WO2010054544A1 - Procédé de radiomessagerie dans un système évolué de domaine paquet de communication mobile - Google Patents

Procédé de radiomessagerie dans un système évolué de domaine paquet de communication mobile Download PDF

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Publication number
WO2010054544A1
WO2010054544A1 PCT/CN2009/071428 CN2009071428W WO2010054544A1 WO 2010054544 A1 WO2010054544 A1 WO 2010054544A1 CN 2009071428 W CN2009071428 W CN 2009071428W WO 2010054544 A1 WO2010054544 A1 WO 2010054544A1
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WO
WIPO (PCT)
Prior art keywords
paging
mme
service request
considered
fails
Prior art date
Application number
PCT/CN2009/071428
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English (en)
Chinese (zh)
Inventor
叶敏雅
丁燕菁
刘西亮
Original Assignee
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
Publication of WO2010054544A1 publication Critical patent/WO2010054544A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/04—User notification, e.g. alerting and paging, for incoming communication, change of service or the like multi-step notification using statistical or historical mobility data

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method for paging in a mobile communication packet domain evolution system.
  • the 3GPP (3rd Generation Partnership Project) project for the next generation of mobile wireless networks is called the Evolved Packet System (EPS).
  • EPS Evolved Packet System
  • Figure 1 The architecture of the EPS is shown in Figure 1, which includes the following network elements:
  • E-RAN Evolved RAN, Evolved RAN
  • E-RAN Evolved RAN
  • the network element included in E-RAN is eNodeB (Evolved NodeB). ), the eNodeB provides radio resources for terminal access.
  • HSS Home Subscriber Server
  • HSS Home Subscriber Server
  • PDN Packet Data Network
  • E-Packet Core evolved packet network's core network
  • the MME Mobility Management Entity
  • the MME Mobility Management Entity
  • the MME is a control plane function entity that temporarily stores user data. It is responsible for managing and storing the UE (User Equipment) context (such as user ID, mobility management status, and user security parameters). And so on, assigning a temporary identifier to the user, when the UE is camped on the tracking area or the network is responsible for authenticating the user, processing all non-access stratum messages between the MME and the UE, triggering in SAE (System Architecture Evolution, System architecture evolution) paging, etc.
  • SAE System Architecture Evolution, System architecture evolution
  • Serving GW which is a user plane entity, is responsible for user plane data routing processing, and terminates downlink data of UEs in idle state; manages and stores the SAE bearer context of the UE, such as IP bearer service parameters and Internal routing information, etc. of the network.
  • Serving GW is the anchor point of the internal user plane of the 3GPP system. A user can only have one Serving at a time. GW.
  • the PDN GW (PDN Gateway, Packet Data Network Gateway) allocates the user's IP address to the gateway responsible for the UE accessing the PDN. It is also the mobility anchor of the 3GPP and non-3GPP access systems. Users can access more at the same time. PDN GW.
  • PCRF Policy and Charging Rule Functionality
  • Qos Quality of Service
  • the functional entity can also control the establishment and release of bearers in the access network.
  • Serving GW and PDN GW may be one.
  • the UE In the EPS system, the UE is registered in a TA (Tracking Area), and each TA is composed of one or more cells.
  • TAU Track Area Update
  • the MME may allocate multiple TAs to the UE to form a registration area of the UE, and the registration area is represented by a TA list. If the UE is in one of the TAs of the TA list received from the MME, then the periodic location update is performed. The UE does not initiate an update request.
  • the MME will initiate Paging in all cells of the TA list registered by the UE, which brings about problems: while reducing TAU signaling, the paging range is increased, and radio resources are consumed. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a method for paging in a mobile communication packet domain evolution system, so as to improve the paging efficiency of the EPS system and reduce the occupation of radio resources.
  • a method for paging in a mobile communication packet domain evolution system of the present invention when a paging user terminal UE needs to be paged, the mobility management entity MME initiates to the UE in the tracking area TA of the last valid registration of the UE. First page.
  • the MME sets the first paging waiting time while initiating the first paging to the UE, and if the MME receives the service request initiated by the UE as the paging response in the first paging waiting time, The first page is considered successful; otherwise, the first page fails. Further, when the first paging fails, the MME initiates a second paging to the UE within the range of the neighboring TA of the last validly registered TA of the UE.
  • the MME determines, according to the configured topology map of the TA, the neighboring TA of the TA that is last validly registered by the UE.
  • topology diagram of the TA is configured according to the location location distribution of the TA.
  • the adjacent TA refers to a TA adjacent to the area.
  • the MME initiates a third paging to the UE within a range of the TA in which the paging has not been performed in the TA list of the UE.
  • the MME sets a third paging waiting time while initiating the third paging to the UE, and if the MME receives the service request initiated by the UE as the paging response in the third paging waiting time, The third page is considered successful; otherwise, the third page fails.
  • the MME initiates a second paging to the UE within the TA range in which the paging has not been performed.
  • the MME sets a second paging waiting time when the UE initiates the second paging, and if the MME receives the service request initiated by the UE as the paging response in the second paging waiting time, The second page is considered successful; otherwise, the second page fails.
  • the present invention initiates a first paging to the UE in the last validly registered TA of the UE, and initiates a second paging in the TA adjacent to the TA that is effectively registered by the UE if the paging fails. If the paging fails again, paging is initiated in the remaining TAs of the TA list of the UE, and the present invention can improve the effectiveness of paging and save system radio resources in the evolved packet system.
