| 基于USB3.0的GPP软件无线电系统的硬件平台设计 |
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| 引用本文： | 徐永,齐心,陶智勇. 基于USB3.0的GPP软件无线电系统的硬件平台设计[J]. 电子技术应用, 2013, 0(2): 103-106 |
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| 作者姓名： | 徐永 齐心 陶智勇 |
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| 作者单位： | 武汉邮电科学研究院;清华大学信息科学与技术国家实验室 |
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| 基金项目： | 国家重大专项(20122x03001017-002);863资助项目(2012AA011402);东南大学重点实验室开放课题(2012D02);清华大学自主科研项目(2010TH203-2) |
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| 摘 要： | 针对基于通用处理器(GPP)的软件无线电(SDR)系统的基带数据传输问题,提出了一种基于USB3.0接口的WCDMA软件无线电系统的硬件平台。基于WCDMA系统的要求,选择了USB3.0控制器、FPGA和DDRII组成的硬件平台,最终实现了WCDMA系统基带数据的高吞吐率、低延时传输,并验证了USB3.0技术在WCDMA系统中应用的可行性。实验结果表明,在基于USB3.0的GPP软件无线电系统中,USB3.0的接口速率能达到200 Mb/s,系统的回环延迟时间为0.7 ms左右,能够满足WCDMA系统的需求。
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| 关 键 词： | USB3.0 软件无线电 WCDMA |
Hardware platform design for GPP software-defined radio system based on USB 3.0 |
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| Xu Yong,Qi Xin,Tao Zhiyong. Hardware platform design for GPP software-defined radio system based on USB 3.0[J]. Application of Electronic Technique, 2013, 0(2): 103-106 |
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| Authors: | Xu Yong Qi Xin Tao Zhiyong |
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| Affiliation: | 1(1.Wuhan Research Institute of Posts and Telecommunications,Wuhan 430074,China;2.National Laboratory of Information Science and Technology,Tsinghua University,Beijing 100084,China) |
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| Abstract: | This paper presents a hardware platform based on USB 3.0 interface for the baseband data transmission of software defined radio(SDR) system with general purpose processor(GPP).The platform which is made up of USB 3.0 controller,FPGA and DDRII implements the baseband data transmission of WCDMA under the requirement of high throughput and low latency.According to our analysis and test,the loopback delay time of the platform is around 0.7 millisecond and the throughput of the platform is up to 200 Mb /s,which meets the system requirement of WCDMA. |
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| Keywords: | USB3.0 SDR WCDMA |
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