Ghassan Alnwaimi , Hatem Boujemaa , Kamran Arshad
King Abdulaziz University, Kingdom of Saudi Arabia , University of Carthage, Sup’Com, COSIM Laboratory, Tunisia , College of Engineering, Ajman University
Abstract
In this article, we suggest optimizing packet length for two way relaying with
energy harvesting. In the first transmission phase, two source nodes N1 and N2 are
transmitting data to each others through a selected relay R. In the second phase,
the selected relay will amplify the sum of the signals received signals from N1 and
N2. The selected relay amplifies the received signals using the harvested energy
from Radio Frequency (RF) signals transmitted by nodes N1 and N2. Finally, N1
will remove, from the relay’s signal, its own signal to be able to decode the symbol
of N2. Similarly, N2 will remove, from the relay’s signal, its own signal to be able to
decode the symbol of N1. We derive the outage probability, packet error probability
and throughput at N1 and N2. We also optimize packet length to maximize the
throughput at N1 or N2.
Index Terms
Cooperative systems, Optimal packet length, Rayleigh fading channels
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