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WO2013141204A1 - Mobile station - Google Patents

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Publication number
WO2013141204A1
WO2013141204A1 PCT/JP2013/057659 JP2013057659W WO2013141204A1 WO 2013141204 A1 WO2013141204 A1 WO 2013141204A1 JP 2013057659 W JP2013057659 W JP 2013057659W WO 2013141204 A1 WO2013141204 A1 WO 2013141204A1
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WIPO (PCT)
Prior art keywords
mobile station
function
rrc layer
location
wireless chip
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PCT/JP2013/057659
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French (fr)
Japanese (ja)
Inventor
ウリ アンダルマワンティ ハプサリ
敦史 植木
健一郎 青柳
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NTT Docomo Inc
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NTT Docomo Inc
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Publication of WO2013141204A1 publication Critical patent/WO2013141204A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present invention relates to a mobile station.
  • the LTE (Long Term Evolution) method collects measurement results of predetermined radio quality in a real environment from a mobile station UE, thereby reducing the labor and cost of a driving test (Drive Test) performed by a communication carrier. (Minimization of Drive Tests, measurement running test) is defined.
  • the radio base station eNB in addition to the measurement result of the predetermined radio quality reported by the mobile station UE (RSRP: Reference Signal Received Power, RSRQ: Reference Signal Received Quality), the location information (Location) of the mobile station UE (Information) is reported to an operation and maintenance server OAM (Operation And Maintenance).
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • the RRC (Radio Resource Control) layer function in the conventional LTE scheme has a problem in that it cannot acquire the location information of the mobile station UE.
  • the present invention has been made in view of the above-described problems, and provides a mobile station capable of appropriately acquiring position information to be reported in MDT in cooperation with an OS function and an RRC layer function.
  • the purpose is to do.
  • a first feature of the present invention is a mobile station having an OS function and a wireless chip, and the RRC layer function in the wireless chip has a predetermined timing with respect to the OS function when MDT is set.
  • the mobile station is configured to request to notify the location information of the mobile station.
  • a second feature of the present invention is a mobile station having an OS function and a wireless chip, and the RRC layer function in the wireless chip is configured to move the mobile terminal with respect to the OS function when MDT is set. It is configured to request to notify the updated location information at a timing when the location information of the station is updated, and the OS function is provided in the wireless chip at a timing at which the location information is updated. The gist is that the updated location information is notified to the RRC layer function.
  • a third feature of the present invention is a mobile station having an OS function and a wireless chip, and the RRC layer function in the wireless chip has the predetermined timing regardless of whether MDT is set or not.
  • the gist is that it is configured to request the OS function to notify the location information of the mobile station.
  • a fourth feature of the present invention is a mobile station having an OS function and a wireless chip, and the OS function is independent of whether or not MDT is set in the RRC layer function in the wireless chip.
  • the gist is that the updated location information is notified to the RRC layer function in the radio chip at the timing when the location information of the mobile station is updated.
  • FIG. 1 is a diagram showing a configuration in a mobile station according to the first embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a configuration in the mobile station according to the second embodiment of the present invention.
  • the mobile station UE includes an OS function 1 and a wireless chip 2.
  • the OS function 1 includes a location framework (location manager) 11 and a location library (location listener / provider) 12.
  • the location framework (location manager) 11 is configured to instruct the location library (location listener / provider) 12 to acquire the location information of the mobile station UE.
  • the location framework (location manager) 11 acquires the movement acquired from the location library (location listener / provider) 12 for the application. It is configured to notify the location information of the station UE.
  • the Location Library (Location Listener / Provider) 12 has a positioning function 12A for WiFi, a positioning function 12B for Radio, a positioning function 12 for GNSS (Global Navigation Satelite System), etc.
  • GNSS Global Navigation Satelite System
  • the Location Library (Location Listener / Provider) 12 is a positioning function 12A for WiFi, a positioning function 12B for Radio, and a GNSS (sporting function) for the GNNas (sporting glob).
  • the mobile station UE is configured to instruct to acquire the position information of the mobile station UE.
  • the Location Library (Location Listener / Provider) 12 is a positioning function 12A for WiFi, a positioning function 12B for Radio, a position information function position UE 12 for GNSS (Global Navigation Satelite System), and a positioning function UE position for the GNSS (Global Navigation State System). It may be instructed to notify the updated location information of the mobile station UE at the timing when is updated.
  • GNSS Global Navigation Satelite System
  • UE position Global Navigation State System
  • the WiFi positioning function 12A is configured to acquire the location information of the mobile station UE via the WiFi function.
  • the radio positioning function 12B is configured to acquire the location information of the mobile station UE via the wireless chip 2.
  • the GNSS positioning function 12C is configured to acquire the position information of the mobile station UE via the GNSS.
  • the wireless chip 2 has a function corresponding to the protocol stack in the LTE system. Specifically, the wireless chip 2 includes an RRC layer function 21, a wireless protocol layer function 22, and the like.
  • the radio protocol layer function 22 has a physical layer function, a MAC (Media Access Control) layer function, an RLC (Radio Link Control) layer function, a PDCP (Packet Data Conversion Protocol) layer function, and the like. .
  • MAC Media Access Control
  • RLC Radio Link Control
  • PDCP Packet Data Conversion Protocol
  • the RRC layer function 21 may be configured to request the location framework (location manager) 11 to notify the location information of the mobile station UE at a predetermined timing when MDT is set. .
