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WO2018161679A1 - Procédé et dispositif de positionnement - Google Patents

Procédé et dispositif de positionnement Download PDF

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Publication number
WO2018161679A1
WO2018161679A1 PCT/CN2017/117269 CN2017117269W WO2018161679A1 WO 2018161679 A1 WO2018161679 A1 WO 2018161679A1 CN 2017117269 W CN2017117269 W CN 2017117269W WO 2018161679 A1 WO2018161679 A1 WO 2018161679A1
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WO
WIPO (PCT)
Prior art keywords
terminal
unit
measurement
information
configuration information
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/117269
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English (en)
Chinese (zh)
Other versions
WO2018161679A8 (fr
Inventor
李伟丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Comba Telecom Technology Guangzhou Ltd
Comba Telecom Systems Guangzhou Co Ltd
Tianjin Comba Telecom Systems Co Ltd
Comba Network Systems Co Ltd
Original Assignee
Comba Telecom Technology Guangzhou Ltd
Comba Telecom Systems China Ltd
Comba Telecom Systems Guangzhou Co Ltd
Tianjin Comba Telecom Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Comba Telecom Technology Guangzhou Ltd, Comba Telecom Systems China Ltd, Comba Telecom Systems Guangzhou Co Ltd, Tianjin Comba Telecom Systems Co Ltd filed Critical Comba Telecom Technology Guangzhou Ltd
Publication of WO2018161679A1 publication Critical patent/WO2018161679A1/fr
Publication of WO2018161679A8 publication Critical patent/WO2018161679A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
    • 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
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a positioning method and apparatus.
  • the application based on location services is booming and infiltrates into all aspects of life, such as navigation services, location push, association search and big data behavior.
  • location services In the data age, all kinds of information services derived from location information will shine, which will further highlight the importance of location technology.
  • the distributed coverage system is widely used in indoor and outdoor mobile communication network coverage. Therefore, solving the terminal location of the distributed coverage system is the basis for better promoting the terminal positioning service of the mobile communication network. .
  • the front-end signal separation and back-transmission method is adopted.
  • the method mainly separates the front-end signal and transmits it to the baseband unit through the remote units, but the method takes up too much.
  • the existing terminal positioning technology of the distributed coverage system has the problem that the front-end backhaul occupies excessive bandwidth and has high cost. Therefore, an effective method is needed to solve the above problem.
  • the present invention provides a positioning method and device for solving the problem that the front-end backhaul occupies excessive bandwidth and has high cost in the prior art.
  • An embodiment of the present application provides a positioning method, including:
  • the measurement unit receives configuration information sent by the baseband unit, where the configuration information includes frame number information of the baseband unit, time-frequency resource information to be measured, and measurement type information of the terminal to be located;
  • the measuring unit performs measurement on the terminal to be measured according to the configuration information to obtain a measured value
  • the measuring unit sends the measurement result to the baseband unit, and the measurement result includes the measured value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the method before the measuring unit receives the configuration information sent by the baseband unit, the method further includes:
  • the measuring unit receives the frame number synchronization request sent by the baseband unit;
  • the measuring unit completes the frame number synchronization with the baseband unit according to the frame number synchronization request.
  • the measuring unit is a remote unit; or
  • the measuring unit is an expansion unit connected to the remote unit; the measuring unit performs measurement on the terminal to be measured according to the configuration information, and includes:
  • the extension unit receives IQ data of the remote unit corresponding to the extension unit
  • the extension unit performs measurement on the terminal to be measured according to the configuration information and the IQ data to obtain a measured value.
  • An embodiment of the present application provides another positioning method, including:
  • the baseband unit sends configuration information to the measurement unit, where the configuration information includes frame number information of the baseband unit, time-frequency resource information to be measured, and measurement type information of the terminal to be located;
  • the baseband unit receives the measurement result sent by the measurement unit, and the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located, and the measurement value is obtained by the measurement unit according to the configuration information.
  • the baseband unit determines a plurality of measurement results of the terminal to be located according to the time-frequency resource information of the terminal to be located in the measurement result, and the measurement result is used for positioning the terminal to be located.
  • the method further includes:
  • the baseband unit determines location information of the terminal to be located according to multiple measurement results of the terminal to be located; or
  • the baseband unit sends the plurality of measurement results of the terminal to be located to the positioning calculation server, so that the positioning calculation server determines the location information of the terminal to be located according to the plurality of measurement results of the terminal to be located.
  • determining location information of the terminal to be located including:
  • the embodiment of the present application further provides a positioning device, including:
  • the first receiving unit is configured to: receive configuration information sent by the baseband unit, where the configuration information includes frame number information of the baseband unit, time-frequency resource information to be measured, and measurement type information of the terminal to be located;
  • the measuring unit is configured to: according to the configuration information, the measured terminal is measured to obtain a measured value;
  • the first sending unit is configured to: send the measurement result to the baseband unit, where the measurement result includes the measured value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the first receiving unit is further configured to:
  • the measuring unit completes the frame number synchronization with the baseband unit according to the frame number synchronization request.
  • the measuring unit is a remote unit; or
  • the measuring unit is an expansion unit connected to the remote unit;
  • the measuring unit is specifically configured to: receive IQ data of the remote unit corresponding to the extension unit;
  • the measured terminal is measured to obtain a measured value.
