WO2013115254A1 - Mobile communication method and wireless base station - Google Patents

Mobile communication method and wireless base station Download PDF

Info

Publication number
WO2013115254A1
WO2013115254A1 PCT/JP2013/052052 JP2013052052W WO2013115254A1 WO 2013115254 A1 WO2013115254 A1 WO 2013115254A1 JP 2013052052 W JP2013052052 W JP 2013052052W WO 2013115254 A1 WO2013115254 A1 WO 2013115254A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
mobile station
location information
radio base
measurement
Prior art date
Application number
PCT/JP2013/052052
Other languages
French (fr)
Japanese (ja)
Inventor
ウリ アンダルマワンティ ハプサリ
健一郎 青柳
アニール ウメシュ
高橋　秀明
Original Assignee
株式会社エヌ・ティ・ティ・ドコモ
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 株式会社エヌ・ティ・ティ・ドコモ filed Critical 株式会社エヌ・ティ・ティ・ドコモ
Publication of WO2013115254A1 publication Critical patent/WO2013115254A1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • 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
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present invention relates to a mobile communication method and a radio base 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.
  • MDT is defined in the LTE Release-10 system, the radio base station eNB, the radio quality measurement result reported by the mobile station UE (RSRP: Reference Signal Received Power, RSRQ: Reference Signal Received Quality) and the mobile station UE
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • the location information is reported to the operation and maintenance server OAM (Operation And Maintenance).
  • the radio base station eNB reports the location information of the mobile station UE reported by the mobile station UE and the QoS (Quality) measured by the radio base station eNB itself. of Service) measurement results (throughput, CQI: Channel Quality Indicator) are reported to the operation and maintenance server OAM.
  • QoS Quality of Service
  • the radio base station eNB needs to report to the operation and maintenance server OAM in association with the location information of the mobile station UE and the QoS measurement result.
  • the radio base station eNB since the acquisition time of the location information of the mobile station UE reported by the mobile station UE and the measurement time of the QoS measurement result measured by the radio base station eNB may be different, the radio base station eNB There has been a problem that the location information of the station UE and the QoS measurement result cannot be accurately associated.
  • the present invention has been made in view of the above-described problem, and in MDT, the radio base station eNB accurately reports the location information of the mobile station UE and the QoS measurement result to the operation and maintenance server OAM. It is an object of the present invention to provide a mobile communication method and a radio base station that can be used.
  • a first feature of the present invention is a mobile communication method, in which the radio base station measures the throughput of downlink data addressed to the mobile station, and the radio base station uses the location information of the mobile station Step B for managing a period, Step C for measuring predetermined radio quality according to measurement configuration information received by the mobile station from the radio base station, and the mobile station for the radio base station, A step D for reporting the measurement result and location information of the mobile station, and a step E for the radio base station to transmit a quality measurement report including the measurement result to a predetermined server.
  • the radio base station includes the latest information of the location information of the mobile station received within the valid period in the quality measurement report.
  • the second feature of the present invention is a radio base station, which is configured to measure the throughput of downlink data addressed to a mobile station, and to manage the validity period of the location information of the mobile station.
  • a measurement unit configured to receive a measurement result of predetermined radio quality and position information of the mobile station from the mobile station, and a measurement result to the predetermined server.
  • a transmission unit configured to transmit a quality measurement report including the transmission unit, wherein the transmission unit receives the latest information of the location information of the mobile station received within the validity period, and the quality measurement report
  • the gist is that it is configured to be included in
  • FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
  • FIG. 2 is a functional block diagram of the mobile station according to the first embodiment of the present invention.
  • FIG. 3 is a functional block diagram of the radio base station according to the first embodiment of the present invention.
  • FIG. 4 is a diagram illustrating an example of “Validity Time” of “Location Information” in the mobile communication system according to the first embodiment of the present invention.
  • FIG. 5 is a diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
  • Mobile communication system according to the first embodiment of the present invention A mobile communication system according to a first embodiment of the present invention will be described with reference to FIG. 1 to FIG.
  • the mobile communication system according to the present embodiment includes an operation and maintenance server OAM and a radio base station eNB. Note that, in the mobile communication system according to the present embodiment, it is possible to implement MDT defined in the LTE Release-11 scheme.
  • the mobile station UE includes a receiving unit 11, a measuring unit 12, and a transmitting unit 13.
  • the receiving unit 11 is configured to receive various signals transmitted by the radio base station eNB.
  • the receiving unit 11 may be configured to receive “Measurement Configuration” instructing to measure the predetermined radio quality for MDT from the radio base station eNB.
  • the measurement unit 12 is configured to measure a predetermined radio quality for MDT in accordance with “Measurement Configuration” received by the reception unit 11.
  • the measurement unit 12 is configured to acquire “Location Information” that is position information of the mobile station UE.
  • the measurement unit 12 may be configured to acquire “Location Information” using positioning means such as GPS, LCS, or SUPL for MDT.
  • the measurement unit 12 is configured to divert the location information of the mobile station UE acquired in the location information service as the “Location Information” when using another location information service. Also good.
  • the transmission unit 13 is configured to transmit “Measurement Report” including “MDT Measurement”, which is a measurement result of the predetermined radio quality for MDT, to the radio base station eNB.
  • the transmission unit 13 may be configured to include “Location Information” acquired by the measurement unit 12 in “Measurement Report”.
  • the transmission unit 13 may be configured to transmit “Location Information” acquired by the measurement unit 12 separately from “Measurement Report”.
  • the transmission unit 13 for each specified by the "Measurement Configuration” "Measurement Interval (measurement interval)", repeated “Measurement Report” It may be configured to transmit.
  • the radio base station eNB includes a reception unit 21, a management unit 22, a measurement unit 23, a generation unit 24, a recording unit 24A, and a transmission unit 25. ing.
  • the receiving unit 21 is configured to receive various signals transmitted by the mobile station UE and the operation and maintenance server OAM.
  • the receiving unit 21 may be configured to receive “Measurement Report” including “MDT Measurement” from the mobile station UE.
  • the receiving unit 21 may be configured to receive “Location Information” from the mobile station UE separately from “Measurement Report”.
  • the receiving unit 21 may be configured to receive “Uncertainty Information (error radius)” of the “Location Information” from the mobile station UE.
  • the receiving unit 21 may be configured to receive an instruction signal designating a measurement item for MDT from the operation and maintenance server OAM.
  • the management unit 22 is configured to manage the “Validity Time” of the “Location Information” received from the mobile station UE.
  • the management unit 22 may be configured to calculate the “Validity Time” based on the “Uncertainty Information” received from the mobile station UE and the speed of the mobile station UE.
  • the management unit 22 receives “Validity Time” of “Location Information” received from the mobile station UE moving at a speed of 3 km per hour.
  • the “Validity Time” of “Location Information” received from the mobile station UE moving at 30 km / h is calculated to be “2.4 seconds” and moved at 300 km / h.
  • the “Validity Time” of the “Location Information” received from the existing mobile station UE may be calculated to be “0.24 seconds”.
  • the management unit 22 uses the fading frequency estimation (fd estimation) using SRS (Sounding Reference Signal), the cell stay time defined in “UE History Information”, and the like to determine the speed of the mobile station UE. It may be configured to determine.
  • fd estimation fading frequency estimation
  • SRS Sounding Reference Signal
  • the management unit 22 may be configured to set the time when the “Location Information” is received from the mobile station UE as the start time of the “Validity Time” when the “Validity Time” is not in progress.
  • the measurement unit 23 is configured to measure “DL Throughput” in “Active Time” in which downlink data addressed to the mobile station UE is generated.
  • the measurement unit 23 may be configured so that the data amount of downlink data transmitted during “Active Time” is “DL Throughput”.
  • the measurement unit 23 may be configured so that the time during which the downlink data is actually stored in the transmission buffer is “Active Time”.
