In recent years,as giant satellite constellations grow rapidly worldwide,the co-existence between constellations has been widely concerned.In this paper,we overview the co-frequency interference(CFI)among the giant no...
This work was partially supported by the National Key R&D Program of China under Grant 2019YFB1803301;the Key Research and Development Program of Shanxi under Grant 201903D121117;Beijing Nova Program of Science and Technology under Grant Z191100001119028;the National Natural Science Foundation of China under Grant 62001320.
Re-routing system has become an important technology to improve traffic efficiency.The traditional re-routing schemes do not consider the dynamic characteristics of urban traffic,making the planned routes unable to co...
This work was supported in part by the Chongqing Research Program of Basic Research and Frontier Technology under Grant cstc2019jcyj-msxmX0233;in part by Science and Technology Research Program of Chongqing Education Commission of China under Grant KJQN201901125,Grant KJQN201901103;in part by the Scientific Research Foundation of Chongqing University of Technology under Grant 2019ZD42,Grant 2019ZD63.
With the ever-growing number of base stations(BSs)and user equipments(UEs)in ultra-dense networks(UDN),reusing the same pilot sequences among the cells is inevitable.With pilot reuse scheme,the channel estimation obta...
partially supported by the Fundamental Research Funds for the Central Universities under Grant No.2015JBM001;the National Key Basic Research Program of China under Grant No. 2013CB329101
With the vigorous development of the Internet of Things and 5G technology, such as machine-to-machine and device-todevice, all kinds of data transmission including environmental monitoring and equipment control streng...
supported by the National Natural Science Foundation of China under Grant No.61071118;the National Basic Research Program of China(973 Program)under Grant No.2012CB316004;Special Fund of Chongqing Key Laboratory(CSTC);Chongqing Municipal Education Commission’s Science and Technology Research Project under Grant No.KJ111506
In order to achieve dynamical optimization of mobility load balancing,we analyze the conflict between mobility load balancing and mobility robustness optimization caused by the improper operation of handover parameter...