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Low Complexity Scheduling Algorithms for Downlink Multiuser MIMO System Jinfan ZHANG Yunzhou LI Shidong ZHOU Jing WANG Publication IEICE TRANSACTIONS on Communications Vol.E90-B No.2 pp.358-363 Publication Date: 2007/02/01 Online ISSN: 1745-1345 DOI: 10.1093/ietcom/e90-b.2.358 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: downlink, multiuser MIMO, TDMA, user scheduling, Full Text: PDF(155.1KB)>>
Summary: Downlink multiuser MIMO system has attracted considerable attention recently for its potential to increase the system capacity. However, due to the limitation on the number of transmit antennas, when there are more users than can be supported simultaneously in a cell, other multiple access schemes, such as TDMA, must be applied in combination with multiuser MIMO. In this paper, we aim to design practical user scheduling algorithms to maximize the system capacity. Because the brute-force search for optimal user allocation is computationally prohibitive, we propose three low complexity suboptimal scheduling algorithms that offer both low complexity and high performance. | |||||
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