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Adaptive resource allocation techniques in OFDMA using cross-layer architecture

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Journal of Electronics (China)

Abstract

This paper utilizes the cross-layer architecture to implement adaptive resource allocation in Orthogonal Frequency Division Multiple Access (OFDMA) based on the broadband wireless access system. According to the cross-layer architecture, the information in link layer is used for adaptive resource allocation in OFMDA. A new cross-layer adaptive resource allocation algorithm is developed which can guarantee the users to be in minimum average waiting time in link-layer and get the better spectrum utilization. Numerical results show that our scheme is appealing and can get about half of average waiting time less and 0.5 bps/Hz spectrum utilization more than the scheme in IEEE802.16a.

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Author information

Authors and Affiliations

  1. Dept of Electronic and Information Eng., South China University of Tech., 510640, Guangzhou, China

    Yang Xiang & Wei Gang

Authors
  1. Yang Xiang
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  2. Wei Gang
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Additional information

Supported by the National Natural Science Foundation of China (No.60072048) and the Doctoral Program Fund of Ministry of Education of China (No.20010561007).

Communication author: Yang Xiang, born in 1977, male, Ph.D. student. Department of Electronic and Information Engineering, South China University of Technology, Guangzhou 510640, China.

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Yang, X., Wei, G. Adaptive resource allocation techniques in OFDMA using cross-layer architecture. J. of Electron.(China) 22, 586–593 (2005). https://doi.org/10.1007/BF02687838

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  • DOI: https://doi.org/10.1007/BF02687838

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