WO2016067786A1 - Programme, terminal sans fil et dispositif de rassemblement d'informations - Google Patents

Programme, terminal sans fil et dispositif de rassemblement d'informations Download PDF

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Publication number
WO2016067786A1
WO2016067786A1 PCT/JP2015/076533 JP2015076533W WO2016067786A1 WO 2016067786 A1 WO2016067786 A1 WO 2016067786A1 JP 2015076533 W JP2015076533 W JP 2015076533W WO 2016067786 A1 WO2016067786 A1 WO 2016067786A1
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WIPO (PCT)
Prior art keywords
area
information
communication environment
wireless terminal
unit
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PCT/JP2015/076533
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English (en)
Japanese (ja)
Inventor
忠士 北谷
身奈 高橋
義孝 神谷
恵一 花見
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ソフトバンク株式会社
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Publication of WO2016067786A1 publication Critical patent/WO2016067786A1/fr

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a program, a wireless terminal, and an information collection device.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-249887
  • a program is provided.
  • the program may be a program for causing a computer included in the wireless terminal to function as a first position information acquisition unit that acquires the first position information of the first positioning accuracy indicating the position of the wireless terminal.
  • Said program may be a program for functioning a computer as a 2nd position information acquisition part which acquires the 2nd position information of the 2nd positioning accuracy higher than the 1st positioning accuracy which shows the position of a radio
  • the above program acquires the second position information to the second position information acquisition unit when it is detected that the wireless terminal has moved from the outside to the inside of the first area based on the first position information. It may be a program for functioning as a control unit.
  • the above-described program is a communication that indicates a communication environment of a wireless terminal when it is detected that the wireless terminal has moved from the outside to the inside of the second area in the first area based on the second position information. It may be a program for functioning as a communication environment information acquisition unit for acquiring environment information. A computer-readable recording medium recording the above program may be provided.
  • the above program may be a program for causing a computer to function as a movement speed information acquisition unit that acquires movement speed information indicating the movement speed of the wireless terminal.
  • the communication environment information acquisition unit detects that the wireless terminal has moved from the outside to the inside of the second area, and when the moving speed indicated by the speed information is smaller than a predetermined value, Communication environment information may be acquired.
  • the first position information acquisition unit may acquire first position information using position information of a relay device that relays communication of a wireless terminal.
  • the second position information acquisition unit may acquire second position information using a GPS signal or a short-range wireless signal.
  • the above program may be a program for causing a computer to function as an event detection unit that detects a predetermined event.
  • the above program causes a computer to function as a selection unit that selects one or more first areas from a plurality of predetermined areas when the event detection unit detects a predetermined event. It can be a program.
  • the selection unit selects one or more first areas based on the distance between the position when the event detection unit detects a predetermined event and each of a plurality of predetermined areas. You can do it.
  • the above program causes the computer to communicate in the second area based on at least one of the number of communication environment information in the second area and the rate of increase in the number of communication environment information in the second area acquired by another wireless terminal. It may be a program for functioning as a setting unit that sets at least one of the number of times environmental information is acquired, the frequency of acquiring communication environment information in the second area, and the geographical range of the second area.
  • the setting unit at least has at least predetermined information on whether or not to acquire the communication environment information of the second area, the frequency of acquisition of the communication environment information of the second area, and the geographical range of the second area. One may be set to a predetermined condition.
  • a wireless terminal may include a first position information acquisition unit that acquires first position information with a first positioning accuracy that indicates a position of the wireless terminal. You may provide the 2nd position information acquisition part which acquires the 2nd position information of the 2nd positioning accuracy which shows the position of a radio
  • a control unit may be provided that causes the second position information acquisition unit to acquire the second position information when it is detected that the wireless terminal has moved from the outside to the inside of the first area based on the first position information.
  • Communication environment information for acquiring communication environment information indicating the communication environment of the wireless terminal when it is detected that the wireless terminal has moved from the outside to the inside of the second area in the first area based on the second position information.
  • An acquisition unit may be provided.
  • the second positioning accuracy may be higher than the first positioning accuracy.
  • an information collecting device may include a collection unit that collects communication environment information acquired by one or more wireless terminals and indicating a communication environment of a predetermined area.
  • the information collection device described above is based on the number of communication environment information to be acquired in the area and at least one of the number of communication environment information acquired in the area and the rate of increase in the number of communication environment information in the area.
  • a determination unit that determines a change in at least one setting of the communication environment information acquisition frequency, the communication environment information acquisition frequency in the area, and the geographical range of the area.
  • the information collection apparatus may include a transmission unit that transmits a control signal instructing change of at least one setting determined by the determination unit to at least a part of one or more wireless terminals.
  • the determination unit acquires communication environment information in the area when the number of communication environment information acquired in the area is smaller than a set value of the number of communication environment information to be acquired in the area. You may decide to increase the frequency. In the above information collection device, the determination unit acquires communication environment information in the area when the number of communication environment information acquired in the area is equal to or greater than a set value of the number of communication environment information to be acquired in the area. It may be decided to stop or to narrow the geographical range of the area.
  • An example of information gathering system 100 is shown roughly.
  • wireless terminal 110 is shown schematically.
  • An example of information gathering server 120 is shown roughly.
  • An example of data table 400 is shown roughly.
