Multiuser Detection via Compressive Sensing
- Authors
- Shim, Byonghyo; Song, Byungkwen
- Issue Date
- 7월-2012
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Compressive sensing; sparsity; orthogonal matching pursuit; multiuser detection
- Citation
- IEEE COMMUNICATIONS LETTERS, v.16, no.7, pp.972 - 974
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE COMMUNICATIONS LETTERS
- Volume
- 16
- Number
- 7
- Start Page
- 972
- End Page
- 974
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/108084
- DOI
- 10.1109/LCOMM.2012.050112.111980
- ISSN
- 1089-7798
- Abstract
- In this paper, we consider a multiuser detection technique when the signal sparsity is changing over time. The key ingredient of our method is a clever switching between the CS reconstruction algorithm and classical detection depending on the sparsity level of the signals being detected. Since none of these approaches is uniformly better in a situation where the sparsity level is varying, proposed switching algorithm can effectively combine the merits of both. We show that the proposed switching algorithm provides substantial performance gain over individual algorithms in the multiuser detection of CDMA downlink.
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Collections - College of Informatics > Department of Computer Science and Engineering > 1. Journal Articles
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