Radio communication analyzer having collective measurement funct

Details Radio communication analyzer having collective measurement funct Radio communication analyzer having collective measurement funct

1997-03-20

1999-05-25

Bost, Dwayne D.

Telecommunications

Transmitter

Measuring, testing, or monitoring of transmitter

455 42, 375316, 375322, 375354, H04Q 734

Patent

active

059077972

ABSTRACT:
A radio communication analyzer tests the signal characteristics of a carrier, as a target signal to be tested, which has undergone quadrature modulation using a digital data signal output from a radio unit to be tested. A quadrature demodulation section performs quadrature demodulation of the target signal and outputs a baseband signal. A storage section stores the waveform data of the baseband signal. A clock synchronous detection section detects clock synchronization information contained in the target signal based on the waveform data. A demodulation section sequentially reads out the waveform data and obtains demodulated digital data in accordance with the clock synchronization information. A burst synchronous detection section generates burst synchronization information representing a burst start position of the target signal on the basis of the demodulated digital data or the waveform data.

REFERENCES:
patent: 5805666 (1996-02-01), Ishizuka et al.
Personal Digital Cellular Telecommunication System RCR Standard issued on Jun. 27, 1995; Research & Development Center for Radio Systems (RCR); pp. 789-808.
Personal Handy Phone System ARIB Standard; Version 2; issued on Dec. 26, 1995; Association of Radio Industries & Businesses (ARIB); pp. 429-447.

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