| 新的扩频通信调制方法 |
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| 引用本文： | 康家方,王红星,赵志勇,毛忠阳,刘锡国,刘传辉. 新的扩频通信调制方法[J]. 通信学报, 2013, 34(5): 9-87. DOI: 10.3969/j.issn.1000-436x.2013.05.009 |
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| 作者姓名： | 康家方 王红星 赵志勇 毛忠阳 刘锡国 刘传辉 |
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| 作者单位： | 1. 海军航空工程学院 电子信息工程系，山东 烟台 264001；2. 山东省信号与信息处理重点实验室，山东 烟台 264001 |
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| 基金项目： | 国家自然科学基金资助项目(60772056)，山东省“泰山学者”建设工程专项经费基金资助项目 |
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| 摘 要： | 针对传统扩频调制方法频谱效率低的问题，提出了一种新的扩频通信方法——时移位置调制方法，该方法利用伪随机序列良好的自互相关特性，通过扩频调制码元之间的相对位置加载信息，建立了信息传输速率与扩频码或扩频调制带宽之间的联系。理论分析和仿真结果表明，这种调制方法可以大大提高扩频系统的频带利用率，并可有效对抗宽带、窄带以及扩频干扰，为扩频通信技术的研究提供了一种新方法。
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| 关 键 词： | 扩频通信；时移位置调制；频带利用率；伪随机码 |
Novel method of spread spectrum communication |
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| Jia-fang KANG,Hong-xing WANG,Zhi-yong ZHAO,Zhong-yang MAO,Xi-guo LIU,Chuan-hui LIU. Novel method of spread spectrum communication[J]. Journal on Communications, 2013, 34(5): 9-87. DOI: 10.3969/j.issn.1000-436x.2013.05.009 |
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| Authors: | Jia-fang KANG Hong-xing WANG Zhi-yong ZHAO Zhong-yang MAO Xi-guo LIU Chuan-hui LIU |
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| Affiliation: | 1. Department of Electronic and Information Engineering,Naval Aeronautical and Astronomical University,Yantai 264001,China;2. Key Laboratory on Signal ＆ Information Processing of Shandong Province,Yantai 264001,China |
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| Abstract: | As the bandwidth efficiency of traditional spread spectrum modulation is quite low, a novel spread spectrum communication method, which uses the relative position of the spread spectrum modulation symbol to carry information was presented, and the method establishes the relationship between the information transfer rate and the spreading code or the transmission bandwidth. Theoretical analysis and simulation results show that the modulation method can not only greatly improve the bandwidth efficiency of the spread spectrum system, but also effectively combat broadband, narrowband or other spread spectrum interference. This method provides some novel ideas for the future research of spread spectrum communications. |
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| Keywords: | spread spectrum communication time shift position modulate bandwidth efficiency pseudo-random code |
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