Abstract:
The present invention relates to methods and arrangements for improving the capabilities of an evolved Universal Terrestrial Radio Access Network, in particular for cases when more than one radio access network applying a time-division duplex transmission mode need to co-exist on a same carrier. The invention addresses further problems concerning an efficient allocation of uplink resources and resource allocation in a handover situation. The present invention assigns an attribute in form of a distinguishing value to the time slots used for the uplink and downlink transmission on said carrier such as to avoid scheduling of transmissions via a first radio access network in downlink or uplink time slots assigned to the second radio access network and to avoid scheduling of transmissions via the second radio access network in uplink time slots assigned for transmissions in the first radio access network.
Abstract:
The present invention relates to a method and arrangement in a radio base station (122,133) of a telecommunication system (100) to achieve an adaptive resource handling for quasi-synchronised reconfigurations of radio bearers and transport channels. In response to a received message to prepare a synchronised radio link reconfiguration, the radio base station (122, 133) informs, e.g. in an indication message that the synchronised radio link reconfiguration is prepared, a centralised controller node (121, 131) that the radio base station admits a simultaneous supporting of an old and a new radio link configuration during a transition
Abstract:
A serving radio network controller (SRNC) of a radio access network assigns one or both of an appropriate temporary identifier (C-RNTI) and radio resources to a connection which is switched from a dedicated channel to a common channel in a cell handled by a drift radio network controller (DRNC). In one embodiment, the appropriate temporary identifier (C-RNTI) and the radio resources are obtained by the serving radio network controller (SRNC) upon execution of a channel switching process (e.g., when it has been determined that a connection should be switched from a dedicated channel to a common channel). In another embodiment of the invention, the serving radio network controller (SRNC) can obtain the appropriate temporary identifier (C-RNTI) and the radio resources prior to an actual channel switch operation. In both embodiments, the obtaining of the temporary identifier and/or radio resources can be part of a Common Transport Channel Resources Initialization procedure.
Abstract:
A method for performing Cell-Updates or URA-Updates in a mobile communication system (10) is disclosed, whereby a user Equipment (UE) (19) sends a Cell-Update message or URA-Update message to an SRNC (16a). The transported Cell-Update message or URA-Update message includes a sequence counter which is incremented each time the UE (19) sends such a message to the SRNC (16a). The SRNC (16a) stores the value of the sequence counter for each Cell-Update message or URA-Update message received and acknowledged. If the SRNC (16a) receives a Cell-Update message or URA-Update message with a corresponding sequence counter value that is lower than the sequence counter value stored for the previously received Cell-Update message or URA-Update message, then the SRNC (16a) ignores the received Cell-Update message or URA-Update message. Also, the SRNC (16a) does not store the sequence counter value for the ignored, received Cell-Update message or URA-Update message.
Abstract:
The disclosure concerns a method for providing communication with a mobile station (12) via a first wireless access point (10) as well as the access point. The mobile station (12) has a first identifier for use in a first communication network (14) and the wireless access point comprises a first wireless interface for a first type of wireless communication with mobile stations in relation to the first communication network (14), a second wireless interface for a second type of wireless communication with mobile stations in relation to a second communication network (16), a mapping unit associating the first type of wireless communication for the mobile station with the second type of wireless communication for the mobile station based on the first identifier and a traffic control unit transporting traffic of wireless communication of the second type for the mobile station through the first communication network (14) based on the association.
Abstract:
A wireless terminal (30), when already having a registration and/or session for a packet switched (PS) service with a Long Term Evolution (LTE) core network, makes a registration for a circuit switched (CS) service over a Wide Band Code Division Multiplexing (WCDMA) air interface with a circuit switched (CS) core network, but in conjunction with the registration for the circuit switched (CS) service maintains the registration and/or session for a packet switched (PS) service with the Long Term Evolution (LTE) core network.
Abstract:
Relevant radio-link related information is transferred through a wireless terminal (30) from one type of network (network 22B) to another type of network (network 22A) and vice versa. The wireless terminal 30 acts as a mediator or relay for the link report message of one type network (network 22B) so that link indications thereof can be utilized in a handover determination by the other type network (network 22A).
Abstract:
In a radio access network, a SRNC relocation procedure (100, 100') is performed for relocating a role of a serving radio network controller (SRNC) for a telecommunications service involving a user equipment unit (UE) from a first radio network controller (261) to a second radio network controller (262). In accordance with various modes of the SRNC relocation procedure, the first radio network controller signals to the second radio network controller information for linking transport channels utilized for the service with a radio access bearer (RAB) for the service. In a first mode of the invention, the signaling links a dedicated transport channel (DCH) utilized for the service with a radio acces bearer (RAB) for the service. In second through fourth modes of the invention, during the SRNC relocation procedure the signaling links uplink and downlink transport channel (TrCH) IDs with the radio access bearer (RAB) identifier. Preferably but not exclusively, in accordance with the SRNC relocation procedure the signaling of the information for linking the transport channels with the radio access bearer (RAB) for the service occurs at a time when a user equipment unit (UE) involved in the service is not changing cells, with the signaling being routed via a core network. Advantageously, the SRNC relocation procedure of the invention allows the target SRNC node to utilize, after the relocation, the same transport channels as before the location, without having to make new allocations of transport channels.
Abstract:
In a mobile communications network that employs diversity combining/splitting, CN-RNC interface streamlining can be accomplished more efficiently by reconfiguring the network diversity legs, which are combined into a single data stream by the serving radio network controller, wherein the serving radio network controller is directly connected to the core network via the CN-RNC interface. Reconfiguration of the network diversity legs is accomplished by releasing the transport level connections which support the network diversity legs prior to CN-RNC interface streamlining, and establishing new transport level connections to support the reconfigured, network diversity legs subsequent to CN-RNC interface streamlining. To establish new transport level connections, the serving radio network controller dispatches binding information to each of the destination nodes associated with the network diversity legs. The destination nodes then utilize the binding information to bind network resources to the transport level connections which support the reconfigured network diversity legs between the destination nodes and the serving radio network controller.
Abstract:
The invention is directed to extending the MME-GANC interface with a function which facilitates the reporting by the GANC which UEs that have registered for the GAN to tunnel CS voice over EPS. The MME then selects the target for a PS network HO, related to a PS network to CS network handover for either SRVCC or GAN to tunnel CS voice over EPS.