WO2020015736A1 - 用户设备的控制方法以及用户设备 - Google Patents

用户设备的控制方法以及用户设备 Download PDF

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Publication number
WO2020015736A1
WO2020015736A1 PCT/CN2019/096779 CN2019096779W WO2020015736A1 WO 2020015736 A1 WO2020015736 A1 WO 2020015736A1 CN 2019096779 W CN2019096779 W CN 2019096779W WO 2020015736 A1 WO2020015736 A1 WO 2020015736A1
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rna
access
variable
value
information
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PCT/CN2019/096779
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English (en)
French (fr)
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张崇铭
坪井秀和
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夏普株式会社
张崇铭
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Publication of WO2020015736A1 publication Critical patent/WO2020015736A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the present invention relates to the field of wireless communication technologies, and more particularly, the present invention relates to a method for controlling user equipment and a corresponding user equipment.
  • a timer T380 is started.
  • T380 expires, the UE performs the update process of the access network notification area (RAN Notification Area).
  • RNA access network notification area
  • the UE moves to A new cell that does not belong to the access network notification area (RNA) previously saved by the UE, and the UE will also perform RNAU.
  • the UE initiates a process of recovering the RRC connection, and requests a resume RRC connection by sending an RRC connection resume request (Connection request) message to the network side.
  • the UE in order to control the access of the UE, the UE needs to perform an access control check before initiating the connection establishment.
  • Each type of access request is assigned a corresponding access category, and the UE performs a corresponding access control check according to the access category corresponding to the access request.
  • barring which means that access is prohibited.
  • the UE will start the timer corresponding to the access category and set a certain time. This timer can be called a barring timer. When the barring timer expires, the UE can re-initiate access.
  • Another check result of access control is no barring, that is, the UE can directly initiate access.
  • the UE can trigger an access because of the RNA.
  • the detection result is barring. Then the UE needs to wait for the barring timer not to run and then initiate access.
  • the barring timer is stopped. Usually, the UE enters the connected state, and the barring timer is stopped. The UE reselects, and the barring timer is stopped. It can also be that the UE has an exception, and enters the idle state, and the barring timer is stopped.
  • RNA updating is to notify the current position of the UE in the network, and the current position of the UE in the connected state is perceived by the network side.
  • RNA Updating is The location of the UE has changed, and the cell where it resides does not belong to the saved RNA list. Now the cell where the UE is located still belongs to the RNA stored on the UE side, that is, the location of the UE has not changed significantly. meaningless. How to avoid these meaningless RRC connection and resume requests is a problem that needs to be solved.
  • the present invention proposes a solution to the above problems. Specifically, the present invention provides a method for controlling user equipment and a user equipment.
  • a method for controlling user equipment UE which includes: when an access type corresponding to an RNA update in an access network notification area is prohibited, the UE starts a prohibition access timer; When the access prohibition timer is running, if a cell reselection occurs on the UE, determine whether the entered RNA belongs to the configured RNA of the UE; if it is determined that the entered RNA does not belong to the UE For the configured RNA information, set the value of the PRU variable to TRUE; if it is determined that the entered RNA belongs to the configured RNA information of the UE, set the value of the PRU variable to False (FALSE); when the access prohibition timer stops running, determine whether to trigger the RNA update according to the value of the PRU variable.
  • FALSE False
  • the access prohibition timer when the access prohibition timer is running, if a cell reselection occurs in the UE, the access prohibition timer is stopped.
  • the access prohibition timer stops running, the access type corresponding to the RNA update is released from access prohibition, and the access type corresponding to the RNA update is released from access
  • the UE when the value of the PRU variable is true, the UE triggers the RNA update; when the value of the PRU variable is false, the UE does not trigger the RNA update; trigger
  • the process of the RNA update is an RRC connection restoration process initiated by the UE, and the failure to trigger the RNA update is a process of the UE not performing an RRC connection restoration process related to the RNA update.
  • an RRC connection restoration message is sent during the initialization of the RRC connection restoration, and the cause value and / or the establishment cause value in the RRC connection restoration message is set as information related to the RNA update.
  • RNA information when a cell reselection occurs in the UE, it is determined whether the RNA entered by the UE belongs to the configured UE according to the RNA ID to which the selected cell belongs or the cell ID of the selected cell. RNA information.
  • the RNA information configured by the UE is an RNA ID list.
  • the RNA ID list includes the RNA ID to which the selected cell belongs, it is determined that the entered RNA belongs to the configured RNA of the UE. Information.
  • the cell ID of the selected cell is the same as any one of all the cell IDs included in the RNA information configured by the UE, it is determined that the entered RNA belongs to the RNA configured by the UE Information.
  • a user equipment UE including: a processor; and a memory storing instructions; wherein the instructions execute a control method according to a context when the instructions are executed by the processor.
  • FIG. 1 is a flowchart illustrating a control method 100 of a user equipment UE according to an embodiment of the present invention.
  • FIG. 2 is a block diagram showing a user equipment 20 according to an embodiment of the present invention.
  • the NR mobile communication system and its subsequent evolved versions are used as an example application environment, and a base station and a UE device supporting NR are taken as examples to describe a plurality of embodiments according to the present invention in detail.
  • the present invention is not limited to the following embodiments, but can be applied to more other wireless communication systems, such as eLTE communication systems, and can be applied to other base stations and UE devices, such as eLTE-enabled base stations and UEs. device.
  • the Elte communication system means that the UE uses the LTE standard to communicate with the base station on the air interface, but the non-access layer of the UE is connected to the 5G core network instead of the EPC.
  • the trigger layer of the access request will provide at least information such as access category to perform access control checks.
  • the trigger layer of the access request may be an access layer (AS layer).
  • the access request triggered by the access layer may be a request to resume the RRC connection, that is, the RRC Connection Resumption process.
