OVERHEAD

作品数：139被引量：115H指数：5
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Sparse Rev-Shift Coded Modulation with Novel Overhead Bound
《China Communications》2023年第10期17-29,共13页Mingjun Dai Wanru Li Chanting Zhang Xiaohui Lin Bin Chen 
supported by research grants from Natural Science Foundation of China(62071304);Guangdong Basic and Applied Basic Research Foundation(2020A1515010381,2022A1515011219,20220809155455002);Basic Research foundation of Shenzhen City(20200826152915001,20190808120415286);Natural Science Foundation of Shenzhen University(00002501);Xinjiang Uygur Autonomous Region Natural Science Foundation General Project(2023D01A60).
To provide reliability in distributed systems,combination property(CP)is desired,where k original packets are encoded into n≥k packets and arbitrary k are sufficient to reconstruct all the original packets.Shift-and-...
关键词：distributed system shift-and-add zigzag decoding sparse coded modulation 
RIS-Assisted Communications in Correlated Rayleigh Channels:Comparison of Training Overhead Reduction Schemes
《China Communications》2022年第12期41-53,共13页Jue Wang Shuaifeng Lu Jing Wang Zhenyu Jiang Rui Tang Ruifeng Gao Yingdong Hu Ye Li 
the National Natural Science Foundation of China under Grants 62171240,61771264,62001254,61971467,the Key Research and Development Program of Jiangsu Province of China under Grant BE2021013-1;the Science and Technology Program of Nantong under Grants JC2021121,JC2021017.
Channel training in reconfigurable intelligent surface(RIS)-assisted communications is usually conducted in an on-off manner,resulting in unaffordable training time overhead when the number of RIS elements is large.In...
关键词：reconfigurable intelligent surface correlated Rayleigh channel training overhead ergodic achievable rate 
Reducing Cyclic Prefix Overhead Based on Symbol Repetition in NB-IoT-Based Maritime Communication被引量：1
《China Communications》2022年第9期1-9,共9页Tian Xiang Daiming Qu Faquan Zhang Dejin Kong 
With the increasing maritime activities,a great demand of wide-area maritime digital data services is needed.Therefore,Narrowband Internet of Things(NB-IoT)that can provide wide coverage has been expected as an applic...
关键词：NB-IoT narrowband physical random access channel cyclic prefix spectral efficiency 
Low Transmission Overhead for Polar Coding Physical-Layer Encryption被引量：1
《China Communications》2019年第2期246-256,共11页Hongxu Jin Rongke Liu Chenyu Zhang 
supported in part by the National Natural Science Foundation of China (Grant No. 61871009)
In this paper, for physical-layer security(PLS), a novel scheme of polar coding encryption is introduced in the wiretap channel(WTC) model. To decrease transmission overhead of the shared secret information and enhanc...
关键词：WIRETAP channel polar codes physical-layer security CRYPTOGRAPHY attack 
Locally Minimum Storage Regenerating Codes in Distributed Cloud Storage Systems被引量：2
《China Communications》2017年第11期82-91,共10页Jing Wang Wei Luo Wei Liang Xiangyang Liu Xiaodai Dong 
supported in part by the National Natural Science Foundation of China (61640006, 61572188);the Natural Science Foundation of Shaanxi Province, China (2015JM6307, 2016JQ6011);the project of science and technology of Xi’an City (2017088CG/RC051(CADX002))
In distributed cloud storage systems, inevitably there exist multiple node failures at the same time. The existing methods of regenerating codes, including minimum storage regenerating(MSR) codes and minimum bandwidth...
关键词：distributed cloud storage systems minimum storage regenerating(MSR) codes locally repairable codes(LRC) repair bandwidth overhead disk I/O overhead 
Event-Oriented Dynamic Security Service for Demand Response in Smart Grid Employing Mobile Networks
《China Communications》2015年第12期63-75,共13页GUO Longhua DONG Mianxiong Kaoru Ota WU Jun LI Jianhua 
supported by National Natural Science Foundation of China(Grant No. 61401273 and 61431008);Doctoral Scientific Fund Project of the Ministry of Education of China(No.20130073130006);JSPS KAKENHI Grant Number 15K15976,26730056,JSPS A3 Foresight Program
Equipped with millions of sensors and smart meters in smart gird,a reliable and resilient wireless communication technology is badly needed.Mobile networks are among the major energy communication networks which contr...
关键词：dynamically smart overhead infrastructure broadcast badly password electricity prototype authentication 
A Low-Overhead Energy-Efficient ARQ Protocol for Wireless Sensor Networks被引量：2
《China Communications》2014年第10期74-87,共14页WEI Yunkai MAO Yuming LENG Supeng HUANG Wentao 
partly supported by the National Key Technology Research and Development Program of China under Grant No.2011BAK12B02;the National Natural Science Foundation of China under Grant No.61104042;the National S&T Major Project of China under Grant No.2010ZX03005-003;the Program for New Century Excellent Talents in University(NCET-10-0294),China;the National Natural Science Foundation of China under Grant No.60832007
Wireless sensor network(WSN) is a typical kind of low-power and lossy network,in where ARQ(Automatic Repeat reQuest)schemes are often used to improve packets reliability.However,the ARQ related packets may incur signi...
关键词：ARQ ARQ＋ wireless sensornetwork energy saving low overhead 
Relay Scheme Based on Distributed Luby Transform Codes for InterPlaNetary Internet
《China Communications》2013年第10期1-11,共11页苟亮 张更新 边东明 薛峰 胡婧 
supported by the National Natural Science Foundation of China under Grant No.61032004;the National High Technology Research and Development Program of China (863 Program) under Grants No.2012AA121605,No.2012AA01A503,No.2012AA01A510
Distributed Luby Transform （DLT） codes have been proposed to improve the robustness and system throughputs for multisource single-sink networks by exploiting the benefits of Network Coding （NC） at a single relay. ...
关键词：DLT codes Network Coding relay networks decoding overhead 
Clustering Approaches for Overhead Reduction over Coordinated Multiple Points Network-MIMO Downlink Systems
《China Communications》2010年第5期103-111,共9页Xiao Shanghui Zhang Zhongpei Shi Zhiping 
Owing to the potential for intercell cochannel interference mitigation and significant spectral efficiency improvement, coordinating transmission techniques by multiple radio access points have recently attracted a lo...
关键词：overhead reduction clustering approa-ches SUPERCELL MIMO ss STEMS cooperative com-munication 
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