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Throughput Analysis of Group-Based DCA MAC Protocol in Cognitive Radio Network

机译：基于团体的DCA MAC协议在认知无线电网络中的吞吐量分析

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摘要

Recently, the CR (cognitive radio) technology is gathering more and more attention because it has the capacity to deal with the scarce of the precious spectrum resource. Within the domain of CR technology, channel management of CR is of utmost importance due to its key role in the performance enhancement of the transmission. A group-based DCA (dynamic channel allocation) MAC protocol in CR network has been proposed in this paper. It divides the channels into several groups which consist of the data channels and common control channel. We analyze the throughput under saturation condition, and the simulation results show that by using our protocol the throughput is improved obviously compared with traditional DCA.
机译：最近，CR（认知收音机）技术正在收集越来越多的关注，因为它具有处理珍贵频谱资源的稀缺的能力。在CR技术领域内，由于在传输的性能增强中的关键作用，CR的渠道管理是至关重要的。本文提出了CR网络中基于组的DCA（动态信道分配）MAC协议。它将通道划分为几个组，该组由数据通道和公共控制信道组成。我们分析饱和条件下的吞吐量，仿真结果表明，通过使用我们的协议，与传统DCA相比，通过使用我们的协议提高了吞吐量。

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