Method and system for controlling radio communications network and radio network controller
First Claim
1. A method for controlling radio communication between a terminal (MS, TE) and a communications system (CN, GRAN) in a communications system, the communication being with a spread code signal, the method comprising steps of establishing a communications connection between the system and the terminal via an active radio network controller (RNC) and active base station (BS), directing the communications connection to said active radio network controller via a second radio network controller (621-628), and employing in the communications system macrodiversity combining so that a spread code signal combination is carried out in a chain formed by radio network controllers serving as transmission links;
- wherein prior to a handover between radio network controllers, an external candidate set is established and a candidate set of a new active radio network controller is established on the basis of said external candidate set; and
wherein a handover between radio network controllers comprises a preparation phase and execution phase.
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Accused Products
Abstract
A method and system are disclosed for controlling radio communications between a terminal (MS, TE) and a communications system (CN, GRAN). A communications connection between the system and the terminal is established by an active radio network controller (RNC) and an active base station (BS). In one embodiment, data communications within the communications connection is directed to the active radio controller by a second radio network controller.
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Citations
5 Claims
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1. A method for controlling radio communication between a terminal (MS, TE) and a communications system (CN, GRAN) in a communications system, the communication being with a spread code signal, the method comprising steps of establishing a communications connection between the system and the terminal via an active radio network controller (RNC) and active base station (BS), directing the communications connection to said active radio network controller via a second radio network controller (621-628), and employing in the communications system macrodiversity combining so that a spread code signal combination is carried out in a chain formed by radio network controllers serving as transmission links;
- wherein prior to a handover between radio network controllers, an external candidate set is established and a candidate set of a new active radio network controller is established on the basis of said external candidate set; and
wherein a handover between radio network controllers comprises a preparation phase and execution phase. - View Dependent Claims (2, 3, 4, 5)
- wherein prior to a handover between radio network controllers, an external candidate set is established and a candidate set of a new active radio network controller is established on the basis of said external candidate set; and
Specification