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2008

A Unified Cross-Layer Framework for Resource Allocation in Cooperative Networks

8 years 4 months ago
A Unified Cross-Layer Framework for Resource Allocation in Cooperative Networks
Node cooperation is an emerging and powerful solution that can overcome the limitation of wireless systems as well as improve the capacity of the next generation wireless networks. By forming a virtual antenna array, node cooperation can achieve high antenna and diversity gains by using several partners to relay the transmitted signals. There has been a lot of work on improving the link performance in cooperative networks by using advanced signal processing or power allocation methods among a single source node and its relays. However, the resource allocation among multiple nodes has not received much attention yet. In this paper, we present a unified crosslayer framework for resource allocation in cooperative networks, which considers the physical and network layers jointly and can be applied for any cooperative transmission scheme. It is found that the fairness and energy constraint cannot be satisfied simultaneously if each node uses a fixed set of relays. To solve this problem, a m...
Wei Chen, Lin Dai, Khaled Ben Letaief, Zhigang Cao
Added 16 Dec 2010
Updated 16 Dec 2010
Type Journal
Year 2008
Where TWC
Authors Wei Chen, Lin Dai, Khaled Ben Letaief, Zhigang Cao
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