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...

用于OFDMA蜂窝系统的多小区自适应资源分配算法

DOI: 10.13190/jbupt.200705.67.343, PP. 67-71

Keywords: 正交频分多址,资源分配,小区间干扰,非合作博弈

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出了一种用于正交频分多址通信系统下行链路的多小区自适应资源分配算法(MARA)。为了降低系统复杂度,将子信道分配和功率分配分开实现,在小区内部进行动态子信道分配,并以单小区子信道分配结果为基础在相邻小区同频用户中进行功率分配。将非合作博弈论引入到多小区功率分配中,给出了基于代价函数的多小区分布式功率分配算法。通过协调相邻小区间同频子信道的发送功率,抑制小区间干扰,提高无线资源利用率。仿真结果表明,与已有算法相比,本文提出的算法可以提高系统吞吐量。

References

[1]  Rhee W, Cioffi J M. Increase in capacity of multiuser OFDM system using dynamic subchannel allocation//IEEE VTC. Tokyo:, 2000: 1085-1089.
[2]  周文安, 李真, 宋俊德. 多小区多用户OFDM系统中的最佳比特分配算法. 北京邮电大学学报, 2004, 27(增刊): 212-216. Zhou Wenan, Li Zhen, Song Junde. An optimal bit loading algorithm in multi-cell multi-user OFDM systems[J]. Journal of Beijing University of Posts and Telecommunications, 2004, 27(Sup): 212-216.
[3]  Zhu Han, Zhu Ji, K J Ray Liu. Power minimization for multi-cell OFDM networks using distributed non-cooperative game approach //GLOBECOM '04 IEEE. Dallas: IEEE Press, 2004: 3742-3747.
[4]  Wang Lan, Xue Yisheng, Schulz Egon. Resource allocation in multicell OFDM systems based on non-cooperative game//IEEE PIMRC. Helsinki: IEEE Press, 2006: 1-5.
[5]  Wang Qian, Xu Dan, Xu Jing, et al. A grouped and proportional-fair subcarrier allocation scheme for multiuser OFDM systems//IPCCC. : IEEE Press, 2006: 97-101.
[6]  Jang J, Wang K, Lee B. Transmit power adaptation for multiuser OFDM systems[J]. IEEE Journal on Selected Areas in Communications, 2003, 21(2): 171-178.
[7]  Goodman D, Mandayam N. Power control for wireless data[J]. IEEE Personal Communications, 2000, 7(2): 48-54.
[8]  Saraydar C U, Mandayam N B, Goodman D J. Efficient power control via pricing in wireless data networks[J]. IEEE Transactions on Communications, 2002, 50(2): 291-303.
[9]  Saraydar C U, Mandayam N B, Goodman D J. Pricing and power control in a multicell wireless data network[J]. IEEE Journal on Selected Areas in Communications, 2001, 19(10): 1883-1892.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133