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WSNs-assisted opportunistic network for low-latency message forwarding in sparse settings

شروع موضوع توسط AdMiN ‏21/1/19 در انجمن WSN

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  1. Administrator
    AdMiN
    هیات مدیره
    تاریخ عضویت:
    ‏3/10/13
    ارسال ها:
    2,259
    تشکر شده:
    325
    How to shorten time delay and enhance delivery ratio in sparse settings is still an open issue in the study of opportunistic networks. Most proposals are trying to deal with this issue by introducing infrastructures; however, although related research has been proved to be useful in improving the routing performance of the network, there is still room for further improvement. In this paper, inspired by the powerful message synchronization capability of wireless sensor networks (WSNs), we propose a new opportunistic network framework called WON that introduces WSNs into the opportunistic network. With the support of WSNs, low latency delivery and high delivery ratio can be achieved. To make the best use of WSNs, we present a comprehensive routing mechanism that is able to cover all the message-forwarding activities (i.e., mobile-to-mobile, mobile-to-stationary, stationary-to-mobile and stationary-to-stationary) in WON. To tackle the challenging issues caused by constrained energy and storage space, we develop a storage management scheme and a message control scheme. The experimental results show that WON can improve the success ratio while lowering the latency compared with the existing architectures. Furthermore, it is shown that WON is a highly effective solution for the rapid deployment of a low-latency communication network in the disaster-relief scenarios.​


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