WO2021109886A1 - 双连接锚点接入方法、装置、设备和存储介质 - Google Patents

双连接锚点接入方法、装置、设备和存储介质 Download PDF

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Publication number
WO2021109886A1
WO2021109886A1 PCT/CN2020/130781 CN2020130781W WO2021109886A1 WO 2021109886 A1 WO2021109886 A1 WO 2021109886A1 CN 2020130781 W CN2020130781 W CN 2020130781W WO 2021109886 A1 WO2021109886 A1 WO 2021109886A1
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WIPO (PCT)
Prior art keywords
dual
frequency
point
access
connection anchor
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PCT/CN2020/130781
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English (en)
French (fr)
Inventor
王军涛
辛胜利
闫鹏周
孙志远
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中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to JP2022533225A priority Critical patent/JP7412560B2/ja
Priority to EP20897446.9A priority patent/EP4072237A4/en
Publication of WO2021109886A1 publication Critical patent/WO2021109886A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • 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
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Definitions

  • This application relates to a wireless communication network, for example, to a dual-connection anchor point access method, device, equipment, and storage medium.
  • the R15 of the fifth generation of mobile communications (5th Generation, 5G) introduces Multi-Radio Dual Connectivity (MR-DC) dual-connection networking, which makes full use of the same standard or different standard access.
  • MR-DC Multi-Radio Dual Connectivity
  • Point wireless air interface resources which can increase the rate.
  • Terminals that support dual connectivity can connect to two Long Term Evolution (LTE)/New Radio (NR) base stations at the same time. It also allows both NR and NR. Establishing dual connections between them can increase the throughput of a single user.
  • LTE Long Term Evolution
  • NR New Radio
  • the master node configures a continuous carrier, or provides dual connectivity services for MR-DC capable user equipment (UE) on several continuous carrier frequencies. service.
  • UE MR-DC capable user equipment
  • the terminal capabilities are not distinguished during the access stage.
  • the UE reselects to the high-priority frequency cell based on the broadcast reselection priority, and then the network side reselects the radio resource management (RRM) according to the radio resource management (RRM).
  • RRM radio resource management
  • the strategy adjusts the residency of terminals with different capabilities. However, this process will cause UEs with different capabilities to migrate during the access process, which affects the experience of the UE during access and movement.
  • This application provides a dual-connect anchor point access method, device, device, and storage medium in view of the problem that UEs with different capabilities migrate during the access process and affect the experience of the UE during access and movement.
  • the embodiment of the application provides a dual-connection anchor point access method, including: receiving a dual-connection anchor point frequency indication; selecting a frequency point indicated by the dual-connection anchor point frequency point as the access frequency point; Access the network.
  • the embodiment of the application provides a dual-connection anchor point access method, including: broadcasting a dual-connection anchor point frequency indication; receiving an access request sent by a UE at a frequency indicated by the dual-connection anchor point frequency point; sending an access point to the UE Enter a response to enable the UE to access the network.
  • the embodiment of the application provides a dual-connection anchor point access device, including: a receiving module configured to receive dual-connection anchor point frequency indication; a selection module configured to select a frequency point indicated by the dual-connection anchor point frequency point as the connection Incoming frequency point; access module, set to connect to the network at the selected frequency point.
  • the embodiment of the application provides a dual-connection anchor point access device, including: a broadcasting module configured to broadcast a dual-connection anchor point frequency indication; a receiving module configured to receive a frequency point indicated by a UE at a dual-connection anchor point frequency point The sent access request; the sending module is set to send an access response to the UE so that the UE can access the network.
  • An embodiment of the present application provides a UE, including a processor and a memory, and the processor is configured to run program instructions stored in the memory to execute the above-mentioned dual connection anchor access method.
  • An embodiment of the present application provides an access point, including a processor and a memory, and the processor is configured to run program instructions stored in the memory to execute the above-mentioned dual connection anchor point access method.
  • the embodiment of the present application provides a computer-readable storage medium storing a computer program, and when the computer program is executed by a processor, the above-mentioned dual-connection anchor point access method is implemented.
  • FIG. 1 is a flowchart of a dual-connection anchor point access method provided by an embodiment
  • FIG. 2 is a flowchart of another dual-connection anchor point access method provided by an embodiment
  • FIG. 3 is a flowchart of another dual-connection anchor point access method provided by an embodiment
  • FIG. 4 is a flowchart of another dual-connection anchor point access method provided by an embodiment
  • FIG. 5 is an interaction flowchart of a dual-connection anchor point access method provided by an embodiment
  • FIG. 6 is a schematic diagram of a network connection for access according to the dual connection anchor point access method shown in FIG. 5;
  • FIG. 7 is an interaction flowchart of another dual-connection anchor point access method provided by an embodiment
  • FIG. 8 is a schematic diagram of a network connection for access according to the dual connection anchor point access method shown in FIG. 7;
  • FIG. 9 is an interaction flowchart of another dual-connection anchor point access method provided by an embodiment.
  • FIG. 10 is a schematic diagram of a network connection for access according to the dual connection anchor point access method shown in FIG. 9;
  • FIG. 11 is a schematic structural diagram of a dual-connection anchor point access device provided by an embodiment
  • FIG. 12 is a schematic structural diagram of another dual-connection anchor point access device provided by an embodiment
  • FIG. 13 is a schematic structural diagram of a UE provided by an embodiment
  • FIG. 14 is a schematic structural diagram of an access point provided by an embodiment.
  • the carrier frequency of the MN that supports the establishment of dual connections is called the anchor carrier frequency
  • the Universal Mobile Telecommunications System UMTS
  • EN-DC Universal Mobile Telecommunications System
  • the LTE anchor carrier frequency is an LTE carrier frequency that can establish an EN-DC dual connection with the UE.
  • the broadcast frequency priority strategy is for all UEs. Therefore, the MR-DC dual-connectivity terminal or ordinary UE-capable terminal staying strategy is the same.
  • the network RRM strategy requires ordinary UEs to migrate to non-anchor carrier frequencies, or dual-connectivity UEs to migrate to The anchor carrier frequency process, especially for the frequent migration of Long-Term Evolution (Voice over Long-Term Evolution, VOLTE) services, has a greater impact.
  • VOLTE Long-Term Evolution
  • the interoperability strategy is also extremely complicated.
  • Fig. 1 is a flow chart of a method for dual-connection anchor point access provided in an embodiment. As shown in Fig. 1, the method provided in this embodiment includes the following steps.
  • Step S1010 Receive a dual-connection anchor frequency point indication.
  • the dual-connection anchor point access method provided in this embodiment is applied to a terminal in a mobile communication network, and the terminal may also be referred to as a UE.
  • the UE in the embodiment of this application is a UE that supports dual connectivity.
  • the mobile communication network supports dual-connected UEs, and there are terminals that support dual-connectivity in the network, no matter which type of UE will first select the access frequency according to the frequency priority of the network broadcast, the UE that supports dual-connectivity will Migrate to an anchor carrier frequency according to the RRM strategy, and migrate UEs that do not support dual connectivity to a non-anchor carrier. But this will lead to frequent business migration and affect the use of users.
  • the MN in the network supporting dual connectivity will broadcast the dual connectivity anchor carrier frequency indication, and the UE located within the coverage of the MN will receive the dual connectivity anchor frequency indication.
  • the dual-connection anchor point frequency indication is used to indicate the anchor point carrier frequency dedicated to the dual-connection.
  • the dual-connection anchor point frequency indication may include one or more anchor point carrier frequencies.
  • the frequency indicated in the dual-connection anchor frequency indication may be an absolute radio frequency channel number (ARFCN) of at least one frequency, including E-ARFCN of LTE and NR-ARFCN of NR.
  • ARFCN absolute radio frequency channel number
  • step S1020 a frequency point indicated by the frequency point of the dual-connection anchor point is selected as the frequency point for access.
  • the frequency point indicated by the dual-connection anchor point frequency point will be selected as the frequency point with the highest priority for access, instead of the frequency point according to the network broadcast
  • the frequency point priority selects the frequency point to be accessed. Since the frequency points indicated in the dual-connection anchor point frequency indication are all frequency points that support dual-connection, when the UE selects a frequency point indicated by the dual-connection anchor point frequency point as the access frequency point, the dual-connection frequency point is supported.
  • the UE can directly access the network at the anchor carrier frequency, avoiding the process of dual-connected UE first accessing the network according to the general frequency priority and then migrating to the anchor carrier frequency, which improves the efficiency of dual-connected UE access to the network. Improve the user experience.
  • the dual-connection anchor frequency indication of the network broadcast may include one or more frequency points, and multiple frequency points may have the same priority or have different priorities. If multiple frequency points have different priorities, when the UE receives the dual-connection anchor frequency point indication, it can select a frequency point with the highest priority indicated by the dual-connection anchor point frequency point as the access frequency point. If multiple frequency points in the dual-connection anchor frequency point indication have the same priority, or the highest priority frequency point is multiple same frequency points, then the UE can select according to a preset rule.
