Analytical model for optimal data transmission policy in two-way relay network coding under phase type arrivals

The authors consider a scenario in which two wireless nodes communicate via a single access-point with two buffers using network coding. The access point first pairs each data packet being sent from each node and then performs the network coding operation. Packets arriving at the access point that a...

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Bibliographic Details
Published in:IET communications Vol. 13; no. 17; pp. 2697 - 2704
Main Author: Gunasekara, Charith
Format: Journal Article
Language:English
Published: The Institution of Engineering and Technology 29.10.2019
Subjects:
access point
buffers
network coding
network coding operation
network coding opportunity
optimal data transmission policy
pairs each data packet
phase type arrivals
phase type data arrivals
queueing theory
radio networks
Research Article
single access‐point
two‐way relay network coding
wireless nodes
access point
network coding
radio networks
queueing theory
buffers
pairs each data packet
phase type data arrivals
network coding opportunity
optimal data transmission policy
wireless nodes
two-way relay network coding
phase type arrivals
single access-point
network coding operation
ISSN:1751-8628, 1751-8636
Online Access:Get full text
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Summary:The authors consider a scenario in which two wireless nodes communicate via a single access-point with two buffers using network coding. The access point first pairs each data packet being sent from each node and then performs the network coding operation. Packets arriving at the access point that are unable to be paired are instead loaded into one of the two buffers at the access point. When one of the buffers is empty and the other is not, network coding is not possible. When this happens, the access point must either wait for a network coding opportunity, or transmit the unpaired packet without coding. The authors analyse the trade-off that arises between decreasing packet delay time, and increasing efficiency of the wireless spectrum usage as double-ended push-out queueing theory problem under phase type data arrivals. They use this model to resolve the optimal threshold policy and analyse the performance of the system.
ISSN:1751-8628
1751-8636
DOI:10.1049/iet-com.2018.6230