, vol. 56, no.
6, part 2, Nov. 2007, pp. 3927 - 3931.
33. Y. Fu, W.A. Krzymień, C.
Tellambura, “A technique for
multiuser and intercarrier interference reduction in
multiple-antenna multiuser OFDM downlink”, IEEE
Trans. on Wireless Communications, vol. 6, no. 10, October 2007, pp. 3493 -
3497.
34. D.J. Mazzarese, W.A. Krzymień, “Scheduling algorithms
and throughput maximization for the downlink of packet-data cellular systems
with multiple antennas at the base station“, Wireless Personal Communications – An International Journal (Springer), vol. 43, no. 2, October 2007, pp. 215-260.
35. S. Sigdel, W.A. Krzymień,
“Performance evaluation of spatially multiplexed MIMO systems with subset
antenna transmission in interference limited environments”, ibid.,
pp. 623-644.
36. J. Liu, W.A. Krzymień, “Improved Tomlinson-Harashima precoding for the downlink of multi-user MIMO
systems”, Can. J. of Electrical &
Computer Engineering, vol. 32, no. 3, Summer 2007, pp. 133-144.
37. J. Liu, W.A. Krzymień, “A novel nonlinear
precoding algorithm for the downlink of multiple antenna multi-user systems”, Wireless
Personal Communications – An International Journal (Springer), vol. 41, no.
2, April 2007, pp. 207-223.
38. R. Novak,
W.A. Krzymień, “Diversity combining options and
low-complexity MMSE equalization for spread spectrum OFDM systems in frequency
selective fading channels", Wireless Personal Communications – An
International Journal (Springer), vol. 41, no. 2, April 2007, pp. 281-300.
39. C. Bai, B. Mielczarek, W.A. Krzymień, I.J. Fair, “Improved analysis of list decoding and its
application to convolutional codes and turbo codes”, IEEE Trans. Information Theory, vol. 53, no. 2, February 2007, pp. 615-627.
40. Y. Fu, C.
Tellambura, W.A. Krzymień,
“Transmitter precoding for ICI reduction in closed-loop MIMO OFDM systems”, IEEE Trans. Veh.
Technol., vol. 56, no.1, January
2007, pp.115-125.
41. G.G. Messier, W.A. Krzymień, “Performance
of turbo coding with improved interference estimation on the CDMA space time
transmit diversity forward link”, IEEE
Transactions on Vehicular Technology,
vol. 55, no. 3, May 2006, pp.1074-1079.
42. G. Li, I.J. Fair, W.A. Krzymień, “Low-density parity-check
codes for space-time wireless transmission”, IEEE Trans. on Wireless Commun., vol. 5, no. 2, February 2006, pp.312-322.
43. G.G. Messier, W.A. Krzymień, “Improved channel decoding for the CDMA forward link
chip-level LMMSE receiver”, IEEE
Trans. Veh. Technol., vol.55, no.1, January 2006,
pp. 405 - 410.
44. G.G. Messier, W.A. Krzymień, “Improving
channel decoder performance on the
CDMA forward link”, IEEE Trans. on
Wireless Commun., vol. 4, no. 3, May 2005, pp.1064 - 1072.
45. A.C.K. Soong, W.A. Krzymień, Y.C. Yoon,
“CDMA2000 evolution: 1x EV-DV”, Guest Editorial for the Special Feature Topic, IEEE
Communications Magazine, vol. 43, no. 4, April 2005, pp. 34-35.
46. M. V. Burnashev, C.
B. Schlegel, W. A. Krzymień, and Z. Shi, “Analysis of the dynamics of iterative
interference cancellation in iterative decoding”, Problems of
Information Transmission, vol. 40, no. 4, October 2004, pp. 297-317.
47. R. Novak,
W.A. Krzymień, “Efficient packet data service
in a spread spectrum OFDM cellular system with 2-dimensional radio resource
allocation”, 4th Special Issue on Multi-Carrier Spread Spectrum of the European Transactions on Telecommunications,
vol. 15, no. 3, May/June 2004, pp.
185-199.
49. P. Goud Jr., C. Schlegel, W.A. Krzymień,
R. Hang, "Multiple antenna communication systems - an emerging
technology", Can. J. of Electrical
& Computer Engineering, Special Issue on Advances in Wireless
Communications and Networking, vol. 29, no. 1/2, January/April 2004, pp. 51-59.
50. R. Hang, W.A. Krzymień, C.L. Despins,
“Improved MAC protocol for reverse link packet data transmission in wideband
DS-CDMA”, IEEE Transactions on Wireless
Communications, vol. 2, no. 1, January
2003, pp. 162-174.
51. S. Sun, W.A. Krzymień, Q. Shen, B. Darian,
“Rapid access protocols for discontinuous transmission in DS-CDMA systems”, Wireless
Personal Communications – An International Journal (Springer), vol. 21, no.
2, May 2002, pp. 201-218.
52. S. Sun, W.A. Krzymień, "Hybrid ARQ
and optimal signal-to-interference ratio assignment for high-quality data
transmission in DS-CDMA”, European
Transactions on Telecommunications, vol.12, no 1, January/February 2001,
pp. 19-29.
53. S. Kaiser, W.A. Krzymień, K. Fazel, “SS-MC-MA systems with pilot symbol aided channel
estimation in the asynchronous uplink”, European
Transactions on Telecommunications (2nd Special Issue on
Multi-Carrier Spread Spectrum), vol. 11, no. 6, November-December 2000, pp.
605-610.
54. S. Kaiser, W. A. Krzymień, “Performance
effects of the uplink asynchronism in a spread
spectrum multi-carrier multiple access system”, European Transactions on Telecommunications (Special Issue on
Multi-Carrier Spread Spectrum), vol. 10, no. 4, July/August 1999, pp. 399-406.
55. L. Tomba, W.A.
Krzymień, “An analysis of the effect of chip timing jitter in MC-CDMA
systems”, IEEE Transactions on Vehicular
Technology, vol. 48, no. 6, November 1999, pp. 1889-1898.
56. L. Tomba, W.A.
Krzymień, “Sensitivity of the MC-CDMA access scheme to carrier phase noise
and frequency offset”, IEEE Transactions
on Vehicular Technology, vol. 48, no. 5, September 1999, pp. 1657-1665.
57. Q. Shen, W.A. Krzymień, “Optimum power
assignment for maximum throughput in CDMA personal communication systems with
integrated voice/data traffic”, Wireless
Personal Communications - An International Journal (Springer), vol. 8, no. 3, December 1998, pp. 277-289.
58. D. Liu, C.L. Despins, W.A. Krzymień,
“Low-complexity performance evaluation of binary and quaternary DS-SSMA over
Rician fading channels via the characteristic function method”, Special Issue
on CDMA for Universal Personal Communications Systems of the Wireless Personal Communications - An
International Journal, vol. 7, no. 2/3, August 1998, pp. 257-273.
59. A.C.K. Soong, W.A. Krzymień,
"Reference symbol assisted multi-stage successive interference
cancellation for CDMA wireless communications: Robustness to parameter
imperfections with biphase and quadriphase
spreading”, Wireless Personal
Communications - An International Journal (Springer), vol. 7, no. 1, May 1998, pp. 1-23.
60. L. Tomba, W.A.
Krzymień, "Downlink detection schemes for MC-CDMA systems in indoor
environments", Special Issue on Personal Communications, IEICE
(Japan) Transactions on Communications, vol. E79-B, no. 9, September 1996,
pp. 1351-1360.
61. A.C.K. Soong, W.A. Krzymień, "A novel
CDMA multiuser interference cancelling receiver with reference symbol aided
estimation of channel parameters", Special Issue on Code Division Multiple
Access Networks III, IEEE Journal on
Selected Areas in Communications, vol. 14, no. 8, October 1996, pp.
1536-1547.
62. W.A. Krzymień, A. Jalali,
P. Mermelstein, "Rapid acquisition algorithms for synchronization of bursty transmissions in CDMA microcellular and personal
wireless systems", Special Issue on Wireless Local Communications I, IEEE Journal on Selected Areas in
Communications, vol. 14, no. 3, April 1996, pp. 570-579.
63. G.J. Erker, D.E. Dodds, W.A. Krzymień, "ISDN loop extension using
a mid-span amplifier", Intl. J. of
Communication Systems (John Wiley
& Sons), vol. 8, no. 3, May-June 1995, pp. 219-224.
