Standardization activities in spectrum sensing and interface for dynamic spectrum access

Author(s):  
Ha Nguyen Tran ◽  
Yohannes D. Alemseged ◽  
Chen Sun ◽  
Hiroshi Harada

A conveyed compressive inspecting method is proposed for agreeable wideband spectrum sensing which requires fewer quantities of estimations whereas conquering time-changeability of range inhabitance and the shrouded station issue. Initially, we demonstrate that the wideband range inhabitance data could most likely be recouped with a decreased quantity of range estimations. Second, we suggest detecting framework plan which increases the spectrum detecting recuperation precision. Utilizing simulations, we affirm our theoretic outcomes and demonstrate that collaboration prompts high identification likelihood, even with every auxiliary client taking just little estimation. We likewise demonstrate that it is adequate to think about a subset of near to optional clients to get equivalent exhibitions.


2014 ◽  
Vol 543-547 ◽  
pp. 2262-2265
Author(s):  
Chang Hua Yao ◽  
Qi Hui Wu ◽  
Xue Qiang Zheng

In this paper, we proposed a more practical spectrum sensing order problem in cognitive radio networks (CRN), considering the effect of different traffic of second user (SU). We discard the impractical assumption that SU has data packets to transmit all the time, and use the actually packets per second rather than the channel capacity as the definition of throughput, to reformulate the optimal sensing order problem. The new method to decide sensing order can improve the throughput performance in practical system.


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