Call admission and handoff control in multi-tier cellular networks: algorithms and analysis
作者： Vijoy Pandey , Dipak Ghosal , Biswanath Mukherjee , Xiaoxin Wu
DOI: 10.1007/S11277-007-9307-Y
关键词:
摘要: In this paper, we investigate a call-admission and handoff-control framework for multi-tier cellular networks. We first propose compare Call-Admission Control (CAC) algorithms based on the cell-dwelling time, by studying their impact handoff-call dropping new-call blocking probabilities channel partitioning between two tiers. Our results show that simple, cell-dwelling-time-insensitive algorithm performs better under various mixes of user mobilities call types. Moreover, there is an optimal partition overall spectrum tiers which minimizes different CAC studied in paper. Once admitted into network, handoff- queuing strategies to reduce probability. implementing one (especially upper, i.e., macrocellular, tier), significant reduction
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