64. W.D. Grover, W.A. Krzymień, J.C. Chin,
"Strategies for management of connection-oriented data sessions employing
the idle times in cellular telephony", IEEE
Transactions on Vehicular Technology, vol. 44, no. 2, May 1995, pp.
244-252.
65. M.Y. Cheung, W.D. Grover, W.A. Krzymień,
"Combined framing and error correction coding for the DS3 signal format",
IEEE Transactions on Communications,
vol. 43, no. 2/3/4, Feb./March/April 1995, Part III, pp. 1365-1374.
66. W. Zhuang, W.A. Krzymień, P.A. Goud,
"Trellis-coded CPFSK and soft decision-feedback equalization for
micro-cellular wireless applications", Wireless
Personal Communications - An International Journal (Springer), vol. 1, no. 4, 1994/1995, pp. 271-285.
67. W. Zhuang, W.A. Krzymień, P.A. Goud,
"Adaptive channel precoding for personal communications", Electronics Letters, vol. 30, no. 19, 15 Sept.
1994, pp. 1570 – 1571.
68. R.G. Kusyk, W.A.
Krzymień, T.E. Moore, "Analysis of techniques for the reduction of
jitter caused by SONET pointer adjustments", IEEE Transactions on Communications, vol. 42, no. 2/3/4,
Feb./March/April 1994, Part III, pp. 2036 – 2050.
69. I.J. Fair, W.A. Krzymień, "Analysis
of the self-framing performance of mBnB line
codes", Intl. J. of Digital and
Analog Communication Systems (Wiley), vol. 6, no. 3, July-September 1993,
pp. 127 – 142.
70. K.P. Benterud, W.A.
Krzymień, W.D. Grover, "Quasi-orthogonal subcarrier multiplexing for
high capacity optical data links", Canadian
Journal of Electrical & Computer Engineering, vol. 18, no. 4, 1993, pp.
159 – 169.
71. R. Sharma, W.D. Grover, W.A. Krzymień,
"Forward-error-control (FEC) - assisted adaptive equalization for digital
cellular mobile radio", IEEE Transactions on Vehicular Technology,
vol. 42, no. 1, February 1993, pp. 94-102.
72. W.A. Krzymień, T.D. Bilodeau,
"Performance evaluation study of signal design and equalization options
for high-bit-rate digital subscriber line transceivers", Intl. J. of Digital and Analog Communication
Systems (Wiley), vol. 5, no. 1, 1992, pp. 15-28.
73. T.D. Bilodeau, W.A.
Krzymień, "Simulation study of trellis-coded transceivers for
high-bit-rate digital subscriber loops", IEE Proceedings - Part I: Communications, Speech & Vision, vol.
138, no. 6, December 1991, pp. 503-510 (1991/92 A.H.
Reeves Premium Award).
74. W.D. Grover, W.A. Krzymień, A. Shen,
"Simulation and experimental studies on the concept of a rate-adaptive
digital subscriber loop (RA-DSL)", IEEE
J. on Selected Areas in Communications, vol. 9, no. 6, August 1991, pp.
941-950.
75. I.J. Fair, W.D. Grover, W.A. Krzymień,
R.I. MacDonald, "Guided scrambling:
a new line coding technique for high bit rate fiber optic transmission
systems,” IEEE Transactions on
Communications, vol. 39, no. 2, Feb. 1991, pp. 289-297.
76. W.D. Grover, W.A. Krzymień, "A
proposal to use the justification bits of a DS-3 stream for signalling", IEEE Transactions on Communications,
vol. 38, no. 10, Oct. 1990, pp. 1657-1658.
77. T.E. Moore, R.G. Kusyk,
W.A. Krzymień, "Waiting time jitter results for a reduced complexity
SONET interface circuit", Electronics
Letters, vol. 26, no. 22, 25th Oct. 1990, pp. 1884-1886.
78. R.G. Kusyk, T.E.
Moore, W.A. Krzymień, "Spectral analysis of waiting time jitter in
the presence of stuff threshold modulation", Electronics Letters, vol. 26, no. 8, 14th April 1990, pp. 526-528.
79. J.J. Brown, W.A. Krzymień, "A
modified ISDN network layer protocol suitable for implementation in
hardware", INFOR - The Canadian
Journal on Information Systems and Operational Research, vol. 27, no. 4,
November 1989, pp. 465-473.
80. W.A. Krzymień, "Transmission
performance analysis of a new class of line codes for optical fibre
systems", IEEE Trans. on
Communications, vol. 37, no. 4, April 1989, pp. 402-404.
2. Book chapters.
1. S.
Sigdel, W. A. Krzymień, “Simplified channel-aware greedy scheduling and
antenna selection algorithms for multiuser MIMO systems employing orthogonal
space division multiplexing”, Chapter 2 in Advances in Mobile and Wireless
Communications – Views of the 16th IST Mobile and Wireless Communication Summit.
Heidelberg, Germany: Springer 2008, pp. 23 - 51.
3. Papers in refereed conference proceedings.
1.
M. Mazrouei-Sebdani, W.A. Krzymień, “On MMSE
vector-perturbation precoding for MIMO broadcast channels with
per-antenna-group power constraints”, accepted for
presentation and publication in Proc. 2012 IEEE International Conference on Communications (ICC’12), Ottawa, Canada, June
2012.
2.
S. Sigdel, W.A. Krzymień, M.
Al-Shalash, “Greedy and progressive user scheduling for CoMP wireless
networks”, accepted for presentation and publication in
ibid.
3.
M. Mazrouei-Sebdani, W.A. Krzymień, “Sum rate of p-sphere encoding for MIMO broadcast channels with
reduced peak power”, accepted for presentation and publication in Proc. 75th IEEE Vehicular Technology
Conference (VTC’12-Spring), Yokohama, Japan, May 2012.
4.
S. Kaviani, W.A. Krzymień, “Robust joint precoder and equalizer design in MIMO communication
systems”, in Proc. IEEE 2012 Wireless Communications and
Networking Conference (WCNC’12), Paris, France, April 2012, pp. 277-282.
5.
S. Kaviani, O. Simeone, W.A. Krzymień, S. Shamai,
“Linear MMSE precoding and equalization for network MIMO with partial
cooperation”, in Proc. IEEE GLOBECOM 2011, Houston, USA, Dec.
2011, 6 IEEE-format pages.
6.
G.O. Okeke, Y. Jing, W.A. Krzymień, ” Beamforming in MIMO
broadcast relay networks with multiple antenna users”, in
Proc.
2011 IEEE Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, California, USA, Nov. 2011.
7.
M. Eslami, W.A. Krzymień, M. Al-Shalash, “A
hybrid mode user-location-aware network MIMO with limited feedback for cellular
downlink”, in Proc. 8th International Workshop on
Multi-Carrier Systems & Solutions (MC-SS’11), Herrsching,
Germany, May 2011, 4 IEEE-format pages.
8.
M. Mazrouei-Sebdani, W.A. Krzymień, “Vector
perturbation precoding and user scheduling for network MIMO”, in Proc. 2011 IEEE Wireless Communications and
Networking Conference (WCNC’11), Cancun, Mexico, March 2011, pp. 203-208.
9.
S. Kaviani, W.A. Krzymień, “Multi-cell scheduling in network
MIMO”, in Proc. IEEE GLOBECOM 2010, Miami, Florida, USA, Dec. 2010, 5 IEEE-format
pages.
10.
M. Eslami, W.A. Krzymień, “A limited feedback user location-aware network MIMO coordination
scheme for cellular downlink”, in Proc. 21st IEEE Intl. Symp. on Personal, Indoor & Mobile Radio Comm. (PIMRC’10),
Towards IMT-Advanced & Beyond Workshop, Istanbul, Turkey, Sept. 2010, pp. 413-418.
11.
S. Sigdel and W.A. Krzymień, “User
scheduling for network MIMO systems with successive zero-forcing precoding”, in Proc.
72nd IEEE Vehicular
Technology Conference (VTC’10-Fall), Ottawa, Canada, Sept. 2010, 6 IEEE-format
pages.
12.
S.D. Muruganathan, W.A.
Krzymień, A.B. Sesay, “Null sub-carrier aided reference symbol mapping for
improved channel estimation in 3GPP LTE downlink”, in Proc. 71st IEEE Vehicular Technology
Conference (VTC’10-Spring), Taipei, Taiwan, May 2010, 5 IEEE-format pages.
13.
R.C. Elliott, S. Sigdel,
W.A. Krzymień, M. Al-Shalash, A.C.K. Soong, “Genetic and greedy user scheduling for multiuser MIMO systems with
successive zero-forcing”, in Proc.
