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Spectrum Occupancy Measurement and Analysis
Tian Fang, Feng Zhiyong, Chen Xing
ZTE Communications    2009, 7 (2): 16-20.  
Abstract106)      PDF (711KB)(131)       Save
This paper analyzes current spectrum utilization from all aspects based on related methods of spectrum measurement. The measurement results show that some spectrum resources are not used effectively due to current fixed spectrum allocation policy, and the spectrum occupancy varies dramatically in terms of time and space. These results provide basis for the development of next generation wireless communication technologies such as Cognitive Radio (CR ).
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Cognition Based Reconfigurable Wireless Network Technology
Feng Zhiyong, Su Meiyu, Zhang Qixun
ZTE Communications    2009, 7 (2): 1-5.  
Abstract75)      PDF (414KB)(140)       Save
The End-to-End Reconfigurability (E2R ) project aims at realizing the convergence of the heterogeneous radio networks and the optimal utilization of the radio resources. With the continuous development of E2R technology and cognitive theory, the evolution from existing radio networks to future reconfigurable radio networks with the cognitive ability becomes possible. Nowadays the research aspects of E2R include the system architecture of reconfigurable radio networks and some key technologies for their evolution.
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