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多媒體CDMA系統(tǒng)在功率約束條件下的業(yè)務(wù)容量分析

王宇,  李少謙,  李樂民

王宇, 李少謙, 李樂民. 多媒體CDMA系統(tǒng)在功率約束條件下的業(yè)務(wù)容量分析[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1372-1377.
引用本文: 王宇, 李少謙, 李樂民. 多媒體CDMA系統(tǒng)在功率約束條件下的業(yè)務(wù)容量分析[J]. 電子與信息學(xué)報(bào), 2002, 24(10): 1372-1377.
Wang Yu, Li Shaoqian, Li Lemin . Capacity analysis for CDMA systems with multimedia traffic under power constraints[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1372-1377.
Citation: Wang Yu, Li Shaoqian, Li Lemin . Capacity analysis for CDMA systems with multimedia traffic under power constraints[J]. Journal of Electronics & Information Technology, 2002, 24(10): 1372-1377.

多媒體CDMA系統(tǒng)在功率約束條件下的業(yè)務(wù)容量分析

Capacity analysis for CDMA systems with multimedia traffic under power constraints

  • 摘要: 碼分多址接入(CDMA)技術(shù)可以靈活地支持無線多媒體業(yè)務(wù)傳輸,該文分析了多小區(qū)環(huán)境下CDMA系統(tǒng)上行鏈路的多媒體業(yè)務(wù)容量,主要討論了用戶最大發(fā)射功率約束條件在不同用戶激活因子情況下對系統(tǒng)容量的影響,分析和計(jì)算結(jié)果表明用戶最大發(fā)射功率約束使系統(tǒng)的容量有所降低。
    Abstract: Code Division Multiple Access (CDMA) is an effective technique to support radio multimedia service. This paper presents an analysis on the uplink capacity of a multimedia CDMA system under multicell environment. The effect of the users maximum transmission power constraints on the system capacity is analyzed with and without considering the users active factors. The derivations and computation results show that the users maximum transmission power constraints decrease the system capacity.
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  • T.H. Lee, J. T. Wang, Admission control for variable spreading gain CDMA wireless packet networks, IEEE Trans. on V.T., 2000, 49(2), 565 575.[2]S.V. Hanly, Capacity and power control in spread spectrum macrodiversity radio networks, IEEE Trans. on Commun. 1996, COM-44(2), 247-256.[3]B. Hashem, E. S. Sousa, Reverse link capacity and interference statistics of a fixed-step powercontrolled DS/CDMA system under slow multipath fading, IEEE Trans. on Commun. 1999,COM-47(2), 1905-1912.[4]S.A. Grandhi.[J].J. Zander, Constrained power control in cellular radio systems, in Proc. of IEEE VTC94, Stockholm, Sweden.1994,:-[5]A. Sampath, P. Sarath Kumar, J. M. Holtzman, Power control and resource management for a multimedia CDMA wireless system, IEEE PIMRC, Toronto, Canada, 1995, 21-25.[6]A.M. Viterbi, Andrew J. Viterbi, Erlang capacity of a power controlled CDMA system, IEEE Journal on SAC, 1993, 11(6), 892-899.
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出版歷程
  • 收稿日期:  2000-09-01
  • 修回日期:  2001-02-12
  • 刊出日期:  2002-10-19

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