Performance study of multi-channel access schemes in two-tier CDMA cellular systems

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According to Wu, system performance and capacity degrade due to the co-channel interference between microcells and macrocells in hierarchical structure if the same channel is used. In order to avoid co-channel interference, different channels are assigned for macrocells and microcells. This paper proposes three multi-channel access schemes in which the same channel can be used in macrocell and hot-spot (or microcell) simultaneously. Using the proposed multi-channel access schemes, we can avoid the co-channel interference between macrocell and hot-spot and provide more capacities.

Original languageEnglish
Pages (from-to)2441-2445
Number of pages5
JournalIEEE Vehicular Technology Conference
StatePublished - 1998
EventProceedings of the 1998 48th IEEE Vehicular Technology Conference, VTC'98. Part 3 (of 3) - Ottawa, Can
Duration: 18 May 199821 May 1998


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