Improved Random Access Protocol for Cooperative Spectrum Sensing in Cognitive Radio Networks

Rose, Kenneth; Kumar, Manoj

doi:10.1109/icacc.2015.81

Cited by 1 publication

(2 citation statements)

References 12 publications

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“…The issue concerning the SD when the primary user is enabled or disabled is designated to detect temporal spectrum [19]. In [11,12], joint spatial-temporal SD system is proposed which utilizes spatial sensing information to improve temporal sensing performance. Compared to both pure temporal and pure spatial, the scheme in [12] shows improved performance.…”

Section: Related Workmentioning

confidence: 99%

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Performance Analysis of New Spectrum Sensing Scheme Using Multiantennas with Multiuser Diversity in Cognitive Radio Networks

Yawada

Dong

2018

Wireless Communications and Mobile Computing

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The spectrum detection (SD) is a critical step in cognitive radio (CR) to identify the available spectrum and avoid interference and harm to primary users (PUs). Nonetheless, the practical detection process is often compromised with problems of receptors uncertainty, shadows, and multipath fading. To overcome these problems, a cooperative SD scheme is proposed by exploiting the system multiantenna (MUA) with the multiuser diversity (MUD). The SD gives unlicensed secondary users (SUs) the opportunity to use the licensed spectral band until the PU makes its appearance. By allowing the cooperation between the SUs of the same spectral band, the time of the detection is reduced and increases the general dexterity, which is the strong point of cooperative SD. In this paper, we proposed an SD scheme using a new MUA design. The scheme proposed is a clear difference compared to other systems because in this design weight of quantification is multiplied by each receiving antenna. The scheme has the ability to detect low-level signals to facilitate sharing between the SU and PU system. The numerical results are made to prove the performance of the proposed system compared to the conventional system. The results obtained confirm the efficiency of the proposed scheme.

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Section: Related Workmentioning

confidence: 99%

“…Our work focuses on the detection of the temporal spectrum. However, the proposed new detection scheme can be incorporated into the SD space to obtain a spatiotemporal SD system [11,12]. The proposed scheme of SD with the MUA is a framework of cooperative detection in order to overcome the shadowing and the low SNR.…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of New Spectrum Sensing Scheme Using Multiantennas with Multiuser Diversity in Cognitive Radio Networks

Yawada

Dong

2018

Wireless Communications and Mobile Computing

View full text Add to dashboard Cite

show abstract

Improved Random Access Protocol for Cooperative Spectrum Sensing in Cognitive Radio Networks

Cited by 1 publication

References 12 publications

Performance Analysis of New Spectrum Sensing Scheme Using Multiantennas with Multiuser Diversity in Cognitive Radio Networks

Performance Analysis of New Spectrum Sensing Scheme Using Multiantennas with Multiuser Diversity in Cognitive Radio Networks

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