  • the generation unit 24 is configured to generate “MDT QoS Measurement Report” to be transmitted to the operation and maintenance server OAM, and to record it in the recording unit 24A.
  • the generation unit 24 sets the latest “Location Information” received in “Validity Time” as the latest “Location Information” corresponding to “DL Throughput” in “Active Time”. It is configured to be included in “MDT QoS Measurement Report”.
  • the transmission unit 25 is configured to transmit various signals to the mobile station UE and the operation and maintenance server OAM.
  • the transmission unit 25 may be configured to transmit “Measurement Configuration” instructing the mobile station UE to measure the predetermined radio quality for MDT.
  • the transmission unit 25 may be configured to include “Indication” for instructing to acquire “Location Information” in the “Measurement Configuration”.
  • the transmission unit 25 may be configured to include “Indication” that specifies the acquisition method of “Location Information” in the “Measurement Configuration”.
  • the transmission unit 25 is configured to transmit “MDT QoS Measurement Report” generated by the generation unit 24 and recorded by the recording unit 25 to the operation and maintenance server OAM.
  • the transmission unit 25 may be configured to transmit the “MDT QoS Measurement Report” at a timing specified by the operation and maintenance server OAM.
  • the transmission unit 25 may be configured to transmit to the operation / maintenance server OAM for each “MDT QoS Measurement Report”, or is recorded by the recording unit 25 at a predetermined timing. A plurality of “MDT QoS Measurement Reports” may be collectively transmitted.
  • the mobile station UE acquires “Location Information # 1” at time T1, and “MDT Measurement # 1” and “Location Information # 1” to the radio base station eNB at time T2. ".
  • the mobile station UE may also report “Uncertainty Information # 1” of “Location Information # 1”.
  • the radio base station eNB When the radio base station eNB receives “MDT Measurement # 1” and “Location Information # 1” at time T2A, the radio base station eNB activates “Validity Time” of “Location Information”.
  • the radio base station eNB manages the “Location Information # 1” as the latest “Location Information” received in the “Validity Time”.
  • the radio base station eNB does not transmit “MDT QoS Measurement Report” including “Location Information # 1” to the operation and maintenance server OAM.
  • the radio base station eNB When the radio base station eNB detects that “Active Time (t1-t2)” is started at time t1 (that is, downlink data is generated in the transmission buffer), the radio base station eNB manages “Validity The latest “Location Information” received in “Time” is determined to be “Location Information” corresponding to “Active Time (t1-t2)”.
  • the mobile station UE acquires “Location Information # 2” at time T3, and reports “MDT Measurement # 2” and “Location Information # 2” to the radio base station eNB at time T4.
  • the mobile station UE may also report “Uncertainty Information # 2” of “Location Information # 2”. Note that the mobile station UE may report “Uncertainty Information # 2” only when “Uncertainty Information # 1” and “Uncertainty Information # 2” are different.
  • the radio base station eNB When the radio base station eNB receives “MDT Measurement # 2” and “Location Information # 2” at time T4A, the radio base station eNB receives the latest “Location Information” received from “Location Information # 1” in “Validity Time”. Update to “Location Information # 2.”
  • the radio base station eNB When the radio base station eNB detects that “Active Time (t1-t2)” has ended (that is, the transmission buffer has become empty) at time t2, the radio base station eNB notifies the operation / maintenance server OAM of “Active Time”. In addition to “DL Throughput # 1” and “MDT Measurement # 2” in (t1-t2) ”,“ MDT QoS including “Location Information # 2” as the latest “Location Information” received in “Validity Time”. “Measurement Report # 1” is transmitted.
  • the radio base station eNB may record "MDT QoS Measurement Report # 1", at a predetermined timing, with respect to operation and maintenance server OAM, it may send a "MDT QoS Measurement Report # 1" .
  • the radio base station eNB detects that “Active Time (t3-t4)” is started at time t3 (that is, that downlink data is generated in the transmission buffer), the radio base station eNB manages “Validity The latest “Location Information” received in “Time” is determined to be “Location Information” corresponding to “Active Time (t3-t4)”.
  • the mobile station UE reports only “MDT Measurement # 3” to the radio base station eNB without reporting “Location Information” at time T5. .
  • the radio base station eNB receives “MDT Measurement # 3” at time T5A.
  • the radio base station eNB since the radio base station eNB has not received the “Location Information”, the latest “Location Information” received in the “Validity Time” is not updated.
  • the radio base station eNB When the radio base station eNB detects that “Active Time (t3-t4)” has ended (that is, that the transmission buffer has become empty) at time t4, the radio base station eNB notifies the operation maintenance server OAM “Active Time ( In addition to “DL Throughput # 2” and “MDT Measurement # 3” in “t1-t2)”, “MDT Quality Measure including“ Location Information # 2 ”as the latest“ Location Information ”received in“ Validity Time ” "Report # 2" is transmitted.
  • the radio base station eNB may record “MDT QoS Measurement Report # 1” and transmit “MDT QoS Measurement Report # 2” to the operation and maintenance server OAM at a predetermined timing. .
  • the mobile station UE acquires “Location Information # 3” at time T6, and reports “MDT Measurement # 4” and “Location Information # 3” to the radio base station eNB at time T7.
  • the radio base station eNB receives “MDT Measurement # 4” and “Location Information # 3” at time T7A, but determines that it is not currently in “Active Time”, and notifies the operation maintenance server OAM to “Location”. Do not send “MDT QoS Measurement Report” including “Information # 3”.
  • the radio base station eNB transmits the latest “Location Information” received in the “Validity Time” to the “DL Throughput” in the “Active Time” started in the “Validity Time”. ”And the measurement time of the QoS measurement result measured by the radio base station eNB and the acquisition time of the location information of the mobile station UE reported by the mobile station UE. Time divergence can be minimized.
  • “DL Throughput” and “Location Information” are more accurately associated by determining “Validity Time” based on “Uncertainty Information” and the speed of mobile station UE. can.
  • a first feature of the present embodiment is a mobile communication method, in which a radio base station eNB performs “DL Throughput (throughput)” in “Active Time (active period)” in which downlink data addressed to the mobile station UE is generated. ”, A process B in which the radio base station eNB manages“ Validity Time (validity period) ”of“ Location Information (location information of the mobile station UE) ”, and the mobile station UE In response to the “Measurement Configuration (measurement configuration information)” received from the eNB, the process C for measuring the predetermined radio quality, and the mobile station UE sends “MDT Measurement (measurement result)” and “Measurement result” to the radio base station eNB.
  • Step E the radio base station eNB transmits “MDT QoS Measurement Report (quality measurement report)” including “MDT Measurement” to the operation and maintenance server (predetermined server).
  • the gist of the radio base station eNB is to include the latest one of the “Location Information” received in the “Validity Time” in the “MDT QoS Measurement Report”.
  • the radio base station eNB may calculate “Validity Time” based on “Uncertainty Information (error radius)” and the speed of the mobile station UE.
  • the second feature of the present embodiment is a radio base station eNB, which is configured to measure the throughput of downlink data addressed to the mobile station UE, and “Validity Time” of “Location Information”.
  • a management unit 22 configured to manage the mobile station UE, a reception unit 21 configured to receive “MDT Measurement” and “Location Information” from the mobile station UE, and an operation and maintenance server OAM,
  • a transmission unit 25 configured to transmit “MDT QoS Measurement Report” including “MDT Measurement”, and the transmission unit 25 receives “Location Information” received in “Validity Time”. For the most recent of the tion "and the spirit that has been configured to include the" MDT QoS Measurement Report ".
  • the management unit 22 may be configured to calculate “Validity Time” based on “Uncertainty Information” and the speed of the mobile station UE.
  • the operations of the mobile station UE, the radio base station eNB, and the operation and maintenance server OAM described above may be performed by hardware, may be performed by a software module executed by a processor, or may be a combination of both. May be implemented.
  • 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 a storage medium of an arbitrary format 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.
  • the ASIC may be provided in the mobile station UE, the radio base station eNB and operation and maintenance server the OAM. Further, the storage medium and the processor may be provided as a discrete component in the mobile station UE, the radio base station eNB, or the operation and maintenance server OAM.
  • the radio base station eNB can accurately report the location information of the mobile station UE and the QoS measurement result in association with the operation and maintenance server OAM.
  • a method and a radio base station can be provided.
  • UE ... mobile station eNB ... radio base station OAM ... operation and maintenance server 11, 21 ... receiving unit 12, 23 ... measuring unit 13, 25 ... transmitting unit 22 ... calculating unit 24 ... generating unit

