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cognitive radio networks-CRN IEEE PAPER 2017


Abstract Cognitive radio networks (CRNs) emerge as a possible solution to increase spectrum efficiency by allowing cognitive radios (CRs) to access spectrum in an opportunistic manner. Although security in CRNs has received less attention than other

Cognitive Radio Spectrum Sensing A Survey
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Abstract Spectrum detecting issue is a most difficult issue in the cognitive radio system. This paper gives the study of narrowband and wideband spectrum sensing strategies. Diverse sorts of spectrum sensing strategies are concentrated on and they are thought about Abstract In this chapter, the physical layer security in cognitive radio networks with dynamic spectrum sharing is discussed. A brief overview on the security threats in cognitive ratio networks is given. Focusing on the eavesdropping attack, a secrecy problem of the

Energy Efficient Spectrum Sensing Techniques for Cognitive Radio Networks: A Survey
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ABSTRACT Cognitive radio has emerged as a tempting solution for the spectrum scarcity problem. This article focuses on the recent trends in energy efficient spectrum sensing techniques for the Cognitive Radio (CR) technology. The increasing demand of cognitive

Accessing the Hidden Available Spectrum in Cognitive Radio Networks under GSM-based Primary Networks
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Abstract The Global System for Mobile Communications (GSM) system is generally considered to be one of the most successful cellular standards. However, in the cognitive radio (CR) research community, the GSM system is rarely considered as the primary This work presents a jamming-resistant and deterministic wireless communication system, which is intended to be used in industrial communications. These kind of applications require data communication to be bounded in the time and reliability domains, no matter

A Review on Performance Analysis of Energy Detection Technique for Cognitive Radio over Different Wavelet Family
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Abstract Spectrum scarcity is one of the major problem focuses in the wireless communication technology. Its inefficient utilization in the electromagnetic spectrum is tends to provide the development of the cognitive radio (CR). Cognitive radio is one of the

Analysis of Matched filter based spectrum sensing in cognitive radio
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Abstract- Cognitive radio is a essential tool for a spectrum utilization. It provides opportunity to use spectrum in strategic manner to both Primary users and secondary users. Primary users have a license to use spectrum. Secondary users doesnt have license to use Abstract Cognitive radio and dynamic spectrum access systems are effective ways of using radio spectrum which is a scarce source. Cognitive radio applications changed the paradigm for the wireless communications systems in the past decades. Besides that,

A Survey of Spectrum Prediction Techniques for Cognitive Radio Networks
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Abstract Cognitive radio networks provide an opportunity for unlicensed users (secondary users) to use the allocated spectrum band when not in use by legitimate users (primary users). To use a channel or spectrum, it is required to sense the channel for the presence of

Spectrum Sensing with Energy Detection in Cognitive Radio Networks
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Abstract- Cognitive radio could be a low-price communication system, which might opt for the on the market frequencies and waveforms mechanically on the boundaries of avoiding interrupting the authorized users. The spectrum sensing is that the key modify technology in

Cognitive - radio -based Internet of Things: applications, architectures, Spectrum related functionalities, and future research dIrections
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ABSTRACT Recent research and technology trends are shifting toward IoT and CRNs. However, we think that the things-oriented, Internet-oriented, and semantic-oriented versions of IoT are meaningless if IoT objects are not equipped with cognitive radio Abstract Cooperative spectrum sensing is an effective technique to enhance the sensing performance and improve the spectrum efficiency in cognitive radio networks (CRNs). This chapter considers a CRN with multiple primary users (PUs) and multiple secondary users

Social Spider Algorithm-based Spectrum Allocation Optimization for Cognitive Radio Networks
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Abstract In recent years, applying intelligent algorithms in solving hard problems has become a favorite topic in next generation networking research. Although classical methods have achieved many important outcomes, this new trend promises significant results. This

