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IEICE TRANSACTIONS on Fundamentals

A Dynamic Channel Assignment Algorithm for Voice and Data Integrated TDMA Mobile Radio

Lan CHEN, Susumu YOSHIDA, Hidekazu MURATA

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Summary :

It is highly desirable to develop an efficient and flexible dynamic channel assignment algorithm in order to realize an integrated traffic TDMA mobile radio communication network. In this paper, an integrated traffic TDMA system is studied in which transmission of voice and data are assumed to occupy one and n time slots in each TDMA frame, respectively. In general, there are two types of channel (time slot) assignment algorithms: the partitioning algorithm and the sharing algorithm. However, they are not well-suited to the multimedia traffic consisting of various information sources that occupy different number of slots per frame. In this paper, assuming that voice is much more sensitive to transmission delay than data, an algorithm based on the sharing algorithm with flexible tima slot management scheme is proposed. Our method tries to vary the number of data slots adaptively so as to improve the quality of servive of voice calls and the system capacity. Computer simulations show the good performance of the proposed algorithm when compared to conventional channel assignment algorithms.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E80-A No.7 pp.1204-1210
Publication Date
1997/07/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Section on Multi-dimensional Mobile Information Network)
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