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Subchannel Allocation with Nash Bargaining Solutions for Delay Sensitive Traffic in OFDMA Networks
Hui DENG Xiaoming TAO Youzheng WANG Jianhua LU
IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
subchannel allocation, OFDMA, Nash bargaining solution, delay sensitive traffic,
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Efficient resource allocation for delay-sensitive traffic, such as telephony and video streaming, in Orthogonal Frequency Division Multiple Access (OFDMA) networks is needed to increase system performance. In our system, users try to achieve a low queuing delay and buffer space usage by competing for transmission over the subchannels. We formulate this problem as a bargaining game and use the Nash Bargaining Solution (NBS) to realize a fair and efficient subchannel allocation for the users. Simulation results show performance improvements, with regard to packet dropping and delay distribution, over other algorithms.