  • Step S1030 access the network at the selected frequency point.
  • the process of the UE accessing the network may include: the UE sends a radio resource control (Radio Resource Control, RRC) connection establishment request to the MN, the UE receives the RRC connection establishment response sent by the MN, and establishes an RRC connection with the MN at the selected frequency point, and Send an RRC connection establishment complete response to the MN.
  • RRC Radio Resource Control
  • the MN sends a secondary node addition request to a secondary node (Secondary Node, SN), and the MN then receives a secondary node addition response sent by the SN.
  • the MN sends an RRC connection reconfiguration message to the UE.
  • the UE will learn the information of the added SN and establish a connection with the SN, and the UE will send an RRC connection reconfiguration complete response to the MN. In this way, the UE completes the access at the anchor point carrier frequency.
  • the UE can directly access the network at the anchor point carrier frequency, avoiding the process of frequency point migration.
  • receiving a dual-connection anchor point frequency indication may also include receiving a public land mobile network (Public Land Mobile Network, PLMN)-level dual-connection anchor point frequency indication.
  • PLMN-level dual-connection anchor point frequency indication includes Frequency indication of dual-link anchor points of different PLMNs.
  • the mobile communication network is constructed by multiple different operators, that is, the network shares multiple PLMN scenarios.
  • the networks constructed by different operators have different PLMNs, and the operators to which the UE belongs are also different. The operators expect the UE to access the frequency points provided by their own equipment to facilitate billing and management. Therefore, the network can broadcast PLMN-level dual-connection anchor frequency indications, that is, different PLMN networks broadcast dual-connection anchor frequency indications respectively.
  • the UE After receiving the PLMN-level dual-connection anchor frequency indication, the UE preferentially selects the frequency indicated in the dual-connection anchor frequency indication that is the same as that of its own PLMN. That is, a frequency band indicated by the dual-connection anchor frequency point of the UE's own PLMN is preferentially selected as the access frequency point.
  • PLMN-1 and PLMN-2 belong to different operators, PLMN-1 belongs to operator 1, and PLMN-2 belongs to operator 2.
  • the PLMN-1 operator broadcasts the home dual-connection anchor frequency indication, and the users of PLMN-1 are processed according to the home PLMN-1 dual-connection anchor frequency strategy.
  • the PLMN-2 operator broadcasts the home anchor frequency indication, and the PLMN-2 user handles it according to the home PLMN-2 dual-connection anchor frequency strategy.
  • the home dual-connection anchor frequency of PLMN-1 and PLMN-2 can be the same or different.
  • a frequency point indicated by the dual-connection anchor point frequency point is selected as the access frequency point, so as to connect to the selected frequency point.
  • Access to the network enables UEs supporting dual connectivity to directly access the anchor carrier frequency, avoiding the process of frequency migration for UEs supporting dual connectivity after accessing the network, and improving user experience.
  • the UE if the UE is a UE that supports dual connectivity, after receiving the dual connectivity anchor frequency point indication, the UE will select a frequency point indicated by the dual connectivity anchor point frequency point as the access frequency point .
  • the dual-connection anchor frequency indication is broadcast information. If the UE is a UE that does not support dual-connection, the dual-connection anchor frequency indication will still be received, and the UE will ignore the dual-connection anchor frequency indication at this time.
  • FIG. 2 is a flowchart of another dual-connection anchor point access method provided in an embodiment. As shown in FIG. 2, the method provided in this embodiment includes the following steps.
  • Step S2010 receiving the dual-connection anchor frequency indication and the SA or NSA priority indication.
  • the 5G network is divided into independent networking (Standalone, SA) and non-independent networking (Non-Standalone, NSA) two networking methods, and the UE in the 5G network also includes UEs that only support NSA, UEs that only support SA, and Support dual-mode UE of NSA and SA at the same time. Since the two networking modes of NSA and SA have different modes when passing anchor carrier frequencies, the network can broadcast SA or NSA priority indications at the same time when broadcasting dual-connection anchor frequency indications. The SA or NSA priority indication is used to instruct the UE to preferentially use SA or NSA to access the network.
  • step S2020 a frequency point indicated by the dual-connection anchor point frequency point is selected as the access frequency point.
  • the UE After the UE receives the dual-connection anchor point frequency indication, it selects a frequency point indicated by the dual-connection anchor point frequency point as the access frequency point, which is the same as step S1020.
  • step S2030 the UE's networking mode is selected according to the UE's networking capability and the SA or NSA priority indication.
  • the UE After the UE receives the SA or NSA priority indication, it decides to select the UE's networking mode according to the UE's own networking capability and the SA or NSA priority indication. If the UE only supports SA networking, then even if the SA or NSA priority indication is NSA networking priority, the UE cannot be networked according to the NSA mode, then the UE will network according to the SA mode, and the SA or NSA priority indication is SA networking Priority, the UE will network according to the SA mode.
  • the UE will network according to the NSA mode, and the SA or NSA priority indication is NSA networking Priority, the UE will network according to the NSA mode. If the UE is a UE that supports SA and NSA dual-module networks, then if the SA or NSA priority indication is NSA networking priority, the UE will be networked according to the NSA mode. If the SA or NSA priority indication is SA networking priority, then The UE will network according to the SA mode.
  • the network broadcast instructions provide an access method, and the terminal can still switch to an adaptive capability method according to the scene when it accesses the network.
  • Step S2040 at the selected frequency point, access the network in the selected networking mode.
  • the UE After the UE has selected the frequency band to be accessed and the networking mode, it can access the network in the selected networking mode at the access frequency point.
  • the UE In the case of NSA mode networking, the UE only needs to interact with the MN to complete the access process, as shown in step S1030.
  • the UE In the case of SA mode networking, the UE will interact with the MN and SN at the same time to realize the networking process.
  • FIG. 3 is a flowchart of another dual-connection anchor point access method provided in an embodiment. As shown in FIG. 3, the method provided in this embodiment includes the following steps.
  • Step S3010 broadcast the dual-connection anchor point frequency indication.
  • the dual-connection anchor point access method provided in this embodiment is applied to an access point in a mobile communication network, such as a base station or other form of access point.
  • the UE in the embodiment of the present application is an access point that supports dual connectivity. Since the MN transmits control information in the network, the MN broadcasts the dual connectivity anchor point frequency indication.
  • the mobile communication network supports dual-connected UEs, and there are terminals that support dual-connectivity in the network, no matter which type of UE will first select the access frequency according to the frequency priority of the network broadcast, the UE that supports dual-connectivity will Migrate to an anchor carrier frequency according to the RRM strategy, and migrate UEs that do not support dual connectivity to a non-anchor carrier. But this will lead to frequent business migration and affect the use of users.
  • the MN in the network supporting dual connectivity will broadcast the dual connectivity anchor carrier frequency indication, and the UE located within the coverage of the MN will receive the dual connectivity anchor frequency indication.
  • the dual-connection anchor point frequency indication is used to indicate the anchor point carrier frequency dedicated to the dual-connection.
  • the dual-connection anchor point frequency indication may include one or more anchor point carrier frequencies.
  • the frequency indicated in the dual-connection anchor frequency indication may be an absolute radio frequency channel number (Absolute Radio Frequency Channel Number, ARFCN) of at least one frequency.
  • the MN broadcasts the priorities of at least two dual-link anchor frequency indications and at least two dual-link anchor frequency indications.
  • the MN broadcasts dual-connection anchor frequency indications in all frequency layers. Because the terminal selects the cell according to the signal quality during the cell selection process for cell access, and there is no priority indication, the terminal may be stationed on all frequency layers. stay. All frequency layer broadcasts indicate the anchor point frequency layer, which can improve the probability of terminal anchor point selection.
  • Step S3020 Receive an access request sent by the UE at a frequency point indicated by the dual-connection anchor point frequency point.
  • the UE When the UE receives the dual-connection anchor point frequency indication, if the UE supports dual connections, it will select a frequency point indicated by the dual-connection anchor point frequency point as the access frequency point, instead of prioritizing the frequency point according to the network broadcast Select the frequency point of access. Since the frequency points indicated in the dual-connection anchor point frequency indication are all frequency points that support dual-connection, when the UE selects a frequency point indicated by the dual-connection anchor point frequency point as the access frequency point, the dual-connection frequency point is supported.
  • the UE can directly access the network at the anchor carrier frequency, avoiding the process of dual-connected UE first accessing the network according to the general frequency priority and then migrating to the anchor carrier frequency, which improves the efficiency of dual-connected UE access to the network. Improve the user experience.
  • the MN will receive the access request sent by the UE at a frequency indicated by the dual-connection anchor frequency.
