POWER_CONTROL

作品数：208被引量：333H指数：7
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Covert communication with beamforming over MISO channels in the finite blocklength regime被引量：5
《Science China(Information Sciences)》2021年第9期183-197,共15页Xinchun YU Yuan LUO Wen CHEN 
This work was supported by National Natural Science Foundation of China(Grant No.61871264)。
This paper considers beamforming techniques for covert communication over multiple input single output(MISO) channels with finite blocklength. We first show that the optimal input distribution for covert communication...
关键词：BEAMFORMING circular symmetric complex Gaussian covert communication MISO channels power control 
Joint resource allocation and power control for radar interference mitigation in multi-UAV networks
《Science China(Information Sciences)》2021年第8期100-112,共13页Xinyi WANG Zesong FEI Jingxuan HUANG J.Andrew ZHANG Jinhong YUAN 
National Natural Science Foundation of China(Grant Nos.U20B2039,61871032).
Navigation problems of unmanned air vehicles(UAVs)flying in a formation have been investigated recently,where collision avoidance is a significant issue to be addressed.In this paper,we study resource allocation and p...
关键词：multi-UAV network radar sensing channel allocation power control 
Multi-pair massive MIMO amplify-and-forward relaying system with low-resolution ADCs:performance analysis and power control被引量：1
《Science China(Information Sciences)》2018年第2期160-177,共18页Qimei CUI Yinjun LIU Yinsheng LIU Weiliang XIE Yong ZHAO 
supported by National Nature Science Foundation of China Project(Grant Nos.61471058,61501376,61601018);Key National Science Foundation of China(Grant No.61461136002);Hong Kong,Macao and Taiwan Science and Technology Cooperation Projects(Grant No.2016YFE0122900);111 Project of China(Grant No.B16006);Fundamental Research Funds of Central University(Grant No.2015RC035);Shenzhen Science and Technology Project(Grant No.JSGG20150512153045135)
In this paper, we focus on a general multi-pair massive MIMO amplify-and-forward（AF） relaying system where the relay antennas employ low-resolution analog-to-digital converters（ADCs） to reduce the hardware cost. F...
关键词：massive MIMO relaying system imperfect CSI low quantization power control 
Pilot reuse and power control of D2D underlaying massive MIMO systems for energy efficiency optimization被引量：3
《Science China(Information Sciences)》2017年第10期36-50,共15页Shenghao XU Haixia ZHANG Jie TIAN P.Takis MATHIOPOULOS 
supported by National Natural Science Foundation of China(Grant Nos.61371109,61671278);National Science Foundation for Excellent Young Scholars of China(Grant No.61622111);Shandong Provincial Natural Science Foundation for Young Scholars of China(Grant No.ZR2017QF008)
It is predicted that there will be billions of machine type communication（MTC） devices to be deployed in near future. This will certainly cause severe access congestion and system overload which is one of the major ...
关键词：device-to-device （D2D） massive MIMO energy efficiency （EE） pilot reuse （PR） power control （PC） 
Channel power control in optical amplifiers to mitigate physical impairment in optical network被引量：2
《Science China(Information Sciences)》2015年第10期114-121,共8页ZHAO DongYan LONG KePing ZHENG YiChuan SUN Jian GONG WeiBing 
supported by Research Foundation of China Mobile,and Foundation of Beijing Engineering and Technology Center for Convergence Networks and Ubiquitous Services;National Natural Science Foundation of China(Grant No.61302064);National Science Foundation for Post-doctoral Scientists of China(Grant No.2013M540862)
The signal quality degradation, which occurs due to the aspects of fiber attenuation, splitter switch, and amplified spontaneous noise in erbium-doped fiber amplifier, may substantially erode the performance of optica...
