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An Overview of OTFS for Internet of Things: Concepts, Benefits, and Challenges | IEEE Journals & Magazine | IEEE Xplore

An Overview of OTFS for Internet of Things: Concepts, Benefits, and Challenges


Abstract:

The Internet of Things (IoT) is envisioned to connect everything, spanning from terrestrial to nonterrestrial terminals, where reliable communication is expected to be al...Show More

Abstract:

The Internet of Things (IoT) is envisioned to connect everything, spanning from terrestrial to nonterrestrial terminals, where reliable communication is expected to be allowed in both time-invariant and time-variant wireless channels. Since classic orthogonal frequency-division multiplexing (OFDM) modulation, which has been widely used in both the fourth-generation (4G) and the fifth-generation (5G) cellular systems, is sensitive to high Doppler effect, it is challenging to satisfy the ever-growing demands of future IoT. To circumvent this issue, the orthogonal time–frequency space (OTFS) scheme is proposed, which modulates the information bits in both the delay and the Doppler domains, and exhibits beneficial advantages in both static and high-mobility wireless channel scenarios. In this article, we present a comprehensive overview of OTFS for IoT, including the current transceiver design, the potential benefits, the challenge issues, as well as future design guidelines.
Published in: IEEE Internet of Things Journal ( Volume: 9, Issue: 10, 15 May 2022)
Page(s): 7596 - 7618
Date of Publication: 06 December 2021

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I. Introduction

Internet of Things (IoT) aims to connect everything at any time and place, where the user terminals include smart home, wearable devices, unmanned aerial vehicles, high speed-trains, low-Earth-orbit satellites, and so on [1]–[4]. As a result, the wireless channels in future IoT may varied from static channel to high-mobility channel, or from time-invariant channel to fast time-variant channel, where reliable communication becomes challenging. Accordingly, designing efficient air-interface techniques plays a vital role for future IoT.

References

References is not available for this document.