  • the UE sends an RRC ConnectionResume Request message to the network side, and the message carries an access reason, indicating the reason value for initiating the connection request.
  • the AS layer of the UE performs access barring control based on at least access category information.
  • Forbidden means that the UE can consider that access / residence in the current cell is forbidden / not allowed (consider access to the cell as barred); it can also be considered by the UE to establish a new PDU session in the current cell. Not allowed / forbidden
  • Allowed means that the UE considers that initiating access in the current cell is allowed; it can also mean that the UE believes that establishing a new PDU session in the current cell is allowed.
  • the UE may start a barring timer.
  • the access prohibition timer started due to the access control of an access type can be referred to as the access prohibition timer corresponding to the access type. Once this access barring timer stops running, it means that the barring alleviation of its corresponding access type is released.
  • the UE can be in an inactive state (INACTIVE state). In this state, the RRC connection of the UE is suspended, and the network side can know the access network notification area where the UE is located.
  • the UE side stores information of a valid access network notification area, and the information is configured by the network side to the UE when the UE was in the last connection state.
  • the system information of the cell will broadcast the access network notification area to which the cell belongs. If the UE finds that the current cell does not belong to the access network notification area it holds, or the current cell The access network notification area that it belongs to is different from the access network notification area that it keeps, and the UE needs to notify the network side.
  • the UE will perform the operation of updating the access network notification area, including the UE initiation / triggering.
  • the RRC connection is restored.
  • the UE requests to resume the RRC connection (resume connection) by generating an RRC connection restoration request message to the network side, and indicates the identity of the UE in the inactive state in the request message.
  • the network side After receiving the RRC connection restoration request message, the network side searches for the UE information according to the identity of the UE in the inactive state, and updates the context of the UE, especially the information of the access network notification area where the UE is located; and the UE It also updates the information in the notification area of the access network that is saved / configured to complete the RNAU process.
  • RNAU timer When the UE enters INACTIVE, a timer is started. This timer can be called an RNAU timer, which is used to control the UE to perform RNAU periodically. Specifically, when this timer expires, the UE will trigger an RNAU process. The specific operation is as described above. In NR, this timer is named T380.
  • variable parameter pendingRnaUpdate In order to determine whether meaningful RNA updating is needed, you can set the variable parameter pendingRnaUpdate, which can be set to FALSE or True. When the UE's access barring is lifted (barring), the UE will determine the value of this variable. If the value is FALSE, the UE will not trigger RNA updating; otherwise, if the value of the variable is TRUE, the UE will trigger RNA updating.
  • the UE needs to initiate access in order to perform RNA updating. Therefore, for access triggered by RNA updating, an access type can be defined in advance, and this access type can be referred to as "access type corresponding to RNA updating".
  • access type corresponding to RNA updating When the RRC connection recovery is triggered by the RNA updating, the UE selects the access corresponding to the RNA updating as the access type of the triggered access, and performs the access control operation based on the selected access type.
  • FIG. 1 a flowchart of a method 100 for controlling user equipment UE according to an embodiment of the present invention is shown in FIG.
  • step S101 the user equipment UE starts a barring timer (barring timer) when an access category corresponding to an access network notification area update (RNA Update) is prohibited.
  • barring timer barring timer
  • step S102 when a barring timer is running, if a cell reselection occurs in the user equipment UE, it is determined whether the entered RNA belongs to the configured RNA of the user equipment UE.
  • the RNA information may include an RNA ID list and a cell ID list.
  • the RNA ID list includes the RNA ID to which the selected cell belongs, it is determined that the entered RNA belongs to the RNA configured by the user equipment UE.
  • the cell ID of the selected cell is the same as any one of all the cell IDs included in the RNA information configured by the user equipment UE, it is determined that the entered RNA belongs to the information configured by the user equipment UE. .
  • step S102 If it is determined in step S102 that the entered RNA does not belong to the configured RNA of the user equipment UE (step S102: NO), the process proceeds to step S104, and in step S104, the value of the PRU variable (pendingRnaUpdate) is set to True.
  • step S102 if it is determined in step S102 that the entered RNA belongs to the configured RNA of the user equipment UE (step S102: YES), it proceeds to step S103.
  • step S103 the value of the PRU variable (pendingRnaUpdate) is set. Is FALSE.
  • step S105 when the barring timer is stopped, the user equipment UE determines whether to trigger the RNA update according to the value of the PRU variable (pendingRnaUpdate) set in step S103 or step S104. . Specifically, for example, when the value of the PRU variable is true, the user equipment UE triggers the RNA update.
  • the process of triggering the RNA update may be, for example, the user equipment UE initializing the RRC connection recovery process. For example, when the value of the PRU variable is false, the user equipment UE does not trigger the RNA update.
  • the so-called non-triggered RNA update is that the user equipment UE does not perform the RRC connection recovery process related to the RNA update.
  • barring timer when a cell reselection occurs during operation, or you can stop the barring timer (barring) When the timer expires, the barring timer is stopped.
  • Step 1 When the barring timer related to RNA updating is running, if the UE has cell reselection, the UE determines whether the incoming RNA belongs to the configured RNA information.
  • the UE If the UE enters an RNA, and the RNA does not belong to the configured RNA information of the UE, the UE sets the variable pendingRnaUpdate to TRUE;
  • the UE If the UE enters an RNA, and the RNA belongs to the configured RNA information of the UE, the UE sets the variable value to FALSE.
  • Step 2 When the barring timer related to RNA updating is running, if a cell reselection occurs in the UE, the UE stops running the barring timer.
  • Step 3 When the barring timer is stopped, the UE considers that the access category corresponding to the barring timer is released from the barring alleviation.
  • the UE since the barring timer corresponds to the access category corresponding to the RNA updating, the UE considers that the access triggered by the RNA updating is canceled and prohibited.
