Mr. Ali Amjad Profile

Ali Amjad

at Harbin Engineering Univ

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Proceedings Article | 4 March 2013 Paper

Design of the next generation cognitive mobile ad hoc networks

Ali Amjad, Huiqiang Wang, Xiaoming Chen

Proceedings Volume 8761, 876116 (2013) https://doi.org/10.1117/12.2019646

KEYWORDS: Switching, Cognition, Signal attenuation, Wireless communications, Interference (communication), Image processing, Photonics, Agriculture, Current controlled current source, Network architectures

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Cognition capability has been seen by researchers as the way forward for the design of next generation of Mobile Ad Hoc Networks (MANETs). The reason why a cognitive paradigm would be more suited to a MANET is because MANETs are highly dynamic networks. The topology may change very frequently during the operation of a MANET. Traffic patterns in MANETs can vary from time to time depending on the need of the users. The size of a MANET and node density is also very dynamic and may change without any predictable pattern. In a MANET environment, most of these parameters may change very rapidly and keeping track of them manually would be very difficult. Previous studies have shown that the performance of a certain routing approach in MANETs is dependent on the size of the network and node density. The choice of whether to use a reactive or proactive routing approach comes down to the network size parameter. Static or offline approaches to fine tune a MANET to achieve certain performance goals is hence not very productive as a lot of these parameters keep changing during the course of operation of MANETs. Similarly, the performance of MANETs would improve greatly if the MAC layer entity could operate in a more flexible manner. In this paper we propose a cognitive MANET design that will ensure that all these dynamic parameters are automatically monitored and decisions are based on the current status of these parameters.

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