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Content Provider | IET Digital Library |
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Author | Van, Khuong Ho |
Abstract | This study first modifies the traditional partial relay selection in cooperative cognitive networks to prevent error propagation and then proposes exact and asymptotic outage analysis for the modified partial relay selection under practical operation conditions such as channel estimation errors (CEEs) on all wireless channels, independent and non-identical fading distributions, interference power constraint, and maximum transmit power constraint. The proposed analysis is useful in assessing system performance in important parameters as well as providing insights into performance limits without exhaustive simulations. Moreover, in order to quantitatively evaluate the performance gain of utilising the direct channel between the source and the destination in relaying communications, the authors extend their proposed analysis to dual-hop cognitive networks. Illustrative results demonstrate that CEEs and outage threshold significantly degrade system performance, and the direct channel dramatically contributes to performance improvement of relaying communications. |
Starting Page | 219 |
Ending Page | 226 |
Page Count | 8 |
ISSN | 17518628 |
Volume Number | 10 |
e-ISSN | 17518636 |
Issue Number | Issue 2, Jan (2016) |
Journal | IET Communications |
Publisher Date | 2016-01-21 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Asymptotic Outage Analysis Channel Estimation Channel Estimation Error Cognitive Radio Communication Channel Equalisation And Identification Cooperative Cognitive Network Cooperative Communication Dual-hop Cognitive Network Electromagnetic Compatibility Error Propagation Prevention Exact Outage Analysis Fading Channel Independent Fading Distribution Interference Interference Power Constraint Maximum Transmit Power Constraint Modified Partial Relay Selection Nonidentical Fading Distribution Radio Frequency Interference Radio Link And Equipment Relay Network Relaying Communication System Performance Assessment Telecommunication Wireless Channel |
Content Type | Text |
Resource Type | Article |
Subject | Computer Science Applications Electrical and Electronic Engineering |
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