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Channel Assignment and Hand-off Policies in Cluster-Based Micro/ Picocellular Wireless Networks

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Abstract

In this paper, we consider cluster-based micro/picocellular networks with overlapped cell-clusters. Channel assignment and hand-off policies are essential and important policies in cellular wireless networks. The issue of how different channel assignment and hand-off policies in the overlapped areas affect the overall system performance has not yet been studied in the literature. This paper provides a thorough study and understanding of this issue. We propose two cluster channel assignment policies, namely, partitioned and shared cluster channel assignment policies, and two hand-off policies, namely, boundary and early hand-off policies. The proposed cluster channel assignment policies and hand-off policies are combined to obtain three different strategies, namely, partitioned-boundary, partitioned-early, and shared-boundary strategies. Extensive simulations are used to study the performance of the strategies. Our results show that the partitioned-early and shared-boundary strategies produce significantly lower hand-off dropping and forced termination probabilities than the partitioned-boundary strategy. The partitioned-early and shared-boundary strategies yield similar performance.

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Authors and Affiliations

  1. Department of Computer Science, National Tsing Hua University, Hsinchu, 300, TAIWAN, Republic of China

    Hwa-chun Lin

  2. Department of Optoelectronics and Communication Engineering, National Kaohsiung Normal University, Kaohsiung, Taiwan, Republic of China

    show-shiow Tzeng

Authors
  1. Hwa-chun Lin
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  2. show-shiow Tzeng
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Correspondence to Hwa-chun Lin.

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Lin, Hc., Tzeng, ss. Channel Assignment and Hand-off Policies in Cluster-Based Micro/ Picocellular Wireless Networks. Wireless Pers Commun 43, 449–465 (2007). https://doi.org/10.1007/s11277-006-9233-4

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  • DOI: https://doi.org/10.1007/s11277-006-9233-4

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