国家自然科学基金(61072008)

作品数:6被引量:1H指数:1
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相关作者:张永健王东昱更多>>
相关机构:北方工业大学国际关系学院更多>>
相关期刊:《太原理工大学学报》《Chinese Optics Letters》《电路与系统学报》更多>>
相关主题:MIMO系统RSCOLORLESSXPMSOA-MZI更多>>
相关领域:电子电信建筑科学自动化与计算机技术更多>>
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MIMO系统中基于对数似然比排序的干扰消除
《电路与系统学报》2013年第2期62-66,共5页王东昱 张永健 
国家自然科学基金项目(61072008);北京市优秀人才培养资助计划(2011D005002000005);北方工业大学青年重点科研基金
本文提出适用于MIMO系统中,基于对数似然比排序进行干扰消除的检测算法。本算法首先计算成对符号的对数似然比,根据似然比逐行计算对应的判决率,并对各行的判决率从小到大排序进行逐行消除。通过为成对符号建立对数似然比,可以根据最大...
关键词:MIMO系统 垂直的贝尔实验室空时方案 对数似然比 噪声消除 
All-optical format conversion of NRZ-OOK to QPSK and 16QAM signals via XPM in a SOA-MZI被引量:1
《Chinese Optics Letters》2013年第3期11-14,共4页展月英 张民 刘明涛 刘磊 陈雪 
supported by the National Natural Science Foundation of China(No.61072008);the National "863"P roject of China(No.2012AA011302);the Fundamental Research Funds for Central Universities(Nos.2009GYBZ and2009RC0401);the Beijing Municipal Education Commission Science and Technology Programs(Nos.KM200610009014 and KM201110009001)
This letter proposes a scheme for the format conversion of on-off keying (OOK) signal to quadrature phase-shift keying (QPSK) and 16-ary quadrature amplitude modulation (16QAM) signals via cross-phase modulation...
关键词:Phase modulation 
Experimental and theoretical analyses of RSOA-based colorless-ONUs with 4PAM signal in the up-link
《Chinese Optics Letters》2012年第9期17-21,共5页展月英 张民 刘磊 刘明涛 刘卓 陈雪 
supported by the National Natural Science Foundation of China (No. 61072008);the National"863" Program of China (No. 2009AA01Z255);the National "111" Program of China (No. B07005);the New Star Program of Beijing Science and Technology (No.2007A048);the Fundamental Research Funds for Central Universities (Nos. 2009GYBZ and 2009RC0401);the Program for Excellent Talents in Beijing University of Posts and Telecommunications
A scheme that utilizes the 4-level pulse-amplitude-modulated (4PAM) signal as the re-modulated signal of colorless optical network units (ONUs) based on reflection semiconductor optical amplifiers (RSOAs) is pro...
关键词:Fiber optic networks Semiconductor optical amplifiers Single mode fibers 
Experimental demonstration of RSOA-based WDM PON with PPM-encoded downstream signals
《Chinese Optics Letters》2012年第7期30-33,共4页刘磊 张民 刘明涛 张小频 
supported by the National Natural Science Foundation of China(No.61072008);the National "863" Project of China(No.2009AA01z255);the National "111" Project of China(No.B07005);the Beijing New Star Programme of Science and Technologies(No. 2007A048);the Fundamental Research Funds for Central Universities(Nos.2009GYBZ and 2009RC0401);the Program for Excellent Talents in BUPT
Pulse position modulation (PPM) is introduced downstream of the reflective semiconductor optical am- plifier (RSOA)-based single-fiber full-duplex bidirectional wavelength division multiplex passive optical netwo...
关键词:Passive optical networks Semiconductor optical amplifiers 
MIMO系统中信道估计与序列联合检测
《太原理工大学学报》2011年第6期559-562,共4页张永健 王东昱 
国家自然科学基金(61072008);北方工业大学青年重点科研基金资助
提出了MIMO系统中基于EM(Expectation Maximization)-SD(Sphere Decoding)相结合的信道估计和检测的联合处理算法。在采用EM-SD算法进行联合处理时,首先通过观测数据、训练序列及以前估计的符号对信道信息进行更新,随后把更新后的信道...
关键词:MIMO EM迭代算法 SD算法 训练序列 完备数据 
Design and analysis of flexible colorless remote node using RSOA-assisted Michelson interferometer
《Chinese Optics Letters》2011年第2期23-26,共4页刘磊 张民 刘明涛 张小频 叶培大 
supported by the National Natural Science Foundation of China (No. 61072008);the "863"Program of China (No. 2009AA01z255);the "111"Project of China (No. B07005);the Beijing New Star Program of Science and Technologies (No. 2007A048);Fundamental Research Funds for Central Universities(Nos. 2009GYBZ and 2009RC0401);the Program for Excellent Talents in BUPT
A scheme of flexible colorless remote note with reflective semiconductor optical amplifier (RSOA) assisted Michelson interferometer is proposed. This is capable of generating an optical carrier suppressed signal at ...
关键词:Fiber optic networks Michelson interferometers Optical instruments Radio broadcasting Radio transmission Semiconductor optical amplifiers 
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