Efficient Key Management in IoT Using Mobile Aggregator

Saurabh, Sumit; Pais, Alwyn Roshan; Chatterjee, Sumanta

doi:10.1007/978-981-10-2738-3_14

Cited by 1 publication

(1 citation statement)

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“…In the services, D2D links of WMSN can be considered. Additionally, mobile aggregating is one of the candidates to use D2D links for WMSN, which means that sensor networks use a mobile device as an aggregator [ 18 , 19 ]. To support the mobile aggregator, multi-hop communication should be considered, where a D2D link is adopted.…”

Section: Introductionmentioning

confidence: 99%

Fractional Frequency Reuse Scheme for Device to Device Communication Underlaying Cellular on Wireless Multimedia Sensor Networks

Kim

Noh

et al. 2018

Sensors

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Wireless multimedia sensor networks (WMSNs) have been improved with the increase of multimedia data. In WMSNs, a centralization problem can occur because of large-size multimedia data. It is necessary to consider device-to-device (D2D) communication. We focus on D2D WMSN based on cellular networks. Sensors in the D2D WMSN can non-orthogonally use a cellular link, which is a wireless communication channel between a sensor and an aggregator, and a D2D link, which is the channel between sensors. As a result, it has more complex interference environments than an ordinary system. Therefore, it is a key factor to manage the varying inter-cell interference effectively for throughput improvement. We propose an interference mitigation scheme that can be applied to D2D WMSN. In the proposed scheme, a cell is separated into six zones and orthogonal frequency is allocated to each zone for cellular links. The frequencies allocated to cellular links are reused by D2D links of neighboring zones. The simulation results show that the throughput of the proposed scheme increases two times compared to a static frequency allocation scheme.

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Section: Introductionmentioning

confidence: 99%