On the low complexity implementation of the DFT-based BFSK demodulator for ultra-narrowband communications

S Safapourhajari, ABJ Kokkeler - IEEE Access, 2020 - ieeexplore.ieee.org
The DFT-based demodulator for BFSK has been introduced for applications where the
received signal experiences a carrier frequency offset (CFO) much larger than the symbol …

Offset Tolerant Demodulator for Frequency/Phase Modulation in Time-Varying Channel

S Safapourhajari, ABJ Kokkeler - 2019 IEEE Wireless …, 2019 - ieeexplore.ieee.org
Carrier frequency offset (CFO) and time-varying fading channels are two problems that
emerging ultra-narrowband solutions for Internet of Things and Wireless Sensor Networks …

[PDF][PDF] Ultra-Narrowband Communications

MHDZ Mahfouz - research.utwente.nl
Wireless sensor networks (WSNs) have significantly transformed various industries and
sectors, enabling unprecedented data collection and analysis. These networks consist of …

Low power ASIC design of a DDPSK demodulator

PC Dijkshoorn - 2021 - essay.utwente.nl
While Ultra-Narrowband communication can be used in Internet of Things and Wireless
sensor networks for low data rate applications they heavily suffer from frequency offset. To …

Comparison of Short Block and Low Rate Channel Codes for UNB communication

S Miclea - 2020 - essay.utwente.nl
Ultra Narrow Band (UNB) is one of the technologies used for Low Power Wide Area Network
(LPWAN). Solutions using UNB for this type of networks encounter problems such as Carrier …

Offset tolerant hybrid demodulator in presence of a wide filter

T Vries - 2020 - essay.utwente.nl
The offset tolerant hybrid demodulator is robust against carrier frequency offset, but the
receiver requires a wider filter to capture that offset. Previously, a shifted correlation method …

Low Power System Design of DDPSK Receiver

VA Rooij - 2019 - essay.utwente.nl
Auto-correlation demodulator for Double differential PSK is a known offset tolerant
demodulator. However, its performance is dependent on the bandwidth of the low pass filter …