  • the embodiment of the present application further provides another positioning device, including:
  • the second sending unit is configured to: send configuration information to the measurement unit, where the configuration information includes frame number information of the baseband unit, time-frequency resource information to be measured, and measurement type information of the terminal to be located;
  • the second receiving unit is configured to: receive the measurement result sent by the measurement unit, where the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located, and the measurement value is that the measurement unit measures the terminal to be located according to the configuration information. get;
  • the determining unit is configured to: determine, according to the time-frequency resource information of the terminal to be located in the measurement result, a plurality of measurement results of the terminal to be located, where the measurement result is used for positioning the terminal to be located.
  • the determining unit is further configured to:
  • the baseband unit sends the plurality of measurement results of the terminal to be located to the positioning calculation server, so that the positioning calculation server determines the location information of the terminal to be located according to the plurality of measurement results of the terminal to be located.
  • the determining unit is specifically configured to:
  • the embodiment of the present application provides a positioning method and device, where the measurement unit receives the configuration information sent by the baseband unit, where the configuration information includes the frame number information of the baseband unit, the time-frequency resource information to be measured, and the measurement type information of the terminal to be located; According to the configuration information, the measurement target is measured to obtain a measurement value; the measurement unit sends the measurement result to the baseband unit, and the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the embodiment of the present application first receives configuration information sent by the baseband unit by the measurement unit, where the configuration information includes frame number information of the baseband unit, time-frequency resource information to be measured, and measurement type information of the terminal to be located; and then the measurement unit is configured according to the received The information is measured by the positioning terminal to obtain the measured value; the last measuring unit sends the measurement result to the baseband unit, wherein the measurement result includes the measured value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the measuring unit since the measuring unit only needs to perform measurement processing on the positioning terminal according to the configuration information sent by the baseband unit, the overhead is small, and it is convenient to integrate in the measuring unit, and there is no need to add a processing unit in the combiner as in the prior art. A higher cost phenomenon does not increase the additional cost; on the other hand, since the measurement unit transmits the measurement result to the baseband unit, instead of the front-end signal, that is, IQ (in-phase quadrature, as in the prior art) The in-phase orthogonal signal is transmitted back to the baseband unit through the remote unit.
  • IQ in-phase quadrature
  • the transmission of the IQ signal will occupy too much front-end backhaul bandwidth, affecting application expansion, and the present application only transmits the measurement result to the baseband unit, which can overcome The front end occupies a problem of excessive backhaul bandwidth.
  • the solution of the present application has the characteristics of low cost and low bandwidth requirement.
  • the embodiment of the present application further provides a distributed base station, including: a baseband processing unit BBU and a plurality of radio remote units RRU, wherein the BBU is communicably connected to a plurality of the RRUs;
  • the RRU is configured to receive configuration information that is sent by the BBU, where the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement type information of the terminal to be located; according to the configuration information, And the measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located;
  • the BBU configured to send the configuration information to the RRU, and receive the measurement result sent by the RRU; and determine, according to the time-frequency resource information of the to-be-located terminal in the measurement result, A plurality of measurement results of the terminal to be located, the measurement result being used for positioning the terminal to be located.
  • the RRU is further configured to: before receiving configuration information sent by the BBU, receive a frame number synchronization request sent by the BBU; and complete synchronization with a frame number of the BBU according to the frame number synchronization request. .
  • the RRU is configured to receive the IQ data, and perform measurement on the to-be-located terminal according to the configuration information and the IQ data to obtain the measured value;
  • the distributed base station further includes at least one radio frequency extension unit, the radio frequency extension unit is connected to the BBU and the at least one RRU, and the radio frequency extension unit is configured to receive the BBU to correspond to the radio frequency extension unit.
  • the configuration information of the RRU and the IQ data are measured by the terminal to be located according to the configuration information and the IQ data, and the measurement result is sent to the BBU.
  • the measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located;
  • the BBU is further configured to receive the measurement result that is sent by the radio frequency extension unit, and determine a plurality of measurement results of the to-be-located terminal according to the time-frequency resource information of the to-be-located terminal in the measurement result.
  • the BBU is further configured to determine location information of the to-be-located terminal according to the multiple measurement results of the to-be-located terminal after determining the multiple measurement results of the to-be-located terminal; or Sending the multiple measurement results of the to-be-located terminal to the location calculation server, so that the location calculation server determines location information of the to-be-positioned terminal according to the multiple measurement results of the to-be-located terminal.
  • the BBU is configured to determine, from the plurality of measurement results of the to-be-positioned terminal, M measurement results whose measured values are greater than a threshold; and determine, according to the identifier of the remote unit in the M measurement results, The location information of the positioning terminal is mentioned.
  • the embodiment of the present application further provides a radio remote unit RRU in a distributed base station, including at least one processor, a transceiver, and a memory communicatively coupled to the at least one processor;
  • the transceiver is configured to receive configuration information sent by the baseband processing unit BBU in the distributed base station, where the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement type of the terminal to be located. information;
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform: according to the configuration information, Determining the positioning terminal to perform measurement to obtain a measured value;
  • the transceiver is further configured to send the measurement result to the BBU, where the measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located.
  • the transceiver is further configured to: before receiving the configuration information sent by the BBU, receive a frame number synchronization request sent by the BBU; the processor is further configured to: according to the frame number synchronization request, Completion of synchronization with the frame number of the BBU.
