基于CDMA/ tdd的无线通信系统中容纳多媒体业务的一种有效的时隙分配算法

IEEE 54th Vehicular Technology Conference. VTC Fall 2001. Proceedings (Cat. No.01CH37211) Pub Date : 2001-10-07 DOI:10.1109/VTC.2001.956878

H. Yomo, A. Nakata, S. Hara

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引用次数: 10

摘要

针对码分多址时分双工(CDMA/TDD)系统，提出了两种时隙分配算法，以有效适应多媒体业务。假设一个实际的多小区环境和多媒体业务模型由几种具有不同服务质量(QoS)的电路交换和分组交换业务组成，我们用所提出的算法对CDMA/TDD系统的平均延迟进行了评估，并与CDMA/频分双工(CDMA/FDD)和时分多址(TDMA/TDD)系统的性能进行了比较。计算机仿真结果表明，采用其中一种算法的CDMA/TDD系统与其他系统相比，可以有效地避免不同QoS用户之间的干扰，提高平均延迟性能。

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An efficient slot allocation algorithm to accommodate multimedia traffic in CDMA/TDD-based wireless communications systems

We propose two time slot allocation algorithms for code division multiple access with time division duplex (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 qualities of service (QoS), we evaluate the average delay 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 QoS, can improve the average delay performance as compared with the other systems.

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来源期刊

IEEE 54th Vehicular Technology Conference. VTC Fall 2001. Proceedings (Cat. No.01CH37211)

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