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Optimal time allocation for two‐way relay channel using physical‐layer network coding
- Source :
- IET Communications. 8:2469-2475
- Publication Year :
- 2014
- Publisher :
- Institution of Engineering and Technology (IET), 2014.
-
Abstract
- This study proposes an optimal time allocation scheme for two-way relay channel (TWRC) using the physical-layer network coding (PNC). In other words, this study analytically determines the optimal transmit time durations for the first and the second time slot, which maximise the achievable sum rate under a sum time constraint for a given squared magnitude of the channel coefficients and transmit power values. Numerical results show that the achievable sum rate for the proposed optimal time allocation is greater than or equal to that for equal time allocation.
- Subjects :
- Physical layer network coding
Mathematical optimization
Channel allocation schemes
Real-time computing
Transmitter power output
Time optimal
Computer Science Applications
Linear network coding
Time constraint
Electrical and Electronic Engineering
Relay channel
Computer Science::Information Theory
Mathematics
Communication channel
Subjects
Details
- ISSN :
- 17518636
- Volume :
- 8
- Database :
- OpenAIRE
- Journal :
- IET Communications
- Accession number :
- edsair.doi...........1e633f819011a5c07709f8d3191cfa02