Synchronizing base stations in a wireless telecommunications sys

Details Synchronizing base stations in a wireless telecommunications sys Synchronizing base stations in a wireless telecommunications sys

1998-06-10

2000-09-12

Hunter, Daniel S.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455502, 455 676, 375219, 375355, 375358, 375376, H04R 1700, H04Q 714, H04L 700, H03D 324

Patent

active

061190160

ABSTRACT:
A technique for synchronizing the timing signals in the base stations of a wireless telecommunications system is disclosed. In accordance with the illustrative embodiment of the present invention, each base station derives the frequency of its timing signal from one periodic signal, but the phase of its timing signal from a second periodic signal. In general, the base station derives its timing signal based on: (1) the frequency of a reference timing signal, and (2) the phase of a feedback signal. The reference timing signal can be obtained from a common timing source or from different timing sources which are designed to have the same frequency. The feedback signal is advantageously the confluence of two feedback loops. In accordance with the first feedback loop, the feedback signal is based on the phase of the base station's own timing signal. In accordance with the second feedback loop, the feedback signal is based on the phase of the timing signals from one or more nearby base stations. Advantageously, the feedback signal is based on the Boolean AND or NAND function of the base station's own timing signal and the timing signals of the nearby base stations.

REFERENCES:
patent: 4411007 (1983-10-01), Rodman et al.
patent: 5062124 (1991-10-01), Hayashi et al.
patent: 5201061 (1993-04-01), Goldberg et al.
patent: 5404575 (1995-04-01), Lehto
patent: 5555213 (1996-09-01), DeLong
patent: 5592474 (1997-01-01), Tanaka
patent: 5608765 (1997-03-01), Tanoue
patent: 5631590 (1997-05-01), Tomesakai
patent: 5873044 (1999-02-01), Goldberg et al.
patent: 5920557 (1999-07-01), Hirata

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