  • Step 4 When the access corresponding to the RNA updating access is released from access prohibition, the UE determines the value of the variable pendingRnaUpdate.
  • this variable is FALSE, the UE will not trigger RNA updating; otherwise, if the value of this variable is TRUE, then the UE will trigger RNA updating.
  • the "trigger RNA updating" mentioned herein may refer to an initial RRC connection recovery process, and preferably, a cause value / cause value carried in an RRCConnectionResume message to be sent during this process.
  • not triggering RNA updating means that the UE does not perform the RRC connection recovery process related to the RNAU.
  • a barring timer refers to a timer related to barring, which can be understood as a timer that is started when an access check result of an access category is an access barring.
  • the barring timer described in this embodiment may be a barring timer corresponding to an access type to which the RNAU belongs or a corresponding barring timer.
  • the UE initiates access in order to perform RNAUpdating.
  • the network side pre-defined a specific access type, or the network side broadcasts in the system information that the UE belongs to the RNAU-initiated access.
  • the access type is the access type to which the RNAU belongs.
  • Each access category has its corresponding barring timer. When the access check result of the access category is that access is prohibited, its corresponding barring timer is started.
  • RNA information that the UE determines whether the incoming RNA belongs to the configured RNA
  • information that the UE determines whether the incoming RNA belongs to the configured RNA specifically refers to the fact that when the barring timer is running, the UE has undergone cell reselection.
  • the selected cell belongs to a certain RNA. Obtained from the system information broadcast in the cell. This RNA is the RNA that the UE is currently entering.
  • the “configured RNA information” refers to information related to or related to the RNA configured by the network side.
  • the UE can obtain the configured RNA-related information from two ways. One is that the UE in the connected state receives the RRC_CONNECTION_RELEASE message, and this message carries information indicating that the UE enters the INACTIVE state, and this information includes the configured RNA-related information. The other is the configured RNA-related information received by the UE in the INACTIVE state from the network side during the RNA updating process. The UE saves the configured RNA-related information until it receives the newly configured RNA-related information.
  • the UE can determine whether the RNA to which the selected cell belongs belongs to the configured RNA information.
  • the specific judgment process may be that the UE obtains the RNA of the selected cell from the system information as 010, and the configured RNA information of the UE is the RNA ID list, and the RNA IDs contained therein are ⁇ 012, 113, 151 ⁇ , Then it can be determined that the RNA entered by the UE does not belong to the configured RNA information of the UE. Therefore the UE sets the variable to TRUE. In particular, if the system information broadcast by the selected cell does not include the RNA ID, then it can be considered that the RNA to which this cell belongs does not belong to the configured RNA information of the UE, or the cell does not belong to the configured RNA information of the UE, and the UE changes the variable. Set to TRUE.
  • the UE obtains the RNA of the selected cell from the system information as 012, and the configured RNA information of the UE is the RNA ID list, and the RNA IDs contained therein are ⁇ 012, 113, 151 ⁇ , then it can be judged that the UE entered the RNA RNA information that belongs to the UE configuration. Therefore the UE sets the variable to FALSE.
  • the specific judgment process may be that the UE obtains the selected cell ID from the system information, and the RNA information configured by the UE includes the RNA ID and all the cell IDs contained in each RNA.
  • the UE may consider that the incoming RNA does not belong to the configured RNA information of the UE. Therefore the UE sets the variable to TRUE.
  • the UE may consider that the incoming RNA belongs to the configured RNA information of the UE. Therefore the UE sets the variable to FALSE.
  • variable is an implementation manner, and the UE can also set the variable to 0 or 1, so as to distinguish different situations according to the value of the variable, and further based on the value of the variable. Different to determine if triggering RNA is needed.
  • the UE may consider that the incoming RNA does not belong to the configured RNA information of the UE. Therefore, the UE sets the variable value to 1.
  • the UE may consider that the incoming RNA belongs to the configured RNA information of the UE. Therefore, the UE sets the variable value to 0.
  • the UE determines the value of the variable pendingRnaUpdate.
  • the UE will not trigger RNA updating; otherwise, if the value of this variable is 1, the UE will trigger RNA updating.
  • Step 1 When the barring timer related to RNA updating is running, when cell reselection occurs,
  • the UE If the UE enters an RNA and the RNA does not belong to the configured RNA information of the UE, the UE sets the variable value to TRUE;
  • the UE If the UE enters an RNA, and the RNA belongs to the configured RNA information of the UE, the UE sets the variable value to FALSE.
  • Step 2 When the barring timer related to RNA updating is running, when cell reselection occurs, the UE stops running the barring timer.
  • Step 3 When the barring timer is stopped, the UE considers that the access category corresponding to the barring timer is released from access barring.
  • the barring timer corresponds to the RNA updating, the UE considers that the access triggered by the RNA updating is unprohibited.
  • Step 4 When the access corresponding to RNA updating is lifted, if the value of this variable is FALSE, the UE will not trigger RNA updating; otherwise, if the value of this variable is TRUE, the UE will trigger RNA updating.
  • step two if the running of the barring timer times out, the running of the barring timer stops.
  • the other parts of the second embodiment are the same as those of the first embodiment, and detailed descriptions of the same parts are omitted here.
  • Embodiment 3 includes Step 1, Step 3, and Step 4 in Embodiment 1.
  • the stop of the Barring timer can be triggered by other events.
  • the other parts of the third embodiment are the same as those of the first embodiment, and detailed descriptions of the same parts are omitted here.
  • FIG. 2 shows a block diagram of a user equipment 20 according to an embodiment of the present disclosure.
  • the user equipment 20 includes a processor 101 and a memory 202.
  • the processor 201 may include, for example, a microprocessor, a microcontroller, an embedded processor, and the like.