  • FIG. 1 schematically shows an example of an information collection system 100.
  • the geofence 32 and the geofence 34 are set around the station 20, and the radio terminal 110 of the station 20 is used by using the radio terminal 110 of the passenger of the train or the radio terminal 110 installed on the train.
  • the details of the information collection system 100 will be described by taking as an example the case of acquiring information related to the communication environment.
  • the geofence 34 is included in the area surrounded by the geofence 32. Further, at least a part of the station 20 is included in an area surrounded by the geofence 34.
  • a geofence is a virtual geographical boundary.
  • the area surrounded by the geofence 32 may be an example of a first area.
  • the region surrounded by the geofence 34 may be an example of a second area.
  • the information collection system 100 includes a wireless terminal 110 and an information collection server 120.
  • the wireless terminal 110 and the information collection server 120 transmit and receive information to and from each other via the communication network 10.
  • the information collection system 100 and the information collection server 120 may be an example of an information collection device.
  • the communication network 10 transmits information between the wireless terminal 110 and the information collection server 120.
  • the communication network 10 includes a relay device 12.
  • the relay device 12 relays communication between the wireless terminal 110 and the information collection server 120. Examples of the relay device 12 include an access point and a base station.
  • the communication network 10 may be a wired communication transmission line, a wireless communication transmission line, or a combination thereof.
  • the communication network 10 may be the Internet, a dedicated line, a wireless communication network, or a combination thereof.
  • the communication method in the wireless communication network may be a mobile communication method or a wireless data communication method. Examples of the mobile communication system include 3G system, LTE system, and 4G system.
  • Wireless data communication methods include wireless PAN methods such as ZigBee (registered trademark) or Bluetooth (registered trademark), wireless LAN methods such as WiFi (registered trademark), wireless MAN methods such as WiMAX (registered trademark), wireless A WAN system etc. can be illustrated.
  • the wireless terminal 110 transmits / receives information to / from a device connected to the communication network 10.
  • the wireless terminal 110 may support a plurality of communication methods.
  • the wireless terminal 110 supports both mobile communication methods such as 3G, LTE, and 4G methods, and wireless communication methods such as a wireless LAN method and a wireless MAN method.
  • Examples of the wireless terminal 110 include a personal computer and a mobile terminal.
  • Examples of the portable terminal include a mobile phone, a smart phone, a PDA, a tablet, a notebook computer or a laptop computer, and a wearable computer.
  • the wireless terminal 110 may be a wireless communication module installed in a moving body such as an automobile, a motorcycle, a bicycle, a train, a ship, an aircraft, an unmanned mobile device (sometimes referred to as a drone).
  • the wireless terminal 110 includes a positioning unit that acquires position information indicating the position of the wireless terminal 110.
  • the wireless terminal 110 may include two or more types of positioning units. Each of the two or more types of positioning units differs in at least one of positioning accuracy and power consumption, for example.
  • a method for specifying the position of the wireless terminal 110 is not particularly limited.
  • the position of the wireless terminal 110 may be specified by the latitude and longitude of the position or the latitude, longitude and altitude of the position.
  • the position of the wireless terminal 110 may be specified by information identifying the address or facility of the position.
  • the wireless terminal 110 acquires communication environment information indicating the communication environment of the wireless terminal 110.
  • the wireless terminal 110 associates the acquired communication environment information with the position information of the position where the communication environment information is acquired, and transmits it to the information collection server 120.
  • the wireless terminal 110 associates the acquired communication environment information, the position information of the position from which the communication environment information has been acquired, and the terminal identification information of the wireless terminal 110 from which the communication environment information has been acquired. 120 may be transmitted.
  • Examples of communication environment information include information on communication carriers, frequency bands of radio waves used for communication, base stations to which the wireless terminal 110 is connected, communication method, radio wave level, communication quality, communication availability, etc. Can do.
  • the communication environment information may include information regarding the communication network 10.
  • Examples of information on the base station include CID (Cell ID), LAC (Location Area Code), PSC (Primary Scrambling Code), and the like.
  • Examples of communication methods include 3G, LTE, 4G, WiFi, tethering, and the like.
  • the radio wave level includes the radio wave reception level, radio wave intensity, RSCP (Received Signal Code Power), RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), and the number of display units of the wireless terminal 110. Can be illustrated. Examples of communication quality include communication speed, data communication throughput, data communication latency, and the like.
  • Whether communication is possible is, for example, when the radio wave reception level is lower than a predetermined level (for example, when out of service area) or when searching for radio waves, communication is not possible (referred to as communication impossible). ). If communication cannot be established within a predetermined period, it may be determined that communication is not possible. If the frequency of occurrence of communication errors is greater than a predetermined value, it may be determined that communication is not possible.
  • Whether or not communication is possible may be determined based on a result of repeating a process (sometimes referred to as trial) of acquiring information regarding a specific radio wave condition or communication quality a plurality of times. For example, when the proportion of trials in which the radio wave condition or the communication quality is better than a predetermined first threshold among the predetermined number of trials is greater than a predetermined second threshold It is determined that communication is possible (sometimes referred to as communication possible). In other cases, it is determined that communication is not possible.
  • the terminal identification information of the wireless terminal is not particularly limited as long as it is information for identifying each of one or more wireless terminals.
  • the terminal identification information of the wireless terminal may be information for identifying each of the one or more wireless terminals for a predetermined period.
