Abstract
Spontaneous networks lack an a priori communication infrastructure, the neighbors are unknown right after the deployment, and they are used during a period of time and in a certain location. In this paper, we present a new randomized creation model of a spontaneous wireless ad hoc network based on trusted neighbors. The idea is to manage the neighbor discovery with the exchange of identity cards, and the checking of a signature establishes a relationship based on trust of the neighbors. To asses the performance of our randomized trusted network proposal and compare it against an existing deterministic protocol used as reference, we relied on Castalia 3.2 simulator, regarding 4 metrics: time, energy consumption, throughput, and number of discoveries vs packet sent ratio. We found that our proposal outperforms the reference protocol in terms of time, energy, and discoveries vs packet sent ratio in a one‐hop setting, while it outperforms the reference protocol regarding all 4 metrics in multihop environments. We also evaluated our proposal through simulations varying the transmission probability and proved that it does not require to know the number of nodes if a fixed transmission probability is set, providing reasonable results. Moreover, our proposal is based on collision detection, it knows when to terminate the process, it does not require a transmission schedule, and it follows more realistic assumptions. In addition, a qualitative comparison is carried out, comparing our proposal against existing protocols from the literature.
Highlights
In spontaneous ad hoc networks, a concept introduced in [1], the devices that conform them are autonomous and equipped with a limited transmission range radio transceiver
We present a new randomized creation model of a spontaneous wireless ad hoc network based on trusted neighbors
We have carried out a study of trusted network creation strategies for spontaneous static multihop wireless ad hoc networks considering the presence of channel collisions
Summary
In spontaneous ad hoc networks, a concept introduced in [1], the devices ( known as nodes) that conform them are autonomous and equipped with a limited transmission range radio transceiver. Other nodes need multiple intermediate nodes that forward the information that is not addressed for their own use in a multihop fashion. For this purpose, each node must act as a router [2, 3]. Each node must act as a router [2, 3] This type of networks does not have a communication infrastructure right after the deployment. In the creation of a spontaneous ad hoc network, the neighbor discovery [4, 5] becomes necessary to find out which nodes are within transmission range. There is absence of a central server; so there is no centralized CA (Certificate Authority) available and each node must act as a CA
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