  • the dual-connection anchor frequency indication of the network broadcast may include one or more frequency points, and multiple frequency points may have the same priority or have different priorities. If multiple frequency points have different priorities, when the UE receives the dual-connection anchor frequency point indication, it can select a frequency point with the highest priority indicated by the dual-connection anchor point frequency point as the access frequency point. That is, in a non-network sharing scenario, broadcast multiple dual-connection anchor point frequency indications and the priority of the multiple dual-connection anchor point frequency indications. If multiple frequency points in the dual-connection anchor frequency point indication have the same priority, or the highest priority frequency point is multiple same frequency points, then the UE can select according to a preset rule.
  • Step S3030 Send an access response to the UE to enable the UE to access the network.
  • the MN After receiving the access request sent by the UE, the MN will send an access response to the UE so that the UE can access the network.
  • the process of the UE accessing the network may include: the UE sends a radio resource control (Radio Resource Control, RRC) connection establishment request to the MN, the UE receives the RRC connection establishment response sent by the MN, and establishes an RRC connection with the MN at the selected frequency point, and Send an RRC connection establishment complete response to the MN.
  • RRC Radio Resource Control
  • the MN sends a secondary node addition request to a secondary node (Secondary Node, SN), and the MN then receives a secondary node addition response sent by the SN.
  • the MN sends an RRC connection reconfiguration message to the UE.
  • the UE will learn the information of the added SN and establish a connection with the SN, and the UE will send an RRC connection reconfiguration complete response to the MN. In this way, the UE completes the access at the anchor point carrier frequency.
  • the UE can directly access the network at the anchor point carrier frequency, avoiding the process of frequency point migration.
  • broadcasting the dual-connection anchor frequency indication may also include broadcasting the PLMN-level dual-connection anchor frequency indication, and the PLMN-level dual-connection anchor frequency indication includes the dual-connection anchor frequency indications of different PLMNs.
  • the mobile communication network is constructed by multiple different operators. The networks constructed by different operators have different PLMNs, and the operators to which the UE belongs are also different. Operators expect the UE to access the frequency provided by its own equipment to facilitate billing. And management. Therefore, the network can broadcast PLMN-level dual-connection anchor frequency indications, that is, different PLMN networks broadcast dual-connection anchor frequency indications respectively.
  • multiple dual-connection anchor point frequency indications and the priority of the multiple dual-connection anchor point frequency indications are broadcast.
  • the UE After the UE receives the PLMN-level dual-connection anchor point frequency indication, it preferentially selects the frequency indicated in the dual-connection anchor point frequency indication that is the same as its own PLMN, that is, preferentially selects the dual-connection anchor point frequency indication of the UE's own PLMN.
  • One of the frequency bands is used as the frequency point for access. For example: PLMN-1 and PLMN-2 belong to different operators, PLMN-1 belongs to operator 1, and PLMN-2 belongs to operator 2.
  • the PLMN-1 operator broadcasts the home dual-connection anchor frequency indication, and the users of PLMN-1 are processed according to the home PLMN-1 dual-connection anchor frequency strategy.
  • the PLMN-2 operator broadcasts the home anchor frequency indication, and the PLMN-2 user handles it according to the home PLMN-2 dual-connection anchor frequency strategy.
  • the home dual-connection anchor frequency of PLMN-1 and PLMN-2 can be the same or different.
  • the dual-connection anchor point access method provided in this embodiment broadcasts the dual-connection anchor point frequency indication, receives the access request sent by the user equipment UE at a frequency indicated by the dual-connection anchor point frequency point, and sends an access response to the UE In this way, the UE can access the network, so that the dual-connected UE can directly access the anchor carrier frequency, avoiding the frequency migration process for the dual-connected UE after accessing the network, and improving the user experience.
  • FIG. 4 is a flowchart of another dual-connection anchor point access method provided in an embodiment. As shown in FIG. 4, the method provided in this embodiment includes the following steps.
  • Step S4010 broadcast the priority indication of the independent networking SA or the non-independent networking NSA.
  • the 5G network is divided into two networking modes: SA and NSA, and the UEs in the 5G network also include UEs that only support NSA, UEs that only support SA, and dual-mode UEs that support both NSA and SA. Since the two networking modes of NSA and SA have different modes when passing anchor carrier frequencies, the network can broadcast SA or NSA priority indications at the same time when broadcasting dual-connection anchor frequency indications.
  • the SA or NSA priority indication is used to instruct the UE to preferentially use SA or NSA to access the network.
  • Step S4020 Receive a frequency point indicated by the UE at the dual-connection anchor point frequency point, and select an access request sent by the UE's networking mode according to the UE's networking capability and the SA or NSA priority indication.
  • the UE After receiving the dual-connection anchor frequency point indication, the UE selects a frequency point indicated by the dual-connection anchor point frequency point as the access frequency point. After the UE receives the SA or NSA priority indication, it needs to jointly determine and select the UE's networking mode according to the UE's own networking capability and the SA or NSA priority indication. If the UE only supports SA networking, then even if the SA or NSA priority indication is NSA networking priority, the UE cannot be networked according to the NSA mode, then the UE will network according to the SA mode, and the SA or NSA priority indication is SA networking Priority, the UE will network according to the SA mode.
  • the UE If the UE only supports NSA networking, then even if the SA or NSA priority indication is SA networking priority, the UE cannot network according to the SA mode, then the UE will network according to the NSA mode, and the SA or NSA priority indication is NSA networking Priority, the UE will network according to the NSA mode. If the UE is a UE that supports SA and NSA dual-module networks, then if the SA or NSA priority indication is NSA networking priority, the UE will be networked according to the NSA mode. If the SA or NSA priority indication is SA networking priority, then The UE will network according to the SA mode.
  • the MN will receive the access request sent by the UE on a frequency point indicated by the dual-connection anchor point frequency point according to the UE's networking capability and the SA or NSA priority indication to select the UE's networking mode.
  • Step S4030 Send an access response to the UE at the access frequency point, so that the UE accesses the network in the selected networking mode.
  • the UE After the UE has selected the frequency band to be accessed and the networking mode, it can access the network in the selected networking mode at the access frequency point.
  • the UE In the case of NSA mode networking, the UE only needs to interact with the MN to complete the access process, as shown in step S3030.
  • the UE In the case of SA mode networking, the UE will interact with the MN and SN at the same time to realize the networking process.
  • Fig. 5 is an interaction flow chart of a method for dual-connection anchor point access provided in an embodiment. As shown in Fig. 5, the method provided in this embodiment includes the following steps.
  • Step S5010 the MN broadcasts the dual-connection anchor frequency indication.
  • step S5020 the UE selects an anchor frequency point.
  • Step S5030 the UE sends an RRC connection establishment request.
  • Step S5040 the MN sends an RRC connection establishment response.
  • Step S5050 the UE sends an RRC connection establishment completion response.
  • step S5060 the MN sends a request for adding a secondary node to the SN.
  • step S5070 the SN sends a secondary node addition response to the MN.
  • Step S5080 the MN sends an RRC connection reconfiguration request to the UE.
  • Step S5090 The UE sends an RRC connection reconfiguration complete response to the MN.
  • the UE is a UE that supports dual connectivity, and the UE is an NSA capable UE.
  • the dual-connectivity UE reselects the anchor-frequency-layer cell to do business directly according to the instructions of the anchor-frequency layer on the network side, and enjoys dual-connection services as soon as possible.
  • the priority of the non-anchor frequency layer in the system broadcast priority is low, ordinary terminals (non-dual connectivity capable terminals) reside in the non-anchor frequency layer according to the broadcast priority, thus avoiding non-dual connectivity capable terminals in the anchor frequency layer and Non-anchor frequency layers are repeatedly migrated to reduce the impact of service interruption.
  • the CN in the figure stands for Core Network (Core Network).
  • FIG. 6 is a schematic diagram of a network connection for access according to the dual connection anchor point access method shown in FIG. 5.
  • the cell (Cell) 11 is the anchor frequency point.
  • Non-NSA UE means a UE that does not support dual connectivity.
  • FIG. 7 is an interaction flowchart of another dual-connection anchor point access method provided in an embodiment. As shown in FIG. 7, the method provided in this embodiment includes the following steps.
  • step S7010 the MN broadcasts an independent networking priority indication and a dual-connection anchor frequency point indication.
  • Step S7020 the SN broadcasts an independent networking priority indication and a dual-connection anchor frequency point indication.
  • step S7030 the UE supporting the SA networking interacts with the MN according to the SA networking mode.
  • step S7040 the UE supporting the SA networking interacts with the SN according to the SA networking mode.
  • step S7030 or step S7040 can be selected, and the UE can choose to access in MN or SN.
  • Step S7050 random access procedure. It is the same as step S5030-step S5090.
  • Step S7010-Step S7050 is a flowchart of a UE supporting SA networking to access the network according to the SA networking mode.
  • step S7060 the MN broadcasts the non-independent networking priority indication and the dual-connection anchor frequency indication.
