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WO2012019652A1 - Procédé et appareil permettant de restreindre une collecte de minimisation de données de tests de commande dans un réseau en itinérance - Google Patents

Procédé et appareil permettant de restreindre une collecte de minimisation de données de tests de commande dans un réseau en itinérance Download PDF

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Publication number
WO2012019652A1
WO2012019652A1 PCT/EP2010/061837 EP2010061837W WO2012019652A1 WO 2012019652 A1 WO2012019652 A1 WO 2012019652A1 EP 2010061837 W EP2010061837 W EP 2010061837W WO 2012019652 A1 WO2012019652 A1 WO 2012019652A1
Authority
WO
WIPO (PCT)
Prior art keywords
user terminal
minimization
drive
parameter value
tests
Prior art date
Application number
PCT/EP2010/061837
Other languages
English (en)
Inventor
Gyula Bodog
Malgorzata Tomala
Original Assignee
Nokia Siemens Networks Oy
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 Nokia Siemens Networks Oy filed Critical Nokia Siemens Networks Oy
Priority to PCT/EP2010/061837 priority Critical patent/WO2012019652A1/fr
Publication of WO2012019652A1 publication Critical patent/WO2012019652A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Definitions

  • the exemplary and non-limiting embodiments of this invention relate generally to wireless communications networks, and more particularly to minimization of drive-tests.
  • background art may include insights, discoveries, understandings or disclosures, or associations together with disclosures not known to the relevant art prior to the present invention but provided by the invention. Some such contributions of the invention may be specifically pointed out below, whereas other such contributions of the invention may be specifically pointed out below, whereas other such contributions of the invention may be specifically pointed out below, whereas other such contributions of the invention may be specifically pointed out below, whereas other such contributions of the invention may be specifically pointed out below, whereas other such
  • MDT drive-tests
  • MDT data provides the network operator with valuable information on the network performance, thus reducing the need for separate drive-tests terminals.
  • an apparatus configured to determine a minimization of drive-tests parameter value for a user terminal, said parameter value indicating that collection of minimization of drive-tests data is not allowed in a roaming network regarding the user terminal, and to provide
  • an apparatus configured to receive, from a network apparatus, information on the minimization of drive- tests parameter value regarding a user terminal, the
  • the received parameter value in order to restrict collection of minimization of drive-tests data in the roaming network regarding the user terminal .
  • an apparatus configured to receive, from a network apparatus, information on a minimization of drive- tests parameter value for a user terminal, said parameter value indicating that collection of minimization of drive- tests data is not allowed in a roaming network regarding the user terminal, and to restrict the collection of minimization of drive-tests data in the roaming network regarding the user terminal based on the received minimization of drive-tests parameter value.
  • a computer readable memory embodying a program of instructions executable by a processor to perform actions of determining a minimization of drive-tests
  • parameter value for a user terminal said parameter value indicating that collection of minimization of drive-tests data is not allowed in a roaming network regarding the user terminal, and providing information on the parameter value to the user terminal in order to restrict collection of
  • a computer readable memory embodying a program of instructions executable by a processor to perform actions of receiving information on the minimization of drive-tests parameter value regarding a user terminal, the parameter value indicating that collection of minimization of drive-tests data is not allowed in a roaming network
  • a computer readable memory embodying a program of instructions executable by a processor to perform actions of receiving, from a network apparatus, information on a minimization of drive-tests parameter value for a user terminal, said parameter value indicating that collection of minimization of drive-tests data is not allowed in a roaming network regarding the user terminal, and restricting the collection of minimization of drive-tests data in the roaming network regarding the user terminal based on the received minimization of drive-tests parameter value.
  • Figure 1 shows a simplified block diagram illustrating an exemplary system architecture
  • Figure 2 shows a simplified block diagram illustrating exemplary apparatuses
  • Figure 3 shows a messaging diagram illustrating an exemplary messaging event according to an exemplary embodiment
  • Figure 4 shows a schematic diagram of a flow chart according to an exemplary embodiment
  • Figure 5 shows a schematic diagram of a flow chart according to another exemplary embodiment
  • Figure 6 shows a schematic diagram of a flow chart according to another exemplary embodiment.
