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宽带MISO/OFDM传输系统的性能分析 被引量：1

Performance Analysis of a Broadband MISO/OFDM Transmission System
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摘要 提出了一种自适应比特和功率分配的宽带MISO/OFDM传输系统,建立了宽带MISO/OFDM传输系统的模型,并对该系统的最大子载波信噪比性能进行了分析。仿真结果表明在多径衰落信道下,与没有采用自适应比特和功率分配的传统发射分集OFDM传输系统相比,该系统的误比特性能得到明显的提高。 In this paper, we propose a broadband MISO/OFDM transmission system with adaptive bit and power allocation. The model of proposed system is established. The performance of maximal SNR on each subcarrier of proposed system is analyzed. The simulation results show that the proposed system can achieve better performance compared with that of the conventional adaptive transmit diversity based OFDM systems without adaptive bit and power allocation over multipath fading channels.
作者 邱永红
机构地区 南京总参第
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2006年第5期748-751,共4页 Journal of University of Electronic Science and Technology of China
基金 通信抗干扰技术国家级重点实验室基金资助项目(514340103JB5001)
关键词 多输入单输出/正交频分复用 传输系统 自适应比特分配 自适应功率分配 multiplex input single output/orthogonal frequency division multiplexing transmission system adaptive bit allocation adaptive power allocation
分类号 TN911 [电子电信—通信与信息系统]
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参考文献5

  • 1Wong C. Y, Cheng R. S-K, Letaief K. B. Multiuser OFDM with adaptive subcarrier, bit, and power allocation[J]. IEEE J. Select. Areas Commun., 1999, 17(10): 1747-1758.
  • 2Lee Y, Sollenberger N. R. Adaptive antenna arrays for OFDM systems with cochannel interference[J]. IEEE Trans. Commun., 1999, 47(3): 217-229.
  • 3QIU Yong-hong, PAN Ya-han. Adaptive bit and power allocation with adaptive transmit diversity for broadband MISO/OFDM wireless transmission[C]//IEEE International Conference on Neural Network & Signal Processing, Nanjing, 2003.
  • 4Qiu Yong-hong, Pan Ya-han, Cao Zhi-gang. Constant rate adaptive modulation with selection transmit diversity for broadband OFDM wireless systcms[Cl//PIMRC2003,Beijing, 2003.
  • 5Pan Y H, Letalef K B, Cao Z. Dynamic sub-channel allocation with adaptive beamforming for broadband OFDM wireless systems[C]//IEEE Globecom'2002, Taipei, 2002.

同被引文献9

  • 1徐海波,杜欢,张振仁.OFDM信道估计的子空间方法[J].电子科技大学学报,2006,35(5):752-754. 被引量：3
  • 2VAN N R, PRASAD R. OFDM for wireless multimediu communications[M]. [S.l.]: Artech House, 2000.
  • 3李道本.一种高频谱效率的重叠频分复用传输技术与方法:PCT/CN2006/002012[P].2006.
  • 4LIN YUAN-Pei, PHOONG S M. OFDM transmitters: analog representation and DFT-based implementation[J]. IEEE Trans. on Signal Processing, 2003, 51(9): 2450-2453.
  • 5PRIYANTO B E, CODINA H, RENE S, etc. Initial performance evaluation of DFT-spread OFDM based SC-FDMA for UTRA LTE uplink[C]//IEEE 65th Vehicular Technology Conference. N J: Piscataway, 2007:3175-3179.
  • 6OPPENHEIM A V, WILLSKY A S, NAWAB S H. Signals and systems[M]. 2nd ed. Englewood Cliffs, N J: Prentice-Hall, 1997.
  • 7OPPENHEIM A V, SCHAFER R W, BUCK J R. Discrete-time signal processing[M]. 2nd ed. Englewood Cliffs, N J: Prentice-Hall, 1999.
  • 8MUQUET B, WANG Z T, GIANAKIS G B, et al. Cyclic prefixing or zero padding for wireless multicarrier transmissions[J]. IEEE Trans Commun, 2002, 50(2): 2136-2148.
  • 9BOTTOMLEY G E, WILHELMSSON L R. Recycling the cyclic prefix in an OFDM system[C]//VTC-2006 Fall: IEEE 64th Vehicular Technology Conference. N J: Piscataway, 2007: 1783-1787.

引证文献1

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电子科技大学学报
2006年 第5期

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