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动态自适应频谱的接入策略研究

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摘要 认知无线电技术利用非授权频谱资源进行业务传输,缓和了目前通信业务飞速发展与频谱资源稀缺的矛盾。动态频谱接入技术通过感知频带,使认知用户能够伺机接入未被主用户占用的频谱空洞。但是在接入过程中,特别是在多个认知用户竞争接入相同的可用频谱资源时,往往面临认知用户间的冲突和各认知用户的QoS得不到保证的问题。文章重点介绍了目前国内外在多个认知用户接入策略上的一些研究成果,并对这些成果进行分析,提出了今后需要进一步研究的方向。
出处 《数据通信》 2009年第4期26-29,共4页
基金 支持服务质量的动态自适应频谱资源分配及管理策略研究(重庆市教委2009年项目KJ090502) 支持服务质量的动态自适应频谱资源分配及管理策略研究(重庆大学研究生创新重点项目200904B1A0010306)
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参考文献10

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