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Conference Paper: Carrier synchronization for 16-ary DEQAM transmission

TitleCarrier synchronization for 16-ary DEQAM transmission
Authors
Issue Date1989
Citation
Conference Record - International Conference On Communications, 1989, v. 3, p. 1670-1674 How to Cite?
AbstractThe authors describe a carrier recovery loop for coherent demodulation of a 16-ary differentially encoded quadrature-amplitude-modulation (DEQAM) signal. The loop uses a decision-feedback technique. The bit-error rate (BER) performance of the modem in the presence of noisy carrier reference signals provided by the loop and the transient response of the loop in the absence and presence of additive white Gaussian noise are investigated by means of computer simulation. Results indicate that the performance of the loop is dependent on the error rate. At BER = 10-4 and in the presence of frequency offset, the loop achieves lock within 75 symbol intervals, and the signal-to-noise ratio degradation is 1.5 dB.
Persistent Identifierhttp://hdl.handle.net/10722/158050
ISSN

 

DC FieldValueLanguage
dc.contributor.authorCheung, SWen_US
dc.contributor.authorAghvami, AHen_US
dc.date.accessioned2012-08-08T08:57:52Z-
dc.date.available2012-08-08T08:57:52Z-
dc.date.issued1989en_US
dc.identifier.citationConference Record - International Conference On Communications, 1989, v. 3, p. 1670-1674en_US
dc.identifier.issn0536-1486en_US
dc.identifier.urihttp://hdl.handle.net/10722/158050-
dc.description.abstractThe authors describe a carrier recovery loop for coherent demodulation of a 16-ary differentially encoded quadrature-amplitude-modulation (DEQAM) signal. The loop uses a decision-feedback technique. The bit-error rate (BER) performance of the modem in the presence of noisy carrier reference signals provided by the loop and the transient response of the loop in the absence and presence of additive white Gaussian noise are investigated by means of computer simulation. Results indicate that the performance of the loop is dependent on the error rate. At BER = 10-4 and in the presence of frequency offset, the loop achieves lock within 75 symbol intervals, and the signal-to-noise ratio degradation is 1.5 dB.en_US
dc.languageengen_US
dc.relation.ispartofConference Record - International Conference on Communicationsen_US
dc.titleCarrier synchronization for 16-ary DEQAM transmissionen_US
dc.typeConference_Paperen_US
dc.identifier.emailCheung, SW:swcheung@eee.hku.hken_US
dc.identifier.authorityCheung, SW=rp00102en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0024875935en_US
dc.identifier.volume3en_US
dc.identifier.spage1670en_US
dc.identifier.epage1674en_US
dc.identifier.scopusauthoridCheung, SW=7202472784en_US
dc.identifier.scopusauthoridAghvami, AH=7006136339en_US

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