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WO2012058997A1 - Terminal et son procédé d'accès réseau - Google Patents

Terminal et son procédé d'accès réseau Download PDF

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Publication number
WO2012058997A1
WO2012058997A1 PCT/CN2011/080579 CN2011080579W WO2012058997A1 WO 2012058997 A1 WO2012058997 A1 WO 2012058997A1 CN 2011080579 W CN2011080579 W CN 2011080579W WO 2012058997 A1 WO2012058997 A1 WO 2012058997A1
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WO
WIPO (PCT)
Prior art keywords
terminal
access
waiting time
time
network
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2011/080579
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English (en)
Chinese (zh)
Inventor
毛磊
戴谦
邓云
艾建勋
许英奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2012058997A1 publication Critical patent/WO2012058997A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0247—Traffic management, e.g. flow control or congestion control based on conditions of the access network or the infrastructure network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices

Definitions

  • the present invention relates to the field of communications, and in particular to a terminal and a method for accessing the network.
  • H2H Human to Human
  • M2M Machine to Machine
  • M2M Machine to Machine
  • M2M Machine to Machine
  • M2M Machine to Machine
  • M2M is based on intelligent machine terminals and provides access to a variety of communication methods to provide customers with information solutions to meet customer information needs for monitoring, command and dispatch, data acquisition and measurement.
  • the development of wireless technology is an important factor in the development of the M2M market.
  • M2M can be applied to industrial applications, home applications, personal applications, and more. Industry applications such as: traffic monitoring, warning systems, marine rescue, vending machines, car payment, etc. Home applications such as: automatic meter reading, temperature control, etc. Personal applications such as: life detection, remote diagnosis, etc.
  • M2M's communication objects are machine-to-machine and human-to-machine.
  • Data communication between one or more machines is defined as MTC (Machine Type Communication), in which case human interaction is less required.
  • MTC Machine Type Communication
  • a machine participating in MTC is defined as an MTC device (hereinafter also referred to as an MTC terminal).
  • the MTC terminal can communicate with other MTC terminals or MTC servers through a PLMN (Public Land Mobile-communication Network) network.
  • PLMN Public Land Mobile-communication Network
  • FIG. 1 is a structural diagram of a control plane protocol of an LTE (Long Term Evolution) system, which includes signals between a UE, a base station (e B), and an MME (Mobility Management Entity).
  • LTE Long Term Evolution
  • e B base station
  • MME Mobility Management Entity
  • NAS Non-Access-Stratum non-access stratum
  • RRC Radio Resource Control
  • PDCP Packet Control
  • RLC Physical layer
  • MAC Media Access Control, Media Access Control
  • PHY physical layer
  • AS refers to the protocol layer that completes the air interface transmission, including the PHY physical layer, the MAC media access layer, the RLC radio link control layer, the PDCP packet data aggregation layer, and the RRC radio resource control layer; AS The access layer provides a channel for NAS messaging.
  • the NAS message is some information related to mobility management and session management that the UE interacts with the Core Network Entity (MME).
  • MME Core Network Entity
  • the core network entity initiates a command to release the link, requesting the UE to suspend the service.
  • the UE receives the reject request message fed back by the network side, the UE will update its own state, retry access or retry other networks.
  • the probability of congestion of the core network signaling is greatly improved.
  • the configured UE re-access time is up to 16 seconds.
  • severe congestion it is insufficient to alleviate congestion.
  • the request of all the current MTC terminals will be rejected. If these MTC terminals initiate the access again at the same time, the congestion state will not be solved continuously, and no effective solution has been proposed yet. .
  • a main object of the present invention is to provide a terminal and a method for accessing the network, so as to at least solve the congestion of the core network entity in the related art, and reject the request of all current MTC terminals, if these MTCs The terminal then initiates access at the same time, which inevitably causes the problem that the congestion state continues to be unresolved.
  • a method for a terminal to access a network includes: determining, by the terminal, the access time control information configured by the network side, when the terminal receives the network side reject message or the link release message, The waiting time of the terminal re-accessing the network; the terminal determining the access delay time of the terminal according to the waiting time; when the time that the terminal has waited for is equal to or exceeds the access delay time, the terminal The network side initiates an access request.
