Analysis and Proposal of Wireless Mesh Network's Routing Metric for WBAN

Yang, Sooyeol; Yun, Jeongbae; Yun, Jangkyu; Lee, Honggil; Han, Kijun

doi:10.1109/netcom.2009.37

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“…Wireless ad-hoc networks support multihops communication between access points to improve communication coverage and ensure connectivity. Thus, power consumption and mobility is not a major problem, routing protocols generally concern about the link quality [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

An Available Transmission Time Routing Metric for Wireless Ad-Hoc Sensor Networks

Sun

Zhang

2011

International Journal of Distributed Sensor Networks

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Routing metric is very important for performance of wireless ad hoc sensor networks. ETX and ETT routing metrics cannot accurately estimate the average transmission time since they do not take back-off scheme of IEEE 802.11 in Mac layer into account. We present a new available transmission time (ATT) routing metric based on IEEE 802.11 DCF, which considers available link bandwidth and also takes physical transmission rates into account. A plugin for OLSR routing protocol daemon is implemented on Linux platform, and experiments are taken to compare ATT with ETX and ETT. Our results show that the ATT metric has the lowest packet loss rate and the lowest jitter rate among the analyzed metrics. ATT also outweigh other two metrics in the network performance, so it is the most appropriate for wireless ad hoc sensor networks.

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Section: Introductionmentioning

confidence: 99%