By Gerhard Bauch, Katsutoshi Kusume (auth.), Frigyes István, János Bitó, Péter Bakki (eds.)
This quantity provides the main fascinating result of the cellular and instant communique Summit, held 2007 in Budapest. It comprises labored out contributions from all parts of instant communications, actual layer, entry equipment, concepts and applied sciences, networks, functions and systems.
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Additional info for Advances in Mobile and Wireless Communications: Views of the 16th IST Mobile and Wireless Communication Summit
Krzymień achieve a fairly large portion of DPC capacity when the base station has multiple antennas and each user has a single antenna [3,4]. In this Chapter, we consider orthogonal linear precoding techniques to achieve orthogonal space division multiplexing (OSDM) in the downlink of multiuser MIMO systems, in which both base station as well as mobile stations employ multiple antennas. The orthogonal precoding allows transmission to the mobile users to be multiuser interference free. OSDM for multiuser MIMO systems has been proposed by several researchers [5,6].
6 presents some concluding remarks and possible directions of further work. 26 S. A. 2 System Model We consider the downlink of a multiuser MIMO system with transmit antennas and , receive antennas at kth mobile user as shown in Fig. 1, where is the number of multiple antenna users. Fig. 1 Block diagram of the proposed multiuser MIMO system Let , denote the downlink channel matrix of the kth user. 5 is preprocessed at the per dimension. The data vector of user k, transmitter with an beamforming matrix to produce the .
Shin, “Design of irregular concatenated zigzag codes,” in International Symposium on Information Theory (ISIT), pp. 1363–1366, IEEE, September 2005. 5. L. Ping, S. Chan, and K. Yeung, “Iterative decoding of multi-dimensional concatenated single parity check codes,” in International Conference on Communications (ICC), pp. 131–135, IEEE, June 1998. 20 G. Bauch and K. Kusume 6. X. Wu, Y. Xue, and H. Xiang, “On concatenated zigzag codes and their decoding schemes,” IEEE Communications Letters, vol.