  • the memory 202 may include, for example, a volatile memory (such as a random access memory RAM), a hard disk drive (HDD), a non-volatile memory (such as a flash memory), or other memory systems.
  • the memory 202 stores program instructions. When the instruction is executed by the processor 201, it can execute the foregoing control method in the user equipment described in detail in the present disclosure.
  • the program running on the device according to the present invention may be a program that causes a computer to realize the functions of the embodiments of the present invention by controlling a central processing unit (CPU).
  • the program or information processed by the program may be temporarily stored in volatile memory (such as random access memory RAM), hard disk drive (HDD), non-volatile memory (such as flash memory), or other memory systems.
  • a program for implementing the functions of the embodiments of the present invention may be recorded on a computer-readable recording medium.
  • Corresponding functions can be realized by causing a computer system to read programs recorded on the recording medium and execute the programs.
  • the so-called “computer system” herein may be a computer system embedded in the device, and may include an operating system or hardware (such as a peripheral device).
  • the "computer-readable recording medium” may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a recording medium for a short-term dynamic storage program, or any other recording medium readable by a computer.
  • circuits designed to perform the functions described in this specification may include general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable logic devices, discrete Gate or transistor logic, discrete hardware components, or any combination of the above.
  • DSPs digital signal processors
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • a general-purpose processor may be a microprocessor, or any existing processor, controller, microcontroller, or state machine.
  • the above circuit may be a digital circuit or an analog circuit. In the event that new integrated circuit technologies have replaced existing integrated circuits due to advances in semiconductor technology, one or more embodiments of the present invention may also be implemented using these new integrated circuit technologies.
  • the present invention is not limited to the embodiments described above. Although various examples of the embodiments have been described, the present invention is not limited thereto.
  • Fixed or non-mobile electronic equipment installed indoors or outdoors can be used as terminal equipment or communication equipment, such as AV equipment, kitchen equipment, cleaning equipment, air conditioners, office equipment, vending machines, and other household appliances.

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Abstract