  • the RRC layer function 21 is configured to make such a request at a timing at which the Event is satisfied (or at a timing just before the Event is satisfied). Also good.
  • the RRC layer function 21 may be configured to make such a request at the same cycle as “MDT measurement period”.
  • the RRC layer function 21 may be configured to make such a request via an interface (A-IF) established between the location framework (location manager) 11 and the RRC layer function 21. Good.
  • A-IF interface
  • the Location Framework (Location Manager) 11 is configured to transmit the acquired location information of the mobile station UE to the RRC layer function 21 via the above-described interface (A-IF). May be.
  • the location framework (location manager) 11 receives the location information of the mobile station UE acquired in order to notify the RRC layer function 21 of the location information of the mobile station UE to the application that requires the location information. May be configured to notify the RRC layer function 21, or may be configured to notify the newly acquired location information of the mobile station UE.
  • the RRC layer function 21 notifies the OS function 1 of the updated location information of the mobile station UE at the timing when the location information of the mobile station UE is updated when the MDT is set. It may be configured to require.
  • the RRC layer function 21 may be configured to make such a request via the above-described interface (A-IF).
  • the location framework (location manager) 11 updates the mobile station updated with respect to the RRC layer function 21 via the interface (A-IF) at the timing when the location information of the mobile station UE is updated. You may be comprised so that the positional information on UE may be notified.
  • the RRC layer function 21 requests the Location Framework (Location Manager) 11 to notify the location information of the mobile station UE at a predetermined timing regardless of whether or not MDT is set. It may be configured.
  • Location Framework Location Manager
  • the RRC layer function 21 may be configured to make such a request via the above-described interface (A-IF).
  • the location framework (location manager) 11 sends the RRC layer function 21 to the RRC layer function 21 via the above-described interface (A-IF) at a predetermined timing, for example, at a timing when the location information of the mobile station UE is updated.
  • the mobile station UE may be configured to notify the updated location information of the mobile station UE.
  • the Location Framework (Location Manager) 11 sends the location information of the mobile station UE to the RRC layer function 21 at the timing when it is updated.
  • the mobile station UE may be configured to notify the updated location information of the mobile station UE.
  • the RRC layer function 21 can acquire the location information of the mobile station UE that needs to be reported when the MDT is set from the OS function 1 at an appropriate timing. .
  • Mobile communication system Mobile communication system according to the second embodiment of the present invention
  • the mobile station UE which concerns on the 2nd Embodiment of this invention is demonstrated.
  • the mobile station UE according to the second embodiment of the present invention will be described by focusing on differences from the above-described mobile station UE according to the first embodiment.
  • the interface (A-IF) is not between the location framework (location manager) 11 and the RRC layer function 21, It is set between the Location Library (Location Listener / Provider) 12 and the RRC layer function 21.
  • the first feature of the present embodiment is a mobile station UE having an OS function 1 and a wireless chip 2, and the RRC layer function 21 in the wireless chip 1 has a predetermined timing when MDT is set,
  • the gist is that it is configured to request the OS function 1 to notify the location information of the mobile station UE.
  • the second feature of the present embodiment is a mobile station UE having an OS function 1 and a wireless chip 2, and the RRC layer function 21 in the wireless chip 2 is set to the OS function 1 when MDT is set.
  • the mobile station UE is configured to request to notify the updated location information of the mobile station UE at the timing when the location information of the mobile station UE is updated.
  • the gist of the present invention is that the updated location information of the mobile station UE is notified to the RRC layer function 21 in the wireless chip 2 at the time when is updated.
  • a third feature of the present embodiment is a mobile station UE having an OS function 1 and a wireless chip 2, and the RRC layer function 21 in the wireless chip 2 is independent of whether or not MDT is set.
  • the gist is that it is configured to request the OS function 1 to notify the location information of the mobile station UE at a predetermined timing.
  • a fourth feature of the present embodiment is a mobile station UE having an OS function 1 and a radio chip 2, and whether or not MDT is set in the RRC layer function 21 in the radio chip 2,
  • the OS function 1 is configured to notify the updated location information of the mobile station UE to the RRC layer function 21 in the wireless chip 2 at the timing when the location information of the mobile station UE is updated. Is the gist.
  • the operation of the mobile station UE described above may be implemented by hardware, may be implemented by a software module executed by a processor, or may be implemented by a combination of both.
  • Software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, and Hard Disk). Alternatively, it may be provided in an arbitrary format storage medium such as a CD-ROM.
  • the storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Such a storage medium and processor may be provided in the ASIC. Such an ASIC may be provided in the mobile station UE. Further, the storage medium and the processor may be provided in the mobile station UE as a discrete component.
  • the OS function and the RRC layer function cooperate to provide a mobile station that can appropriately acquire position information to be reported in MDT.
  • UE ... mobile station 1 ... OS function 11 ... Location Framework (Location Manager) 12 ... Location Library (Location Listener / Provider) 2 ... Wireless chip 21 ... RRC layer function 22 ... Wireless protocol layer function

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

Abstract

An OS function and an RRC layer function work in cooperation to acquire, in an appropriate manner, position information to be reported in an MDT. In this mobile station (UE), an RRC layer function (21) in a wireless chip (1) is configured to communicate the position information for the mobile station (UE) to the OS function (1) at a predetermined timing if an MDT has been set.

