Cellular packet data arrangement

Details Cellular packet data arrangement Cellular packet data arrangement

1995-03-01

1998-01-20

Bost, Dwayne

Telecommunications

Radiotelephone system

Auxiliary data signaling

455422, 455432, 455436, 370328, H04Q 720, H04Q 724

Patent

active

057110085

ABSTRACT:
A cellular packet data arrangement includes an interface unit (NIU) to a packet data network and link interface units (LIUs) each providing a channel to a respective radio transceivers for communicating data packets with mobile terminals each having an individual identifier (TEI). Each LIU stores the TEI, channel number, and protocol data for communications with each mobile terminal handled by the LIU. In response to a first LIU receiving a communication from a mobile terminal whose communications have previously been on a channel handled by a second LIU, this is identified from the mobile terminal's TEI not being stored in the first LIU and being stored in the NIU in respect of the second LIU, and the protocol data for the mobile terminal is transferred from the second to the first LIU. To avoid a possible error condition, the first LIU can suppress a reply to the communication from the mobile terminal until this is resent.

REFERENCES:
patent: 5353331 (1994-10-01), Emery et al.
patent: 5457680 (1995-10-01), Kamm et al.
patent: 5511098 (1996-04-01), Gardner
Chang et al., "Architecture Alternative for Wireless Data Services: Interworking With Voiceband and Modem", Networks for Personal Comm. Conf. Proc., pp. 1-8, (1994).
S. Barber et al., "Dual-Mode System Provides Smooth Evolution Path", Telesis, No. 94:35-51, (1992).

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