Method and apparatus for wireless communication

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S011100, C455S517000, C455S421000, C455S007000

Reexamination Certificate

active

07065364

ABSTRACT:
A method of transmitting wireless messages in a communications system (201) having a plurality of transceiver units (203) for receiving and onwardly transmitting wireless messages is disclosed. In a first mode of the system, messages are transmitted from a first transmitter to a target receiver by sequential transmission via at least one transceiver unit (203). In a second mode, a wireless message containing information identifying a target receiver is transmitted from a first transmitter. The target receiver transmits an acknowledgement signal in response to receipt of the message, and at least one of the transceiver unit (203) transmits the message if that unit does not detect within a predetermined period the acknowledgement signal or transmission of the message by a predetermined other transceiver unit (203).

REFERENCES:
patent: 3745462 (1973-07-01), Trimble
patent: 5465081 (1995-11-01), Todd
patent: 5740363 (1998-04-01), Siep et al.
patent: 5890054 (1999-03-01), Logsdon et al.
patent: 6125279 (2000-09-01), Hyziak et al.
patent: 6377805 (2002-04-01), Anvekar et al.
patent: 0851632 (1998-07-01), None
patent: WO 98/39936 (1998-11-01), None

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