Effects of Detection Threshold and Frame Size On Duty Cycle in GSM Bands
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Date
2017-11
Journal Title
Journal ISSN
Volume Title
Publisher
2017 IEEE 3rd International Conference on Electro-Technology for National Development (NIGERCON)
Abstract
Explosion in the demand for mobile applications
those obtained based on actual measurements of the noise floor
overestimates the occupancy values across all bands while the
GSM 900 and 1800 MHz bands in Ilorin, Nigeria to cover a
though, the International Telecommunication Union (ITU)has
are examined.Spectrum measurements were conducted in the
optimum prediction, 5dB above the measured average noise level
should be considered as detection threshold. Furthermore, it was
ITU 10 dB was found to be too conservative. Therefore, for
and services necessitates the efficient utilization of the limited
acceptable threshold value. In this paper, the effects of energy
detection threshold techniques on duty cycle in the GSM bands
provided a benchmark of 10dB above the noise level as an
found that the number of frames of the sensing data do not have
analytical method of determining noise level (theoretical) and
most appropriate threshold value is not yet clearly stated,
bandwidth of 105 MHz. Experimental results based on
radio spectrum. Determination of a suitable detection threshold
the probability of false alarm or failure detection. However, the
Inappropriate choice of the threshold value may either increase
is an important aspect of spectrum occupancy measurement.
(measured) were analyzed. Findings indicated that the MaxNoise
significant effect on the duty cycle
Description
Keywords
threshold, duty cycle, spectrum occupancy, GSM