Variable and Fixed Power Adaptive Turbo Coded Modulation for OFDM Transmissions(Wireless Communication Technology)

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概要

• 論文の詳細を見る

• In this letter, we propose an adaptive turbo coded modulation scheme for orthogonal frequency division multiplexing (OFDM), and three power allocation algorithms with transmit power variable over subcarriers, variable over subbands and constant over subcarriers. Our object is to improve the overall throughput under target bit-error-rate (BER). Simulation results show that our fixed power adaptation scheme exhibits a more than 7 dB signal-noise-ratio (SNR) gain relative to non-adaptive turbo coded modulation, and an about 2 dB additional gain can be achieved with our variable power algorithm employed. We also discuss the effect of the number of subbands on throughput performance in our adaptive scheme.

• 一般社団法人電子情報通信学会の論文
• 2004-06-01

著者

• Zhou Shidong

  Department Of Electronic Engineering Tsinghua University

• She Xiaoming

  Department Of Electronic Engineering Tsinghua University

• WANG Anchun

  Department of Electronic Engineering, Tsinghua University

• YAO Van

  Department of Electronic Engineering, Tsinghua University

• Yao Van

  Department Of Electronic Engineering Tsinghua University

• Wang Anchun

  Department Of Electronic Engineering Tsinghua University

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