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基于分组的宽带CDMA网络呼叫接纳控制方案

方旭明 朱龙杰 张丹丹

方旭明, 朱龙杰, 张丹丹. 基于分组的宽带CDMA网络呼叫接纳控制方案[J]. 西南交通大学学报, 2007, 20(1): 1-7.
引用本文: 方旭明, 朱龙杰, 张丹丹. 基于分组的宽带CDMA网络呼叫接纳控制方案[J]. 西南交通大学学报, 2007, 20(1): 1-7.
FANG Xuming, ZHU Longjie, ZHANG Dandan. Packet-Based Call Admission Control Scheme in Broadband CDMA Networks[J]. Journal of Southwest Jiaotong University, 2007, 20(1): 1-7.
Citation: FANG Xuming, ZHU Longjie, ZHANG Dandan. Packet-Based Call Admission Control Scheme in Broadband CDMA Networks[J]. Journal of Southwest Jiaotong University, 2007, 20(1): 1-7.

基于分组的宽带CDMA网络呼叫接纳控制方案

基金项目: 

南京大学计算机软件新技术国家重点实验室开放基金(A200605)的资助.

详细信息
    作者简介:

    方旭明(1962- ),男,教授,博士,研究方向为无线宽带接入网络、移动Adhoc网络、无线Mesh网络、无线传感器网络等关键技术等,电话:028-87601845,E-mail:xmfang@home.swjtu.edu.cn

Packet-Based Call Admission Control Scheme in Broadband CDMA Networks

  • 摘要: 以宽带CDMA网络为研究对象,结合3种主要业务类型(话音、视频、数据)的精确建模,提出了用户连接接纳控制与用户分组接纳控制协作的CAC机制,以及基于优先级的改进CAC方案.该方案根据无线分组网络中以分组为最小资源管理单位的特点,结合系统剩余容量以及不同类型业务的特点,为不同业务设置不同的接入准则.优先接纳对实时性要求高的用户连接和分组,同时尽可能地保证实时性要求较低业务的服务质量.仿真结果表明,所提出的策略有效降低了业务接入的阻塞率和平均接纳延时,同时提高了系统资源利用率.

     

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出版历程
  • 收稿日期:  2006-05-30
  • 刊出日期:  2007-02-25

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