[PDF] Top 20 Single Relay Selection and Power Allocation Based on Energy Efficiency in Cooperative Cognitive Radio Network

... utilization, Cognitive Radio (CR) was proposed by Federal Communications Commission (FCC) as a key technology to achieve dynamic spectrum access and improve spectrum utilization ...problems. ... See full document

... Bits-per-energy efficiency is an elegant information-theoretic characterization for the single-user, multiple-access, and interference ...The energy efficiency of the relay ... See full document

... of radio resources. Cognitive Radio Network (CRN) which provides opportunistic access of Primary users’s band (licensed spectrum) to the secondary users, is considered as a promising new ... See full document

... a relay scheme play an important role in utilizing the reporting frame- ...a relay, and non- sequential approach with no relay ...mode selection based on reinforcement learning for ... See full document

... spectral efficiency than the traditional cognitive one-way relay networks, only few works investigated the performance of two- way counterpart ...with single and multiple relays has been ... See full document

... networks. Cognitive radio (CR) is the promising technology to fulfill the need of future requirements of spectrum by allowing presence of primary users (PUs) along with cognitive users (CUs) also ... See full document

... a relay based cellular network. Cognitive radios or SU s form ad-hoc network which share radio spectrum with P U s in cooperative ...form power alloca- tion ... See full document

... model based on Markov chain was proposed to predict the spectrum hole for CR in M2M network, and the theoretical analysis and simulation results were evaluated that a Markov model with two states or four ... See full document

... the radio environment, and adaptively choose transmission parameters according to sensing outcomes to avoid the interference to primary (licensed) users ...Spectrum Efficiency (SE) and Energy ... See full document

... price-based power control algorithm was presented in [18] to find the optimal price for each ...game power control model was given to verify the sub-optimality, fairness, and efficiency of the ... See full document

... the efficiency and reliability of multicast trans- ...transmission power can obviously bring great performance gain for multicast transmission, but the shortcoming of this approach is that it is not an ... See full document

... and power allocation is proposed for SU to maximize its ...used based on the dual optimization ...are power allo- cation and subcarrier pair scheme, and second part is to minimize the ... See full document

... Path Selection in Cognitive Radio Networks” In this title we discuss Spectrum efficiency and energy efficiency are two critical issues for wireless communication ...as ... See full document

... a cognitive radio network wherein primary and secondary users coexist, an efficient power allocation method repre- sents one of the most important key ...approach based on a game ... See full document

... transmit power, no optimal power allocation is ...its relay node, and as a reward, PUs should lease a fraction of the spectrum to the corresponding SUs so that the SUs are able to transmit ... See full document

... a cognitive radio (CR) relay network where one source secondary user (SU) communicates with its corresponding destination SU with the help of relay ...and/or power are allocated ... See full document

... and power transfer tech- nique to cooperative clustered wireless sensor networks, they develop a distributed iteration algorithm of power allocation, power splitting, and relay ... See full document

... of relay selection and power allocation at the secondary transmitter, which aims to achieve the maximum possible throughput for the secondary ...by cooperative am- plify-and-forward ... See full document

... of cooperative networks depending on the number and locations of relays in the ...of relay number and locations are investigated by considering energy ...optimal relay from a set of available ... See full document

... the energy decreasing and the enhancement in the probability of miss-detection ...The cooperative slotted target has fixed decision delay to allow the sensor node as the secondary users in sleep mode during ... See full document