Multiuser Switched Scheduling Systems with Per-User Threshold and Post-User Selection

被引:4
|
作者
Nam, Haewoon [1 ]
Alouini, Mohamed-Slim [2 ]
机构
[1] Motorola Inc, Mobile Devices Technol Off, Austin, TX USA
[2] King Abdullah Univ Sci & Technol, Elect Engn Program, Thuwal, Mekkah Province, Saudi Arabia
关键词
Multiuser scheduling; switched multiuser access; per-user threshold and feedback threshold; PERFORMANCE ANALYSIS; DIVERSITY;
D O I
10.1109/ISIT.2010.5513467
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
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.
引用
收藏
页码:2173 / 2177
页数:5
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