  • the terminal identification information includes a MAC address, a BD address for identifying a Bluetooth (registered trademark) compatible device (sometimes referred to as BD_ADDR), an address for identifying a ZigBee (registered trademark) compatible device (ZigBeeID and IDs unique to the wireless terminal, such as ID numbers recorded on various SIM (Subscriber Identity Module) cards.
  • the terminal identification information is an ID unique to the contractor assigned to each contractor of the wireless terminal (sometimes referred to as a contractor specific ID. Depending on the communication carrier, the terminal manufacturing number, user ID, i-mode ( (Registered trademark) ID, subscriber ID, EZ number, terminal serial number, etc.).
  • the terminal identification information of a wireless terminal may be information that is assigned by a specific application and is used by the application to uniquely identify the wireless terminal. Examples of information for uniquely identifying a wireless terminal by an application include a token used for PUSH notification, an account of a web service such as SNS (social networking service), and the like.
  • the wireless terminal 110 executes a predetermined process triggered by the detection of the entry / exit of the geofence by the wireless terminal 110.
  • the wireless terminal 110 is enabled / disabled or ON / OFF of each of two or more positioning units, or two or more positioning units, triggered by detection of the entry / exit of a geofence by the wireless terminal 110. Switch each positioning frequency.
  • the wireless terminal 110 acquires communication environment information indicating the communication environment of the wireless terminal 110 triggered by the detection of the entry / exit of the geofence by the wireless terminal 110 as a trigger.
  • the wireless terminal 110 when the wireless terminal 110 exists outside the area surrounded by the geofence 32, the wireless terminal 110 acquires position information from the first positioning unit among the two or more positioning units. Based on the position information acquired by the first positioning unit, the wireless terminal 110 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 32. When it is detected that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 32, the wireless terminal 110 has a second type that is different from the first positioning unit among the two or more positioning units. Position information is acquired by the positioning unit.
  • the wireless terminal 110 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34 based on the position information acquired by the second positioning unit. When it is detected that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34, the wireless terminal 110 acquires communication environment information. When it is detected that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34, the wireless terminal 110 receives the communication environment information when the moving speed of the wireless terminal 110 is smaller than a predetermined value. May be obtained. Thereby, the communication environment of the wireless terminal 110 can be measured more accurately. In addition, the number of acquired communication environment information can be reduced. As a result, the load on the communication network 10 can be reduced.
  • the positioning accuracy of the second positioning unit is preferably higher than the positioning accuracy of the first positioning unit. Thereby, it can be detected with higher accuracy that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34.
  • the power consumption of the first positioning unit is preferably less than the power consumption of the second positioning unit.
  • the first positioning unit may acquire the position information of the wireless terminal 110 based on information that can be acquired when the communication function of the wireless terminal 110 is valid. Thereby, the electric energy consumed by the acquisition process of position information can be reduced.
  • the wireless terminal 110 when the wireless terminal 110 is outside the area surrounded by the geofence 32, the wireless terminal 110 acquires the position information at the first frequency. Based on the acquired position information, the wireless terminal 110 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 32. When it is detected that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 32, the wireless terminal 110 acquires position information at the second frequency.
  • the second frequency is preferably greater than the first frequency.
  • the first frequency and the second frequency may be set according to the moving speed of the wireless terminal 110. Thereby, it can be detected with higher accuracy that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34. In addition, the amount of power consumed by the position information acquisition process can be reduced.
  • the wireless terminal 110 when the wireless terminal 110 exists outside the area surrounded by the geofence 32, the wireless terminal 110 acquires the communication environment information at the first frequency.
  • the wireless terminal 110 acquires the communication environment information at the second frequency.
  • the second frequency may be the same as the first frequency or may be greater than the first frequency.
  • the wireless terminal 110 acquires the communication environment information at the third frequency.
  • the third frequency may be greater than the second frequency.
  • the wireless terminal 110 sets two geofences for one measurement target.
  • the geofence setting method is not limited to this embodiment.
  • the wireless terminal 110 may set three or more geofences for one measurement target.
  • the wireless terminal 110 may be realized by activating software or a program that defines the operation of each unit of the wireless terminal 110 in an information processing apparatus having a general configuration.
  • An information processing device used as the wireless terminal 110 includes a data processing device having a processor such as a CPU, a ROM, a RAM, a communication interface, and an input device such as a keyboard, a touch panel, a microphone, a GPS information acquisition device, an acceleration sensor, and a gyro sensor. And an output device such as a display device, a speaker, and a vibration device, and a storage device such as a memory and an HDD.
  • the data processing device or the storage device may store the above software or program.
  • the software or program is executed by a processor, and causes the information processing apparatus to execute an operation defined by the instruction or program.
  • the information collection server 120 collects information acquired by one or more wireless terminals 110.
  • the information collection server 120 collects communication environment information acquired by the wireless terminal 110 in a predetermined area. Thereby, the acquisition number of communication environment information can be reduced and the load of the communication network 10 can be reduced.
  • the information collection server 120 may transmit a signal instructing to change the communication environment information acquisition condition to at least a part of the one or more wireless terminals 110. For example, the information collection server 120 determines that the number of communication environment information to be acquired in a specific area in a predetermined first period and one or more wireless terminals 110 correspond to the predetermined second period. Based on at least one of the number of communication environment information acquired in the area and the rate of increase in the number of communication environment information, the number of acquisitions and the acquisition frequency of communication environment information in the area for a predetermined third period, and , Decide to change at least one of the geographical ranges of the area.
