Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2006-04-26
2010-02-23
Bhattacharya, Sam (Department: 2617)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S330000
Reexamination Certificate
active
07668148
ABSTRACT:
A method and apparatus are provided for allocating radio frequency carriers in a radio service area having a plurality of radio frequency TDMA carriers and FDMA carriers. The method includes the steps of receiving a call, when the received call is a FDMA call and a FDMA carrier is not available for the FDMA call, then preempting a pre-existing call on a TDMA carrier of the plurality of radio frequency TDMA carriers for the FDMA call and when the received call is a TDMA call and a TDMA slot is not available for the TDMA call, then preempting a pre-existing FDMA call on a TDMA capable carrier of the plurality of radio frequency TDMA carriers for the TDMA call.
REFERENCES:
patent: 5790527 (1998-08-01), Janky et al.
patent: 6804532 (2004-10-01), Moon et al.
Ali Jahan Z.
Baarman Matthew A
Forseth Holly T.
May John C.
McDonald Daniel J.
Bhattacharya Sam
Davis Valerie M.
Hughes Terri S.
Motorola Inc.
Saladi Indira
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