  • the terminal determines, according to the access time control information configured by the network side, a waiting time for the terminal to re-access the network, where: the terminal passes the non-access layer according to the core network entity of the network side.
  • the access time control information includes: a waiting time factor or a waiting time value.
  • the terminal determines the value of the waiting time according to a mapping relationship between the waiting time factor and the actual time; the access time control information includes When waiting for the time value, the terminal determines that the value of the waiting time is the same as the waiting time value included in the access time control information.
  • the terminal determines the access delay time of the terminal according to the waiting time, and includes at least one of the following: the terminal determines that the access delay time value is equal to a value of the waiting time; The access delay time value is equal to 0 to a random value between the waiting time values; the terminal determines that the access delay time value is equal to a product of the waiting time value and an adjustment factor, wherein the adjustment factor is according to an RRC connection.
  • Release signaling or system message of the network side or the terminal and the network side protocol are predefined to determine; the terminal determines that the access delay time value is equal to a sum of the waiting time value and a random value.
  • the terminal determines, according to the non-access stratum (NAS) signaling, the access time control information, the waiting time of the terminal re-accessing the network, according to the network side entity of the network side, including: the network side
  • the core network entity configures access time control information for the terminal in the network according to at least one of the following: a priority of the terminal in the network, a priority of the application service initiated by the terminal, and an access level of the terminal on the network side; Determining, by the determined access time control information, a waiting time for the terminal to re-access the network.
  • NAS non-access stratum
  • the priority of the terminal in the network, the priority of the application service initiated by the terminal, and the level of any one or more of the access levels of the terminal on the network side are high to low, and the configured access time is configured.
  • the control information contains a wait time factor or a wait time value from small to large.
  • a terminal including: a first determining unit, configured to receive Determining the waiting time for the terminal to re-access the network according to the access time control information configured by the network side, and determining, by the network side, the waiting time for re-accessing the network according to the network side; the second determining unit is configured to determine the terminal according to the waiting time Access delay time; the access unit is configured to initiate an access request to the network side when the time that has been waited for equal to or exceeds the access delay time.
  • the access time control information that is determined by the first determining unit includes: a waiting time factor or a waiting time value.
  • the first determining unit determines the waiting time according to a mapping relationship between the waiting time factor and an actual time.
  • the first determining unit determines the value of the waiting time and the waiting time value included in the access time control information when the access time control information according to the first determining unit includes a waiting time value. the same.
  • the second determining unit is further configured to: determine that the access delay time value is equal to the value of the waiting time; or determine that the access delay time value is equal to 0 to one of the waiting time values Or determining that the access delay time value is equal to a product of the waiting time value and an adjustment factor, wherein the adjustment factor is based on an RRC connection release signaling or a system message of the network side or the terminal and the network
  • the side protocol is predefined to determine; or determining that the access delay time value is equal to the waiting time value and the random value.
  • the access time control information according to the first determining unit is determined by at least one of the following: a priority of the terminal in the network, a priority of the application service initiated by the terminal, and a connection of the terminal on the network side. Level.
  • the first determining unit is based on the access time control information, the priority of the terminal in the network, the priority of the application service initiated by the terminal, and the access level of the terminal on the network side or When multiple levels are high to low, the configured access time control information includes a wait time factor or a wait time value from small to large.
  • the terminal determines the waiting time according to the access time control information, and determines the access delay time of the terminal according to the waiting time, and the time for the terminal to re-access the network is not unified, and avoids a large number of terminals simultaneously accessing The impact of the network, and even the overload of the network load.
  • FIG. 1 is a structural diagram of an LTE control plane protocol according to the related art
  • FIG. 2 is a processing flowchart of a method for a terminal to access a network according to an embodiment of the present invention
  • FIG. 3 is a diagram of a terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a terminal access time control system according to an embodiment of the present invention.
  • the embodiment of the present invention provides a method for a terminal to access a network. The processing flow is as shown in FIG.
  • Step 202 When the terminal receives the network side reject message or the link release message, according to the The access time control information configured on the network side determines the waiting time for the terminal to re-access the network.
  • Step 204 The terminal determines the access delay time of the terminal according to the waiting time.