Landscapes

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

Abstract

The present invention makes a wireless base station (eNB) accurately associate location information of a mobile station (UE) and a QoS measurement result with one another and notify same to an operation maintenance server (OAM) in an MDT. This mobile communication method involves: a step in which a mobile station (UE) notifies "MDT Measurement" and "Location Information" to a wireless base station (eNB); and a step in which the wireless base station (eNB) transmits an "MDT QoS Measurement Report" including the "MDT Measurement" to an operation maintenance server (predetermined server), wherein the wireless base station (eNB) includes, in the "MDT QoS Measurement Report", the latest "Location Information" received within a "Validity Time".

Description

移動通信方法及び無線基地局Mobile communication method and radio base station
　本発明は、移動通信方法及び無線基地局に関する。 The present invention relates to a mobile communication method and a radio base 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.
　ＬＴＥのＲｅｌｅａｓｅ-１０方式において規定されているＭＤＴでは、無線基地局ｅＮＢは、移動局ＵＥによって報告された無線品質測定結果（ＲＳＲＰ：Ｒｅｆｅｒｅｎｃｅ　Ｓｉｇｎａｌ　Ｒｅｃｅｉｖｅｄ　Ｐｏｗｅｒ、ＲＳＲＱ：Ｒｅｆｅｒｅｎｃｅ　Ｓｉｇｎａｌ　Ｒｅｃｅｉｖｅｄ　Ｑｕａｌｉｔｙ）や移動局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 MDT is defined in the LTE Release-10 system, the radio base station eNB, the radio quality measurement result reported by the mobile station UE (RSRP: Reference Signal Received Power, RSRQ: Reference Signal Received Quality) and the mobile station UE The location information (Location Information) is reported to the operation and maintenance server OAM (Operation And Maintenance).
　これに対して、ＬＴＥのＲｅｌｅａｓｅ-１１方式において規定されているＭＤＴでは、無線基地局ｅＮＢは、移動局ＵＥによって報告された移動局ＵＥの位置情報及び無線基地局ｅＮＢ自身で測定したＱｏＳ（Ｑｕａｌｉｔｙ　ｏｆ　Ｓｅｒｖｉｃｅ）測定結果（スループット、ＣＱＩ：Ｃｈａｎｎｅｌ　Ｑｕａｌｉｔｙ　Ｉｎｄｉｃａｔｏｒ）を、運用保守サーバＯＡＭに対して報告するように構成されている。 On the other hand, in the MDT defined in the LTE Release-11 system, the radio base station eNB reports the location information of the mobile station UE reported by the mobile station UE and the QoS (Quality) measured by the radio base station eNB itself. of Service) measurement results (throughput, CQI: Channel Quality Indicator) are reported to the operation and maintenance server OAM.
　ここで、無線基地局ｅＮＢは、上述の移動局ＵＥの位置情報及びＱｏＳ測定結果を関連付けて運用保守サーバＯＡＭに対して報告する必要がある。 Here, the radio base station eNB needs to report to the operation and maintenance server OAM in association with the location information of the mobile station UE and the QoS measurement result.
　しかしながら、移動局ＵＥによって報告された移動局ＵＥの位置情報の取得時刻及び無線基地局ｅＮＢによって測定されたＱｏＳ測定結果の測定時刻は異なる可能性があるため、無線基地局ｅＮＢは、上述の移動局ＵＥの位置情報及びＱｏＳ測定結果を正確に関連付けることができないという問題点があった。 However, since the acquisition time of the location information of the mobile station UE reported by the mobile station UE and the measurement time of the QoS measurement result measured by the radio base station eNB may be different, the radio base station eNB There has been a problem that the location information of the station UE and the QoS measurement result cannot be accurately associated.
　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、ＭＤＴにおいて、無線基地局ｅＮＢは、移動局ＵＥの位置情報及びＱｏＳ測定結果を正確に関連付けて運用保守サーバＯＡＭに対して報告することができる移動通信方法及び無線基地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 problem, and in MDT, the radio base station eNB accurately reports the location information of the mobile station UE and the QoS measurement result to the operation and maintenance server OAM. It is an object of the present invention to provide a mobile communication method and a radio base station that can be used.
　本発明の第１の特徴は、移動通信方法であって、無線基地局が、移動局宛ての下りデータのスループットを測定する工程Ａと、前記無線基地局が、前記移動局の位置情報の有効期間を管理する工程Ｂと、前記移動局が、前記無線基地局から受信した測定構成情報に応じて、所定無線品質を測定する工程Ｃと、前記移動局が、前記無線基地局に対して、前記測定結果及び前記移動局の位置情報を報告する工程Ｄと、前記無線基地局が、所定サーバに対して、前記測定結果を含む品質測定報告を送信する工程Ｅとを有し、前記工程Ｅにおいて、前記無線基地局は、前記有効期間内に受信した前記移動局の位置情報のうちの最新のものを、前記品質測定報告に含めることを要旨とする。 A first feature of the present invention is a mobile communication method, in which the radio base station measures the throughput of downlink data addressed to the mobile station, and the radio base station uses the location information of the mobile station Step B for managing a period, Step C for measuring predetermined radio quality according to measurement configuration information received by the mobile station from the radio base station, and the mobile station for the radio base station, A step D for reporting the measurement result and location information of the mobile station, and a step E for the radio base station to transmit a quality measurement report including the measurement result to a predetermined server. In the above, the radio base station includes the latest information of the location information of the mobile station received within the valid period in the quality measurement report.
　本発明の第２の特徴は、無線基地局であって、移動局宛ての下りデータのスループットを測定するように構成されている測定部と、前記移動局の位置情報の有効期間を管理するように構成されている管理部と、前記移動局から、所定無線品質の測定結果及び前記移動局の位置情報を受信するように構成されている受信部と、所定サーバに対して、前記測定結果を含む品質測定報告を送信するように構成されている送信部とを具備し、前記送信部は、前記有効期間内に受信した前記移動局の位置情報のうちの最新のものを、前記品質測定報告に含め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 invention is a radio base station, which is configured to measure the throughput of downlink data addressed to a mobile station, and to manage the validity period of the location information of the mobile station. A measurement unit configured to receive a measurement result of predetermined radio quality and position information of the mobile station from the mobile station, and a measurement result to the predetermined server. A transmission unit configured to transmit a quality measurement report including the transmission unit, wherein the transmission unit receives the latest information of the location information of the mobile station received within the validity period, and the quality measurement report The gist is that it is configured to be included in
図１は、本発明の第１の実施形態に係る移動通信システムの全体構成図である。FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention. 図２は、本発明の第１の実施形態に係る移動局の機能ブロック図である。FIG. 2 is a functional block diagram of the mobile station according to the first embodiment of the present invention. 図３は、本発明の第１の実施形態に係る無線基地局の機能ブロック図である。FIG. 3 is a functional block diagram of the radio base station according to the first embodiment of the present invention. 図４は、本発明の第１の実施形態に係る移動通信システムにおける「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」の一例を示す図である。FIG. 4 is a diagram illustrating an example of “Validity Time” of “Location Information” in the mobile communication system according to the first embodiment of the present invention. 図５は、本発明の第１の実施形態に係る移動通信システムの動作を説明するための図である。FIG. 5 is a diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
　（本発明の第１の実施形態に係る移動通信システム）
　図１乃至図５を参照して、本発明の第１の実施形態に係る移動通信システムについて説明する。 (Mobile communication system according to the first embodiment of the present invention)
A mobile communication system according to a first embodiment of the present invention will be described with reference to FIG. 1 to FIG.
　図１に示すように、本実施形態に係る移動通信システムは、運用保守サーバＯＡＭと、無線基地局ｅＮＢとを具備している。なお、本実施形態に係る移動通信システムでは、ＬＴＥのＲｅｌｅａｓｅ-１１方式において規定されているＭＤＴを実現することが可能である。 As shown in FIG. 1, the mobile communication system according to the present embodiment includes an operation and maintenance server OAM and a radio base station eNB. Note that, in the mobile communication system according to the present embodiment, it is possible to implement MDT defined in the LTE Release-11 scheme.
　図２に示すように、本実施形態に係る移動局ＵＥは、受信部１１と、測定部１２と、送信部１３とを具備している。 As shown in FIG. 2, the mobile station UE according to the present embodiment includes a receiving unit 11, a measuring unit 12, and a transmitting unit 13.
　受信部１１は、無線基地局ｅＮＢによって送信される各種信号を受信するように構成されている。 The receiving unit 11 is configured to receive various signals transmitted by the radio base station eNB.
　例えば、受信部１１は、無線基地局ｅＮＢから、ＭＤＴ用の所定無線品質を測定するように指示する「Ｍｅａｓｕｒｅｍｅｎｔ　Ｃｏｎｆｉｇｕｒａｔｉｏｎ」を受信するように構成されていてもよい。 For example, the receiving unit 11 may be configured to receive “Measurement Configuration” instructing to measure the predetermined radio quality for MDT from the radio base station eNB.
　測定部１２は、受信部１１によって受信された「Ｍｅａｓｕｒｅｍｅｎｔ　Ｃｏｎｆｉｇｕｒａｔｉｏｎ」に応じて、ＭＤＴ用の所定無線品質を測定するように構成されている。 The measurement unit 12 is configured to measure a predetermined radio quality for MDT in accordance with “Measurement Configuration” received by the reception unit 11.
　また、測定部１２は、移動局ＵＥの位置情報である「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を取得するように構成されている。 In addition, the measurement unit 12 is configured to acquire “Location Information” that is position information of the mobile station UE.
　ここで、測定部１２は、ＭＤＴのために、ＧＰＳやＬＣＳやＳＵＰＬ等の測位手段を用いて、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を取得するように構成されていてもよい。 Here, the measurement unit 12 may be configured to acquire “Location Information” using positioning means such as GPS, LCS, or SUPL for MDT.
　或いは、測定部１２は、他の位置情報サービスを利用している場合に、かかる位置情報サービスにおいて取得された移動局ＵＥの位置情報を、かかる「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」として流用するように構成されていてもよい。 Alternatively, the measurement unit 12 is configured to divert the location information of the mobile station UE acquired in the location information service as the “Location Information” when using another location information service. Also good.
