nhiễu từ những người sử dụng có thể được giảm bằng cách sử dụng kỹ thuật ăng-ten thông minh.
- Chi phí của các cải tiến hiệu suất thu được thông qua các kỹ thuật MIMO là chi phí gia tăng của việc triển khai nhiều ăng-ten, sự yêu cầu công suất không gian và mạch của các ăng ten bổ sung (đặc biệt là các đơn vị cầm tay nhỏ). Sự yêu cầu phức tạp thêm cho việc xử lý tín hiệu đa đường.
TÀI LIỆU THAM KHẢO
[1] J. Winters, “On the capacity of radio communication systems with diversity in a Rayleigh fading environment,”IEEE J. Sel. Areas Commun.,pp. 871–8, June 1987.
[2] G. J. Foschini, “Layered space-time architecture for wireless communication in fading environments when using multi-element antennas,”Bell System Tech. J.,pp. 41–59, Autumn 1996.
[3] G. J. Foschini and M. Gans, “On limits of wireless communications in a fading environment when using multiple antennas,”Wireless Pers. Commun.,pp. 311–35, March 1998.
[4] E.Telatar, “Capacity of multi-antenna Gaussian channels,”AT&T Bell Labs InternalTech. Memo, June 1995.
[5] E. Telatar, “Capacity of multi-antenna Gaussian channels,”Euro. Trans. Telecommun.,pp. 585–96, November 1999.
[6] A. Paulraj, R. Nabar, and D. Gore,Introduction to Space-Time Wireless Communications,Cambridge University Press, 2003.
[7] L. H. Brandenburg and A. D. Wyner, “Capacity of the Gaussian channel with memory: The multivariate case,”Bell System Tech. J.,pp. 745–78, May/June 1974.
[8] J. Salz and A. D. Wyner, “On data transmission over cross coupled multi-input, multi-output linear channels with applications to mobile radio,” AT&T Bell Labs Internal Tech. Memo, 1990.
[9] B. Tsybakov, “The capacity of a memoryless Gaussian vector channel,”Prob. Inform. Trans., 1(1), pp. 18–29, 1965.
[10] J. L. Holsinger, “Digital communication over fixed time-continuous channels with memory, with special application to telephone channels,” MIT Res. Lab Elec. Tech. Rep. 430, 1964.
[11] H. Shin and J. H. Lee, “Capacity of multiple-antenna fading channels: Spatial fading correlation, double scattering, and keyhole,”IEEE Trans. Inform. Theory,pp. 2636– 47, October 2003.
[12] A. M.Tulino and S.Verdú, “Random matrix theory and wireless communications,”Found. Trends Commun. Inform. Theory,1(1), pp. 1–182,2004.
[13] V. L. Girko, “A refinement of the central limit theorem for random determinants,”Theory Probab. Appl.,42(1), pp. 121–9, 1998.
[14] A. Grant, “Rayleigh fading multiple-antenna channels,”J. Appl. Signal Proc.,Special Issue on Space-Time Coding (Part I), pp. 316–29, March 2002.
[15] P. J. Smith and M. Shafi, “On a Gaussian approximation to the capacity of wireless MIMO systems,”Proc. IEEE Internat. Conf. Commun.,pp. 406–10, April 2002.
[16] S. Verdú and S. Shamai (Shitz), “Spectral efficiency of CDMA with random spreading,”IEEE Trans. Inform. Theory,pp. 622–40, March 1999.
[17] Z.Wang and G. B. Giannakis, “Outage mutual information of space-time MIMO channels,”Proc. Allerton Conf. Commun., Control, Comput.,pp. 885–94, October 2002.
[18] C.-N. Chuah, D. N. C. Tse, J. M. Kahn, and R. A. Valenzuela, “Capacity scaling in MIMO wireless systems under correlated fading,”IEEE Trans. Inform. Theory, pp. 637– 50, March 2002.
[19] A. Lozano, A. M. Tulino, and S. Verdú, “Multiple-antenna capacity in the low- power regime,” IEEE Trans. Inform. Theory,pp. 2527–44, October 2003.
[20] A. L. Moustakas, S. H. Simon, and A. M. Sengupta, “MIMO capacity through correlated channels in the presence of correlated interferers and noise: A (not so) largeNanalysis,”IEEE Trans. Inform. Theory,pp. 2545–61, October 2003.
