全部文献期刊会议图书|学者科研项目
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作者:Qixun Zhang , Xuan Fu ...
来源:[J].Wireless Personal Communications(IF 0.428), 2017, Vol.97 (3), pp.3901-3920
摘要:This paper proposes a joint rapid spectrum scanning and signal feature recognition scheme by using both compressed sensing (CS) and cyclostationary technologies to solve the paradox of rapid spectrum scanning and accurate signal feature recognition. First, a new system archi...
作者:Qixun Zhang , Tuo Yang ...
来源:[J].EURASIP Journal on Wireless Communications and Networking(IF 0.54), 2015, Vol.2015 (1), pp.1-12
摘要:Abstract(#br)Driven by surging demands for high data rate services and better user experiences, there is an increasing capacity demand in heterogeneous cellular networks. As one of the promising solutions for capacity enhancement, densely deployed small cells are proposed to prov...
作者:Qixun Zhang , Zhiyong Feng ...
来源:[J].EURASIP Journal on Wireless Communications and Networking(IF 0.54), 2015, Vol.2015 (1), pp.1-19
摘要:Abstract(#br)Driven by the demands for better user experience and high data-rate service, there is an ever increasing trend for capacity enhancement for wireless networks. The densely deployed small cells is a promising solution which can provide a huge capacity gain and improve ...
作者:Guolu Ding , Qixun Zhang , Yaohe Zhou
来源:[J].Journal of Materials Processing Tech.(IF 1.953), 1997, Vol.72 (2), pp.239-242
摘要:Abstract(#br)In the present work, a new additive, triphenyl phosphate, has been developed to modify the cold-setting Furan resin. Experimental results showed that the average tensile strength of the cold-setting resin-bonded sand was enhanced by 80–120% when 5 wt.% of triphe...
作者:Qixun Zhang , Zhiyong Feng , Ping Zhang
来源:[J].EURASIP Journal on Wireless Communications and Networking(IF 0.54), 2012, Vol.2012 (1), pp.1-9
摘要:Abstract(#br)In order to improve the efficiency of spectrum resource usage and the capacity of wireless networks, cooperative relay techniques which utilize the vacant spectrum of primary users for secondary users' data transmission have been applied in cognitive radio networks. ...
作者:... Chao-Hsien Chu , Qixun Zhang , D. Frank Hsu
来源:[J].International Journal of Advanced Robotic Systems, 2013, Vol.10 (8)
摘要:The identification of stressfulness under certain driving condition is an important issue for safety, security and health. Sensors and systems have been placed or implemented as wearable devices for drivers. Features are extracted from the data collected and combined to pred...
作者:... Ding Xu , Ping Zhang , Qixun Zhang
来源:[J].EURASIP Journal on Wireless Communications and Networking(IF 0.54), 2011, Vol.2011 (1), pp.1-16
摘要:Abstract(#br)With evolution and popularity of radio access technologies, the radio resource is becoming scarce. However, with fast-growing service demands, the future advanced wireless communication systems are expected to provide ubiquitous mobile broadband coverage to support h...
作者:Qixun Zhang , Wei Li ...
来源:[J].Wireless Communications and Mobile Computing(IF 0.863), 2016, Vol.16 (13), pp.1876-1890
摘要:Abstract(#br)For the problem of spectrum scarcity and wastage, cognitive radio (CR) technology provides a solution to utilizing the vacant spectrum more efficiently. As one of the most promising techniques to obtain the cognitive information in TV white spaces, geo‐location ...
作者:Ping Zhang , Qian He ...
来源:[J].Chinese Science Bulletin(IF 1.319), 2012, Vol.57 (28-29), pp.3713-3722
摘要:Abstract(#br)Facing the challenges of dynamic adaptation capabilities in the time-varying environment of cognitive wireless networks (CWNs), we introduce reconfiguration capabilities that flexibly and dynamically adapt to changing wireless environments and service requirements. A...
作者:Ping Zhang , Yang Liu ...
来源:[J].Chinese Science Bulletin(IF 1.319), 2012, Vol.57 (28-29), pp.3662-3676
摘要:Abstract(#br)Facing the challenges on how to improve spectrum efficiency and how to realize heterogeneous network convergence in future wireless networks, a cognitive radio network (CRN) is proposed as one of the solutions. This has become a major research topic in recent years a...

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