Methods and apparatus for adapting a hop sequence when...

Details Methods and apparatus for adapting a hop sequence when... Methods and apparatus for adapting a hop sequence when...

2007-06-05

2008-08-12

Wang, Ted (Department: 2611)

Pulse or digital communications

Spread spectrum

Frequency hopping

C375S131000, C375S133000, C375S136000, C375S346000, C455S464000

Reexamination Certificate

active

07411994

ABSTRACT:
Methods and apparatus are provided for establishing a connection between a scanner device and a pager device over a sequence of hop channels. The scanner device is repetitively activated and a hop channel is selected from the sequence of hop channels as a function of a present phase. A determination is made as to whether the selected hop channel is a forbidden hop channel. A substitute hop channel is selected from the sequence of hop channels as the selected hop channel if the selected hop channel is a forbidden hop channel. The selected hop channel is monitored for receipt of a paging message during the present phase.

REFERENCES:
patent: 4716573 (1987-12-01), Bergstrom et al.
patent: 5940431 (1999-08-01), Haartsen et al.
patent: 6480721 (2002-11-01), Sydon et al.
patent: 6760319 (2004-07-01), Gerten et al.
patent: 7245649 (2007-07-01), Haartsen
patent: 2004/0008756 (2004-01-01), Haartsen

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