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1. 中国科学院上海微系统与信息技术研究所 上海 200050
2. 中国科学院无线传感网与通信重点实验室 上海 200335
3. 上海无线通信研究中心 上海 200335
[ "彭俊宇,男,中国科学院上海微系统与信息技术研究所硕士生,主要研究方向为无线通信系统物理层关键技术。" ]
[ "蔡孙增,男,中国科学院上海微系统与信息技术研究所博士生,主要研究方向为无线通信物理层信道估计均衡、同步等算法及可见光通信系统中的非线性后失真算法。" ]
[ "朱正航,男,上海无线通信研究中心工程师,主要研究方向为无线通信系统物理层算法与原型系统设计实现。" ]
[ "徐景,男,博士,中国科学院上海微系统与信息技术研究所副研究员,上海无线通信研究中心研发二部部长,主要研究方向为中继技术、B3G/4G通信系统网络构架设计及资源管理。" ]
[ "周婷,女,博士,中国科学院上海微系统与信息技术研究所助理研究员,上海无线通信研究中心科研开发部部长,主要研究方向为中继技术、终端短距离直接通信及物理层网络编码。" ]
网络出版日期:2014-06,
纸质出版日期:2014-06-20
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彭俊宇, 蔡孙增, 朱正航, 等. 基于MIMO-OFDM的高频段Gbit/s通信系统设计和实现[J]. 电信科学, 2014,30(6):95-101.
Junyu Peng, Sunzeng Cai, Zhenghang Zhu, et al. Design and Implementation of High Frequency Broadband Gbit/s System Based on MIMO-OFDM[J]. Telecommunications science, 2014, 30(6): 95-101.
彭俊宇, 蔡孙增, 朱正航, 等. 基于MIMO-OFDM的高频段Gbit/s通信系统设计和实现[J]. 电信科学, 2014,30(6):95-101. DOI: 10.3969/j.issn.1000-0801.2014.06.015.
Junyu Peng, Sunzeng Cai, Zhenghang Zhu, et al. Design and Implementation of High Frequency Broadband Gbit/s System Based on MIMO-OFDM[J]. Telecommunications science, 2014, 30(6): 95-101. DOI: 10.3969/j.issn.1000-0801.2014.06.015.
目前6 GHz以下频段已经相当拥挤,低速移动环境下高速率无线通信的需求却日益增长。为了缓解上述问题,设计了基于MIMO-OFDM的高频段Gbit/s通信系统。简要描述了系统的基本结构,并介绍了同步、信道估计和多天线检测等物理层关键算法。在FPGA硬件平台上实现了所设计的高频段Gbit/s通信系统,并在室内环境下对系统的传输带宽、传输速率等参数进行测试。测试结果表明,搭建的硬件平台基本符合系统的设计要求。
Spectrum bands below 6 GHz have been crowded currently
but demand for high speed wireless communication in low speed environment is growing.Research and development of high-frequency wireless communication system is an important way to alleviate this problem.System structure for high frequency broadband communication was proposed.Physical layer key algorithm such as synchronization
channel estimation and MIMO detection was described briefly.The high frequency broadband Gbit/s system based on MIMO-OFDM was implemented on FPGA based hardware platform.Bandwidth and data rate of the system was tested in indoor environment.Test result shows that performance of the system conforms to design requirements.
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3GPP TS 36.104-2013.3rd Generation Partnership Project;Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access(E-UTRA); Base Station(BS) Radio Transmission and Reception(Release 11) , 2013
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Schenk T C W , Van Zelst A . Frequency synchronization for MIMO OFDM wireless LAN systems . Proceedings of IEEE 58th VTC 2003-Fall , Orlando,FL,USA , 2003 : 781 ~ 785
Stuber G L , Barry J R , McLaughlin S W , 等 . Broadband MIMO-OFDM wireless communications . Proceedings of the IEEE , 2004 , 92 ( 2 ): 271 ~ 294
Van Zelst A , Schenk T C W . Implementation of a MIMO OFDM-based wireless LAN system . IEEE Transactions on Signal Processing , 2004 , 52 ( 2 ): 483 ~ 494
B arhumi I , Leus G , Moonen M . Optimal traini ng design for MIMO OFDM systems in mobile wireless channels . IEEE Transactions on Signal Processing , 2003 , 51 ( 6 )
Minn H , Al-Dhahir N . Optimal training signals for MIMO OFDM channel estimation . IEEE Transactions on Wireless Communications , 2006 , 5 ( 5 )
Hu D , Yang L X , Shi Y H , 等 . Optimal pilot sequence design for channel estimation in MIMO OFDM systems . IEEE Communications Letters , 2006 , 10 ( 1 )
Lee D H . OFDMA uplink ranging for IEEE 802.16e using modified generalized chirp-like polyphase sequences . Proceedings of the First IEEE and IFIP International Conference in Central Asia on Source , Bishkek , 2005
Li X , Huang H , Foschini G J , et al . Effects of iterative detection and decoding on the performance of BLAST . Proceedings of IEEE Global Telecommunications Conference , San Francisco,USA , 2000 : 1061 ~ 1066
Chiueh T D , Tsai P Y . OFDM Baseband Receiver Design for Wireless Communications . Wiley , 2007
Lai I W , Ascheid G , Meyr H et al . Efficient channel-adaptive MIMO detection using just-acceptable error rate . IEEE Transactions on Wireless Communications , 2011 , 10 ( 1 ): 73 ~ 83
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