本发明提供一种用户设备的控制方法以及用户设备，所述用户设备的控制方法包括：在接入网通知区域RNA更新所对应的接入种类被禁止时，所述UE启动禁止接入定时器；在所述禁止接入定时器运行时，若所述UE发生了小区重选，则判断所进入的RNA是否属于所述UE被配置的RNA的信息；若判断为所进入的RNA不属于所述UE被配置的RNA的信息，则将PRU变量的取值设置为真(TRUE)；若判断为所进入的RNA属于所述UE被配置的RNA的信息，则将所述PRU变量的取值设置为假(FALSE)；在所述禁止接入定时器停止运行时，根据所述PRU变量的取值来判断是否触发所述RNA更新。

Description

用户设备的控制方法以及用户设备 技术领域
本发明涉及无线通信技术领域，更具体地，本发明涉及用户设备的控制方法以及相应的用户设备。
背景技术
随着移动通信的快速增长和技术的巨大进步，世界将走向一个完全互联互通的网络社会，即任何人或任何东西在任何时间和任何地方都可以获得信息和共享数据。预计到2020年，互联设备的数量将达到500亿部，其中仅有100亿部左右可能是手机和平板电脑，其它的则不是与人对话的机器，而是彼此对话的机器。因此，如何设计系统以更好地支持万物互联是一项需要深入研究的课题。
为此，在2016年3月举行的第三代合作伙伴计划(3GPP)RAN#64次全会上，提出了新5G无线接入技术的研究课题(参见非专利文献：RP-160671 New SID Proposal：Study on New Radio Access Technology)。在该工作项目的描述中，未来新的通信制式的工作频段可扩展至100GHz，同时将至少满足增强的移动宽带业务需求、海量物联网终端的通信需求，以及高可靠性要求的业务需求等，该项目研究工作将于2018年结束。
在NR系统中，当UE进入非激活态(INACTIVE)时，会启动定时器T380，当T380超时时，UE执行接入网通知区域的更新流程(RAN Notification Area Updating).此外，当UE移动到一个新小区，该小区不属于UE之前保存的接入网通知区域(RNA)，UE也会执行RNAU。为了进行RNAU，UE会发起恢复(resume)RRC连接的过程，通过向网络侧发生RRC连接恢复请求(Connection resume request)消息，请求resume RRC连接。
与此同时，在NR系统中，为了控制UE的接入，UE在发起连接建立之前，需要进行接入控制的检查。每种类型的接入请求被分配了相应的接 入种类(access category)，UE根据接入请求对应的access category进行相应的接入控制检查。
接入控制的检查结果有两种，一种结果为barring即禁止接入，在这种情况下，UE侧会启动相应于该access category的timer，并设置一定的时长。这种timer可以称为barring timer。当barring timer超时后，UE可以重新发起接入。接入控制的另外一种检查结果是no barring，即UE可以直接发起接入。
结合前面所述的UE可以因为RNA而触发一次接入，在进行接入检测的过程中，检测结果为barring，那么UE需要等待barring timer不运行然后再发起接入。
Barring timer不运行有两种原因
原因一：barring timer运行直到超时
原因二：当某事件发生或者满足条件时，barring timer被停止。通常可以是UE进入了连接态，barring timer被停止；UE发生了小区重选，barring timer被停止；还可以是UE侧发生异常，进入了空闲态，barring timer被停止。
无论哪种原因，当barring timer停止时，UE可以重新再发起连接建立。但是，与一般的数据传输触发连接建立请求不同，RNA updating过程的触发原因是有时效性和区域性的。所以一旦barring timer停止，UE就重新发起连接请求以进行RNA Updating，可能会导致无效的RNA updating。例如，当UE进入了连接态，barring timer被停止，如果这个时候再发起RNA updating的连接请求，是无意义的。RNA updating是为了通知网络UE当前的位置，而处于连接态的UE，其当前的位置是被网络侧感知的。再例如，当UE发生了小区重新，barring timer被停止，被选的小区仍然属于UE侧保持的RNA，那么这时候发起RNA updating的连接请求，也是无意义的，因为RNA Updating的一个触发原因就是UE的位置发生了变化，其驻留的小区不属于保存的RNA列表，而现在UE所处的小区仍然属于UE侧保存的RNA，即UE的位置没有发生显著的变化，这个时候进行的RNAupdating是无意义的。如何避免这些无意义的RRC connection resume请求，是需要解决的问题。
发明内容
本发明针对上述问题提出了解决方案，具体地，本发明提供了一种用户设备的控制方法以及用户设备。
根据本发明的第一方面，提供了一种用户设备UE的控制方法，包括：在接入网通知区域RNA更新所对应的接入种类被禁止时，所述UE启动禁止接入定时器；在所述禁止接入定时器运行时，若所述UE发生了小区重选，则判断所进入的RNA是否属于所述UE被配置的RNA的信息；若判断为所进入的RNA不属于所述UE被配置的RNA的信息，则将PRU变量的取值设置为真(TRUE)；若判断为所进入的RNA属于所述UE被配置的RNA的信息，则将所述PRU变量的取值设置为假(FALSE)；在所述禁止接入定时器停止运行时，根据所述PRU变量的取值来判断是否触发所述RNA更新。
在上述控制方法中，在所述禁止接入定时器运行时，若所述UE发生了小区重选，则停止所述禁止接入定时器。
在上述控制方法中，若所述禁止接入定时器运行超时，则停止所述禁止接入定时器。
在上述控制方法中，在所述禁止接入定时器停止运行时，所述RNA更新所对应的接入种类被解除了接入禁止，所述RNA更新所对应的接入种类被解除了接入禁止时，根据所述PRU变量的取值来判断是否触发所述RNA更新。
在上述控制方法中，在所述PRU变量的取值为真时，所述UE触发所述RNA更新；在所述PRU变量的取值为假时，所述UE不触发所述RNA更新；触发所述RNA更新的过程是所述UE初始化RRC连接恢复过程，不触发所述RNA更新是所述UE不进行与所述RNA更新相关的RRC连接恢复过程。
在上述控制方法中，在初始化所述RRC连接恢复过程中发送RRC连接恢复消息，将所述RRC连接恢复消息中的原因值和/或建立原因值设置为与所述RNA更新相关的信息。
在上述控制方法中，在所述UE发生了小区重选时，根据被选择小区所 属的RNA ID或者被选择小区的小区ID，来判断所述UE所进入的RNA是否属于所述UE被配置的RNA的信息。
在上述控制方法中，所述UE被配置的RNA信息是RNA ID列表，在所述RNA ID列表中包含被选择小区所属的RNA ID时，判断为所进入的RNA属于所述UE被配置的RNA的信息。
在上述控制方法中，在被选择小区的小区ID与所述UE被配置的RNA信息中所包含的所有的小区ID的任意一个相同时，判断为所进入的RNA属于所述UE被配置的RNA的信息。
根据本发明的第二方面，提出了一种用户设备UE，包括：处理器；以及存储器，存储有指令；其中，所述指令在由所述处理器运行时执行根据上下文所述的控制方法。
附图说明
