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WO2016180178A1 - Procédé et dispositif pour qu'un terminal lance une requête d'accès - Google Patents

Procédé et dispositif pour qu'un terminal lance une requête d'accès Download PDF

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Publication number
WO2016180178A1
WO2016180178A1 PCT/CN2016/079595 CN2016079595W WO2016180178A1 WO 2016180178 A1 WO2016180178 A1 WO 2016180178A1 CN 2016079595 W CN2016079595 W CN 2016079595W WO 2016180178 A1 WO2016180178 A1 WO 2016180178A1
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WIPO (PCT)
Prior art keywords
terminal
base station
radio resource
initiating
access request
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Ceased
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PCT/CN2016/079595
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English (en)
Chinese (zh)
Inventor
贺美芳
黄河
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1446—Reselecting a network or an air interface over a different radio air interface technology wherein at least one of the networks is unlicensed

Definitions

  • This document relates to the technical field of initiating an access request, and specifically relates to a method and apparatus for a terminal to initiate an access request.
  • LTE Long Term Evolution
  • LTE Advanced enhanced LTE
  • Wireless LANs of the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard have been widely used in hotspot access coverage in homes, businesses, and even the Internet.
  • IEEE Institute of Electrical and Electronics Engineers
  • Wi-Fi Wireless-Fidelity
  • the 3GPP SA2 (Security Assurance) adopts the Access Network Discovery and Selection Functions (ANDSF) scheme, and provides a mode for selecting a target access network for a terminal according to an operator policy.
  • ANDSF Access Network Discovery and Selection Functions
  • the 3GPP R10 defines the ANDSF standard.
  • the ANDSF acts as an access anchor to implement intelligent network selection. Through the interaction between the network and the terminal, the network access is effectively offloaded, which is in line with the future multi-network coordinated operation direction.
  • the ANDSF formulates policies based on information such as network load, terminal capabilities, and user subscriptions to help end users select the best access network standard and implement coordinated operation of multiple access modes.
  • ANDSF can be deployed separately or in combination with other network elements. At present, the mainstream view of the industry believes that ANDSF can be deployed on PCC (Policy Control and Charging) devices.
  • PCC Policy Control and Charging
  • ANDSF is a WLAN interworking scheme based on the core network. It does not consider the impact on the access network. In addition, because the ANDSF is a relatively static solution, it can not adapt to the dynamic changes of network load and channel quality. Therefore, in R12 WLAN/3GPP wireless interoperation, a mechanism for performing WLAN offloading rules and triggering is introduced.
  • the core network mechanism and the auxiliary information mechanism from the radio access network cannot provide the network side with real-time use of load and channel conditions to consolidate the use of radio resources.
  • data from the same bearer cannot be served on both 3GPP and WLAN links. Therefore, the need for WLAN integration with 3GPP networks has been reintroduced.
  • the RAN (Radio Access Network) hierarchical aggregation WLAN is integrated with the 3GPP network, and the WLAN and the 3GPP network are tightly coupled, which provides better overall system.
  • Tight integration and aggregation at the radio layer allows more real-time joint scheduling of WLANs and radio resources of the 3GPP network, thus improving user QoS (Quality of Service) and overall system capacity.
  • QoS Quality of Service
  • each link scheduling decision can be made to the level of each packet.
  • the user plane is anchored to a reliable LTE network and can be improved by rolling back to the LTE network.
  • the close coupling between the WLAN and the 3GPP network can be applied to the co-location scenario (the RAN layer integration operation is performed between the eNB (evolved base station) and the AP (Access Point) through the internal interface) and the non-co-location cooperation scenario (eNB and The RAN layer integration operation is completed between the APs through the external interface.
  • the co-location scenario the RAN layer integration operation is performed between the eNB (evolved base station) and the AP (Access Point) through the internal interface
  • eNB and The RAN layer integration operation is completed between the APs through the external interface.
  • the base station Before performing the tightly coupled access configuration, the base station needs to know the WLAN status of the terminal.
  • the WLAN status part information of the terminal can be obtained from the WLAN side.