  • the second period may be included in the first period, or may be a period before the first period.
  • the third period may be included in the first period.
  • the third period may be a period after the second period.
  • the information collection server 120 sets a target value for the number of communication environment information at Tokyo Station.
  • the information collection server 120 collects communication environment information at Tokyo Station from a plurality of wireless terminals 110.
  • the information collection server 120 sends a signal instructing to stop the acquisition process of the communication environment information at the Tokyo station to all the wireless terminals 110. Send.
  • the information collection server 120 may be realized by starting software or a program that defines the operation of each unit of the information collection server 120 in an information processing apparatus having a general configuration.
  • the information processing device used as the information collection server 120 includes a data processing device having a processor such as a CPU, a ROM, a RAM, a communication interface, an input device such as a keyboard, a touch panel, and a microphone, and an output device such as a display device and a speaker. And a storage device such as a memory or an HDD.
  • the data processing device or the storage device may store the above software or program.
  • the software or program is executed by a processor to cause the information processing apparatus to execute an operation defined by the software or program.
  • the information collection server 120 may be a virtual server or a cloud system.
  • the information collection server 120 may be realized by a single server or may be realized by a plurality of servers.
  • FIG. 2 schematically shows an example of the wireless terminal 110.
  • the wireless terminal 110 includes a geofence setting unit 210, a position information acquisition unit 220, a terminal control unit 230, a moving speed acquisition unit 240, and a communication environment acquisition unit 250.
  • the geofence setting unit 210 includes an area information storage unit 212, an area information update unit 214, an event detection unit 216, and an area selection unit 218.
  • the position information acquisition unit 220 includes a low accuracy positioning unit 222 and a high accuracy positioning unit 224.
  • the terminal control unit 230 includes a movement detection unit 232 and a positioning control unit 234.
  • the area information update unit 214 may be an example of a setting unit.
  • the area selection unit 218 may be an example of a selection unit.
  • the low-accuracy positioning unit 222 may be an example of a first position information acquisition unit.
  • the high-precision positioning unit 224 may be an example of a second position information acquisition unit.
  • the terminal control unit 230 may be an example of a control unit.
  • the geofence setting unit 210 sets a geofence.
  • the details of the geofence setting unit 210 will be described by taking as an example a case where the geofence is set on the boundary line between the inside and the outside of the closed region.
  • the geofence setting unit 210 is not limited to this embodiment.
  • the geofence is set to connect two points.
  • the above-mentioned geofence is displayed on a map, it is displayed as a straight line or a curve connecting two points.
  • the wireless terminal 110 sets a geofence.
  • wireless terminal 110 and the information collection server 120 can be reduced.
  • the geofence setting method is not limited to this embodiment.
  • the geofence may be set by the information collection server 120.
  • the area information storage unit 212 stores information on the area where the geofence is set.
  • the geofence is set, for example, on the boundary line between the inside and outside of each area.
  • the area information storage unit 212 associates, for example, area identification information for identifying each of one or more areas, area position information indicating the geographical range of each area, and communication environment information acquisition conditions in each area. Store.
  • the area information storage unit 212 stores information on an area that exists in the vicinity of the current position of the wireless terminal 110. Thereby, the resource usage of the wireless terminal 110 in the geofence setting process can be reduced. In another embodiment, the area information storage unit 212 stores information on areas where the communication environment should be acquired, and may not store information on areas where the communication environment does not need to be acquired. Thereby, the resource usage of the wireless terminal 110 in the geofence setting process can be reduced.
  • the area information update unit 214 updates the information of each area stored in the area information storage unit 212.
  • the area information update unit 214 may receive a control signal from the information collection server 120 and update information on each area based on the control signal.
  • the control signal includes information indicating a communication environment information acquisition condition in at least one area among one or more predetermined areas.
  • the acquisition condition may be an example of setting of the wireless terminal 110.
  • the control signal includes a command for instructing a change in the acquisition condition of the communication environment information in the area surrounded by the geofence 34.
  • the acquisition condition of the communication environment information in the area surrounded by the geofence 34 includes, for example, at least one of the acquisition frequency and the acquisition frequency of the communication environment information in the area and the geographical range of the area.
  • the area information update unit 214 relates to the area surrounded by the geofence 34 from the area information storage unit 212. Information may be deleted.
  • the area information update unit 214 may determine whether or not the wireless terminal 110 is the target of the command. .
  • the area information update unit 214 may update information on each area based on the control signal.
  • the information indicating the wireless terminal that is the target of the command included in the control signal includes the current position of the wireless terminal 110, the position of the wireless terminal 110 at a specific time or period, the model of the wireless terminal 110, the OS of the wireless terminal 110, and the wireless terminal 110 may be information relating to an application installed in 110.
  • the specific time or period may be a specific time or period in the past, or may be a specific time or period in the future.
  • the area information update unit 214 may set the acquisition condition of the communication environment information in each area to a predetermined condition at a predetermined timing.
  • the predetermined timing may be a predetermined time or a timing at which a predetermined time has elapsed since the previous update.
