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首页> 外文期刊>International Journal of Sensor Networks >Data retrieval for deadline-based multi-request in MIMO wireless networks
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Data retrieval for deadline-based multi-request in MIMO wireless networks

机译:用于MIMO无线网络中的基于截止日期的多项请求的数据检索

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摘要

Data retrieval problem refers to generates an access pattern for downloading a request with multiple data items among the parallel channels such that the efficiency of wireless networks is improved. Although many related papers have discussed this problem that clients require to retrieve one request by one and multiple antennae, but there are few study on it that clients equipped with multiple antennae require to retrieve multiple requests, in particular that each request has time constraint. So, this paper proposes an algorithm that schedules the suitable antennae to find a retrieval sequence about these requests for keeping the balance of access latency. For retrieving each request, we develop an efficient scheme that adopts maximum match to generate an access pattern for downloading all requested data items so that the access latency of each request and deadline miss ratio are minimised Through experiments, the proposed algorithms keep good performance.
机译:数据检索问题是指生成用于在并行频道中的多个数据项下载请求的访问模式,使得无线网络的效率得到改善。 虽然许多相关论文已经讨论了这个问题,即客户要求由一个和多个天线检索一个请求,但是还有很少的研究,其中包含多个天线的客户端需要检索多个请求,特别是每个请求具有时间约束。 因此,本文提出了一种算法,该算法调度合适的天线来找到关于这些请求的检索序列,以保持访问延迟的余额。 为了检索每个请求,我们开发了一种高效的方案,该方案采用最大匹配来生成用于下载所有请求的数据项的访问模式,以便通过实验最小化每个请求和截止日期错误比率的访问延迟,所提出的算法保持良好的性能。

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