[PDF] Top 20 Optimization of spectrum sensing in Cognitive Radio by demand based adaptive genetic algorithm

... the algorithm, an adaptive GA is proposed in this paper, where operators and parameters are adaptive as per the changing conditions of the ... See full document

... Cognitive radio is an emerging technology for the opportunistic use of under-utilized ...properly. Spectrum sensing is the major function of a cognitive radio ...cooperative ... See full document

... Cooperative spectrum sensing (CSS) can improve the spectrum sensing performance by introducing spatial diversity in cognitive radio networks ...local sensing data to the ... See full document

... colony algorithm, ants will continue choosing the path with high pheromone concentration, and the energy of the node on the path will become very ...IACAEO algorithm, the ants will choose the path with high ... See full document

... ABSTRACT: Cognitive radio technology is a low cost communication ...the cognitive system is that it prevents the interfering of licensed and authorised users; by choosing the available frequencies ... See full document

... and adaptive and efficient use of radio spectrum is an important aspect of enveloping future network ...architectures. Cognitive Radios (CRs) integrate radio technology and networking ... See full document

... Cognitive Radio is a paradigm of wireless industry as it helps in improving spec- trum ...two optimization approaches are discussed that is PSO and ...the Spectrum Sensing like ... See full document

... Genetic algorithm is the true optimization algorithm to find the solution for the various problems and having the advantage of multi object handling ...evaluated based on the crossover ... See full document

... of cognitive radio (CR) system is to enhance the spectrum efficiency, and one of the key factors that can determine the spectrum efficiency is the system spectrum sensing ... See full document

... In cognitive radio networks, wideband spectrum sensing (WSS) has been advocated as an effective approach to increase the spectrum access opportunity of the secondary ...and ... See full document

... [6], adaptive modulation in an underlay cognitive radio system was studied to optimize the transmitter rate and ...on cognitive radio performance was ...for adaptive modulation ... See full document

... minimum sensing the RF spectrum, environmental surroundings, and the user’s needs; the capacity to learn preferably in both supervised and unsupervised modes; and finally, the capability to get used to ... See full document

... the demand of radio spectrum which is limited as a result one of the major issues faced in wireless communication technology is spectrum ...scarcity. Cognitive radio (CR) solves ... See full document

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

... considers spectrum utilization, the probability of detection in cognitive radio (CR) model based on cooperative spectrum sensing with both simultaneous adaptive ... See full document

... of spectrum resource is increasingly ...study cognitive radio spectrum allocation algorithm that is of higher spectrum utilization ratio, less system power consumption and better ... See full document

... to spectrum optimization in cog- nitive radio ...example, genetic algorithms have been investigated through CR test-beds under cer- tain controlled radio environments ...a ... See full document

... optimal sensing results with minimum sensing time if PU waveform is ...reliable sensing results with minimum sensing ...local sensing schemes are proposed in [5–12], including our own ... See full document

... compressive sensing problem, also called as sparse signal recovery ...MIMO-OFDM based CR network, usually it’s a hard work for the SU to obtain the prior spectrum usage information like the ... See full document

... - Cognitive radio is the “intelligent radio” that provides increased bandwidth to mobile users by using dynamic spectrum access technique without compromising the licensed band allotted to ... See full document