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Performance Analysis for MIMO Multi-user system employing selection of transmit antennas, constellations and powers allocation  

Yoo Hyun (Graduate School of Information Technology & Telecommunication, Inha University)
Kim JinSu (Graduate School of Information Technology & Telecommunication, Inha University)
Hwang HyeonChyeol (Graduate School, Inho University)
Kim BaekHyun (Korea Railload Research Institute)
Lee HyungKi (Information & Communication department, JaNeung College)
Kwak KyungSup (Graduate School of Information Technology & Telecommunication, Inha University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.42, no.9, 2005 , pp. 41-48 More about this Journal
Abstract
In this paper, we suggest the scheme combining long-term feedback and short-term feedback in MIMO multi-user system and analyze its system performance. At the beginning of communication, long-term feedback is fed back to transmitter such as the number of active antennas, constellations, and transmission powers which are determined to satisfy the given target symbol error and target data rate for each user. After this, short-term feedback of active antenna index is fed back periodically Simulation results show the proposed scheme outperforms better than long-term feedback or short-term feedback information scheme.
Keywords
V-BLAST;
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Times Cited By KSCI : 1  (Citation Analysis)
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