  • the predetermined condition may be an initial setting.
  • the event detection unit 216 detects a predetermined event (sometimes referred to as a geofence update event). When the event detection unit 216 detects a geofence update event, the event detection unit 216 transmits information indicating the fact to the area selection unit 218.
  • a predetermined event sometimes referred to as a geofence update event
  • the geofence update event may be an event related to the position of the wireless terminal 110.
  • the event related to the position of the wireless terminal 110 includes the start or completion of the location registration process of the wireless terminal 110 to the new base station, the start or completion of the handover process of the wireless terminal 110, and the radio wave from the new relay device. Examples include reception and establishment of communication with a new relay device.
  • the distance between the position of the wireless terminal 110 and the current position of the wireless terminal 110 when the geofence setting process was last performed is larger than a predetermined value. It may be.
  • the event related to the position of the wireless terminal 110 may be that the movement detection unit 232 detects the movement from the outside to the inside of the area surrounded by the geofence 34 of the wireless terminal 110.
  • the event related to the position of the wireless terminal 110 may be that the movement detection unit 232 detects a movement from the inside to the outside of the area surrounded by the geofence 34 of the wireless terminal 110.
  • the geofence update event may be that the communication environment acquisition unit 250 has acquired communication environment information.
  • the geofence update event may be the arrival of a predetermined time or the passage of a predetermined time.
  • the area selection unit 218 selects an area for setting the geofence.
  • the area selection unit 218 sets a geofence on the boundary line of the selected area.
  • the area selection unit 218 receives information indicating that the event detection unit 216 has detected a geofence update event from the event detection unit 216.
  • the area selection unit 218 selects one or more areas where the geofence should be set from a plurality of predetermined areas. .
  • the area selection unit 218 is based on the position of the wireless terminal 110 or the current position of the wireless terminal 110 at the time of detecting the geofence update event, and the respective positions of the plurality of areas stored in the area information storage unit 212. Select one or more areas where the geofence should be set.
  • the area selection unit 218 may select one or more areas where the geofence should be set from one or more areas where the communication environment information should be acquired with reference to the communication environment information acquisition conditions in each area. .
  • the area selection unit 218 selects a predetermined number of areas as the areas where the geofence 32 should be set. Further, the area selection unit 218 selects a predetermined number of areas as the areas where the geofence 34 is to be set. The number of areas where the geofence 34 should be set may be the same as the number of areas where the geofence 32 should be set, or may be larger than the number of areas where the geofence 32 should be set. In another embodiment, the area selection unit 218 sets the geofence 32 or the geofence 34 as an area to be set, and the position of the wireless terminal 110 or the current position of the wireless terminal 110 at the time of detecting the geofence update event, An area whose distance from the center is smaller than a predetermined value is selected.
  • the area selection unit 218 sets the geofence 32 or the geofence 34 as an area to be set, and sets the minimum distance between the position of the wireless terminal 110 or the current position of the wireless terminal 110 when the geofence update event is detected and the boundary of the area. You may select the area whose value is smaller than a predetermined value.
  • the location information acquisition unit 220 acquires location information of the wireless terminal 110.
  • the position information acquisition unit 220 transmits the acquired position information to the terminal control unit 230.
  • the position information acquisition unit 220 may acquire information indicating the accuracy of the position information together with the position information.
  • the position information acquisition unit 220 may transmit information indicating the accuracy of the position information to the terminal control unit 230.
  • the low-accuracy positioning unit 222 acquires the position information of the wireless terminal 110 by a positioning method with lower positioning accuracy than the high-accuracy positioning unit 224. For example, the low-accuracy positioning unit 222 acquires the position information of the wireless terminal 110 using the position information of the relay device 12 that relays communication of the wireless terminal 110.
  • the high-accuracy positioning unit 224 acquires the position information of the wireless terminal 110 by a positioning method with higher positioning accuracy than the low-accuracy positioning unit 222.
  • the high-accuracy positioning unit 224 acquires position information of the wireless terminal 110 using a GPS signal or a short-range wireless signal.
  • the terminal control unit 230 controls each unit of the wireless terminal 110. For example, the terminal control unit 230 controls position information acquisition processing by the low-accuracy positioning unit 222 and the high-accuracy positioning unit 224. The terminal control unit 230 controls communication environment information acquisition processing by the communication environment acquisition unit 250.
  • the movement detection unit 232 detects the movement of the wireless terminal 110.
  • the movement detection unit 232 detects that the movement route of the wireless terminal 110 intersects with the geofence.
  • the movement detection unit 232 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 32 based on the position information acquired by the low-accuracy positioning unit 222.
  • the movement detection unit 232 detects that the wireless terminal 110 has moved from the inside to the outside of the area surrounded by the geofence 32 based on the position information acquired by the low-accuracy positioning unit 222.
  • the movement detection unit 232 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34 based on the position information acquired by the high-precision positioning unit 224.
  • the movement detection unit 232 detects that the wireless terminal 110 has moved from the inside to the outside of the area surrounded by the geofence 34 based on the position information acquired by the high-precision positioning unit 224.