  • the present invention is applicable to any user terminal, server, corresponding component, and/or to any communication system or any combination of different communication systems that support a minimization of drive-tests (MDT)
  • MDT drive-tests
  • the communication system may be a fixed communication system or a wireless communication system or a communication system utilizing both fixed networks and wireless networks.
  • the radio system is based on LTE network elements.
  • the invention described in these examples is not limited to the LTE radio systems but can also be implemented in other radio systems, such as UMTS
  • the presented solution may be applied between user equipment belonging to different but compatible systems such as LTE and UMTS.
  • a general architecture of a communication system is
  • Figure 1 is a simplified system architecture only showing some elements and functional entities, all being logical units whose implementation may differ from what is shown.
  • the connections shown in Figure 1 are logical connections; the actual physical connections may be different. It is apparent to a person skilled in the art that the systems also comprise other functions and
  • the exemplary radio system of Figure 1 comprises a public land mobile network 100 of a home network operator, the network 100 comprising a core network node 101.
  • the core network node 101 may include e.g. a home location register (HLR) , home subscriber server (HSS) , or any other core network element or a combination of core network elements.
  • the core network node 101 is connected to a public land mobile network 102 of a visited network operator, the network
  • the core network node 102 comprising a core network node 103.
  • VLR visitor location register
  • MSS MSC server
  • serving GPRS support node e.g. a mobility management system (GPRS)
  • mobility management system e.g. a mobility management system (GPRS)
  • MSC server MSC server
  • serving GPRS support node e.g. a mobility management system (GPRS)
  • MME management entity
  • the core network node 101 and the core network node 103 are connected to each other via a connection 104 or via one or more further network elements.
  • a base station 105 that may also be called eNB (enhanced node B) of the radio system hosts the functions for radio resource management in the visited public land mobile network 102.
  • Figure 1 shows a user equipment 106 located in the service area of the base station 105.
  • the user equipment refers to a portable computing device, and it may also be referred to as a user terminal.
  • Such computing devices include wireless mobile communication devices
  • SIM subscriber identification module
  • the user equipment 106 is capable of connecting to the base station 105 via a connection 107.
  • the core network node 103 may be connected to the base station e.g. via a radio network controller or directly via a
  • connection 108
  • Figure 1 only illustrates a simplified example.
  • the net-work may include more base stations and radio network controllers, and more cells may be formed by the base
  • the networks of two or more operators may overlap, the sizes and form of the cells may vary from what is
  • the communication system may also be able to communicate with other networks, such as a public switched telephone network.
  • networks such as a public switched telephone network.
  • the embodiments are not, however, restricted to the network given above as an example, but a person skilled in the art may apply the solution to other communication networks provided with the necessary
  • connections between different network elements may be realized with internet protocol (IP) connections .
  • IP internet protocol
  • Figure 2 illustrates examples of apparatuses according to embodiments of the invention.
  • Figure 2 shows a user equipment 106 located in the area of the base station or eNB 105.
  • the user equipment is configured to be in connection with the base station 105.
  • the user equipment or UE 106 comprises a controller 202 operationally connected to a memory 203 and a transceiver 204.
  • the controller 202 controls the operation of the user equipment 200.
  • the memory 203 is configured to store software and data.
  • the transceiver 204 is configured to set up and maintain a wireless connection to the base station 201.
  • the transceiver is operationally connected to a set of antenna ports 205 connected to an antenna arrangement 206.
  • the antenna arrangement 206 may comprise a set of antennas.
  • the number of antennas may be one to four, for example.
  • the number of antennas is not limited to any particular number.
  • the user equipment 106 may also comprise various other components, such as a user interface, camera, and media player.
  • the base station or eNB 105 comprises a
  • the controller 207 operationally connected to a memory 208 and a transceiver 209.
  • the controller 207 controls the operation of the base station 105.
  • the memory 208 is configured to store software and data.
  • the transceiver 209 is configured to set up and maintain a wireless connection to the user equipment 106 within the service area of the base station 105.
  • the transceiver 209 is operationally connected to an antenna arrangement 210.
  • the antenna arrangement may comprise a set of antennas. The number of antennas may be two to four, for example. The number of antennas is not limited to any
  • the base station may be operationally connected (directly or indirectly) to another network element 103 of the communication system.