　送信部１３は、無線基地局ｅＮＢに対して、かかるＭＤＴ用の所定無線品質の測定結果である「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ」を含む「Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を送信するように構成されている。 The transmission unit 13 is configured to transmit “Measurement Report” including “MDT Measurement”, which is a measurement result of the predetermined radio quality for MDT, to the radio base station eNB.
　また、送信部１３は、「Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」に、測定部１２によって取得された「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を含めるように構成されていてもよい。 Further, the transmission unit 13 may be configured to include “Location Information” acquired by the measurement unit 12 in “Measurement Report”.
　或いは、送信部１３は、「Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」とは別に、測定部１２によって取得された「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を送信するように構成されていてもよい。 Alternatively, the transmission unit 13 may be configured to transmit “Location Information” acquired by the measurement unit 12 separately from “Measurement Report”.
　例えば、ＭＤＴとして「Ｉｍｍｅｄｉａｔｅ　ＭＤＴ」を行うように指定されている場合には、送信部１３は、「Ｍｅａｓｕｒｅｍｅｎｔ　Ｃｏｎｆｉｇｕｒａｔｉｏｎ」によって指定された「Ｍｅａｓｕｒｅｍｅｎｔ　Ｉｎｔｅｒｖａｌ（測定間隔）」ごとに、「Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を繰り返し送信するように構成されていてもよい。 For example, if it is designated to perform the "Immediate MDT" as MDT, the transmission unit 13, for each specified by the "Measurement Configuration" "Measurement Interval (measurement interval)", repeated "Measurement Report" It may be configured to transmit.
　図３に示すように、本実施形態に係る無線基地局ｅＮＢは、受信部２１と、管理部２２と、測定部２３と、生成部２４と、記録部２４Ａと、送信部２５とを具備している。 As illustrated in FIG. 3, the radio base station eNB according to the present embodiment includes a reception unit 21, a management unit 22, a measurement unit 23, a generation unit 24, a recording unit 24A, and a transmission unit 25. ing.
　受信部２１は、移動局ＵＥや運用保守サーバＯＡＭによって送信される各種信号を受信するように構成されている。 The receiving unit 21 is configured to receive various signals transmitted by the mobile station UE and the operation and maintenance server OAM.
　例えば、受信部２１は、移動局ＵＥから、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ」を含む「Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を受信するように構成されていてもよい。 For example, the receiving unit 21 may be configured to receive “Measurement Report” including “MDT Measurement” from the mobile station UE.
　また、受信部２１は、移動局ＵＥから、「Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」とは別に、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を受信するように構成されていてもよい。 In addition, the receiving unit 21 may be configured to receive “Location Information” from the mobile station UE separately from “Measurement Report”.
　さらに、受信部２１は、移動局ＵＥから、かかる「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ（誤差半径）」を受信するように構成されていてもよい。 Further, the receiving unit 21 may be configured to receive “Uncertainty Information (error radius)” of the “Location Information” from the mobile station UE.
　また、受信部２１は、運用保守サーバＯＡＭから、ＭＤＴ用の測定項目を指定する指示信号を受信するように構成されていてもよい。 Further, the receiving unit 21 may be configured to receive an instruction signal designating a measurement item for MDT from the operation and maintenance server OAM.
　管理部２２は、移動局ＵＥから受信した「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」を管理するように構成されている。 The management unit 22 is configured to manage the “Validity Time” of the “Location Information” received from the mobile station UE.
　ここで、管理部２２は、移動局ＵＥから受信した「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ」及び移動局ＵＥの速度に基づいて、かかる「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」を算出するように構成されていてもよい。 Here, the management unit 22 may be configured to calculate the “Validity Time” based on the “Uncertainty Information” received from the mobile station UE and the speed of the mobile station UE.
　例えば、図４に示すように、管理部２２は、「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ」が「２０ｍ」である場合、時速３ｋｍで移動している移動局ＵＥから受信した「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」は「２４秒」であると算出し、時速３０ｋｍで移動している移動局ＵＥから受信した「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」は「２.４秒」であると算出し、時速３００ｋｍで移動している移動局ＵＥから受信した「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」は「０.２４秒」であると算出するように構成されていてもよい。 For example, as shown in FIG. 4, when “Uncertainty Information” is “20 m”, the management unit 22 receives “Validity Time” of “Location Information” received from the mobile station UE moving at a speed of 3 km per hour. The “Validity Time” of “Location Information” received from the mobile station UE moving at 30 km / h is calculated to be “2.4 seconds” and moved at 300 km / h. The “Validity Time” of the “Location Information” received from the existing mobile station UE may be calculated to be “0.24 seconds”.
　ここで、管理部２２は、ＳＲＳ（Ｓｏｕｎｄｉｎｇ　Ｒｅｆｅｒｅｎｃｅ　Ｓｉｇｎａｌ）を用いたフェージング周波数推定（ｆｄ推定）や、「ＵＥ　Ｈｉｓｔｏｒｙ　Ｉｎｆｏｒｍａｔｉｏｎ」に規定されているセル滞在時間等を用いて、移動局ＵＥの速度を決定するように構成されていてもよい。 Here, the management unit 22 uses the fading frequency estimation (fd estimation) using SRS (Sounding Reference Signal), the cell stay time defined in “UE History Information”, and the like to determine the speed of the mobile station UE. It may be configured to determine.
　なお、管理部２２は、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」中でない場合に、移動局ＵＥから「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を受信した時点を、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」の開始時点とするように構成されていてもよい。 Note that the management unit 22 may be configured to set the time when the “Location Information” is received from the mobile station UE as the start time of the “Validity Time” when the “Validity Time” is not in progress.
　測定部２３は、移動局ＵＥ宛ての下りデータが発生している「Ａｃｔｉｖｅ　Ｔｉｍｅ」における「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ」を測定するように構成されている。 The measurement unit 23 is configured to measure “DL Throughput” in “Active Time” in which downlink data addressed to the mobile station UE is generated.
　具体的には、測定部２３は、「Ａｃｔｉｖｅ　Ｔｉｍｅ」中に送信した下りデータのデータ量を「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ」とするように構成されていてもよい。ここで、測定部２３は、実際に送信バッファ内に下りデータが格納されている時間を「Ａｃｔｉｖｅ　Ｔｉｍｅ」とするように構成されていてもよい。 Specifically, the measurement unit 23 may be configured so that the data amount of downlink data transmitted during “Active Time” is “DL Throughput”. Here, the measurement unit 23 may be configured so that the time during which the downlink data is actually stored in the transmission buffer is “Active Time”.
　生成部２４は、運用保守サーバＯＡＭに対して送信する「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を生成し、記録部２４Ａに記録するように構成されている。 The generation unit 24 is configured to generate “MDT QoS Measurement Report” to be transmitted to the operation and maintenance server OAM, and to record it in the recording unit 24A.
　具体的には、生成部２４は、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」のうちの最新のものを、「Ａｃｔｉｖｅ　Ｔｉｍｅ」における「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ」に対応する最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」として「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」に含めるように構成されている。 Specifically, the generation unit 24 sets the latest “Location Information” received in “Validity Time” as the latest “Location Information” corresponding to “DL Throughput” in “Active Time”. It is configured to be included in “MDT QoS Measurement Report”.
　送信部２５は、移動局ＵＥや運用保守サーバＯＡＭに対して各種信号を送信するように構成されている。 The transmission unit 25 is configured to transmit various signals to the mobile station UE and the operation and maintenance server OAM.
　例えば、送信部２５は、移動局ＵＥに対して、ＭＤＴ用の所定無線品質を測定するように指示する「Ｍｅａｓｕｒｅｍｅｎｔ　Ｃｏｎｆｉｇｕｒａｔｉｏｎ」を送信するように構成されていてもよい。 For example, the transmission unit 25 may be configured to transmit “Measurement Configuration” instructing the mobile station UE to measure the predetermined radio quality for MDT.
　ここで、送信部２５は、かかる「Ｍｅａｓｕｒｅｍｅｎｔ　Ｃｏｎｆｉｇｕｒａｔｉｏｎ」に、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を取得するように指示する「Ｉｎｄｉｃａｔｉｏｎ」を含めるように構成されていてもよい。 Here, the transmission unit 25 may be configured to include “Indication” for instructing to acquire “Location Information” in the “Measurement Configuration”.
　また、送信部２５は、かかる「Ｍｅａｓｕｒｅｍｅｎｔ　Ｃｏｎｆｉｇｕｒａｔｉｏｎ」に、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の取得方法を指定する「Ｉｎｄｉｃａｔｉｏｎ」を含めるように構成されていてもよい。 In addition, the transmission unit 25 may be configured to include “Indication” that specifies the acquisition method of “Location Information” in the “Measurement Configuration”.
　また、送信部２５は、運用保守サーバＯＡＭに対して、生成部２４によって生成され記録部２５によって記録されている「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を送信するように構成されている。 Further, the transmission unit 25 is configured to transmit “MDT QoS Measurement Report” generated by the generation unit 24 and recorded by the recording unit 25 to the operation and maintenance server OAM.
　ここで、送信部２５は、運用保守サーバＯＡＭによって指定されたタイミングで、かかる「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を送信するように構成されていてもよい。 Here, the transmission unit 25 may be configured to transmit the “MDT QoS Measurement Report” at a timing specified by the operation and maintenance server OAM.
　また、送信部２５は、運用保守サーバＯＡＭに対して、１つの「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」ごとに送信するように構成されていてもよいし、所定のタイミングにて、記録部２５によって記録されている複数の「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を纏めて送信するように構成されていてもよい。 The transmission unit 25 may be configured to transmit to the operation / maintenance server OAM for each “MDT QoS Measurement Report”, or is recorded by the recording unit 25 at a predetermined timing. A plurality of “MDT QoS Measurement Reports” may be collectively transmitted.
