The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Récemment, le système d'accès multiple par répartition en code avec duplexage par répartition dans le temps (CDMA/TDD) a attiré une attention considérable en tant que moyen de réaliser un système de communications multimédia sans fil efficace. Dans cet article, nous proposons deux algorithmes d'allocation de créneaux horaires pour les systèmes CDMA/TDD afin d'accueillir efficacement le trafic multimédia. En supposant un environnement pratique à cellules multiples et un modèle de service multimédia composé de plusieurs types de services à commutation de circuits et à commutation de paquets avec différentes qualités de service (QoS), nous évaluons le délai moyen (temps moyen entre la génération d'appel et l'attribution de canal) de le système CDMA/TDD avec les algorithmes proposés, et comparer les performances avec celles du CDMA avec duplexage par répartition en fréquence (CDMA/FDD) et à accès multiple par répartition dans le temps avec les systèmes TDD (TDMA/TDD). Les résultats de nos simulations informatiques montrent que le système CDMA/TDD doté de l'un des algorithmes proposés, capable d'éviter efficacement les interférences entre les utilisateurs ayant des QoS différentes, peut améliorer les performances de retard moyen par rapport aux autres systèmes.
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Hiroyuki YOMO, Atsushi NAKATA, Shinsuke HARA, "An Efficient Slot Allocation Algorithm to Accommodate Multimedia Traffic in CDMA/TDD-Based Wireless Communications Systems" in IEICE TRANSACTIONS on Fundamentals,
vol. E84-A, no. 12, pp. 3068-3076, December 2001, doi: .
Abstract: Recently, code division multiple access scheme with time division duplex (CDMA/TDD) has drawn considerable attention as means to realize efficient wireless multimedia communications system. In this paper, we propose two time slot allocation algorithms for CDMA/TDD systems to efficiently accommodate multimedia traffic. Assuming a practical multiple cell environment and a multimedia service model which consists of several kinds of circuit-switched and packet-switched services with different quality of services (QoSs), we evaluate the average delay (average time from call generation to channel assignment) of the CDMA/TDD system with the proposed algorithms, and compare the performance with that of CDMA with frequency division duplex (CDMA/FDD) and time division multiple access with TDD (TDMA/TDD) systems. Our computer simulation results show that the CDMA/TDD system with one of the proposed algorithms, which can effectively avoid interference among users with different QoSs, can improve the average delay performance as compared with the other systems.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/e84-a_12_3068/_p
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@ARTICLE{e84-a_12_3068,
author={Hiroyuki YOMO, Atsushi NAKATA, Shinsuke HARA, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={An Efficient Slot Allocation Algorithm to Accommodate Multimedia Traffic in CDMA/TDD-Based Wireless Communications Systems},
year={2001},
volume={E84-A},
number={12},
pages={3068-3076},
abstract={Recently, code division multiple access scheme with time division duplex (CDMA/TDD) has drawn considerable attention as means to realize efficient wireless multimedia communications system. In this paper, we propose two time slot allocation algorithms for CDMA/TDD systems to efficiently accommodate multimedia traffic. Assuming a practical multiple cell environment and a multimedia service model which consists of several kinds of circuit-switched and packet-switched services with different quality of services (QoSs), we evaluate the average delay (average time from call generation to channel assignment) of the CDMA/TDD system with the proposed algorithms, and compare the performance with that of CDMA with frequency division duplex (CDMA/FDD) and time division multiple access with TDD (TDMA/TDD) systems. Our computer simulation results show that the CDMA/TDD system with one of the proposed algorithms, which can effectively avoid interference among users with different QoSs, can improve the average delay performance as compared with the other systems.},
keywords={},
doi={},
ISSN={},
month={December},}
Copier
TY - JOUR
TI - An Efficient Slot Allocation Algorithm to Accommodate Multimedia Traffic in CDMA/TDD-Based Wireless Communications Systems
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 3068
EP - 3076
AU - Hiroyuki YOMO
AU - Atsushi NAKATA
AU - Shinsuke HARA
PY - 2001
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E84-A
IS - 12
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - December 2001
AB - Recently, code division multiple access scheme with time division duplex (CDMA/TDD) has drawn considerable attention as means to realize efficient wireless multimedia communications system. In this paper, we propose two time slot allocation algorithms for CDMA/TDD systems to efficiently accommodate multimedia traffic. Assuming a practical multiple cell environment and a multimedia service model which consists of several kinds of circuit-switched and packet-switched services with different quality of services (QoSs), we evaluate the average delay (average time from call generation to channel assignment) of the CDMA/TDD system with the proposed algorithms, and compare the performance with that of CDMA with frequency division duplex (CDMA/FDD) and time division multiple access with TDD (TDMA/TDD) systems. Our computer simulation results show that the CDMA/TDD system with one of the proposed algorithms, which can effectively avoid interference among users with different QoSs, can improve the average delay performance as compared with the other systems.
ER -