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Integrated Voice and Data Transmission Using TDMA/ALOHA Protocol for Mobile Communication Networks
IEICE TRANSACTIONS on Communications Vol.E79-B No.6 pp.857-864
Publication Date: 1996/06/20
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Mobile Communication
Full Text: PDF
This paper investigates the performance of an integrated voice and data transmission protocol that can be used in mobile communication networks, e.g. mobile cellular and LEOGEO satellite networks. Voice and data are concentrated at place such as base station in a cellular network. Time sensitive voices are supported by the concentrator in the manner of TDMA. Loss sensitive data are collected, stored, and transmitted using idle TDMA slots. Data users transmit data to the concentration point using ALOHA protocol. Characterization of data arrivals to the concentrator is done by the method of moment matching. The emphasis of this study is on the data performance in terms of packet loss rate, average buffer occupancy, and mean packet waiting time. It is demonstrated through numerical examples that a buffer of reasonable size is good enough to offer satisfactory performance. The analysis is also validated by computer simulations.