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Time and Power Allocation for Collaborative Primary-Secondary Transmission Using Superposition Coding
- Authors
- Shin, Eun-Hee; Kim, Dongwoo
- Issue Date
- Feb-2011
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Time and power allocation; collaborative spectrum sharing; superposition coding
- Citation
- IEEE Communications Letters, v.15, no.2, pp 196 - 198
- Pages
- 3
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- IEEE Communications Letters
- Volume
- 15
- Number
- 2
- Start Page
- 196
- End Page
- 198
- ISSN
- 1089-7798
1558-2558
- Abstract
- This letter considers applying superposition coding (SC) in collaborative primary-secondary spectrum sharing environments where the secondary transmitter acts as a relay of the primary signal and is allowed to transmit its own signal only if it is not harmful to the primary transmission. Time and power allocation is optimized and numerical comparison shows that the proposed approach makes significant improvement in the achievable secondary rate.
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Related Researcher
- Kim, Dong woo
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)