What is cyclostationary spectrum sensing?
What is cyclostationary spectrum sensing?
Cyclostationary processes are used to detect and identify analog and digital communication signals, which are random processes for which statistical properties (mean and autocorrelation) change periodically as time functions. Most signals used in wireless communication have this property.
What is cyclostationary detection in cognitive radio?
A simulational analysis suggests that cyclostationary spectrum detection is optimal for signal detection having low signal-to-noise(SNR) values. For 10% false alarm probability, 90% detection probability of BPSK signals with SNR of -8 dB or greater was achieved.
What is spectrum communication sensing?
Learn more in: Cognitive Communications. Spectrum sensing is the process of periodically monitoring a specific frequency band, aiming to identify presence or absence of primary users.
What is Cyclostationary random process?
A cyclostationary process is a signal having statistical properties that vary cyclically with time. A cyclostationary process can be viewed as multiple interleaved stationary processes.
Why does spectrum sensing require cooperation?
The main idea of cooperative sensing is to enhance the sensing performance by exploiting the spatial diversity in the observations of spatially located CR users. By cooperation, CR users can share their sensing information for making a combined decision more accurate than the individual decisions [5].
What is spectrum sharing?
Spectrum sharing is the logical partitioning of optical spectrum on a submarine cable for different end-users, such that each end-user has its own ‘virtual fiber pair. Spectrum Sharing can work on standard C-band cables, as well as newer and wider-band cables supporting both C-band and L-band on the same cable.
What is Cyclostationary feature detection?
Cyclostationary Feature Detection (CFD) can be used to detect primary users (PU) using periodicity in autocorrelation of the modulated signals. These algorithms attempt to differentiate signal from noise based on the uncorrelated nature of noise.
What is Cyclostationary analysis?
Abstract. Gearbox and rolling element bearing vibration signals feature modulation, thus being cyclostationary. Therefore, the cyclic correlation and cyclic spectrum are suited to analyze their modulation characteristics and thereby extract gearbox and bearing fault symptoms.
What is non cooperative spectrum sensing?
It enables the secondary user (SU) to detect the presence/absence of primary user (PU) and plan its transmission strategy accordingly. The aim of SS is to detect the presence or absence of PU in a certain frequency band and allow or prevent the SU’s transmission on the basis of sensing result.
What is spectrum radio cognitive?
Spectrum sensing is one of the most important components of cognitive radio networks. Spectrum sensing enables a cognitive radio to have information about its environment and spectrum availability. The most widely used spectrum sensing methods are energy detection and matched filter detection.
What is Ericsson spectrum sharing?
Ericsson Spectrum Sharing enables service providers to launch 5G quickly within existing 4G bands. When sharing spectrum, measuring the radio channel conditions and allocating the use of radio resources, in real-time, is vital.
What is dynamic spectrum sharing?
Dynamic Spectrum Sharing (DSS for short) is a new antenna technology that for the first time enables the parallel use of LTE and 5G in the same frequency band. The technology determines the demand for 5G and LTE in real-time.