Description

移動局Mobile station

　本発明は、移動局に関する。 The present invention relates to a mobile station.

　ＬＴＥ（Ｌｏｎｇ　Ｔｅｒｍ　Ｅｖｏｌｕｔｉｏｎ）方式では、移動局ＵＥから、実環境における所定無線品質の測定結果を収集することによって、通信事業者によって行われる走行試験（Ｄｒｉｖｅ　Ｔｅｓｔ）による手間やコストを削減する「ＭＤＴ（Ｍｉｎｉｍｉｓａｔｉｏｎ　ｏｆ　Ｄｒｉｖｅ　Ｔｅｓｔｓ、測定走行試験）」という手法が規定されている。 The LTE (Long Term Evolution) method collects measurement results of predetermined radio quality in a real environment from a mobile station UE, thereby reducing the labor and cost of a driving test (Drive Test) performed by a communication carrier. (Minimization of Drive Tests, measurement running test) is defined.

　かかるＭＤＴでは、無線基地局ｅＮＢは、移動局ＵＥによって報告された所定無線品質の測定結果（ＲＳＲＰ：Ｒｅｆｅｒｅｎｃｅ　Ｓｉｇｎａｌ　Ｒｅｃｅｉｖｅｄ　Ｐｏｗｅｒ、ＲＳＲＱ：Ｒｅｆｅｒｅｎｃｅ　Ｓｉｇｎａｌ　Ｒｅｃｅｉｖｅｄ　Ｑｕａｌｉｔｙ）に加えて、移動局ＵＥの位置情報（Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ）を、運用保守サーバＯＡＭ（Ｏｐｅｒａｔｉｏｎ　Ａｎｄ　Ｍａｉｎｔｅｎａｎｃｅ）に対して報告するように構成されている。 In such MDT, the radio base station eNB, in addition to the measurement result of the predetermined radio quality reported by the mobile station UE (RSRP: Reference Signal Received Power, RSRQ: Reference Signal Received Quality), the location information (Location) of the mobile station UE (Information) is reported to an operation and maintenance server OAM (Operation And Maintenance).

３ＧＰＰ　３７.３２０3GPP 37.320

　しかしながら、従来のＬＴＥ方式におけるＲＲＣ（Ｒａｄｉｏ　Ｒｅｓｏｕｒｃｅ　Ｃｏｎｔｒｏｌ）レイヤ機能は、移動局ＵＥの位置情報を取得することができないという問題点があった。 However, the RRC (Radio Resource Control) layer function in the conventional LTE scheme has a problem in that it cannot acquire the location information of the mobile station UE.

　そこで、本発明は、上述の課題に鑑みてなされたものであり、ＯＳ機能とＲＲＣレイヤ機能とが協働して、ＭＤＴにおいて報告すべき位置情報を適切に取得することができる移動局を提供することを目的とする。 Therefore, the present invention has been made in view of the above-described problems, and provides a mobile station capable of appropriately acquiring position information to be reported in MDT in cooperation with an OS function and an RRC layer function. The purpose is to do.

　本発明の第１の特徴は、ＯＳ機能及び無線チップを具備する移動局であって、前記無線チップ内のＲＲＣレイヤ機能は、ＭＤＴが設定されている場合、所定タイミングで、前記ＯＳ機能に対して、前記移動局の位置情報を通知するように要求するように構成されていることを要旨とする。 A first feature of the present invention is a mobile station having an OS function and a wireless chip, and the RRC layer function in the wireless chip has a predetermined timing with respect to the OS function when MDT is set. In summary, the mobile station is configured to request to notify the location information of the mobile station.

　本発明の第２の特徴は、ＯＳ機能及び無線チップを具備する移動局であって、前記無線チップ内のＲＲＣレイヤ機能は、ＭＤＴが設定された時点で、前記ＯＳ機能に対して、前記移動局の位置情報が更新されたタイミングで、更新された該位置情報を通知するように要求するように構成されており、前記ＯＳ機能は、前記位置情報が更新されたタイミングで、前記無線チップ内のＲＲＣレイヤ機能に対して、更新された該位置情報を通知するように構成されていることを要旨とする。 A second feature of the present invention is a mobile station having an OS function and a wireless chip, and the RRC layer function in the wireless chip is configured to move the mobile terminal with respect to the OS function when MDT is set. It is configured to request to notify the updated location information at a timing when the location information of the station is updated, and the OS function is provided in the wireless chip at a timing at which the location information is updated. The gist is that the updated location information is notified to the RRC layer function.