  • Step 206 When the terminal has waited for the time equal to or exceeds the access delay time The terminal initiates an access request to the network side.
  • the terminal determines the waiting time according to the access time control information, and determines the access delay time of the terminal according to the waiting time, and the time for the terminal to re-access the network is not unified, and avoids a large number of terminals simultaneously accessing The impact of the network, and even the overload of the network load.
  • the network side configures different access time control information for the terminals in the network, including: The core network entity on the network side configures different access time control information for the terminal through the NAS layer signaling. It may also be adopted during implementation. Use other signaling, depending on the situation.
  • the terminal determines the waiting time for the terminal to re-access the network according to the access time control information configured by the network side, including: the terminal determines, according to the network network entity, the access time control information by using the NAS signaling to determine that the terminal re-accesses the network. waiting time.
  • the access time control information can include a latency factor or a latency value.
  • the terminal determines the value of the waiting time according to the mapping relationship between the waiting time factor and the actual time.
  • the access time control information includes the waiting time value
  • the terminal determines the value of the waiting time and the connection.
  • the incoming time control information includes the same latency value.
  • the terminal determines the access delay time of the terminal according to the waiting time.
  • the preferred embodiments include: The terminal determines that the access delay time value is equal to the waiting time value; the terminal determines the access delay.
  • the time value is equal to a random value between 0 and the waiting time value. For example, if the waiting time value is 10, the access delay time value is a random value in [0, 10], such as 5, or 7, for example, waiting If the time value is 20, the access delay time value is a random value in [0, 20]; the terminal determines that the access delay time value is equal to the product of the waiting time value and the adjustment factor, wherein the adjustment factor is based on the RRC connection release signaling.
  • the adjustment factor is a random value in [0, 1], and if the adjustment factor takes a value of 0.1, the current terminal determines the access delay time value.
  • the waiting time value is equal to one tenth; the terminal determines the access delay time value equal to the sum of the waiting time value and the random value, for example, the random value is natural N, N can take the values 0, 1, 2, 3, etc., the access delay time value is equal to N and the latency value sum.
  • the network side configures different access time control information for the terminals in the network, where: the core network entity on the network side configures different access time control information for the terminals in the network according to at least one of the following: The priority, the priority of the application service initiated by the terminal, and the access level of the terminal on the network side.
  • the priority of the terminal in the network, the priority of the application service initiated by the terminal, and the level of any one or more of the access levels of the terminal on the network side are high to low, and the configured access time control information
  • the included latency factor or wait time value is from small to large.
  • the network side rejects the connection request of some terminals, Or release the existing connection of some terminals, and configure a re-access waiting time for the terminal in the NAS layer signaling to disperse the time for the user to access the system again, which mitigates the impact of a large number of user accesses on the network device.
  • the limitation of the access waiting time of the access network only in the existing network can be expanded (the maximum waiting time is only 16 seconds), and the core network entity configures a longer time according to the congestion state thereof.
  • Embodiment 1 This embodiment uses an MTC terminal as an example to specifically introduce the technical solution of the present invention.
  • the core network entity may configure different waiting time control information, such as a waiting time factor or a waiting time value, according to the following factors;
  • the priority of the MTC terminal mainly refers to the capability of the terminal.
  • the priority of the terminal is determined by the operator and is not exactly the same as the terminal capability.
  • MTC applications Different types of priorities for MTC applications, such as fire alarms, are considered to be high priority MTC applications, and electronic meter reading is a lower priority MTC application;
  • the MTC terminal access level can be based on the ACB (Access Class Barring) mechanism. Each terminal has an associated AC (Access Class).
  • the network can be different.
  • the AC level performs access restriction or access wait control.
  • the method for configuring the waiting time factor or the waiting time value is as follows: configured by the core network node, and notified by the NAS layer, such as attach reject, Authentication reject, Service reject, Tracking area update reject, Bearer resource allocation reject, Bearer resource allocation request, PDN connectivity reject, etc. signaling; the core network node may add corresponding cells in the above signaling.
  • the MTC terminal initiates an access request for a certain type of priority application, the system waits for the corresponding waiting time factor or the waiting time value, and calculates how long it needs to wait before allowing the system to access the system again.