5th IEEE Broadband Wireless Access Workshop (co-located with the IEEE GLOBECOM 2009), Honolulu,
USA, Nov-Dec 2009, 6 IEEE-format pages.
14. K.R. Jacobson, W.A.
Krzymień, “Cooperative vs multihop
relaying in cellular systems”, in Proc.20th IEEE Intl. Symposium on Personal, Indoor and
Mobile Radio Communications (PIMRC’09), Tokyo, Japan, Sept. 2009, pp. 1853-1857.
15.
B.
Mielczarek, W.A. Krzymień, “Adaptive CSI prediction in
linear multi-user MIMO systems”, in Proc. 70th IEEE Vehicular Technology Conference
(VTC’09-Fall), Anchorage, USA, Sept. 2009, 5 IEEE-format pages.
16.
S. Sigdel, R.C. Elliott, W.A.
Krzymień, and M. Al-Shalash, “Greedy and genetic
user scheduling algorithms for multiuser MIMO systems with block
diagonalization”, in ibid., 6 IEEE-format pages.
17.
S. Sigdel and W.A. Krzymień, “Simplified user scheduling and mode selection algorithms for
limited CSIT feedback linear precoding for multiuser MIMO systems”, in Proc.
IWCMC’09 (MIMO Systems Symposium),
June 2009, Leipzig, Germany, pp. 1375-1380.
18.
A. Talebi, W.A. Krzymień, “Multiple-antenna
multiple-relay system with precoding for multiuser transmission”, in ibid., pp.
1218-1222.
19.
S. Sigdel and W.A. Krzymień, “Simplified transmit covariance optimization and user ordering
algorithm for successive zero-forcing precoding”, in Proc. 10th
IEEE International Workshop on Signal Processing
Advances in Wireless Communications (SPAWC’09), June 2009, Perugia, Italy,
pp. 235-239.
20.
M. Elkashlan, Z. Chen, I. B.
Collings, W.A. Krzymień, “General order
selection allocation for decentralized multiple access networks”, in Proc. IEEE International Conference on
Communications (ICC’09), Dresden,
Germany, June 2009, 5 IEEE-format pages.
21.
M. Eslami, W.A. Krzymień, “Limited-feedback multiuser MIMO-OFDM downlink
with per-subcarrier / per-antenna user scheduling and linear receivers”, in Proc. 7th International
Workshop on Multi-Carrier Systems & Solutions (MC-SS’09), Herrsching,
Germany, May 2009, pp. 269-278.
22.
S.
Kaviani, W.A. Krzymień, “On the optimality of multiuser zero-forcing
precoding in MIMO broadcast channels”, in Proc. 69th IEEE Vehicular Technology
Conference (VTC’09-Spring), Barcelona, Spain, April 2009, 5 IEEE-format pages.
23.
S. Sigdel, W.A. Krzymień, “Efficient
user selection and ordering algorithms for successive zero-forcing precoding
for multiuser MIMO downlink”, in ibid., 6 IEEE-format pages.
24.
Y. Wang,
R.C. Elliott, W.A. Krzymień, Y. Liu, “Coordinated MIMO transmission for a cellular
downlink”, in Proc. 2009 IEEE Radio and Wireless Symposium (RWS’09), Jan. 2009, San Diego, USA, pp. 626-629.
25. K.R. Jacobson, W.A. Krzymień, “Multi-hop relaying and MIMO techniques in cellular systems - throughput
achievable on Rayleigh/Ricean channels", in Proc. IEEE Globecom’08, Nov/Dec
2008, New Orleans, USA, 5 IEEE-format pages.
26. S. Kaviani, W.A. Krzymień, “User selection for multiple-antenna broadcast
channel with zero-forcing beamforming", in ibid., 5
IEEE-format pages.
27. M. Eslami,
W.A. Krzymień, “Downlink
limited feedback transmission schemes for asymmetric MIMO channels”, in Proc.
68th IEEE Semiannual Vehicular Technology
Conference (VTC’08-Fall), Calgary,
Canada, Sept. 2008, 5 IEEE-format pages.
28. R.C.
Elliott, W.A. Krzymień, “On the
convergence of genetic scheduling algorithms for downlink transmission in
multi-user MIMO systems”, in Proc. 11th International Symposium on Wireless
Personal Multimedia Communications (WPMC 2008), Lapland,
Finland, Sept. 2008, 6 IEEE-format pages.
29. M. Eslami,
W.A. Krzymień, “Efficient
transmission technique for MIMO-OFDM broadcast channels with limited feedback”,
in Proc. 10th IEEE International
Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2008), Bologna, Italy, August 2008, 237-241.
30. A. Talebi,
W.A. Krzymień, “Optimized
power allocation for multiple-antenna multiple-relay cooperative communication
system”, in ibid., pp.
222-226.
31. S. Plass, R. Raulefs, …, W.A. Krzymień, Li Ping, “Wireless Hybrid Enhanced
Mobile Radio Estimators – WHERE”, in Proc.
ICT Mobile Summit 2008, June 2008, Stockholm, Sweden, 7 pages.
32. Z. Chen,
S. Bates, W.A. Krzymień, “High throughput
parallel decoder design for LDPC convolutional codes”, in Proc. IEEE Intl. Conf. on Circuits &
Systems for Communications (ICCSC’08), Shanghai, China, May 2008,
35-39.
33. M. Eslami, W.A. Krzymień, “Scheduling for MIMO
broadcast channels with linear receivers and partial channel state information”,
in Proc. 67th IEEE Semiannual
Vehicular Technology Conference (VTC’08-Spring), Singapore,
May 2008, pp. 2467-2471.
34. B. Mielczarek, W.A. Krzymień, “Vector quantized CSI
prediction in linear multi-user MIMO systems”, in ibid., pp. 852-857.
35. A. Talebi, W.A. Krzymień, “Multiple-antenna
multiple-relay cooperative communication system with beamforming”, in ibid., pp. 2350-2354.
36. B.C. Lim, W.A.
Krzymień, C.
Schlegel, “Simultaneous feedback reduction and sum rate maximization in block diagonalized space-division multiplexing”, in ibid., pp.
2685-2689.
37. S. Kaviani, W.A. Krzymień, “Sum rate maximization
of MIMO broadcast channels with coordination of base stations”, in Proc.
2008 IEEE Wireless Communications and Networking Conference (WCNC’08), Las Vegas,
USA, March/April 2008, pp. 1079-1084 (WCNC’08 Best Paper Award).
38. M. Elkashlan, I.B. Collings, W.A. Krzymień, “Decentralized dynamic channel allocation in correlated Nakagami fading channels: an order statistics analysis”, in
Proc. 2008 Australian Comm. Theory Workshop, Christchurch, New Zealand,
30 Jan – 1 Feb 2008, pp. 125-129.
39. B. Mielczarek, W.A. Krzymień, “CSI quantization in
MIMO systems with temporally correlated channels”, in Proc. 10th
Intl. Symp. on Wireless
Multimedia Personal Communications (WPMC’07), 3-6 December 2007, Jaipur,
India, pp. 228-232.
40. K.R. Jacobson, W.A. Krzymień, “Multi-hop relaying and multiple antenna
techniques – Performance trade-offs in cellular systems”, ibid.,
pp. 913-917.
41. S.
Kaviani, C. Tellambura, W.A. Krzymień, “On the performance of
transmit antenna selection using OSTBCs in Ricean
MIMO channels”, in Proc. 2007
Tyrrhenian International Workshop on Digital Wireless Communications, Ischia,
Italy, September 2007, pp. 39-50.
42. S. Sigdel, W.A. Krzymień, “Fair Scheduling and Antenna Selection Algorithms for
Multiuser MIMO Orthogonal Space Division Multiplexing Downlink”, in Proc.
2007 IST Mobile and Wireless Communications Summit, Budapest, Hungary, July
2007, 7 IEEE-format pages.
43. Y. Fu, W.A.
Krzymień, C. Tellambura, “Precoding for multiuser orthogonal space-time
block-coded OFDM: Mean or covariance feedback?”, in Proc.
IEEE International Conference on Communications (ICC’07), Glasgow, UK, June
2007.
44.
R.C. Elliott, W.A. Krzymień, “Downlink scheduling for multiple antenna multi-carrier
systems with dirty paper coding via genetic algorithms”, in Proc. 6th International Workshop on Multi-Carrier Spread
Spectrum (MC-SS’07), Herrsching,
Germany, May 2007, pp. 47-56.