　本発明の第３の特徴は、ＯＳ機能及び無線チップを具備する移動局であって、前記無線チップ内のＲＲＣレイヤ機能は、ＭＤＴが設定されているか否かに関わらず、所定タイミングで、前記ＯＳ機能に対して、前記移動局の位置情報を通知するように要求するように構成されていることを要旨とする。 A third feature of the present invention is a mobile station having an OS function and a wireless chip, and the RRC layer function in the wireless chip has the predetermined timing regardless of whether MDT is set or not. The gist is that it is configured to request the OS function to notify the location information of the mobile station.

　本発明の第４の特徴は、ＯＳ機能及び無線チップを具備する移動局であって、　前記無線チップ内のＲＲＣレイヤ機能において、ＭＤＴが設定されているか否かに関わらず、前記ＯＳ機能は、前記移動局の位置情報が更新されたタイミングで、該無線チップ内のＲＲＣレイヤ機能に対して、更新された該位置情報を通知するように構成されていることを要旨とする。 A fourth feature of the present invention is a mobile station having an OS function and a wireless chip, and the OS function is independent of whether or not MDT is set in the RRC layer function in the wireless chip. The gist is that the updated location information is notified to the RRC layer function in the radio chip at the timing when the location information of the mobile station is updated.

図１は、本発明の第１の実施形態に係る移動局内の構成を示す図である。FIG. 1 is a diagram showing a configuration in a mobile station according to the first embodiment of the present invention. 図２は、本発明の第２の実施形態に係る移動局内の構成を示す図である。FIG. 2 is a diagram illustrating a configuration in the mobile station according to the second embodiment of the present invention.

（本発明の第１の実施形態に係る移動局）
　図１を参照して、本発明の第１の実施形態に係る移動局について説明する。図１に示すように、本実施形態に係る移動局ＵＥは、ＯＳ機能１と、無線チップ２とを具備している。 (Mobile station according to the first embodiment of the present invention)
With reference to FIG. 1, the mobile station which concerns on the 1st Embodiment of this invention is demonstrated. As shown in FIG. 1, the mobile station UE according to the present embodiment includes an OS function 1 and a wireless chip 2.

　以下、本実施形態では、ＯＳ機能として、Ａｎｄｒｏｉｄ　ＯＳ機能が設けられているケースを例に挙げて説明するが、本発明は、他のＯＳ機能が設けられているケースにも適用可能である。 Hereinafter, in the present embodiment, a case where the Android OS function is provided as an OS function will be described as an example, but the present invention is also applicable to a case where another OS function is provided.

　ＯＳ機能１は、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１と、Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）１２とを具備している。 The OS function 1 includes a location framework (location manager) 11 and a location library (location listener / provider) 12.

　Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１は、Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）１２に対して、移動局ＵＥの位置情報を取得するように指示するように構成されている。 The location framework (location manager) 11 is configured to instruct the location library (location listener / provider) 12 to acquire the location information of the mobile station UE.

　なお、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１は、移動局ＵＥの位置情報を必要とするアプリケーションが起動している場合には、かかるアプリケーションに対して、Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）１２から取得した移動局ＵＥの位置情報を通知するように構成されている。 In addition, when an application that requires location information of the mobile station UE is activated, the location framework (location manager) 11 acquires the movement acquired from the location library (location listener / provider) 12 for the application. It is configured to notify the location information of the station UE.

　Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）１２は、ＷｉＦｉ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ａや、Ｒａｄｉｏ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｂや、ＧＮＳＳ（Ｇｌｏｂａｌ　Ｎａｖｉｇａｔｉｏｎ　Ｓａｔｔｅｌｌｉｔｅ　Ｓｙｓｔｅｍ）用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｃ等を具備している。 The Location Library (Location Listener / Provider) 12 has a positioning function 12A for WiFi, a positioning function 12B for Radio, a positioning function 12 for GNSS (Global Navigation Satelite System), etc.

　Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）１２は、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１からの指示に応じて、ＷｉＦｉ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ａや、Ｒａｄｉｏ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｂや、ＧＮＳＳ（Ｇｌｏｂａｌ　Ｎａｖｉｇａｔｉｏｎ　Ｓａｔｅｌｌｉｔｅ　Ｓｙｓｔｅｍ）用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｃ等に、移動局ＵＥの位置情報を取得するように指示するように構成されている。 The Location Library (Location Listener / Provider) 12 is a positioning function 12A for WiFi, a positioning function 12B for Radio, and a GNSS (sporting function) for the GNNas (sporting glob). For example, the mobile station UE is configured to instruct to acquire the position information of the mobile station UE.

　ここで、Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）１２は、ＷｉＦｉ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ａや、Ｒａｄｉｏ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｂや、ＧＮＳＳ（Ｇｌｏｂａｌ　Ｎａｖｉｇａｔｉｏｎ　Ｓａｔｔｅｌｌｉｔｅ　Ｓｙｓｔｅｍ）用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｃ等に対して、移動局ＵＥの位置情報が更新されたタイミングで、更新された移動局ＵＥの位置情報を通知するように指示してもよい。 Here, the Location Library (Location Listener / Provider) 12 is a positioning function 12A for WiFi, a positioning function 12B for Radio, a position information function position UE 12 for GNSS (Global Navigation Satelite System), and a positioning function UE position for the GNSS (Global Navigation State System). It may be instructed to notify the updated location information of the mobile station UE at the timing when is updated.

