应用科学学报 ›› 2012, Vol. 30 ›› Issue (5): 487-492.doi: 10.3969/j.issn.0255-8297.2012.05.008

• 通信工程 • 上一篇    下一篇

家庭基站网络分布式资源分配算法

王双叠1;2;3;4, 王江1;2;3, 徐景1;2;3, 滕勇5, HORNEMAN Kari5   

  1. 1. 中国科学院上海微系统与信息技术研究所,上海200050
    2. 中国科学院无线传感网与通信重点实验室,上海200335
    3. 上海无线通信研究中心,上海200335
    4. 中国科学院研究生院,北京100049
    5. 诺基亚西门子网络公司,芬兰02022
  • 收稿日期:2011-04-14 修回日期:2011-11-18 出版日期:2012-09-24 发布日期:2012-09-25
  • 通信作者: 王双叠,博士生,研究方向:干扰管理、HeNB网络、网络自优化,E-mail:shuangdie.wang@shrcwc.org E-mail:shuangdie.wang@shrcwc.org
  • 作者简介:王双叠,博士生,研究方向:干扰管理、HeNB网络、网络自优化,E-mail:shuangdie.wang@shrcwc.org
  • 基金资助:

    上海市国际合作项目基金(No.09530702500, No. 10220712100);上海市启明星计划基金(No.10QA1406300);上海市重大项目基金(No. 09dz1500102);上海市重点项目基金(No.09511501100, No.10511500404)资助

Distributed Resource Allocation in HeNB Networks

WANG Shuang-die1;2;3;4, WANG Jiang1;2;3, XU Jing1;2;3, TENG Yong5, HORNEMAN Kari5   

  1. 1. Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences, Shanghai 200050, China
    2. Key Laboratory of Wireless Sensor Network and Communication,Chinese Academy of Sciences, Shanghai 200335, China
    3. Shanghai Research Center for Wireless Communications, Shanghai 200335, China
    4. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
    5. Nokia Siemens Networks, Espoo 02022, Finland
  • Received:2011-04-14 Revised:2011-11-18 Online:2012-09-24 Published:2012-09-25

摘要:

针对具有自组织特性的家庭基站(home eNodeB, HeNB) 网络,提出了一种分布式资源分配算法. 该方法首先使HeNB 根据网络状况选择分量载波,而当接收到邻小区的重选请求时,可以重新选择备用载波列表中的载波,释放当前使用的载波给邻居使用,从而提高HeNB 获得可行载波的可能性. 使HeNB 根据优化目标函数自主地进行功率优化,以减少小区间干扰并提高系统容量. 通过蒙特卡罗方法分析该算法的性能,仿真结果表明:该资源分配算法能够提高用户的平均吞吐量并降低中断概率.

关键词: 家庭基站, 备用载波列表, 载波重选择, 小区间干扰, 功率优化

Abstract:

A distributed algorithm is proposed for resource allocation in self-organized home eNodeB (HeNB)networks. In this algorithm, each HeNB selects component carriers (CC) based on the network status. If a reselection request is received from neighboring cells, the HeNB will reselect the CC in the backup CC list, and release the CC requested by neighbors to enhance possibility of successful carrier selection. Each HeNB then adaptively performs power optimization in active CCs to reduce inter-cell interference and enhance the system capacity. Simulation results show that this resource and power allocation algorithm can enhance average user throughput and reduce the outage rate.

Key words: home eNodeB (HeNB), backup component carriers (CC) list, carrier reselection, inter-cell interference, power optimization

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