Mobile communication network system and location registration method

• US 8,170,622 B2
• Filed: 06/27/2011
• Issued: 05/01/2012
• Est. Priority Date: 08/04/2005
• Status: Expired due to Fees

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Tajima, Yoshiharu, Furukawa, Hideto, Kawabata, Kazuo, Kawasaki, Yoshihiro, Obuchi, Kazuhisa
• Primary Examiner(s): Patel, Ajit
• Assistant Examiner(s): NGUYEN, KHAI MINH
• Application Number:
  US13/169,590
• Publication Number:
  US 20110255457A1
• Time in Patent Office: 309 Days
• Field of Search: 455/572, 455/550.1, 455/91, 455/127.1, 455/127.5, 455/343.1, 455/343.2, 455/343.3, 455/115.1, 455/115.2, 455/272, 370/334, 370/338, 370/332, 370/333
• US Class Current: 455/572
• CPC Class Codes: H04W 48/18 Selecting a network or a communication service
• CPC Class Codes: H04W 60/04 using triggered events
• CPC Class Codes: H04W 8/02 Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
• CPC Class Codes: H04W 8/04 Registration at HLR or HSS [Home Subscriber Server]
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: H04W 88/14 Backbone network devices
• CPC Class Codes: H04W 88/18 Service support devices; Network management devices
• CPC Class Codes: H04W 92/02 Inter-networking arrangements
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

The mobile communication network system having a plurality of mobile communication systems each including a base station performing wireless communications with a mobile station, comprises a storage unit storing location information of the mobile station, an acquisition unit acquiring, when receiving a location registering request from the mobile station, a communication-enabled mobile communication system in the mobile station as a sender of the location registering request, a specifying unit specifying a base station existing within the acquired communication-enabled mobile communication system and existing in the periphery of the base station receiving the location registering request, and a control unit storing the storage unit with information of the base station receiving the location registering request and information of the specified base station as location information about the sender mobile station of the location registering request.

Claims

1. A mobile station device capable of communicating with a plurality of mobile communication systems within a mobile communication network system, each of the plurality of mobile communication systems corresponding to a different communication method, the mobile station device comprising:

a plurality of wireless interfaces each implementing any one of the different communication methods;

a power control unit controlling the plurality of wireless interfaces such that any one of the plurality of wireless interfaces becomes communication-enabled, wherein the communication-enabled wireless interface is set as a waiting wireless interface;

a comparing unit comparing, based on an incoming notification received by the waiting wireless interface, a requested mobile communication system designated by information included in the incoming notification with a mobile communication system corresponding to the communication method implemented by the waiting wireless interface;

a switchover unit directing the power control unit to switchover the wireless interface implementing the communication method of the requested mobile communication system to be communication-enabled, when the comparing unit judges that the requested mobile communication system is different from the mobile communication system implemented by the waiting wireless interface; and

a transmitting unit transmitting a location registering request, for informing the mobile communication system corresponding to the communication method implemented by the waiting wireless interface, through the post-switchover wireless interface.

2. A communication interface switching method in a mobile station capable of communicating with a plurality of mobile communication systems within a mobile communication network system, each of the plurality of mobile communication systems corresponding to a different communication method, the mobile station having a plurality of wireless interfaces each implementing any one of the different communication methods and a power control unit controlling the plurality of wireless interfaces such that any one of the plurality of wireless interfaces becomes communication-enabled, wherein the communication-enabled wireless interface is set as a waiting wireless interface, the communication interface switching method comprising:

a comparing step of comparing, based on an incoming notification received by the waiting wireless interface, a requested mobile communication system designated by information included in the incoming notification with a mobile communication system corresponding to the communication method implemented by the waiting wireless interface;

a switchover step of directing the power control unit to switchover the wireless interface implementing the communication method of the requested mobile communication system to be communication-enabled, when it is judged in the comparing step that the requested mobile communication system is different from the mobile communication system implemented by the waiting wireless interface; and

a transmitting step of transmitting a location registering request, for informing the mobile communication system corresponding to the communication method implemented by the waiting wireless interface, through the post-switchover wireless interface.