A channel-adaptive and throughput-efficient scheduling scheme in voice/data DS-CDMA networks with constrained transmission power

被引：0
|
作者：
Shu, T [1 ]
Niu, ZS [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
2003 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5: NEW FRONTIERS IN TELECOMMUNICATIONS | 2003年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we study the throughput optimization of data traffic for a power-constrained voice/data CDMA system by the scheduling of data users. It is found that under a given received power budget and the constraints of transmission powers, the throughput of data traffic is maximized by selecting simultaneous data users and allocating powers according to the descending order of their received power capabilities, which is defined as the product between the transmission power limit and the channel gain. Based on this principle, a novel dynamic and channel-adaptive scheduling scheme is proposed to enhance the throughput performance of data traffic. The validity A the proposed scheme and its robustness to channel estimation error is verified by comparing with the conventional fair-sharing scheme and round-robin scheme via computer simulation.
引用
收藏
页码：2229 / 2233
页数：5
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