全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
-  2015 

正交频分多址接入系统中双层毫微微蜂窝资源分配策略 Resource Allocation of Two-Tier Femtocells in OFDMA Networks

Keywords: 无线通信,毫微微蜂窝,资源分配,层间干扰

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对双层毫微微蜂窝全局频率复用引起的同信道干扰问题,提出了一种基于干扰协调的无线资源分配策略.基于瑞利衰落信道模型推出了层间干扰限制区域半径的表达式,以层间干扰限制区域半径为依据,在层间干扰限制区域半径内,通过分配正交子载波避免毫微微蜂窝的层间干扰,使蜂窝用户下行传输的中断概率满足服务质量(Qo S)要求.理论分析与仿真结果表明,本文策略能够选取合适的干扰限制半径,从而有效避免层间干扰,可为运营商资源分配提供参考

References

[1]  Kingman J.Poisson Process[M].New York:Oxford University Press,1993:5-20.
[2]  Chandrasekhar V,Andrews J G.Spectrum allocation in tiered cellular networks[J].IEEE Transactions on Communications,2009,57(10):3059-3068.
[3]  佟学俭,罗涛.OFDM移动通信技术原理与应用[M].北京:人民邮电出版社,2003:23-44.Tong X J,Luo T.The Principle and Application of OFDM Mobile Communication Technology[M].Beijing:People’s Posts and Telecommunications Press,2003:23-44(Ch).
[4]  Lowen S B,Teich M C.Power-law shot noise[J].IEEE Transactions on Information Theory,1990,36(6):1302-1318.
[5]  Cheng S M,Ao W C,Chen K C.Downlink capacity of two-tier cognitive femto networks[C]//IEEE 21st International Symposium on Personal Indoor and Mobile Radio Communications.New York:IEEE,2010:1303-1308.
[6]  Gur G,Bayhan S,Alagoz F.Cognitive femtocell networks:An overlay architecture for localized dynamic spectrum access[J].IEEE Wireless Communications,2010,17(4):62-70.
[7]  Chu X L,Wu Y H,Benmesbah L,et al.Resource allocation in hybrid Macro/Femto networks[C]//Proceeding of Wireless Communications and Networking Conference Workshops.New York:IEEE,2010:1-5.
[8]  Chandrasekhar V,Andrews J G.Uplink capacity and interference avoidance for two-tier femtocell networks[J].IEEE Transactions on Wireless Communications,2009,8(7):3498-3509.
[9]  Chandrasekhar V,Andrews J G,Gatherer A.Femtocell networks:A survey[J].IEEE Communications Magazine,2008,46(9):59-67.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133