Delay-Aware Load Balancing Over Multipath Wireless Networks

The ability of mobile devices to be connected to more than one radio node at the same time enables mobile devices to transmit and receive traffic to and from multiple paths. This ability helps to increase the average mobile device data rate and to improve the network reliability. Load balancing amon...

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Vydáno v:IEEE transactions on vehicular technology Ročník 66; číslo 8; s. 7485 - 7494
Hlavní autoři: Delgado, Oscar, Labeau, Fabrice
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.08.2017
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Communications traffic
Computer simulation
delay aware load balancing algorithm (DALBA)
Delays
Electronic devices
end-to-end delay
Ethernet
Load balancing
Load management
Load modeling
Mobile communication systems
Mobile handsets
multipath
Network reliability
packet reordering
Quality of service
Reliability aspects
Servers
Streaming media
Traffic congestion
Traffic delay
Traffic flow
Uplink
Wireless networks
ISSN:0018-9545, 1939-9359
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Popis
Shrnutí:The ability of mobile devices to be connected to more than one radio node at the same time enables mobile devices to transmit and receive traffic to and from multiple paths. This ability helps to increase the average mobile device data rate and to improve the network reliability. Load balancing among multiple paths become a key factor to avoid network congestion, nevertheless it requires efficient techniques to split traffic without adding more delay or generating too much packet reordering for delay-sensitive traffic. In this paper, we address two key issues in the context of uplink wireless mobile networks: 1) how to accurately split traffic among multiple paths and 2) how to minimize the end-to-end delay without increasing packet reordering. We propose delay-aware load balancing algorithm (DALBA), a novel strategy that splits traffic at the granularity of the packet. DALBA aims to minimize the splitting error (SE) and the end-to-end delay difference by effectively using all of the available paths. We analyze DALBA's performance through extensive simulations using H.264 video traffic. Numerical results demonstrate that DALBA outperforms previous algorithms in terms of SE, end-to-end delay and peak signal-to-noise ratio while keeping packet reordering to a suitable low value.
Bibliografie:ObjectType-Article-1
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ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2017.2655011