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Data and Energy Integrated Communication Networks for Wireless Big Data
شبکه های ارتباطی یکپارچه داده و انرژی برای داده های بزرگ بی سیم-2016 This paper describes a new type of communication network called data and energy integrated
communication networks (DEINs), which integrates the traditionally separate two processes, i.e., wireless
information transfer (WIT) and wireless energy transfer (WET), fulfilling co-transmission of data and energy.
In particular, the energy transmission using radio frequency is for the purpose of energy harvesting (EH)
rather than information decoding. One driving force of the advent of DEINs is wireless big data, which
comes from wireless sensors that produce a large amount of small piece of data. These sensors are typically
powered by battery that drains sooner or later and will have to be taken out and then replaced or recharged.
EH has emerged as a technology to wirelessly charge batteries in a contactless way. Recent research work has
attempted to combine WET with WIT, typically under the label of simultaneous wireless information and
power transfer. Such work in the literature largely focuses on the communication side of the whole wireless
networks with particular emphasis on power allocation. The DEIN communication network proposed in
this paper regards the convergence of WIT and WET as a full system that considers not only the physical
layer but also the higher layers, such as media access control and information routing. After describing the
DEIN concept and its high-level architecture/protocol stack, this paper presents two use cases focusing on
the lower layer and the higher layer of a DEIN network, respectively. The lower layer use case is about a fair
resource allocation algorithm, whereas the high-layer section introduces an efficient data forwarding scheme
in combination with EH. The two case studies aim to give a better explanation of the DEIN concept. Some
future research directions and challenges are also pointed out.
INDEX TERMS: Data and energy integrated communication networks (DEINs) | energy harvesting (EH) | wireless big data | power allocation | information dissemination. |
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