　ＷｉＦｉ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ａは、ＷｉＦｉ機能を介して、移動局ＵＥの位置情報を取得するように構成されている。 The WiFi positioning function 12A is configured to acquire the location information of the mobile station UE via the WiFi function.

　Ｒａｄｉｏ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｂは、無線チップ２を介して、移動局ＵＥの位置情報を取得するように構成されている。 The radio positioning function 12B is configured to acquire the location information of the mobile station UE via the wireless chip 2.

　ＧＮＳＳ用ｐｏｓｉｔｉｏｎｉｎｇ機能１２Ｃは、ＧＮＳＳを介して、移動局ＵＥの位置情報を取得するように構成されている。 The GNSS positioning function 12C is configured to acquire the position information of the mobile station UE via the GNSS.

　無線チップ２は、ＬＴＥ方式におけるプロトコルスタックに対応する機能が搭載されている。具体的には、無線チップ２は、ＲＲＣレイヤ機能２１や、無線プロトコルレイヤ機能２２等を具備している。 The wireless chip 2 has a function corresponding to the protocol stack in the LTE system. Specifically, the wireless chip 2 includes an RRC layer function 21, a wireless protocol layer function 22, and the like.

　ここで、無線プロトコルレイヤ機能２２は、物理レイヤ機能や、ＭＡＣ（Ｍｅｄｉａ　Ａｃｃｅｓｓ　Ｃｏｎｔｒｏｌ）レイヤ機能や、ＲＬＣ（Ｒａｄｉｏ　Ｌｉｎｋ　Ｃｏｎｔｒｏｌ）レイヤ機能や、ＰＤＣＰ（Ｐａｃｋｅｔ　Ｄａｔａ　Ｃｏｎｖｅｒｓｉｏｎ　Ｐｒｏｔｏｃｏｌ）レイヤ機能等を具備している。 Here, the radio protocol layer function 22 has a physical layer function, a MAC (Media Access Control) layer function, an RLC (Radio Link Control) layer function, a PDCP (Packet Data Conversion Protocol) layer function, and the like. .

　ＲＲＣレイヤ機能２１は、ＭＤＴが設定されている場合、所定タイミングで、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１に対して、移動局ＵＥの位置情報を通知するように要求するように構成されていてもよい。 The RRC layer function 21 may be configured to request the location framework (location manager) 11 to notify the location information of the mobile station UE at a predetermined timing when MDT is set. .

　例えば、Ｅｖｅｎｔ-Ｔｒｉｇｇｅｒ　ＭＤＴが設定されている場合、ＲＲＣレイヤ機能２１は、かかるＥｖｅｎｔが満たされるタイミング（或いは、かかるＥｖｅｎｔが満たされる少し前のタイミング）で、かかる要求を行うように構成されていてもよい。 For example, when the Event-Trigger MDT is set, the RRC layer function 21 is configured to make such a request at a timing at which the Event is satisfied (or at a timing just before the Event is satisfied). Also good.

　或いは、Ｐｅｒｉｏｄｉｃ　ＭＤＴが設定されている場合、ＲＲＣレイヤ機能２１は、「ＭＤＴ　ｍｅａｓｕｒｅｍｅｎｔ　ｐｅｒｉｏｄ」と同じ周期で、かかる要求を行うように構成されていてもよい。 Alternatively, when Periodic MDT is set, the RRC layer function 21 may be configured to make such a request at the same cycle as “MDT measurement period”.

　ここで、ＲＲＣレイヤ機能２１は、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１とＲＲＣレイヤ機能２１との間で確立されているインターフェイス（Ａ-ＩＦ）を介して、かかる要求を行うように構成されていてもよい。 Here, the RRC layer function 21 may be configured to make such a request via an interface (A-IF) established between the location framework (location manager) 11 and the RRC layer function 21. Good.

　かかる要求を受信した場合、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１は、取得した移動局ＵＥの位置情報を、上述のインターフェイス（Ａ-ＩＦ）を介して、ＲＲＣレイヤ機能２１に対して送信するように構成されていてもよい。 When receiving such a request, the Location Framework (Location Manager) 11 is configured to transmit the acquired location information of the mobile station UE to the RRC layer function 21 via the above-described interface (A-IF). May be.

　ここで、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１は、かかる要求に応じて、ＲＲＣレイヤ機能２１に対して、移動局ＵＥの位置情報を必要とするアプリケーションに通知するために取得した移動局ＵＥの位置情報を通知するように構成されていてもよいし、ＲＲＣレイヤ機能２１に対して通知するために新規に取得した移動局ＵＥの位置情報を通知するように構成されていてもよい。 Here, the location framework (location manager) 11 receives the location information of the mobile station UE acquired in order to notify the RRC layer function 21 of the location information of the mobile station UE to the application that requires the location information. May be configured to notify the RRC layer function 21, or may be configured to notify the newly acquired location information of the mobile station UE.

　或いは、ＲＲＣレイヤ機能２１は、ＭＤＴが設定された時点で、ＯＳ機能１に対して、移動局ＵＥの位置情報が更新されたタイミングで、更新された移動局ＵＥの位置情報を通知するように要求するように構成されていてもよい。 Alternatively, the RRC layer function 21 notifies the OS function 1 of the updated location information of the mobile station UE at the timing when the location information of the mobile station UE is updated when the MDT is set. It may be configured to require.

