Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2011-01-25
2011-01-25
Chou, Albert T (Department: 2471)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C709S245000
Reexamination Certificate
active
07876737
ABSTRACT:
Methods and systems are provided for location-based network address translation (NAT). The system allows an administrator to logically partition an environment into a plurality of spatial regions. The method then includes specifying, for each of the spatial regions, whether network address translation (NAT) is allowed or not allowed for that spatial region, then performing a locationing procedure to determine in which spatial region the mobile unit is located. NAT is allowed for wireless data communication from the mobile unit if the mobile unit is within one of the spatial regions for which NAT is allowed, and is not allowed for wireless data communication from the mobile unit if the mobile unit is within one of the spatial regions for which NAT is not allowed. The systems and methods are applicable, for example, to networks operating in accordance with 802.11, RFID, WiMax, WAN, Bluetooth, Zigbee, UWB, and the like.
REFERENCES:
patent: 7739402 (2010-06-01), Roese et al.
patent: 2004/0139228 (2004-07-01), Takeda et al.
Chou Albert T
Symbol Technologies Inc.
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