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Incentivize Spectrum Leasing in Cognitive Radio Networks by Exploiting Cooperative Retransmission
... a cognitive radio network, where a PU communicates with the Base Station ...same spectrum band, a secondary network with multiple SUs tries to exploit best-e ff ort transmissions with BS 1 by taking ... See full document
10
Combined Soft Hard Cooperative Spectrum Sensing in Cognitive Radio Networks
... 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 ... See full document
12
Intelligent and Efficient Spectrum Sensing and Handoff Strategies in Cognitive Radio Networks
... Distributed cooperative detection has therefore been proposed to improve the detection performance of a cognitive radio network, by exploiting spatial diversity among signal observations at ... See full document
22
Performance analysis of dynamic spectrum leasing strategies in coordinated cognitive radio networks
... performs spectrum leasing considering the QoS requirements of both pri- mary and secondary ...for spectrum leasing and utility- based resource allocation is introduced, and the per- formance ... See full document
32
Optimization of cooperative spectrum sensing with sensing user selection in cognitive radio networks
... Cognitive radio (CR) technology has recently been iden- tified as a promising way to address the spectrum scar- city by exploiting opportunistic spectrum in dynamically changing ... See full document
34
Efficient Resource Allocations for Spectrum Leasing in Cooperative Cognitive Radio Networks
... enable spectrum leasing, the AP of the secondary network is equipped with an auxiliary radio that can be tuned to the frequency of the leased channel (licensed ...Cellular). Spectrum ... See full document
13
On Cooperative Relay in Cognitive Radio Networks
... and cooperative communications represent new paradigms that both can effectively improve the spectrum efficiency of future wireless ...of cooperative relay in CR networks for further enhanced ... See full document
5
Discovering and exploiting spectrum power correlations in cognitive radio networks: an experimentally driven approach
... the spectrum allocation formally enacted in Greece by the Hellenic Telecommunication and Post Commission [14], we determined the minimum, maxi- mum, and average occupancy percentage of each nominal band through ... See full document
12
Agent based modeling of the cooperative spectrum management with insurance in cognitive radio networks
... the spectrum trading among a PU and multiple SUs is discussed in ...the spectrum opportunities to the group of SUs is ...(3) cooperative pricing ...the cooperative pricing maximizes the total ... See full document
8
Cognitive Radio Wireless Smart Sense Technology
... Cognitive radio is an exciting promising technology which not only has the potential of dealing with the inflexible prerequisites but also the scarcity of the radio spectrum ...of ... See full document
84
Spectrum sensing for cognitive radio exploiting spectrum discontinuities detection
... During the last decades, we have witnessed a great pro- gress and an increasing need for wireless communica- tions systems due to costumers demand of more flexible, wireless, smaller, more intelligent, and practical ... See full document
21
Machine learning and energy efficient cognitive radio
... collaborative spectrum sensing and allocation in this approach, where meta-heuristic algo- rithms are iterative search processes that efficiently perform the exploration and exploitation in the solution space for ... See full document
123
Radio resource reservation for heterogeneous traffic in cellular networks with spectrum leasing
... spectrum leasing. As mentioned in previous paragraphs, channel reservations have been separately reserved for the two types of call dropping which respectively result from channel withdrawal and inter-cell ... See full document
10
Spectrum sharing in cognitive radio networks
... 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
11
Energy Efficient Cooperative Spectrum Sensing In Cognitive Radio
... Cognitive radio can assume an important role in enhancing energy efficiency in remote systems detecting in subjective cognitive radio ensures the essential client primary user from base ... See full document
23
Spectrum - Sharing Multihop Cooperative Relaying Performance Analysis Using Cognitive Radio Networks
... Multiuser detection encompasses both receiver technologies devoted to joint detection of all the interfering signals or to single-user receivers which are interested in recovering only one user but are robustified ... See full document
20
A Survey of Various Spectrum Sensing Techniques in Cognitive Radio Networks: Non Cooperative Systems
... wireless networks are regulated by a fixed spectrum assignment policy, ...the spectrum is regulated by governmental agencies and is assigned to license holders or services on a long term basis for ... See full document
16
Spectrum Handoff in Cognitive Radio Networks: A Survey
... the cognitive radio is to realize dynamic access to the idle spectrum in order to have ...a cognitive radio is a challenging task. A typical cognitive radio scenario ... See full document
23
Joint cooperative relay scheme for spectrum efficient usage and capacity improvement in cognitive radio networks
... match up of variant achievable rate on different channels and user’s demands. In multiple RNs serving multiple destinations (MR-MD) scenario, the DyTSA scheme is analyzed and proved thoroughly under different scenarios ... See full document
16
Robust Cooperative Spectrum Sensing under Primary User Emulation Attack in Cognitive Radio Networks
... local spectrum sensing and then use belief propagation to exchange the measurements to detect whether the signal is from a licensed PU or ...the cooperative sensing ...performs spectrum sens- ing and ... See full document
8
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