Improved channel-dependent user selection for an SC-FDMA system
SCIE
SCOPUS
- Title
- Improved channel-dependent user selection for an SC-FDMA system
- Authors
- Yong-Sang Cho; Dongsik Kim; Tae-Kyoung Kim; Im, GH
- Date Issued
- 2012-10
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Abstract
- In this letter, we consider user scheduling for single-carrier frequency division multiple access with iterative multiuser detection. To achieve high spectral efficiency, a scheduler should allocate a common set of subcarriers to as many users as possible, while guaranteeing the quality-of-service (QoS) of each user. To address this problem, we first investigate optimal user selection via an exhaustive search method. Based on this investigation, we then propose a pattern-aware user scheduling algorithm for the optimal user selection. Simulation results show that the proposed algorithm provides higher spectral efficiency than conventional algorithms and achieves the performance of optimal user selection with much reduced computational complexity.
- Keywords
- SC-FDMA; iterative multiuser detection; QoS; user selection; ITERATIVE MULTIUSER DETECTION
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/14970
- DOI
- 10.1109/LCOMM.2012.081612.121001
- ISSN
- 1089-7798
- Article Type
- Article
- Citation
- IEEE COMMUNICATIONS LETTERS, vol. 16, no. 10, page. 1608 - 1611, 2012-10
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