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Performance degradation of analog FM system due to spread spectrum overlay

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dc.contributor.author Vouyioukas, DD en
dc.contributor.author Constantinou, P en
dc.date.accessioned 2014-03-01T01:19:25Z
dc.date.available 2014-03-01T01:19:25Z
dc.date.issued 2003 en
dc.identifier.issn 0018-9316 en
dc.identifier.uri http://hdl.handle.net/123456789/15476
dc.subject AF SNR degradation en
dc.subject Analog FM en
dc.subject Interference en
dc.subject Objective and subjective measurements en
dc.subject Spread spectrum en
dc.subject.classification Engineering, Electrical & Electronic en
dc.subject.classification Telecommunications en
dc.subject.other Audio frequency amplifiers en
dc.subject.other Bandpass filters en
dc.subject.other Compact disks en
dc.subject.other Signal to noise ratio en
dc.subject.other Spread spectrum en
dc.subject.other Stereophonic broadcasting en
dc.title Performance degradation of analog FM system due to spread spectrum overlay en
heal.type journalArticle en
heal.identifier.primary 10.1109/TBC.2003.810073 en
heal.identifier.secondary http://dx.doi.org/10.1109/TBC.2003.810073 en
heal.language English en
heal.publicationDate 2003 en
heal.abstract The investigation of spectrum overlay of a Spread Spectrum system on the existing narrowband FM broadcasting system(1) is presented. The overlaid Spread Spectrum (SS) system is assumed to utilize direct sequence (DS) spreading, using maximal length pseudorandom sequences. We studied the performance degradation of the analog FM system due to the interference produced by the SS signal, through laboratory subjective and objective measurements, for various types of spreading scenarios and for different carrier frequency differences (Deltaf). The RF protection ratios for the FM receivers are derived, along with SINAD measurements. Finally, these experimental results have been compared with the theoretical study of the FM receiver's audio frequency SNR output due to SS interference. en
heal.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC en
heal.journalName IEEE Transactions on Broadcasting en
dc.identifier.doi 10.1109/TBC.2003.810073 en
dc.identifier.isi ISI:000183825200001 en
dc.identifier.volume 49 en
dc.identifier.issue 2 en
dc.identifier.spage 113 en
dc.identifier.epage 123 en


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