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OFDM帧内误码率最小化的比特和功率分配方法
  • ISSN号：1006-7736
  • 期刊名称：《大连海事大学学报：自然科学版》
  • 时间：0
  • 分类：TN929.5[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]北京航空航天大学电子信息工程学院,北京100191
  • 相关基金：国家创新研究群体科学基金资助项目（60921001）; 国家杰出青年科学基金资助项目（60625102）; 国家高技术研究发展计划（863）资助项目（2006AA12A103）
作者： 吴限[1], 张军[1], 柳重堪[1]
关键词： 正交频分复用(OFDM), 功率分配, 比特加载, 名义功率, orthogonal frequency division multiplexing（OFDM）, power-allocation, bit-loading, virtual power
中文摘要：

为使正交频分复用（OFDM）系统在总功率和比特数不变条件下,误码率最小化BM（Ber Minimum）的比特和功率联合分配算法帧内平均误码率最小,设计符号内以最小总名义功率为目标的迭代算法,提出以符号最小总名义功率为基础的符号间功率分配方法.仿真结果表明,该方法在码率性能和计算速度方面均有较大改善.

英文摘要：

To minimize average bit rate error（BER） per orthogonal frequency division multiplexing（OFDM） frame under the constraint of total transmission power and data rate in time-varying channel,iterative algorithm of bit and power allocation aiming at minimum total virtual power （MTVP） in OFDM symbol was designed,and a method of power allocation among OFDM symbols based on MTVP was proposed.Simulation results show that the proposed bit and power allocation method improves the BER performance as well as calculation speed.

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期刊信息
  • 《大连海事大学学报：自然科学版》
  • 北大核心期刊（2011版）
  • 主管单位:交通部
  • 主办单位:大连海事大学
  • 主编：孙玉清
  • 地址：大连凌海路1号
  • 邮编：116026
  • 邮箱：xuebao@dlmu.edu.cn
  • 电话：0411-84727810
  • 国际标准刊号：ISSN：1006-7736
  • 国内统一刊号：ISSN：21-1360/U
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,波兰哥白尼索引,荷兰文摘与引文数据库,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:6141