Performance Analysis of Beacon-Less IEEE 802.15.4 Multi-Hop Networks
Rachit Srivastava, Anurag Kumar

TL;DR
This paper presents an approximate analytical method to evaluate the performance of beacon-less IEEE 802.15.4 multi-hop wireless sensor networks, accounting for node interactions and validating results with simulations.
Contribution
It introduces a novel fixed point analytical framework for performance evaluation of beacon-less multi-hop networks considering hidden nodes.
Findings
Accurately predicts packet discard probabilities
Estimates average queueing delays
Validates analytical results with simulations
Abstract
We develop an approximate analytical technique for evaluating the performance of multi-hop networks based on beacon-less CSMA/CA as standardised in IEEE 802.15.4, a popular standard for wireless sensor networks. The network comprises sensor nodes, which generate measurement packets, and relay nodes which only forward packets. We consider a detailed stochastic process at each node, and analyse this process taking into account the interaction with neighbouring nodes via certain unknown variables (e.g., channel sensing rates, collision probabilities, etc.). By coupling these analyses of the various nodes, we obtain fixed point equations that can be solved numerically to obtain the unknown variables, thereby yielding approximations of time average performance measures, such as packet discard probabilities and average queueing delays. Different analyses arise for networks with no hidden…
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Taxonomy
TopicsWireless Networks and Protocols · Energy Efficient Wireless Sensor Networks · Mobile Ad Hoc Networks
