Method and apparatus for synchronizing subscriber equipment with

Details Method and apparatus for synchronizing subscriber equipment with Method and apparatus for synchronizing subscriber equipment with

1995-05-30

1997-12-30

Kizou, Hassan

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370335, 370491, H04B 726, H04J 1302

Patent

active

057038732

ABSTRACT:
A base station, a subscriber equipment, and a method for synchronizing the subscriber equipment with the transmission of the base station in a digital cellular radio network utilizing the CDMA multiple access method. In each cell of the network, at least one base station communicates with the subscriber equipment within its area, in which network the base station transmits a separate pilot channel provided with a predetermined spreading code. In order to facilitate the synchronization of the subscriber equipment, the base station transmits a data-modulated signal on the pilot channel.

REFERENCES:
patent: 4792984 (1988-12-01), Mtsuo
patent: 4989204 (1991-01-01), Shimizu et al.
patent: 5103459 (1992-04-01), Gilhousen et al.
patent: 5109390 (1992-04-01), Gilhousen et al.
patent: 5212804 (1993-05-01), Choate
patent: 5235612 (1993-08-01), Stilwell et al.
patent: 5339184 (1994-08-01), Tang
patent: 5365544 (1994-11-01), Schilling
Telecommunications Industry Association, TIA/EIA Interim Standard: Mobile Station-Base Station Compatibility Standard for Dual-Mode Wideband Spread Spectrum Cellular System, Jul. 1993, TAI/EIA/IS-95, pp. 7-1 to 7-24.

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