  • the transceiver is further configured to receive IQ data
  • the processor is further configured to: perform measurement on the to-be-located terminal according to the configuration information and the IQ data to obtain the measured value.
  • the embodiment of the present application further provides a baseband processing unit BBU in a distributed base station, where the BBU is connected to at least one radio remote unit RRU, where the BBU includes at least one processor, a transceiver, and the at least one processor. Communication connected memory;
  • the transceiver is configured to send configuration information to the RRU, where the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement type information of the terminal to be located; and receiving the RRU
  • the measurement result includes the measurement value, the identifier of the RRU, and the time-frequency resource information of the terminal to be located; the measurement value is that the measurement unit performs the terminal to be located according to the configuration information. Measured;
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform: according to the The time-frequency resource information of the locating terminal is determined, and the plurality of measurement results of the terminal to be located are determined, and the measurement result is used to locate the terminal to be located.
  • the distributed base station further includes at least one radio frequency extension unit, the radio frequency extension unit is connected to the BBU and the at least one RRU, and the radio frequency extension unit is configured to receive the BBU and the The configuration information of the RRU corresponding to the radio frequency extension unit and the IQ data; the measured value is obtained by measuring the to-be-located terminal according to the configuration information and the IQ data, and the measurement result is sent to The measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located;
  • the transceiver is further configured to receive the measurement result sent by the radio frequency extension unit;
  • the processor is further configured to determine, according to the time-frequency resource information of the to-be-located terminal in the measurement result, a plurality of measurement results of the to-be-located terminal.
  • the processor is further configured to: after determining the multiple measurement results of the to-be-positioned terminal, determine location information of the to-be-located terminal according to the multiple measurement results of the to-be-located terminal; Or sending the multiple measurement results of the to-be-located terminal to the positioning calculation server, so that the positioning calculation server determines the location information of the to-be-located terminal according to the multiple measurement results of the to-be-located terminal. .
  • the processor is configured to determine, from the plurality of measurement results of the to-be-positioned terminal, M measurement results whose measured values are greater than a threshold; and determine, according to the identifier of the remote unit in the M measurement results, Location information of the terminal to be located.
  • the embodiment of the present application further provides a radio frequency extension unit in a distributed base station, where the radio frequency extension unit is connected to a BBU of the distributed base station and at least one RRU, where the radio frequency extension unit includes at least one processor, and is sent and received. And a memory communicatively coupled to the at least one processor;
  • the transceiver is configured to receive configuration information and IQ data sent by the BBU to the RRU;
  • the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement type of the terminal to be located. information;
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform: according to the configuration information and the The IQ data is obtained by measuring the to-be-located terminal, and transmitting the measurement result to the BBU, where the measurement result includes the measurement value, the identifier of the RRU, and a time-frequency resource of the terminal to be located. information.
  • the embodiment of the present application further provides a non-transitory computer storage medium storing computer executable instructions for causing the computer to perform the implementation of the present application.
  • Example positioning method Example positioning method.
  • the embodiment of the present application further provides a computer program product, the computer program product comprising a computing program stored on a non-transitory computer readable storage medium, the computer program comprising the computer executable instructions, when the computer When the executable instructions are executed by the computer, the computer is caused to perform the positioning method of the embodiment of the present application.
  • FIG. 1 is a network topology diagram of a distributed system according to an embodiment of the present application
  • FIG. 2 is a network topology diagram of another distributed system according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a positioning method according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of measurement time of a GSM system according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a positioning device according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of another positioning device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a distributed base station according to an embodiment of the present application.
  • FIG. 7(2) is a schematic structural diagram of a distributed base station according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an RRU in a distributed base station according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a BBU in a distributed base station according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a radio frequency extension unit in a distributed base station according to an embodiment of the present disclosure.
  • the terminal to be located can send a positioning signal
  • the terminal to be located can refer to a user equipment (User Equipment, UE for short), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, A wireless communication device, user agent, or user device.
  • UE User Equipment
  • the positioning calculation server may be a device for communicating with the terminal to be located, and may be a GSM (Global System for Mobile Communication) system or a base station in CDMA (Code Division Multiple Access).
  • Transceiver Station BTS
  • BTS Transceiver Station
  • NodeB NodeB
  • WCDMA Wideband Code Division Multiple Access
  • Evolutional Node B evolved base station
  • eNB eNodeB
  • the positioning coverage system of the embodiment of the present application adopts the GSM system, and the positioning algorithm used is the field strength fingerprint method.
  • FIG. 1 a network topology diagram of a distributed system is provided in an embodiment of the present application, where a baseband unit is set under one cell, and the baseband unit establishes a connection relationship with one or more remote units, and the connection manner may be
  • the remote unit is directly connected to the baseband unit, or the remote unit is connected to the baseband unit by cascading.
  • FIG. 1 shows the remote unit 00, the remote unit 01, the remote unit 02, and the remote unit 10.
  • the remote unit 11 and the remote unit 12 are connected to the baseband unit by means of a cascading manner.
  • the terminal to be located is described in the embodiment of the present application.
  • the positioning signal can be received by all the remote units, or can be received by the remote unit, and the plurality of measurement results are sent by the remote unit to the baseband unit, and the baseband unit determines according to the received multiple measurement results.