  • FIG. 1 is an architectural diagram of an EPS system in the prior art
  • FIG. 5 is a flowchart of processing a paging timeout according to an application example of the present invention. Preferred embodiment of the invention
  • the core of the invention is: When the paging is initiated, the eNodeB is preferentially paged within the most likely, smallest range of TAs. In most cases, the range of activity of the UE in a limited time is generally in the recently used TA (that is, the last time the UE is attached or the last time the TAU is updated, that is, the last valid TA registered by the UE) or Within the range of the TA area adjacent thereto, the paging may be performed in the TA area that is recently registered by the user or the TA area adjacent thereto, and it is not necessary to cover all the TA lists of the UE, thereby effectively improving the paging. s efficiency.
  • Step 1 Configure a topology diagram of the TA in the MME.
  • a topology map can be configured according to the location distribution of the TA.
  • Step 2 When a user needs to be paged, the MME first performs paging within the range of the last validly registered TA of the UE before the saved paging, and if the paging is successful, sends a downlink message to the paging UE. Order or downlink data, the process ends, otherwise go to step 3;
  • the paging waiting time can be set. If the response is not received within the paging waiting time, the paging is considered to be unsuccessful and the next step is taken.
  • Step 3 The MME performs paging in the neighboring TA of the last validly registered TA before paging according to the configured topology diagram. If the paging succeeds, the downlink signaling or downlink data is sent to the paging UE. , the process ends, otherwise go to step 4;
  • the adjacent TA refers to each TA adjacent to the last valid TA position of the UE.
  • Step 4 The MME performs paging in the TA list range of the UE (excluding the paged area), and if the paging succeeds, sends downlink signaling or downlink data to the paging UE, if there is still no response, The page failed.
  • the paging time, the paging number and the paging range can be flexibly configured.
  • the first paging waiting time, the second paging waiting time, and the third paging waiting time may be separately set; or may be set to be directly searched in the entire TA list when the paging is unsuccessful. Paging in the range of the called TA.
  • an application example of the present invention describes a first paging process, and the paging process is as follows:
  • Step 200 The MME initiates a first paging request because the downlink signaling or the downlink data is triggered.
  • the paging range is the last used TA of the UE (that is, the TA that is last validly registered by the UE), and the UE that is to be locally reserved.
  • the TAI (Tracking Area Identifier) of the TA that has been recently registered is sent to the eNodeB corresponding to the TA, and the paging waiting time is set by starting the first paging timer at the time of paging;
  • Step 201 The eNodeB that receives the message only pages the UE within the range of the TA. After the paging succeeds before the first paging timer expires, the UE initiates a Service Request process, and its Service Type. Respond for paging;
  • Step 202 The MME determines that the Service Type indication of the process is a paging trigger response, the Service Request process ends, and the paging process succeeds, the MME terminates the first paging timer, and sends downlink signaling to the paging UE. Or downlink data.
  • an application example of the present invention describes a process in which the MME continues the second paging after the first paging failure, and the paging process is as follows:
  • Step 300 If the paging response is not received when the first paging timer expires, the MME initiates a second paging request, and learns the TA that is the last valid registration with the UE according to the topology map of the TA.
  • the neighboring TA uses the neighboring TA as the second paging range, and sends the TAI of the neighboring TA to all corresponding eNodeBs; meanwhile, the MME sets a second paging timer;
  • Step 301 All received The eNodeB to the message pages the UE in the neighboring TA range.
  • Step 302 Before the second paging timer expires, the MME receives a Service Request procedure initiated by an eNodeB, and the Service Type is a paging response.
  • the Service Type indicates that the Service Request is triggered by the paging, and the Service Request process ends. If the paging process is successful, the MME terminates the second paging timer and sends downlink signaling or downlink data to the paging UE.
  • FIG. 4 is an application example of the present invention, and describes that the MME fails in the second paging.
  • the paging process is as follows:
  • Step 400 If the paging response is still not received when the second paging timer expires, the MME initiates a third paging request Paging, where the paging range is all TAs in the TA list of the UE, and the MME will The TAIs of all TAs are sent to all corresponding eNodeBs; meanwhile, the MME sets a third paging timer;
  • the MME may also remove the paged TA when the third paging request is initiated, and only perform paging in the TA range that has not been paged, that is, the paging is not performed in the TA list.
  • the TA of the TA is sent to the relevant eNodeB;
  • Step 401 The eNodeB that receives the message advertises the UE in the specified TA range.
  • Step 402 Before the third paging timer expires, the MME receives the service request process of the eNodeB initiated by the UE, and the Service Type is The paging response, the MME determines that the Service Type indication in this flow is a Service Request triggered by the paging, and the Service Request process ends. If the paging process is successful, the MME terminates the third paging timer and sends downlink signaling or downlink data to the paging UE.
  • the paging may be initiated again according to the procedure shown in FIG. 5, or Directly terminate the paging process (if the third paging fails, the paging process is terminated directly).
  • the processing procedure of the paging timeout includes the following steps: Step 500: The MME initiates a paging procedure to the corresponding eNodeB, and sets a paging timer at the same time; Step 501: Receive a message The eNodeB pages the UE within the specified TA range, the paging does not respond, and the paging timer set by the MME times out;
  • Step 502 After the paging timer expires, the MME initiates paging for the UE again, or considers that the paging fails, and terminates the paging process.

