Base station of mobile communication system
AssigneeFujitsu Limited
InventorYuji Kojima
Life of this patent
Estimating the term…
Abstract
A base station of a mobile communication system which allocates a bandwidth for handover ranging or bandwidth request ranging in response to a code transmitted from a mobile station that is selected by the mobile station from a plurality of codes includes a ranging allocating unit configured to allocate, to a mobile station performing handover, at least one of a dedicated ranging code and a dedicated ranging slot that are exclusively used and not used by any mobile stations other than the mobile station, and that are provided separately for each of a plurality of base stations to which the mobile station is to be possibly connected.
Claims10
A base station of a mobile communication system which allocates a bandwidth for handover ranging or bandwidth request ranging in response to a code transmitted from a mobile station that is selected by the mobile station from a plurality of codes, comprising:
- a ranging allocating unit configured to allocate to a mobile station performing handover-cancellation at least one of a dedicated ranging code and a dedicated ranging slot that is exclusively used by the mobile station and not used by any mobile stations other than the mobile station, and that is provided separately for each of a plurality of base stations to which the mobile station is to be possibly connected, wherein a period of an effective state of said at least one of the dedicated ranging code and the dedicated ranging slot is set equal to a time length of a context-retained state in which during which a serving base station retains contexts of the mobile station performing handover-cancellation.
Dependencies are inferred from the claim text.