Protocol converter and router for multi-mode wireless data commu

Details Protocol converter and router for multi-mode wireless data commu Protocol converter and router for multi-mode wireless data commu

1996-07-24

1999-04-13

Ton, Dang

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370466, H04J 322, H04J 316

Patent

active

058944788

ABSTRACT:
The present invention encompasses an apparatus and method for supporting multiple wireless data communication networks between a wireless communications device and a fixed communications device or another wireless communications device. Two network elements compose the physical apparatus, a protocol converter and a router. Upon receiving packet data from a fixed communications device, a router will locate a destination wireless communications device. The router will then convert the packet data to a format usable by the wireless data network that the wireless communications device is currently using for wireless access. After conversion, the router will perform actual transmission of the packet data to the correct destination wireless network. Once the converted packet data is received by the wireless network base station, it will be transmitted via RF to the destination wireless communications device. The router will also perform reverse functions of receiving packet data from a wireless communications device across wireless data network and then perform necessary conversion to a format usable by fixed communications device. The router will then perform actual transmission of the converted packet data to the fixed communications device.

REFERENCES:
patent: 5428771 (1995-06-01), Daniels et al.
patent: 5471471 (1995-11-01), Freeburg et al.
patent: 5608720 (1997-03-01), Biegel et al.

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