国家自然科学基金(61032006)

作品数：6被引量：5H指数：2
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相关作者：陈德元张灿郭振永高绍帅鄢懿更多>>
相关机构：中国科学院大学更多>>
相关期刊：《Chinese Journal of Electronics》《中国科学院大学学报（中英文）》《电子与信息学报》《China Communications》更多>>
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Pseudo-Channel Matrix Truncation Based Spatial Correlation Mitigation in Massive MIMO
《China Communications》2021年第9期130-147,共18页Yitian Chen Shaoshuai Gao Guofang Tu Hao Qiu 
National Key R&D Program of China(2017YFB0403604);the Fundamental Research Funds for the Central Universities(No.292021000242);the National Natural Science Foundation of China(Grant No.61571416,61072045,61032006)。
Massive multiple-input multiple-output(MIMO),a technique that can greatly increase spectral efficiency(SE)of cellular networks,has attracted significant interests in recent years.One of the major limitations of massiv...
关键词：massive MIMO pilot contamination pseudo-channel matrix spatial correlation superim-posed pilots. 
基于混沌密钥控制的联合信源信道与安全算术码编译码算法被引量：3
《电子与信息学报》2016年第10期2553-2559,共7页鄢懿 张灿 郭振永 高绍帅 陈德元 
国家自然科学基金(61571416,61271282,61032006)~~
该文针对深空通信、移动通信等资源受限网络中的信息有效性、可靠性和安全性传输,提出一种基于混沌密钥控制的联合信源信道与安全算术码编译码算法。该算法在编码端通过混沌映射1控制在算术码内嵌入多个禁用符号,将信道编码检错与密码...
关键词：联合信源信道与安全编译码 算术码 禁用符号 混沌映射 
Towards Practical Distributed Video Coding for Energy-Constrained Networks
《Chinese Journal of Electronics》2016年第1期121-130,共10页CAO Yue GAO Shaoshuai ZHANG Can QIU Gengfeng 
supported by the National Natural Science Foundation of China(No.61072045,No.61032006,No.61271282,No.61571416);"Science100 Program"of the Chinese Academy of Sciences(No.Y12901HEA2)
Most of current distributed video codecs are developed based on the structure of Stanford scheme that employs channel coding like LDPC and Turbo codes.However, they need many times of iteration and feedback,which brin...
关键词：Distributed video coding Modulo oper-ation Coset codes Side information. 
基于Turbo码的比特级联合信道安全编译码(英文)
《中国科学院大学学报（中英文）》2014年第6期806-813,共8页吴广哲 陈德元 张灿 
Supported by the State Key Program of National Natural Science Foundation of China(61032006);National Natural Science Foundation of China(61271282);Award Foundation of Chinese Academy of Sciences(2069901)
联合信道安全编码将信道编码作为加密系统实现了纠错与加密的合二为一.本文采用基于密钥控制随机删余的Turbo码来实现联合信道安全编码.针对目前普遍采用的Turbo码迭代译码方案计算量大、译码延时长和功耗大的问题,采用一种新的比特级...
关键词：联合信道安全 比特级终止 部分迭代 窗口机制 TURBO译码 
Joint Source Channel safety and Virtual User Identification Method for Wireless Ad Hoc Networks
《Chinese Journal of Electronics》2011年第2期273-277,共5页TU Guofang ZHANG Can FAN Lian GAG Shaoshuai LV Shuwang ZHAO Heping 
This work is supported by the National Natural Science Foundation of China Key Project （No.61032006, No.60773137, No.60972067）, Award Foundation of Chinese Academy of Sciences （No.2069901）.
In this paper, a novel joint source channel safety and virtual user identification method for DS- CDMA ad hoc networks is proposed. Previous algorithms for DS-CDMA ad hoc networks mainly concentrated on how to solve p...
关键词：Ad hoc networks Joint source channel safety Virtual user identification. 
Joint Source-Channel En/Decoding Based on a New Symbol-Level Joint Trellis被引量：2
《Chinese Journal of Electronics》2011年第1期114-120,共7页TU Guofang LIU Jianjun ZHANG Can WANG Qiang 
This work is supported by the National Natural Science Foundation of China （No.61032006, No.60773137, No.60972067）, Award Foundation of Chinese Academy of Sciences （No.2069901）.
A joint source-channel en/decoding scheme based on a new symbol -level joint trellis for the Variable length coding （VLC） is presented. In the encoder part, the serial VLC and a Recursive systematic convolutional （...
关键词：Joint source-channel decoding Variable length coding Turbo codes Iterative decoding Residual source redundancy 
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