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Probability of SNR Gain by Dual-Hop Relaying over Single-Hop Transmission in SISO Rayleigh Fading Channels
- Authors
- Lee, In-Ho; Kim, Dongwoo
- Issue Date
- Oct-2008
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Probability of SNR gain; dual-hop SISO system; nonregenerative and regenerative systems; Rayleigh fading channels
- Citation
- IEEE Communications Letters, v.12, no.10, pp 734 - 736
- Pages
- 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Communications Letters
- Volume
- 12
- Number
- 10
- Start Page
- 734
- End Page
- 736
- ISSN
- 1089-7798
1558-2558
- Abstract
- In this letter, we address the end-to-end signal-to-noise ratio (SNR) gain achievable by dual-hop relaying over the single-hop transmission in single-input single-output (SISO) flat Rayleigh fading channels. We deal with both nonregenerative and regenerative relaying schemes. To quantify the SNR gain, a closed-form expression of the probability of SNR gain is developed. The probability of SNR gain results in an explicit function of an average power ratio of the per-hop channel in dual-hop relaying to the channel in the single-hop transmission We investigate impacts of the average power ratio as well as the relaying location on the SNR gain.
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Related Researcher
- Kim, Dong woo
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)