  • step S7070 the UE selects an anchor frequency point.
  • Step S7080 random access procedure. It is the same as step S5030-step S5090.
  • Step S7060-Step S7080 is a flowchart of the UE supporting NSA networking accessing the network according to the NSA networking mode.
  • the network indicates that SA is prioritized, and the dual-mode terminal performs camping selection according to the SA capability.
  • the network indicates that NSA is prioritized, and the dual-mode terminal performs camping selection according to NSA capabilities. Other terminals are executed according to the original residency strategy.
  • FIG. 8 is a schematic diagram of a network connection for access according to the dual connection anchor point access method shown in FIG. 7.
  • the cell (Cell) 11 is the anchor frequency point.
  • Non-NSA UE means a UE that does not support dual connectivity.
  • FIG. 9 is an interaction flowchart of another dual-connection anchor point access method provided in an embodiment. As shown in FIG. 9, the method provided in this embodiment includes the following steps.
  • Step S9010 the MN broadcasts the PLMN-level dual-connection anchor point frequency indication.
  • Step S9020 the UE selects an anchor frequency point.
  • Step S9030 the UE sends an RRC connection establishment request.
  • Step S9040 the MN sends an RRC connection establishment response.
  • Step S9050 the UE sends an RRC connection establishment completion response.
  • step S9060 the MN delivers the anchor point frequency selection information to the CN to which the UE belongs.
  • step S9070 the MN sends a request for adding a secondary node to the SN.
  • Step S9080 the SN sends a secondary node addition response to the MN.
  • Step S9090 the MN sends an RRC connection reconfiguration request to the UE.
  • Step S9100 the UE sends an RRC connection reconfiguration complete response to the MN.
  • the dual-connectivity UE reselects the anchor-frequency-layer cell of the home PLMN to do business directly according to the network-side PLMN-level anchor frequency layer instruction, and enjoy the dual-connection service as soon as possible.
  • the priority of the non-anchor frequency layer in the system broadcast priority is low
  • ordinary terminals reside in the non-anchor frequency layer according to the broadcast priority, thus avoiding non-dual connectivity capable terminals at anchor and non-anchor
  • the point frequency layer is repeatedly migrated to reduce the impact of business interruption.
  • FIG. 10 is a schematic diagram of network connection for access according to the dual-connection anchor point access method shown in FIG. 9.
  • the cell (Cell) 11 is the anchor frequency point.
  • Non-NSA UE means a UE that does not support dual connectivity.
  • FIG. 11 is a schematic structural diagram of a dual-connection anchor point access device provided by an embodiment.
  • the dual-connection anchor point access device provided in this embodiment includes: a receiving module 111, a selection module 112, and a connection ⁇ module 113.
  • the receiving module 111 is set to receive the frequency point indication of the dual-connection anchor point; the selection module 112 is set to select a frequency point indicated by the dual-link anchor point frequency point as the frequency point to be accessed; the access module 113 is set to be in the selected frequency point. Frequency point access to the network.
  • the dual connection anchor point access device provided in this embodiment is used to implement the dual connection anchor point access method of the embodiment shown in FIG. 1.
  • the implementation principle and technical effect of the dual connection anchor point access device provided in this embodiment are similar. I won't repeat it here.
  • FIG. 12 is a schematic structural diagram of another dual-connection anchor point access device provided by an embodiment.
  • the dual-connection anchor point access device provided in this embodiment includes: a broadcasting module 121, a receiving module 122, and Sending module 123.
  • the broadcasting module 121 is set to broadcast the dual-connection anchor point frequency indication; the receiving module 122 is set to receive the access request sent by the UE at a frequency indicated by the dual-connection anchor point frequency point; the sending module 123 is set to send to the UE Access response to enable the UE to access the network.
  • the dual connection anchor point access device provided in this embodiment is used to implement the dual connection anchor point access method of the embodiment shown in FIG. 3.
  • the implementation principle and technical effect of the dual connection anchor point access device provided in this embodiment are similar. I won't repeat it here.
  • FIG. 13 is a schematic structural diagram of a UE provided by an embodiment.
  • the UE includes a processor 131, a memory 132, a transmitter 133, and a receiver 134; the number of processors 131 in the UE may be one or There are multiple.
  • One processor 131 is taken as an example in FIG. 13; the processor 131 and the memory 132, the transmitter 133 and the receiver 134 in the UE may be connected through a bus or other methods. In FIG. 13, the connection through a bus is taken as an example.
  • the memory 132 can be configured to store software programs, computer-executable programs, and modules, such as the program instructions/modules corresponding to the dual connection anchor point access method in the embodiment of FIG. 1 to FIG. 2 of this application (For example, the receiving module 111, the selection module 112, and the access module 113 in the dual connection anchor point access device).
  • the processor 131 executes the software programs, instructions, and modules stored in the memory 132 to complete at least one functional application and data processing of the UE, that is, to implement the aforementioned dual-connection anchor access method.
  • the memory 132 may include a storage program area and a storage data area.
  • the storage program area may store an operating system and an application program required by at least one function; the storage data area may store data created according to the use of the UE, and the like.
  • the memory 132 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the transmitter 133 is a module or a combination of devices capable of transmitting radio frequency signals into space, for example, a combination of radio frequency transmitters, antennas, and other devices.
  • the receiver 134 is a module or a combination of devices capable of receiving radio frequency signals from space, for example, a combination of radio frequency receivers, antennas, and other devices.
  • FIG. 14 is a schematic structural diagram of an access point provided by an embodiment.
  • the access point includes a processor 141, a memory 142, a transmitter 143, and a receiver 144; the processor 141 in the access point
  • the number can be one or more.
  • one processor 141 is taken as an example; the processor 141 and the memory 142, the transmitter 143 and the receiver 144 in the access point can be connected by a bus or other means, as shown in Fig. 14 Take the bus connection as an example.
  • the memory 142 can be configured to store software programs, computer-executable programs, and modules, such as the program instructions/modules corresponding to the dual connection anchor point access method in the embodiment of FIG. 3 to FIG. 4 of this application (For example, the broadcasting module 121, the receiving module 122, and the sending module 123 in the dual-connection anchor point access device).
  • the processor 141 executes the software programs, instructions, and modules stored in the memory 142 to complete at least one functional application and data processing of the access point, that is, to implement the above-mentioned dual-connection anchor point access method.
  • the memory 142 may include a program storage area and a data storage area.
  • the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the access point, and the like.
  • the memory 142 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the transmitter 143 is a module or a combination of devices capable of transmitting radio frequency signals into space, for example, a combination of radio frequency transmitters, antennas, and other devices.
  • the receiver 144 is a module or a combination of devices capable of receiving radio frequency signals from space, for example, a combination of radio frequency receivers, antennas, and other devices.
  • An embodiment of the present application also provides a storage medium containing computer-executable instructions.
  • the computer-executable instructions are executed by a computer processor, they are used to execute a dual-connectivity anchor point access method, the method comprising: receiving a dual-connectivity anchor point Frequency point indication; select a frequency point indicated by the dual-connection anchor point frequency point as the access frequency point; access the network at the selected frequency point.
  • An embodiment of the present application also provides a storage medium containing computer-executable instructions.
  • the computer-executable instructions are executed by a computer processor, they are used to execute a dual-connectivity anchor access method.
  • the method includes: broadcasting a dual-connectivity anchor Frequency indication; receiving the access request sent by the UE at a frequency indicated by the dual-connection anchor frequency point; sending an access response to the UE so that the UE can access the network.
  • the user terminal covers any suitable type of wireless user equipment, such as a mobile phone, a portable data processing device, a portable web browser, or a vehicle-mounted mobile station.
  • wireless user equipment such as a mobile phone, a portable data processing device, a portable web browser, or a vehicle-mounted mobile station.
  • Computer program instructions can be assembly instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine-related instructions, microcode, firmware instructions, state setting data, or written in any combination of one or more programming languages Source code or object code.
  • ISA Instruction Set Architecture
  • the block diagram of any logic flow in the drawings of the present application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions.
  • the computer program can be stored on the memory.
  • the memory can be of any type suitable for the local technical environment and can be implemented using any suitable data storage technology, such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), optical memory devices, and System (Digital Video Disc (DVD) or Compact Disc (CD)), etc.
  • Computer-readable media may include non-transitory storage media.
  • the data processor can be any type suitable for the local technical environment, such as general-purpose computers, special-purpose computers, microprocessors, digital signal processors (DSP), application specific integrated circuits (ASICs), and Programmable logic devices (Field-Programmable Gate Array, FPGA) and processors based on multi-core processor architecture.
