Multiuser switched scheduling systems with per-user threshold and post-user selection
- Authors
- Nam, Haewoon; Alouini, Mohamed-Slim
- Issue Date
- Jun-2010
- Publisher
- IEEE
- Keywords
- Multiuser scheduling; Per-user threshold and feedback threshold; Switched multiuser access
- Citation
- IEEE International Symposium on Information Theory - Proceedings, pp.2173 - 2177
- Indexed
- SCOPUS
- Journal Title
- IEEE International Symposium on Information Theory - Proceedings
- Start Page
- 2173
- End Page
- 2177
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40393
- DOI
- 10.1109/ISIT.2010.5513467
- ISSN
- 2157-8103
- Abstract
- A multiuser switched diversity scheduling scheme with per-user feedback threshold is proposed in this paper. Unlike the conventional multiuser switched diversity scheduling scheme where a single threshold is used by all the users in order to determine whether to transmit a feedback, the proposed scheme deploys per-user threshold, where each user uses a potentially different threshold than other users thresholds. This paper first provides a generic analytical framework for the optimal feedback thresholds in a closed form. Then we investigates the impact of user sequence strategies and post selection strategies on the performance of the multiuser switched scheduling scheme with per-user threshold. Numerical and simulation results show that the proposed scheme provides a higher system capacity compared to the conventional scheme. © 2010 IEEE.
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