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Conference Paper Asymptotic Throughput Analysis on Opportunistic Cophasing System with Single-Beam Transmission
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Authors
Minghua Xia, Jeounglak Ha, Hyun Kyu Chung, Yuanping Zhou
Issue Date
2007-09
Citation
International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM) 2007, pp.1138-1141
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/WICOM.2007.291
Abstract
Different from the opportunistic beamforming system (OBS) that randomizes both amplitude and phase of its beamforming vector, the opportunistic cophasing system (OCS) randomizes the phase only, which significantly reduces the demands on the dynamic range of power amplifiers. Focusing on the multi-user case of the OCS system, we give an asymptotic analysis on the system throughput under Rayleigh fading channels, based on the theory of extreme order statistics. Numerical and simulation results are presented to compare the OCS with the OBS system in throughput. © 2007 IEEE.