45.
R.C. Elliott, W.A. Krzymień, “Downlink scheduling
for multiple antenna systems with dirty paper coding via genetic algorithms”, in Proc.
IEEE Semiannual Vehicular Technology Conference
(VTC’07-Spring), Dublin, Ireland, April 2007, pp.
2339-2343.
46.
B.
Mielczarek, W.A. Krzymień, “Influence of CSI
feedback errors on capacity of linear multi-user MIMO systems”, in ibid., pp. 2043-2047.
47.
B.
Mielczarek, W.A. Krzymień, “Influence of CSI feedback delay on capacity
of linear multi-user MIMO systems”, in Proc. 2007 IEEE Wireless
Communications and Networking Conference (WCNC’07), Hong Kong, March 2007,
pp. 1189-1193.
48.
Y.
Fu, C. Tellambura, W.A. Krzymień, “Precoding for multiuser
orthogonal space-time block-coded OFDM downlink over spatially-correlated
channels”, in ibid., pp. 1308-1313.
49.
C. Bai, W.A. Krzymień, I.J. Fair, “Hybrid-ARQ
for layered space time MIMO systems with channel state information only at the
receiver”, in ibid., pp. 547-552.
50.
S. Sigdel, W.A.
Krzymień, “Simplified antenna selection and user
scheduling for orthogonal space-division multiplexing”, in ibid.,
pp. 1730-1735.
51.
C. Bai, B.
Mielczarek, I.J. Fair, W.A. Krzymień, “Turbo coded type-II hybrid ARQ scheme with
incremental redundancy using sub-block recovery”, in Proc. IEEE Globecom’06,
Nov/Dec 2006, San Francisco, USA.
52. M. Eslami, W.A. Krzymień, “Turbo coded MC-CDM
communications with spatial multiplexing”, in ibid.
53. B.C. Lim, C. Schlegel, W.A. Krzymień, “Sum rate maximization
and transmit power minimization for multi-user orthogonal space division
multiplexing”, in ibid.
54.
J. Liu, W.A. Krzymień, “A novel nonlinear
joint transmitter-receiver processing algorithm for the downlink of multi-user
MIMO systems”, in ibid.
55.
Y.
Fu, W.A. Krzymień, C. Tellambura, “Non-linear precoding for OFDM systems in
spatially-correlated doubly-selective MIMO channels”, in ibid.
56. Y. Fu, C.
Tellambura, W.A. Krzymień, “Adaptive precoding for
switching between spatial multiplexing and diversity in MIMO OFDM with transmit
antenna and path correlations”, in ibid.
57.
B.C. Lim, W.A. Krzymień, C. Schlegel, “User selection
methods for multi-user downlinks with multiple-antenna terminals”, in Proc.
IEEE ICCS’06, Singapore, Oct/Nov 2006.
58.
B.C. Lim, W.A. Krzymień, C. Schlegel, “Transmit antenna
selection for sum rate maximization in transmit zero-forcing beamforming”, in ibid.
59.
C. Bai, I.J. Fair, W.A.
Krzymień, “SR-ARQ
for MIMO OFDM systems with channel state information only at the receiver”, in Proc.
IEEE Semiannual Vehicular Technology Conference
(VTC’06-Fall), Montreal, Canada, Sept. 2006.
60.
M. Eslami,
W.A. Krzymień, “An
efficient detector for spatially multiplexed MC-CDM communications”, ibid.
61.
Y. Fu, W.A.
Krzymień, C.
Tellambura, “Transmitter precoding for orthogonal
space-time block coded OFDM in transmit-antenna and path-correlated channels”, ibid.
62. K.R. Jacobson, W.A. Krzymień, “Cell dimensioning and network
throughput in cellular multi-hop relay networks”, ibid.
63.
S. Sigdel, W.A.
Krzymień, “Interference suppression through adaptive
subset antenna transmission in interference limited MIMO wireless
environments”, ibid.
64.
K.R.
Jacobson, W.A. Krzymień, “Realistic throughput of cellular multi-hop
relay networks with spatial reuse”, in Proc. Intl. Symp.
on Wireless Personal Multimedia Communications
(WPMC’06), San Diego, USA, Sept. 2006, pp. 966-970.
65.
B.C. Lim, W.A. Krzymień, C. Schlegel, “Impact of receive antenna
selection on scheduling for orthogonal space division multiplexing”, ibid., pp. 840-844.
66.
J. Liu, W.A. Krzymień, "Minimum bit-error rate design of the
zero-forcing criterion based Tomlinson-Harashima
precoding for the multi-user MIMO downlink", ibid., pp. 721-725.
67.
B.
Mielczarek, W.A. Krzymień, "Comparison of partial CSI encoding
methods in multi-user MIMO systems", ibid.,
pp. 680-685.
68.
S. Sigdel, W.A.
Krzymień, "Antenna and user subset selection in
downlink multiuser orthogonal space-division multiplexing", ibid., pp. 671-675.
69.
B.
Mielczarek, W.A. Krzymień, “Vector quantization
of channel information in linear multi-user MIMO systems”, in Proc.
IEEE Intl. Symp.
on Spread Spectrum Techniques & Applications
(ISSSTA’06), Manaus, Brazil,
August 2006, pp. 302-306.
70.
B.C. Lim,
C. Schlegel, W.A. Krzymień, “Efficient receive antenna selection
algorithms and framework for transmit zero-forcing beamforming”, in Proc.
IEEE Semiannual Vehicular Technology Conference
(VTC’06-Spring), Melbourne, Australia, May 2006,
pp. 2241-2245.
71.
J. Liu, W.A. Krzymień, “A minimum mean-square error criterion based
nonlinear joint transmitter-receiver processing algorithm for the downlink of
multi-user MIMO systems”, ibid., pp. 1982-1987.
72.
C. Bai, B.
Mielczarek, I.J. Fair, W.A. Krzymień, “Improved analysis of list decoding and its
application to convolutional codes”, in Proc. IEEE Globecom’05, St.
Louis, USA, Nov/Dec 2005, pp. 369 - 373.
73. Y. Fu, C.
Tellambura, W.A. Krzymień, “Non-linear limited-feedback precoding for ICI reduction in closed-loop
multiple-antenna OFDM systems”, in ibid.,
pp. 3087 – 3091.
74. C. Bai, B. Mielczarek, I.J. Fair, W.A. Krzymień, “Sub-block
recovery scheme for iterative decoding of turbo codes”, in Proc. IEEE
VTC’05-Fall, Dallas, USA, Sept. 2005, pp. 1970 - 1974.
75. S. Sigdel, W.A. Krzymień, “Performance of cellular MIMO spatial multiplexing
downlink systems with transmit antenna selection”, in Proc. Intl. Symp.
on Wireless Personal Multimedia Communications
(WPMC’05), Aalborg, Denmark, September 2005, pp.
624-628.
76. R.C. Elliott, A. Archipov,
R. Raulefs, W.A. Krzymień, “Effective SINR mapping
for an MC-CDMA system”, in Proc.5th Intl. Workshop on
Multi-Carrier Spread-Spectrum (MC-SS 2005), Oberpfaffenhofen, Germany, Sept. 2005, pp. 361-370. Published as K. Fazel, S. Kaiser (Eds.), Multi-Carrier Spread-Spectrum. Dordrecht, The Netherlands: Springer, 2006.
77. B. Mielczarek, W.A. Krzymień, “Throughput of heterogeneous multi-cell multi-user MIMO-OFDM systems”, in ibid., pp. 127-136.
78. J. Liu, W.A. Krzymień, “A null
space constraint based block Tomlinson-Harashima
precoding technique for the multi-user MIMO downlink”, in Proc. 2005 IEEE
Pacific Rim Conference on Communications, Computers & Signal Processing
(PACRIM’05), Victoria, Canada, August 2005, pp. 61-64.
79. B.C. Lim, C. Schlegel, W.A. Krzymień,
“Antenna selection and power allocation for transmit channel-inversion beamforming under poor
channel conditions”, in Proc. 17th Intl. Conf. on Wireless Comm. (Wireless’05), Calgary, AB,
Canada, July 2005, pp. 202-217.
80. K.R. Jacobson, W.A. Krzymień, “Minimizing co-channel
interference in wireless relay networks”, in ibid.,
pp. 339-346.
81. S. Sigdel, W.A. Krzymień, “Performance of MIMO spatial multiplexing systems
with transmit antenna selection on frequency selective fading channels”, in ibid., pp. 29-38.
