Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Xuan Li Wu"'
Publikováno v:
Tongxin xuebao, Vol 37, Pp 144-151 (2016)
The total system throughput was improved by means of enhanced inter-cell interference coordination (eICIC)in heterogeneous networks(HetNets)in LTE-Advanced system. Through analyzing the existing system interference, mathematical model was established
Externí odkaz:
https://doaj.org/article/95d6bd93141841b187f35d63f673d944
Publikováno v:
Tongxin xuebao, Vol 33, Pp 74-86 (2012)
An opportunistic spectrum sharing protocol based on OFDM cooperation relaying was proposed.When the primary user experiences weak channel conditions,it could not achieve its target rate.If the cognitive user could help the primary user achieve its ta
Externí odkaz:
https://doaj.org/article/0f98716b17da44cea8f0f6076a4fb4a5
Autor:
Xuan-li Wu, Ruo-nan Wang
Publikováno v:
DEStech Transactions on Social Science, Education and Human Science.
This paper studies the experience, characteristic and future development of curriculum reform in China and Japan by comparing the current status of the curriculum reform in the above two countries. Taking the curriculums of the same major of two famo
Publikováno v:
Applied Mechanics and Materials. :1491-1497
In order to solve the problem of spectrum shortages, dynamic spectrum access based cognitive radio technology was proposed, and the technology of spectrum sensing is the foundation of cognitive radio. In this paper, a semi-definite programming based
Publikováno v:
Advanced Materials Research. :551-555
In TD-LTE-A downlink, signal to leakage and noise ratio (SLNR) based beamforming can eliminate the co-channel interference and noise for multi-user MIMO mode effectively and can be realized more easily than the traditional ideal SINR based algorithms
Publikováno v:
IEEE Transactions on Wireless Communications. 11:2126-2135
In this paper, we propose an opportunistic spectrum sharing protocol that exploits the situation when the primary system is incapable of supporting its target transmission rate. Specifically, the secondary system tries to help the primary system to a
Publikováno v:
Advanced Materials Research. :500-503
This paper proposed a 4-weighted fractional Fourier transform (4-WFRFT) based carrier modulation technique. The system performance applying such modulation is analyzed under burst interference, and then compared with single carrier (SC) modulation an
Publikováno v:
VTC Fall
In this paper, we consider opportunistic spectrum sharing when the primary system experiences unfavorable channel conditions. In the proposed spectrum sharing protocol, the secondary system tries to help the primary system to achieve its target rate
Publikováno v:
The 2nd International Conference on Information Science and Engineering.
In order to expand the application of wireless sensor networks (WSN), ultra-wideband (UWB) technique is approved as one of the physical layer of IEEE 802.15.4a standard. Theoretical analysis shows that the performance of UWB system is affected by the
Publikováno v:
Wireless Communications and Mobile Computing.