Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2002-09-30
2008-03-18
Chin, Wellington (Department: 2616)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S310000
Reexamination Certificate
active
07346024
ABSTRACT:
An apparatus and method for accessing a private wireless Internet packet data communication system. A private packet data service apparatus includes a plurality of private BTSs positioned in an private packet data service zone and an private BSC for providing a wireless packet data service using a CDMA method. The private BTSs wirelessly communicate with terminals contained in a corresponding service zone. In the case where dialing numbers of calls requested by the private BTSs are not private packet service request signals, the private BSC transmits the calls to a public network BSC. In the case where dialing numbers of calls requested by the private BTSs are private packet service request signals, the private BSC provides the calls with a packet data service for which a non-authentication, a non-accounting, and an IP service are available. The private BSC includes a PDCC (Packet Data Call Controller), a PDTC (Packet Data Traffic Controller), and a PDMA (Packet Data Maintenance & Administration part). The PDCC generates or terminates an RP (Radio Packet) connection needed to perform packet data transmission/reception of a terminal between an AMC and a DCN (Data Core Network), and processes a state conversion concerning a packet call. The PDTC performs data transmission/reception between the AMC and the DCN. The PDMA performs an interface between a BAN and maintenance/administration blocks, checks states of the AMC and an ATM PVC, and checks a link state between the AMC and a DCN.
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Bushnell , Esq. Robert E.
Chin Wellington
Mais Mark A.
LandOfFree
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