Method and apparatus for direct communication in a TDMA radio co

Details Method and apparatus for direct communication in a TDMA radio co Method and apparatus for direct communication in a TDMA radio co

1994-11-17

1996-05-07

Marcelo, Melvin

Multiplex communications

Wide area network

Packet switching

370 953, 455 342, H04J 400, H04Q 720

Patent

active

055153666

ABSTRACT:
Direct communication between a primary portable unit initiating the communication and a secondary portable unit is established utilizing two handshaking operations. The first handshaking operation is performed in the base station channel to establish initial contact between the primary and secondary portable units. After initial contact is made, the second handshaking operation is performed to establish communication in an unoccupied channel. The base station channel and the unoccupied channel may be a TDMA/TDD channel or a TDMA/FDD channel.

REFERENCES:
patent: 4354229 (1982-10-01), Davis et al.
patent: 4914650 (1990-04-01), Sriram
patent: 5025486 (1991-06-01), Klughart
patent: 5068916 (1991-11-01), Harrison et al.
patent: 5121391 (1992-06-01), Paneth et al.
patent: 5124984 (1992-06-01), Engel
patent: 5276703 (1994-01-01), Budin et al.

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