Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-05-30
2006-05-30
Ferguson, Keith (Department: 2683)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S450000, C455S509000, C455S013100, C455S511000, C455S512000, C455S422100, C455S011100, C370S329000, C370S330000, C370S315000, C370S316000, C370S324000, C370S326000
Reexamination Certificate
active
07054641
ABSTRACT:
A communication system (100) includes an aircraft (120) that acts as a repeater between ground equipment (101) and communication units (128) on the ground. The ground equipment (101) includes multiple base transceiver stations (104, 106, 108) that provide traffic channels, control channels, and access channels. The channels are all in a single beam (124) projected from aircraft (120). Relative loading on access channels is influenced by access class lists (200, FIG.2) assigned to control channels. Access classes can be transferred from one list to another, or they can be removed from a list. Relative loading of traffic channels on the base transceiver stations is influenced by assigning different time offsets to base transceiver station so that calls can be transferred from one base transceiver station to another.
REFERENCES:
patent: 5530917 (1996-06-01), Andersson et al.
patent: 5844894 (1998-12-01), Dent
patent: 6091936 (2000-07-01), Chennakeshu et al.
patent: 6381228 (2002-04-01), Prieto et al.
Cimet Israel Arieh
Emmons, Jr. Thomas Peter
Oxley Derek Alan
Ferguson Keith
Motorola Inc.
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