A Survey on Cognitive Radio Spectrum Sensing: Classifications and Performance Comparison

Javed, Jehanzaib Nasim; Khalil, Mohsin; Shabbir, Akmal

doi:10.1109/icic48496.2019.8966677

Cited by 15 publications

(6 citation statements)

References 57 publications

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“…If the PU information is known prior, other detection methods can be used. Using decision metric, the detection probability P d and the false alarm probability P f can be evaluated with the help of a hypothesis test [7].…”

Section: ( ) ( ) ( )mentioning

confidence: 99%

“…Therefore, it is required to get a latency of less than 1 msec to meet the forthcoming 5G systems [6]. Javed et al [7] have given various methods to sense the PU spectrum with its pros and cons. Framework models that intermittently stop the SU transmission to detect the channel have been broadly proposed to recognize the beginning of the PU transmission and given various performance parameters' comparison.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Low Access Latency and High Throughput for Full-Duplex Cognitive Radio Using Mobility Caching Placement Strategy

Srilatha¹,

Bharathi

2022

Adv. technol. innov.

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In a remote framework, the densely allotted radio range is not effectively utilized by an authorized primary user, which limits a secondary user to avoid disturbance to a primary user while utilizing a channel. To solve the shortage problem of accessible range, this study proposes a mobility caching placement strategy (MCPS) based sliding window scheme to optimize the latency and throughput of cognitive radio system. The performance parameters of the proposed system are analyzed using energy detection metrics by considering full-duplex communication. By the MATLAB analysis and the evaluation with and without self-interference suppression, the results demonstrate that the entrance inactivity of the MCPS based sliding window is diminished by a factor of 1.9 as contrasted with the existing full-duplex systems. With the improved latency and throughput, the proposed method can avoid the ruinous impacts of drawn-out self-residual suppression more effectively compared to the existing approaches.

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Section: ( ) ( ) ( )mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Low Access Latency and High Throughput for Full-Duplex Cognitive Radio Using Mobility Caching Placement Strategy

Srilatha¹,

Bharathi

2022

Adv. technol. innov.

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“…High sample rates, high-resolution A/D converters, and fast signal processors are necessary for wideband spectrum sensing [53]. It is difficult to create wideband spectrum sensing systems that meet these characteristics while still being simple and inexpensive to compute [54]. Wideband spectrum sensing has achieved significant advancements previously, yet there are still many problems in this field [55][56][57][58][59][60][61][62][63].…”

Section: Research Challenges In Spectrummentioning

confidence: 99%

Cognitive Wireless Networks Based Spectrum Sensing Strategies: A Comparative Analysis

Haldorai¹,

Sivaraj²,

Nagabushanam

et al. 2022

Applied Computational Intelligence and Soft Computing

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Because of numerous dormant application fields, wireless sensor networks (WSNs) have emerged as an important and novel area in radio and mobile computing research. These applications range from enclosed system configurations in the home and office to alfresco enlistment in an opponent’s landmass in a strategic flashpoint. Cognitive radio networks (CRNs) can be created by integrating radio link capabilities with network layer operations utilizing cognitive radios. The goal of CRN design is to optimize the general system operations to meet customer requirements at any location worldwide by much more efficiently addressing CRNs instead of simply connecting spectrum utilization. When compared to conventional radio networks, CRNs are more versatile and susceptible to wireless connections. Recent advancements in wireless communication have resulted in increasing spectrum scarcity. As a modern innovation, cognitive radio aims to tackle this challenge by proactively utilizing the spectrum. Because cognitive radio (CR) technology gives assailants additional possibilities than a normal wireless network, privacy in a CRN becomes a difficult challenge. We concentrate on examining the surveillance system at a societal level, in which both defense and monitoring are critical components in assuring the channel’s privacy. The current state of investigation into spectrum sensing and potential risks in cognitive radios is reviewed in this study.

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“…As a practical model and study of described spectrum sharing types, IEEE 802.22 is a CR idea employed by TV broadcasting. A comparison technique of three detecting methods was used in [23] to address range shortage. Time, method complexity, and whether or not data should be obtained prior to conducting range operations determine how each option is implemented.…”

Section: Literature Reviewmentioning

confidence: 99%

Spectrum Sensing Utilizing Power Threshold and Artificial Intelligence in Cognitive Radio

Abbood¹,

Abbas²,

Makki³

2022

IJRCS

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The purpose of this paper was to take a preventative approach to predict the transmission status of the primary user (PU) on the white spectrum throughout the duration of the simulation. We intend to reduce the computational simulation budget to eliminate user interference by precise spectrum sensing handoff. We develop PU behaviors to use a time waiting estimate methodology that gives band occupancy time intervals. The proposed strategy may also lessen risks associated with flexible clients and adapt to changing channels. Real-time applications will use ANN range sharing, which reduces transmission delay, while high-throughput applications will use PTHD range sharing. Since noise as well as obscuring effects after each transmission plan, their proximity in the channel can influence range detection. This finding is in line with published investigations. Most range detection systems compare frequency test results with the operating channel's control scope thickness. The paper met design objectives by developing a noise-independent sensing methodology with proactive time estimation. The trial is accomplished with reduced cost and latency.

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A Survey on Cognitive Radio Spectrum Sensing: Classifications and Performance Comparison

Cited by 15 publications

References 57 publications

Low Access Latency and High Throughput for Full-Duplex Cognitive Radio Using Mobility Caching Placement Strategy

Low Access Latency and High Throughput for Full-Duplex Cognitive Radio Using Mobility Caching Placement Strategy

Cognitive Wireless Networks Based Spectrum Sensing Strategies: A Comparative Analysis

Spectrum Sensing Utilizing Power Threshold and Artificial Intelligence in Cognitive Radio

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