A Blind Side Information Detection Method for Partial Transmitted Sequence Peak-to-Average Power Reduction Scheme in OFDM Underwater Acoustic Communication System
A Blind Side Information Detection Method for Partial Transmitted Sequence Peak-to-Average Power Reduction Scheme in OFDM Underwater Acoustic Communication System
复制标题
正交频分复用水声通信系统部分发送序列峰均功率降低方案的盲侧信息检测方法
DOI：
10.1109/access.2018.2829620
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发表时间：
2018
期刊：
影响因子：
3.9
通讯作者：
Lu Ma
中科院分区：
文献类型：
--
作者：
Siyu Xing;Gang Qiao;Lu Ma
针对水声正交频分复用（OFDM）通信系统中部分发送序列（PTS）峰均功率比（PAPR）降低方法，提出了一种盲边信息检测方案。该方案采用了一个对应表之间的导频音和相位旋转候选的分布，以获得伪最佳的PTS峰均比降低性能和显着减少的总计算成本。同时，导频音的预定义分布被用于识别已经在发射机处选择和使用的相位旋转因子组合。频谱效率和数据速率不受影响，因为除了用于信道估计的音调之外，提出的PTS技术不需要额外的导频音调。针对水声信道的稀疏特性，采用压缩感知技术完成信道估计和相位旋转检测。与线性信道估计方法相比，基追踪去噪算法减少了导频数目。仿真结果表明，与传统的PTS方案相比，该方案具有更好的PAPR降低性能，并且性能差距随着子块数目的增加而增大。仿真和现场实验结果表明，该方案可以区分相位旋转因子。因此，显著地提高了UWA OFDM通信系统的质量。
In this paper, we propose a blind side information detection scheme for partial transmitted sequence (PTS) peak-to-average power ratio reduction (PAPR) method in underwater acoustic (UWA) orthogonal frequency division multiplexing (OFDM) communication systems. The proposed scheme employs a corresponding table between the distributions of pilot tones and the phase rotation candidates to obtain a pseudo-optimum PTS PAPR reduction performance and a dramatic reduction of the total calculation cost. Meanwhile, predefined distributions of pilot tones are used to identify the phase rotation factor combination that has been selected and used at the transmitter. The spectral efficiency and data rate remain unaffected as the proposed PTS technique requires no additional pilot tones except for the tones used for channel estimation. Due to the sparse characteristic of the underwater acoustic channel, compressed sensing is adopted to complete the channel estimation and the phase rotation detection. The basis pursuit denoising algorithm employed here reduces the number of pilot tones as compared with linear channel estimation method. Simulation results show that the proposed scheme has better PAPR reduction performance compared to the conventional PTS scheme and the performance gap increases with the number of subblocks. Simulation and field experimental results demonstrate that the proposed scheme can differentiate the phase rotation factor. Therefore, the quality of the UWA OFDM communication system is significantly enhanced.
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DOI：
10.1007/s40009-016-0477-6
发表时间：
2016-04
期刊：
National Academy Science Letters
影响因子：
--
作者：
Seyyed Hadi Seyyed Masoumian-Seyyed-Hadi-Seyyed-Masoumian-2404136;B. M. Tazehkand
通讯作者：
Seyyed Hadi Seyyed Masoumian-Seyyed-Hadi-Seyyed-Masoumian-2404136;B. M. Tazehkand
DOI：
10.1007/s11265-008-0238-y
发表时间：
2006-10
期刊：
Journal of Signal Processing Systems
影响因子：
--
作者：
Th. Giannopoulos;Vassilis Paliouras
通讯作者：
Th. Giannopoulos;Vassilis Paliouras
DOI：
--
发表时间：
1999
期刊：
--
影响因子：
--
作者：
José Tellado-Mourelo
通讯作者：
José Tellado-Mourelo
DOI：
--
发表时间：
2013
期刊：
--
影响因子：
--
作者：
Wang We
通讯作者：
Wang We
影响因子：
5.4
作者：
Stephen J. Wright;R. Nowak;Mário A. T. Figueiredo
通讯作者：
Stephen J. Wright;R. Nowak;Mário A. T. Figueiredo