　ここで、ＲＲＣレイヤ機能２１は、上述のインターフェイス（Ａ-ＩＦ）を介して、かかる要求を行うように構成されていてもよい。 Here, the RRC layer function 21 may be configured to make such a request via the above-described interface (A-IF).

　かかる場合、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１は、移動局ＵＥの位置情報が更新されたタイミングで、上述のインターフェイス（Ａ-ＩＦ）を介して、ＲＲＣレイヤ機能２１に対して、更新された移動局ＵＥの位置情報を通知するように構成されていてもよい。 In such a case, the location framework (location manager) 11 updates the mobile station updated with respect to the RRC layer function 21 via the interface (A-IF) at the timing when the location information of the mobile station UE is updated. You may be comprised so that the positional information on UE may be notified.

　或いは、ＲＲＣレイヤ機能２１は、ＭＤＴが設定されているか否かに関わらず、所定タイミングで、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１に対して、移動局ＵＥの位置情報を通知するように要求するように構成されていてもよい。 Alternatively, the RRC layer function 21 requests the Location Framework (Location Manager) 11 to notify the location information of the mobile station UE at a predetermined timing regardless of whether or not MDT is set. It may be configured.

　ここで、ＲＲＣレイヤ機能２１は、上述のインターフェイス（Ａ-ＩＦ）を介して、かかる要求を行うように構成されていてもよい。 Here, the RRC layer function 21 may be configured to make such a request via the above-described interface (A-IF).

　かかる場合、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１は、所定タイミングで、例えば、移動局ＵＥの位置情報が更新されたタイミングで、上述のインターフェイス（Ａ-ＩＦ）を介して、ＲＲＣレイヤ機能２１に対して、更新された移動局ＵＥの位置情報を通知するように構成されていてもよい。 In such a case, the location framework (location manager) 11 sends the RRC layer function 21 to the RRC layer function 21 via the above-described interface (A-IF) at a predetermined timing, for example, at a timing when the location information of the mobile station UE is updated. The mobile station UE may be configured to notify the updated location information of the mobile station UE.

　或いは、ＲＲＣレイヤ機能２１において、ＭＤＴが設定されているか否かに関わらず、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１は、移動局ＵＥの位置情報が更新されたタイミングで、ＲＲＣレイヤ機能２１に対して、更新された移動局ＵＥの位置情報を通知するように構成されていてもよい。 Alternatively, regardless of whether or not MDT is set in the RRC layer function 21, the Location Framework (Location Manager) 11 sends the location information of the mobile station UE to the RRC layer function 21 at the timing when it is updated. The mobile station UE may be configured to notify the updated location information of the mobile station UE.

　本実施形態に係る発明によれば、ＲＲＣレイヤ機能２１は、ＭＤＴが設定されている際に報告する必要がある移動局ＵＥの位置情報を、ＯＳ機能１から適切なタイミングで取得することができる。 According to the invention according to the present embodiment, the RRC layer function 21 can acquire the location information of the mobile station UE that needs to be reported when the MDT is set from the OS function 1 at an appropriate timing. .

（本発明の第２の実施形態に係る移動通信システム）
　図２を参照して、本発明の第２の実施形態に係る移動局ＵＥについて説明する。以下、本発明の第２の実施形態に係る移動局ＵＥについて、上述の第１の実施形態に係る移動局ＵＥとの相違点に着目して説明する。 (Mobile communication system according to the second embodiment of the present invention)
With reference to FIG. 2, the mobile station UE which concerns on the 2nd Embodiment of this invention is demonstrated. Hereinafter, the mobile station UE according to the second embodiment of the present invention will be described by focusing on differences from the above-described mobile station UE according to the first embodiment.

　図２に示すように、本発明の第２の実施形態に係る移動局ＵＥでは、上述のインターフェイス（Ａ-ＩＦ）は、Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）１１とＲＲＣレイヤ機能２１との間ではなく、Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）１２とＲＲＣレイヤ機能２１との間で設定されている。 As shown in FIG. 2, in the mobile station UE according to the second embodiment of the present invention, the interface (A-IF) is not between the location framework (location manager) 11 and the RRC layer function 21, It is set between the Location Library (Location Listener / Provider) 12 and the RRC layer function 21.

　以上に述べた本実施形態の特徴は、以下のように表現されていてもよい。 The features of the present embodiment described above may be expressed as follows.

　本実施形態の第１の特徴は、ＯＳ機能１及び無線チップ２を具備する移動局ＵＥであって、無線チップ１内のＲＲＣレイヤ機能２１は、ＭＤＴが設定されている場合、所定タイミングで、ＯＳ機能１に対して、移動局ＵＥの位置情報を通知するように要求するように構成されていることを要旨とする。 The first feature of the present embodiment is a mobile station UE having an OS function 1 and a wireless chip 2, and the RRC layer function 21 in the wireless chip 1 has a predetermined timing when MDT is set, The gist is that it is configured to request the OS function 1 to notify the location information of the mobile station UE.