  • the terminal obtains the time to wait for re-accessing the network according to the relationship between the waiting time factor determined by the standardization and the actual time.
  • the terminal can directly determine the waiting time value as the time required to re-access the network.
  • the terminal determines the final access delay time according to one of the following ways: The access delay time value is equal to the value of the allocated waiting time; the access delay time value is less than the value of the configured waiting time. A random value; the access delay time value is equal to the product of the assigned waiting time value and the adjustment factor; the access delay time value is equal to the assigned waiting time value plus a random value.
  • Embodiment 2 uses an MTC terminal as an example to specifically introduce the technical solution of the present invention. If the UE has established a connection, if the core network entity is congested or other abnormalities during the transmission, the core network entity initiates a command to release the link, requesting the UE to suspend the service, and carrying the wait for re-access in the release message. time. In this embodiment, for the MTC terminal, the core network entity may configure different waiting time control information, such as a waiting time factor or a waiting time value, according to the following factors;
  • the priority of the MTC terminal mainly refers to the capability of the terminal.
  • the priority of the terminal is determined by the operator and is not exactly the same as the terminal capability.
  • the MTC terminal access level can be based on the ACB mechanism.
  • Each terminal has an associated AC level, and the network can perform access restriction or access waiting control for different AC levels.
  • the method for configuring the waiting time factor or the waiting time value is as follows: configured by the core network node to notify the terminal through the NAS layer signaling, such as Detach Request, Tracking area update reject; when the MTC terminal establishes a connection for a certain priority application.
  • the core network requests release the terminal according to the corresponding waiting time factor or waiting time value configured in the release message, calculates how long it needs to wait before allowing access to the system again.
  • the terminal obtains the time to wait for re-accessing the network according to the relationship between the waiting time factor determined by the standardization and the actual time.
  • the terminal can directly determine the waiting time value as the time required to re-access the network.
  • the terminal determines the final access delay time according to one of the following ways: The access delay time value is equal to the value of the allocated waiting time; the access delay time value is less than the value of the configured waiting time. A random value; the access delay time value is equal to the product of the assigned waiting time value and the adjustment factor; the access delay time value is equal to the assigned waiting time value plus a random value.
  • the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.
  • the application of the technical solution of the present invention is not limited to the MTC terminal, and is not limited to the connection establishment and release process, and may be extended to all types of terminals, and may also be extended to other scenarios in which the terminal access is denied due to insufficient network resources.
  • the 110 alarm is considered to be a high priority application, and the short message belongs to a lower priority application).
  • Configure different latency control information for example, an embodiment of the present invention provides a terminal, and a schematic structural diagram thereof is shown in FIG. 3 .
  • the first determining unit 301 is configured to: when receiving the network side refusal message or the link release message, determine the waiting time for the terminal to re-access the network according to the access time control information configured by the network side; It is set to determine the access delay time of the terminal according to the waiting time; the access unit 303 is configured to initiate an access request to the network side when the waiting time exceeds the access delay time.
  • the access time control information that the first determining unit 301 can include includes: a waiting time factor or a waiting time value.
  • the first determining unit 301 determines the value of the waiting time according to the mapping relationship between the waiting time factor and the actual time;
  • the access time control information according to the unit includes the waiting time value, the first determining unit determines that the value of the waiting time is the same as the waiting time value included in the access time control information.
  • the second determining unit 302 may be further configured to: determine that the access delay time value is equal to the value of the waiting time; or determine that the access delay time value is equal to a random value between 0 and the waiting time value; or determine The delay time value is equal to the product of the waiting time value and the adjustment factor, wherein the adjustment factor is determined according to the RRC connection release signaling or the system message of the network side or the terminal and the network side protocol predefined; or determining that the access delay time value is equal to the waiting time The sum of the value and the random value.
  • the access time control information according to the first determining unit 301 may be determined by at least one of the following: a priority of the terminal in the network, a priority of the application service initiated by the terminal, and access of the terminal on the network side. grade.
  • the first determining unit 301 according to the access time control information, the priority of the terminal in the network, the priority of the application service initiated by the terminal, and the access level of the terminal on the network side. Waiting time factor or etc. included in the configured access time control information when the level is high to low The waiting time value is from small to large.
