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...

基于粒子群算法的OFDMA系统自适应子载波分配问题

Keywords: OFDMA, 子载波分配, 粒子群算法, 交换序??

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了研究OFDMA系统中的自适应子载波分配问题,将粒子群算法引入到OFDMA系统的自适应子载波分配问题中,利用该算法参数少、收敛速度快、全局寻优能力强等特点,较好地解决了OFDMA系统中的子载波优化分配问题.仿真结果表明,改进算法能得到最优的子载波分配方案,减小了整个系统所需的发射功率,同时又提升了算法的收敛速度.

References

[1]  陶柁丞.OFDMA关键技术分析与应用[D].北京:北京交通大学,2008:1?87.?
[2]  TAO Tuocheng.Analysis and application of the key techniques of OFDMA[D].Beijing:Beijing Jiaotong Univertsity,2008:1-87.
[3]  WONG C Y, CHENG R S, LETAIEF K B,et al. Multiuser OFDM with adaptive subcarrier,bit and power allocation[J]. IEEE J Sel Areas Commun,1999,17(10):1747-1757.
[4]  ZHANG Guodong.Subcarrier and bit allocation for real?time services in multiuser OFDM systems[C]// IEEE International Conference on Communications.Paris,France, 2004:2985-2989.
[5]  张冬梅,徐友云,蔡跃明.OFDMA系统中线性注水功率〖LL〗分配算法[J].电子与信息学报, 2007,29(6): 1286-1289.?
[6]  ZHANG Dongmei,XU Youyun,CAI Yueming. Linear water?filling power allocation algorithm in OFDMA system[J]. Journal of Electronics and Information Technology, 2007,29(6): 1286?1289.
[7]  KVANC D,LI Guoqing, LIU Hui. Computationally efficient bandwidth allocation and power control for OFDMA[J].IEEE Transactions wireless Communications, 2003, 2(6):1150?1158.
[8]  WANG Yongxue,CHEN Fangjiong,WEI Gang. Adaptive subcarrier and bit allocation for multiuser OFDM system based on genetic algorithm[C]// International Conference on Communications, Circuits and Systems Proceedings,China,2005:242-246.
[9]  王冰,刁鸣,高洪元.一种改进的粒子群算法求解背包问题[J].应用科技,2008,35(3):16-19.WANG Bing,DIAO Ming,GAO Hongyuan. An improved particle swarm optimization algorithm for knapsack problems[J]. Applied Science and Technology, 2008,35(3):16?19.?
[10]  毕晓君,张旭.基于粒子群算法的OFDM峰平比抑制问题研究[J].应用科技,2009,36(8):17-20.BI Xiaojun, ZHANG Xu. A study of PAPR reduction in OFDM signals based on PSO algorithm[J]. Applied Science and Technology, 2009,36(8):17-20
[11]  满春涛,王昆,张礼勇.基于禁忌搜索的混合粒子群优化算法[J].哈尔滨理工大学学报,2009,14(4):5?8.
[12]  ?MAN Chuntao,WANG Kun,ZHANG Liyong.A hybrid particle swarm optimization algorithm based on TS[J]. Journal of Harbin University of Science and Technology, 2009,14(4):5?8.
[13]  毕晓君,刘国安.种群分类粒子群改进算法研究[J].哈尔滨工程大学学报,2008,29(9):991?996.?
[14]  BI Xiaojun, LIU Guoan.An improved particle swarm optimization algorithm based on population classification[J].Journal of Harbin Engineering University, 2008,29(9):991-96.
[15]  终学俭,罗涛.OFDM移动通信技术原理与应用[M].北京:人民邮电出版社,2003:10?17.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133