  • the network element 103 may be a visitor location register (VLR) , MSC server (MSS) , serving GPRS support node, MME (mobility management entity) , a radio network controller (RNC) , a gateway, or a server, for example.
  • the base station may be connected to more than one network element.
  • the base station 105 may comprise an
  • the network element or VN 103 may comprise a controller 213 and a memory 214 configured to store software and data and an interface 215 configured to be in connection with the base station.
  • the network element 103 may be operationally connected (directly or indirectly) to another network element 101 of the communication system.
  • the network element 101 may be a home location register (HLR) , home subscriber server (HSS) , a database, a gateway, or a server, for example.
  • the network element or HN 101 may comprise a controller 217 and a memory 218 configured to store software and data and an interface 219 configured to be in connection with the network element 103.
  • the memory may include volatile and/or non- volatile memory and typically stores content, data, or the like.
  • the memory may store computer program code such as software applications (for example for the detector unit and/or for the adjuster unit) or operating systems, information, data, content, or the like for the processor to perform steps associated with operation of the apparatus in accordance with embodiments.
  • the memory may be, for example, random access memory (RAM) , a hard drive, or other fixed data memory or storage device. Further, the memory, or part of it, may be removable memory detachably connected to the apparatus.
  • an apparatus implementing one or more functions of a corresponding mobile entity described with an embodiment comprises not only prior art means, but also means for implementing the one or more functions of a corresponding apparatus described with an embodiment and it may comprise separate means for each separate function, or means may be configured to perform two or more functions.
  • these techniques may be implemented in hardware (one or more apparatuses) , firmware (one or more apparatuses) , software (one or more modules), or combinations thereof.
  • implementation can be through modules
  • the software codes may be stored in any suitable, processor/computer-readable data storage medium(s) or memory unit(s) or article (s) of manufacture and executed by one or more processors/computers.
  • the data storage medium or the memory unit may be implemented within the processor/computer or external to the processor/computer, in which case it can be communicatively coupled to the processor/computer via various means as is known in the art.
  • User equipment may refer to any user communication device.
  • a term "user equipment” as used herein may refer to any device having a communication capability, such as a wireless mobile terminal, a PDA, a smart phone, a personal computer (PC) , a laptop computer, a desktop computer, etc.
  • the wireless communication terminal may be an UMTS or GSM/EDGE smart mobile terminal having S60 operating system from Nokia Corporation.
  • the application capabilities of the device according to various embodiments of the invention may include native S60 applications avail-able in the terminal, or subsequently installed applications.
  • the messaging service center may be implemented in any network element, such as a server .
  • MDT data collection may be carried out on a user terminal having a certain IMSI or IMEI number, for a specific area, or for a combination of these.
  • IMSI or IMEI number for a specific area, or for a combination of these.
  • the selection of the user terminal is carried out, for example, on the basis of certain user terminal capabilities (e.g. memory capacity, battery capacity, GPS module availability, logging support, and/or general MDT specific signaling support) .
  • a solution for MDT capability restriction is provided.
  • a home network operator has the possibility to restrict the
  • the user terminal When the user terminal is roaming in a VPLMN the user terminal has a connection to the VPLMN operator' s network, and when MDT data collection is activated, the HPLMN operator has no possibility to act at that time in order to refuse any MDT data collection on the user terminal that is used by a HPLMN operator's subscriber.
  • HPLMN operator may not want to have a negative effect in service usage during roaming, and thus HPLMN operator may wish to limit the number of events experienced by the user terminal in the visited network.
  • MDT UE capability parameter is configurable by the HPLMN operator, and it indicates whether MDT data collection is allowed or not regarding the user terminal in question in roaming scenarios.
  • the configuration may be carried out via the network, i.e. the operator should be able to configure it from its network management system or from its provisioning system.
  • MDT UE capability parameter is added to a subscription management (SuM) information model.
  • the parameter may be on a user level.
  • MDT UE capability parameter may be provisioned to a HLR/UDR database via a SuM interface.
  • MDT UE capability parameter is stored in the
  • the value of the stored MDT UE capability parameter is signaled to the respective user terminal by kind of piggy backing it on the location update procedure or on any procedure that is between a home core network node (e.g. HLR/HSS) and a visited core network node (e.g. VLR/MSC server/SGSN/MME) .
