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多用户自适应调制OFDM系统的高效子载波分配方案

刘培 葛建华 刘刚

刘培, 葛建华, 刘刚. 多用户自适应调制OFDM系统的高效子载波分配方案[J]. 电子与信息学报, 2004, 26(6): 871-875.
引用本文: 刘培, 葛建华, 刘刚. 多用户自适应调制OFDM系统的高效子载波分配方案[J]. 电子与信息学报, 2004, 26(6): 871-875.
Liu Pei, Ge Jian-hua, Liu Gang. An Efficient Sub-carrier Allocation Scheme for Multiuser OFDM Systems Using Adaptive Modulation[J]. Journal of Electronics & Information Technology, 2004, 26(6): 871-875.
Citation: Liu Pei, Ge Jian-hua, Liu Gang. An Efficient Sub-carrier Allocation Scheme for Multiuser OFDM Systems Using Adaptive Modulation[J]. Journal of Electronics & Information Technology, 2004, 26(6): 871-875.

多用户自适应调制OFDM系统的高效子载波分配方案

An Efficient Sub-carrier Allocation Scheme for Multiuser OFDM Systems Using Adaptive Modulation

  • 摘要: 为保证用户的子载波分配的实时高效,该文给出了一种能够满足和适应未来移动多媒体通信要求的高效频带分配方案。它是基于自适应调制的OFDM系统的。该方案使用了一种基于贪婪算法的高效算法,这种算法简单易于理解,复杂度低,仿真结果表明其性能优良,接近于最优解。
  • Reimers U.Digital video broadcasting.IEEE Commun.Mag.,1998,36(6):104-110.[2]Wang C Y,Cheng R S,Letaief K B,Murch R D.Multiuser sub-carrier allocation for OFDM transmission using adaptive modulation.Proc.IEEE Vehicular Technology Conf.(VTC99),Houston,TX,1999:479-483.[3]Czylwik A.Adaptive OFDM for wideband radio channels.Proc.IEEE Global Telecommunications Conf.(GLOBECOM96).London,U.K.,1996:713-718.[4]Webb W T,Steele R.Variable rate QAM for mobile radio.IEEE Trans.on Commun.,1995,COM-43(7):2223-2230.[5]Rohlinng H,Grunheid R.Performance comparison of different multiple access schemes for the downlink of an OFDM communication systems.Proc.IEEE Vehicular Technology Conf.(VTC97).Phoenix,AZ,1997:1365-1369.[6]Lai S K,Cheng R S,Letaief K B,Murch R D.Adaptive trellis coded MQAM and power optimization for OFDM transmission.Proc.IEEE Vehicular Technology Conf.(VTC99).Houston,TX,1999:290-295.[7]Wahlqvist M,Ostgerg C,Beek J,Edfors O,Borjesson P.A conceptual study of OFDM-based multiple access schemes.Technical Report Tdoc 117/96,ETSI STCSMG2 meeting no.18,Helsinki,Finland,May 1996,Part Ⅰ.[8]Cimini L J Jr.,Sollenberge N R.OFDM with diversity and coding for high-bit-rate mobile data applications.Mobile Multimedia Commun.,1997,1(2):247-254. [9]Mitsuhiro S,Ralf B,Kazuyuki S.Band Division Multiple Access (BDMA) system:a novel approach for next generation mobile telecomunication system,based on OFDM and SFH-TDMA.Proc.IEEE Vehicular Technology Conf.(VTC98).Ottowa,Canada,1998:1326-1330.[9]Khun H W.The Hungarian method for the assignment problem[J].Naval Research Logistics Quarterly.1955,2(1):83-97[10]Erceg V,et al..Channel models for fixed wireless applications.IEEE 802.16a cont.IEEE802.16.3c-01/29rl Feb.23,2001.[11]Proakis J G.Digital Communications,3rd.ed..New York:McGraw-Hill,1995:281-290.
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出版历程
  • 收稿日期:  2003-03-10
  • 修回日期:  2003-06-23
  • 刊出日期:  2004-06-19

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