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On the effective capacity region for cognitive radio multiple access channels

机译:关于认知无线电多路访问信道的有效容量区域

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This paper investigates the effective capacity region for a cognitive radio multiple access channel (CR-MAC) under the interference power constraint to protect the primary user (PU) transmission. A closed-form greedy power allocation policy which encourages exclusive transmission of the secondary users (SUs) is proposed to obtain an inner effective capacity region boundary. It is shown that the proposed policy is practically optimal for stringent interference power constraint and loose delay quality-of-service (QoS) constraint and the obtained inner bound on the effective capacity is thus tight. (C) 2015 Elsevier GmbH. All rights reserved.
机译:本文研究了在干扰功率约束下保护主要用户(PU)传输的认知无线电多路访问信道(CR-MAC)的有效容量区域。提出了一种封闭形式的贪婪功率分配策略,该策略鼓励次级用户(SU)的专有传输,以获得内部有效容量区域边界。结果表明,所提出的策略在严格的干扰功率约束和宽松的服务质量延迟约束方面具有最佳的实用性,因此所获得的有效容量的内边界是紧密的。 (C)2015 Elsevier GmbH。版权所有。

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