Spectrum sensing for OFDM systems employing pilot tones

HS Chen, W Gao, DG Daut - IEEE Transactions on Wireless …, 2009 - ieeexplore.ieee.org
… TDSC of two OFDM symbols in which … spectrum sensing algorithms for OFDM systems
employing pilot tones. The algorithm and statistical behavior of the TDSC-based spectrum sensors

A machine learning-enabled spectrum sensing method for OFDM systems

J Tian, P Cheng, Z Chen, M Li, H Hu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… a different approach on the spectrum sensing for OFDM systems while tapping the benefits of
… in [8]– [12], we formulate the spectrum sensing problem as an SNR-related multi-class one. …

Deep learning network based spectrum sensing methods for OFDM systems

Q Cheng, Z Shi, DN Nguyen, E Dutkiewicz - arXiv preprint arXiv …, 2018 - arxiv.org
… To further improve the sensing accuracy of SAE-SS, especially under low … spectrum sensing
method using time-frequency domain signals (SAE-TF). SAE-TF achieves higher sensing

Blind spectrum sensing for OFDM-based cognitive radio systems

S Bokharaiee, HH Nguyen… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
SYSTEM MODEL The OFDM signal model considered in our work is the same as that in [11]
and [19], which assumes that the primary OFDM system employs L subcarriers and the …

Spectrum sensing in wideband OFDM cognitive radios

CH Hwang, GL Lai, SC Chen - IEEE Transactions on Signal …, 2009 - ieeexplore.ieee.org
spectrum sensing in an OFDM based CR system. The main concern of this paper is to develop
spectrum sensingOFDM system interfered by an EU signal are described. Two stages of …

On spectrum sensing of OFDM signals at low SNR: New detectors and asymptotic performance

M Jin, Q Guo, J Xi, Y Li, Y Li - IEEE Transactions on Signal …, 2017 - ieeexplore.ieee.org
… We first revisit the LRTand GLRT-based OFDM spectrum sensing, and show that the biased
… We assume a primary OFDM system with a bandwidth of 20 MHz (eg, in WiFi), Nc = 8 and …

[HTML][HTML] Spectrum sensing technique for OFDM signals

HS Bae, YS Kim, CH Lim, CJ Kim, YS Cho - The Journal of Korean …, 2021 - jkiees.org
… frequency-division multiplexing (OFDM) signals. Spectrum sensing is a key technology in …
received by wireless communication systems have been based on OFDM. These signals …

Spectrum sensing for OFDM systems employing pilot tones and application to DVB-T OFDM

HS Chen, W Gao, DG Daut - 2008 IEEE International …, 2008 - ieeexplore.ieee.org
spectrum sensing algorithms for DVB-T OFDM systems. The algorithm and statistical behavior
of the TDSC-based spectrum sensor … to DVB-T OFDM systems is described in Section IV. A …

Compressive spectrum sensing for mimo-ofdm based cognitive radio networks

S Jin, X Zhang - 2015 IEEE Wireless Communications and …, 2015 - ieeexplore.ieee.org
… there are multiple antennas in system, which are corresponding to multiple ADCs. … for
spectrum sensing in MIMO-OFDM based CR system. Compared to traditional MIMO-OFDM system, …

Novel pilot-assisted spectrum sensing for OFDM systems by exploiting statistical difference between subcarriers

Z Lu, Y Ma, P Cheraghi… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
… In this paper, a novel pilot-assisted spectrum sensing technique was developed for OFDM
systems by exploiting either first-order or second-order statistical difference between pilot and …