  • the location information of the terminal to be located may also be that the baseband unit sends multiple measurement results to the positioning calculation server, and the positioning calculation server determines multiple measurements according to the terminal to be located. The result of the quantity determines the location information of the terminal to be located.
  • the measurement work of the terminal to be located shown in FIG. 1 is performed by the remote unit.
  • the measurement work of the terminal to be positioned is performed by the remote unit, and the extension unit may be used for positioning.
  • the terminal performs measurements.
  • FIG. 2 exemplarily shows another distributed system network topology diagram provided by the embodiment of the present application, as shown in FIG. 2 .
  • the remote unit 0, 1, 2 is on the 1st floor
  • the remote units 3, 4, 5 are on the 2nd floor
  • the remote units 0, 1, 2, 3, 4, 5 are directly connected to the extension unit 2, respectively.
  • the remote units 9, 10, 11 are on the 4th floor
  • the remote units 6, 7, 8, 9, 10, 11 are directly connected to the extension unit 1
  • the extension unit 2 is connected to the extension unit 1
  • the expansion unit 1 is connected to the baseband unit.
  • Embodiment 1 and FIG. 3 exemplarily show a schematic diagram of a positioning method provided by an embodiment of the present application. As shown in FIG. 3, the method includes the following steps:
  • the baseband unit sends configuration information to the measurement unit, where the configuration information includes frame number information of the baseband unit, time-frequency resource information to be measured, and measurement type information of the terminal to be located.
  • the measurement unit receives configuration information sent by the baseband unit.
  • the measurement unit performs measurement on the terminal to be measured according to the configuration information to obtain a measured value
  • the measurement unit sends the measurement result to the baseband unit, where the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located;
  • the baseband unit receives the measurement result sent by the measurement unit, where the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located, and the measurement value is obtained by the measurement unit according to the configuration information.
  • the baseband unit determines, according to the time-frequency resource information of the terminal to be located in the measurement result, multiple measurement results of the terminal to be located, and the measurement result is used for positioning the terminal to be located.
  • the baseband unit sends configuration information to the measurement unit, where the configuration information includes frame number information of the baseband unit, time-frequency resource information to be measured, and measurement type information of the terminal to be located.
  • the configuration information may further include resource configuration information required to parse the measurement type information of the terminal to be located in the cell carried by the measurement unit.
  • the measurement type information may be the received power in the specific implementation, or may be the arrival angle and the time advance amount, and the measurement type information is the received power or the arrival angle and the time advance amount, which is determined by which positioning algorithm is adopted, for example, if Using the field strength fingerprint method, then the measurement type information is the received power. If the AOA+TA (AOA: Angle of arrival, TA: timing advance, time advance) algorithm is used, then the measurement type information is reached. Angle and time advance.
  • AOA+TA AOA: Angle of arrival, TA: timing advance, time advance
  • the method further includes: the measuring unit receives the frame number synchronization request sent by the baseband unit; and the measuring unit completes the frame number synchronization with the baseband unit according to the frame number synchronization request.
  • the measurement unit receives the frame number synchronization request sent by the baseband unit
  • the measurement unit first synchronizes the frame number of the local measurement unit with the frame number of the baseband unit according to the frame number synchronization request, because all measurement units under the common cell Both are synchronized with the baseband unit frame number of the local cell. Therefore, the frame numbers of the respective measurement units under the common cell can be guaranteed to be synchronized.
  • the baseband unit Since the baseband unit knows which terminal data is carried by the frame number, it can ensure that the measurement result sent by the subsequent measurement unit to the baseband unit belongs to which terminal, thereby ensuring the correct correspondence between the measurement result of the subsequent measurement unit and the terminal.
  • the measuring unit is a remote unit; or the measuring unit is an expansion unit connected to the remote unit.
  • the S201 receives the configuration information sent by the baseband unit, where the measurement unit directly receives the configuration information of the baseband unit, the remote unit receives the configuration information about the baseband unit forwarded by the extension unit, and the remote unit receives the configuration information.
  • the measuring unit performs measurement on the terminal to be measured according to the configuration information, and specifically, if the measurement type is the arrival angle and the timing advance, the measurement unit receives the positioning signal of the terminal to be located reported by the remote unit, And parsing each received positioning signal to obtain time information and/or angle information of each positioning signal arrival. Another case: If the measurement type is the measurement process of the received power, it will not be described here.
  • S103 specifically includes: the extension unit receives IQ data of the remote unit corresponding to the extension unit; and the extension unit performs measurement on the terminal to be measured according to the configuration information and the IQ data to obtain a measured value.
  • the remote unit receives the positioning signal sent by the terminal to be located, that is, IQ (in-phase quadrature) data, and sends the IQ data to the extension unit, and the extension unit transmits the IQ data and the baseband according to the remote unit.
  • the configuration information sent by the unit is measured by the terminal to be measured to obtain a measured value.
  • the work of measuring the location of the terminal according to the configuration information of the baseband unit can be performed by the remote unit or by the extension unit. Based on this, it can be seen that the solution of the present application has flexibility.
  • the measurement unit sends the measurement result to the baseband unit, and the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located. Specifically, the measurement unit includes the measurement value and the identifier of the remote unit.
