Phase error correcting vector modulator for personal communications network (PCN) transceivers

4 July 1991

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 27 (14) , 1230-1231
https://doi.org/10.1049/el:19910772

Abstract

A technique is reported for correcting phase errors in vector modulators for application in PCN (personal communication network) transceivers. The technique uses an AM demodulation process to extract the phase error from the output signal, and uses the capability of direct digital frequency synthesisers to predistort the phase of the inphase and quadrature components separately. The phase predistortion method can achieve accuracies of less than 0.05° phase error, which can be further improved by increasing the number of bits in the synthesis.

Keywords

PHASE PREDISTORTION METHOD
PHASE ERROR CORRECTION
INPHASE COMPONENTS
PHASE ERROR CORRECTING VECTOR MODULATOR
1.8 GHZ
AM DEMODULATION PROCESS
DIRECT DIGITAL FREQUENCY SYNTHESISERS
QUADRATURE COMPONENTS
PCN TRANSCEIVERS
PERSONAL COMMUNICATIONS NETWORK

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