  • the movement detection unit 232 When the movement detection unit 232 detects that the movement route of the wireless terminal 110 intersects with the geofence, the movement detection unit 232 displays information indicating the fact of the geofence setting unit 210, the positioning control unit 234, and the communication environment acquisition unit 250. Send to at least one. For example, when the movement detection unit 232 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 32, the movement detection unit 232 transmits information indicating that fact to the positioning control unit 234. When the movement detection unit 232 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34, the movement detection unit 232 transmits information indicating that fact to the positioning control unit 234. When the movement detection unit 232 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34, the movement detection unit 232 may transmit information indicating that to the geofence setting unit 210.
  • the positioning control unit 234 controls the position information acquisition unit 220.
  • the positioning control unit 234 may control the position information acquisition unit 220 based on the information received from the movement detection unit 232.
  • the positioning control unit 234 may control the position information acquisition unit 220 based on information acquired from the position information acquisition unit 220 and indicating the accuracy of the position information.
  • the positioning control unit 234 causes the high-precision positioning unit 224 to acquire position information when receiving information indicating that the wireless terminal 110 has moved from the outside of the area surrounded by the geofence 32 to the inside. . In another embodiment, the positioning control unit 234 acquires position information by the high-precision positioning unit 224 when receiving information indicating that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 32. Increase frequency.
  • the positioning control unit 234 may cause the low-accuracy positioning unit 222 to acquire position information when receiving information indicating that the wireless terminal 110 has moved from the inside to the outside of the area surrounded by the geofence 32. At this time, the positioning control unit 234 may disable or turn off the function of the high-precision positioning unit 224. The positioning control unit 234 may reduce the frequency of acquisition of position information by the high-precision positioning unit 224 as compared to the case where the wireless terminal 110 exists inside the area surrounded by the geofence 32.
  • the positioning control unit 234 causes the low-accuracy positioning unit 222 to acquire position information until it receives information indicating that the wireless terminal 110 has moved from the outside of the area surrounded by the geofence 32 to the inside. Also good. During this time, the positioning control unit 234 may disable or turn off the function of the high-precision positioning unit 224. The positioning control unit 234 may reduce the frequency of acquisition of position information by the high-precision positioning unit 224 as compared to the case where the wireless terminal 110 exists inside the area surrounded by the geofence 32.
  • the positioning control unit 234 may select a positioning module to be used as each of the low-accuracy positioning unit 222 and the high-accuracy positioning unit 224 from two or more positioning modules.
  • the positioning control unit 234 is a positioning module used as each of the low-accuracy positioning unit 222 and the high-accuracy positioning unit 224 based on information indicating the accuracy of the position information acquired by the low-accuracy positioning unit 222 and the high-accuracy positioning unit 224. May be selected.
  • a positioning module that acquires position information of the wireless terminal 110 using a GPS signal is used as the high-precision positioning unit 224 when the wireless terminal 110 exists outdoors, and the wireless terminal 110 exists indoors.
  • the low-precision positioning unit 222 may be used.
  • the moving speed acquisition unit 240 acquires moving speed information indicating the moving speed of the wireless terminal 110.
  • the movement speed acquisition unit 240 transmits the acquired movement speed information to the communication environment acquisition unit 250.
  • the movement speed acquisition unit 240 may transmit the acquired movement speed information to the terminal control unit 230.
  • An example of the moving speed acquisition unit 240 is an acceleration sensor.
  • the communication environment acquisition unit 250 acquires communication environment information. For example, the communication environment acquisition unit 250 acquires communication environment information when it is detected that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34. The communication environment acquisition unit 250 detects that the wireless terminal 110 has moved from the outside to the inside of the area surrounded by the geofence 34, and when the moving speed of the wireless terminal 110 is smaller than a predetermined value, Environmental information may be acquired.
  • the communication environment acquisition unit 250 receives information indicating that the movement of the wireless terminal 110 from the outside to the inside of the area surrounded by the geofence 34 is detected from the movement detection unit 232. Further, the communication environment acquisition unit 250 acquires the movement speed information of the wireless terminal 110 from the movement speed acquisition unit 240. The communication environment acquisition unit 250 determines whether or not the moving speed of the wireless terminal 110 is smaller than a predetermined value based on the moving speed information.
  • the communication environment acquisition unit 250 refers to the area information storage unit 212 and extracts the acquisition conditions of the communication environment information in the area surrounded by the geofence 34.
  • the communication environment acquisition unit 250 acquires communication environment information in an area surrounded by the geofence 34 according to the extracted acquisition conditions.
  • the communication environment acquisition unit 250 repeats the communication environment information acquisition process in the area surrounded by the geofence 34 as many times as indicated by the extracted acquisition conditions.
  • the communication environment acquisition unit 250 may repeat the communication environment information acquisition process in the area surrounded by the geofence 34 at a frequency indicated by the extracted acquisition condition.
  • the communication environment acquisition unit 250 may acquire the communication environment information according to a predetermined acquisition condition when the wireless terminal 110 exists outside the area surrounded by the geofence 34.
  • the communication environment acquisition unit 250 may not acquire the communication environment information when the wireless terminal 110 exists outside the area surrounded by the geofence 34.
  • the communication environment acquisition unit 250 associates the communication environment information indicating the communication environment of the wireless terminal 110 with the position information indicating the position of the wireless terminal 110 when the communication environment information is acquired, and Send.
  • the communication environment acquisition unit 250 includes (a) communication environment information indicating the communication environment of the wireless terminal 110, (b) position information indicating the position of the wireless terminal 110 when the communication environment information is acquired, and (c).