  • Base station The control plane interface that is not shared with the AP. The base station cannot know which AP the UE is connected to at this time. This will cause the base station to have insufficient WLAN information (such as the WLAN address, MAC (Media Access Control) address or IP address) routes tightly coupled packets to the terminal.
  • the base station also cannot be aware of which AP is most effective for load sharing. It is convenient for the base station to learn the necessary information of the WLAN status of the terminal, and the industry has proposed a process for defining information request and response.
  • the above problem solution for some terminals that have service requirements with the WLAN, cannot perform tight coupling operation or switching between access networks controlled by the 3GPP network in time, resulting in data retention and delay.
  • the loosely coupled network of the terminal in the AP1 range is offloaded to the WLAN network in the AP1 range, and the service is performed in the WLAN network, and then the terminal is reselected by the cell to enter the 3GPP network of the tightly coupled system.
  • the cell because the 3GPP cannot know that the terminal has a service, has been waiting for the UE to initiate a radio access request, so that the tight connection operation or the switching between the access networks controlled by the 3GPP network cannot be performed.
  • the technical problem to be solved by the present invention is to provide a method and apparatus for a terminal to initiate an access request, so that a UE having a service transmission can perform a tight coupling operation or a handover between access networks controlled by a 3GPP network in time.
  • a method for a terminal to initiate an access request is applied to a terminal side, and the method includes:
  • the terminal receives the first indication information sent by the base station of the first system, where the first indication information is used to notify the terminal to initiate a wireless connection with the base station of the first system;
  • the terminal When it is determined that the terminal satisfies the ingress tight coupling condition, the terminal initiates a radio resource control connection request or a radio resource reconfiguration request to the base station of the first system.
  • the method further includes:
  • the terminal stops the selection and/or reselection operation of the first system to the second system according to the first indication information.
  • the method further includes:
  • the terminal continues the selection and/or reselection operation from the second system to the first system according to the first indication information.
  • the method further includes:
  • the terminal receives connection configuration information sent by a base station of the first system.
  • the method further includes:
  • the service information of the service to be offloaded to the first system in the second system is reported to the base station of the first system.
  • the step of the terminal stopping the selection and/or reselection operation of the first system to the second system includes one or more of the following:
  • the evaluation of the measurement and/or measurement events corresponding to the selection and/or reselection operations of the first system to the second system is stopped.
  • the step of the terminal continuing the selection and/or reselection operation from the second system to the first system comprises one or more of the following:
  • An evaluation of the measurement and/or measurement events corresponding to the second system selection and/or reselection by the second system is performed.
  • the step of the terminal receiving the first indication information sent by the base station of the first system includes:
  • the terminal receives the first indication information by using a radio resource control RRC message.
  • the entering tight coupling condition comprises one or more of the following conditions:
  • a cell that enters the tightly coupled system by cell reselection According to a preset setting, a cell that enters the tightly coupled system by cell reselection
  • the amount of data that is not sent out of the buffer reaches a preset threshold
  • the ongoing service support in the second system is offloaded to the first system.
  • the first indication information includes one or more of the following information:
  • the service information includes one or more of the following information: access point name APN information, quality of service QoS information, and measurement information;
  • the QoS information includes: a guaranteed bit rate GBR and/or a maximum bit rate MBR and/or a quality of service scale value QCI;
  • the measurement information includes: a current average rate and/or current data cache information.
  • a method for a terminal to initiate an access request is applied to a base station side of a first system, including:
  • the base station of the first system sends the first indication information to the terminal, where the first indication information is used to notify the terminal to initiate a wireless connection with the base station of the first system;
  • the base station of the first system receives a radio resource control connection request or a radio resource reconfiguration request fed back by the terminal.
  • the method further includes:
  • the base station of the first system sends connection configuration information to the terminal.
  • the step of the base station of the first system sending the first indication information to the terminal includes:
  • the base station of the first system sends the first indication information to the terminal by using a radio resource control RRC message.
  • the RRC message is a system broadcast message or a dedicated RRC message.
