Adaptive Space-Time Coding using ARQ
Journal article, 2014

We study the energy-limited outage probability of the block space-time coding (STC)-based systems utilizing automatic repeat request (ARQ) feedback and adaptive power allocation. Taking the ARQ feedback costs into account, we derive closed-form solutions for the energy-limited optimal power allocation and investigate the diversity gain of different STCARQ schemes. Also, sufficient conditions are derived for the usefulness of ARQ, in terms of energy-limited outage probability. The results show that, for a large range of feedback costs, the energy efficiency is substantially improved by the combination of ARQ and STC techniques, if optimal power allocation is utilized.

feedback cost

green communication

outage probability

power allocation

space-time coding

Automatic repeat request (ARQ)

Author

Behrooz Makki

Chalmers, Signals and Systems, Communication and Antenna Systems, Communication Systems

Tommy Svensson

Chalmers, Signals and Systems, Communication and Antenna Systems, Communication Systems

Thomas Eriksson

Chalmers, Signals and Systems, Communication and Antenna Systems, Communication Systems

Mohamed-Slim Alouini

King Abdullah University of Science and Technology (KAUST)

IEEE Transactions on Vehicular Technology

0018-9545 (ISSN)

Vol. 64 9 4331-4337 6918481

Areas of Advance

Information and Communication Technology

Subject Categories

Telecommunications

Communication Systems

Signal Processing

DOI

10.1109/TVT.2014.2362173

More information

Latest update

4/12/2018