基于三角通信的有效信道分配方案

Sungbum Hong, Q. Malluhi, Tom Jacob
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引用次数: 0

摘要

无线电是无线/移动通信系统的宝贵资源。在本文中,我们提出了一种高效的算法,利用一种新的三角形通信模型,通过搜索无线移动通信系统的空闲信道来有效地同步进程。由移动交换中心(MSC)控制的地理区域被分成许多小的六边形区域,称为单元。子集群中的每个单元都可以通过三角通信模型有效地从第一层共信道单元收集信道信息。该通信模型的性能以消息复杂度、响应时间和故障局部性为特征。为了公平评价,我们引入了一种新的度量,称为累积失效局域性(AFL)。三角形通信模型提高了算法的消息复杂度、响应时间和AFL。对于AFL,我们检查我们的算法,并生成一个AFL向量。讨论了该算法并证明了其正确性。我们还表明,该算法最多需要O(Nsc)条消息,其中Nsc是子集群中的单元数。这与需要O((Ng)2)的算法[3]相比,其中Ng是分配给系统的大带宽中的信道组的数量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficient Channel Allocation Scheme with Triangle Communication
Radio is a valuable resource for wireless/mobile communication systems. In this paper, we present an ef-ficient algorithm using a novel triangle communication model to synchronize processes effectively by searching for free channels for wireless mobile communication systems. A geographical area controlled by a Mobile Switching Center (MSC) is divided into many small hexagonal regions called cells. Each cell in a sub-cluster can effectively collect channel information from the first tier of co-channel cells through the triangle communication model. The performance of the communication model is characterized in terms of message complexity, response time and failure locality. For fair evaluation, we introduce a novel metric, which is called Accumulated Failure Locality (AFL). The triangle communication model improves message complexity,response time and AFL of the algorithm. With AFL, we examine our algorithm, and produce an AFL vectr. We discuss the algorithm and prove its correctness. We also show that the algorithm requires at most O(Nsc) messages,where Nsc is the number of cells in a sub-cluster.This is compared to the algorithms [3] which requires O((Ng)2), where Ng is the number of channel groups in the large bandwidth allocated to the system.
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