[HTML][HTML] Timing and carrier synchronization in wireless communication systems: a survey and classification of research in the last 5 years
Timing and carrier synchronization is a fundamental requirement for any wireless
communication system to work properly. Timing synchronization is the process by which a …
communication system to work properly. Timing synchronization is the process by which a …
[HTML][HTML] A survey on the energy detection of OFDM signals with dynamic threshold adaptation: Open Issues and Future Challenges
Cognitive radio (CR), as a concept based on the ability to detect and share the unutilised
spectrum, has been envisioned as a promising candidate to improve the efficiency of …
spectrum, has been envisioned as a promising candidate to improve the efficiency of …
A machine learning-enabled spectrum sensing method for OFDM systems
This paper addresses the spectrum sensing problem in an orthogonal frequency-division
multiplexing (OFDM) system based on machine learning. To adapt to signal-to-noise ratio …
multiplexing (OFDM) system based on machine learning. To adapt to signal-to-noise ratio …
Intelligent cooperative spectrum sensing via hierarchical Dirichlet process in cognitive radio networks
Cognitive radio (CR) is a critical technology for improving spectrum utilization and solving
the radio spectrum scarcity problem. In CR devices, spectrum sensing is important to …
the radio spectrum scarcity problem. In CR devices, spectrum sensing is important to …
Cooperative sensing with joint energy and correlation detection in cognitive radio networks
M Tavana, A Rahmati… - IEEE …, 2016 - ieeexplore.ieee.org
Cognitive radio networks (CRNs) are a promising solution to address the spectrum shortage
issue. Spectrum sensing plays a key role to make such a scenario practical. In this letter, we …
issue. Spectrum sensing plays a key role to make such a scenario practical. In this letter, we …
Sensing and recognition when primary user has multiple transmit power levels
In this paper, a new cognitive radio (CR) scenario called Multiple Primary Transmit Power
(MPTP) is investigated where the primary user (PU) could possibly work on more than one …
(MPTP) is investigated where the primary user (PU) could possibly work on more than one …
A review of the noise uncertainty impact on energy detection with different OFDM system designs
Cognitive radio networks (CRN) based on spectrum sensing represent intelligent wireless
communication technology dedicated to a more efficient exploitation of the available …
communication technology dedicated to a more efficient exploitation of the available …
A CMOS spectrum sensor based on quasi-cyclostationary feature detection for cognitive radios
P Sepidband, K Entesari - IEEE Transactions on Microwave …, 2015 - ieeexplore.ieee.org
Sensitivity and sensing time are the key features for spectrum sensing in a cognitive radio
(CR) which detects empty bands within VHF/UHF television broadcast bands and uses them …
(CR) which detects empty bands within VHF/UHF television broadcast bands and uses them …
Correlation-based spectrum sensing with oversampling in cognitive radio
In wireless communication, the amplitude and phase of the transmitted signal have certain
patterns during one symbol duration, which introduces high correlation among the samples …
patterns during one symbol duration, which introduces high correlation among the samples …
On the noise uncertainty for the energy detection of OFDM signals
WL Chin - IEEE Transactions on Vehicular Technology, 2019 - ieeexplore.ieee.org
Orthogonal frequency-division multiplexing (OFDM) is a promising technology for
communication systems. This paper investigates the impacts of unknown noise variance on …
communication systems. This paper investigates the impacts of unknown noise variance on …