  • DSP digital signal processors
  • ASICs application specific integrated circuits
  • FPGA Programmable logic devices

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Abstract

本申请提供一种双连接锚点接入方法、装置、设备和存储介质，其中，双连接锚点接入方法，包括：接收双连接锚点频点指示，选择双连接锚点频点指示的一个频点作为接入的频点，在选择的频点接入网络。双连接锚点接入方法，还包括：广播双连接锚点频点指示，接收用户设备UE在所述双连接锚点频点指示的一个频点发送的接入请求，向所述UE发送接入响应，以使所述UE接入网络。

Description

双连接锚点接入方法、装置、设备和存储介质
本申请要求在2019年12月02日提交中国专利局、申请号为201911212692.5的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及无线通信网络，例如涉及一种双连接锚点接入方法、装置、设备和存储介质。
背景技术
第五代移动通信(5th Generation，5G)的R15引入了多射频技术双连接(Multi-Radio Dual Connectivity，MR-DC)双连接组网，双连接组网技术充分利用同制式或不同制式接入点的无线空口资源，从而能够提高速率。利用宏/微组网提高频谱效率和负载平衡，支持双连接的终端可以同时连接两个长期演进(Long Term Evolution，LTE)/新无线电(New Radio，NR)基站，同时也允许NR和NR之间建立双连接，能够增加单用户的吞吐量。
运营商在网络中会配置多个载频，主节点(Master Node，MN)配置一个连续载波，或者几个连续覆盖载频上对MR-DC能力用户设备(User Equipment，UE)提供双连接业务服务。多载频网络中，接入阶段不区分终端能力，UE根据广播重选优先级，优先重选到高级优先级频点小区接入，然后网络侧再根据无线资源管理(Radio Resource Management，RRM)策略调整不同能力的终端的驻留。但此过程中会导致不同能力UE在接入过程中进行迁移，影响UE接入和移动过程中的体验。
发明内容
本申请针对不同能力UE在接入过程中进行迁移，影响UE接入和移动过程中的体验的问题，提供一种双连接锚点接入方法、装置、设备和存储介质。
本申请实施例提供一种双连接锚点接入方法，包括：接收双连接锚点频点指示；选择双连接锚点频点指示的一个频点作为接入的频点；在选择的频点接入网络。
本申请实施例提供一种双连接锚点接入方法，包括：广播双连接锚点频点指示；接收UE在双连接锚点频点指示的一个频点发送的接入请求；向UE发送接入响应，以使UE接入网络。
本申请实施例提供一种双连接锚点接入装置，包括：接收模块，设置为接收双连接锚点频点指示；选择模块，设置为选择双连接锚点频点指示的一个频点作为接入的频点；接入模块，设置为在选择的频点接入网络。
本申请实施例提供一种双连接锚点接入装置，包括：广播模块，设置为广播双连接锚点频点指示；接收模块，设置为接收UE在双连接锚点频点指示的一个频点发送的接入请求；发送模块，设置为向UE发送接入响应，以使UE接入网络。
本申请实施例提供一种UE，包括处理器和存储器，处理器设置为运行储存在存储器里的程序指令以执行上述的双连接锚点接入方法。
本申请实施例提供一种接入点，包括处理器和存储器，处理器设置为运行储存在存储器里的程序指令以执行上述的双连接锚点接入方法。
本申请实施例提供一种计算机可读存储介质，存储有计算机程序，该计算机程序被处理器执行时实现上述的双连接锚点接入方法。
附图说明
图1为一实施例提供的一种双连接锚点接入方法的流程图；
图2为一实施例提供的另一种双连接锚点接入方法的流程图；
图3为一实施例提供的另一种双连接锚点接入方法的流程图；
图4为一实施例提供的另一种双连接锚点接入方法的流程图；
图5为一实施例提供的一种双连接锚点接入方法的交互流程图；
图6为根据图5所示双连接锚点接入方法进行接入的网络连接示意图；
图7为一实施例提供的另一种双连接锚点接入方法的交互流程图；
图8为根据图7所示双连接锚点接入方法进行接入的网络连接示意图；
图9为一实施例提供的另一种双连接锚点接入方法的交互流程图；
图10为根据图9所示双连接锚点接入方法进行接入的网络连接示意图；
图11为一实施例提供的一种双连接锚点接入装置的结构示意图；
图12为一实施例提供的另一种双连接锚点接入装置的结构示意图；
图13为一实施例提供的一种UE的结构示意图；
图14为一实施例提供的一种接入点的结构示意图。
具体实施方式
下文中将结合附图对本申请的实施例进行说明。
支持建立双连接的MN的载频叫锚点载频，以通用移动通信系统(Universal Mobile Telecommunications System，UMTS)演进陆地无线接入网-新无线电双连接(EUTRAN NR-Dual Connectivity，EN-DC)为例，LTE锚点载频就是可以和UE建立EN-DC双连接的LTE载频。广播频点优先级策略针对所有UE，因此MR-DC双连接能力终端或者普通UE能力终端驻留策略一致，网络RRM策略要普通UE迁移到非锚点载频，或者把双连接能力UE迁移到锚点载频过程，尤其对于长期演进语音承载(Voice over Long-Term Evolution，VOLTE)业务频繁迁移，影响较大。同时在双连接过程中主辅节点的网络共享中，互操作策略也极其复杂。
图1为一实施例提供的一种双连接锚点接入方法的流程图，如图1所示，本实施例提供的方法包括如下步骤。
步骤S1010，接收双连接锚点频点指示。
本实施例提供的双连接锚点接入方法应用于移动通信网络中的终端，终端也可以称为UE。本申请实施例中的UE为支持双连接的UE。当移动通信网络支持双连接的UE，且网络中也存在支持双连接的终端时，无论哪种UE都会先根据网络广播的频点优先级选择接入的频点，支持双连接的UE会再根据RRM策略迁移到锚点载频，并将不支持双连接的UE迁移到非锚点载波。但这样将导致业务的频繁迁移，影响用户的使用。
因此在本申请实施例中，支持双连接的网络中的MN将广播双连接锚点载频指示，位于该MN覆盖范围内的UE将接收到双连接锚点频点指示。双连接锚点频点指示用于指示专门用于双连接的锚点载频。双连接锚点频点指示可以包括一个或多个锚点载频的频点。双连接锚点频点指示中指示的频点可以为至少一个频点的绝对无线频道编号(Absolute Radio Frequency Channel Number，ARFCN)，包括LTE的E-ARFCN和NR的NR-ARFCN。
步骤S1020，选择双连接锚点频点指示的一个频点作为接入的频点。
当UE接收到双连接锚点频点指示后，若UE支持双连接，那么将选择双连接锚点频点指示的一个频点作为最高优先级接入的频点，而不再根据网络广播的频点优先级选择接入的频点。由于双连接锚点频点指示中指示的频点均为支持双连接的频点，因此当UE选择了双连接锚点频点指示的一个频点作为接入的 频点后，支持双连接的UE将可以直接在锚点载频接入网络，避免双连接UE先根据一般的频点优先级接入网络后再迁移到锚点载频的过程，提高了双连接UE接入网络的效率，提高了用户的使用体验。
网络广播的双连接锚点频点指示中可能包括一个或多个频点，而多个频点可以具有相同的优先级或者具有不同的优先级。若多个频点具有不同的优先级，那么当UE接收到双连接锚点频点指示后，可以选择双连接锚点频点指示的一个最高优先级的频点作为接入的频点。若双连接锚点频点指示中的多个频点的优先级相同，或者最高优先级的频点为多个相同的频点，那么UE可以按照预设规则进行选择。
步骤S1030，在选择的频点接入网络。
UE选择了双连接锚点频点指示的一个频点作为接入的频点之后，即可在选择的频点接入网络。UE接入网络的过程可以包括，UE向MN发送无线资源控制(Radio Resource Control，RRC)连接建立请求，UE接收MN发送的RRC连接建立响应，从而与MN在选择的频点建立RRC连接，并向MN发送RRC连接建立完成响应。MN向辅节点(Secondary Node，SN)发送辅节点添加请求，MN再接收SN发送的辅节点添加响应。MN向UE发送RRC连接重配消息，UE将获知添加的SN的信息并与SN建立连接，UE向MN发送RRC连接重配完成响应。这样UE就完成了在锚点载频的接入，通过接收双连接锚点频点指示，UE能够直接在锚点载频接入网络，避免进行频点迁移的过程。