Energy Efficient Multicasting in Cognitive Radio Networks
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Abstract In this paper, we study the problem of energy minimization for multicasting in cognitive radio networks, using omnidirectional and directional antennas. Our objectives are to build the multicast routing tree and schedule the secondary users transmissions such that

SPECTRUM SENSING IN COGNITIVE RADIO
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Abstract- 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 every organization. It is software defined radio. Cognitive radio

Access Analysis of Secondary Users with an Opportunistic perspective in Cognitive Radio Networks
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Abstract This paper analyses opportunistic access of secondary user in cognitive radio network (CRN) using analytical M/D/1 queuing model. Through using spectrum sharing, secondary user opportunistically share primary user spectrum when it empty. Through

Distributed Routing for Interference Minimization in Cognitive Radio Networks
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Abstract: We investigate the problem of total interference minimization at primary user under the constraint of end-to-end data rate in cognitive radio networks. To solve the problem a cross layer approach is adopted. Closed form expression for power allocation is obtained

Performance Analysis of a Combined Energy Harvesting Cognitive Radio Network
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Abstract: In this paper, an energy-harvesting based Cognitive Radio (CR) system is studied where noise is estimated. The CR system harvests energy from RF signal of PU and non-RF signal. A collision constraint is considered to maintaining the quality of service (QoS) of the Abstract Cognitive radio holds an interesting promise for improved utilization of the radio spectrum. However, there is a considerable degree of uncertainty regarding the potential application of cognitive radio . One of the reasons for this uncertainty is the need for changes

Analog to Digital Cognitive Radio
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Abstract Enabling cognitive radio (CR) requires revisiting the traditional task of spectrum sensing with specific and demanding requirements in terms of detection performance, real time processing, and robustness to noise. Unfortunately, conventional spectrum sensing

Spectrum Sensing Techniques Applied In Cognitive Radio Networks A Comparison
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Abstract Cognitive Radio (CR), a radio with built-in intelligence, became a necessity to overcome the scarcity of available electromagnetic radio spectrum. It efficiently allocates the licensed bands to the unlicensed users when licensed bands are not in use, taking into

Study of Cognitive Radio in Indian Communication Network
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Abstract In this research paper, we shall study cognitive radio in modern applications and systems in short range waves in India, OFDM is modern digital modulation scheme mainly used in Cognitive Radio , Effective utilization of available electromagnetic radio spectrum in

Blind Source Separation-based Full-Duplex Cognitive Radio
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Abstract Full-Duplex has been emerged in Cognitive Radio Network in order to avoid the silence period of the Secondary User (SU) during the Spectrum Sensing. SU should monitor the Primary User (PU) activities in order to avoid any harmful interference. The conventional

Unilateral Right-tail Anderson-Darling Test Based Spectrum Sensing for Cognitive Radio
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In this letter, we propose a novel unilateral right-tail Anderson-Darling (URAD) scheme by exploiting the characteristic of non-symmetrical differences between theoretical cumulative distribution function (CDF) and empirical CDF. The theoretical performance of the proposed

Comparative Study of Bayesian and Energy Detection Including MRC Under Fading Environment in Collaborative Cognitive Radio Network
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Abstract The most important component of Cognitive Radio Network (CRN) is to sense the underutilised spectrum efficiently in fading environment for incorporating the increasing demand of wireless applications. The result of spectrum sensing can be affected by incorrect

Detection of Primary User Emulation (PUE) Attack in Cognitive Radio Network
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Abstract: Lots of new technology has been developed in wireless communication, Cognitive radio is one of the fastest growing technology in this field. Cognitive radio is solution to solve spectrum scarcity problem. In this network, unlicensed users share the spectrum of licensed

Enhancing Opportunistic Routing for Cognitive Radio Network
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Abstract-In recent years, cognitive radios that follow routing policies have been proposed to overcome spectrum scarcity and to make better utilization of spectrum opportunities while avoiding interference to primary users. Cognitive radio technology (CR) allows unlicensed

