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Joint energy saving resource allocation and user scheduling scheme in orthogonal frequency division multiple access (OFDMA) relay networks is considered. Different from allocating resources for users, we allocate resources for packets in the priority queue. Before resource allocation, a scheduling scheme is carried out to assign different priorities to the packets in the queue to guarantee the fairness...
In the OFDMA-based cellular relay networks, relay selection and resource allocation are the main problem to be solved. Many present works about resource allocation are for the goal of throughput maximization. In this paper, we propose an adaptive resources allocation algorithm joint relay selection, sub-carrier assignment and power allocation for the goal of energy saving to ensure users' QoS, and...
Being a new feature of next generation of wireless networks, MMR (mobile multi-hop relay) is proposed for the purpose of coverage extension and throughput enhancement in IMT-Advanced, IEEE 802.16j/m. Besides, with the help of relay, the system energy consumption could be well saved. In this paper, an energy saving scheduling scheme is proposed for OFDMA based two-hop relay systems. The novel scheme...
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