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...

多点协同系统中的协同波束赋形干扰抑制

DOI: 10.13190/jbupt.201103.103.wuwj, PP. 103-107

Keywords: 多点协同,小区间干扰,协同波束赋形

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了解决采用波束赋形多小区系统中波束冲突带来的小区间干扰问题,提出了一种基于特征值的协同波束赋形算法.该算法在各小区用户调度确定的情况下,部分干扰环境较为恶劣的用户要求其服务小区与最强干扰小区协同工作,联合计算在该用户所占用频率上的波束赋形向量.通过这种多点协同技术可达到抑制干扰、采用相同频率用户的可达速率和最大化的目的.仿真结果表明,与各小区独立计算波束赋形向量的方法相比,所提算法能有效提升系统性能.

References

[1]  Yoo T, Goldsmith A. On the optimality of multiantenna broadcast scheduling using zero-forcing beamforming [J]. IEEE J Select Areas Commun, 2006, 24(3): 528-541.
[2]  Wong K K. Maximizing the sum-rate and minimizing the sum-power of a broadcast 2-user 2-input multiple-output antenna system using a generalized zeroforcing approach [J]. IEEE Trans on Wireless Commun, 2006, 5(12): 3406-3412.
[3]  龙航, 王文博, 张月莹, 等. 时变非整数非均匀码书[J]. 北京邮电大学学报, 2010, 33(3): 15-19. Long Hang, Wang Wenbo, Zhang Yueying, et al. A time-varying nonintegral codebook with nonuniform quantization[J]. Journal of Beijing University of Posts and Telcommunications, 2010, 33(3): 15-19.
[4]  Karakayali M K, Foschini G J, Valenzuela R A. Network coordination for spectrally efficient communications in cellular systems [J]. IEEE Wireless Commun, 2006, 13(4): 56-61.
[5]  3GPP TSG-RAN1. R1-092541—2009, Consideration on performance of coordinated beamforming with PMI feedback [S]. Log Angeles: Alcatel-Lucent, 2009.
[6]  Tarokh V, Chae C B, Hwang I, et al. Interference aware-coordinated beamforming system in a two-cell environment . (2010-02)
[7]  Horn R A, Johnson C R. Matrix analysis [M]. New York: University of Cambridge Press, 1990.
[8]  3GPP TR36.814—2010, Further advancements for E-UTRA physical layer aspects [S]. : 3GPP, 2010.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133