  • the first indication information includes one or more of the following information:
  • connection configuration information includes one or more of the following information:
  • the third generation partner plans the switching configuration information between the access networks controlled by the 3GPP network;
  • An apparatus for initiating an access request by a terminal is disposed on a terminal side, and includes a first receiving module and a first sending module, where
  • the first receiving module is configured to: receive first indication information sent by a base station of the first system, where the first indication information is used to notify the terminal to initiate a wireless connection with a base station of the first system;
  • the first sending module is configured to: when determining that the terminal meets a tight coupling condition, initiate a radio resource control connection request or a radio resource reconfiguration request to the base station of the first system.
  • the device further includes a stagnation module and a reselection module, wherein
  • the stagnation module is configured to: stop selecting and/or reselecting the first system to the second system according to the first indication information; or
  • the reselection module is configured to continue from the second system to the first according to the first indication information A system of selection and / or reselection operations.
  • the first receiving module is further configured to: receive connection configuration information sent by the base station of the first system.
  • the first sending module is further configured to report the service information of the service to be offloaded to the first system in the second system to the base station of the first system.
  • the stagnation module comprises a transfer system unit, a stop dispatch unit, and a stop measurement unit, wherein
  • the transfer system unit is configured to: initiate a new service from the first system
  • the stop dispatching unit is configured to: stop the first system from performing a detach detach operation
  • the stop measurement unit is configured to: stop the evaluation of the measurement and/or measurement events corresponding to the selection and/or reselection operation of the first system to the second system.
  • the reselection module includes a system relocation unit and an execution measurement unit, where
  • the system relocation unit is configured to: migrate the service being performed in the second system back to the first system;
  • the execution measurement unit is configured to perform an evaluation of the measurement and/or measurement event corresponding to the second system selection and/or reselection by the second system.
  • An apparatus for initiating an access request by a terminal is disposed on a base station side of a first system, and includes a second sending module and a second receiving module, where
  • the second sending module is configured to: send the first indication information to the terminal, where the first indication information is used to notify the terminal to initiate a wireless connection with the base station of the first system;
  • the second receiving module is configured to: receive a radio resource control connection request or a radio resource reconfiguration request fed back by the terminal.
  • the present invention has the following beneficial effects:
  • a method and device for a terminal to initiate an access request where a base station in a first system carries a finger requesting a specific idle state terminal to initiate a radio resource control connection request by using broadcast signaling
  • the idle state UE receives an indication in the broadcast signaling requesting to initiate a radio resource control connection request. It can be used when the cell chooses to reselect to the first system when the terminal and the second system maintain the service, and solves the problem that the UE with the service transmission can perform the tight coupling operation or the switching between the access networks controlled by the 3GPP network in time.
  • FIG. 1 is a flowchart of a method for a terminal to initiate an access request according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for a terminal to initiate an access request according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an apparatus for initiating an access request by a terminal according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of another apparatus for initiating an access request by a terminal according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a scenario in which a terminal initiates an access request according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of another scenario in which a terminal initiates an access request according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of a method for a terminal to initiate an access request according to Embodiment 1 of the present invention.
  • FIG. 8 is a flowchart of a method for a terminal to initiate an access request according to Embodiment 2 of the present invention.
  • FIG. 9 is a flowchart of a method for a terminal to initiate an access request according to Embodiment 3 of the present invention.
  • FIG. 10 is a flowchart of a method for a terminal to initiate an access request according to Embodiment 4 of the present invention.
  • an embodiment of the present invention provides a method for a terminal to initiate an access request, which is applied to a terminal side, and includes:
  • step S12 the method further includes:
  • the service information of the service to be offloaded to the first system in the second system is reported to the first system base station.
  • the selecting and/or reselecting operations of stopping the first system to the second system include one or more of the following:
  • the evaluation of the measurement and/or measurement events corresponding to the selection and/or reselection operations of the first system to the second system is stopped.
  • the selection and/or reselection operations that continue from the second system to the first system include one or more of the following:
  • An evaluation of the measurement and/or measurement events corresponding to the second system selection and/or reselection of the second system is performed.
  • the first indication information is received by the radio resource control RRC message in step S11.
  • the entry tight coupling condition includes one or more of the following:
  • a cell that enters the tightly coupled system by cell reselection According to a preset setting, a cell that enters the tightly coupled system by cell reselection
  • the amount of data that is not sent out of the buffer reaches a preset threshold
  • the ongoing business support in the second system is offloaded to the first system.