在一实施例中，接收双连接锚点频点指示，还可以包括接收公共陆地移动网(Public Land Mobile Network，PLMN)级双连接锚点频点指示，PLMN级双连接锚点频点指示包括不同PLMN的双连接锚点频点指示。移动通信网络由多个不同的运营商进行建设，即网络共享多PLMN场景。不同运营商建设的网络的PLMN不同，UE所归属的运营商也不同，运营商期望UE接入自身的设备提供的频点，从而便于计费以及管理。因此网络可以广播PLMN级双连接锚点频点指示，也就是不同PLMN的网络分别广播双连接锚点频点指示。UE接收到PLMN级双连接锚点频点指示后，优先选择与自身PLMN相同的双连接锚点频点指示中指示的频点。也就是优先选择UE自身归属PLMN的双连接锚点频点指示的一个频段作为接入的频点。例如：PLMN-1和PLMN-2归属不同运营商，PLMN-1属于运营商1，PLMN-2属于运营商2。PLMN-1运营商广播归属的双连接锚点频点指示，PLMN-1的用户根据归属的PLMN-1的双连接锚点频点策略处理。PLMN-2运营商广播归属的锚点频点指示，PLMN-2的用户根据归属的PLMN-2的双连接锚点频点策略处理。PLMN-1和PLMN-2的归属双连接锚点频点可以相同，也可以不同。
本实施例提供的双连接锚点接入方法，在接收双连接锚点频点指示后，选择双连接锚点频点指示的一个频点作为接入的频点，从而在选择的频点接入网络，使得支持双连接的UE能够直接接入锚点载频，避免支持双连接的UE在接入网络后再进行频点迁移的过程，提高了用户的使用体验。
图1所示实施例中，若UE为支持双连接的UE，那么UE在接收到双连接锚点频点指示后，将选择双连接锚点频点指示的一个频点作为接入的频点。而双连接锚点频点指示为广播信息，若UE为不支持双连接的UE，那么仍然会接收到双连接锚点频点指示，此时UE将忽略双连接锚点频点指示。
图2为一实施例提供的另一种双连接锚点接入方法的流程图，如图2所示，本实施例提供的方法包括如下步骤。
步骤S2010，接收双连接锚点频点指示以及SA或NSA优先指示。
5G网络分为独立组网(Standalone，SA)和非独立组网(Non-Standalone，NSA)两种组网方式，且5G网络中的UE也包括仅支持NSA的UE、仅支持SA的UE和同时支持NSA和SA的双模UE。由于NSA和SA两种组网方式在通过锚点载频时的方式不同，因此网络在广播双连接锚点频点指示时，可以同时广播SA或NSA优先指示。SA或NSA优先指示用于指示UE优先使用SA或NSA方式接入网络。
步骤S2020，选择双连接锚点频点指示的一个频点作为接入的频点。
UE接收到双连接锚点频点指示后，选择双连接锚点频点指示的一个频点作为接入的频点，这与步骤S1020相同。
步骤S2030，根据UE组网能力以及SA或NSA优先指示选择UE的组网模式。
UE在接收SA或NSA优先指示后，根据UE自身的组网能力以及SA或NSA优先指示共同判断选择UE的组网模式。UE若仅支持SA组网，那么即使SA或NSA优先指示为NSA组网优先，则UE无法按照NSA模式组网，那么UE将按照SA模式进行组网，而SA或NSA优先指示为SA组网优先，则UE将按照SA模式进行组网。UE若仅支持NSA组网，那么即使SA或NSA优先指示为SA组网优先，则UE无法按照SA模式组网，那么UE将按照NSA模式进行组网，而SA或NSA优先指示为NSA组网优先，则UE将按照NSA模式进行组网。UE若为支持SA和NSA双模组网的UE，那么若SA或NSA优先指示为NSA组网优先，则UE将按照NSA模式进行组网，若SA或NSA优先指示为SA组网优先，则UE将按照SA模式进行组网。对于NSA和SA双模组网终端，网络广播指示提供一种接入方式，终端接入网络还是可以根据场景切换 到适应的能力方式。
步骤S2040，在选择的频点，以选择的组网模式接入网络。
在UE选择了接入的频段，以及组网模式后，即可在接入的频点，以选择的组网模式接入网络。在NSA模式组网的情况下，UE仅需与MN进行交互，完成接入过程，如步骤S1030所示。在SA模式组网的情况下，UE将同时与MN和SN进行交互，实现组网的过程。
图3为一实施例提供的另一种双连接锚点接入方法的流程图，如图3所示，本实施例提供的方法包括如下步骤。
步骤S3010，广播双连接锚点频点指示。
本实施例提供的双连接锚点接入方法应用于移动通信网络中的接入点，例如基站或其他形式的接入点。本申请实施例中的UE为支持双连接的接入点，由于在网络中MN进行控制信息的发送，因此由MN广播双连接锚点频点指示。当移动通信网络支持双连接的UE，且网络中也存在支持双连接的终端时，无论哪种UE都会先根据网络广播的频点优先级选择接入的频点，支持双连接的UE会再根据RRM策略迁移到锚点载频，并将不支持双连接的UE迁移到非锚点载波。但这样将导致业务的频繁迁移，影响用户的使用。
因此在本申请实施例中，支持双连接的网络中的MN将广播双连接锚点载频指示，位于该MN覆盖范围内的UE将接收到双连接锚点频点指示。双连接锚点频点指示用于指示专门用于双连接的锚点载频。双连接锚点频点指示可以包括一个或多个锚点载频的频点。双连接锚点频点指示中指示的频点可以为至少一个频点的绝对无线频道编号(Absolute Radio Frequency Channel Number，ARFCN)。
在一实施例中，MN广播至少两个双连接锚点频点指示和至少两个双连接锚点频点指示的优先级。
在一实施例中，MN在所有频率层广播双连接锚点频点指示，因为终端在小区接入的小区选择过程中是按照信号质量选择，无优先级指示，终端有可能在所有频层驻留。所有频层广播指示锚点频层，可以提高终端锚点选择概率。
步骤S3020，接收UE在双连接锚点频点指示的一个频点发送的接入请求。
当UE接收到双连接锚点频点指示后，若UE支持双连接，那么将选择双连接锚点频点指示的一个频点作为接入的频点，而不再根据网络广播的频点优先级选择接入的频点。由于双连接锚点频点指示中指示的频点均为支持双连接的频点，因此当UE选择了双连接锚点频点指示的一个频点作为接入的频点后，支持双连接的UE将可以直接在锚点载频接入网络，避免双连接UE先根据一般的 频点优先级接入网络后再迁移到锚点载频的过程，提高了双连接UE接入网络的效率，提高了用户的使用体验。MN将接收UE在双连接锚点频点指示的一个频点发送的接入请求。
网络广播的双连接锚点频点指示中可能包括一个或多个频点，而多个频点可以具有相同的优先级或者具有不同的优先级。若多个频点具有不同的优先级，那么当UE接收到双连接锚点频点指示后，可以选择双连接锚点频点指示的一个最高优先级的频点作为接入的频点。也即在非网络共享场景下，广播多个双连接锚点频点指示和所述多个双连接锚点频点指示的优先级。若双连接锚点频点指示中的多个频点的优先级相同，或者最高优先级的频点为多个相同的频点，那么UE可以按照预设规则进行选择。
步骤S3030，向UE发送接入响应，以使UE接入网络。
MN接收到UE发送的接入请求后，将向UE发送接入响应，以使UE接入网络。UE接入网络的过程可以包括，UE向MN发送无线资源控制(Radio Resource Control，RRC)连接建立请求，UE接收MN发送的RRC连接建立响应，从而与MN在选择的频点建立RRC连接，并向MN发送RRC连接建立完成响应。MN向辅节点(Secondary Node，SN)发送辅节点添加请求，MN再接收SN发送的辅节点添加响应。MN向UE发送RRC连接重配消息，UE将获知添加的SN的信息并与SN建立连接，UE向MN发送RRC连接重配完成响应。这样UE就完成了在锚点载频的接入，通过接收双连接锚点频点指示，UE能够直接在锚点载频接入网络，避免进行频点迁移的过程。
在一实施例中，广播双连接锚点频点指示，还可以包括广播PLMN级双连接锚点频点指示，PLMN级双连接锚点频点指示包括不同PLMN的双连接锚点频点指示。移动通信网络由多个不同的运营商进行建设，不同运营商建设的网络的PLMN不同，UE所归属的运营商也不同，运营商期望UE接入自身的设备提供的频点，从而便于计费以及管理。因此网络可以广播PLMN级双连接锚点频点指示，也就是不同PLMN的网络分别广播双连接锚点频点指示。也即在网络共享多PLMN场景下，广播多个双连接锚点频点指示和所述多个双连接锚点频点指示的优先级。UE接收到PLMN级双连接锚点频点指示后，优先选择与自身PLMN相同的双连接锚点频点指示中指示的频点，也就是优先选择UE自身归属PLMN的双连接锚点频点指示的一个频段作为接入的频点。例如：PLMN-1和PLMN-2归属不同运营商，PLMN-1属于运营商1，PLMN-2属于运营商2。PLMN-1运营商广播归属的双连接锚点频点指示，PLMN-1的用户根据归属的PLMN-1的双连接锚点频点策略处理。PLMN-2运营商广播归属的锚点频点指示，PLMN-2的用户根据归属的PLMN-2的双连接锚点频点策略处理。PLMN-1 和PLMN-2的归属双连接锚点频点可以相同，也可以不同。
本实施例提供的双连接锚点接入方法，广播双连接锚点频点指示，接收用户设备UE在双连接锚点频点指示的一个频点发送的接入请求，向UE发送接入响应，从而使UE接入网络，使得支持双连接的UE能够直接接入锚点载频，避免支持双连接的UE在接入网络后再进行频点迁移的过程，提高了用户的使用体验。