82. D.J. Mazzarese, W.A. Krzymień, “Design rules for
efficient scheduling of packet data on multiple antenna downlink”, in Proc. 2005
IST Mobile and Wireless Communications Summit, Dresden, Germany,
June 2005.
83. Yu Fu, W.A. Krzymień, C. Tellambura, “Multiuser and intercarrier interference suppression in OFDM downlink”, in Proc. 2005 IEEE Intl. Workshop on Convergent
Technologies (IWCT’05), Oulu, Finland, June 2005, 5 IEEE format pages
(CD-ROM).
84. B. Mielczarek, W.A. Krzymień, “Soft parallel
decoding of per-antenna-coded MIMO systems”, in Proc.
2005 IEEE Intl. Conf. on Communications (ICC’05), Seoul, Korea, May
2005, pp. 2256 - 2260.
85. G. Doná, W.A. Krzymień, “MMSE channel estimation using two-dimensional
filtering in rapid time-variant environments”, in Proc. 2005 IEEE Vehicular Technology Conf. (VTC’05-Spring), May 2005, Stockholm, Sweden, pp. 490-494.
86. J. Liu, W.A. Krzymień, “A novel nonlinear precoding algorithm for the downlink
of multiple antenna multi-user systems”, in ibid., pp.
887-891.
87. B. Mielczarek, W.A. Krzymień, “Flexible channel feedback quantization in multiple
antenna systems”, in ibid., pp. 620-624.
88. C. Bai, W.A. Krzymień, I.J. Fair, B. Mielczarek,
“Analysis of a sub-block recovery scheme for decoding a concatenated
error control code”, in ibid., pp. 719-723.
89. Y. Fu, W.A. Krzymień, C.
Tellambura, “Transmitter precoding
for ICI reduction in OFDM systems”, in ibid.,
pp. 1788-1792.
90. J. Liu, W.A. Krzymień, “Improved Tomlinson-Harashima precoding for the downlink of multiple antenna
multi-user systems”, in Proc. IEEE WCNC’05, New Orleans, USA, March
2005, pp. 466-472.
91. R. Novak, W.A. Krzymień, “Diversity combining options for
spread spectrum OFDM systems in frequency selective channels”, in ibid.,
pp. 308-314.
92. E. Haas, W.A. Krzymień, “Coherent
OFDM receiver with two-dimensional decision-feedback pilot and data symbol
correction”, in Proc. 9th Intl. OFDM Workshop, Dresden, Germany, Sept. 2004, 5 IEEE format
pages.
93. E. Haas, B. Mielczarek, W.A. Krzymień, “Comparison of channel estimation methods for turbo
coded OFDM systems”, in Proc. IEEE WPMC’04, Abano Terme, Italy, Sept. 2004, pp. 392-396.
94. C. Bai, B. Mielczarek, W.A. Krzymień, I.J. Fair, “Efficient
list decoding for parallel concatenated convolutional codes”, in Proc. IEEE
Intl. Symp. Personal, Indoor and Mobile Radio
Communications (PIMRC’04), Barcelona, Spain, Sept. 2004, pp. 2586-2590.
95. B. Mielczarek, W.A. Krzymień, “Throughput
of realistic multi-user MIMO-OFDM systems”, in Proc. IEEE Intl. Symp. on Spread Spectrum
Techniques & Applications, Sydney, Australia, Sept. 2004, pp. 434-438.
96. E. Haas, W.A. Krzymień, “Improved
MC-CDMA reception employing two-dimensional decision-feedback pilot and data
symbol correction”, in ibid,
pp. 613-617.
97. B. Mielczarek, W.A. Krzymień, “Throughput
of heterogeneous multi-user MIMO-OFDM systems”, in Proc. 16th Intl. Conf.
on Wireless Comm. (Wireless’04),
Calgary, AB, Canada, July 2004, pp. 215-224.
98. J. Liu, W.A. Krzymień, “Signal detection and
pre-processing algorithms in layered space-time multiple input multiple output
antenna systems”, ibid., pp. 9-21.
99.
R. Hang,
C. Schlegel, W.A. Krzymień, P. Goud Jr., “A robust timing recovery algorithm for spread-spectrum
packet radio systems”, ibid., pp. 446-463.
100. S.
Sigdel, W.A. Krzymień, “Performance of
interference limited MIMO downlink systems with transmit antenna selection”, ibid., pp. 22-34.
101. Y. Fu, C.
Tellambura, W.A. Krzymień, “Intercarrier interference reduction
for OFDM with transmit diversity”, ibid., pp. 88-96.
102. D.J. Mazzarese, W.A. Krzymień, “Space-time linear
processing and scheduling for the cellular downlink”, in Proc. IST Mobile and Wireless Communications Summit, Lyon, France, June
2004, pp. 85-90.
103. G.G. Messier, W.A. Krzymień, “A new MAP
channel decoder trellis path metric for a CDMA mobile subject to channel
estimation errors”, in Proc. 2004 IEEE
Intl. Conf. on Communications
(ICC’04), Paris, France, June 2004, pp.
2879-2883.
104. B. Mielczarek, W.A. Krzymień, “Convergence focused
construction of hybrid ARQ systems with turbo codes”, ibid., pp. 351-355.
105. D.J. Mazzarese, W.A. Krzymień, “Linear space-time
transmitter and receiver processing and scheduling for the MIMO broadcast
channel”, in Proc. 2004 IEEE Vehicular Technology Conf. (VTC’04-Spring),
May 2004, Milan, Italy, pp. 752-756.
106. G. Li, W.A. Krzymień, I.J.
Fair, “Quasi-regular LDPC codes for space-time wireless transmission”, in Proc. 2004 IEEE Wireless Communications and Networking Conference, Atlanta, USA, March 2004, pp. 2416-2421.
107. R. Novak,
W.A. Krzymień, “Packet re-transmission options for the SS-OFDM-F/TA system”, in Proc. 4th Intl. Workshop on
Multi-Carrier Spread-Spectrum (MC-SS 2003), Oberpfaffenhofen, Germany, Sept. 2003, pp. 89-100. Published as K. Fazel,
S. Kaiser (Eds.), Multi-Carrier
Spread-Spectrum. Dordrecht, The Netherlands: Kluwer, 2004.
108. D. J. Mazzarese, W.A. Krzymień,
“Throughput maximization and optimal number of active users on the two transmit
antenna downlink of a cellular system”, in Proc. 2003 IEEE Pacific Rim Conference on Communications, Computers and
Signal Processing (PACRIM’03), Victoria,
BC, Canada, August 2003, pp. 498-501.
109. Ge Li,
W.A. Krzymień, I.J. Fair,
“LDPC coded systems with D-BLAST structure”, ibid., pp. 510-513.
110. P. Goud Jr., C. Schlegel, W.A. Krzymień,
R. Hang, et al., “Indoor MIMO channel measurements using dual polarized
patch antennas”, ibid., pp. 752-755.
111. G.G. Messier, W.A. Krzymień, “Implementing
channel codes with the CDMA forward link chip-level LMMSE receiver”, in the Proc. 15th Intl. Conf. on Wireless Comm.
(Wireless’03), Calgary, AB, Canada, July 2003, pp. 411-417.
112. P. Goud Jr., C. Schlegel, R. Hang, W.A.
Krzymień, et al., “MIMO channel measurements for an indoor office environment”,
in ibid.,
pp. 423-427.
113. Ge Li, I.J. Fair, W.A. Krzymień, “Analysis of non-binary LDPC codes using Gaussian
approximation”, in the Proc. 2003 IEEE
Intl. Symp. on Information
Theory, Yokohama, Japan, June-July 2003, p. 234 (one-page summary published).
114. G.G. Messier, W.A. Krzymień, “Estimation of in-cell
and out-of-cell interference levels for improved CDMA forward link error
correction”, in the Proc. 2003 IEEE
Intl. Conference on Communications (ICC2003), Anchorage, Alaska, USA, May 2003, pp. 368-372.
115. K.W. Ang, W.A. Krzymień, “Performance
of the multi-stage variable group hybrid interference cancellation scheme with
timing and phase errors”, in the Proc. 2003 IEEE Semi-Annual Vehicular
Technology Conference (VTC’03-Spring), Jeju, Korea, April 2003,
pp. 1905-1909.
116. D.
Mazzarese, W.A. Krzymień, “High
throughput downlink cellular packet data access with multiple antennas and
multiuser diversity”, ibid, pp. 1079-1083.