  • the first indication information includes one or more of the following:
  • the service information includes one or more of the following: access point name APN information, quality of service QoS information, and measurement information;
  • the QoS information includes: a guaranteed bit rate GBR and/or a maximum bit rate MBR and/or a quality of service scale value QCI;
  • the measurement information includes: a current average rate and/or current data cache information.
  • an embodiment of the present invention further provides a method for a terminal to initiate an access request, which is applied to a base station side of a first system, and includes:
  • S21 Send first indication information to the terminal, where the first indication information is used;
  • Step S22 further includes: connection configuration information sent to the terminal.
  • the first indication information is received by the radio resource control RRC message in step S21.
  • the RRC message is a system broadcast message or a dedicated RRC message.
  • the first indication information includes one or more of the following:
  • connection configuration information includes one or more of the following:
  • the third generation partner plans the switching configuration information between the access networks controlled by the 3GPP network;
  • an embodiment of the present invention further provides a device for initiating an access request by a terminal, which is configured on the terminal side, and includes:
  • the first receiving module is configured to: receive first indication information sent by the first system base station, where the first indication information is used to notify the terminal to initiate a wireless connection with the first system base station;
  • the first sending module is configured to: when determining that the terminal satisfies the tight coupling condition, initiate a radio resource control connection request or a radio resource reconfiguration request to the base station of the first system.
  • the device also includes:
  • a stagnation module configured to: stop selecting and/or reselecting the first system to the second system according to the first indication information; or
  • the reselection module is configured to: continue the selection and/or reselection operation from the second system to the first system according to the first indication information.
  • the first receiving module is further configured to: receive a connection configuration sent by the first system base station
  • the first sending module is further configured to report the service information of the service to be offloaded to the first system in the second system to the first system base station
  • the stagnation module comprises:
  • Transferring the system unit configured to: initiate a new service from the first system
  • Stop the dispatch unit set to: stop the first system to perform the detach detach operation
  • the measuring unit is stopped, arranged to: stop the evaluation of the measurement and/or measurement events corresponding to the selection and/or reselection operation of the first system to the second system.
  • the reselection module includes:
  • the system relocation unit is configured to: migrate the service being performed in the second system back to the first system;
  • the measuring unit is configured to: perform an evaluation of the measurement and/or measurement event corresponding to the second system to the first system selection and/or reselection.
  • a device for initiating an access request is disposed on a base station side of a first system, and includes:
  • the second sending module is configured to: send the first indication information to the terminal, where the first indication information is used to notify the terminal to initiate a wireless connection with the base station of the first system;
  • the second receiving module is configured to: receive a radio resource control connection request or a radio resource reconfiguration request fed back by the terminal.
  • the embodiments of the present invention can implement switching between access networks that do not cross base station, cross base station, and tightly coupled, and control, including:
  • the base station in the first system carries the first indication information by using an RRC message.
  • the idle state UE receives the first indication information in the RRC message, determines that it is a terminal that meets the tight coupling condition, and then initiates a radio resource control connection request or a radio resource reconfiguration request.
  • the above RRC message may be a system broadcast message or a dedicated RRC message.
  • the manner in which the specific terminal is decided is a combination of one or more of the following conditions:
  • a terminal having a service with the second system
  • a terminal having switching capability between access networks supporting 3GPP network control;
  • the ongoing service in the second system can be offloaded to the terminal in the first system.
  • the "first indication information in the RRC message received by the idle UE” may be one of the following indications:
  • the indication of the radio resource control connection request is initiated when the UE idle state that meets the preset condition is required, and the preset condition is specified in the protocol (refer to the judgment condition of the specific terminal).
  • the base station in the first system After receiving the wireless control connection request, the base station in the first system performs one of the following operations:
  • the UE When the UE has the service in the second system, the UE reports the service information currently being performed in the second system to the first network when the first system performs the access or after the access.
  • the service is a service that can be offloaded to the first network.
  • the service information includes at least one of the following attributes:
  • Measurement information of related services such as current average rate and/or current data buffering.
