| 一种短波动态频谱接入系统的设计 |
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| 引用本文： | 耿志,李钊,李俊山. 一种短波动态频谱接入系统的设计[J]. 无线电通信技术, 2010, 36(6): 8-9,13 |
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| 作者姓名： | 耿志 李钊 李俊山 |
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| 作者单位： | [1]第二炮兵工程学院,陕西西安710025 [2]驻石家庄地区军事代表室,河北石家庄050081 |
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| 摘 要： | 为了有效利用空闲频谱,提高短波频段频谱资源的利用率,采用TMS320VC5502为信号处理核心,TLV320AIC10为输入模拟信号滤波和A/D转换芯片的一种短波动态频谱接入系统的设计,并完成了相应的软件开发。实验结果表明:所设计系统的平均建链时间小于10 s,建链概率大于92%。当数据传输速率为600 baud时,报文的正确接收概率大于90%;数据传输速率为1200 baud时,报文的正确接收概率大于80%。而且平均错误字符的概率达到10-4数量级,能够充分满足短波普通通信业务的需求。
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| 关 键 词： | 认知无线电 动态频谱接入系统 频谱感知 |
Design of a Dynamic Spectrum Access System |
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| GENG Zhi,LI Zhao,LI Jun-shan. Design of a Dynamic Spectrum Access System[J]. Radio Communications Technology, 2010, 36(6): 8-9,13 |
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| Authors: | GENG Zhi LI Zhao LI Jun-shan |
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| Affiliation: | 1.The Second Artillery Engineering College,Xi＇an Shaanxi 710025,China2.The Military Representative Office in Shijiazhuang,Shijiazhuang Hebei 050081,China) |
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| Abstract: | In order to improve the utilization of the HF spectrum,the hardware design of dynamic spectrum access system based on the processor TMS320VC5502 and the A/D converter TLV320AIC10 was completed.The software development of this system was also accomplished.The test result indicated that the average chaining time is less than ten seconds,and the success chaining probability is more than 92 percent.The correct receiving probability is more than 90 percent when the transmission rate is 600 bauds,the correct receiving probability is more than 80 percent when the transmission rate is 1200 bauds.The average probability of error character is down to the magnitude of 10-4.So it can concluded that the design system can meet the requirement of HF communication sufficiently. |
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| Keywords: | cognitive radio dynamic spectrum access system spectrum sensing |
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