[PDF] Top 20 Efficient Spectrum Utilization in Cognitive Radio Networks

... An efficient representation of the problem of the secondary users submitting the bids is captured using the Hungarian or the Kahn Monkres algorithm derived from the ... See full document

... non-cooperative cognitive radio network ...novel spectrum leasing game for the underlay cognitive radio network using rate-based pricing strategy for ...that spectrum efficiency ... See full document

... The cognitive radio network (CRN) is a promising solution to the problem of spectrum ...achieve efficient spectrum utilization, cognitive radio requires a robust ... See full document

... the spectrum is addressed efficiently with the help of Cognitive Radio Networks ...technology. Spectrum sharing in CRN is the most crucial step to ensure that the available ... See full document

... Cooperative Cognitive Radio Networks (CCRNs) incorporates cooperative communication into psychological feature radio networks, in which, primary users lease their spectrum to ... See full document

... [1], cognitive radio is being touted as the next Big Bang in wireless ...fixed spectrum allocation results in a large part of frequency band remaining ...times. Cognitive radio ... See full document

... collaborative spectrum sensing (T-CSS) protocol intelligence networks in order to improve their throughput ...In Cognitive Radio, network the data transmission between honest secondary users ... See full document

... In [58], a two-stage CSS is proposed, where CUs are divided into two groups. In the first stage, the first group senses the spectrum and reports the local deci- sions to the FC. If the FC decides that the ... See full document

... CRNs are more vulnerable to many security threats and attacks compared to traditional wireless area networks. However, many wireless devices operate in CRNs which are battery powered. Attack launched by MUs ... See full document

... In this article, we have presented two two-stage time- saving and energy-efficient CSS algorithms for CR net- works. In the algorithms, only one stage of sensing is needed when the SNR is high or there is no PU. ... See full document

... An SU senses these channels serially. For simulation purposed, we already defined SNR value 𝑑𝐵 of each channel. The performance of proposed spectrum sensing scheme is shown in Fig. 7, for which already defined SNR ... See full document

... results are derived based on a loose definition of throughput without considering the forced termination. A channel packing scheme which provides 10%- 15% gain over random channel access has been presented in [57]. The ... See full document

... of spectrum sensing ...the spectrum sensing error for given spectrum sensing constraint for a single ...cooperative spectrum sensing ... See full document

... of spectrum and the non-green use of present RF resources necessitate a brand new verbal exchange paradigm to take advantage of Wi-Fi spectrum opportunistically and with greater ... See full document

... Cognitive radio (CR) integrate radio technology and networking technology to provide efficient use of radio ...implement efficient reuse of licensed spectrum to overcome ... See full document

... The spectrum sensing in CRNs faces three main tech- nical challenges: (1) The sampling rate, too high sampling rate may cause very high cost of signal processing and storage; (2) The design of radio ... See full document

... interoperable networks is not ...energy efficient process Called Updating and Subset Formation (CUSF) for ad-hoc ...promote efficient data transfers among ... See full document

... the Radio Frequency (RF) spectrum is allocated to the end ...RF spectrum resource transpires due to fixed frequency allocation by the regulatory bodies in each region is one of the major problems in ... See full document

... the spectrum holes consistently and resourcefully, in this paper we propose matched filter and ED method based cooperative spectrum sensing in CR ... See full document

... the spectrum and extract the required information about the available frequency bands which is attained by considering two approaches: spectrum sensing and ...to spectrum sensing, the principle of ... See full document