NDLI: A low cost, high performance PLDRO for a 28 GHz LMDS system

Content Provider	IEEE Xplore Digital Library
Author	Jimenez, J.L. Gismero, J. Notario, Ma B. Lopez, F.
Copyright Year	2000
Description	Author affiliation: G.M.R. E.T.S.I. Telecomunicación UPM, 28040 Madrid, España (Gismero, J.; Notario, Ma B.) \|\| E.U.I. Telecomunicación UPM, España, C. Valencia Km 7, 28031 Madrid e@mail: jljimene@diac.upm.es, fax.: 34913367361 (Jimenez, J.L.) \|\| IKUSI S.A. Aptdo 1730, Martutene, 20080 San Sebastián, España (Lopez, F.)
Abstract	LMDS system in the band 28-31 GHz using 64QAM as modulation scheme requires local oscillators whose phase noise, once filtered by the demodulator, must be low enough so as not to produce errors or degrade the fade margin of the link. In the last two years, a number of papers have dealt on the quantification of the LO phase noise requirements as a function of the modulation scheme and required service quality. This paper, on the other had, is focussed on the design aspects of a essentially low-cost phase locked dielectric resonator oscillator (PLDRO) for a customer premises equipment (CPE) that meet the required performance. This PLDRO is locked by means of a sampling phase detector (SPD). This approach avoids the added phase noise present in structures based on frequency dividers. A comparison of these two approaches in terms of performance and cost are also presented.
Starting Page	1
Ending Page	3
File Size	2890681
Page Count	3
File Format	PDF
DOI	10.1109/EUMA.2000.338774
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-02
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Costs Phase noise Phase modulation Local oscillators Demodulation Degradation Dielectrics Sampling methods Phase detection Detectors
Content Type	Text
Resource Type	Article

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