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Primary User

Robust Cooperative Spectrum Sensing under Primary User Emulation Attack in Cognitive Radio Networks

Robust Cooperative Spectrum Sensing under Primary User Emulation Attack in Cognitive Radio Networks

... is Primary User Emulation Attack ...mimic primary signal characteristics and deceive CR users to prevent them from accessing the vacant frequency ...

9

Primary User Signal Detection Based on Virtual Multiple Antennas for Cognitive Radio Networks

Primary User Signal Detection Based on Virtual Multiple Antennas for Cognitive Radio Networks

... In the general model of the spectrum sensing, a threshold must be determined to compare with a test statistic of the sensing metric in order to determine the presence of a primary user. Since the eigenvalue ...

15

Performance Analysis of Primary User Aware Heuristic Dynamic Spectrum Channel Allocation

Performance Analysis of Primary User Aware Heuristic Dynamic Spectrum Channel Allocation

... Since primary user s have the correct of claiming the spectrum whenever required, it's crucial to make sure that primary users' satisfaction and QoS don't seem to be wedged by SUs' activity on the ...

5

Partial relay based cooperative primary user detection in cognitive radio networks

Partial relay based cooperative primary user detection in cognitive radio networks

... In order to identify spectrum holes, secondary users (SUs) should detect whether the spectrum band is occupied by primary user (PU). Cooperative PU detection is the most prevalent PU detection method in ...

7

Optimal resource allocation for cognitive radio networks with primary user outage constraint

Optimal resource allocation for cognitive radio networks with primary user outage constraint

... secondary user (SU) is allowed to share the spectrum with a primary user (PU) as long as the quality-of-service (QoS) requirement of the primary transmission is guaranteed ...

13

Power Allocation in Primary User Assisted Multi Channel Cognitive Radio Networks

Power Allocation in Primary User Assisted Multi Channel Cognitive Radio Networks

... the primary user using spectrum sharing, where the SU coexists with the PU and transmits with power constraints to guarantee the quality of service (QoS) of the ...

7

A survey on security attacks and countermeasures with primary user detection in cognitive radio networks

A survey on security attacks and countermeasures with primary user detection in cognitive radio networks

... or primary users (PUs), the most fundamental and challenging requirement for the successful operation of CR ...of primary users, with a particular focus on spectrum sensing data falsification and ...

14

Spectrum Sensing and Primary User Localization in Cognitive Radio Networks via Sparsity

Spectrum Sensing and Primary User Localization in Cognitive Radio Networks via Sparsity

... The theory of compressive sensing (CS) has been employed to detect available spectrum resource in cognitive radio (CR) networks recently. Capitalizing on the spectrum resource underutilization and spatial sparsity of ...

14

Primary user signal detection over fading channel in the presence of weakly correlated noise

Primary user signal detection over fading channel in the presence of weakly correlated noise

... Cyclostationary detection [2] performs better in low SNR region but with increased complexity compared to energy detection. A signal is said to be cyclostationary (wide sense) if its autocorrelation is a periodic ...

8

Maximum Utility Function Approach for Detection of Primary User Emulation Attack in Cognitive Radio Networks

Maximum Utility Function Approach for Detection of Primary User Emulation Attack in Cognitive Radio Networks

... is Primary User Emulation Attack ...imitate primary signal characteristics and defraud CR users to prevent them from accessing the spectrum ...

5

Capacity maximization threshold design for wideband sensing with guaranteed minimum primary user rate

Capacity maximization threshold design for wideband sensing with guaranteed minimum primary user rate

... Cognitive radio (CR) [1] is promising to leverage the spectrum holes which hide in the grossly underutilized licensed band due to the inflexible spectrum manage- ment [2,3]. To achieve this, the secondary user ...

7

PSD based primary user detection in Cognitive Radio systems operating in impulsive noise environment

PSD based primary user detection in Cognitive Radio systems operating in impulsive noise environment

... At transmitter end, modulated input signals with different carrier frequencies are generated. These signals simulate five different channels representing five number of primary users (PUs). All signals are then ...

6

Position Verification and Identification of Primary User Emulation (PUE) Attack in Cognitive Radio Network

Position Verification and Identification of Primary User Emulation (PUE) Attack in Cognitive Radio Network

... Abstract: Most of the people depend on the wireless spectrum in order to properly function. Wireless communication has many applications such as health services, national defense, security surveillance, financial ...

17

Secure Collaborative Spectrum Sensing in the Presence of Primary User Emulation Attack in Cognitive Radio Networks

Secure Collaborative Spectrum Sensing in the Presence of Primary User Emulation Attack in Cognitive Radio Networks

... is Primary User Emulation Attack ...imitate primary signal characteristics and defraud the CR users to prevent them from accessing the idle frequency ...

8

Study of Primary User Emulation Attack in Cognitive Radio Systems

Study of Primary User Emulation Attack in Cognitive Radio Systems

... on primary user emulation attack (PUEA) as of the main specific attacks on ...for primary user emulsion attacks are studied from different point of ...

8

Primary User Localization Schemes in Cooperative Sensing

Primary User Localization Schemes in Cooperative Sensing

... one primary user and at least four secondary users which receive signals from the primary ...secondary user shares its position and the measured RSS values with the base ...secondary ...

5

Detection of Primary User in Cognitive Radio Using Bayesian Approach

Detection of Primary User in Cognitive Radio Using Bayesian Approach

... to primary users (PUs) as long as the primary users are not using it ...the primary users, the SUs have to perform spectrum sensing before their attempts to transmit over the ...modulated ...

5

Primary User Avoidance algorithm for CRAHNs using Reinforcement Learning

Primary User Avoidance algorithm for CRAHNs using Reinforcement Learning

... of primary user by avoiding secondary users to enter primary user coverage area, which is not known in ...avoid primary user within a region where primary user is ...

7

Cooperative Detection for Primary User in Cognitive Radio Networks

Cooperative Detection for Primary User in Cognitive Radio Networks

... of primary users as quickly as possible. Suppose that the primary user starts using the spectrum ...with primary user. However, when the wireless link between the primary ...

12

Balancing outage performance of primary user and secondary user by relay assisted primary transmission

Balancing outage performance of primary user and secondary user by relay assisted primary transmission

... called primary users, have a portion of licensed spectrum to transmit sig- ...of primary users without harmful interference, was proposed to realize spectrum ...

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