图1是表示基于本发明的实施例的用户设备UE的控制方法100的流程图。
图2是表示根据本发明实施例的用户设备20的框图。
具体实施方式
下面结合附图和具体实施方式对本发明进行详细阐述。应当注意，本发明不应局限于下文所述的具体实施方式。另外，为了简便起见，省略了对与本发明没有直接关联的公知技术的详细描述，以防止对本发明的理解造成混淆。
在具体描述之前，先对本发明中提到的若干术语做如下说明。除非另有指出，本发明中涉及的术语都具有下文的含义
UE    User Equipment  用户设备
NR    New Radio  新一代无线技术
eLTE    Enhaced Long Term Evolution  增强的长期演进技术
NAS Non-access stratum  非接入层
AS   access stratum  接入层
下文以NR移动通信系统及其后续的演进版本作为示例应用环境，以支 持NR的基站和UE设备为例，具体描述了根据本发明的多个实施方式。然而，需要指出的是，本发明不限于以下实施方式，而是可适用于更多其它的无线通信系统，例如eLTE通信系统，而且可以适用于其他基站和UE设备，例如支持eLTE的基站和UE设备。这里Elte通信系统是指UE在空口上采用LTE制式与基站通信，但是UE非接入层连接的是5G核心网而非EPC。
[接入控制]
为了进行接入控制，接入请求的触发层至少会提供接入种类(access category)等信息来进行接入控制检查。其中接入请求的触发层可以是接入层(AS层)。接入层触发的接入请求可以是请求恢复RRC连接，即RRC Connection Resumption过程。在这一过程中，UE向网络侧发送RRC ConnectionResume Request消息，消息中携带了接入原因(access cause)，指明发起该连接请求的原因值。
UE的AS层至少基于接入种类(access category)信息执行接入禁止控制(access barring check)。
接入禁止控制的结果有两种，一种是禁止(barring)，还有一种是允许(not barring/allowed)。
禁止，是指UE可以认为在当前小区进行接入/驻留是被禁止的/不允许的(consider access to the cell as barred)；还可以是UE认为当前小区建立新的PDU会话(session)是不被允许的/被禁止的
允许，是指UE认为在当前小区发起接入是被允许的(consider access to the cell as not barred)；还可以是UE认为在当前小区建立新的PDU会话(session)是被允许的。
当接入禁止控制的结果是禁止时，UE可以启动禁止接入定时器。由于对某个接入种类进行禁止接入控制而启动的禁止接入定时器，可以称为相应于(corresponding to)该接入种类的禁止接入定时器。一旦这个禁止接入定时器停止运行，那么意味着其相应的接入种类的禁止接入被解除(barring alleviation)。
[接入网通知区域更新(RAN notification area updating，RNAU)]
在NR/eLTE中，UE可以处于非激活态(INACTIVE态)，在这种状态 下，UE的RRC连接是挂起(suspend)的，网络侧可以知道UE所处的接入网通知区域。UE侧保存着有效的接入网通知区域的信息，该信息是UE在上一次连接态时网络侧配置给UE的。当UE来到/重选到一个小区，小区的的系统信息中会广播该小区所属于的接入网通知区域，如果UE发现当前小区不属于其保存的接入网通知区域，或者是当前小区所属于的接入网通知区域与其保存的接入网通知区域不相同，UE就需要通知网络侧，在这种情况下，UE会进行接入网通知区域更新的操作，具体包括UE发起/触发RRC连接恢复，UE通过向网络侧发生RRC连接恢复请求消息请求恢复RRC连接(resume RRC Connection)，并在请求消息中指示UE在非激活态下的标识。网络侧接收到RRC连接恢复请求消息后，根据UE在非激活态下的标识，查找UE信息，对UE的上下文进行更新，特别是要更新UE所处的接入网通知区域的信息；而UE也会对其保存的/配置的接入网通知区域的信息进行更新，从而完成RNAU的过程。
当UE进入INACTIVE时，会启动一个定时器，这个定时器可以被称为RNAU timer，用来控制UE周期性地进行RNAU，具体表现为：当这个定时器超时时，UE会触发一个RNAU的过程，具体的操作如前文所述。在NR中，这个定时器的名称为T380。
为了判断是否需要进行有意义的RNA updating，可以设置变量参数pendingRnaUpdate，该参数值可以设置为FALSE或者True。当UE的接入禁止被解除时(barring alleviation)，UE会判断该变量的取值，如果取值为FALSE，那么UE将不触发RNA updating；反之如果该变量取值为TRUE，那么UE将触发RNA updating。
UE为了进行RNA updating需要发起接入，因此针对RNA updating触发的接入，可以预先定义一个接入种类，该接入种类可以称为“相应于RNA updating的接入种类”。当RNA updating触发了RRC连接恢复，那么UE就选择这个相应于RNA updating的接入来作为本次触发的接入的接入种类，并基于这个选择的接入种类进行接入控制的操作。
下面，对本发明中的用户设备UE的控制方法进行说明，具体而言，对用户设备UE的接入控制方法进行说明。作为一例，图1中表示基于本发明 的实施例的用户设备UE的控制方法100的流程图。
在步骤S101中，用户设备UE在接入网通知区域更新(RNA Notification Area Updating)所对应的接入种类(access category)被禁止时，启动禁止接入定时器(barring timer)。
在步骤S102中，在禁止接入定时器(barring timer)运行时，若用户设备UE发生了小区重选，则判断所进入的RNA是否属于用户设备UE被配置的RNA的信息。该RNA信息可以包含RNA ID列表、小区ID列表。
例如，在RNA ID列表中包含被选择小区所属的RNA ID时，判断为所进入的RNA属于用户设备UE被配置的RNA的信息。另外，例如，在被选择小区的小区ID与用户设备UE被配置的RNA信息中所包含的所有的小区ID的任意一个相同时，判断为所进入的RNA属于用户设备UE被配置的RNA的信息。
如果在步骤S102中判断为所进入的RNA不属于用户设备UE被配置的RNA的信息(步骤S102：否)，则进入步骤S104，在步骤S104中，将PRU变量(pendingRnaUpdate)的取值设置为真(TRUE)。
另外，如果在步骤S102中判断为所进入的RNA属于用户设备UE被配置的RNA的信息(步骤S102：是)，则进入步骤S103，在步骤S103中，将PRU变量(pendingRnaUpdate)的取值设置为假(FALSE)。
