Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-02-27
1999-08-17
Nguyen, Lee
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455 381, 455560, 34082544, H04Q 710
Patent
active
059407573
ABSTRACT:
A communication system (100) that selects alternative data channels for communication has a base station (106) coupled to a plurality of alternative data communication systems (112, 114, 116) that receive messages intended for a selective call device designated by an address. A data scheduler (104), coupled to the base station (106) and the plurality of alternative data communication systems (112, 114, 116), has a categorizer (404) for categorizing the message as being suitable for transmission on an alternative data channel, a controller (402) for coordinating a list of the alternative data communication systems suitable for transmitting the message and a selector (406) for selecting the alternative data channel for transmitting the message. A controller (105) encodes a selective call signal with the address and a vector and a transmitter transmits the selective call signal to the selective call device (102) on a control channel including the address for identifying the selective call device the vector designating the alternative data channel.
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patent: 5392452 (1995-02-01), Davis
patent: 5696500 (1997-12-01), Diem
patent: 5706331 (1998-01-01), Wang et al.
Chanroo Keith A.
Motorola Inc.
Nguyen Lee
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