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HUO Yong-qing, PENG Qi-cong, SHAO Huai-zong. Adaptive Power and Bit Allocation in Multicarrier Systems[J]. Journal of Electronic Science and Technology, 2007, 5(1): 13-17.
Citation: HUO Yong-qing, PENG Qi-cong, SHAO Huai-zong. Adaptive Power and Bit Allocation in Multicarrier Systems[J]. Journal of Electronic Science and Technology, 2007, 5(1): 13-17.

Adaptive Power and Bit Allocation in Multicarrier Systems

Funds:

Supported by the National Natural Science Foundation of China (No.60496313)

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  • Author Bio:

    HUO Yong-qing research interests include adaptive modulation and coding in wireless communication, hyq980132@163.com

  • Received Date: 2006-04-24
  • Publish Date: 2007-03-25

通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Adaptive Power and Bit Allocation in Multicarrier Systems

Funds:

Supported by the National Natural Science Foundation of China (No.60496313)

  • Author Bio:

Abstract: We present two adaptive power and bit allocation algorithms for multicarrier systems in a frequency selective fading environment. One algorithm allocates bit based on maximizing the channel capacity, another allocates bit based on minimizing the bit-error-rate (BER). Two algorithms allocate power based on minimizing the BER. Results show that the proposed algorithms are more effective than Fischer's algorithm at low average signal-to-noise ration (SNR). This indicates that our algorithms can achieve high spectral efficiency and high communication reliability during bad channel state. Results also denote the bit and power allocation of each algorithm and effects of the number of subcarriers on the BER performance.

HUO Yong-qing, PENG Qi-cong, SHAO Huai-zong. Adaptive Power and Bit Allocation in Multicarrier Systems[J]. Journal of Electronic Science and Technology, 2007, 5(1): 13-17.
Citation: HUO Yong-qing, PENG Qi-cong, SHAO Huai-zong. Adaptive Power and Bit Allocation in Multicarrier Systems[J]. Journal of Electronic Science and Technology, 2007, 5(1): 13-17.

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