　例えば、所定タイミングは、以下のケースが想定される。 For example, the following cases are assumed for the predetermined timing.
-　「Ｉｍｍｅｄｉａｔｅ　ＭＤＴ」の場合、移動局ＵＥが「Ｉｄｌｅ状態」に遷移するタイミング
-　毎日の所定時刻（例えば、ＡＭ１２:００等）
-　無線基地局ｅＮＢにおける記憶媒体が一杯になったタイミング
　以下、図５を参照して、本発明の第１の実施形態に係る移動通信システムの動作の一例について説明する。 -In the case of "Immediate MDT", the timing when the mobile station UE transitions to the "Idle state"
-Daily time (for example, AM 12:00)
-Timing when the storage medium in the radio base station eNB becomes full Hereinafter, an example of the operation of the mobile communication system according to the first embodiment of the present invention will be described with reference to FIG.
　図５に示すように、移動局ＵＥは、時刻Ｔ１において、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」を取得し、時刻Ｔ２において、無線基地局ｅＮＢに対して、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃１」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」を報告する。 As illustrated in FIG. 5, the mobile station UE acquires “Location Information # 1” at time T1, and “MDT Measurement # 1” and “Location Information # 1” to the radio base station eNB at time T2. ".
　ここで、移動局ＵＥは、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」の「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」を併せて報告してもよい。 Here, the mobile station UE may also report “Uncertainty Information # 1” of “Location Information # 1”.
　無線基地局ｅＮＢは、時刻Ｔ２Ａにおいて、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃１」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」を受信すると、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」を起動する。 When the radio base station eNB receives “MDT Measurement # 1” and “Location Information # 1” at time T2A, the radio base station eNB activates “Validity Time” of “Location Information”.
　そして、無線基地局ｅＮＢは、かかる「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」を、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」として管理する。 Then, the radio base station eNB manages the “Location Information # 1” as the latest “Location Information” received in the “Validity Time”.
　ここで、無線基地局ｅＮＢは、運用保守サーバＯＡＭに対して、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」を含む「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を送信しない。 Here, the radio base station eNB does not transmit “MDT QoS Measurement Report” including “Location Information # 1” to the operation and maintenance server OAM.
　また、無線基地局ｅＮＢは、時刻ｔ１において、「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ１-ｔ２）」が開始されたこと（すなわち、送信バッファ内に下りデータが発生したこと）を検知すると、管理している「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を、「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ１-ｔ２）」に対応する「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」とすることを決定する。 When the radio base station eNB detects that “Active Time (t1-t2)” is started at time t1 (that is, downlink data is generated in the transmission buffer), the radio base station eNB manages “Validity The latest “Location Information” received in “Time” is determined to be “Location Information” corresponding to “Active Time (t1-t2)”.
　その後、移動局ＵＥは、時刻Ｔ３において、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」を取得し、時刻Ｔ４において、無線基地局ｅＮＢに対して、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃２」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」を報告する。 Thereafter, the mobile station UE acquires “Location Information # 2” at time T3, and reports “MDT Measurement # 2” and “Location Information # 2” to the radio base station eNB at time T4.
　ここで、移動局ＵＥは、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」の「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」を併せて報告してもよい。なお、移動局ＵＥは、「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」及び「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」が異なる場合にのみ、「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」を報告してもよい。 Here, the mobile station UE may also report “Uncertainty Information # 2” of “Location Information # 2”. Note that the mobile station UE may report “Uncertainty Information # 2” only when “Uncertainty Information # 1” and “Uncertainty Information # 2” are different.
　無線基地局ｅＮＢは、時刻Ｔ４Ａにおいて、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃２」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」を受信すると、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃１」から「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」に更新する。 When the radio base station eNB receives “MDT Measurement # 2” and “Location Information # 2” at time T4A, the radio base station eNB receives the latest “Location Information” received from “Location Information # 1” in “Validity Time”. Update to “Location Information # 2.”
　無線基地局ｅＮＢは、時刻ｔ２において、「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ１-ｔ２）」が終了したこと（すなわち、送信バッファが空になったこと）を検知すると、運用保守サーバＯＡＭに対して、「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ１-ｔ２）」における「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ＃１」及び「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃２」に加えて、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」として「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」を含む「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ＃１」を送信する。 When the radio base station eNB detects that “Active Time (t1-t2)” has ended (that is, the transmission buffer has become empty) at time t2, the radio base station eNB notifies the operation / maintenance server OAM of “Active Time”. In addition to “DL Throughput # 1” and “MDT Measurement # 2” in (t1-t2) ”,“ MDT QoS including “Location Information # 2” as the latest “Location Information” received in “Validity Time”. “Measurement Report # 1” is transmitted.
　かかる場合、無線基地局ｅＮＢは、「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ＃１」を記録しておき、所定タイミングにて、運用保守サーバＯＡＭに対して、「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ＃１」を送信してもよい。 In such a case, the radio base station eNB may record "MDT QoS Measurement Report # 1", at a predetermined timing, with respect to operation and maintenance server OAM, it may send a "MDT QoS Measurement Report # 1" .
　また、無線基地局ｅＮＢは、時刻ｔ３において、「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ３-ｔ４）」が開始されたこと（すなわち、送信バッファ内に下りデータが発生したこと）を検知すると、管理している「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を、「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ３-ｔ４）」に対応する「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」とすることを決定する。 Further, when the radio base station eNB detects that “Active Time (t3-t4)” is started at time t3 (that is, that downlink data is generated in the transmission buffer), the radio base station eNB manages “Validity The latest “Location Information” received in “Time” is determined to be “Location Information” corresponding to “Active Time (t3-t4)”.
　その後、上述の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」が満了した後、移動局ＵＥは、時刻Ｔ５において、無線基地局ｅＮＢに対して、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を報告することなく、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃３」のみを報告する。 Thereafter, after the above “Validity Time” expires, the mobile station UE reports only “MDT Measurement # 3” to the radio base station eNB without reporting “Location Information” at time T5. .
　無線基地局ｅＮＢは、時刻Ｔ５Ａにおいて、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃３」を受信する。ここで、無線基地局ｅＮＢは、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を受信していないため、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を更新しない。 The radio base station eNB receives “MDT Measurement # 3” at time T5A. Here, since the radio base station eNB has not received the “Location Information”, the latest “Location Information” received in the “Validity Time” is not updated.
　無線基地局ｅＮＢは、時刻ｔ４において、「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ３-ｔ４）」が終了したこと（すなわち、送信バッファが空になったこと）を検知すると、運用保守サーバＯＡＭに対して「Ａｃｔｉｖｅ　Ｔｉｍｅ（ｔ１-ｔ２）」における「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ＃２」及び「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃３」に加えて、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」として「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃２」を含む「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ＃２」を送信する。 When the radio base station eNB detects that “Active Time (t3-t4)” has ended (that is, that the transmission buffer has become empty) at time t4, the radio base station eNB notifies the operation maintenance server OAM “Active Time ( In addition to “DL Throughput # 2” and “MDT Measurement # 3” in “t1-t2)”, “MDT Quality Measure including“ Location Information # 2 ”as the latest“ Location Information ”received in“ Validity Time ” "Report # 2" is transmitted.
　かかる場合、無線基地局ｅＮＢは、「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ＃１」を記録しておき、所定タイミングにて、運用保守サーバＯＡＭに対して、「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ＃２」を送信してもよい。 In such a case, the radio base station eNB may record “MDT QoS Measurement Report # 1” and transmit “MDT QoS Measurement Report # 2” to the operation and maintenance server OAM at a predetermined timing. .
　その後、移動局ＵＥは、時刻Ｔ６において、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃３」を取得し、時刻Ｔ７において、無線基地局ｅＮＢに対して、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃４」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃３」を報告する。 Thereafter, the mobile station UE acquires “Location Information # 3” at time T6, and reports “MDT Measurement # 4” and “Location Information # 3” to the radio base station eNB at time T7.
