METHOD AND STRUCTURES FOR MOBILITY POLICY IN A WIMAX COMMUNICATIONS SYSTEM
First Claim
1. Method for mobility control of a terminal, wherein a mobility policy parameter is provided which defines the mobility control of the terminal, the mobility policy parameter preferably being part of a mobility policy or subscription record stored for a subscriber of the terminal in a subscriber data base.
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Abstract
The invention relates to method and structures for mobility policy e.g. in a Worldwide Interoperability for Microwave Access, WiMAX, based communication. According to embodiments, a method and devices for mobility control of a terminal are provided wherein a mobility policy parameter defines the mobility control of the terminal. The mobility policy parameter preferably is part of a mobility policy or subscription record stored for a subscriber of the terminal in a subscriber data base. The mobility policy parameter may include at least one of an indication of mobility restriction, possibly indicating included or excluded cells or areas etc; an indication of fixed access, indicating a fixed base station to which the subscriber has to request access; nomadicity, indicating that no handover is allowed for that particular subscriber; and restricted mobility limited to a group of base stations or areas. Embodiments allow to deploy mobile WiMAX for fixed access applications, enabling reuse of existing technology and further development towards full mobility.
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Citations
17 Claims
- 1. Method for mobility control of a terminal, wherein a mobility policy parameter is provided which defines the mobility control of the terminal, the mobility policy parameter preferably being part of a mobility policy or subscription record stored for a subscriber of the terminal in a subscriber data base.
- 13. Network element adapted to store or retrieve a mobility policy parameter for a terminal, configured to perform a mobility policy check based on the mobility policy parameter when the terminal requests access or a change, and to decide on granting or denying the requested access or change depending on the mobility parameter.
Specification