进而，在步骤S105中，在禁止接入定时器(barring timer)停止运行时，用户设备UE根据在步骤S103或者步骤S104中所设置的PRU变量(pendingRnaUpdate)的取值，来判断是否触发RNA更新。具体而言，例如，在PRU变量的取值为真时，用户设备UE触发RNA更新，所谓触发RNA更新的过程例如可以是用户设备UE初始化RRC连接恢复过程。例如，在PRU变量的取值为假时，用户设备UE不触发所述RNA更新，所谓不触发RNA更新是用户设备UE不进行与RNA更新相关的RRC连接恢复过程。
此外，关于禁止接入定时器(barring timer)的停止，可以在运行过程中发生了小区重选时，使禁止接入定时器(barring timer)停止运行，也可以在禁止接入定时器(barring timer)超时时，使禁止接入定时器(barring timer)停止运行。
以下，对本发明所涉及的具体实施例进行详细说明。另外，如上所述，本发明中的实施例是为了容易理解本发明而进行的示例性说明，并不是对本发明的限定。
【实施例1】
步骤一：当与RNA updating相关的barring timer在运行时，如果UE发生了小区重选，UE判断进入的RNA是否属于配置的RNA的信息。
如果UE进入了一个RNA，且该RNA不属于该UE被配置的RNA信息，那么UE将变量pendingRnaUpdate取值设置为真(TRUE)；
如果UE进入了一个RNA，且该RNA属于该UE被配置的RNA信息，那么UE将变量取值设置为假(FALSE)。
步骤二：当与RNA updating相关的barring timer在运行时，如果UE发生了小区重选，UE停止运行的barring timer。
步骤三：当barring timer停止运行时，UE认为相应于该barring timer的access category被解除了接入禁止(barring alleviation)。在本发明中，由于该barring timer相应于RNA updating对应的access category，因此UE认为RNA updating触发的接入被解除禁止。
步骤四：当相应于RNA updating的access category被解除禁止接入时，UE判断变量pendingRnaUpdate的取值。
如果该变量的取值为FALSE，那么UE将不触发RNA updating；反之如果该变量取值为TRUE，那么UE将触发RNA updating。
这里所述的“触发RNA updating”可以是指初始化RRC连接恢复过程，以及优选地，将在这一过程中将要发送的RRCConnectionResume消息中携带的原因值(cause value)/建立原因值(establish cause value)设置为RNA更新(rna-Update)，或者是与RNA更新相关的信息。
本实施例中“不触发RNA updating”是指UE不进行与RNAU相关的RRC连接恢复过程。
其中，barring timer是指与禁止接入(barring)相关的定时器，可以理解为当某个access category的接入检查结果是禁止接入时所启动的定时器。本实施例中所述的barring timer可以是对应于RNAU所属于或者所对应的接入种类对应的barring timer。例如，UE为了进行RNA Updating发起接入， 对于此类接入，网络侧给其预定义了特定的接入种类，或者是网络侧在系统信息中广播了UE为进行RNAU发起的接入所属于的接入种类，即为RNAU所属于的接入种类。每个接入种类有其相应的barring timer，当该接入种类的接入检查结果是禁止接入时，则启动其相应的barring timer。
本文中“UE判断是否进入的RNA是否属于配置的RNA的信息”，具体是指，当barring timer在运行时，UE发生了小区重选，被选中的这个小区属于某个RNA，这个信息UE可以从该小区内广播的系统信息中获取。这个RNA即为UE当下进入的RNA。
而“配置的RNA的信息”是指由网络侧配置的、与RNA有关或者相关的信息。UE可以从两种方式中获得配置的与RNA相关的信息。一种是处于连接态的UE接收到RRC CONNECTION RELEASE消息，在该消息中携带了指示UE进入INACTIVE态的信息，这些信息中就包含有配置的与RNA相关的信息。另外一种是处于INACTIVE态的UE在进行RNA updating过程中，从网络侧接收到的配置的与RNA相关的信息。UE会将这些配置的与RNA相关的信息保存，直到收到新的配置的与RNA相关的信息。
因此UE在发生小区重选后，可以判断被选择的小区所属的RNA是否属于其被配置的RNA信息。
具体的判断过程可以是，UE从系统信息中获取被选择的小区的RNA ID为010，而UE被配置的RNA信息为RNA ID列表，其中包含的RNA ID分别为{012，113，151}，那么可以判断UE进入的RNA不属于UE被配置的RNA信息。因此UE将变量设置为TRUE。特别地，如果被选择的小区广播的系统信息中不包含RNA ID，那么可以认为这个小区所属的RNA不属于UE被配置的RNA信息，或者这个小区不属于UE被配置的RNA信息，UE将变量设置为TRUE。
UE从系统信息中获取被选择的小区的RNA ID为012，而UE被配置的RNA信息为RNA ID列表，其中包含的RNA ID分别为{012，113，151}，那么可以判断UE进入的RNA属于UE被配置的RNA信息。因此UE将变量设置为FALSE。
具体的判断过程可以是UE从系统信息中获取被选择的小区ID，而UE 被配置的RNA信息中包含了RNA ID以及包含在每个RNA中的所有的小区ID。
当UE发现/判断被选择的小区ID不等于被配置的RNA信息中所包含的所有的小区ID中的任何一个，那么UE可以认为进入的RNA不属于UE被配置的RNA信息。因此UE将变量设置为TRUE。
当UE发现/判断被选择的小区ID与被配置的RNA信息中所包含的所有的小区ID中的某一个相同，那么UE可以认为进入的RNA属于UE被配置的RNA信息。因此UE将变量设置为FALSE。
需要说明的是，这里将变量设置为TRUE或者FALSE为一种实施方式，UE还可以将变量设置为0或者1，从而实现根据变量值的不同来区别不同的情况，并且进一步的根据变量值的不同来判断是否需要触发RNA。
例如：
当UE发现/判断被选择的小区ID不等于被配置的RNA信息中所包含的所有的小区ID中的任何一个，那么UE可以认为进入的RNA不属于UE被配置的RNA信息。因此UE将变量取值设置为1。
当UE发现/判断被选择的小区ID与被配置的RNA信息中所包含的所有的小区ID中的某一个相同，那么UE可以认为进入的RNA属于UE被配置的RNA信息。因此UE将变量取值设置为0。
当相应于RNA updating的access category被解除禁止接入时，UE判断变量pendingRnaUpdate的取值。
如果该变量的取值为0，那么UE将不触发RNA updating；反之如果该变量取值为1，那么UE将触发RNA updating。
【实施例1的变形例】
步骤一：当与RNA updating相关的barring timer在运行时，当发生了小区重选，
