Title :
Estimation of Inchannel-Interference to Digital Radio Mondiale (DRM) Signals During Operation
Author :
Losada, Iker ; Schäfer, Andreas ; Guerra, David ; Prieto, Gorka ; Morgade, Javier ; Angueria, Pablo
Author_Institution :
Electron. & Telecommun. Dept., Univ. of the Basque Country, Bilbao
fDate :
6/1/2008 12:00:00 AM
Abstract :
This paper presents two novel interference measurement estimators for the DRM (Digital Radio Mondiale) system. They are based on the PSD (Power Spectral Density) estimation of the received spectrum, and provide interference estimation whilst the DRM transmitter is in operation. The first estimator provides successful detection of in-channel narrowband interference. If the interferer is an AM co-channel signal, the second estimator takes advantage of the specific characteristics of the DRM modulation to provide accurate measurement of the signal-to-interference ratio value. This allows protection ratio calculus and failure detection caused by interference.
Keywords :
channel estimation; cochannel interference; digital radio; modulation; radio transmitters; AM cochannel interference; DRM transmitter; digital radio Mondiale system; failure detection; in-channel narrowband interference estimation; modulation; power spectral density estimation; Calculus; Degradation; Digital Radio Mondiale; Frequency; Interference; Narrowband; Protection; Quality of service; Radio spectrum management; Radio transmitters; Co-channel interference; DRM; Interference;
Journal_Title :
Broadcasting, IEEE Transactions on
DOI :
10.1109/TBC.2007.914652