117. G.G. Messier, W.A. Krzymień, “A coloured
Gaussian model for CDMA forward link in-cell interference”, ibid, pp. 2052-2056.
118. R. Novak,
W.A. Krzymień, “SS-OFDM-F/TA system packet size and
structure for high mobility cellular environments”, ibid, pp. 1438-1444.
119. G.G. Messier, W.A. Krzymień, “Improved forward link
error correction for CDMA systems with space time transmit diversity”, in the Proc.
IEEE Globecom’02, Taipei, Taiwan,
November 2002, pp. 992-996.
120. R. Novak, W.A. Krzymień, “An adaptive
spread spectrum OFDM packet data system with two dimensional radio resource
allocation: Performance in low-mobility environments”, in the Proc. IEEE WPMC’02, Honolulu, Hawaii, USA, October 2002, pp.
163-167.
121. R.C. Elliott, W.A. Krzymień, “Scheduling
algorithms for the cdma2000 packet data evolution”, in the Proc. 2002 IEEE Semi-Annual Vehicular Technology Conference
(VTC2002-Fall), Sept. 2002,
Vancouver, BC, Canada, pp. 304-310.
122. G.G. Messier, W.A. Krzymień, “Improving
convolutional and turbo code performance on the CDMA forward link”, in the Proc. IEEE Intl. Symp.
on Spread Spectrum Techniques & Applications, Prague,
Czech Rep., Sept. 2002, pp. 29-33.
123. R. Tanner, W.A. Krzymień, “A comparison of fading channel state prediction techniques”,
in the Proc. 14th Intl. Conf. on Wireless
Comm. (Wireless’02), Calgary, AB,
Canada, July 2002, pp. 312-317.
124. Ge Li, I.J. Fair,
W.A. Krzymień, “Low density parity
check codes for space-time wireless transmission”, ibid., pp. 76-82.
125. G.G. Messier, W.A. Krzymień, “Improving
convolutional code performance on the CDMA forward link”, in the Proc.
Virginia Tech. Symp. on
Wireless Personal Comm.,
Blacksburg, Virginia, USA, June 2002, pp. 163-167.
126. C. H. Rentel, W. A.
Krzymień, B. Darian, V. Vanghi, R. Elliott,
"Comparative forward link traffic channel performance evaluation of HDR
and 1XREME systems", in the Proc.
2002 IEEE Semi-Annual Vehicular Technology Conference (VTC2002-Spring), Birmingham,
Alabama, USA, May 2002, pp. 160-164.
127. M. Yavuz, D. Paranchych, G. Wu, Ge Li, W.A. Krzymień,
“Performance improvement of the HDR system due to hybrid ARQ”, in the Proc. IEEE 2001 Semi-Annual Vehicular
Technology Conference (VTC2001-Fall), Atlantic City, NJ, USA, October 2001, pp. 2192-2196.
128. R. Novak, W.A. Krzymień, “A downlink OFDM-F/TDMA packet data system
employing multi-user diversity”, in the Proc. 3rd Intl. Workshop on Multi-Carrier Spread-Spectrum
& Related Topics (MC-SS 2001),Oberpfaffenhofen,
Germany, Sept. 2001, pp. 181-190. Published as K. Fazel, S. Kaiser (Eds.), Multi-Carrier Spread-Spectrum & Related Topics. Dordrecht, The
Netherlands: Kluwer, 2002.
129. G.G. Messier, J.S. Nielsen, W.A. Krzymień,
“CDMA forward link performance evaluation using propagation measurements”, in
the Proc. 2001 Intl. Conference on
Communications (ICC2001), Helsinki,
Finland, June 2001, pp. 2995-2999.
130. G.G. Messier, W.A. Krzymień, J.S. Nielsen,
“Impact of propagation environment and transmit diversity on CDMA forward link
performance”, in the Record Intl. Workshop on Wireless Communications &
Networking: 3G and Beyond, Istanbul, Turkey, May 2001, 23 pages.
131. G.G. Messier, W.A. Krzymień, “An indoor
IS-2000 transmit diversity evaluation using propagation measurements”, in the Proc.2001 Semi-Annual Vehicular Technology
Conference (VTC2001-Spring), Rhodes,
Greece, May 2001, pp. 423-427.
132. K.W. Ang, W.A.
Krzymień, “Effects of different configurations of RAKE receivers on the
performance of an interference cancellation scheme in frequency selective
channels”, in the Proc. 7th
IEEE Singapore Intl. Conf. on Communication Systems, Singapore, November
2000, paper # 953939293, 6 IEEE formatted pages.
133. L.F. Choy, I.J. Fair, W.A. Krzymień,
“Complexity-performance trade-offs in turbo codes for IMT-2000”, in the Proc. 2000 IEEE Vehicular Technology Conference (VTC2000-Fall), Boston,
USA, September 2000, pp. 2568-2575.
134. M. Jamil, W.A.
Krzymień, D. van Wyk, “Performance analysis of
constant envelope quadriphase sequences for CDMA”, in
the Proc. IEEE Sixth Intl. Symposium on
Spread Spectrum Techniques & Applications (ISSSTA2000), Parsippany, NJ,
USA, September 2000, pp. 212-215.
135. R. Novak, W. Krzymień, “Cellular
performance of a multi-service OFDM-CDMA system with spatially-dependent rate
assignment and power control”, in the Proc.
2000 Intl. Conf. on Wireless
Communications (Wireless2000), Calgary, Canada, July 2000, pp. 448-459.
136. L.F. Choy, W.A. Krzymień, I.J. Fair,
“Turbo coding options for IMT-2000”, ibid., pp.
327-345.
137. S. Sun, W. Krzymień & B. Darian,
"A new efficient contentionless protocol for
packet data transmission in CDMA systems", in the Proc. 2000 IEEE Vehicular Technology Conference (VTC2000-Spring), Tokyo,
Japan, May 2000, pp.36-40.
138. S. Kaiser, W.A. Krzymień, “An asynchronous
spread spectrum multi-carrier multiple access system”, in the Proc.1999 Global Telecommunication
Conference (Globecom’99), Rio de Janeiro, Brazil, December 1999, pp.
314-319.
139. S. Kaiser, W.A. Krzymień, “Performance tradeoffs in asynchronous spread spectrum multi-carrier
multiple access”, in Proc. 2nd
Intl. Workshop on Multi-Carrier Spread-Spectrum
& Related Topics (MC-SS’99), Oberpfaffenhofen, Germany, Sept.
1999, pp. 35-42. Published as K. Fazel, S. Kaiser (Eds.), Multi-Carrier Spread-Spectrum & Related Topics. Dordrecht, The
Netherlands: Kluwer, 2000.
140. K.W. Ang, W.A.
Krzymień, “A method of limiting the processing delay of the variable group
hybrid interference cancellation scheme for CDMA systems”, Proceedings of the 1999 IEEE
Vehicular Technology Conference (VTC’99-Fall), Amsterdam,
The Netherlands, September 1999, pp. 1648-1652.
141. S. Kaiser, W.A. Krzymień, “Asynchronous
spread spectrum multi-carrier multiple access system with pilot symbol aided
channel estimation”, ibid.,
pp. 2701-2705.
142. R. Krenz, W.A. Krzymień, “Algorithms for
forward link power allocation for packet data transmission in wideband CDMA”, ibid., pp. 2101-2105.
143. K.W. Ang, W.A.
Krzymień, “An improved multi-stage variable group hybrid multi-user
interference cancellation scheme for CDMA systems”, Proc. of the 1999 IEEE Intl. Symp. on Personal, Indoor and
Mobile Radio Communications (PIMRC’99), Osaka, Japan, Sept. 1999, paper
B3-3, 6 IEEE formatted pages.
145. K.W. Ang, W.A.
Krzymień, “A novel variable group hybrid interference cancellation scheme
for CDMA systems”, Proceedings of the
1999 IEEE Intl. Conference on Telecommunications (ICT’99), Cheju, Korea,
June 1999, paper 3A1, 6 IEEE formatted pages.
146. R. Krenz, W.A. Krzymień, “Forward link
power allocation in multiservice DS-CDMA wireless systems”, Proceedings of the 3rd European
Personal Mobile Communications Conference (EPMCC’99), Paris, France, March
1999, pp. 381-386.
147. S. Sun, W. Krzymień, R. Krenz, A. Jalali, “Reliable hybrid ARQ data transmission with optimal
signal-to-interference ratio assignment in CDMA PCS”, Proceedings of the 1998 IEEE Intl. Conf. on Universal Personal
Communications (ICUPC’98), 5-9 October 1998, Florence, Italy, pp. 599-604.