如果UE进入了一个RNA，且该RNA不属于该UE被配置的RNA信息，那么UE将变量取值设置为真(TRUE)；
如果UE进入了一个RNA，且该RNA属于该UE被配置的RNA信息，那么UE将变量取值设置为假(FALSE)。
步骤二：当与RNA updating相关的barring timer在运行时，当发生了 小区重选，UE停止运行的barring timer。
步骤三：当barring timer停止运行时，UE认为相应于该barring timer的access category被解除了接入禁止。在这里，由于该barring timer相应于RNA updating，因此UE认为RNA updating触发的接入被解除禁止。
步骤四：当相应于RNA updating的access category被解除禁止接入时，如果该变量的取值为FALSE，那么UE将不触发RNA updating；反之，如果该变量取值为TRUE，那么UE将触发RNA updating。
【实施例2】
实施例2和实施例1的区别在于：在步骤二中，如果barring timer运行超时，则barring timer停止运行。实施例2的其他部分与实施例1相同，对于相同的部分，在此省略其具体说明。
【实施例3】
实施例3和实施例1的区别在于：可以不包含步骤二，也就是说实施例3中包含实施例1中的步骤一、步骤三、步骤四。其中，Barring timer停止可以是由其他事件触发。实施例3的其他部分与实施例1相同，对于相同的部分，在此省略其具体说明。
此外，图2示出了根据本公开实施例的用户设备20的框图。如图2所示，该用户设备20包括处理器101和存储器202。处理器201例如可以包括微处理器、微控制器、嵌入式处理器等。存储器202例如可以包括易失性存储器(如随机存取存储器RAM)、硬盘驱动器(HDD)、非易失性存储器(如闪速存储器)、或其他存储器系统等。存储器202上存储有程序指令。该指令在由处理器201运行时，可以执行本公开详细描述的用户设备中的上述控制方法。
运行在根据本发明的设备上的程序可以是通过控制中央处理单元(CPU)来使计算机实现本发明的实施例功能的程序。该程序或由该程序处理的信息可以临时存储在易失性存储器(如随机存取存储器RAM)、硬 盘驱动器(HDD)、非易失性存储器(如闪速存储器)、或其他存储器系统中。
用于实现本发明各实施例功能的程序可以记录在计算机可读记录介质上。可以通过使计算机系统读取记录在所述记录介质上的程序并执行这些程序来实现相应的功能。此处的所谓“计算机系统”可以是嵌入在该设备中的计算机系统，可以包括操作系统或硬件(如外围设备)。“计算机可读记录介质”可以是半导体记录介质、光学记录介质、磁性记录介质、短时动态存储程序的记录介质、或计算机可读的任何其他记录介质。
用在上述实施例中的设备的各种特征或功能模块可以通过电路(例如，单片或多片集成电路)来实现或执行。设计用于执行本说明书所描述的功能的电路可以包括通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)、或其他可编程逻辑器件、分立的门或晶体管逻辑、分立的硬件组件、或上述器件的任意组合。通用处理器可以是微处理器，也可以是任何现有的处理器、控制器、微控制器、或状态机。上述电路可以是数字电路，也可以是模拟电路。因半导体技术的进步而出现了替代现有集成电路的新的集成电路技术的情况下，本发明的一个或多个实施例也可以使用这些新的集成电路技术来实现。
此外，本发明并不局限于上述实施例。尽管已经描述了所述实施例的各种示例，但本发明并不局限于此。安装在室内或室外的固定或非移动电子设备可以用作终端设备或通信设备，如AV设备、厨房设备、清洁设备、空调、办公设备、自动贩售机、以及其他家用电器等。
如上，已经参考附图对本发明的实施例进行了详细描述。但是，具体的结构并不局限于上述实施例，本发明也包括不偏离本发明主旨的任何设计改动。另外，可以在权利要求的范围内对本发明进行多种改动，通过适当地组合不同实施例所公开的技术手段所得到的实施例也包含在本发明的技术范围内。此外，上述实施例中所描述的具有相同效果的组件可以相互替代。

Claims (10)

  1. 一种用户设备UE的控制方法，包括：
    在接入网通知区域RNA更新所对应的接入种类被禁止时，所述UE启动禁止接入定时器；
    在所述禁止接入定时器运行时，若所述UE发生了小区重选，则判断所进入的RNA是否属于所述UE被配置的RNA的信息；
    若判断为所进入的RNA不属于所述UE被配置的RNA的信息，则将PRU变量的取值设置为真(TRUE)；
    若判断为所进入的RNA属于所述UE被配置的RNA的信息，则将所述PRU变量的取值设置为假(FALSE)；
    在所述禁止接入定时器停止运行时，根据所述PRU变量的取值来判断是否触发所述RNA更新。
  2. 根据权利要求1所述的控制方法，其中，
    在所述禁止接入定时器运行时，若所述UE发生了小区重选，则停止所述禁止接入定时器。
  3. 根据权利要求1所述的控制方法，其中，
    若所述禁止接入定时器运行超时，则停止所述禁止接入定时器。
  4. 根据权利要求1所述的控制方法，其中，
    在所述禁止接入定时器停止运行时，所述RNA更新所对应的接入种类被解除了接入禁止，
    所述RNA更新所对应的接入种类被解除了接入禁止时，根据所述PRU变量的取值来判断是否触发所述RNA更新。
  5. 根据权利要求1所述的控制方法，其中，
    在所述PRU变量的取值为真时，所述UE触发所述RNA更新；
    在所述PRU变量的取值为假时，所述UE不触发所述RNA更新；
    触发所述RNA更新的过程是所述UE初始化RRC连接恢复过程，不触发所述RNA更新是所述UE不进行与所述RNA更新相关的RRC连接恢复过程。
  6. 根据权利要求5所述的控制方法，其中，
    在初始化所述RRC连接恢复过程中发送RRC连接恢复消息，将所述RRC连接恢复消息中的原因值和/或建立原因值设置为与所述RNA更新相关的信息。
  7. 根据权利要求1所述的控制方法，其中，
    在所述UE发生了小区重选时，根据被选择小区所属的RNA ID或者被选择小区的小区ID，来判断所述UE所进入的RNA是否属于所述UE被配置的RNA的信息。
  8. 根据权利要求7所述的控制方法，其中，
    所述UE被配置的RNA信息是RNAID列表，在所述RNAID列表中包含被选择小区所属的RNAID时，判断为所进入的RNA属于所述UE被配置的RNA的信息。
  9. 根据权利要求7所述的控制方法，其中，
    在被选择小区的小区ID与所述UE被配置的RNA信息中所包含的所有的小区ID的任意一个相同时，判断为所进入的RNA属于所述UE被配置的RNA的信息。
  10. 一种用户设备UE，包括：
    处理器；以及
    存储器，存储有指令；
    其中，所述指令在由所述处理器运行时执行根据权利要求1至9中任一项所述的控制方法。
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