[PDF] Top 20 Cooperative spectrum sensing algorithm in cognitive radio by simultaneous sensing and BER measurements

... executes sensing only when it does not transmit data [4, 5], a couple of full-duplex spectrum sensing schemes have been proposed in which the SU can simultaneously imple- ment transmitting and ... See full document

... paper, cognitive radio technology is introduced into Femtocell to form a cognitive function of Femtocell double-layer network, through the detection of empty channels allocated to Femtocell users, so ... See full document

... of spectrum. But, studies are saying that licensed spectrum is ...underutilized. Cognitive Radio Networks (CRNs) seem to be a promising solution to this problem by allowing unlicensed users to ... See full document

... Spectrum sensing is a main function in cognitive radio networks to detect the spectrum holes or unused ...spectrum. Cooperative spectrum sensing schemes are ... See full document

... of spectrum, most of the spectrum remains underutilized by primary users ...the spectrum demand is also increasing. The underutilized spectrum by PUs can be used by unlicensed secondary users ... See full document

... that cooperative sensing among the CRs with high SNR could obtain the best ...iterative algorithm to estimate detection probability and false alarm probability for each CR and selected the ... See full document

... technologies. Cognitive radio can play an important role in improving energy efficiency in wireless networks, because from the green perspective, spectrum is a natural resource which should not be ... See full document

... local spectrum sensing and then use belief propagation to exchange the measurements to detect whether the signal is from a licensed PU or ...Collaborative sensing in the pres- ence of PUEA is ... See full document

... In cognitive radio transceiver can smartly recognize which communication channels are in ...channels. Cognitive radio enhances the use of vacant radio- frequency range while reducing ... See full document

... In cooperative sensing scheme, the spectrum sensing performance in cognitive radio network depends on two parameters; sensing time and the used fusion ...uses ... See full document

... on spectrum utilization by exploiting the spectrum holes or on the coexistence be- tween secondary and primary users which in turns classifies the cognitive radio networks into three broad ... See full document

... This work presents a new framework to reach dynamic spectrum sharing in TVFF channels. The central question addressed in the paper is how to effectively detect the oc- cupancy of PU’s band and estimate the CSI ... See full document

... using cooperative sensing (CS), where neighbouring yet geographically distributed SUs cooperate in sensing a common PU transmission by exchanging sensing information among them before making a ... See full document

... . This type of relationship is constructed when entities come into connection, continuously or sporadically, for causes purely associated to relationships amongst their owners like sensors/devices belonging to friends ... See full document

... of spectrum sensing, the mean value of sensing reports is calculated and two important attack parameters are ...correct sensing probability in severe ... See full document

... PSO is a population based optimization technique which is inspired by social be- havior of flock of birds or school of fish. In PSO, there are swarm particles which reside at a position in search space. Initially it has ... See full document

... Spectrum sensing plays a very provocative role in cognitive radio ...utilize spectrum more efficiently and to exploit the primary user, spectrum sensing is ...hybrid ... See full document

... each sensing interval based on the quality of the sensing data at each ...reliable sensing result will take on the cluster header’s roles which include making and report- ing the cluster’s decision ... See full document

... A cognitive radio network, which enables dynamic spectrum access, addresses the scarcity of radio spectrum caused by ever-increasing demand for ...spectrum. Cognitive ... See full document

... The paper is organized as follows. Section 2 briefly presents some fundamental results concerned to the Ge- neralized Gaussian (GG) channel modeling. Section 3 is totally dedicated to single user multiple cyclic ... See full document