Pulse or digital communications – Repeaters – Testing
Patent
1994-12-05
1996-04-16
Tse, Young T.
Pulse or digital communications
Repeaters
Testing
375356, 455 332, H04B 1713, H04L 700
Patent
active
055090273
ABSTRACT:
A method for a synchronizing user devices (12) performing handoffs includes providing a set of location synchronizing frequencies and data frequencies selected from a hopping set used by network access points (14). Each AP transmits synchronizing data (36) at the synchronizing frequencies during a portion of a short dwell (32), the short dwells (32) being interleaved between long dwells (30). When a user device (12) attempt a handoff, it tunes to at least one of the synchronizing frequencies and receives synchronizing information (36). The user device (12) then selects one AP (14) for link transfer and synchronizes its operation to the hopping set used by the selected AP (14).
REFERENCES:
patent: 4677617 (1987-06-01), O'Connor et al.
patent: 5381443 (1995-01-01), Borth et al.
patent: 5394433 (1995-02-01), Bantz et al.
patent: 5408506 (1995-04-01), Mincher et al.
patent: 5446769 (1995-08-01), Shaver et al.
Doss William K.
Muehlfeld Alan D.
Nguyen Mai T.
Shaver John E.
Vook Frederick W.
Hilman Val Jean
Motorola Inc.
Tse Young T.
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