Performance Improvement of Per-User Threshold Based Multiuser Switched Scheduling System

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概要

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• This letter proposes a multiuser switched scheduling scheme with per-user threshold and post user selection and provides a generic analytical framework for determining the optimal feedback thresholds. The proposed scheme applies an individual feedback threshold for each user rather than a single common threshold for all users to achieve some capacity gain due to the flexibility of threshold selection as well as a lower scheduling outage probability. In addition, since scheduling outage may occur with a non-negligible probability, the proposed scheme employs post user selection in order to further improve the ergodic capacity, where the user with the highest potential for a higher channel quality than other users is selected. Numerical and simulation results show that the capacity gain by post user selection is significant when random sequence is used.

著者

• NAM Haewoon

  Department of Electronics and Communication Engineering, Hanyang University

• ALOUINI Mohamed-Slim

  Electrical Engineering, King Abdullah University of Science and Technology

関連論文

• Performance Improvement of Per-User Threshold Based Multiuser Switched Scheduling System

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