Recent advances in LoRa: A comprehensive survey

Z Sun, H Yang, K Liu, Z Yin, Z Li, W Xu - ACM Transactions on Sensor …, 2022 - dl.acm.org
The vast demand for diverse applications raises new networking challenges, which have
encouraged the development of a new paradigm of Internet of Things (IoT), eg, LoRa. LoRa …

Dual-mode chirp spread spectrum modulation

AW Azim, A Bazzi, R Shubair… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
In this letter, we propose dual-mode chirp spread spectrum (DM-CSS) modulation for low-
power wide-area networks. DM-CSS is capable of achieving a higher spectral efficiency …

Dual-mode time domain multiplexed chirp spread spectrum

AW Azim, A Bazzi, M Fatima… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, we introduce dual-mode (DM) time domain multiplexed (TDM) chirp spread
spectrum (CSS), which offers improved spectral and energy efficiency for low-power wide …

Interleaved chirp spreading LoRa as a parallel network to enhance LoRa capacity

P Edward, M El-Aasser, M Ashour… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
LoRa has become a key enabler for multiple low-power wide-area network (LP-WAN)
technologies. LoRa technology is pillared on its patented chirp spread spectrum modulation …

Slope-shift keying LoRa-based modulation

M Hanif, HH Nguyen - IEEE internet of things journal, 2020 - ieeexplore.ieee.org
LoRa, a low-power long-range physical-layer communication method, is one of the
emerging technologies in low-power wide-area networks (LPWANs). In LoRa, a linearly …

Alternative chirp spread spectrum techniques for LPWANs

IBF De Almeida, M Chafii, A Nimr… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Chirp spread spectrum (CSS) is the modulation technique currently employed by Long-
Range (LoRa), which is one of the most prominent Internet of Things wireless …

Towards an SDR implementation of LoRa: Reverse-engineering, demodulation strategies and assessment over Rayleigh channel

A Marquet, N Montavont, GZ Papadopoulos - Computer Communications, 2020 - Elsevier
LoRa is a popular low-rate, Low-Power Wide Area Network (LPWAN) technology providing
long range wireless access over unlicensed sub-GHz frequency bands to the Internet of …

Frequency-shift chirp spread spectrum communications with index modulation

M Hanif, HH Nguyen - IEEE Internet of Things Journal, 2021 - ieeexplore.ieee.org
This article introduces a novel frequency-shift chirp spread spectrum (FSCSS) system with
index modulation (IM). By using combinations of orthogonal chirp signals for message …

A survey on chirp spread spectrum-based waveform design for IoT

AW Azim, A Bazzi, R Shubair, M Chafii - Authorea Preprints, 2023 - techrxiv.org
Long Range (LoRa) is one of the most promising and widespread chirp spread spectrum
(CSS)-based physical (PHY) layer technique for low-power wide-area networks (LPWANs) …

A Tutorial on Chirp Spread Spectrum for LoRaWAN: Basics and Key Advances

A Maleki, HH Nguyen, E Bedeer, R Barton - arXiv preprint arXiv …, 2023 - arxiv.org
Chirps spread spectrum (CSS) modulation is the heart of long-range (LoRa) modulation
used in the context of long-range wide area network (LoRaWAN) in internet of things (IoT) …