　無線基地局ｅＮＢは、時刻Ｔ７Ａにおいて、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ＃４」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃３」を受信するが、現在「Ａｃｔｉｖｅ　Ｔｉｍｅ」中ではないと判断し、運用保守サーバＯＡＭに対して、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ＃３」を含む「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を送信しない。 The radio base station eNB receives “MDT Measurement # 4” and “Location Information # 3” at time T7A, but determines that it is not currently in “Active Time”, and notifies the operation maintenance server OAM to “Location”. Do not send “MDT QoS Measurement Report” including “Information # 3”.
　本実施形態に係る発明によれば、無線基地局ｅＮＢは、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した最新の「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を、かかる「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に開始された「Ａｃｔｉｖｅ　Ｔｉｍｅ」における「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ」に関連付けて、運用保守サーバＯＡＭに報告するように構成されているため、移動局ＵＥによって報告された移動局ＵＥの位置情報の取得時刻及び無線基地局ｅＮＢによって測定されたＱｏＳ測定結果の測定時刻の乖離を最小限に抑えることができる。 According to the invention according to the present embodiment, the radio base station eNB transmits the latest “Location Information” received in the “Validity Time” to the “DL Throughput” in the “Active Time” started in the “Validity Time”. ”And the measurement time of the QoS measurement result measured by the radio base station eNB and the acquisition time of the location information of the mobile station UE reported by the mobile station UE. Time divergence can be minimized.
　また、本実施形態に係る発明によれば、「Ａｃｔｉｖｅ　Ｔｉｍｅ」内で受信されていない「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」であっても、かかる「Ａｃｔｉｖｅ　Ｔｉｍｅ」が開始する際に起動されている「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信された「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」であれば、かかる「Ａｃｔｉｖｅ　Ｔｉｍｅ」における「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ」に対して関連付けるように構成されているため、「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の正確な関連付けを行いつつ、「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」内に「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」が含まれない可能性を減らすることができる。 Further, according to the invention according to the present embodiment, even if it is “Location Information” that has not been received in “Active Time”, the “Validity Time” that is activated when this “Active Time” is started. If “Location Information” is received at the same time, it is configured to be associated with “DL Throughput” in “Active Time”, so that “DL Throughput” and “Location Information” are accurately associated with each other. , The possibility that “Location Information” is not included in “MDT QoS Measurement Report” can be reduced.
　また、本実施形態に係る発明によれば、「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ」及び移動局ＵＥの速度に基づいて「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」を決定することによって、より正確に「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を関連付けることができる。 Further, according to the invention according to the present embodiment, “DL Throughput” and “Location Information” are more accurately associated by determining “Validity Time” based on “Uncertainty Information” and the speed of mobile station UE. can.
　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、移動通信方法であって、無線基地局ｅＮＢが、移動局ＵＥ宛ての下りデータが発生している「Ａｃｔｉｖｅ　Ｔｉｍｅ（アクティブ期間）」における「ＤＬ　Ｔｈｒｏｕｇｈｐｕｔ（スループット）」を測定する工程Ａと、無線基地局ｅＮＢが、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ（移動局ＵＥの位置情報）」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ（有効期間）」を管理する工程Ｂと、移動局ＵＥが、無線基地局ｅＮＢから受信した「Ｍｅａｓｕｒｅｍｅｎｔ　Ｃｏｎｆｉｇｕｒａｔｉｏｎ（測定構成情報）」に応じて、所定無線品質を測定する工程Ｃと、移動局ＵＥが、無線基地局ｅＮＢに対して、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ（測定結果）」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を報告する工程Ｄと、無線基地局ｅＮＢが、運用保守サーバ（所定サーバ）に対して、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ」を含む「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ（品質測定報告）」を送信する工程Ｅとを有し、工程Ｅにおいて、無線基地局ｅＮＢは、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」のうちの最新のものを「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」に含めることを要旨とする。 A first feature of the present embodiment is a mobile communication method, in which a radio base station eNB performs “DL Throughput (throughput)” in “Active Time (active period)” in which downlink data addressed to the mobile station UE is generated. ”, A process B in which the radio base station eNB manages“ Validity Time (validity period) ”of“ Location Information (location information of the mobile station UE) ”, and the mobile station UE In response to the “Measurement Configuration (measurement configuration information)” received from the eNB, the process C for measuring the predetermined radio quality, and the mobile station UE sends “MDT Measurement (measurement result)” and “Measurement result” to the radio base station eNB. Location Information And a process E in which the radio base station eNB transmits “MDT QoS Measurement Report (quality measurement report)” including “MDT Measurement” to the operation and maintenance server (predetermined server). In Step E, the gist of the radio base station eNB is to include the latest one of the “Location Information” received in the “Validity Time” in the “MDT QoS Measurement Report”.
　本実施形態の第１の特徴において、工程Ｂにおいて、無線基地局ｅＮＢは、「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ（誤差半径）」及び移動局ＵＥの速度に基づいて「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」を算出してもよい。 In the first feature of the present embodiment, in step B, the radio base station eNB may calculate “Validity Time” based on “Uncertainty Information (error radius)” and the speed of the mobile station UE.
　本実施形態の第２の特徴は、無線基地局ｅＮＢであって、移動局ＵＥ宛ての下りデータのスループットを測定するように構成されている測定部２３と、「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」の「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」を管理するように構成されている管理部２２と、移動局ＵＥから、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ」及び「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」を受信するように構成されている受信部２１と、運用保守サーバＯＡＭに対して、「ＭＤＴ　Ｍｅａｓｕｒｅｍｅｎｔ」を含む「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」を送信するように構成されている送信部２５とを具備し、送信部２５は、「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」内に受信した「Ｌｏｃａｔｉｏｎ　Ｉｎｆｏｒｍａｔｉｏｎ」のうちの最新のものを「ＭＤＴ　ＱｏＳ　Ｍｅａｓｕｒｅｍｅｎｔ　Ｒｅｐｏｒｔ」に含め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 radio base station eNB, which is configured to measure the throughput of downlink data addressed to the mobile station UE, and “Validity Time” of “Location Information”. A management unit 22 configured to manage the mobile station UE, a reception unit 21 configured to receive “MDT Measurement” and “Location Information” from the mobile station UE, and an operation and maintenance server OAM, A transmission unit 25 configured to transmit “MDT QoS Measurement Report” including “MDT Measurement”, and the transmission unit 25 receives “Location Information” received in “Validity Time”. For the most recent of the tion "and the spirit that has been configured to include the" MDT QoS Measurement Report ".
　本実施形態の第２の特徴において、管理部２２は、「Ｕｎｃｅｒｔａｉｎｔｙ　Ｉｎｆｏｒｍａｔｉｏｎ」及び移動局ＵＥの速度に基づいて「Ｖａｌｉｄｉｔｙ　Ｔｉｍｅ」を算出するように構成されていてもよい。 In the second feature of the present embodiment, the management unit 22 may be configured to calculate “Validity Time” based on “Uncertainty Information” and the speed of the mobile station UE.
　なお、上述の移動局ＵＥや無線基地局ｅＮＢや運用保守サーバＯＡＭ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 operations of the mobile station UE, the radio base station eNB, and the operation and maintenance server OAM described above may be performed by hardware, may be performed by a software module executed by a processor, or may be a combination of both. May be implemented.
　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 a storage medium of an arbitrary format 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や無線基地局ｅＮＢや運用保守サーバＯＡＭ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や無線基地局ｅＮＢや運用保守サーバＯＡＭ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. The ASIC may be provided in the mobile station UE, the radio base station eNB and operation and maintenance server the OAM. Further, the storage medium and the processor may be provided as a discrete component in the mobile station UE, the radio base station eNB, or the operation and maintenance server OAM.
　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 this 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２０１２－０１７３７５号（２０１２年１月３０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 content of Japanese Patent Application No. 2012-017375 (filed on January 30, 2012) is incorporated herein by reference.
　以上説明したように、本発明によれば、ＭＤＴにおいて、無線基地局ｅＮＢは、移動局ＵＥの位置情報及びＱｏＳ測定結果を正確に関連付けて運用保守サーバＯＡＭに対して報告することができる移動通信方法及び無線基地局を提供することができる。 As described above, according to the present invention, in MDT, the radio base station eNB can accurately report the location information of the mobile station UE and the QoS measurement result in association with the operation and maintenance server OAM. A method and a radio base station can be provided.
ＵＥ…移動局
ｅＮＢ…無線基地局
ＯＡＭ…運用保守サーバ
１１、２１…受信部
１２、２３…測定部
１３、２５…送信部
２２…算出部
２４…生成部 UE ... mobile station eNB ... radio base station OAM ... operation and maintenance server 11, 21 ... receiving unit 12, 23 ... measuring unit 13, 25 ... transmitting unit 22 ... calculating unit 24 ... generating unit