  • the time-frequency resource information of the terminal to be located is sent to the baseband unit, where the measured value may be time information and/or angle information of the arrival, or may be received power. Since the measurement unit transmits the measurement result to the baseband unit, instead of transmitting the front end signal, that is, the IQ signal, to the baseband unit through the remote unit as in the prior art, simply transmitting the IQ signal will occupy too many front ends. The bandwidth is returned, which affects the application extension. However, this application only transmits the measurement result to the baseband unit, which can overcome the problem that the front end occupies too much backhaul bandwidth.
  • the baseband unit determines a plurality of measurement results of the terminal to be located according to the time-frequency resource information of the terminal to be located in the measurement result, and the measurement result is used for positioning the terminal to be located. Specifically, the baseband unit determines, according to the time-frequency resource information of the same to-be-located terminal, the plurality of remote units to determine a plurality of measurement results of the same terminal to be located, and determine the number of the terminal to be located. The measurement result can ensure that the positioning operation is performed on the terminal to be positioned according to the plurality of measurement results of the terminal to be located.
  • the method further includes: performing positioning operations according to multiple measurement results of the terminal to be located, which can be implemented in the following two manners:
  • the first baseband unit determines the location information of the terminal to be located according to the multiple measurement results of the terminal to be located. Specifically, the baseband unit performs a positioning operation according to multiple measurement results of the terminal to be located, and outputs the positioning result to determine the to-be-positioned. Location information of the terminal.
  • the baseband unit sends the plurality of measurement results of the terminal to be located to the positioning calculation server, so that the positioning calculation server determines the location information of the terminal to be located according to the plurality of measurement results of the terminal to be located. Specifically, the baseband unit sends the plurality of measurement results of the terminal to be located to the positioning calculation server, and the positioning calculation server performs a positioning operation according to the plurality of measurement results of the terminal to be located, and outputs the positioning result to determine the position information of the terminal to be located.
  • the positioning operation is performed according to the plurality of measurement results of the terminal to be located, and the positioning operation may be performed by the baseband unit or the positioning calculation server, and may be selected according to a specific situation to be determined by the baseband unit or the positioning calculation.
  • the server performs the positioning operation, so based on this, the solution of the present application has flexibility.
  • determining location information of the terminal to be located includes: determining, from the plurality of measurement results of the terminal to be located, M measurement results whose measurement value is greater than a threshold; determining, according to the identifier of the remote unit in the M measurement results, to be determined Location information of the bit terminal. Specifically, if there are four measurement results of the terminal to be located and the threshold is set to 1, the measurement result that the measured value is greater than 1 from the four measurement results of the terminal to be located is the first three, that is, the value of M. 3: Determine location information of the terminal to be located according to the identifier of the remote unit in the determined three measurement results. The setting of the threshold size is set according to a specific implementation situation.
  • the positioning quality of the terminal may be sorted according to the order of the signal receiving quality. Among the plurality of measurement results, M measurement results larger than the threshold are selected. Determining the measurement result that meets the threshold size from the plurality of measurement results according to the set threshold value, and determining the terminal to be located according to the selected measurement result that meets the threshold size and the identifier of the remote unit corresponding to the measurement result.
  • the location information can reduce the computational complexity and improve the accuracy of the positioning.
  • the distributed system coverage system adopts GSM, and the used positioning algorithm is the field strength fingerprint method.
  • FIG. 4 exemplarily shows the measurement time diagram of the GSM system, as shown in FIG. 4 . Since the GSM system is a pure time division system, only one UE per slot per communication is in communication. For the field strength fingerprint method, the remote unit only needs to complete each remote carrier unit for each carrier of the carried cell. The received power of the time slot is measured.
  • the remote unit 00, the remote unit 01, the remote unit 10, and the remote unit 11 receive configuration information of the baseband unit, and the remote unit 00, the remote unit 01, the remote unit 10, and the remote unit 11 are The received configuration information of the baseband unit is used to measure the received power of the UE0 to obtain a measured value, and the remote unit 00, the remote unit 01, the remote unit 10, and the remote unit 11 report the measured value to the baseband unit, wherein the reporting method It can be reported according to a preset period or a non-period reporting, and the baseband unit aggregates the measured values of the same user, that is, UE0 in the same time slot of the same frame number, as shown in FIG.
  • the configuration information includes the frame number information of the baseband unit, the time-frequency resource information to be measured, and the measurement type information of the terminal to be located, where the measurement type information in the configuration information is the received power, because the remote unit exists.
  • the method of directly connecting to the baseband unit may also be connected to the baseband unit after being cascaded by the upper K-stage remote unit. Therefore, the configuration information received by each remote unit, including directly from the baseband unit, is also It includes configuration information from a baseband unit that has been forwarded by the upper K-class remote unit. After receiving the frame number information, each remote unit first synchronizes the local frame number of the local remote unit with the baseband unit, and since all the remote units of the shared cell are synchronized with the baseband unit of the local cell, each of the common cells The timing and frame number of the remote unit can ensure synchronization. Based on this, each remote unit performs receiving power measurement on each time slot of each carrier of the carried cell.
  • each remote unit can perform carrier on each carrier of the carried cell.
  • the measurement of the received power is performed for each time slot, and the received power is measured only for the time slot carrying UE0.
  • each remote unit reports the measured value of the received power to the baseband unit, and the baseband unit aggregates the same carrier with the same frame.
