Optimal channel allocation for cognitive radios

J. M. Chung; C. H. Kim; J. H. Park; J. Shin; D. Kim

doi:10.1049/el.2010.0829

Optimal channel allocation for cognitive radios

J. M. Chung, C. H. Kim, J. H. Park, J. Shin, D. Kim

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

A channel allocation mechanism for cognitive radios (CRs) is proposed to enable maximum throughput and minimum forced termination probability for CR users (CUs) that are not capable of spectrum handover (SH). SH is an optimal collision-avoidance scheme used by CUs to evacuate from time-slots that will be used by primary users (PUs) based on time-slot assignment (TA) information obtained in advance. The proposed scheme has extensive applicability for CR-networks where SH is not possible owing to PU TA information not being obtainable in advance, which is very common. For CR-networks without SH capability, the proposed scheme enables remarkable throughput performance, equivalent to the level of when SH is used.

Original language	English
Pages (from-to)	802-803
Number of pages	2
Journal	Electronics Letters
Volume	46
Issue number	11
DOIs	https://doi.org/10.1049/el.2010.0829
Publication status	Published - 2010 May 27

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1049/el.2010.0829

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AU - Kim, D.

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AB - A channel allocation mechanism for cognitive radios (CRs) is proposed to enable maximum throughput and minimum forced termination probability for CR users (CUs) that are not capable of spectrum handover (SH). SH is an optimal collision-avoidance scheme used by CUs to evacuate from time-slots that will be used by primary users (PUs) based on time-slot assignment (TA) information obtained in advance. The proposed scheme has extensive applicability for CR-networks where SH is not possible owing to PU TA information not being obtainable in advance, which is very common. For CR-networks without SH capability, the proposed scheme enables remarkable throughput performance, equivalent to the level of when SH is used.

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Optimal channel allocation for cognitive radios

Abstract

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