BackFi

Bharadia, Dinesh; Joshi, Kiran; Kotaru, Manikanta; Katti, Sachin

doi:10.1145/2829988.2787490

Cited by 185 publications

(36 citation statements)

References 35 publications

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“…This is called backscatter communication technology [108]. There are various carrier wave sources that have been tested in the literature including TV transmission stations and WiFi access points [109,110,111,112]. The potential of using this backscatter phenomena to eavesdrop on internal CPU operations of IoT devices by listening to ambient RF sources warrants further exploration.…”

Section: Discussionmentioning

confidence: 99%

A survey of electromagnetic side-channel attacks and discussion on their case-progressing potential for digital forensics

Sayakkara

Le-Khac

Scanlon

2019

Digital Investigation

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The increasing prevalence of Internet of Things (IoT) devices has made it inevitable that their pertinence to digital forensic investigations will increase into the foreseeable future. These devices produced by various vendors often posses limited standard interfaces for communication, such as USB ports or WiFi/Bluetooth wireless interfaces. Meanwhile, with an increasing mainstream focus on the security and privacy of user data, built-in encryption is becoming commonplace in consumer-level computing devices, and IoT devices are no exception. Under these circumstances, a significant challenge is presented to digital forensic investigations where data from IoT devices needs to be analysed.This work explores the electromagnetic (EM) side-channel analysis literature for the purpose of assisting digital forensic investigations on IoT devices. EM side-channel analysis is a technique where unintentional electromagnetic emissions are used for eavesdropping on the operations and data handling of computing devices. The non-intrusive nature of EM side-channel approaches makes it a viable option to assist digital forensic investigations as these attacks require, and must result in, no modification to the target device. The literature on various EM side-channel analysis attack techniques are discussed -selected on the basis of their applicability in IoT device investigation scenarios. The insight gained from the background study is used to identify promising future applications of the technique for digital forensic analysis on IoT devices -potentially progressing a wide variety of currently hindered digital investigations.

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Section: Discussionmentioning

confidence: 99%

A survey of electromagnetic side-channel attacks and discussion on their case-progressing potential for digital forensics

Sayakkara

Le-Khac

Scanlon

2019

Digital Investigation

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“…Ambient backscatter leverages ambient RF signals such as TV transmissions [16] or WiFi traffic [10,14] [10]. Our present work is complementary to these efforts; however, passive sensor tags could also leverage ambient RF signals.…”

Section: Related Workmentioning

confidence: 97%

Augmenting IoT networks with backscatter-enabled passive sensor tags

Pérez-Penichet

Hermans

Varshney

et al. 2016

Proceedings of the 3rd Workshop on Hot Topics in Wireless

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The sensing modalities available in an Internet-of-Things (IoT) network are usually fixed before deployment, when the operator selects a suitable IoT platform. Retrofitting a deployment with additional sensors can be cumbersome, because it requires either modifying the deployed hardware or adding new devices that then have to be maintained. In this paper, we present our vision and work towards passive sensor tags: battery-free devices that allow to augment existing IoT deployments with additional sensing capabilities without the need to modify the existing deployment. Our passive sensor tags use backscatter transmissions to communicate with the deployed network. Crucially, they do this in a way that is compatible with the deployed network's radio protocol, and without the need for additional infrastructure. We present an FPGA-based prototype of a passive sensor tag that can communicate with unmodified 802.15.4 IoT devices. Our initial experiments with the prototype support the feasibility of our approach. We also lay out the next steps towards fully realizing the vision of passive sensor tags.

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“…As there are limited research works conducted under energy efficient communications based on NOMA with backscatter, it is a feasible direction for future green wireless networking. One of the main challenges of backscatter communication, the reduced strength of the backscatter signal, can be overcome by full duplex communications as suggested in [124]. Moreover, research works reveal that frequency modulated (FM) signals also can be used for radio frequency energy harvesting [125].…”

Section: Ambient Backscatter Communicationmentioning

confidence: 99%

A New Green Prospective of Non-orthogonal Multiple Access (NOMA) for 5G

et al. 2020

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Energy efficiency is a major concern in the emerging mobile cellular wireless networks since massive connectivity is to be expected with high energy requirements from the network operators. Non-orthogonal multiple access (NOMA) being the frontier multiple access scheme for 5G, there exists numerous research attempts on enhancing the energy efficiency of NOMA enabled wireless networks while maintaining its outstanding performance metrics such as high throughput, data rates and capacity maximized optimally.The concept of green NOMA is introduced in a generalized manner to identify the energy efficient NOMA schemes. These schemes will result in an optimal scenario in which the energy generated for communication is managed sustainably. Hence, the effect on the environment, economy, living beings, etc is minimized. The recent research developments are classified for a better understanding of areas which are lacking attention and needs further improvement. Also, the performance comparison of energy efficient, NOMA schemes against conventional NOMA is presented. Finally, challenges and emerging research trends, for energy efficient NOMA are discussed.

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BackFi

Cited by 185 publications

References 35 publications

A survey of electromagnetic side-channel attacks and discussion on their case-progressing potential for digital forensics

A survey of electromagnetic side-channel attacks and discussion on their case-progressing potential for digital forensics

Augmenting IoT networks with backscatter-enabled passive sensor tags

A New Green Prospective of Non-orthogonal Multiple Access (NOMA) for 5G

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