  • the measurement result of the different remote unit in the same time slot, and based on the UE0 identifier scheduled by the time slot of the frame number of the carrier obtains the received power of each remote unit after the UE0 convergence at the current measurement granularity, and
  • the multiple measurement results of the UE0 are reported to the positioning calculation server, and the positioning calculation server performs the multiple measurement results of the received terminal to be located.
  • the UE0 is used to perform the matching operation between the receiving power of each remote unit and the fingerprint database to obtain the UE0 positioning result, specifically, which of the several floors to which the terminal to be located belongs is determined. position.
  • one cell includes 8 carriers, and each carrier adopts dual antennas (sampling rate is 1.92 M), and each channel of IQ is represented by 32 bits, and the existing distributed positioning method is adopted, and each remote unit is achieved.
  • the front-end backhaul bandwidth required for positioning is reduced to about 4,534 points of the prior art. It can be seen that the present application has the advantages of low cost and low bandwidth processing.
  • the distributed overlay system of the embodiment further includes an extension unit. Therefore, the action performed by the remote unit on the measurement may also be performed by the extension unit, thereby completing the front-end independent measurement backhaul. The goal.
  • Embodiment 3 The whole process is similar to the above embodiment. The difference is that the remote unit receives the positioning signal of the terminal to be located, and the remote unit sends the received positioning signal to the extension unit, and the extension unit sends the positioning signal according to the received positioning signal and the baseband unit.
  • the configuration information is measured by the measurement type information of the positioning terminal, and the measurement unit sends the measurement result to the baseband unit.
  • one cell includes 8 carriers, and each carrier adopts dual antennas (sampling rate is 1.92 M), and each channel of IQ is represented by 32 bits, each cell includes four extension units, and each extension unit includes 8 pulls.
  • the existing distributed positioning method is adopted.
  • the front-end backhaul bandwidth between the extension unit and the baseband unit is: 8 (carrier number) * 1.92 (IQ sampling rate) * 32 (IQ bit width) * 4 (extension)
  • this application only needs to increase each in the extension unit.
  • the power statistics function of the time slots is only a simple multiplication and accumulation, and does not bring the load pressure to the expansion unit, so that the application for the distributed system positioning can also be implemented, and the front-end backhaul bandwidth is reduced to the prior art.
  • One of the 4536 points it can be seen that the application has low cost, low bandwidth Rational advantage.
  • the front-end backhaul can effectively reduce the excessive bandwidth requirement.
  • the support positioning application only involves the measurement type required for positioning, the overhead is small, and the integration is convenient in the existing remote unit, and no additional cost is added. Therefore, the application has low cost and low bandwidth requirement.
  • the embodiment of the present application provides a positioning method, where the measurement unit receives the configuration information sent by the baseband unit, where the configuration information includes the frame number information of the baseband unit and the measurement type information of the terminal to be located; the measurement unit measures the terminal to be located according to the configuration information.
  • the measurement unit obtains the measurement result, and the measurement unit sends the measurement result to the baseband unit, and the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the embodiment of the present application first receives configuration information sent by the baseband unit by the measurement unit, where the configuration information includes frame number information of the baseband unit and measurement type information of the terminal to be located; and then the measurement unit performs measurement on the terminal to be located according to the received configuration information.
  • the measured value is obtained.
  • the final measurement unit sends the measurement result to the baseband unit, where the measurement result includes the measured value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the measuring unit since the measuring unit only needs to perform measurement processing on the positioning terminal according to the configuration information sent by the baseband unit, the overhead is small, and it is convenient to integrate in the measuring unit, and there is no need to add a processing unit in the combiner as in the prior art.
  • a higher cost phenomenon does not increase the additional cost; on the other hand, since the measurement unit transmits the measurement result to the baseband unit, instead of the front-end signal, that is, IQ (in-phase quadrature, as in the prior art)
  • the in-phase orthogonal signal is transmitted back to the baseband unit through the remote unit.
  • the transmission of the IQ signal will occupy too much front-end backhaul bandwidth, affecting application expansion, and the present application only transmits the measurement result to the baseband unit, which can overcome The front end occupies a problem of excessive backhaul bandwidth.
  • the solution of the present application has the characteristics of low cost and low bandwidth requirement.
  • FIG. 5 exemplarily shows a schematic diagram of a positioning device.
  • the first receiving unit 201, the measuring unit 202, and the first A transmitting unit 203 are shown in FIG. 5, and the first receiving unit 201, the measuring unit 202, and the first A transmitting unit 203. among them,
  • the first receiving unit 201 is configured to: receive configuration information sent by the baseband unit, where the configuration information includes frame number information of the baseband unit and measurement type information of the terminal to be located;
  • the measuring unit 202 is configured to: according to the configuration information, perform measurement on the terminal to be measured to obtain a measured value;
  • the first sending unit 203 is configured to: send the measurement result to the baseband unit, where the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the first receiving unit 201 is further configured to:
  • the measuring unit completes the frame number synchronization with the baseband unit according to the frame number synchronization request.
  • the measuring unit 202 is a remote unit; or
  • the measuring unit 202 is an expansion unit connected to the remote unit;
  • the measuring unit 202 is specifically configured to: receive IQ data of the remote unit corresponding to the expansion unit;
  • the measured terminal is measured to obtain a measured value.
