本文主要研究资源分配的两个方面：功率优化分配和合作伙伴选择。

In this paper, we investigate two aspects of resource allocation: optimal power allocation and partner selection.

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因此，对信源和中继节点之间的功率优化分配有着极其重要的现实意义。

Therefore, there is great practical significance on optimal power allocation between source and relay nodes.

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基于子载波边际效用，提出了一种针对实时业务的资源优化分配算法，在满足其传输速率和误比特率的前提下，有效地降低了系统所需要的发射功率。

After that, a resource optimization method for real-time traffics is proposed, which minimizes the required transmit power while guaranteeing the QoS requirement of real-time traffics.

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