Claims (4)

  1. 　無線基地局が、移動局宛ての下りデータのスループットを測定する工程Ａと、
    　前記無線基地局が、前記移動局の位置情報の有効期間を管理する工程Ｂと、
    　前記移動局が、前記無線基地局から受信した測定構成情報に応じて、所定無線品質を測定する工程Ｃと、
    　前記移動局が、前記無線基地局に対して、前記測定結果及び前記移動局の位置情報を報告する工程Ｄと、
    　前記無線基地局が、所定サーバに対して、前記測定結果を含む品質測定報告を送信する工程Ｅとを有し、
    　前記工程Ｅにおいて、前記無線基地局は、前記有効期間内に受信した前記移動局の位置情報のうちの最新のものを、前記品質測定報告に含めることを特徴とする移動通信方法。     Step A in which the radio base station measures the throughput of downlink data addressed to the mobile station;
    Step B in which the radio base station manages the validity period of the location information of the mobile station;
    Step C in which the mobile station measures a predetermined radio quality according to measurement configuration information received from the radio base station;
    Step D in which the mobile station reports the measurement result and the location information of the mobile station to the radio base station;
    The wireless base station has a step E of transmitting a quality measurement report including the measurement result to a predetermined server,
    In the step E, the radio base station includes the latest information of the location information of the mobile station received within the valid period in the quality measurement report.
  2. 　前記工程Ｂにおいて、前記無線基地局は、誤差半径及び前記移動局の速度に基づいて、前記有効期間を算出することを特徴とする請求項１に記載の移動通信方法。 The mobile communication method according to claim 1, wherein, in the step B, the radio base station calculates the valid period based on an error radius and a speed of the mobile station.
  3. 　移動局宛ての下りデータのスループットを測定するように構成されている測定部と、
    　前記移動局の位置情報の有効期間を管理するように構成されている管理部と、
    　前記移動局から、所定無線品質の測定結果及び該移動局の位置情報を受信するように構成されている受信部と、
    　所定サーバに対して、前記測定結果を含む品質測定報告を送信するように構成されている送信部とを具備し、
    　前記送信部は、前記有効期間内に受信した前記移動局の位置情報のうちの最新のものを、前記品質測定報告に含めるように構成されていることを特徴とする無線基地局。     A measurement unit configured to measure the throughput of downlink data addressed to the mobile station;
    A management unit configured to manage a validity period of the location information of the mobile station;
    A receiving unit configured to receive a measurement result of predetermined radio quality and position information of the mobile station from the mobile station;
    A transmission unit configured to transmit a quality measurement report including the measurement result to a predetermined server;
    The radio base station, wherein the transmission unit is configured to include the latest information of the location information of the mobile station received within the effective period in the quality measurement report.
  4. 　前記管理部は、誤差半径及び前記移動局の速度に基づいて、前記有効期間を算出するように構成されていることを特徴とする請求項３に記載の無線基地局。 The radio base station according to claim 3, wherein the management unit is configured to calculate the effective period based on an error radius and a speed of the mobile station.
PCT/JP2013/052052 2012-01-30 2013-01-30 Mobile communication method and wireless base station WO2013115254A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012017375A JP6122242B2 (en) 2012-01-30 2012-01-30 Mobile communication method and radio base station
JP2012-017375 2012-01-30