  • the visited core network node forwards the value of the MDT UE capability parameter to the user terminal via non-access stratum (NAS) signaling.
  • NAS non-access stratum
  • the user terminal When the user terminal receives the MDT UE capability parameter the user terminal is arranged to set the related MDT UE capability parameter according to the received value (e.g. the MDT UE capability parameter may be set to "MDT data collection NOT allowed in the visited network regarding the user terminal") .
  • the MDT UE capability parameter may be set to "MDT data collection NOT allowed in the visited network regarding the user terminal"
  • an indication may be forwarded from HPLMN to VPLMN by using a subscription
  • parameter e.g. access restriction
  • a user profile data indicating to the visited network operator that MDT data collection is not allowed to be used for the user terminal in the visited network.
  • a first network apparatus HN which may comprise e.g. home location register (HLR) , determines, in step 301, a minimization of drive-tests parameter value for a user terminal UE .
  • the parameter value may indicate that collection of MDT data is not allowed in a roaming network VPLMN regarding the user terminal.
  • the determined MDT capability parameter value regarding the user terminal UE may be stored to a subscription database in step 301.
  • the user terminal UE may transmit a location update request message 302 to a second network apparatus VN.
  • the second network apparatus VN transmits a location update info request message 303 to the first network apparatus HN.
  • the first network apparatus HN In response to receiving, in step 304, the location update info request message, the first network apparatus HN
  • the user terminal receives the parameter and sets it accordingly (e.g. to the MDT UE capability parameter may be set to "MDT data collection NOT allowed in the visited network regarding the user terminal UE") in order to restrict collection of minimization of drive-tests data in a roaming network regarding the user terminal.
  • the MDT data collection restriction may be triggered in response to receiving, in HN, any other message related to a mobile-terminated procedure regarding the user terminal.
  • VN (or some other roaming network node) may transmit an MDT signal, the signal indicating that the user terminal is requested to provide minimization of drive-tests data to the roaming network.
  • the user terminal In response to receiving the MDT signal in the user terminal UE, the user terminal is configured to check 309 the minimization of drive-tests parameter value regarding the user terminal, wherein if the minimization of drive-tests parameter value regarding the user terminal indicates that collection of minimization of drive-tests data is not allowed in the roaming network regarding the user terminal, the user
  • the terminal UE refuses to provide MDT data regarding the user terminal UE to the visited network VPLMN. Then the user terminal may or may not send an indication to the roaming network that collection of MDT data is not allowed in the roaming network regarding the user terminal .
  • HN transmits to the roaming network VPLMN an indication that collection of minimization of drive-tests data is not allowed in the roaming network regarding the user terminal, wherein the VPLMN is configured to restrict MDT data collection for the user terminal UE (wherein the steps 306, 307, 308, 309 are not necessary) .
  • the indication may be forwarded from HPLMN to VPLMN by using a subscription
  • FIG. 4 is a flow chart illustrating a non-limiting example
  • the network element determines the user equipment specific value of the MDT capability restriction parameter.
  • the network element stores the value e.g. to the HLR/UDR database.
  • the network element receives a location update info request from a visited network element regarding the user terminal.
  • the network element transmits the parameter value to UE and/or to VN.
  • Figure 5 is a flow chart illustrating a non-limiting
  • the network element receives a location update request message (or some other UE- related message) from the user terminal.
  • the network element transmits a location update info request message to a home network element.
  • the network element receives the user equipment specific value of the MDT capability restriction parameter from HN.
  • the network element may transmit the value e.g. to the user terminal.
  • the network element may transmit an MDT signal to the user terminal (or the network element may restrict the MDT data collection based on step 503, wherein steps 504, 505 are not necessary) .
  • Figure 6 is a flow chart illustrating a non-limiting
  • step 601 the user equipment transmits a location update request message to a visited network element.
  • step 602 the user equipment receives the user equipment specific value of the MDT capability restriction parameter from VN.
  • step 603 the user equipment sets the value of parameter.
  • step 604 the user equipment may receive an MDT signal from VN.