  • the embodiment of the present invention further provides a terminal access time control system. As shown in FIG.
  • the system mainly includes: an access time control unit 401, configured to configure a terminal in the network. Different access time control information; the waiting time determining unit 402 is configured to, after receiving the reject message on the network side, determine, according to the access time control information, a time to wait for re-accessing the network.
  • the access time determining unit 402 is located on the terminal side, and the access time control unit 401 is located on the network side, corresponding to the manner in which the network configures the access time control information.
  • the access time control unit 401 may also be located on the terminal side, corresponding to the manner in which the terminal configures the access time control information.
  • the access time control information configured by the access time control unit 401 includes: a waiting time factor or a waiting time value; the waiting time determining unit 402 is configured to, according to the waiting time factor or the waiting time value configured by the access time control unit 401, In the reject message or the link release message, the terminal determines, according to the assigned value, the time required to re-access the network. Further, the access time control unit 401 may be further configured to configure corresponding access time control for the terminals in the network according to the priority of the terminal, the priority of the application service initiated by the terminal, and/or the access level of the terminal.
  • the terminal determines the waiting time according to the access time control information, and determines the access delay time of the terminal according to the waiting time, and the terminal re- The time for accessing the network is not uniform. It avoids the impact on the network when a large number of terminals are connected at the same time, and even causes the network load to be overloaded.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different.
  • the steps shown or described herein are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un terminal et son procédé d'accès réseau, lequel procédé consiste à : déterminer, lors de la réception par le terminal d'un message de refus du côté réseau ou d'un message de libération du lien, la durée d'attente d'accès à nouveau au réseau par le terminal d'après l'information commandant la durée d'accès définie par le côté réseau; déterminer la durée de délai pour l'accès par le terminal d'après la durée d'attente; initialiser, lorsque la durée d'attente préalable du terminal équivaut ou est supérieure à la durée de délai d'accès, la demande d'accès au côté réseau. Grâce à l'invention, on résout le problème insoluble de l'art antérieur lié à l'encombrement inéluctable des entités de réseau central suite au refus de la demande par tous les terminaux MTC courants survenant au moment de la nouvelle initialisation de la connexion.
PCT/CN2011/080579 2010-11-05 2011-10-09 Terminal et son procédé d'accès réseau Ceased WO2012058997A1 (fr)

Applications Claiming Priority (2)

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CN2010105345541A CN102469514A (zh) 2010-11-05 2010-11-05 终端及其接入网络的方法
CN201010534554.1 2010-11-05

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CN102833257B (zh) * 2012-08-31 2015-08-12 小米科技有限责任公司 一种操作请求排队方法、相关设备及系统
CN103929776B (zh) * 2013-01-14 2018-03-23 中兴通讯股份有限公司 一种mtc设备接入网络的拥塞控制方法及装置
CN103747492A (zh) * 2014-01-08 2014-04-23 华为终端有限公司 终端接入长期演进网络的方法和终端
CN105101151B (zh) * 2014-05-12 2019-06-07 华为技术有限公司 近距离通信中取消业务授权的方法及设备
CN105592398A (zh) * 2014-10-22 2016-05-18 中兴通讯股份有限公司 机器类通信请求重发的处理方法及装置
CN107528678B (zh) * 2016-06-22 2021-10-29 大唐移动通信设备有限公司 一种系统消息更新的方法和设备
CN107969015A (zh) * 2017-11-06 2018-04-27 江苏省邮电规划设计院有限责任公司 一种5g物联网电力数据采集终端接入控制方法
US11963086B2 (en) 2018-09-21 2024-04-16 Beijing Xiaomi Mobile Software Co., Ltd. Method and apparatus for access control barring
CN111836263A (zh) * 2019-04-23 2020-10-27 华为技术有限公司 通信处理方法和通信处理装置
CN110187171A (zh) * 2019-06-25 2019-08-30 武汉阿迪克电子股份有限公司 一种快速入网机制的LoRaWAN电能表及入网方法
CN112637850B (zh) * 2020-11-30 2023-05-16 展讯半导体(成都)有限公司 鉴权异常的处理方法、系统及用户终端

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