  • the terminal identification information of the wireless terminal 110 and at least one of the acquisition time information indicating the time or time segment when the communication environment information is acquired may be associated with each other and transmitted to the information collection server 120. Examples of time divisions include time zones, days of the week, holidays, weekdays, and combinations thereof.
  • the communication environment acquisition unit 250 may transmit log information associated with at least communication environment information and position information to the information collection server 120.
  • the timing at which the communication environment acquisition unit 250 transmits log information and the like is not particularly limited.
  • the communication environment acquisition unit 250 may transmit log information or the like to the information collection server 120 while the wireless terminal 110 exists in the area surrounded by the geofence 34.
  • the communication environment acquisition unit 250 may transmit log information or the like to the information collection server 120 after the wireless terminal 110 leaves the area surrounded by the geofence 32 or the geofence 34.
  • FIG. 3 schematically shows an example of the information collection server 120.
  • the information collection server 120 includes a log information acquisition unit 310, a log information storage unit 320, and a server control unit 330.
  • the server control unit 330 includes a log information monitoring unit 332, a control signal generation unit 334, and a control signal transmission unit 336.
  • the log information acquisition unit 310 may be an example of a collection unit.
  • the control signal generation unit 334 may be an example of a determination unit.
  • the control signal transmission unit 336 may be an example of a transmission unit.
  • the log information acquisition unit 310 acquires one or more log information from each of the one or more wireless terminals 110.
  • the log information storage unit 320 stores the log information acquired by the log information acquisition unit 310.
  • the server control unit 330 controls each unit of the information collection server 120.
  • the log information monitoring unit 332 monitors log information.
  • the log information monitoring unit 332 monitors the number of communication environment information for each area.
  • the log information monitoring unit 332 refers to the log information storage unit 320 and counts the number of communication environment information in a predetermined period for each area. When the number of communication environment information in a specific area exceeds a predetermined value, the log information monitoring unit 332 notifies the control signal generation unit 334 of area identification information of the area.
  • the log information monitoring unit 332 may notify the area identification information and information indicating that the number of communication environment information in the area has reached a predetermined value or more.
  • the log information monitoring unit 332 monitors the increasing speed of the number of communication environment information for each area.
  • the log information monitoring unit 332 refers to the log information storage unit 320 and calculates the rate of increase in the number of communication environment information for a predetermined period for each area.
  • the log information monitoring unit 332 notifies the control signal generation unit 334 of area identification information of the area.
  • the log information monitoring unit 332 may notify the area identification information and information indicating that the increase rate of the number of communication environment information in the area is equal to or higher than a predetermined value.
  • the increasing speed of the number of communication environment information in a predetermined period is calculated, for example, by dividing the number of communication environment information increased in a predetermined period by the time of the predetermined period.
  • the conditions for the log information monitoring unit 332 to notify the control signal generation unit 334 of information are not limited to the above conditions.
  • the log information monitoring unit 332 The identification information may be notified to the control signal generation unit 334.
  • the control signal generation unit 334 generates a control signal that controls the wireless terminal 110.
  • the control signal generation unit 334 may determine the acquisition condition of the communication environment information in at least one area out of one or more predetermined areas.
  • the communication environment information acquisition condition is a condition or setting relating to at least one of the type of communication environment information to be acquired, the acquisition position of the communication environment information, the time or time segment for acquiring the communication environment information, and the number of acquisition of the communication environment information It may be.
  • the control signal generation unit 334 may determine whether to change the communication environment information acquisition condition based on information notified from the log information monitoring unit 332, for example.
  • the control signal generation unit 334 may determine the change of the acquisition condition of the communication environment information in at least one area among the one or more predetermined areas.
  • the control signal generation unit 334 includes information indicating that at least one of the number of communication environment information and the increase rate of the number of communication environment information in a specific area is equal to or greater than a predetermined value. When received from the log information monitoring unit 332, it is determined to change the acquisition condition of the communication environment information.
  • control signal generation unit 334 newly determines a communication environment information acquisition condition at a predetermined time or at a predetermined time interval.
  • the control signal generation unit 334 includes at least one of the target value of the acquisition number of communication environment information, the acquisition number at that time, the increase rate of the acquisition number at that time, and the increase rate of the acquisition number in the past.
  • the acquisition condition of the communication environment information in at least one of the predetermined one or more areas is newly determined.
  • the control signal generation unit 334 compares the newly determined acquisition condition and the current acquisition condition, and if both are different, the communication environment information in at least one of the predetermined one or more areas The change of the acquisition condition may be determined.
  • the control signal generation unit 334 may determine to change the acquisition condition of the specific wireless terminal 110.
  • the specific wireless terminal 110 is based on the current position of the wireless terminal 110, the position of the wireless terminal 110 at a specific time or period, the model of the wireless terminal 110, the OS of the wireless terminal 110, an application installed in the wireless terminal 110, and the like. May be determined. Thereby, for example, even when the control signal is transmitted by the PUSH notification, whether or not the wireless terminal is to be controlled by the control signal on the side of the wireless terminal that has received the control signal. Can be determined.
  • the control signal generation unit 334 generates a control signal indicating the determined acquisition condition.
  • the control signal may be a signal instructing to change the acquisition condition determined by the control signal generation unit 334.
