The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2009
Filed:
Jun. 13, 2003
Satoshi Noma, Tokyo, JP;
Satoshi Noma, Tokyo, JP;
NEC Corporation, Tokyo, JP;
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.