Coping with communication gray zones in IEEE 802.11b based ad hoc networks
WOWMOM '02 Proceedings of the 5th ACM international workshop on Wireless mobile multimedia
Ad-hoc On-Demand Distance Vector Routing
WMCSA '99 Proceedings of the Second IEEE Workshop on Mobile Computer Systems and Applications
Addressing Repeatability in Wireless Experiments using ORBIT Testbed
TRIDENTCOM '05 Proceedings of the First International Conference on Testbeds and Research Infrastructures for the DEvelopment of NeTworks and COMmunities
A high-throughput path metric for multi-hop wireless routing
Wireless Networks - Special issue: Selected papers from ACM MobiCom 2003
Routing stability in static wireless mesh networks
PAM'07 Proceedings of the 8th international conference on Passive and active network measurement
The capacity of wireless networks
IEEE Transactions on Information Theory
Assessing mobility support in mesh networks
Proceedings of the 4th ACM international workshop on Experimental evaluation and characterization
Routing protocols for mesh networks with mobility support
ISWCS'09 Proceedings of the 6th international conference on Symposium on Wireless Communication Systems
Mini-slot scheduling for IEEE 802.16d chain and grid mesh networks
Computer Communications
Performance comparison of OLSR and BATMAN routing protocols by a MANET testbed in stairs environment
Computers & Mathematics with Applications
Cross-layer metrics for reliable routing in wireless mesh networks
IEEE/ACM Transactions on Networking (TON)
Experimental results of a manet testbed for different settings of HELLO packets of OLSR protocol
Journal of Mobile Multimedia
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Predicting the performance of ad hoc networking protocols for mesh networks has typically been performed by making use of software based simulation tools. Experimental study and validation of such predictions is a vital to obtaining more realistic results, but may not be possible under the constrained environment of network simulators. This paper presents an experimental comparison of OLSR using the standard hysteresis routing metric and the ETX metric in a 7 by 7 grid of closely spaced Wi-Fi nodes to obtain more realistic results. The wireless grid is first modelled to extract its ability to emulate a real world multi-hop ad hoc network. This is followed by a detailed analysis of OLSR in terms of hop count, routing traffic overhead, throughput, delay, packet loss and route flapping in the wireless grid using the hysteresis and ETX routing metric. It was discovered that the ETX metric which has been extensively used in mesh networks around the world is fundamentally flawed when estimating optimal routes in real mesh networks and that the less sophisticated hysteresis metric shows better performance in large dense mesh networks.