  • FIG. 6 exemplarily shows another schematic device, as shown in FIG. 6, including: a second sending unit 301, a second receiving unit 302, and a determining unit 303. . among them,
  • the second sending unit 301 is configured to: send configuration information to the measurement unit, where the configuration information includes frame number information of the baseband unit and measurement type information of the terminal to be located;
  • the second receiving unit 302 is configured to: receive the measurement result sent by the measurement unit, where the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located, where the measurement value is performed by the measurement unit according to the configuration information. Measured;
  • the determining unit 303 is configured to: determine, according to the time-frequency resource information of the terminal to be located in the measurement result, a plurality of measurement results of the terminal to be located, where the measurement result is used for positioning the terminal to be located.
  • the determining unit 303 is further configured to:
  • the baseband unit sends the plurality of measurement results of the terminal to be located to the positioning calculation server, so that the positioning calculation server determines the location information of the terminal to be located according to the plurality of measurement results of the terminal to be located.
  • the determining unit 303 is specifically configured to:
  • the embodiment of the present application provides a positioning apparatus, where the measurement unit receives the configuration information sent by the baseband unit, where the configuration information includes the frame number information of the baseband unit and the measurement type information of the terminal to be located; and the measurement unit measures the terminal to be located according to the configuration information.
  • the measurement unit obtains the measurement result, and the measurement unit sends the measurement result to the baseband unit, and the measurement result includes the measurement value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the embodiment of the present application first receives configuration information sent by the baseband unit by the measurement unit, where the configuration information includes frame number information of the baseband unit and measurement type information of the terminal to be located; and then the measurement unit performs measurement on the terminal to be located according to the received configuration information. The measured value is obtained.
  • the final measurement unit sends the measurement result to the baseband unit, where the measurement result includes the measured value, the identifier of the remote unit, and the time-frequency resource information of the terminal to be located.
  • the measuring unit since the measuring unit only needs to perform measurement processing on the positioning terminal according to the configuration information sent by the baseband unit, the overhead is small, and it is convenient to integrate in the measuring unit, and there is no need to add a processing unit in the combiner as in the prior art.
  • the measurement unit sends the measurement result to the baseband unit, instead of the front end signal, that is, the IQ signal is passed back to the remote unit as in the prior art. Passed to the baseband unit, simply speaking, transmitting the IQ signal will occupy too much front-end backhaul bandwidth, affecting application expansion, and this application only transmits the measurement result to the baseband unit, which can overcome the problem that the front end occupies too much backhaul bandwidth.
  • the solution of the present application has the characteristics of low cost and low bandwidth requirement.
  • each module involved in the above embodiments is a logic module.
  • a logical unit may be a physical unit, a part of a physical unit, or multiple physical entities. A combination of units is implemented.
  • the present embodiment does not introduce a unit that is not closely related to solving the technical problem proposed by the present application, but this does not indicate that there are no other units in the present embodiment.
  • the embodiment of the present application provides a distributed base station, as shown in (1) of FIG. 7, including: a baseband processing unit BBU and a plurality of radio remote units RRU, the BBU and the plurality of RRU communication connection.
  • the baseband processing unit BBU is the baseband unit in the foregoing embodiment
  • the radio remote unit RRU is the remote unit in the above embodiment.
  • the RRU is configured to receive configuration information that is sent by the BBU, where the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement type information of the terminal to be located; according to the configuration information, And the measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located.
  • the BBU configured to send the configuration information to the RRU, and receive the measurement result sent by the RRU; and determine, according to the time-frequency resource information of the to-be-located terminal in the measurement result, A plurality of measurement results of the terminal to be located, the measurement result being used for positioning the terminal to be located.
  • the RRU is further configured to: before receiving configuration information sent by the BBU, receive a frame number synchronization request sent by the BBU; and complete synchronization with a frame number of the BBU according to the frame number synchronization request. .
  • the RRU is configured to receive IQ data, and perform measurement on the to-be-located terminal according to the configuration information and the IQ data to obtain the measured value.
  • the distributed base station further includes at least one radio frequency extension unit, where the radio frequency extension unit is connected to the BBU and at least one of the RRUs; Receiving, by the BBU, the configuration information and the IQ data of the RRU corresponding to the radio frequency extension unit, and measuring the to-be-located terminal according to the configuration information and the IQ data. Measure the value, and send the measurement result to the BBU, where the measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located;
  • the BBU is further configured to receive the measurement result that is sent by the radio frequency extension unit, and determine a plurality of measurement results of the to-be-located terminal according to the time-frequency resource information of the to-be-located terminal in the measurement result.
  • the radio frequency extension unit is an extension unit in the foregoing embodiment.
  • the BBU is further configured to determine location information of the to-be-located terminal according to the multiple measurement results of the to-be-located terminal after determining the multiple measurement results of the to-be-located terminal; or Sending the multiple measurement results of the to-be-located terminal to the location calculation server, so that the location calculation server determines location information of the to-be-positioned terminal according to the multiple measurement results of the to-be-located terminal.
  • the BBU is configured to determine, from the plurality of measurement results of the to-be-located terminal, M measurement results whose measured values are greater than a threshold; and determine, according to the identifier of the remote unit in the M measurement results, The location information of the positioning terminal is mentioned.
  • the embodiment of the present application provides a radio remote unit RRU in a distributed base station.