Serial Search of Vacant Channel in Cognitive Radio Devices with Single Radio Frequency Tranceiver
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Abstract This paper derives the mean channel search time of a serial search scheme in terms of an vacant channel search using single radio frequency (RF) tranceiver. Also, it does the mean channel search time considering a penalty time due to a false alarm when the

A Review on Cognitive Radio for Next Generation Cellular Network and its Challenges
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Abstract: Cognitive Radio (CR) is considered an intelligent technology. It improves the utilization of the radio spectrum. The increasing number of new devices has resulted in growing congestion of the ISM bands. FCC issued an order only permitting unlicensed users

Robust Power Allocation for OFDM-Based Cognitive Radio Networks under Signal-to-Interference-plus-Noise-Ratio Constraints
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Abstract Traditional power allocation schemes in Orthogonal Frequency Division Multiplexing (OFDM) based Cognitive Radio Networks (CRNs) are achieved under perfect channel state information (ie, exact parameter information). Due to channel estimation errors

Multiple-Input/Multiple-Output (MIMO) Systems Using Cognitive Radio Frequency: A Review
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ABSTRACT Multiple-input/multiple-output (MIMO) systems have a great potential to enhance the throughput in the framework of wireless cellular networks. In fact, when using M transmit antennas at the base station and N receive antennas at the mobile user, the capacity of a

Cyclo-Stationary Signature Based Distributed Decision Reporting Scheme Using Centralized Fusion Center for Cognitive Radio Network
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Abstract: Cognitive Radio (CR) is an adaptive, intelligent radio and network technology that can automatically detect available channels in a wireless spectrum and change transmission parameters enabling more communications to run concurrently and also

Review Paper on Spectrum Sensing in Cognitive Radio
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Abstract Cognitive Radio has become more prominent technology over time for the solution of spectrum scarcity problem in wireless communication. It is hard to imagine life without wireless applications and wireless devices. This results into increase in number of users The approval of free usage of frequency spectrum via dynamic spectrum access methods on a non-interfering policy basis in various countries has made the cognitive radio technology a prominent candidate for wireless communication systems. Most of the wireless devices and

Energy Aware Routing Protocol for Cognitive Radio Networks
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Abstract In this article, a routing protocol EARP (Energy Aware Routing Protocol) with the terminal node is proposed, to deal with the impact of the limited energy resources of Cognitive Radio Networks on the whole network routing. The protocol allows choosing the

Deep Recurrent Neural Network for Multiple Time Slot Frequency Spectrum Predictions of Cognitive Radio
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Abstract The main processes of a cognitive radio system include spectrum sensing, spectrum decision, spectrum sharing, and spectrum conversion. Experimental results show that these stages introduce a time delay that affects the spectrum sensing accuracy,

Min-Max MSE-based Interference Alignment for Transceiver Designs in Cognitive Radio Networks
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Abstract. This paper is concerned with an optimal design of the precoders and receive filters for cognitive radio (CR) networks in which multiple secondary users (SUs) share the same frequency band with multiple primary users (PUs). To cope with interference and to achieve

Overlay Cognitive Radio Using MIMO Reconfigurable Filtenna
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ABSTRACT Overlay cognitive radio is described in this paper. Channel activity is endlessly guide by the Wide band sensing antenna and a reconfigurable filtenna need to change the performing frequency. MIMO antenna system is considered to reduce multipath fading and to

Design Implementation of Efficient Analysis and Synthesis QMF Bank for Multicarrier Cognitive Radio Communication.
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Abstract The present section deals with a new type of technique for designing an efficient two channel Quadrature Mirror Filter Bank with constant phase in frequency. For achieving the Perfect Reconstruction Condition in Filter bank, an attempt has been made to design the

Security analysis in cognitive radio network
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In wireless communication system Cognitive Radio (CR) is a structure that can gives an intelligent privileges to communicate over internet. Cognitive Radio (CR) intel-ligently allows user to use free spectrum. It is dynamically configured and it allows more user in wireless