[21] S. A. Jafar and A. J. Goldsmith, “Transmitter optimization and optimality of beamforming for multiple antenna systems,”IEEE Trans. Wireless Commun.,pp. 1165–75, July 2004.
[22] A. Narula, M. Lopez, M. Trott, and G. Wornell, “Efficient use of side information in multipleantenna data transmission over fading channels,”IEEE J. Sel. Areas Commun., pp. 1423–36, October 1998.
[23] E. Visotsky and U. Madhow, “Space-time transmit precoding with imperfect feedback,”Proc. IEEE Internat. Sympos. Inform. Theory,pp. 357–66, June 2000.
[24] E. Jorswieck and H. Boche, “Channel capacity and capacity-range of beamforming in MIMO wireless systems under correlated fading with covariance feedback,”IEEE Trans. Wireless Commun.,pp. 1543–53, September 2004.
[25] B. Hochwald and V. Tarokh, “Multiple-antenna channel hardening and its implications for rate feedback and scheduling,”IEEE Trans. Inform. Theory,pp. 1893–1909, September 2004.
[26] A. J. Goldsmith, S. A. Jafar, N. Jindal, and S. Vishwanath, “Capacity limits of MIMO channels,” IEEE J. Sel. Areas Commun.,pp. 684–701, June 2003.
[27] T. Marzetta and B. Hochwald, “Capacity of a mobile multiple-antenna communication link in Rayleigh flat fading,”IEEE Trans. Inform. Theory,pp. 139–57, January 1999.
[28] S. A. Jafar and A. J. Goldsmith, “Multiple-antenna capacity in correlated Rayleigh fading with channel covariance information,”IEEE Trans. Wireless Commun.,pp. 990–7, May 2005.
[29] L. Zheng and D. N. Tse, “Communication on the Grassmann manifold: A geometric approach to the non-coherent multi-antenna channel,”IEEE Trans. Inform. Theory,pp. 359–83, February 2002.
[30] R. Etkin and D. Tse, “Degrees of freedom in underspread MIMO fading channels,”Proc. IEEE Internat. Sympos. Inform. Theory,p. 323, July 2003.
[31] A. Lapidoth and S. Moser, “On the fading number of multi-antenna systems over flat fading channels with memory and incomplete side information,”Proc. IEEE Internat. Sympos. Inform. Theory,p. 478, July 2002.
[32] T. Koch and A. Lapidoth, “The fading number and degrees of freedom in non- coherent MIMO fading channels: A peace pipe,”Proc. IEEE Internat. Sympos. Inform. Theory,September 2005.
[33] G. B. Giannakis,Y. Hua, P. Stoica, and L.Tong,Signal Processing Advances in Wireless and Mobile Communications: Trends in Single- and Multi-user Systems,Prentice- Hall, New York, 2001.
[34] A. Molisch, M. Win, and J. H. Winters, “Reduced-complexity transmit/receive- diversity systems,”IEEE Trans. Signal Proc.,pp. 2729–38, November 2003.
[35] H. Gamal, G. Caire, and M. Damon, “Lattice coding and decoding achieve the optimal diversitymultiplexing trade-off of MIMO channels,”IEEE Trans. Inform. Theory,pp. 968–85, June 2004.
[36] V.Tarokh, N. Seshadri, and A. Calderbank, “Space-time codes for high data rate wireless communication: Performance criterion and code construction,”IEEE Trans. Inform.Theory,pp. 744–65,
March 1998.
[37] H. Yao and G. Wornell, “Structured space-time block codes with optimal diversity-multiplexing tradeoff and minimum delay,”Proc. IEEE Globecom Conf.,pp. 1941– 5, December 2003.
[38] L. Zheng and D. N. Tse, “Diversity and multiplexing: A fundamental trade-off in multiple antenna channels,”IEEE Trans. Inform. Theory,pp. 1073–96, May 2003.
[39] M. O. Damen, H. El Gamal, and N. C. Beaulieu, “Linear threaded algebraic space-time constellations,”IEEE Trans. Inform. Theory,pp. 2372–88, October 2003.
[40] H. El Gamal and M. O. Damen, “Universal space-time coding,”IEEE Trans. Inform. Theory, pp. 1097–1119, May 2003.
[41] R. W. Heath, Jr., and A. J. Paulraj, “Switching between multiplexing and diversity based on constellation distance,”Proc. Allerton Conf. Commun., Control, Comput.,pp. 212–21, October 2000.
