Multiplex communications – Communication over free space – Combining or distributing information via code word channels...
Reexamination Certificate
2003-06-13
2009-12-01
Rao, Seema S (Department: 2416)
Multiplex communications
Communication over free space
Combining or distributing information via code word channels...
C370S469000, C370S524000
Reexamination Certificate
active
07626971
ABSTRACT:
By separating a function responsible for a control plane and a function responsible for a user plane into physically independent devices, a radio access network system, in which expandability and flexibility of a network is enhanced, is obtained. In the radio access network (RAN) system, the RAN is so designed that a server responsible for the control plane (CPS) and a server responsible for the user plane (UPS) are physically separated from each other. In response to an external request, a logical connection is set between the CPS and the UPS. For identification of the logical connection, mapping between a mobile unit or a radio bearer and the logical connection is managed using a logical connection ID. Thus, the CPS and UPS can independently be added or removed in a system configuration, thus enhancing the scalability of a mobile communication system.
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NEC Corporation
Rao Seema S
Wong Xavier
Young & Thompson
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