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Flight Time Minimization of UAV for Cooperative Data Collection in Probabilistic LoS Channel
《China Communications》2024年第2期210-226,共17页Yan Li Shaoyi Xu Yunpu Wu Dongji Li 
supported by the National Key Research and Development Program under Grant 2022YFB3303702;the Key Program of National Natural Science Foundation of China under Grant 61931001;supported by the National Natural Science Foundation of China under Grant No.62203368;the Natural Science Foundation of Sichuan Province under Grant No.2023NSFSC1440。
This paper investigates the data collection in an unmanned aerial vehicle(UAV)-aided Internet of Things(IoT) network, where a UAV is dispatched to collect data from ground sensors in a practical and accurate probabili...
关键词：data collection flight time probabilistic line-of-sight channel unlicensed band unmanned aerial vehicle 
Unlicensed Band Sharing Based on Bargaining Game for Heterogeneous Networks
《China Communications》2022年第12期129-141,共13页Haixia Cui Shujie Zou 
the National Natural Science Foundation of China under Grant 61871433,61828103;in part by the Research Platform of South China Normal University and Foshan
Currently,limited licensed frequency bands cannot meet the increasing demands for various wireless communication applications any more.It is necessary to extend wireless communication networks to unlicensed spectrum.I...
关键词：unlicensed spectrum bargaining game alliance game one-to-many bargaining game 
Hybrid Channel Access Mechanism Based on Coexistence Scenario of NR-Unlicensed被引量：3
《China Communications》2020年第1期49-62,共14页Zhening Zhang Jingyi Chen Mingyang Dong Yuehong Gao Jingjing Wang 
the Project “Evaluation and verification of candidate solutions for international standardization of 5G” supported by National Science and Technology Major Project of the Ministry of Science and Technology (2018ZX03001024-006)
With the rapid development of 5G NR(New Radio),the explosive increment of traffic amount is calling the utilization of unlicensed band.3GPP has proposed LAA(Licensed Assisted Access)to use LTE in unlicensed band and p...
关键词：NR-U channel access mechanism LBT power reduction 
Weight Based Channel Selection Towards 5G in the Unlicensed Spectrum被引量：1
《China Communications》2018年第8期54-66,共13页Yu Zeng Ting Zhou Honglin Hu Yang Yang Jinfeng Tian Zhenhong Li 
partly supported by the National Science and Technology Major Project(grant no.16510711600);the National Natural Science Foundation of China(grant no.61631013);partly supported by the National Natural Science Foundation of China(grant no.61401440)
The growth of the wireless and mobile communication data traffic has brought severe challenges to the present telecommu- nication systems. To meet the ever-increasing mobile traffic demand in the next 5th generation ...
关键词：5G unlicensed spectrum eLAA WI-FI multi-channel transmission 
Flexible Uplink MU-MIMO Scheduling in UnlicensedSpectrum
《China Communications》2017年第12期59-71,共13页Boqi Jia Ting Zhou Honglin Hu Yang Yang Zhenhong Li Sandrine Boumard 
partly supported by the NSFC International Cooperation and Exchange Program(Grant No.61461136001);partly supported by the Shanghai Rising-Star Program(grant no.17QA1403800);the NSFC International Cooperation and Exchange Program(Grant No.61461136004);partly supported by the ESEC project of Tekes and the National Natural Science Foundation of China(Grant No.61401440);partly supported by the NSFC International Cooperation and Exchange Program(Grant No.61461136003)
Utilizing the unlicensed spectrum as supplementary is being studied to meet the increasingly growing demand of user equipment for rate,traffic and bandwidth,and thus to mitigate the current spectrum scarcity crisis.In...
关键词：5G UNLICENSED SPECTRUM MU-MIMO UPLINK SCHEDULING 
License Assisted Access-WiFi Coexistence with TXOP Backoff for LTE in Unlicensed Band被引量：1
《China Communications》2017年第3期1-14,共14页Salman Saadat Da Chen Kai Luo Mingjie Feng Tao Jiang 
supported in part by Joint Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) and Research Grants Council Earmarked Research Grants (RGC ERG) with Grant 20130142140002;National Science Foundation of China with Grants 61531011 and 61471163;Major Program of National Natural Science Foundation of Hubei in China with Grant 2016CFA009
License assisted access(LAA) was proposed as a solution to the challenge of satisfying high throughput requirement in cellular network with limited licensed band. LAA uses long term evolution(LTE) carrier aggregation ...
关键词：WiFi unlicensed band LTE coexistence license assisted access listen before talk 
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