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OFDM系统中一种新型资源分配算法

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摘要 为了最大化系统容量,本文提出一种改进的引入比例公平性的资源分配算法,构建信道增益矩阵将具有最大信道增益的子载波分配给用户,通过子载波调整和子载波交换来优化分配结果。仿真结果表明,本文算法能够在不同用户数和不同信噪比的情况下,较好的提高系统容量。
作者 魏东 傅民仓
出处 《信息系统工程》 2015年第10期136-137,共2页
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参考文献4

  • 1李君,吴明敏,王秀敏,李正权.OFDMA系统资源优化综述[J].中国计量学院学报,2014,25(4):451-458. 被引量:2
  • 2LIU T, YANG C Y, YANG L. A low-complexity subcarrier- power allocation scheme for frequency-division multiple-access system[J]. 1EEE Tran Wireless Commun,2010,9(5):1571-1576.
  • 3杜娜,顾品标,闵锐,曹宁.一种低复杂度基于公平性的MIMO-OFDMA资源分配方案[J].电子与信息学报,2010,32(4):770-774. 被引量:5
  • 4Didem Kivanc, Guoqing Li, and Hui Liu. Computationally Efficient Bandwidth Allocation and Power Control for OFDMA[J].IEEE Transactions on Wireless Communications,2003,1150-1158.

二级参考文献53

  • 1Wong K, Cheng R, and Letaief K, et al.. Adaptive antennas at the mobile and base stations in an OFDM/TDMA system[J]. IEEE Transactions on Communications, 2001, 49(1): 195-206.
  • 2Stuber G L, Barry J R, and Mclaughlin S W, et al. Broadband MIMO-OFDM wireless communications[J]. Proceedings of the IEEE, 2004, 92(2): 271-294.
  • 3Hui J and Zhou Y. Enchanced rate adaptive resource allocation scheme in downlink OFDMA system[C]. IEEE VTC2006-Spring, Melbourne, Australia, 2006, 5: 2464-2468.
  • 4Pan C K, Cai Y M, and Xu Y Y. Adaptive subcarrier and power allocation for multiuser MIMO-OFDM systems[C]. ICC2005, Seoul, 2005, 4: 2631-2635.
  • 5Zhang Y J and Letaief K B. An efficient resource-allocation scheme for spatial multiuser access in MIMO/OFDM systems[J]. IEEE Transactions on Communications, 2005, 53(1): 107-116.
  • 6Shen Z, Andrews J G, and Evans B L. Optimal power allocation in multiuser OFDM systems[C]. IEEE Global communications conference, San Francisco, 2003, 1: 337-341.
  • 7Brah F, Louveaux J, and Vandendorpe L. Proportional fair power allocation for OFDM-CDM systems in frequency-selective fading channel[C]. IEEE SPAWC'06, Cannes. 2006: 1-5.
  • 8Sann M M and Iwao S. Resource allocation scheme in MIMOOFDMA system for user's different data throughput requirements[C]. IEEE WCNC'07, Hong Kong, 2007: 1706-1710.
  • 9Wong C Y, Cheng R S, and Lataief K B, et al.. Multiuser OFDM system with adaptive subcarrier, bit, and power allocation[J]. IEEE Journal on Selected Areas Communications, 1999, 17(10): 1747-1758.
  • 10Jang J and Lee K B. Transmit power adaptation for multiuser OFDM systems[J]. IEEE Journal on Selected Areas Communication, 2003, 21(2): 171-178.

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