Block coded modulation for the reduction of the peak-to-average power ratio in OFDM systems

Pingyi Fan; Xiang-Gen Xia

doi:10.1117/12.351235

24 June 1999 Block coded modulation for the reduction of the peak-to-average power ratio in OFDM systems

Pingyi Fan, Xiang-Gen Xia

Proceedings Volume 3708, Digital Wireless Communication; (1999) https://doi.org/10.1117/12.351235
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

In this paper, we propose a block coded modulation (BCM) technique to reduce the peak to average power ratio (PAPR) in OFDM systems. In the proposed technique, binary blocks are mapped to M-ary blocks and M-ary blocks of small sizes with low PAPR are selected. Large size M-ary blocks with low PAPR are constructed by using the selected small size M-ary blocks. Similar to trellis coded modulation, with this technique variable rates ranging from 1 to a rate much higher than 1 of BCM can be obtained upon different requirements of the random error correction capability in the system, given that the PAPR is below a fixed value. PAPR gain is defined by comparing with the uncoded OFDM system. Optimal coding gain for the BCM given a PAPR gain is also obtained in various cases.

Citation Download Citation

Pingyi Fan and Xiang-Gen Xia "Block coded modulation for the reduction of the peak-to-average power ratio in OFDM systems", Proc. SPIE 3708, Digital Wireless Communication, (24 June 1999); https://doi.org/10.1117/12.351235

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