  • the control signal generation unit 334 transmits the generated control signal to the control signal transmission unit 336.
  • control signal generation unit 334 determines the acquisition condition of communication environment information in at least one area out of one or more predetermined areas based on information received from the log information monitoring unit 332. .
  • the control signal generation unit 334 includes at least one of the number of communication environment information to be acquired in each area, the number of communication environment information acquired in each area, and the increase rate of the number of communication environment information in each area. Based on the above, the acquisition condition of the communication environment information of each area is determined.
  • the control signal generation unit 334 Decide to increase the frequency of acquisition of communication environment information. In another embodiment, the control signal generation unit 334 determines the area when the number of pieces of communication environment information acquired in the specific area is equal to or larger than the set value of the number of pieces of communication environment information to be acquired in the area. It is decided to stop the acquisition of the communication environment information or to narrow the geographical range of the area.
  • control signal generation unit 334 includes the number of communication environment information to be acquired in a specific area in a predetermined first period and one or more wireless terminals 110 in the second period. Based on at least one of the number of communication environment information acquired in the area and the rate of increase in the number of communication environment information, the number of acquisitions and the acquisition frequency of the communication environment information in the area in the third period, and the area To change at least one of the geographical ranges of The second period may be included in the first period, or may be a period before the first period.
  • the third period may be included in the first period.
  • the third period may be a period after the second period.
  • the second period and the third period may be a predetermined period.
  • the control signal transmission unit 336 transmits the control signal generated by the control signal generation unit 334 to one or more wireless terminals 110.
  • the control signal transmission unit 336 may transmit a control signal to all the wireless terminals managed by the information collection system 100, and a control signal may be transmitted to a part of one or more wireless terminals managed by the information collection system 100. May be sent.
  • the method for transmitting the control signal is not particularly limited.
  • the control signal transmission unit 336 transmits a control signal by a PUSH notification.
  • FIG. 4 schematically shows an example of the data table 400.
  • the data table 400 stores an area ID 410, an area name 420, an area position 430, and the communication environment information acquisition count 440 in the area in association with each other.
  • At least one of the area ID 410 and the area name 420 may be an example of area identification information.
  • the number of acquisition times 440 may be an example of an acquisition condition for communication environment information.
  • the area position 430 is expressed using the center position 432 and the radius 434.
  • the center position 432 is specified by, for example, latitude and longitude.
  • the center position 432 may be specified by latitude, longitude, and altitude.
  • the center position 432 may be specified by information identifying an address or a facility.
  • the area position 430 may be specified by the latitude and longitude of each vertex of the polygon, or the latitude, longitude, and altitude.
  • the area position 430 may be specified by information identifying the address or facility of each vertex of the polygon.
  • the area position 430 is specified by a section (may be referred to as a regional mesh) obtained by subdividing a region into unit regions having a predetermined size and shape.
  • the area position 430 is specified by identification information of a mesh at least a part of which is included in the area position 430, identification information of a mesh including at least a part of the area position 430, and the like.
  • the communication environment information acquisition count 440 in the area when the communication environment information acquisition count 440 in the area is not particularly set, “None” is indicated.
  • the record may be deleted from the data table 400.
  • the areas indicated by area IDs A0001, A0003, A0005, and A0007 may have the same configuration as the area surrounded by the geofence 32, and may be an example of the first area.
  • the areas indicated by area IDs A0002, A0004, A0006, and A0008 may have the same configuration as the area surrounded by the geofence 34, and may be an example of a second area.
  • the data table 400 stores the area ID 410 and the communication environment information acquisition count 440 in the area in association with each other has been described.
  • the data table 400 is not limited to this embodiment.
  • the communication environment information acquisition frequency in the area corresponds to the area ID 410. You may store it.

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

Abstract

　Lorsque des résultats de mesure pour une vitesse de ligne sont rassemblés plus qu'il n'est nécessaire, le poids sur un réseau de communication augmente. Grâce à la présente invention, un ordinateur comportant un terminal sans fil est amené à fonctionner comme première unité d'acquisition d'informations de position qui indique la position du terminal sans fil, la première unité d'acquisition d'informations de position acquérant des premières informations de position à une première précision de positionnement, et comme seconde unité d'acquisition d'informations de position qui indique la position du terminal sans fil, la seconde unité d'acquisition d'informations de position acquérant des secondes informations de position à une seconde précision de positionnement supérieure à la première précision de positionnement. Lorsqu'il est détecté, sur la base des premières informations de position, que le terminal sans fil s'est déplacé de l'extérieur d'une première zone à l'intérieur de la première zone, l'ordinateur fonctionne comme unité de commande qui amène la seconde unité d'acquisition d'informations de position à acquérir les secondes informations de position. Lorsqu'il est détecté, sur la base des secondes informations de position, que le terminal sans fil s'est déplacé de l'extérieur d'une seconde zone, qui se trouve à l'intérieur de la première zone, à l'intérieur de la seconde zone, l'ordinateur fonctionne comme unité d'acquisition d'informations d'environnement de communication pour acquérir des informations d'environnement de communication qui indiquent l'environnement de communication du terminal sans fil.
PCT/JP2015/076533 2014-10-29 2015-09-17 Programme, terminal sans fil et dispositif de rassemblement d'informations WO2016067786A1 (fr)

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