一种话音与数据融合的DS-CDMA系统容量优化功率分配方案

Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI:10.1109/TENCON.1999.818636

Insoo Koo, Jeongrok Yang, Yeongyoon Choi, Kiseon Kim

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引用次数: 3

摘要

本文提出了一种增强系统容量的功率分配方案，系统容量定义为在语音和数据混合的DS-CDMA系统中，数据用户吞吐量和语音用户Erlang容量的总和。该方案通过将数据用户的传输功率分配到小于语音用户的传输功率，从而增加了可支持的数据流量负载，而语音用户的传输功率受限于满足预定的qos(如所需的BER)。通过一个数值算例，说明了该方案对系统容量的提高。特别是在语音流量负载为0.1的情况下，将数据用户的传输功率分配为语音用户的一半，可以获得双倍的系统容量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Capacity-optimized power allocation scheme in an integrated voice and data DS-CDMA system

In this paper, a power allocation scheme is proposed to enhance the system capacity, defined as the sum of throughput for data users and Erlang capacity for voice users in a mixed voice and data DS-CDMA system. The proposed scheme increases the supportable data traffic load which is limited to satisfy the pre-determined QoSs of voice users such as the required BER, by allocating the transmission power of the data users to be less than that of voice users. Through a numerical example, this scheme shows the enhancement of system capacity. Especially, we can get double system capacity by allocating the transmission power of data users to be half of that of voice users, given the voice traffic load of 0.1.

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Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)

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