Coalition Formation Game Based Relay Selection and Frequency Sharing for Cooperative Relay Assisted Wireless D2D Networks with QoS Constraints

• Jinxin Niu,
• Wei Tang,
• Wei Guo,

Vol. 10, No. 11, November 29, 2016
10.3837/tiis.2016.11.003, Download Paper (Free):

• D2D networks
• relay selection
• Resource Allocation
• Coalition Formation Game
• QoS constraints

Abstract

With device-to-device (D2D) communications, an inactive user terminal can be utilized as a relay node to support multi-hop communication so that connective experience of the cell-edge user as well as the capacity of the whole system can be significantly improved. In this paper, we investigate the spectrum sharing for a cooperative relay assisted D2D communication underlying a cellular network. We formulate a joint relay selection and channel assignment problem to maximize the throughput of the system while guaranteeing the quality of service (QoS) requirements of cellular users (CUs) and D2D users (DUs). By exploiting coalition formation game theory, we propose two algorithms to solve the problem. The first algorithm is designed based on merge and split rules while the second one is developed based on single user’s movement. Both of them are proved to be stable and convergent. Simulation results are presented to show the effectiveness of the proposed algorithms.

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