　本実施形態の第２の特徴は、ＯＳ機能１及び無線チップ２を具備する移動局ＵＥであって、無線チップ２内のＲＲＣレイヤ機能２１は、ＭＤＴが設定された時点で、ＯＳ機能１に対して、移動局ＵＥの位置情報が更新されたタイミングで、更新された移動局ＵＥの位置情報を通知するように要求するように構成されており、ＯＳ機能１は、移動局ＵＥの位置情報が更新されたタイミングで、無線チップ２内のＲＲＣレイヤ機能２１に対して、更新された移動局ＵＥの位置情報を通知するように構成されていることを要旨とする。 The second feature of the present embodiment is a mobile station UE having an OS function 1 and a wireless chip 2, and the RRC layer function 21 in the wireless chip 2 is set to the OS function 1 when MDT is set. On the other hand, the mobile station UE is configured to request to notify the updated location information of the mobile station UE at the timing when the location information of the mobile station UE is updated. The gist of the present invention is that the updated location information of the mobile station UE is notified to the RRC layer function 21 in the wireless chip 2 at the time when is updated.

　本実施形態の第３の特徴は、ＯＳ機能１及び無線チップ２を具備する移動局ＵＥであって、無線チップ２内のＲＲＣレイヤ機能２１は、ＭＤＴが設定されているか否かに関わらず、所定タイミングで、ＯＳ機能１に対して、移動局ＵＥの位置情報を通知するように要求するように構成されていることを要旨とする。 A third feature of the present embodiment is a mobile station UE having an OS function 1 and a wireless chip 2, and the RRC layer function 21 in the wireless chip 2 is independent of whether or not MDT is set. The gist is that it is configured to request the OS function 1 to notify the location information of the mobile station UE at a predetermined timing.

　本実施形態の第４の特徴は、ＯＳ機能１及び無線チップ２を具備する移動局ＵＥであって、無線チップ２内のＲＲＣレイヤ機能２１において、ＭＤＴが設定されているか否かに関わらず、ＯＳ機能１は、移動局ＵＥの位置情報が更新されたタイミングで、無線チップ２内のＲＲＣレイヤ機能２１に対して、更新された移動局ＵＥの位置情報を通知するように構成されていることを要旨とする。 A fourth feature of the present embodiment is a mobile station UE having an OS function 1 and a radio chip 2, and whether or not MDT is set in the RRC layer function 21 in the radio chip 2, The OS function 1 is configured to notify the updated location information of the mobile station UE to the RRC layer function 21 in the wireless chip 2 at the timing when the location information of the mobile station UE is updated. Is the gist.

　なお、上述の移動局ＵＥの動作は、ハードウェアによって実施されてもよいし、プロセッサによって実行されるソフトウェアモジュールによって実施されてもよいし、両者の組み合わせによって実施されてもよい。 Note that the operation of the mobile station UE described above may be implemented by hardware, may be implemented by a software module executed by a processor, or may be implemented by a combination of both.

　ソフトウェアモジュールは、ＲＡＭ（Ｒａｎｄｏｍ　Ａｃｃｅｓｓ　Ｍｅｍｏｒｙ）や、フラッシュメモリや、ＲＯＭ（Ｒｅａｄ　Ｏｎｌｙ　Ｍｅｍｏｒｙ）や、ＥＰＲＯＭ（Ｅｒａｓａｂｌｅ　Ｐｒｏｇｒａｍｍａｂｌｅ　ＲＯＭ）や、ＥＥＰＲＯＭ（Ｅｌｅｃｔｒｏｎｉｃａｌｌｙ　Ｅｒａｓａｂｌｅ　ａｎｄ　Ｐｒｏｇｒａｍｍａｂｌｅ　ＲＯＭ）や、レジスタや、ハードディスクや、リムーバブルディスクや、ＣＤ-ＲＯＭといった任意形式の記憶媒体内に設けられていてもよい。 Software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, and Hard Disk). Alternatively, it may be provided in an arbitrary format storage medium such as a CD-ROM.

　かかる記憶媒体は、プロセッサが当該記憶媒体に情報を読み書きできるように、当該プロセッサに接続されている。また、かかる記憶媒体は、プロセッサに集積されていてもよい。また、かかる記憶媒体及びプロセッサは、ＡＳＩＣ内に設けられていてもよい。かかるＡＳＩＣは、移動局ＵＥ内に設けられていてもよい。また、かかる記憶媒体及びプロセッサは、ディスクリートコンポーネントとして移動局ＵＥ内に設けられていてもよい。 The storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Such a storage medium and processor may be provided in the ASIC. Such an ASIC may be provided in the mobile station UE. Further, the storage medium and the processor may be provided in the mobile station UE as a discrete component.

　以上、上述の実施形態を用いて本発明について詳細に説明したが、当業者にとっては、本発明が本明細書中に説明した実施形態に限定されるものではないということは明らかである。本発明は、請求の範囲の記載により定まる本発明の趣旨及び範囲を逸脱することなく修正及び変更態様として実施することができる。従って、本明細書の記載は、例示説明を目的とするものであり、本発明に対して何ら制限的な意味を有するものではない。 As described above, the present invention has been described in detail using the above-described embodiments. However, it is obvious for those skilled in the art that the present invention is not limited to the embodiments described in the present specification. The present invention can be implemented as modifications and changes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.

