Modeling CDPD Channel Holding Times

Yi-Bing LIN  Phone LIN  Yu-Min CHUANG  

IEICE TRANSACTIONS on Communications   Vol.E83-B   No.9   pp.2051-2055
Publication Date: 2000/09/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technology
cellular digital packet data (CDPD),  voice channel selection policy,  forced hop,  

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Cellular Digital Packet Data (CDPD) provides wireless data communication services to mobile users by sharing unused RF channels with AMPS on a non-interfering basis. To prevent interference on the voice activities, CDPD makes forced hop to a channel stream when a voice request is about to use the RF channel occupied by the channel stream. The number of forced hops is affected by the voice channel selection policy. We propose analytic models to investigate the CDPD channel holding time for the the least-idle and random voice channel selection policies. Under various system parameters and voice channel selection policies, we provide guidelines to reduce the number of forced hops.