Publications (1)

Publication Number Publication Date
WO2013115254A1 true WO2013115254A1 (en) 2013-08-08

Family

ID=48905286

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/052052 WO2013115254A1 (en) 2012-01-30 2013-01-30 Mobile communication method and wireless base station

Country Status (2)

Country Link
JP (1) JP6122242B2 (en)
WO (1) WO2013115254A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016180154A1 (en) * 2015-08-05 2016-11-17 中兴通讯股份有限公司 Method and device for delayed minimization of drive test
CN113727395A (en) * 2020-05-26 2021-11-30 中移(成都)信息通信科技有限公司 Service quality control method, device, equipment and medium

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7271751B1 (en) 2022-03-15 2023-05-11 Kddi株式会社 TERMINAL DEVICE, CONTROL METHOD AND PROGRAM FOR EFFICIENT IMPROVEMENT OF RADIO QUALITY

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011083800A1 (en) * 2010-01-07 2011-07-14 日本電気株式会社 Wireless communication system, radio terminal, radio network, wireless communication method and program
JP2011238990A (en) * 2010-04-30 2011-11-24 Ntt Docomo Inc Mobile terminal device, base station apparatus, and switching center apparatus, and mobile communication method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011083800A1 (en) * 2010-01-07 2011-07-14 日本電気株式会社 Wireless communication system, radio terminal, radio network, wireless communication method and program
JP2011238990A (en) * 2010-04-30 2011-11-24 Ntt Docomo Inc Mobile terminal device, base station apparatus, and switching center apparatus, and mobile communication method

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CATT: "Location Information for QoS Verification", 3GPP TSG RAN WG2 MEETING #75BIS, R2-115102, October 2011 (2011-10-01), pages 1 - 2 *
LG ELECTRONICS INC.: "Throughput and loss rate measurements for MDT QoS verification", 3GPP TSG-RAN WG2 MEETING #76, R2-116247, November 2011 (2011-11-01), pages 1 - 3 *
NTT DOCOMO, INC.: "Summary of email discussion [71#51] UMTS/LTE: MDT - Potential enhancements related to location info reporting", 3GPP TSG-RAN2 #71BIS, R2-105738, October 2010 (2010-10-01), pages 1 - 15 *
NTT DOCOMO, INC.: "Validity time of location information for Immediate MDT", 3GPP TSG- RAN2#72BIS, R2-110281, January 2011 (2011-01-01) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016180154A1 (en) * 2015-08-05 2016-11-17 中兴通讯股份有限公司 Method and device for delayed minimization of drive test
CN113727395A (en) * 2020-05-26 2021-11-30 中移(成都)信息通信科技有限公司 Service quality control method, device, equipment and medium
CN113727395B (en) * 2020-05-26 2023-09-19 中移(成都)信息通信科技有限公司 Quality of service control method, device, equipment and medium

Also Published As

Publication number Publication date
JP2013157828A (en) 2013-08-15
JP6122242B2 (en) 2017-04-26

Similar Documents

Publication Publication Date Title
JP5232925B1 (en) Mobile communication method and radio base station
JP5920499B2 (en) Communication system, network entity, mobile communication device and control method thereof
JP6063050B2 (en) Method and apparatus for RF performance metric estimation
EP2636242B1 (en) Methods and apparatus for enhancing network testing procedures
US9351191B2 (en) Method and apparatus for determining location information of UE during MDT procedure
EP2640115A1 (en) Radio coverage reporting
US10511986B2 (en) Combined measurement report mapping
US10721100B2 (en) Coverage mode based observed time difference of arrival positioning
US11234109B2 (en) Measurement reporting under extended coverage
US9031554B2 (en) Terminal and method for managing cell information in terminal
EP4118863A1 (en) Geolocating minimization of drive test (mdt) measurement reports (mrs) with missing satellite navigation system coordinates
US9668155B2 (en) Method and apparatus of performing radio measurement in
JP6122242B2 (en) Mobile communication method and radio base station
WO2014027603A1 (en) Mobile communication method, radio base station and user equipment
CN110248378B (en) Positioning method and device
WO2014132686A1 (en) Base station, mobile station, wireless quality measurement result reception method, and wireless quality measurement result transmission method
JP5277220B2 (en) Mobile communication method and mobile station

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13743526

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13743526

Country of ref document: EP

Kind code of ref document: A1