图4为一实施例提供的另一种双连接锚点接入方法的流程图，如图4所示，本实施例提供的方法包括如下步骤。
步骤S4010，广播独立组网SA或非独立组网NSA优先指示。
5G网络分为SA和NSA两种组网方式，且5G网络中的UE也包括仅支持NSA的UE、仅支持SA的UE和同时支持NSA和SA的双模UE。由于NSA和SA两种组网方式在通过锚点载频时的方式不同，因此网络在广播双连接锚点频点指示时，可以同时广播SA或NSA优先指示。SA或NSA优先指示用于指示UE优先使用SA或NSA方式接入网络。
步骤S4020，接收UE在双连接锚点频点指示的一个频点，根据UE组网能力以及SA或NSA优先指示选择UE的组网模式发送的接入请求。
UE接收到双连接锚点频点指示后，选择双连接锚点频点指示的一个频点作为接入的频点。UE在接收SA或NSA优先指示后，需要根据UE自身的组网能力以及SA或NSA优先指示共同判断选择UE的组网模式。UE若仅支持SA组网，那么即使SA或NSA优先指示为NSA组网优先，则UE无法按照NSA模式组网，那么UE将按照SA模式进行组网，而SA或NSA优先指示为SA组网优先，则UE将按照SA模式进行组网。UE若仅支持NSA组网，那么即使SA或NSA优先指示为SA组网优先，则UE无法按照SA模式组网，那么UE将按照NSA模式进行组网，而SA或NSA优先指示为NSA组网优先，则UE将按照NSA模式进行组网。UE若为支持SA和NSA双模组网的UE，那么若SA或NSA优先指示为NSA组网优先，则UE将按照NSA模式进行组网，若SA或NSA优先指示为SA组网优先，则UE将按照SA模式进行组网。
那么MN将接收UE在双连接锚点频点指示的一个频点上根据UE组网能力以及SA或NSA优先指示选择UE的组网模式发送的接入请求。
步骤S4030，在接入的频点向UE发送接入响应，以使UE以选择的组网模式接入网络。
在UE选择了接入的频段，以及组网模式后，即可在接入的频点，以选择的组网模式接入网络。在NSA模式组网的情况下，UE仅需与MN进行交互，完 成接入过程，如步骤S3030所示。在SA模式组网的情况下，UE将同时与MN和SN进行交互，实现组网的过程。
图5为一实施例提供的一种双连接锚点接入方法的交互流程图，如图5所示，本实施例提供的方法包括如下步骤。
步骤S5010，MN广播双连接锚点频点指示。
步骤S5020，UE选择锚点频点。
步骤S5030，UE发送RRC连接建立请求。
步骤S5040，MN发送RRC连接建立响应。
步骤S5050，UE发送RRC连接建立完成响应。
步骤S5060，MN向SN发送辅节点添加请求。
步骤S5070，SN向MN发送辅节点添加响应。
步骤S5080，MN向UE发送RRC连接重配请求。
步骤S5090，UE向MN发送RRC连接重配完成响应。
本实施例提供的双连接锚点接入方法中，UE为支持双连接的UE，且UE为NSA能力UE。双连接能力UE按照网络侧锚点频层指示，重选到锚点频层小区直接做业务，尽快享受双连接服务。假设系统广播优先级中非锚点频层优先级低，普通终端(非双连接能力终端)按照广播优先级驻留在非锚点频层，这样避免非双连接能力终端在锚点频层和非锚点频层反复迁移，减少业务中断影响。图中的CN表示核心网(Core Network)。
图6为根据图5所示双连接锚点接入方法进行接入的网络连接示意图。其中小区(Cell)11为锚点频点。Non-NSA UE表示不支持双连接的UE。
图7为一实施例提供的另一种双连接锚点接入方法的交互流程图，如图7所示，本实施例提供的方法包括如下步骤。
步骤S7010，MN广播独立组网优先指示和双连接锚点频点指示。
步骤S7020，SN广播独立组网优先指示和双连接锚点频点指示。
步骤S7030，支持SA组网的UE按照SA组网模式与MN交互。
步骤S7040，支持SA组网的UE按照SA组网模式与SN交互。
步骤S7030和步骤S7040可以任选其一，UE可以选择在MN接入，也可以选择在SN接入。
步骤S7050，随机接入流程。与步骤S5030-步骤S5090相同。
步骤S7010-步骤S7050为支持SA组网的UE按照SA组网方式接入网络的流程图。
步骤S7060，MN广播非独立组网优先指示和双连接锚点频点指示。
步骤S7070，UE选择锚点频点。
步骤S7080，随机接入流程。与步骤S5030-步骤S5090相同。
步骤S7060-步骤S7080为支持NSA组网的UE按照NSA组网方式接入网络的流程图。
网络指示SA优先，则双模终端按照SA能力进行驻留选择。网络指示NSA优先，则双模终端按照NSA能力进行驻留选择。其他终端按照原有的驻留策略执行。
图8为根据图7所示双连接锚点接入方法进行接入的网络连接示意图。其中小区(Cell)11为锚点频点。Non-NSA UE表示不支持双连接的UE。
图9为一实施例提供的另一种双连接锚点接入方法的交互流程图，如图9所示，本实施例提供的方法包括如下步骤。
步骤S9010，MN广播PLMN级双连接锚点频点指示。
步骤S9020，UE选择锚点频点。
步骤S9030，UE发送RRC连接建立请求。
步骤S9040，MN发送RRC连接建立响应。
步骤S9050，UE发送RRC连接建立完成响应。
步骤S9060，MN将锚点频点的选择信息投递到UE归属的CN。
步骤S9070，MN向SN发送辅节点添加请求。
步骤S9080，SN向MN发送辅节点添加响应。
步骤S9090，MN向UE发送RRC连接重配请求。
步骤S9100，UE向MN发送RRC连接重配完成响应。
双连接能力UE按照网侧PLMN级别锚点频层指示，重选到归属PLMN的锚点频层小区直接做业务，尽快享受双连接服务。假设系统广播优先级中非锚点频层优先级低，普通终端(非双连接能力终端)按照广播优先级驻留在非锚点频层，这样避免非双连接能力终端在锚点和非锚点频层反复迁移，减少业务中断影响。
图10为根据图9所示双连接锚点接入方法进行接入的网络连接示意图。其 中小区(Cell)11为锚点频点。Non-NSA UE表示不支持双连接的UE。
图11为一实施例提供的一种双连接锚点接入装置的结构示意图，如图11所示，本实施例提供的双连接锚点接入装置包括：接收模块111、选择模块112和接入模块113。
接收模块111，设置为接收双连接锚点频点指示；选择模块112，设置为选择双连接锚点频点指示的一个频点作为接入的频点；接入模块113，设置为在选择的频点接入网络。
本实施例提供的双连接锚点接入装置用于实现图1所示实施例的双连接锚点接入方法，本实施例提供的双连接锚点接入装置实现原理和技术效果类似，此处不再赘述。
图12为一实施例提供的另一种双连接锚点接入装置的结构示意图，如图12所示，本实施例提供的双连接锚点接入装置包括：广播模块121、接收模块122和发送模块123。
广播模块121，设置为广播双连接锚点频点指示；接收模块122，设置为接收UE在双连接锚点频点指示的一个频点发送的接入请求；发送模块123，设置为向UE发送接入响应，以使UE接入网络。
本实施例提供的双连接锚点接入装置用于实现图3所示实施例的双连接锚点接入方法，本实施例提供的双连接锚点接入装置实现原理和技术效果类似，此处不再赘述。
图13为一实施例提供的一种UE的结构示意图，如图13所示，该UE包括处理器131、存储器132、发送器133和接收器134；UE中处理器131的数量可以是一个或多个，图13中以一个处理器131为例；UE中的处理器131和存储器132、发送器133和接收器134可以通过总线或其他方式连接，图13中以通过总线连接为例。
存储器132作为一种计算机可读存储介质，可设置为存储软件程序、计算机可执行程序以及模块，如本申请图1-图2实施例中的双连接锚点接入方法对应的程序指令/模块(例如，双连接锚点接入装置中的接收模块111、选择模块112和接入模块113)。处理器131通过运行存储在存储器132中的软件程序、指令以及模块，从而完成UE至少一种功能应用以及数据处理，即实现上述的双连接锚点接入方法。
存储器132可包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序；存储数据区可存储根据UE的使用所创建的数据等。此外，存储器132可以包括高速随机存取存储器，还可以包括非 易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
发送器133为能够将射频信号发射至空间中的模块或器件组合，例如包括射频发射机、天线以及其他器件的组合。接收器134为能够从空间中接收射频信号的模块或器件组合，例如包括射频接收机、天线以及其他器件的组合。
图14为一实施例提供的一种接入点的结构示意图，如图14所示，该接入点包括处理器141、存储器142、发送器143和接收器144；接入点中处理器141的数量可以是一个或多个，图14中以一个处理器141为例；接入点中的处理器141和存储器142、发送器143和接收器144可以通过总线或其他方式连接，图14中以通过总线连接为例。
