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Acta Armamentarii ›› 2018, Vol. 39 ›› Issue (11): 2220-2227.doi: 10.3969/j.issn.1000-1093.2018.11.016

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Analysis of Optimal Inner-cluster Hop Number of Multi-hop Cluster-based Ad Hoc Network

ZHANG Wen-qing, LI Xu, HUANG Wen-jun   

  1. (School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044,China)
  • Received:2018-02-06 Revised:2018-02-06 Online:2018-12-25

Abstract: Multi-hop cluster-based ad hoc networks suffer from poor scalability and large overhead. The selection of inner-cluster hop number is the key to the performance of cluster network. In considering the overhead of routing layer maintenance and MAC layer scheduling, the interference and capacity of network are derived out using hard-core Poisson point process (HCPP). A network throughput and channel utilization rate model is further established. With the goal of the maximizing throughput and the constraint of channel utilization rate, the optimal inner-cluster hop number is obtained. Simulated results show that the proposed model can effectively reflect the impacts of inner-cluster hop number, node density and other parameters on interference intensity, throughput and channel utilization rate. The optimal inner-cluster hop number depends on path loss coefficient and node density. Key

Key words: multi-hopclustering, adhocnetwork, inner-clusterhopnumber, hard-corePoissonpointprocess, nodethroughput

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