Spectrum Sensing for Cognitive Radio Systems Using Modulation Classification: A Review
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Abstract: Spectrum sensing is the most important procedure for the operation of cognitive radio systems. To overcome the shortcomings of the conventional spectrum sensing techniques, considerable attention has been recently focused on the use of Modulation

Self-Coexistence Strategy in Heterogeneous Cognitive Radio Networks
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Abstract Different from general cognitive wireless networks, there is no centralized scheduling and management infrastructure among heterogeneous cognitive networks. Multiple cells may operate in the same vicinity resulting in unfair spectrum occupation time Cognitive radio (CR), a concept that can solve the conflict between spectrum scarcity and low spectrum utilization, has been researched widely recently [1]. There are mainly three CR models: interweave, overlay and underlay [1]. Among the three CR models, the underlay

Throughput Analysis in Cognitive Radio Networks with Imperfect Sensing Using Slotted Aloha and CSMA Protocols
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Abstract Cognitive radio is a promising technology for the next generation of wireless networks. Performance analysis of multiple access protocols in cognitive radio networks has been presented in the literature, but only considering the unreal situation of perfect channel Abstract Among the many different techniques that have been suggested for spectrum sensing, the eigenvalue-based spectrum sensing (EBSS) techniques exhibit some important advantages. Specifically, they can operate in a totally blind manner while they offer

Maximum Utility Function Approach for Detection of Primary User Emulation Attack in Cognitive Radio Networks
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ABSTRACT Inherent nature of Cognitive Radio (CR) networks has imposed some serious threats to wireless communications. One of the common threats is Primary User Emulation Attack (PUEA). In PUEA, some malicious users try to imitate primary signal characteristics

Energy Saving Strategy in Cognitive Radio Networks
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Abstract: In recent years, the development of intellectual, adaptive wireless devices termed cognitive radios, composed with the introduction of secondary spectrum licensing, has led to a new hypothesis in transportations: cognitive networks. Cognitive networks are wireless

Cognitive Radio Networks with Energy Harvesting Capability: A review on recent advancement
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Abstract Harvesting energy from ambient sources and converting it to electrical energy used to power devices is of increasing importance in designing green communication networks. The increasing demand for spectral and energy efficient communication networks

Low Energy Consumption for Cooperative and Non-cooperative Cognitive Radio
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Abstract-Recently the subject of energy-efficient is very important in cognitive radio (CR), especially during spectrum sensing, since the large energy consumption (EC) cost, produces a restriction in their implementation especially in devices with limited power, ie The radio spectrum is one of the most precious resources which must be managed to ensure efficient access for the wireless communication services which use it. The allocation and management of spectrum are administered by the regulatory authorities. Traditionally,

Blind Spectrum Sensing in Cognitive Radio using BPSK and QPSK Modulation Techniques
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Abstract The increasing demand of wireless applications has put a lot of limitations on the use of available radio spectrum. Survey of spectrum utilization shows that entire spectrum is not used at all the times so that most of the radio spectrum is unutilized. Some of the

Data Integrity and Security [DIS] Based Protocol for Cognitive Radio Ad Hoc Networks
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Abstract In the CRN ( cognitive Radio Networks) the main issues to be addressed are spectrum scarcity and inadequate usage of spectrum. The CRN can analyse the unused spectrum, so that CRN users can easily occupy the unused spectrum without blocking the

Energy Efficient Techniques in Cognitive Radio Networks
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Abstract A cognitive radio framework is a system which grants cognitive user to utilized empty bands. Licensed user (primary user) and cognitive radio users (secondary users) may exist together in a spectrum band, provided that secondary users work without meddling with

Timing Synchronization in Cognitive Radio Systems Using Improved Preamble Structure
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Abstract: In this paper, a new preamble structure is used for the timing synchronization of cognitive radio systems. The preamble is designed to achieve an improved performance by considerably reducing the broad plateau and thereby avoid the need for equalization. The

