Proceedings ArticleDOI
WiZig: Cross-technology energy communication over a noisy channel
Xiuzhen Guo,Xiaolong Zheng,Yuan He +2 more
- pp 1-9
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TLDR
WiZig is proposed, a novel CTC technique that employs modulation techniques in both the amplitude and temporal dimensions to optimize the throughput over a noisy channel and realizes efficient and reliable CTC under varied channel conditions.Abstract:
The proliferation of loT applications drives the need of ubiquitous connections among heterogeneous wireless devices. Cross-Technology Communication (CTC) is a significant technique to directly exchange information among heterogeneous devices that follow different standards. By exploiting a side-channel like frequency, amplitude or temporal modulation, the existing works enable CTC but have limited performance under channel noise. In this paper, we propose WiZig, a novel CTC technique that employs modulation techniques in both the amplitude and temporal dimensions to optimize the throughput over a noisy channel. We establish a theoretical model of the energy communication channel to clearly understand the channel capacity. We then devise an online rate adaptation algorithm to adjust the modulation strategy according to the channel condition. Based on the theoretical model, WiZig can accurately control the number of encoded energy amplitudes and the length of a receiving window, so as to optimize the CTC throughput. We implement a prototype of WiZig on a software radio platform and a commercial ZigBee device. The evaluation show that WiZig achieves a throughput of 153.85 bps with less than 1 % symbol error rate in a real environment. The results demonstrate that WiZig realizes efficient and reliable CTC under varied channel conditions.read more
Citations
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Journal ArticleDOI
From Surveillance to Digital Twin: Challenges and Recent Advances of Signal Processing for Industrial Internet of Things
TL;DR: The promising industrial applications of IoT technologies and the challenges and recent advances in this area are surveyed and Pavatar, a real-world industrial IoT system that enables comprehensive surveillance and remote diagnosis for ultrahigh-voltage converter station (UHVCS), is shared.
Journal ArticleDOI
Indoor Positioning Technologies Without Offline Fingerprinting Map: A Survey
Beakcheol Jang,Hyun Jung Kim +1 more
TL;DR: This paper reviews the indoor positioning technologies that do not require the construction of offline fingerprint maps, and categorizes them into simultaneous localization and mapping; inter/extrapolation; and crowdsourcing-based technologies, and describes their algorithms and characteristics, including advantages and disadvantages.
Proceedings ArticleDOI
ZIGFI: Harnessing Channel State Information for Cross-Technology Communication
TL;DR: This paper proposes ZigFi, a novel CTC framework that enables direct communication from ZigBee to WiFi, and builds a generic model through experiments, which describes the relationship between the Signal to Interference and Noise Ratio (SINR) and the symbol error rate (SER).
Proceedings ArticleDOI
Achieving Receiver-Side Cross-Technology Communication with Cross-Decoding
TL;DR: XBee is presented, a unique receiver-side CTC that fills in the gap and makes a critical step towards achieving CTC bidirectionality, and is demonstrated as a ZigBee to BLE communication.
Proceedings ArticleDOI
Explicit Channel Coordination via Cross-technology Communication
TL;DR: ECC is presented that uniquely enables explicit channel coordination among heterogeneities via cross-technology communication (CTC) introduced in the latest studies, while maintaining full compatibility to commodity devices.
References
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