Multiantenna-assisted spectrum sensing for cognitive radio

P Wang, J Fang, N Han, H Li - IEEE transactions on vehicular …, 2009 - ieeexplore.ieee.org
… Our GLRT-based spectrum sensing is presented in Section III, along with the underlying …
the performance of our GLRT-based spectrum-sensing technique in Section V. Conclusions are …

Multiple antenna spectrum sensing in cognitive radios

A Taherpour, M Nasiri-Kenari… - … transactions on wireless …, 2010 - ieeexplore.ieee.org
… Conditioned on knowing the noise and PU variances and channel gain vector, we derive
the optimal multiple antenna detection rule and evaluate its performance analytically. In …

Multi-antenna based spectrum sensing for cognitive radios: A GLRT approach

R Zhang, TJ Lim, YC Liang… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
sensor or multiple CR sensors in a collaborative manner such as those discussed in [8]–[12].
In prior works on spectrum sensingmulti-antenna CR sensors a class of spectrum sensing

Multiantenna spectrum sensing for cognitive radio: overcoming noise uncertainty

R López-Valcarce, G Vazquez-Vilar… - … Workshop on Cognitive …, 2010 - ieeexplore.ieee.org
… bands are underutilized motivates the Cognitive Radio (CR) … bands requires powerful
spectrum monitoring techniques, … primary user detection in a multiple antenna cognitive radio,” …

Cooperative spectrum sensing in multiple antenna based cognitive radio network using an improved energy detector

A Singh, MR Bhatnagar… - IEEE Communications …, 2011 - ieeexplore.ieee.org
… detector in the cognitive radios (CRs)… spectrum sensing can be improved in the CR by using
multiple antennas. In this paper, we consider optimization of a cooperative spectrum sensing

Multi-antenna compressed wideband spectrum sensing for cognitive radio

X Yang, Q Cui, R Yang, X Tao… - 2011 IEEE Wireless …, 2011 - ieeexplore.ieee.org
spectrum sensing (WSS) scheme, termed multi-antenna … For multi-antenna spectrum detection,
we consider two kinds … is combining the multi-antenna signals before detection, which is …

Spectrum sensing for cognitive radio: Recent advances and future challenge

A Nasser, H Al Haj Hassan, J Abou Chaaya… - Sensors, 2021 - mdpi.com
… SUs, in this case, should be equipped with a multi-antenna system in order to … spectrum
sensing in cognitive radio networks. The concepts of half-duplex and full-duplex cognitive radio

Performance analysis of multi-antenna GLRT-based spectrum sensing for cognitive radio

Y He, T Ratnarajah, EHG Yousif, J Xue, M Sellathurai - Signal Processing, 2016 - Elsevier
spectrum sensing techniques are essential and crucial to the implementation of cognitive radio
… Considering the reliability, an efficient detection scheme should be robust under very low …

Performance analysis of new spectrum sensing scheme using multiantennas with multiuser diversity in cognitive radio networks

P Semba Yawada, M Trung Dong - Wireless Communications …, 2018 - Wiley Online Library
spectrum detection (SD) is a critical step in cognitive radio (CR) to identify the available
spectrum … Nonetheless, the practical detection process is often compromised with problems of …

Antenna selection based spectrum sensing for cognitive radio networks

S Wang, Y Wang, J Coon… - … , Indoor and Mobile Radio …, 2011 - ieeexplore.ieee.org
… probability and the false alarm probability for different number of RF chains and antennas,
and compare that with the conventional single antenna and multi-antenna spectrum sensing