Cooperative Strategies in Wireless Relay Networks

Provided by: Institute of Electrical and Electronics Engineers
Topic: Mobility
Format: PDF
In this paper, the authors explain the cooperative strategies of relay stations in wireless relay networks. In such networks, relay stations distributed across the network and centrally controlled by the base station can be exploited to form cooperative antenna arrays. They show that via relay station cooperation, the achievable downstream rate of mobile stations can be enhanced. Thus, they determine which relay stations should cooperate with one another and which mobile stations should receive data from the cooperative relays such that the performance of the entire network can be optimized. The utility maximization relay station cooperation problem is formulated with the goal of maximizing system capacity and balancing user traffic demand.

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