存储器142作为一种计算机可读存储介质，可设置为存储软件程序、计算机可执行程序以及模块，如本申请图3-图4实施例中的双连接锚点接入方法对应的程序指令/模块(例如，双连接锚点接入装置中的广播模块121、接收模块122和发送模块123)。处理器141通过运行存储在存储器142中的软件程序、指令以及模块，从而完成接入点至少一种功能应用以及数据处理，即实现上述的双连接锚点接入方法。
存储器142可包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序；存储数据区可存储根据接入点的使用所创建的数据等。此外，存储器142可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
发送器143为能够将射频信号发射至空间中的模块或器件组合，例如包括射频发射机、天线以及其他器件的组合。接收器144为能够从空间中接收射频信号的模块或器件组合，例如包括射频接收机、天线以及其他器件的组合。
本申请实施例还提供一种包含计算机可执行指令的存储介质，计算机可执行指令在由计算机处理器执行时用于执行一种双连接锚点接入方法，该方法包括：接收双连接锚点频点指示；选择双连接锚点频点指示的一个频点作为接入的频点；在选择的频点接入网络。
本申请实施例还提供一种包含计算机可执行指令的存储介质，计算机可执行指令在由计算机处理器执行时用于执行一种双连接锚点接入方法，该方法包括：广播双连接锚点频点指示；接收UE在双连接锚点频点指示的一个频点发送的接入请求；向UE发送接入响应，以使UE接入网络。
以上仅为本申请的示例性实施例而已，并非用于限定本申请的保护范围。
用户终端涵盖任何适合类型的无线用户设备，例如移动电话、便携数据处理装置、便携网络浏览器或车载移动台。
本申请的多种实施例可以在硬件或专用电路、软件、逻辑或其任何组合中实现。例如，一些方面可以被实现在硬件中，而其它方面可以被实现在可以被控制器、微处理器或其它计算装置执行的固件或软件中。
本申请的实施例可以通过移动装置的数据处理器执行计算机程序指令来实现，例如在处理器实体中，或者通过硬件，或者通过软件和硬件的组合。计算机程序指令可以是汇编指令、指令集架构(Instruction Set Architecture，ISA)指令、机器指令、机器相关指令、微代码、固件指令、状态设置数据、或者以一种或多种编程语言的任意组合编写的源代码或目标代码。
本申请附图中的任何逻辑流程的框图可以表示程序步骤，或者可以表示相互连接的逻辑电路、模块和功能，或者可以表示程序步骤与逻辑电路、模块和功能的组合。计算机程序可以存储在存储器上。存储器可以具有任何适合于本地技术环境的类型并且可以使用任何适合的数据存储技术实现，例如只读存储器(Read-Only Memory，ROM)、随机访问存储器(Random Access Memory，RAM)、光存储器装置和系统(数码多功能光碟(Digital Video Disc，DVD)或光盘(Compact Disc，CD))等。计算机可读介质可以包括非瞬时性存储介质。数据处理器可以是任何适合于本地技术环境的类型，例如通用计算机、专用计算机、微处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、可编程逻辑器件(Field-Programmable Gate Array，FPGA)以及基于多核处理器架构的处理器。

Claims (18)

  1. 一种双连接锚点接入方法，包括：
    接收双连接锚点频点指示；
    选择所述双连接锚点频点指示的一个频点作为接入的频点；
    在选择的频点接入网络。
  2. 根据权利要求1所述的方法，还包括：
    接收独立组网SA或非独立组网NSA优先指示；
    根据用户设备UE组网能力以及所述SA或NSA优先指示选择UE的组网模式；
    所述在选择的频点接入网络，包括：
    在所述选择的频点，以选择的组网模式接入网络。
  3. 根据权利要求2所述的方法，其中，所述根据UE组网能力以及所述SA或NSA优先指示选择UE的组网模式，包括：
    在所述UE仅支持SA组网的情况下，所述UE按照SA模式组网；
    在所述UE仅支持NSA组网的情况下，所述UE按照NSA模式组网；
    在所述UE支持SA和NSA双模组网的情况下，所述UE根据所述SA或NSA优先指示，选择优先的模式组网。
  4. 根据权利要求1～3中任一项所述的方法，其中，所述接收双连接锚点频点指示，包括：
    接收公共陆地移动网PLMN级双连接锚点频点指示，所述PLMN级双连接锚点频点指示包括不同PLMN的双连接锚点频点指示；
    所述选择所述双连接锚点频点指示的一个频点作为接入的频点，包括：
    根据归属PLMN的双连接锚点频点指示选择接入的频点。
  5. 根据权利要求1～3中任一项所述的方法，其中，所述选择所述双连接锚点频点指示的一个频点作为接入的频点，包括：
    选择所述双连接锚点频点指示的一个最高优先级的频点作为接入的频点。
  6. 根据权利要求1～3中任一项所述的方法，其中，所述选择所述双连接锚点频点指示的一个频点作为接入的频点，包括：
    在UE支持双连接的情况下，选择所述双连接锚点频点指示的一个频点作为接入的频点。
  7. 根据权利要求1～3中任一项所述的方法，其中，在所述接收双连接锚点频点指示之后，还包括：
    在UE不支持双连接的情况下，忽略所述双连接锚点频点指示。
  8. 一种双连接锚点接入方法，包括：
    广播双连接锚点频点指示；
    接收用户设备UE在所述双连接锚点频点指示的一个频点发送的接入请求；
    向所述UE发送接入响应，以使所述UE接入网络。
  9. 根据权利要求8所述的方法，还包括：
    广播独立组网SA或非独立组网NSA优先指示；
    所述接收用户设备UE在所述双连接锚点频点指示的一个频点发送的接入请求，包括：
    接收所述UE在所述双连接锚点频点指示的一个频点，根据UE组网能力以及所述SA或NSA优先指示选择UE的组网模式发送的接入请求；
    所述向所述UE发送接入响应，以使所述UE接入网络，包括：
    在接入的频点向所述UE发送接入响应，以使所述UE以选择的组网模式接入网络。
  10. 根据权利要求8或9所述的方法，其中，所述广播双连接锚点频点指示，包括：
    广播公共陆地移动网PLMN级双连接锚点频点指示，所述PLMN级双连接锚点频点指示包括不同PLMN的双连接锚点频点指示；
    所述接收UE在所述双连接锚点频点指示的一个频点发送的接入请求，包括：
    接收所述UE根据归属PLMN的双连接锚点频点指示选择的接入的频点发送的接入请求。
  11. 根据权利要求10所述的方法，其中，所述广播双连接锚点频点指示，包括：
    在网络共享多PLMN场景下，广播多个双连接锚点频点指示和所述多个双连接锚点频点指示的优先级；
    在非网络共享场景下，广播多个双连接锚点频点指示和所述多个双连接锚点频点指示的优先级。
  12. 根据权利要求8或9所述的方法，其中，所述广播双连接锚点频点指示，包括：
    在所有频率层广播所述双连接锚点频点指示。
  13. 根据权利要求9所述的方法，其中，所述广播独立组网SA或非独立组网NSA优先指示，包括：
    在所有频率层广播所述SA或NSA优先指示。
  14. 一种双连接锚点接入装置，包括：
    接收模块，设置为接收双连接锚点频点指示；
    选择模块，设置为选择所述双连接锚点频点指示的一个频点作为接入的频点；
    接入模块，设置为在选择的频点接入网络。
  15. 一种双连接锚点接入装置，包括：
    广播模块，设置为广播双连接锚点频点指示；
    接收模块，设置为接收用户设备UE在所述双连接锚点频点指示的一个频点发送的接入请求；
    发送模块，设置为向所述UE发送接入响应，以使所述UE接入网络。
  16. 一种用户设备UE，包括处理器和存储器，所述处理器设置为运行储存在所述存储器里的程序指令以执行根据权利要求1-7中任意一项所述的双连接锚点接入方法。
  17. 一种接入点，包括处理器和存储器，所述处理器设置为运行储存在所述存储器里的程序指令以执行根据权利要求8-13中任意一项所述的双连接锚点接入方法。
  18. 一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1～13中任一项所述的双连接锚点接入方法。
PCT/CN2020/130781 2019-12-02 2020-11-23 双连接锚点接入方法、装置、设备和存储介质 WO2021109886A1 (zh)

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