Cost Effective High Reliability Routing in Multi-Channel Cognitive Radio Networks
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Abstract In this paper we present, a Cost Effective High Reliability Routing (CEHRR) in multi channel multi-hop Cognitive Radio Networks. This is basically a graph based and centralized approach. In CEHRR, we choose both the overallcost and the reliability of the

Cognitive Radio based Spectrum Sensing using different Wavelet Methods
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Abstract Spectrum sensing is used to identify as a key factor to ensure the functionality of cognitive radio which would not interfere with the primary use signals. The cognitive radio is a type of the radio that has the ability to change the transmission and reception parameter

Analysis of MAC protocol for Cognitive Radio Wireless Sensor Network (CR-WSN)
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Abstract-Todays spectrum environment faces so many challenges but the spectrum scarcity is one of the most critical problem. To solve this problem effectively, Cognitive radio is a perfect technology identifying the vacant portion of the spectrum and also ensuring that

Efficient Multi Stage Spectrum Sensing Technique For Cognitive Radio Networks Under Noisy Condition
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Abstract Cognitive radio has potential to efficiently use the frequency band allotted to the licensed user (primary user) in order to minimize the problem of inefficient spectrum usage. In this paper, proposed work is the combination of the two wellknown detection methods:

Novel Spectrum-Sensing Algorithms for Cognitive Radio Based on with and without Signal Information
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In first module presents a spectrum monitoring algorithm for Orthogonal Frequency Division Multiplexing (OFDM) based cognitive radios by which the primary user reappearance can be detected during the secondary user transmission. The proposed technique reduces the

A sub-mW spectrum sensing architecture for portable IEEE 802.22 cognitive radio applications
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Abstract A low power integrating mixer successive approximation register (SAR) prototype chip for spectrum sensing is fabricated for portable transceivers targeting IEEE 802.22 cognitive radio applications. The integrating mixer SAR combines mixing, current-domain

An Analysis of Spectrum Sensing Techniques for Cognitive Radio
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ABSTRACT Spectrum is a very scarce and precious resource for a communication system. The entire spectrum will not be used all the time. Some part of the spectrum always remains unused. Also, the television transmission is shifting from analog to digital. Hence, the

A Review on Improve Energy Efficiency in Cognitive Radio Ad Hoc Networks by Selecting Secondary User
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Abstract Wireless networks combining the advantages of both mobile ad-hoc networks and infrastructure wireless networks have been receiving increased attention due to their ultra high performance. Users have capability to sense available spectrum in Cognitive Radio

Improve Energy Efficiency in Cognitive Radio Ad Hoc Networks by Selecting Secondary User
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Abstract: Wireless networks combining the advantages of both mobile ad-hoc networks and infrastructure wireless networks have been receiving increased attention due to their ultra high performance. Users have capability to sense available spectrum in Cognitive Radio

Cognitive Anti-Jamming Framework with Self-Interference Cancellation on a Wideband Autonomous Cognitive Radio
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Abstract With crowded usage of the wireless spectrum, full-duplex wireless systems are introduced to increase bandwidth efficiency by transmitting and receiving on the same frequency band at the same time. Full-duplex communication is a promising solution for

ENERGY EFFICIENT CHANNEL ALLOCATION FOR COGNITIVE RADIO IN TELEVISION SYSTEMS
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Abstract Energy-efficient resource assignment for cognitive radios operating in television systems (TV white spaces) presents a different challenge compared with other cognitive radios because the interference constraint is for the whole frequency band rather than per

Realization of Spectrum Sensing in Cognitive Radio
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Abstract: The radio spectrum is becoming increasingly rare. The demand and needs of new wireless applications are escalating dramatically; likewise, the bands less than 3 GHz are extremely sparse. Radio spectrum has become bottleneck that could obstruct the new

