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US 2009/0275337 A1Published application
Mobile communications system, handover controlling method, radio network controller, and mobile terminal
AssigneeMitsubishi Electric Corporation
InventorsMiho Maeda, Hideji Wakabayashi, Koutarou Sugisawa
Life of this patent
Estimating the term…
Abstract
A radio network controller 3 is so constructed as to divide a plurality of base stations 2 into a group of base stations included in an E-DCH active set and a group of base stations included in an active set for soft handovers (i.e., a prior art active set) according to a status of reception of data in each of the plurality of base stations 2.
Claims3
1-40. (canceled)
An active set controlling method comprising:
- a quality comparison step of comparing a measurement quantity of communication quality with respect to a base station not included in an E-DCH active set but included in a DCH active set, with a measurement quantity of communication quality with respect to a base station included in the E-DCH active set;
- and
- a notification step of notifying, in case that the communication quality with respect to the base station not included in the E-DCH active set but included in the DCH active set is better than the communication quality with respect to the base station included in the E-DCH active set, occurrence of the event to delete the base station included in the E-DCH active set from the E-DCH active set and to add the base station not included in the E-DCH active set but included in the DCH active set to the E-DCH active set.
Dependencies are inferred from the claim text.