国家自然科学基金(61101090)

作品数：4被引量：26H指数：3
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On design of physical random access channel in high-speed railway LTE systems被引量：11
《Chinese Science Bulletin》2014年第35期5042-5050,共9页Gang Wu Hang Yuan Wei Guo Su Hu Shaoqian Li 
supported by National Natural Science Foundation of China(61032002,61101090 and 61471100)
For the uplink in the long-term evolution(LTE)systems,the physical random access channel(PRACH)adopts Zadoff–Chu(ZC) sequences as preamble sequences,and each user can choose a unique cyclic shift for user identificat...
关键词：随机接入信道 高速铁路 LTE 设计 系统 物理 多普勒频移 频率偏移 
Interference cancellation aided channel estimation for OFDM/OQAM system被引量：9
《Science China(Information Sciences)》2013年第12期159-166,共8页CHENG GuoBing XIAO Yue HU Su LI ShaoQian 
supported in part by Key Laboratory of Universal Wireless Communications, Beijing university of Posts and Telecommunications, Ministry of Education (Grant No. KFKT-2012102);Open Research Fund of National Mobile Communications Research Laboratory, Southeast University (Grant Nos. 2013D05, 2012D03);Fundamental Research Funds for the Central Universities (Grant No. ZYGX2010X003);National Natural Science Foundation of China (Grant No. 61101090)
Abstract Orthogonal frequency division multiplexing offset-QAM （OFDM/OQAM） is a promising multi- carrier transmission technique for its merits such as operating without cyclic prefix （CP） and flexibility of introd...
关键词：OFDM/OQAM channel estimation interference cancellation 
基于并行干扰抵消的OFDM/OQAM系统中的信号检测方法被引量：5
《电子与信息学报》2013年第1期178-184,共7页武刚 胡苏 陈浩 李少谦 
国家863计划重大项目(2011AA01A105);科技部中芬国际科技合作项目(2010DFB10410);国家自然科学基金(61101090);中央高校基本科研业务费(ZYGX2010X003)资助课题
在多径衰落信道中,基于交错正交幅度调制的正交频分复用(OFDM with Offset QAM,OFDM/OQAM)系统使用迫零均衡器进行信号检测时,不能完全消除信道复数特性和滤波器实数正交特性引入的时域符号间干扰和频域子载波间干扰,及信道估计误差导...
关键词：移动通信信号检测 正交频分复用调制 交错正交幅度调制 成形滤波器 并行抵消 
Antenna calibration using channel prediction for time-varying channels被引量：1
《Journal of Modern Transportation》2012年第4期213-219,共7页Yamin SONG Xia LEI Zhaofu KONG Binhong DONG 
supported by the National Natural Science Foundation of China(Nos.61032002,61101090 and 60902026);Chinese Important National Science & Technology Specific Projects(No.2011ZX03001-007-01)
Traditional antenna calibration methods for time division duplex （TDD） systems asSume that the flee-space channel remains the same during calibration, which is unreasonable under the high-speed rail and other time-v...
关键词：TDD channel reciprocity time-varying channel channel prediction antenna calibration 
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