关键词：optical devices communication system performance optical signal noise rate （OSNR） OPTIMIZATION control 
Using full duplex relaying in device-to-device(D2D)based wireless multicast services:a two-user case被引量：4
《Science China(Information Sciences)》2015年第8期1-7,共7页ZHANG GuoPeng YANG Kun LIU Peng DU Yao 
Zhang G P,Liu P,Du Y was supported by China Fundamental Research Funds for the Central Universities(Grant No.2014QNA82);National Natural Science Foundation of China(Grant No.61471361);Post-Doctoral Fellowship Program of the China Scholarship Council(Grant No.2900759643);Yang K was supported by the EU FP7 Projects EVANS(Grant No.GA-2010-269323);CROWN(Grant No.GA-2013-610524)
D2D communication has been proposed as an important supplement to the existing centralized cellular networks which allows two physically adjacent cellular user equipments （UEs） to communicate directly. This paper co...
关键词：D2D communication cellular multicast full-duplex relaying power control interference manage-ment 
A user-selected uplink power control algorithm in the two-tier femtocell network被引量：2
《Science China(Information Sciences)》2015年第4期47-58,共12页CHAI XiaoMeng XU Xu ZHANG ZhongShan 
supported by the National High-Tech Research & Development Program of China (Grant No. 2014AA01A701);the Key Project of the National Natural Science Foundation of China (Grant No. 61431001);Program for New Century Excellent Talents in University (Grant No. NECT-12-0774);the Open Research Fund of National Mobile Communications Research Laboratory Southeast University (Grant No.2013D12);the Research Foundation of China Mobile;the Foundation of Beijing Engineering and Technology Center for Convergence Networks and Ubiquitous Services
In two-tier femtocell networks, the frequency reuse among cells leads to cross-tier interference （CTI）, the primary constraint to system performance improvement. In order to alleviate the impact of CTI, we propose a...
关键词：power control game theory user-selected FEMTOCELL MACROCELL capacity 
Gibbs sampling based distributed OFDMA resource allocation被引量：2
《Science China(Information Sciences)》2014年第4期14-25,共12页GARCIA Virgile CHEN Chung Shue ZHOU YiQing SHI JingLin 
been partially funded by Beijing Natural Science Foundation Major Project(Grant No.4110001);National Science and Technology Major Project(Grant No.2012ZX03003005-004);2010 Main Direction Program of Knowledge Innovation of Chinese Academy of Sciences;The research leading to these results has received funding from the European Union’s Seventh Framework Programme(FP7/2007-2013)(Grant No.318115)
In this article, we present a distributed resource and power allocation scheme for muRip]e-resource wireless cellular networks. The global optimization of multi-cell multi-link resource allocation problem is known to ...
关键词：radio resource allocation power control interference management distributed optimization Gibbssampling METROPOLIS-HASTINGS 
Network selection policy based on efective capacity in heterogeneous wireless communication systems被引量：5
《Science China(Information Sciences)》2014年第2期88-94,共7页JIANG Jian LI JianDong HOU RongHui LIU XinYi 
supported by National Nature Science Foundation of China(Grant Nos.61231008,61101143);National Basic Research Program of China(973 Program)(Grant No.2009CB320404);Program for Changjiang Scholars and Innovative Research Team in University(Grant No.IRT0852);111 Project(Grant No.B08038);Important National Science&Technology Specific Projects(Grant No.2013ZX03004007-003);Fundamental Research Funds for the Central Universities(Grant No.K50511010006)
A great deal of previous research was based on the concept of Shannon theory without considering the delay characteristic. However, in reality, different services have different delay constraints. In this paper, two n...
关键词：network selection policy heterogeneous wireless communication systems power control effectivecapacity QUALITY-OF-SERVICE 
Optimal user scheduling and power control in multi-user cognitive broadcast systems被引量：1
《Science China(Information Sciences)》2012年第6期1402-1414,共13页WANG QunHuan WANG HuiMing YIN QinYe 
supported by National Natural Science Foundation of China(Grants Nos.61071125,61102081);Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20110201120013);Natural Science Fundamental Research Plan of Shaanxi Province(Grant No.2011JQ8022);Fundamental Research Funds for the Central University(Grant No.2011jdhz06)
Cognitive radio systems should not only have the ability to sense and exploit ＂frequency spectrum holes＂,but also the ability to sense and utilize ＂spatial spectrum holes＂.In this paper,we consider the issue of ma...
关键词：cognitive radio distributed spatial spectrum holes opportunistic scheduling power allocation 
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