　なお、日本国特許出願第２０１２－０６３７０３号（２０１２年３月２１日出願）の全内容が、参照により、本願明細書に組み込まれている。 Note that the entire contents of Japanese Patent Application No. 2012-0663703 (filed on March 21, 2012) are incorporated herein by reference.

　以上説明したように、本発明によれば、ＯＳ機能とＲＲＣレイヤ機能とが協働して、ＭＤＴにおいて報告すべき位置情報を適切に取得することができる移動局を提供することができる。 As described above, according to the present invention, the OS function and the RRC layer function cooperate to provide a mobile station that can appropriately acquire position information to be reported in MDT.

ＵＥ…移動局
１…ＯＳ機能
１１…Ｌｏｃａｔｉｏｎ　Ｆｒａｍｅｗｏｒｋ（Ｌｏｃａｔｉｏｎ　Ｍａｎａｇｅｒ）
１２…Ｌｏｃａｔｉｏｎ　Ｌｉｂｒａｒｙ（Ｌｏｃａｔｉｏｎ　Ｌｉｓｔｅｎｅｒ/Ｐｒｏｖｉｄｅｒ）
２…無線チップ
２１…ＲＲＣレイヤ機能
２２…無線プロトコルレイヤ機能 UE ... mobile station 1 ... OS function 11 ... Location Framework (Location Manager)
12 ... Location Library (Location Listener / Provider)
2 ... Wireless chip 21 ... RRC layer function 22 ... Wireless protocol layer function

Claims (4)

　ＯＳ機能及び無線チップを具備する移動局であって、
　前記無線チップ内のＲＲＣレイヤ機能は、ＭＤＴ（Ｍｉｎｉｍｉｓａｔｉｏｎ　ｏｆ　Ｄｒｉｖｅ　Ｔｅｓｔｓ）が設定されている場合、所定タイミングで、前記ＯＳ機能に対して、前記移動局の位置情報を通知するように要求するように構成されていることを特徴とする移動局。 A mobile station having an OS function and a wireless chip,
The RRC layer function in the wireless chip requests that the OS function be notified of the location information of the mobile station at a predetermined timing when MDT (Minimization of Drive Tests) is set. A mobile station characterized by being configured. 　ＯＳ機能及び無線チップを具備する移動局であって、
　前記無線チップ内のＲＲＣレイヤ機能は、ＭＤＴ（Ｍｉｎｉｍｉｓａｔｉｏｎ　ｏｆ　Ｄｒｉｖｅ　Ｔｅｓｔｓ）が設定された時点で、前記ＯＳ機能に対して、前記移動局の位置情報が更新されたタイミングで、更新された該位置情報を通知するように要求するように構成されており、
　前記ＯＳ機能は、前記位置情報が更新されたタイミングで、前記無線チップ内のＲＲＣレイヤ機能に対して、更新された該位置情報を通知するように構成されていることを特徴とする移動局。 A mobile station having an OS function and a wireless chip,
The RRC layer function in the wireless chip is updated when the location information of the mobile station is updated with respect to the OS function when MDT (Minimization of Drive Tests) is set. Is configured to request notification, and
The mobile station, wherein the OS function is configured to notify the updated position information to the RRC layer function in the wireless chip at a timing when the position information is updated. 　ＯＳ機能及び無線チップを具備する移動局であって、
　前記無線チップ内のＲＲＣレイヤ機能は、ＭＤＴ（Ｍｉｎｉｍｉｓａｔｉｏｎ　ｏｆ　Ｄｒｉｖｅ　Ｔｅｓｔｓ）が設定されているか否かに関わらず、所定タイミングで、前記ＯＳ機能に対して、前記移動局の位置情報を通知するように要求するように構成されていることを特徴とする移動局。 A mobile station having an OS function and a wireless chip,
The RRC layer function in the wireless chip notifies the OS function of the location information of the mobile station at a predetermined timing regardless of whether or not MDT (Minimization of Drive Tests) is set. A mobile station characterized by being configured to request. 　ＯＳ機能及び無線チップを具備する移動局であって、
　前記無線チップ内のＲＲＣレイヤ機能において、ＭＤＴ（Ｍｉｎｉｍｉｓａｔｉｏｎ　ｏｆ　Ｄｒｉｖｅ　Ｔｅｓｔｓ）が設定されているか否かに関わらず、前記ＯＳ機能は、前記移動局の位置情報が更新されたタイミングで、該無線チップ内のＲＲＣレイヤ機能に対して、更新された該位置情報を通知するように構成されていることを特徴とする移動局。 A mobile station having an OS function and a wireless chip,
Regardless of whether or not MDT (Minimization of Drive Tests) is set in the RRC layer function in the wireless chip, the OS function is in the wireless chip at the timing when the location information of the mobile station is updated. The mobile station is configured to notify the updated location information to the RRC layer function.
PCT/JP2013/057659 2012-03-21 2013-03-18 Mobile station Ceased WO2013141204A1 (en)

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