[42] R. W. Heath, Jr., and D. J. Love, “Multi-mode antenna selection for spatial multiplexing with linear receivers,”IEEE Trans. Signal Proc.(to appear).
[43] V. Jungnickel, T. Haustein, V. Pohl, and C. Von Helmolt, “Link adaptation in a multi-antenna system,”Proc. IEEE Veh. Tech. Conf.,pp. 862–6, April 2003.
[44] J.-C. Guey, M. P. Fitz, M. Bell, and W.-Y. Kuo, “Signal design for transmitter diversity wireless communication systems over Rayleigh fading channels,”IEEE Trans. Commun., pp. 527–37, April 1999.
[45] V. Tarokh, A. Naguib, N. Seshadri, and A. Calderbank, “Space-time codes for high data rate wireless communication: Performance criteria in the presence of channel estimation errors, mobility, and multiple paths,”IEEE Trans. Commun.,pp. 199–207, February 1999.
[46] S. Baro, G. Bauch, and A. Hansman, “Improved codes for space-time trellis coded modulation,” IEEE Commun. Lett.,pp. 20–2, January 2000.
[47] J. Grimm, M. Fitz, and J. Korgmeier, “Further results in space-time coding for Rayleigh fading,” Proc. Allerton Conf. Commun., Control, Comput.,pp. 391–400, September 1998.
[48] H. Gamal and A. Hammons, “On the design of algebraic space-time codes for MIMO blockfading channels,”IEEE Trans. Inform. Theory,pp. 151– 63,January 2003.
[49] A. Naguib, N. Seshadri, and A. Calderbank, “Increasing data rate over wireless channels,”IEEE Signal Proc. Mag.,pp. 76–92, May 2000.
[50] V.Tarokh, H. Jafarkhani, and A. Calderbank, “Space-time block codes from orthogonal designs,” IEEE Trans. Inform. Theory,pp. 1456–67, July 1999.
[51] V. Gulati and K. R. Narayanan, “Concatenated codes for fading channels based on recursive space-time trellis codes,”IEEE Trans. Wireless Commun.,pp. 118–28, January 2003.
[52] Y. Liu, M. P. Fitz, and O. Y. Takeshita, “Full-rate space-time codes,”IEEE J. Sel. Areas Commun.,pp. 969–80, May 2001.
[53] K. R. Narayanan, “Turbo decoding of concatenated space-time codes,” Proc. Allerton Conf. Commun., Control, Comput.,pp. 217–26, September 1999.
[54] B. Hochwald and T. Marzetta, “Unitary space-time modulation for multiple- antenna communications in Rayleigh flat fading,”IEEE Trans. Inform. Theory,pp. 543–64, March 2000.
[55] D. Gesbert, M. Shafi, D.-S. Shiu, P. Smith, and A. Naguib, “From theory to practice: An overview of MIMO space-time coded wireless systems,”IEEE J. Sel. Areas Commun.,pp. 281–302, April 2003.
[56] E. G. Larsson and P. Stoica,Space-Time Block Coding for Wireless Communications,Cambridge University Press, 2003.
[57] P. Wolniansky, G. Foschini, G. Golden, and R. Valenzuela, “V-blast: An architecture for realizing very high data rates over the rich-scattering wireless channel,”Proc. URSI Internat. Sympos. Signal Syst. Elec.,pp. 295–300, October 1998.
[58] G. Foschini, G. Golden, R.Valenzuela, and P. Wolniansky, “Simplified processing for high spectral efficiency wireless communication employing multi-element arrays,” IEEE J. Sel. Areas Commun.,pp. 1841–52, November 1999.
[59] G. Bauch and A. Naguib, “Map equalization of space-time coded signals over frequency selective channels,”Proc. IEEE Wireless Commun. Network Conf.,pp. 261–5, September 1999.
[60] C. Fragouli, N. Al-Dhahir, and S. Diggavi, “Pre-filtered space-time M-BCJR equalizer for frequency selective channels,”IEEE Trans. Commun.,pp. 742–53, May 2002.
[61] A. Naguib, “Equalization of transmit diversity space-time coded signals,”Proc. IEEE Globecom Conf.,pp. 1077–82, December 2000.
[62] J. Winters, “Smart antennas for wireless systems,”IEEE Pers. Commun. Mag.,pp. 23–7, February 1998.