DS-CDMA system outer loop power control and improvement for multi-service

被引：2
|
作者：
Guan Mingxiang [1 ]
Guo Qing [1 ]
Li Xing [2 ]
机构：
[1] Harbin Inst Technol, Sch Elect & Informat Technol, Harbin 150001, Peoples R China
[2] Huawei Technol Co Ltd, Shenzhen 518057, Peoples R China
来源：
JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS | 2008年 / 19卷 / 03期
关键词：
DS-CDMA; outer loop power control; multi-service; performance;
D O I：
10.1016/S1004-4132(08)60106-1
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
When a new user accesses the CDMA system, the load will change drastically, and therefore, the advanced outer loop power control (OLPC) technology has to be adopted to enrich the target signal interference ratio (SIR) and improve the system performance. The existing problems about DS-CDMA outer loop power control for multi-service are introduced and the power control theoretical model is analyzed. System simulation is adopted on how to obtain the theoretical performance and parameter optimization of the power control algorithm. The OLPC algorithm is improved and the performance comparisons between the old algorithm and the improved algorithm are given. The results show good performance of the improved OLPC algorithm and prove the validity of the improved method for multi-service.
引用
收藏
页码：453 / 460
页数：8
相关论文
共 50 条
  • [21] Channel estimation improvement for multi-carrier DS-CDMA
    Guey, HC
    2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS1-5, PROCEEDINGS, 2003, : 1199 - 1203
  • [22] Downlink performance of a DS-CDMA wireless local loop system
    Steiner, B
    Kuhlmann, P
    48TH IEEE VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-3, 1998, : 1331 - 1335
  • [23] Effect of mobile power control saturation in DS-CDMA
    Ghosh, A
    Rohani, K
    ICUPC '96 - 1996 5TH IEEE INTERNATIONAL CONFERENCE ON UNIVERSAL PERSONAL COMMUNICATIONS RECORD, VOLS 1 AND 2, 1996, : 360 - 364
  • [24] Multi-dimensional amplitude control for DS-CDMA
    Rajappan, GS
    Honig, ML
    1999 IEEE 49TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-3: MOVING INTO A NEW MILLENIUM, 1999, : 1256 - 1260
  • [25] Performance analysis of adaptive rate and power control for data service in DS-CDMA systems
    Xu, L
    Shen, XM
    Mark, JW
    GLOBECOM '01: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-6, 2001, : 627 - 631
  • [26] Performance enhancement of DS-CDMA system for wireless local loop
    Ng, B
    Sousa, ES
    ITS '98 PROCEEDINGS - SBT/IEEE INTERNATIONAL TELECOMMUNICATIONS SYMPOSIUM, VOLS 1 AND 2, 1998, : 78 - 82
  • [27] Analysis of received level characteristics with transmitter power control in DS-CDMA system
    Fujii, T
    Miki, Y
    ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS, 2002, 85 (12): : 100 - 111
  • [28] Robust downlink power-control for DS-CDMA system with multimedia services
    Tung, TL
    Yao, K
    2003 4TH IEEE WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS - SPAWC 2003, 2004, : 532 - 536
  • [29] Optimization of centralized power control by genetic algorithm in a DS-CDMA cellular system
    Zhou, J
    Kikuchi, H
    Sasaki, S
    Luo, H
    ADVANCES IN NATURAL COMPUTATION, PT 3, PROCEEDINGS, 2005, 3612 : 684 - 687
  • [30] Optimum Downlink Power Control of a DS-CDMA System via Convex Programming
    Tai-Lai Tung
    Kung Yao
    Journal of VLSI signal processing systems for signal, image and video technology, 2005, 39 : 133 - 146
12345