Transmit Antenna and User Selection for Multiuser Spatial Multiplexing with Maximum Likelihood Receiver
- Authors
- Lee, Jong-Ho; Park, Daeyoung
- Issue Date
- May-2013
- Publisher
- SPRINGER
- Keywords
- Maximum likelihood (ML); Multiple-input-multiple-output (MIMO); Spatial multiplexing; Multiuser transmission; User selection; Antenna selection
- Citation
- WIRELESS PERSONAL COMMUNICATIONS, v.70, no.2, pp.903 - 914
- Journal Title
- WIRELESS PERSONAL COMMUNICATIONS
- Volume
- 70
- Number
- 2
- Start Page
- 903
- End Page
- 914
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/14570
- DOI
- 10.1007/s11277-012-0728-x
- ISSN
- 0929-6212
- Abstract
- In this paper, we consider a transmit antenna and user selection for maximum-likelihood (ML) detector in multiuser spatial multiplexing systems. The conventional algorithm that maximizes the minimum stream SNR is not optimal in terms of the error probability, because it is tailored for linear detectors. We propose a simple transmit antenna and user selection scheme for the ML detector based on maximizing the minimum distance. Numerical results show that the proposed scheme provides enhanced performance compared with the conventional algorithms in terms of the error probability of ML receiver.
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