Rapid signal acquisition and synchronization for access transmis

Details Rapid signal acquisition and synchronization for access transmis Rapid signal acquisition and synchronization for access transmis

1998-06-16

2000-03-28

Horabik, Michael

Multiplex communications

Communication over free space

Combining or distributing information via time channels

375335, H04B 7216, H04J 706

Patent

active

060440740

ABSTRACT:
A system and method for rapidly acquiring timing of an access transmission that uses an access probe that is transmitted in stages. A first stage of the access probe is spread with a short pseudonoise (PN) code pair. A second stage of the access probe is spread with both the short PN code pair and a long PN code. Transmitting the access probe in stages reduces the number of hypotheses, and hence the time, required by a receiver attempting to acquire the access probe.

REFERENCES:
patent: 5103459 (1992-04-01), Gilhousen et al.
patent: 5805648 (1998-09-01), Sutton
patent: 5862172 (1999-01-01), Sugita et al.

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