Wireless local area network access gateway and method for...

Details Wireless local area network access gateway and method for... Wireless local area network access gateway and method for...

2007-05-29

2007-05-29

Tse, Young T. (Department: 2611)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S352000, C370S392000, C726S013000

Reexamination Certificate

active

11261373

ABSTRACT:
A wireless local area network access gateway (WAG) includes a routing enforcement module and a charging module. The data packets sent via the WAG are outputted to the service authentication and authorization unit or packet data gateway (PDG) of WLAN or the WLAN UE after the forced route processing and collection of charging information. The WAG further includes a message filtering module for acquiring and storing packet filtering rules as well as discriminating, filtering and screening the data packets currently passing the WAG. Also disclosed is a method for ensuring network security by utilizing the WAG. With the disclosed WAG and method, data packets can be discriminated, filtered, and screened so as to prevent as much as possible illegal messages from interfering and threatening the network operation, prevent the transmission of illegal messages, improve the security of the network, and reduce the load of the network.

REFERENCES:
patent: 6128298 (2000-10-01), Wootton et al.
patent: 6874026 (2005-03-01), Maria et al.
patent: 2002/0129243 (2002-09-01), Nanjundiah
patent: 2004/0187033 (2004-09-01), Wang
patent: 2004/0247126 (2004-12-01), McClellan
patent: 1423461 (2003-06-01), None
patent: WO 0076125 (2000-12-01), None
International Search Report for PCT/CN2004/001392, Feb. 17, 2005.

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