Radio

Details Radio Radio

2006-03-28

2006-03-28

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C075S249000, C342S368000, C375S375000

Reexamination Certificate

active

07020492

ABSTRACT:
A received signal vector (X(t)) from an array antenna (#1to #4) is subjected to frequency offset correction by a frequency offset correction part (6) and thereafter subjected to adaptive array processing. An error signal (e(t)) is referred to on the basis of an output signal (y(t)) from the adaptive array and a reference signal (d(t)) held in a memory (30) in a reference signal section or a replica signal (d′(t)) output from a forced phase-locking processing part (20) in a section having no reference signal, so that a frequency offset quantity (Δθ) is extracted therefrom by an offset extraction part (100).

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Hitoshi Yoshino et al.; “An Equalizer with Carrier-Acquisition-during Training (CAT) Algorithm for Mobile Radio”,IEICE Transactions B-11, vol. J74-B-II, No. 9, Sep. 1991.

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