Robert E. Collin's Antennas and Radiowave Propagation (Mcgraw Hill Series in PDF

By Robert E. Collin

ISBN-10: 0070118086

ISBN-13: 9780070118089

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1013–1017, June 1998. [16] R. Dinis, D. Falconer, C. T. Lam, and M. Sabbaghian, “A multiple access scheme for the uplink of broadband wireless systems,” Proceedings of IEEE GLOBECOM 2004, vol. 6, pp. 3808–3812, Nov. 2004. [17] H. Ekstrom, A. Furusk, J. Karlsson, M. Meyer, S. Parkvall, J. Torsner, and M. Wahlqvist, “Technical solutions for the 3G long-term evolution,” IEEE Commun. , vol. 42, pp. 38–45, Mar. 2003. [18] Y. Ofuj, K. Higuch, and M. Sawahashi, “Frequency domain channel-dependent scheduling employing an adaptive transmission bandwidth for pilot channel in uplink singlecarrier-FDMA radio access,” Proceedings of IEEE VTC 2006–Spring, vol.

Here we also plot the lower bound of the ergodic capacity for 4 × 4 MIMO channels. It is seen that this lower bound is tight when the SNR is greater than 25 dB. Further, for asymmetric antenna configurations, for a given M and in the high-SNR region, there exists a fixed SNR loss when the transmitting antenna number is larger than the receiving antenna number. 2 Channel Capacity for Slow-Fading Channels Suppose that we want to communicate at the rate of R bits/s/Hz using a MIMO system. , trace{R x } = P.

The received noises are zero mean, independent of each other, and have equal variance N0 . It is also assumed that the transmitted signal is independent of the noises. The optimal strategy to combine the received signals is called maximum ratio combining (MRC), the output of which is given by N h i∗ xi (n). 37) i=1 It can be easily shown that the output SNR in y(n) is SNRMRC = Es N0 N |h i |2 . 38) i=1 If |h i |, i = 1, . . , N , follows the Rayleigh distribution, then SNRMRC follows a χ 2 distribution with 2N degrees of freedom, which means that MRC achieves a full diversity order of N.

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Antennas and Radiowave Propagation (Mcgraw Hill Series in Electrical and Computer Engineering) by Robert E. Collin


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