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QoS-guaranteed cross-layer resource allocation algorithm for multiclass services in downlink LTE system

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6 Author(s)
Qing Ai ; Broadband Wireless Communication and Multimedia Laboratory, Tongji University, Shanghai, China ; Ping Wang ; Fuqiang Liu ; Yujin Wang
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In this paper, a QoS-guaranteed cross-layer resource allocation algorithm for multiclass services in downlink LTE system is proposed, which takes EXP rule, channel quality variance, real-time services and non-real-time services and minimum transmission rate into account. The key features of the proposed algorithm are that all the users and resource blocks will be allocated step by step respectively. Numerical results demonstrate that the proposed algorithm effectively guarantees the user QoS requirement for multiclass services. At the same time, it mainly maintains the throughput and fairness performances in a high level.

Published in:

Wireless Communications and Signal Processing (WCSP), 2010 International Conference on

Date of Conference:

21-23 Oct. 2010