The IEEE/CIC International Conference on Communication in China(ICCC)has been globally recognized as one of the important annual international conference held by the IEEE Communication Society(Com Soc)and China Instit...The IEEE/CIC International Conference on Communication in China(ICCC)has been globally recognized as one of the important annual international conference held by the IEEE Communication Society(Com Soc)and China Institute of Communication(CIC)in China.The sixth IEEE/CIC ICCC 2017 was held in the magnificent city of Qingdao,China,22-24 October,展开更多
The development of Internet finance has made the financial environment faced by college students more complicated.The level of financial literacy best reflects a person's sensitivity to the financial environment a...The development of Internet finance has made the financial environment faced by college students more complicated.The level of financial literacy best reflects a person's sensitivity to the financial environment and flexibility to respond to financial events.Therefore,to improve the financial literacy of college students,popularizing financial knowledge is bound to become the key content of general education and teaching work in contemporary colleges and universities.In this article,taking 400 undergraduates from Yangtze University as the research object,the participation in online lending and the mastery of financial knowledge were investigated and analyzed,then the current teaching situation of financial literacy courses was introduced,and finally,a number of suggestions to improve the teaching reform of financial literacy were put forward.展开更多
This paper investigates a simple design of intelligent reflecting surface(IRS)based unmanned aerial vehicles(UAV)assisted multiple-input single-output nonorthogonal multiple access(NOMA)downlink network.The aim of thi...This paper investigates a simple design of intelligent reflecting surface(IRS)based unmanned aerial vehicles(UAV)assisted multiple-input single-output nonorthogonal multiple access(NOMA)downlink network.The aim of this paper is to maximize the rate of the strong user while guaranteeing the target rate of the weak user given by the optimized UAV horizontal position.We first optimize the location of IRS-UAV.Then we propose an iterative algorithm to optimize the transmit beamforming and phase shift of IRS alternatively.For the beamforming optimization,the closed-form expressions of the optimal beamforming vectors are derived.Then,given by the obtained beamforming,we propose two methods to obtain the optimal phase shifting of IRS.One is the semidefinite relaxation based iteration algorithm which provides high data rate and the other one is based on successive convex approximation technique which has low complexity.Finally,simulation results are provided to show that the performance of the two proposed algorithms are significantly better than using random phase shifting scenario and IRS based UAV-assisted orthogonal frequency-division multiple access scheme.展开更多
文摘The IEEE/CIC International Conference on Communication in China(ICCC)has been globally recognized as one of the important annual international conference held by the IEEE Communication Society(Com Soc)and China Institute of Communication(CIC)in China.The sixth IEEE/CIC ICCC 2017 was held in the magnificent city of Qingdao,China,22-24 October,
基金Special Project for Teacher Development of Yangtze University(B201801)Innovation and Entrepreneurship Training Program for Undergraduates of Yangtze University(2019236).
文摘The development of Internet finance has made the financial environment faced by college students more complicated.The level of financial literacy best reflects a person's sensitivity to the financial environment and flexibility to respond to financial events.Therefore,to improve the financial literacy of college students,popularizing financial knowledge is bound to become the key content of general education and teaching work in contemporary colleges and universities.In this article,taking 400 undergraduates from Yangtze University as the research object,the participation in online lending and the mastery of financial knowledge were investigated and analyzed,then the current teaching situation of financial literacy courses was introduced,and finally,a number of suggestions to improve the teaching reform of financial literacy were put forward.
基金This work was in part supported by National Natural Science Foundation of China(Nos.61971270 and 61860206005)Shandong Provincial Natural Science Foundation(No.ZR2019QF016).
文摘This paper investigates a simple design of intelligent reflecting surface(IRS)based unmanned aerial vehicles(UAV)assisted multiple-input single-output nonorthogonal multiple access(NOMA)downlink network.The aim of this paper is to maximize the rate of the strong user while guaranteeing the target rate of the weak user given by the optimized UAV horizontal position.We first optimize the location of IRS-UAV.Then we propose an iterative algorithm to optimize the transmit beamforming and phase shift of IRS alternatively.For the beamforming optimization,the closed-form expressions of the optimal beamforming vectors are derived.Then,given by the obtained beamforming,we propose two methods to obtain the optimal phase shifting of IRS.One is the semidefinite relaxation based iteration algorithm which provides high data rate and the other one is based on successive convex approximation technique which has low complexity.Finally,simulation results are provided to show that the performance of the two proposed algorithms are significantly better than using random phase shifting scenario and IRS based UAV-assisted orthogonal frequency-division multiple access scheme.
