Channel-sharing strategies in two-tier cellular PCS systems

Authors:
Kuo-Jen Lin;Yu-Chee Tseng;Jang-Ping Sheu
Affiliations:
Department of Computer Science and Information Engineering, National Central University, Chung-Li 320, Taiwan, ROC;Department of Computer Science and Information Engineering, National Chiao-Tung University, Hsin-Chu 300, Taiwan, ROC;Department of Computer Science and Information Engineering, National Central University, Chung-Li 320, Taiwan, ROC
Venue:
Computer Communications
Year:
2002

Citing 4
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Abstract

A two-tier cellular network is characterized by macrocells and microcells overlapping in the service area. This overlapping property provides an advantage that traffic loads can be shared by channels of the two tiers to increase the performance of the system. In this paper, we propose two channel-sharing strategies, namely vertical channel-sharing and vertical-horizontal channel-sharing, to better utilize channels of the network. The call loss probability of new calls and call dropping probability of handoff calls are developed through analyses and simulations. The results justify the advantage of our strategies over existing strategies.