148. S. Sun, W.A. Krzymień, A. Jalali, “Optimal forward link power allocation for data
transmission in CDMA systems”, Proceedings
of the 9-th IEEE Intl. Symposium on Personal, Indoor and Mobile Communications
(PIMRC’98), 8-11 September 1998, Boston, USA, pp. 848-852.
149. L. Tomba, W.A.
Krzymień, “Comparison of encoding/detection techniques for the reverse
link of an MC-CDMA multiple access scheme”, Proceedings
of the Fifth IEEE Intl. Symposium on Spread Spectrum Techniques & Applications
(ISSSTA’98), 2-4 September 1998, Sun City, South Africa, pp. 195-199.
150. R. Hang, W.A. Krzymień, C.L. Despins,
“Performance of an improved MAC protocol for reverse link short packet data
transmission in UMTS”, Proceedings of the
1998 Intl. Conf. on Wireless Communications (Wireless’97), 6-8 July 1998,
Calgary, Canada, pp. 379-397.
151. R. Krenz, W.A. Krzymień, A. Jalali, “Forward link design issues in multiservice CDMA
wireless systems”, ibid., pp. 128-137.
152. R. Hang, W.A. Krzymień, C.L. Despins, “A
MAC Protocol for Efficient Uplink Data Transmission of Short Packets in
Wideband DS-CDMA”, Proceedings of the
1998 ACTS Mobile Communication Summit, 8-11 June 1998, Rhodes, Greece, pp.
19-24.
153. L. Tomba, W.A.
Krzymień, “A model for the analysis of timing jitter in OFDM systems”, Proceedings of the 1998 IEEE Intl. Conf. on
Communications (ICC’98), 7-11 June 1998, Atlanta, USA, pp. 1227-1231.
154. L. Tomba, W.A.
Krzymień, “On the use of chip-level differential encoding for the uplink
of MC-CDMA systems”, Proceedings of the
1998 IEEE Vehicular Technology Conference (VTC’98), 18-21 May 1998, Ottawa,
Canada, pp. 218-223.
155. S. Sun, W.A. Krzymień, “Call admission
policies for data users and capacity analysis of a multi-service CDMA personal
communication system with different transmission schemes”, ibid., pp. 958-962.
156. S. Sun, W.A. Krzymień, A. Jalali, Q. Shen, "Performance comparison of two medium
access control schemes for packet data traffic in DS-CDMA personal
communication systems”, Proceedings of
the 1997 IEEE Global Communications Conf. (Globecom’97)/ Communication Theory
Mini Conf., 3-8 November 1997, Phoenix, USA, pp. 185-189.
157. A.C.K. Soong, W.A. Krzymień, "Effect
of antenna diversity on performance reference symbol assisted interference
cancellation in CDMA wireless systems", Proceedings of the 1997 IEEE Intl. Conf. on Universal Personal
Communications (ICUPC’97), 12-16 October 1997, San Diego, USA, pp. 202-207.
158. S. Sun, W.A. Krzymień, "Matched
filter based synchronizer design for rapid
synchronization of packet data transmissions in DS-CDMA personal communications systems", Proceedings of the 1997 IEEE Pacific Rim
Conference on Communications, Computers and Signal Processing (PacRim’97),
20-22 August 1997, Victoria, Canada, pp. 5-8.
159. T. Renneberg, W.A.
Krzymień, “A wavelet based multi-rate modulation scheme for optimization
of a broadcast meteor-scatter communication channel”, Proceedings of the 1997 Intl. Conf. on Wireless Communications
(Wireless’97), 9 - 11 July 1997, Calgary, Canada, pp. 188-205.
160. W.K.K. Kong, W.A. Krzymień, “Performance
of two adaptive antenna array algorithms for the IS-95 reverse link”, ibid., pp.
480-488.
161. D. Liu, C.L. Despins, W.A. Krzymien,
"Efficient and accurate DS-CDMA deterministic signature sequence
performance evaluation over wireless fading channels", Proceedings of the 1997 IEEE Intl. Conf. on
Communications (ICC’97), 8-12 June 1997, Montreal, Canada, pp. 339-343.
162. F. Fekri, W.A.
Krzymień, A. Sesay, "Envelope correlation of wide-band signals in
Rayleigh fading and its implication for frequency diversity”, Proceedings of the 1997 IEEE Vehicular
Technology Conf. (VTC'97), 4-7 May 1997, Phoenix, USA, pp. 72 – 76.
163. A.C.K. Soong, W.A. Krzymień,
"Performance of a reference symbol assisted multi-stage successive interference
cancelling receiver with quadriphase spreading",
ibid., pp. 460 - 464.
164. L. Tomba, W.A.
Krzymień, "An OFDM/SFH-CDMA transmission scheme for the uplink,"
invited presentation at the First
International Workshop on
Multi-Carrier Spread-Spectrum, 24-25 April 1997,
Oberpfaffenhofen, Germany. Published in K. Fazel,
S. Kaiser (Eds.), Multi-Carrier
Spread-Spectrum. Dordrecht, The Netherlands: Kluwer, 1997, pp. 203-210.
165. L. Tomba, W.A.
Krzymień, "Reverse link performance of a coded OFDM/SFH-CDMA
transmission scheme", Proceedings of
the First IEEE Workshop on Signal Processing Advances in Wireless
Communications (SPAWC'97), 16-18
April 1997, Paris, France, pp. 241 – 244.
166. Q. Shen, W.A. Krzymień, “Power assignment
in CDMA personal communication systems with integrated voice/data traffic”, Proceedings of the 1996 IEEE Global
Telecommunications Conference (Globecom'96) / Communication Theory
Mini-Conference, 18-22 November 1996, London, England, pp. 168-172.
167. L. Tomba, W.A.
Krzymień, "Performance enhancement of multicarrier CDMA systems
impaired by timing jitter", Proceedings
of the 1996 IEEE Intl. Symp. on Spread Spectrum
Techniques & Applications (ISSSTA'96), 22-25 September 1996, Mainz, Germany, pp. 136-140.
168. Q. Shen, W.A. Krzymień, "The effect
of fading on the Erlang capacity of the IS-95 CDMA cellular system", Proceedings of the 1996 IEEE Intl. Conference on Communications (ICC'96),
Dallas, USA, 23-27 June 1996, pp. 1829-1833.
169. L. Tomba, W.A.
Krzymień, "Effect of carrier phase noise and frequency offset on the
performance of multicarrier CDMA systems", ibid., pp. 1513-1517.
170. L. Tomba, W.A.
Krzymień, "On the effect of chip synchronization error in MC-CDMA
systems", presented at the 1996
Workshop on Multiaccess, Mobility and Teletraffic for Personal Communications
(MMT’96), Paris, France, 20-22 May 1996, and published in Multiaccess, Mobility and Teletraffic for
Personal Communications, B. Jabbari, P. Godlewski, X.
Lagrange (Editors), Kluwer Academic
Publishers, Boston 1996, pp. 43-56.
171. Q. Shen, W.A. Krzymień, "Performance
improvement of closed-loop power control in CDMA cellular mobile communication
systems", Proceedings of the 1996
IEEE Vehicular Technology Conference (VTC’96), Atlanta,
USA, 28 April - 1 May 1996, pp. 56-60.
172. A.C.K. Soong, W.A. Krzymien, "Robustness
of the reference symbol assisted multistage successive interference cancelling
receiver with imperfect parameter estimates", ibid., pp. 676-680.
173. A.C.K. Soong, W.A. Krzymień,
"Performance of a reference symbol assisted multistage successive
interference cancelling receiver in a multi-cell CDMA wireless system", Proceedings of the 1995 IEEE Global
Telecommunications Conference (Globecom'95) / Communication Theory
Mini-Conference, 13-16 November 1995, Singapore, pp. 152-156.
174. A.C.K. Soong, W.A. Krzymień,
"Performance issues in successive interference cancellation with reference
symbol assisted channel estimation", Proceedings
of the 1995 IEEE Intl. Conf. on Universal Personal Communications (ICUPC'95),
6-10 November 1995, Tokyo, Japan, pp.
158-162.
175. B. Yeh, W.A. Krzymień,
P.A. Goud, "Diversity combining and decision-feedback equalization for
indoor wireless systems using constant envelope modulation", Proc. of the 7th Intl. Conf. on Wireless Communications (Wireless'95), Calgary, Alberta,
July 1995, pp. 209-218.8.
