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Minimum Outage Probability for the Relay Channel under Individual Power Constraints
Date
2012-07-01
Author
Yüksel Turgut, Ayşe Melda
YÜKSEKKAYA, BARIŞ
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this letter, minimum outage probability for a fading relay channel is considered for long-term individual power constraints (IPC1) at the source and the relay. By utilizing Lagrange multiplier theory, it is shown that solving the IPC problem is equivalent to solving a weighted sum power constrained (wSPC) problem. Opportunistic decode and forward (ODF), and simplified ODF (SODF) protocol performances are investigated and compared with a lower bound on outage probability, under both individual and sum power constraints (SPC). It is shown that, under IPC, the source or the relay does not necessarily deplete its average power constraint, but some power can remain unutilized for ODF or SODF.
Subject Keywords
Lagrange multipliers
,
outage probability
,
relay channel
,
resource allocation
,
RESOURCE-ALLOCATION
,
FADING CHANNELS
URI
https://hdl.handle.net/11511/96535
Journal
IEEE COMMUNICATIONS LETTERS
DOI
https://doi.org/10.1109/lcomm.2012.050912.112192
Collections
Department of Electrical and Electronics Engineering, Article
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A. M. Yüksel Turgut and B. YÜKSEKKAYA, “Minimum Outage Probability for the Relay Channel under Individual Power Constraints,”
IEEE COMMUNICATIONS LETTERS
, vol. 16, no. 7, pp. 982–985, 2012, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/96535.