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An Efficient Signal Detection Method for Uplink Multiuser Systems Based on Collaborative Spatial Multiplexing
- Authors
- Im, Tae Ho; Kong, Mi Kyung; Yu, Sungwook; Cho, Yong Soo
- Issue Date
- Apr-2011
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- uplink multiuser systems; MIMO; OSIC; QRD-M; CSM
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E94B, no.4, pp 1102 - 1105
- Pages
- 4
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E94B
- Number
- 4
- Start Page
- 1102
- End Page
- 1105
- ISSN
- 0916-8516
1745-1345
- Abstract
- In this letter, we propose an efficient signal detection method for uplink multiuser systems based on collaborative spatial multiplexing (CSM). The proposed method achieves near-optimal performance and shows only 0.8 dB loss at the target frame error rate (FER) of 10(-2). Moreover, the error performance of each user is almost the same in the proposed method, which is an important property in a multiuser MIMO system where each user's error performance must satisfy some fixed error rate criteria.
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