Method and apparatus for providing roaming instructions to data

Details Method and apparatus for providing roaming instructions to data Method and apparatus for providing roaming instructions to data

1996-01-11

1997-11-25

Ton, Dang

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370349, 370 59, 455 331, H04J 316

Patent

active

056919816

ABSTRACT:
A communication system (105) provides roaming instructions within a signal having frames of data. The communication system (105) includes a message transmission device (110) for batching information into a frame of data and transmitting, within a predetermined geographic area, the information on a radio communication channel. The frame includes at least frame offset information for reception by a data communication receiver (115) located within the predetermined geographic area for receiving the information. The data communication receiver (115) stores a base frame number associated with a base frame during which the data communication receiver (115) is assigned to wake for message reception. The frame offset information is indicative of a substitute frame that is relative to the base frame. The data communication receiver (115) is to wake for message reception thereafter in the substitute frame rather than the base frame.

REFERENCES:
patent: 5359603 (1994-10-01), McTiffin
patent: 5539744 (1996-07-01), Chu et al.

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