BANDWIDTH

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When the gain of predictive resource allocation for content delivery is large?被引量：3
《Science China(Information Sciences)》2023年第12期175-189,共15页Chenzuo ZHANG Jia GUO Chenyang YANG 
supported by Key Project of National Natural Science Foundation of China (Grant No.61731002)。
By predicting future information such as data rate with sensory wireless data,radio resources can be pre-allocated for content delivery.Such an integrated sensing and communications technique can help improve network ...
关键词：predictive resource allocation performance analysis average data rates residual bandwidth user mobility 
Explicit construction of minimum bandwidth rack-aware regenerating codes被引量：1
《Science China(Information Sciences)》2022年第7期263-264,共2页Liyang ZHOU Zhifang ZHANG 
supported in part by National Key R&D Program of China (Grant No.2020YFA0712300);National Natural Science Foundation of China (Grant No. 61872353)。
Dear editor, Erasure codes are increasingly adopted in modern storage systems (such as Windows Azure Storage [1] and Facebook storage [2]) to ensure fault-tolerant storage with low redundancy. Meanwhile, efficient rep...
关键词：EDITOR repair FAULT 
Storage and repair bandwidth tradeoff for heterogeneous cluster distributed storage systems被引量：2
《Science China(Information Sciences)》2020年第2期131-145,共15页Jingzhao WANG Yuan LUO Kenneth W.SHUM 
partially supported by National Natural Science Foundation of China(Grant No.61571293);China Program of International S&T Cooperation(Grant No.2016YFE0100300);SJTU-CUHK Joint Research Collaboration Fund 2018.
The storage and repair bandwidth tradeoff is an important issue in distributed storage systems(DSSs)where large scale data are stored in multiple nodes with erasure coding to ensure reliability.There are lots of studi...
关键词：distributed STORAGE system CLUSTER separate NODE REPAIR BANDWIDTH information flow graph 
Storage and repair bandwidth tradeoff for distributed storage systems with clusters and separate nodes被引量：1
《Science China(Information Sciences)》2018年第10期59-75,共17页Jingzhao WANG Tinghan WANG Yuan LUO 
supported by National Natural Science Foundation of China (Grant No. 61571293);China Program of International S&T Cooperation (Grant No. 2016YFE0100300);SJTU-CUHK Joint Research Collaboration Fund 2018
The optimal tradeeff between node storage and repair bandwidth is an important issue for dis-tributed storage systems （DSSs）. For realistic DSSs with clusters, while repairing a failed node, downloadingmore data fro...
关键词：distributed storage system cluster separate node repair bandwidth communication cost 
A four-channel time-interleaved 30-GS/s 6-bit ADC in 0.18 μm SiGe BiCMOS technology被引量：1
《Science China(Information Sciences)》2017年第12期279-281,共3页Xiaoge ZHU Danyu WU Lei ZHOU Yinkun HUANG Jin WU Xinyu LIU 
supported in part by National High Technology Research and Development Program of China(863 Program)(Grant No.2013AA011201);Wuhan Research Institute of Posts and Telecommunications(WRI)
Dear editor,Analog-to-digital converters（ADCs）with GHz bandwidth have widely been used in wideband communication systems,data acquisition systems and test and measurement instruments.As key elements of these systems...
关键词：wideband instruments perfectly EDITOR BANDWIDTH SIGE calibration foreground ANALOG SFDR 
Pricing the spare bandwidth: towards maximizing data center's profit
《Science China(Information Sciences)》2016年第10期46-55,共10页Yong ZHAN Du XU Hongfang YU 
supported by National High Technology Research and Development Program of China (Grant No. 2015AA016102);National Key R&D Program (Grant No. 2016YFB0800100);Ministry of Education - China Mobile Research Fund (Grant No. 20130131);Natural Science Foundation of China grant (Grant No. 61271171)
To provide tenants with predictable network performance, tenants are allowed to purchase specified amount of data center network （DCN） resources （e.g., bandwidth）. Then, data center will reserve the purchased reso...
关键词：spare bandwidth data center network （DCN） bandwidth reservation work conserving pricing/tariff 
Flow-based queue management for fairness control in high-bandwidth network
《Science China(Information Sciences)》2016年第6期257-259,共3页Wonjun CHOI Ramneek SEKHON Woojin SEOK 
upported by Korea Institute of Science and Technology Information (KISTI) (User-based research network services) (Grant No. K-14-L01-C03-S03)
Dear editor,With the development of information equipment and growth of broadband network,the progress of Internet has changed from the network with modem speed in the past to the high-bandwidth.The essential problem ...
关键词：bandwidth queue fairness modem congestion distributing throughput packet editor broadband 
Adaptive joint bandwidth and power allocation in heterogeneous wireless access environment
《Science China(Information Sciences)》2014年第6期85-98,共14页YAN JiLei LI JianDong ZHAO LinJing 
supported by the National Basic Research Program of China(973 Program;Grant No.2009CB320404);National Science Foundation(Grant No.61231008);National Natural Science Foundation(Grant No.60902032);PCSIRT(IRT0852);Teaching Research Award Program for Outstanding Young Teachers in Higher Education Institutions of MOE,PRC;111 Project(B08038);National S&T Major Project(2009ZX03007-004)
Joint bandwidth and power allocation for a multi-radio access（MRA）system in a heterogeneous wireless access environment is studied.Since both the number of users being served by the system and the wireless channel s...
关键词：heterogeneous wireless networks multi-radio access system resource allocation network utility maximization adaptive stepsize 
A suboptimal joint bandwidth and power allocation for cooperative relay networks:a cooperative game theoretic approach被引量：4
《Science China(Information Sciences)》2013年第7期60-71,共12页ZHANG GuoPeng DING EnJie YANG Kun LIU Peng 
supported by National Natural Science Foundation of China (Grant No. 60972059);Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD);Fundamental Research Funds for the Central Universities (Grant No. 2010QNA27, 2011QNB26);China Postdoctoral Science Foundation (Grant No. 20100481185);the Postdoctoral Research Funds of Jiangsu Province of China (GrantNo. 1101108C)
In commercial networks, user nodes operating on batteries are assumed to be selfish to consume their resources （i.e., bandwidth and power） solely maximizing their own benefits （e.g., the received signal-to- noise r...
关键词：cooperative relay resource allocation cooperative game theory Nash bargaining solution Pareto optimal 
Energy efficient downlink MIMO transmission with linear precoding被引量：4
《Science China(Information Sciences)》2013年第2期85-96,共12页XU Jie LI ShiChao QIU Ling SLIMANE Ben S. YU ChengWen 
supported by International Science and Technology Cooperation Program (Sino-Swedish Coop-erative Program 2008DFA12160);National Basic Research Program of China (Grant No. 2007CB310602);Huawei Technologies Company Limited, Shanghai, China
Energy efficiency （EE） is becoming increasingly important for wireless cellular networks. This paper addresses EE optimization problems in downlink multiuser MIMO systems with linear precoding. Referring to differen...
关键词：energy efficiency downlink multiuser MIMO linear precoding bandwidth/power optimization mode switching low complexity 
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