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  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de radiomessagerie dans un système évolué de domaine paquet de communication mobile. Lorsqu'il est nécessaire d’appeler un équipement utilisateur (UE), une entité de gestion de mobilité (MME) déclenche un premier radiomessage pour l’UE dans la dernière zone de localisation (TA) où l’UE a été enregistré avec succès. Grâce à l’invention, le premier radiomessage à l’UE est déclenché dans la dernière TA enregistrée avec succès par l'UE. Si l'appel échoue, un second appel sera alors déclenché dans une TA adjacente à la TA que l’UE a enregistrée avec succès, et si l'appel échoue de nouveau, il sera alors déclenché dans les autres TA figurant dans la liste de TA de l’UE. Dans un système de paquet évolué, l’invention pourrait améliorer la disponibilité de la radiomessagerie, et les ressources sans fil du système pourraient être préservées.
PCT/CN2009/071428 2008-11-11 2009-04-23 Procédé de radiomessagerie dans un système évolué de domaine paquet de communication mobile WO2010054544A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810176431.8 2008-11-11
CN200810176431A CN101742645A (zh) 2008-11-11 2008-11-11 一种移动通讯分组域演进系统中寻呼的方法

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EP2410799A1 (fr) * 2010-07-21 2012-01-25 Vodafone Holding GmbH Procédé pour la réduction de la zone de recherche pour un terminal mobile et un système de communication correspondant

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CN102316580A (zh) * 2010-07-02 2012-01-11 华为技术有限公司 移动性寻呼方法、装置及系统
CN102413449B (zh) * 2010-09-19 2015-06-03 中兴通讯股份有限公司 重启移动性管理单元的处理方法及移动性管理单元
EP2930986B1 (fr) * 2012-12-31 2017-12-27 Huawei Technologies Co., Ltd. Procédé et dispositif de gestion de mobilité
TWI487414B (zh) * 2013-05-23 2015-06-01 Chunghwa Telecom Co Ltd Mobile network dynamic selection paging method
EP3069561A4 (fr) * 2013-11-12 2017-06-28 Telefonaktiebolaget LM Ericsson (publ) Procédé et appareil de recherche intelligente d'un équipement d'utilisateur dans un ensemble d'entités mme
CN105611632A (zh) * 2014-11-19 2016-05-25 中兴通讯股份有限公司 寻呼方法、装置和系统
JP6431206B2 (ja) * 2015-03-06 2018-11-28 エルジー エレクトロニクス インコーポレイティド ページングシグナリングを減少させるための方法及び装置

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CN1826014A (zh) * 2005-02-24 2006-08-30 朗迅科技公司 定制的位置区域群集寻呼
CN101068370A (zh) * 2006-04-07 2007-11-07 华为技术有限公司 用户设备寻呼方法及系统

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CN1826014A (zh) * 2005-02-24 2006-08-30 朗迅科技公司 定制的位置区域群集寻呼
CN101068370A (zh) * 2006-04-07 2007-11-07 华为技术有限公司 用户设备寻呼方法及系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2410799A1 (fr) * 2010-07-21 2012-01-25 Vodafone Holding GmbH Procédé pour la réduction de la zone de recherche pour un terminal mobile et un système de communication correspondant

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