176. A.C.K. Soong, W.A. Krzymień, "CDMA
multi-user interference cancellation with reference-symbol aided estimation of
channel parameters", Proc. of the
1995 IEEE Pacific Rim Conference on Communications, Computers & Signal
Processing (PacRim’95), Victoria, BC, May 1995, pp. 429-432.
177. G.J. Erker, D.E. Dodds, W.A. Krzymień, “Digital loop extension using
mid-span amplification”, Proc. of the
1995 IEEE Intl. Symposium on Circuits & Systems, Seattle, USA, 29 April
– 3 May 1995, pp. 1452-1455.
178. W.A. Krzymień, A. Jalali,
P. Mermelstein, "An improved acquisition algorithm for the synchronization
of CDMA personal wireless systems", Proc.
of the 5th IEEE Intl. Symposium on Personal, Indoor and Mobile Radio
Communications (PIMRC'94), The Hague, The Netherlands, 18-22 September
1994, pp. 444-448.
179. W. Zhuang, W.A. Krzymień, P.A. Goud,
"Adaptive channel precoding for slowly fading channels", ibid., pp. 660-664.
180. W.A. Krzymień, A. Jalali,
P. Mermelstein, "A rapid initial synchronization algorithm for CDMA
microcellular systems", Proc. of the
6th International Conference on Wireless
Communications (Wireless'94), Calgary,
Alberta, 11-13 July 1994, pp. 587-596.
181. W. Zhuang, P.A. Goud, W.A. Krzymień,
"Adaptive soft decision feedback equalization for indoor radio
communications using trellis-coded CPFSK", Proc. of the 44th IEEE Vehicular Technology Conference (VTC’94), Stockholm, Sweden,
8-10 June 1994, pp. 1364-1368.
182. W. Zhuang, W.A. Krzymień, P.A. Goud,
"Trellis-coded CPFSK for micro-cellular wireless applications", Proc.
of the 5th Intl. Conf. on Wireless Communications (Wireless'93), Calgary,
Alberta, Canada, July 1993, pp. 681-688.
183. W.D. Grover, W.A. Krzymień, J.C. Chin,
"Background data service for cellular mobile radio", Proc. of the 43rd IEEE Vehicular Technology
Conf. (VTC’93), Secaucus, N.J., U.S.A., May 1993, pp. 766-769.
184. R.S. Tse, W.A.
Krzymień, "Spread spectrum multiple access with orthogonal
convolutional codes for indoor digital radio", Proc. of the 1992 Canadian Conf. on Electrical and Computer Engineering
(CCE&CE’92), Toronto, Canada,
September 1992, pp. TM2.16.1-4.
185. D.E. Dodds, G.J. Erker, W.A. Krzymień, "ISDN loop extension using
negative impedance amplifier", ibid., pp. WM10.8.1-4.
186. T.E. Moore, W.A. Krzymień, "A
simulation study of DS3 waiting time jitter accumulation in SONET", Proc. of the 1991 IEEE Global
Telecommunications Conference (Globecom'91), Phoenix, U.S.A., December
1991, pp. 1855 – 1859.
187. R. Sharma, W.D. Grover, W.A. Krzymień,
"FEC-assisted adaptive equalization in digital mobile radio", Proc. of the 1991 Canadian Conf. on
Electrical and Computer Engineering (CCE&CE’91), Quebec City, Canada,
September 1991, pp. 58.3.1 – 4.
188. T.E. Moore, W.A. Krzymień, "A waiting
time jitter model", ibid.,
pp. 50.4.1 – 4.
189. M.Y. Cheung, W.D. Grover, W.A. Krzymień,
"Combined framing and FEC coding for digital multiplex signals", Proc. of the 1991 IEEE Pacific Rim
Conference on Communications, Computers and Signal Processing (PacRim’91),
Victoria, Canada, May 1991, pp. 205 – 210.
190. D.E. Dodds, W.A.
Krzymień, T.D. Bilodeau, "Improved hybrid
balance for U-interface ISDN basic access," Proc. of the 1990 Canadian Conference on Electrical and Computer
Engineering, Ottawa, Canada, September 1990, pp. 71.1.1 – 4.
191. R.G. Kusyk, W.A.
Krzymień, T.E. Moore, "Evaluation of pointer spreading techniques in
SONET-based networks," ibid., pp. 71.2.1 – 4.
192. K.P. Benterud, W.D.
Grover, W.A. Krzymień, "A novel application of lightwave
subcarrier multiplexing to an ultra-high bit rate short distance data transfer
problem," Proc. of the 15th Biennial
Symposium on Communications, Kingston, Canada, June 1990, pp. 256 – 259.
193. W.D. Grover, W.A. Krzymień, T. Fong, A.
Shen, "Turbo-Loop: A rate- adaptive digital subscriber loop technology for
advanced ISDN access applications", Proc.
of the 1989 IEEE Global Telecommunications Conference (Globecom'89), Dallas,
USA, November 1989, pp. 1945-1951.
194. T.D. Bilodeau, W.A.
Krzymień, "A simulation study of trellis-coded transceivers for the
digital subscriber loop", Proc. of
the 1989 Can. Conf. on Electrical & Computer Engineering, Montreal,
Canada, September 1989, pp. 568-571.
195. T.E. Moore, J.J. Brown, W.A. Krzymień,
"Jitter analysis for DS-3 to SONET interface circuit with reduced
complexity", Proc. of the 1989
Pacific Rim Conference on Communications, Computers & Signal Processing, Victoria,
Canada, June 1989, pp. 435-438.
196. A. Shen, W.D. Grover, W.A. Krzymień,
"A simulation study of the potential digital transmission capability of
subscriber loops with a rate-adaptive transmission method", ibid., pp. 36-39.
3. Patents and
patent applications.
1.
M. Eslami, R.C. Elliott, W.A. Krzymień, M. Al-Shalash, “System and method for user
clustering and network MIMO scheduling in a wireless communication network”, US Patent Application No. 61/604,406 (filed 28
February 2012, assigned to Huawei Technologies).
2.
B.
Mielczarek, W.A. Krzymień, “Quantized
channel state information prediction in multiple antenna systems”, US Patent No. 8,009,778 B2 (granted 30 August 2011; assigned to TRTechnologies).
3.
B.
Mielczarek, W.A. Krzymień, “Adaptive hybrid ARQ systems with BCJR
decoding”, US
Patent No. 7,747,922-B2 (granted
June 2010; assigned to TRLabs).
4.
B.
Mielczarek, W.A. Krzymień, “Mitigation
of transmission errors of quantized channel state information feedback in multi
antenna systems”, International
Patent Application No. PCT/CA2009/000464 (filed 21 April 2009; assigned to TRTechnologies).
5.
B.
Mielczarek, W.A. Krzymień, “Mitigation
of transmission errors of quantized channel state information feedback in multi
antenna systems”, US
Patent Application No. 12/107047 (filed 21 April 2009; assigned to TRTechnologies).
6.
B.
Mielczarek, W.A. Krzymień, “Quantized
channel state information prediction in multiple antenna systems”, International Patent
Application No. PCT/CA2008/001569 (filed 5 September 2008; assigned to TRTechnologies).
7.
R.C.
Elliott, W.A. Krzymień, “Scheduling of wireless packet data transmissions”, US Patent No. 7,295,513 B2 (granted 13 November 2007, assigned
to TRLabs).
8.
B.
Mielczarek, W.A. Krzymień, “Multi-tiered
quantization of channel state information in multiple antenna systems”, US Patent Application
No. 11/852,240 (filed 7 September 2007; assigned to TRTechnologies).
9.
B.
Mielczarek, W.A. Krzymień, “Quantization of
channel state information in multiple antenna systems”, US Patent Application No. 11/754,965 (filed 29 May 2007; assigned to TRLabs).
11. Q. Shen, W.A. Krzymień, “Closed-loop power
control scheme for wireless communication systems”, US Patent No. 6 529 709
(granted 4 March 2003; assigned to TRLabs).
12. W.A. Krzymień, S. Sun, “Spread spectrum
time-division multiple access communication scheme”, US Patent No. 6 493 334 (granted
10 Dec 2002; assigned to TRLabs).
13. A. Jalali, W.A. Krzymień, P. Mermelstein, “A medium access control scheme for data transmission on code division multiple access wireless systems”, US Patent No. 5,828,662 (granted 27 October 1998; assigned to Nortel).
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