  • the UE obtains the first indication information from the cell system message in the first system, and the UE may also perform the following operations:
  • the UE stops the selection and/or reselection related operations from the first system to the second system according to the first indication information. However, if the UE has traffic in the second system at this time, the UE can still perform selection and/or reselection related operations from the second system to the first system.
  • the "stopping selection and/or reselection related operations from the first system to the second system" includes at least one of the following characteristics:
  • the UE's new service needs to be initiated from the first system
  • the UE cannot perform the detach operation in the first system due to the interoperation of the first system/second system;
  • selection and/or reselection related operations from the second system to the first system include the following characteristics At least one:
  • the UE may migrate the service being performed in the second system back to the first system;
  • the ongoing service in the second system is to support services that are offloaded to the first system. For example, if the UE is in the WLAN, the new service of the UE must be initiated on the LTE and the old service can only be moved back to the LTE from the WLAN.
  • the embodiment of the present invention is described by taking an LTE system and a WLAN as an example.
  • a UMTS Universal Mobile Telecommunications System
  • the technical solutions provided by the embodiments of the present invention are the same.
  • the UE is in a WLAN/LTE integrated base station, and both the UE and the integrated base station support the WLAN and WLAN tightly coupled WLAN offloading scheme. It is also used for scenarios where an ideal/non-ideal connection between a WLAN and a 3GPP network and a tight connection of a dual-connected small cell to a WLAN.
  • the terminal maintains a connection with AP1, and the cell selects reselection into LTE and AP2 to form a tightly coupled system, and moves from position 1 to location 2.
  • a process in which a terminal in a RAT2 (such as a 3GPP access network) and a RAT1 (such as a WLAN) tightly coupled system is notified by the RAT2 system to initiate a wireless access request is as shown in FIG. 7, and includes:
  • Step 101 The base station in the tightly coupled system adds a first indication information to the broadcast signaling.
  • Step 102 The idle UE receives the first indication information in the broadcast signaling, and determines that it is a specific terminal.
  • the terminal of this embodiment is a terminal that has tight coupling operation capability and has a service ongoing with the second system (WLAN system).
  • the UE obtains the first indication information from the cell system message in the first system, and the UE may also perform the following operations:
  • the UE stops the selection and/or reselection of the operation from the system 1 to the system 2 according to the first indication information. Work. However, if the UE has a service in the system 2 at this time (indicating that the UE has access in the first system but has data transmission with the second system), the UE can still perform the selection from the system 2 to the system 1. / or re-select the relevant operations.
  • Step 103 The specific idle state UE initiates a radio resource control connection request to the base station.
  • Step 104 The base station sends a WLAN measurement parameter to the terminal, where the WLAN measurement parameter includes at least one of the following: a WLAN measurement object parameter, and a WLAN measurement report configuration parameter.
  • the terminal maintains a connection with the AP1, and the cell selects reselection to enter the LTE and the AP2 to form a tightly coupled system, and moves from the location 1 to the location 2.
  • a process in which a terminal in a RAT2 (such as a 3GPP access network) and a RAT1 (such as a WLAN) tightly coupled system is notified by the RAT2 system to initiate a wireless access request is as shown in FIG. 8, and includes:
  • Step 201 The base station in the tightly coupled system adds an indication to the broadcast signaling.
  • the above indication requires a specific idle state terminal to initiate a wireless access request.
  • Step 202 The idle UE receives an indication that the radio signaling needs to initiate a radio resource control connection request in the broadcast signaling, and determines that it is a specific terminal.
  • the terminal in this embodiment is a terminal having the switching capability between the access networks supporting the 3GPP network control, and the terminal having the service in progress with the second system (the WLAN system), and the cell selection reselection immediately enters the tight coupling of the scene 1. system.
  • Step 203 The specific idle state UE initiates a radio resource control connection request to the base station.
  • the UE When the UE has the service in the second system, the UE reports the service information currently being performed in the second system to the first network when the first system performs the access or after the access.
  • Step 204 The base station sends a WLAN measurement parameter to the terminal, where the WLAN measurement parameter includes at least one of the following: a WLAN measurement object parameter, and a WLAN measurement report configuration parameter.
  • the terminal maintains a connection with the AP1, and the cell selects the reselection into the LTE and the AP2 to form a tightly coupled system, and moves from the location 1 to the location 2,
  • the RRC connection request process with the system 1 is completed first, and the connection state is entered.
