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IEICE TRANSACTIONS on Communications

Time Slot Assignment for Cellular SDMA/TDMA Systems with Adaptive Antennas

Yoshitaka HARA, Yunjian JIA, Toshihisa NABETANI, Shinsuke HARA

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Summary :

This paper presents time slot assignment algorithms applicable to uplink of space division multiple access (SDMA)/time division multiple access (TDMA) systems with adaptive antennas. In the time slot assignment process for a new terminal in a cell, we consider not only the signal quality of the new terminal but also that of active terminals in the same cell. Intra-cell hand over is performed for an active terminal when its signal quality deteriorates. We evaluate the blocking and forced termination probabilities for pure TDMA systems, sectorized systems, and SDMA/TDMA systems in cellular environments by computer simulations. The simulation results show that the SDMA/TDMA systems have much better performance than the pure TDMA and sectorized systems.

Publication
IEICE TRANSACTIONS on Communications Vol.E87-B No.4 pp.858-865
Publication Date
2004/04/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Wireless Communication Technology

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