  • step 604 the user equipment checks the parameter value and if the parameter value is set to indicate that MDT data collection NOT allowed in the visited network regarding the user equipment, the user equipment refuses to provide MDT data to the visited network.
  • an exemplary embodiment enables determining 301, in a home network element HN, an MDT parameter value for a user terminal UE, the parameter value indicating whether or not collection of minimization of drive-tests data is allowed in a roaming network regarding the user terminal.
  • Information on the parameter value is provided 305, 306 from a network apparatus HN, VN to the user terminal UE in order to restrict collection of minimization of drive-tests data in the roaming network regarding the user terminal UE .
  • the provision of the parameter to the user terminal UE is performed e.g. in connection with a location update procedure of the user terminal UE in the roaming network.
  • the messages may also contain other information.
  • An apparatus able to perform the above-described steps may be implemented as an electronic digital computer, which may comprise a working memory (RAM) , a central processing unit (CPU), and a system clock.
  • the CPU may comprise a set of registers, an arithmetic logic unit, and a control unit.
  • the control unit is controlled by a sequence of program
  • the control unit may contain a number of microinstructions for basic operations. The implementation of microinstructions may vary depending on the CPU design.
  • the program instructions may be coded by a programming language, which may be a high-level programming language, such as C, Java, etc., or a low-level programming language, such as a machine language, or an assembler.
  • the electronic digital computer may also have an operating system, which may provide system services to a computer program written with the program instructions.
  • An embodiment provides a computer program embodied on a distribution medium, comprising program instructions which, when loaded into an electronic apparatus, are configured to control the MDT data collection restriction of a user
  • the computer program may be in source code form, object code form, or in some intermediate form, and it may be stored in some sort of carrier, which may be any entity or device capable of carrying the program.
  • carrier include a record medium, computer memory, read-only memory, an
  • the computer program may be executed in a single electronic digital computer or it may be
  • the apparatus may also be implemented as one or more
  • VLR visitor location register

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

Abstract

La présente solution consiste à déterminer (301), dans un élément de réseau domestique (HN), une valeur de paramètre MDT pour un terminal utilisateur (UE), la valeur de paramètre indiquant si une collecte de minimisation de données de tests de commande est autorisée dans un réseau en itinérance en ce qui concerne le terminal utilisateur. Des informations relatives à la valeur de paramètre sont fournies (305, 306) à partir d'un appareil de réseau (HN, VN) au terminal utilisateur (UE) afin de restreindre une collecte de minimisation de données de tests de commande dans le réseau en itinérance en ce qui concerne le terminal utilisateur (UE). La fourniture du paramètre au terminal utilisateur (UE) est réalisée, par exemple, en connexion avec une procédure de mise à jour de position du terminal utilisateur (UE) dans le réseau en itinérance.
PCT/EP2010/061837 2010-08-13 2010-08-13 Procédé et appareil permettant de restreindre une collecte de minimisation de données de tests de commande dans un réseau en itinérance WO2012019652A1 (fr)

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US20140219130A1 (en) * 2010-11-03 2014-08-07 Mediatdk, Inc. Method of Correlating Measurement Result
US9713025B2 (en) * 2010-11-03 2017-07-18 Mediatek Inc. Method of correlating measurement result
US10595221B2 (en) 2010-11-03 2020-03-17 Hfi Innovation, Inc. Method of MDT information logging and reporting
EP2695417B1 (fr) * 2011-04-04 2024-11-27 Nokia Solutions and Networks Oy Exclure des utilisateurs itinérants d'une transmission de données mdt basée sur une zone
US20140066021A1 (en) * 2011-04-28 2014-03-06 Ntt Docomo, Inc. Mobile communication method, radio base station and mobile management node
WO2013172758A1 (fr) * 2012-05-14 2013-11-21 Telefonaktiebolaget L M Ericsson (Publ) Configuration de localisation pour rendre des informations de localisation disponibles dans un équipement utilisateur
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CN104093162A (zh) * 2014-01-27 2014-10-08 中兴通讯股份有限公司 一种mbms最小化路测的方法、系统、基站和ue
WO2015109694A1 (fr) * 2014-01-27 2015-07-30 中兴通讯股份有限公司 Procédé et système de réduction à un minimum des essais de qualité de service de mbms, station de base et ue

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