  • the terminal in the RAT2 (such as the 3GPP access network) and the RAT1 (such as WLAN) tightly coupled system is notified by the RAT2 system to the specific UE, as shown in FIG. 9, and includes:
  • Step 301 The base station in the tightly coupled system adds an indication to the specific UE in the dedicated RRC signaling.
  • the terminal of this embodiment has a tight coupling operation capability, and the terminal manually sets a preferred tight coupling system.
  • Step 302 The UE receives the first indication information in the dedicated RRC signaling.
  • Step 303 The specific UE initiates a radio resource reconfiguration request to the base station.
  • Step 304 The base station sends a tightly coupled related configuration parameter to the terminal.
  • the related configuration parameters of the coupling include: the MAC address and BSSID of the AP2 of the WLAN, and the IP address of the user plane data of the base station.
  • the terminal maintains a connection with the AP1, and the cell selects reselection into the LTE and the AP2 to form a tightly coupled system, and moves from the location 2 to the location 3.
  • a process in which a terminal in a RAT2 (such as a 3GPP access network) and a RAT1 (such as a WLAN) tightly coupled system is notified by the RAT2 system to initiate a wireless access request is as shown in FIG. 10, and includes:
  • Step 401 The base station in the tightly coupled system adds an indication to the broadcast signaling; the foregoing indication requires that the specific idle state terminal initiates the wireless access request.
  • Step 402 The idle UE receives an indication in the broadcast signaling requesting to initiate a radio resource control connection request, and determines that it is a specific terminal.
  • the terminal in this embodiment has the capability of tight coupling operation, and self-determination with the terminal through a certain principle, for example, the amount of data that is not sent out by the buffer reaches a certain threshold.
  • Step 403 The specific idle state UE initiates a radio resource control connection request to the base station.
  • Step 404 The base station sends a tightly coupled related configuration parameter to the terminal.
  • the embodiment of the invention also discloses a computer program, including program instructions, when the program instruction When executed by the base station, the base station can perform the method of any of the foregoing terminals to initiate an access request.
  • the embodiment of the invention also discloses a carrier carrying the computer program.
  • the embodiment of the invention further discloses a computer program, comprising program instructions, when the program instruction is executed by the terminal, so that the terminal can perform the method for the above terminal to initiate an access request.
  • the embodiment of the invention also discloses a carrier carrying the computer program.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. Thus, the invention is not limited to any specific combination of hardware and software.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • each device/function module/functional unit in the above embodiment When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • a method and device for a terminal to initiate an access request a base in the first system
  • the station carries an indication that the specific idle state terminal initiates the radio resource control connection request through the broadcast signaling, and the idle state UE receives the indication in the broadcast signaling requesting to initiate the radio resource control connection request. It can be used when the cell chooses to reselect to the first system when the terminal and the second system maintain the service, and solves the problem that the UE with the service transmission can perform the tight coupling operation or the switching between the access networks controlled by the 3GPP network in time. Therefore, the present invention has strong industrial applicability.

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  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour qu'un terminal lance une requête d'accès. Le procédé est applicable à un côté terminal, et consiste à : recevoir des premières informations d'indication transmises par une station de base de système, les premières informations d'indication étant utilisées pour notifier au terminal de lancer une connexion radio à une station de base d'un premier système ; et lors de la détermination du fait que le terminal satisfait un critère pour entrer dans un couplage serré, lancer une requête de connexion de commande de ressource radio ou une requête de reconfiguration de ressource radio à la station de base du premier système. Ceci peut s'appliquer lorsque le terminal réalise une resélection au niveau du premier système dans une sélection de cellule tout en maintenant un service avec un second système, permettant ainsi à un équipement utilisateur (UE) ayant une transmission de service de réaliser une opération de couplage serré d'une manière opportune ou d'effectuer une commutation entre des réseaux d'accès commandés par un réseau de projet de partenariat de troisième génération (3GPP).
PCT/CN2016/079595 2015-08-18 2016-04-18 Procédé et dispositif pour qu'un terminal lance une requête d'accès Ceased WO2016180178A1 (fr)

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