| 叠加编码技术在水声OFDM通信系统中的应用研究 |
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| 引用本文： | 王华奎,孙海信,蒯小燕,吴碧.叠加编码技术在水声OFDM通信系统中的应用研究[J].声学技术,2015,34(6):501-504. |
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| 作者姓名： | 王华奎 孙海信 蒯小燕 吴碧 |
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| 作者单位： | 水声对抗重点实验室, 广东湛江 524022;水声通信与海洋信息技术教育部重点实验室, 福建厦门 361005;水声通信与海洋信息技术教育部重点实验室, 福建厦门 361005;水声对抗重点实验室, 广东湛江 524022 |
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| 基金项目： | 自然科学基金(2013J01258)、重点项目(2012H1012)资助 |
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| 摘 要： | <正>交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)通信技术由于具有频谱利用率高、抗多径能力强等优点,成为当前水声通信的研究重点和热点。在保证鲁棒性能的前提下,为了能够进一步提高其吞吐量,将叠加编码(Superposition Coding,SC)技术应用于水声OFDM通信系统中,在保证基本信号的同时获得额外的信息。仿真结果和水池实验结果表明:通过选择合适的功率分配因子,叠加编码在保证两路信号误比特率性能的前提下,可以提高系统的吞吐量,具有很好的应用前景。
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| 关 键 词： | 正交频分复用 叠加编码 吞吐量 水声通信 |
| 收稿时间： | 2015/3/15 0:00:00 |
| 修稿时间： | 2015/6/10 0:00:00 |
Applied research on superposition coding technology in underwater acoustic OFDM communication system |
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| WANG Hua-kui,SUN Hai-xin,KUAI Xiao-yan and WU Bi.Applied research on superposition coding technology in underwater acoustic OFDM communication system[J].Technical Acoustics,2015,34(6):501-504. |
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| Authors: | WANG Hua-kui SUN Hai-xin KUAI Xiao-yan and WU Bi |
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| Affiliation: | Science and Technology On Underwater Acoustic Antagonizing Laboratory, Zhanjiang 524022, Guangdong, China;College of Information Science and Technology, Key Laboratory of Underwater Acoustic Communication and Marine Information Technology, Ministry of Education, Xiamen University, Xiamen 361005, Fujian, China;College of Information Science and Technology, Key Laboratory of Underwater Acoustic Communication and Marine Information Technology, Ministry of Education, Xiamen University, Xiamen 361005, Fujian, China;Science and Technology On Underwater Acoustic Antagonizing Laboratory, Zhanjiang 524022, Guangdong, China |
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| Abstract: | Orthogonal frequency division multiplexing (OFDM) technology has become the research focus and hotspot in underwater acoustic communications owing to its advantages such as high spectrum efficiency and robustness to multipath fading. To improve the throughput of the system under the premise of guaranteeing the robust performances, superposition coding technique has been used in the underwater acoustic OFDM system which can transmit multiple data simultaneously. Simulation and experimental results show that the superposition coding technique can improve the throughput of the system under ensuring the BER performance of two signals, which have a very good application prospect. |
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| Keywords: | Orthogonal Frequency Division Multiplexing(OFDM) Superposition Coding(SC) throughput underwater acoustic communication |
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