Energy Efficient Spectrum Sensing Routing Protocol (EESSRP) in Cognitive Radio Adhoc Network
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Abstract Routing plays an important role in Cognitive Radio Ad-hoc Network and it has n number of problems. Routing has two major issues such as Energy efficiency, Spectrum load balance. Thus maintaing the spectrum load balance and energy efficiency becomes

Spectrum Sensing Techniques in Cognitive Radio Network
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Abstract Cognitive radio is a radio system that leverages the services of other radio systems by using various algorithms and interoperability inform of gateway which has the capabilities of observed, learned and senses a frequency from its presents environment to adjust and be

Comparative Study of Different Non-Cooperative Techniques in Cognitive Radio
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Abstract-Wireless technology is expanding its domain and with it is growing the need for more frequencies for communication. Cognitive radio offers a solution to this problem by using the concept of Dynamic spectrum access instead of fixed spectrum allocation. Such

Equal Gain Combining in Cooperative Spectrum Sensing of Cognitive Radio Network: A Review
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ABSTRACT Reliable detection of the existence of primary users is a primary requirement for the minimization of interference to existing primary networks. Cognitive radio (CR) systems need to detect the presence of licensed primary user (PU) reliably. Spectrum sensing is one

Impact of AWGN, Rayleigh and Rician FadingChannels on BER Performance of a Cognitive Radio Network
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Abstract The paper discusses the model building of the cognitive radio system by using MATLAB Simulink model. This model is a useful tool for BER (Bit error rate) performance evaluation for the real data communication by the cognitive radio system under different

A Reinforcement Learning Based Clustering and Cooperative Channel Sensing Algorithm for Cognitive Radio Wireless Sensor Network
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Abstract Energy efficiency and spectrum efficiency are two main challenges in the realization of Cognitive Radio -Wireless Sensor Network (CR-WSN). Clustering is a well-known technique that could be used to achieve energy efficient communication and to enhance Abstract An experimental evaluation of an LTE Cognitive Radio (CR) Network, implemented using highly integrated Software Defined Radio (SDR) platform is presented. Each transceiver can be configured as a primary (resp. secondary) eNodeB or a primary

Enhancement in Gain for Centralized Cooperative Spectrum Sensing in Cognitive Radio Network using Improved Local Sensing
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Abstract: The parallel fusion model universalizes centralized and decentralized cooperative spectrum sensing as a three step process comprising of: local sensing, information reporting and information fusion. It is quite obvious that any amelioration in the performance quality of

Cognitive Radio Systems: Conceptual Architectures Cycles Designed Adaptations And Security
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Abstract: This paper proposes an integrated cognitive radio conceptual archicteture designed that qualified the radio to be called as an intellegent radio, the radio is classified and defined as promising technology leverage the services of other radio networks and

Primary User Emulation Attack (PUEA) Analysis in Cognitive Radio Network
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Abstract With the progression in wireless networking, there is an escalating problem of spectrum scarcity. To resolve this issue, a technology called Cognitive Radio (CR) was introduced, in which the secondary users can sense the spectrum and use the licensed

Implementation of Particle Swarm Optimization Technique for Spectrum Sensing in Cognitive Radio Networks
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Abstract Cognitive Radio has a fixed time frame to sense its environment and to transmit the data. If the sensing time of the CR is more, then there will be less time for transmission ie throughput will be small and if the transmission time is more, then there will be interference

Improving Connectivity of Cognitive Radio VANETs
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Abstract The current trends in vehicular adhoc networks are bringing a variety of changes to the existing one. The primary focuses in the area of vehicular adhoc networks are connectivity and file distribution which is broadcast by roadside units to the onboard units

A Real Time Survey On Attacks And Detection Strategies For Primary User Emulator In Cognitive Radio Networks
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Abstract: A Cognitive Radio (CR) can be programmed and configured dynamically to use the best wireless channels in its vicinity. Such a radio automatically detects available channels in wireless spectrum, then accordingly changes its transmission or reception parameters to

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