  • the radio remote unit RRU includes at least one processor 400, a transceiver 410, and at least one The processor 400 communicates with the connected memory 420.
  • the transceiver 410 is configured to receive configuration information that is sent by the BBU in the distributed base station, where the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement type information of the terminal to be located.
  • the memory 420 stores instructions executable by the at least one processor 400, the instructions being executed by the at least one processor to enable the at least one processor 400 to perform: according to the configuration information And measuring the terminal to be located to obtain a measured value;
  • the transceiver 410 is further configured to send the measurement result to the BBU, where the measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located.
  • the transceiver 410 is further configured to: before receiving the configuration information sent by the BBU, receive a frame number synchronization request sent by the BBU;
  • the processor 400 is further configured to complete synchronization with a frame number of the BBU according to the frame number synchronization request.
  • the transceiver 410 is further configured to receive IQ data.
  • the processor 400 is further configured to perform measurement on the to-be-targeted terminal according to the configuration information and the IQ data to obtain the measured value.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 400 and various circuits of memory represented by memory 420.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 410 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 400 when performing operations.
  • the processor 400 may be a CPU (Central Embedded Device), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic Device). , complex programmable logic devices).
  • CPU Central Embedded Device
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the embodiment of the present application provides a baseband processing unit BBU in a distributed base station, where the BBU is connected to at least one radio remote unit RRU.
  • the BBU includes at least one processor. 500, a transceiver 510; and a memory 520 communicatively coupled to the at least one processor 500.
  • the transceiver 510 is configured to send configuration information to the RRU, where the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement type information of the terminal to be located; and receiving the RRU transmission
  • the measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located; the measurement value is that the measurement unit is to the terminal to be located according to the configuration information.
  • the memory 520 stores instructions executable by the at least one processor 500, the instructions being executed by the at least one processor 500 to enable the at least one processor 500 to perform: according to the measurements As a result, the time-frequency resource information of the terminal to be located in the result determines a plurality of measurement results of the terminal to be located, and the measurement result is used to locate the terminal to be located.
  • the distributed base station further includes at least one radio frequency extension unit, the radio frequency extension unit is connected to the BBU and the at least one RRU, and the radio frequency extension unit is configured to receive the BBU and the The configuration information of the RRU corresponding to the radio frequency extension unit and the IQ data; the measured value is obtained by measuring the to-be-located terminal according to the configuration information and the IQ data, and the measurement result is sent to The measurement result includes the measurement value, the identifier of the RRU, and time-frequency resource information of the terminal to be located;
  • the transceiver 510 is further configured to receive the measurement result sent by the radio frequency extension unit;
  • the processor 500 is further configured to determine, according to the time-frequency resource information of the to-be-located terminal in the measurement result, multiple measurement results of the to-be-located terminal.
  • the processor 500 is further configured to: after determining the multiple measurement results of the to-be-located terminal, determine location information of the to-be-located terminal according to the multiple measurement results of the to-be-located terminal Or sending the plurality of measurement results of the to-be-located terminal to the positioning calculation server, so that the positioning calculation server determines the location of the to-be-positioned terminal according to the plurality of measurement results of the to-be-located terminal information.
  • the processor 500 is configured to determine, from the plurality of measurement results of the to-be-positioned terminal, M measurement results whose measured values are greater than a threshold; and according to the identifier of the remote unit in the M measurement results, Determining location information of the terminal to be located.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 500 and various circuits of memory represented by memory 520.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 510 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 500 when performing operations.
  • the processor 500 can be a CPU (Central Embedded Device), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic Device). , complex programmable logic devices).
  • CPU Central Embedded Device
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • An embodiment of the present application provides a radio frequency extension unit in a distributed base station, where the radio frequency extension unit is connected to a BBU of the distributed base station and at least one RRU.
  • the radio frequency extension unit includes at least A processor 600, a transceiver 610; and a memory 620 communicatively coupled to at least one processor 600.
  • the transceiver 610 is configured to receive configuration information and IQ data that are sent by the BBU to the RRU.
  • the configuration information includes frame number information of the BBU, time-frequency resource information to be measured, and measurement of the terminal to be located. Type information.
  • the memory 620 stores instructions executable by the at least one processor 600, the instructions being executed by the at least one processor 600 to enable the at least one processor 600 to perform:
  • the measurement result includes the measurement value, an identifier of the RRU And time-frequency resource information of the terminal to be located.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 600 and various circuits of memory represented by memory 620.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 610 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 can store data used by the processor 600 in performing operations.
  • the processor 600 may be a CPU (Central Embedded Device), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic Device). , complex programmable logic devices).
  • CPU Central Embedded Device
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the present application provides a non-transitory computer storage medium storing computer-executable instructions for causing the computer to perform the above The positioning method in any of the embodiments.
  • the present application provides a computer program product comprising a computing program stored on a non-transitory computer readable storage medium, the computer program comprising the computer executable instructions
  • the computer executable instructions When executed by a computer, the computer is caused to perform the positioning method of any of the above embodiments.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that instructions stored in the computer readable memory produce an article of manufacture including an instruction system.
  • the system implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of a flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

Selon un mode de réalisation, la présente invention concerne un procédé et un dispositif de positionnement permettant de réaliser le positionnement d'un terminal à positionner. Le procédé comprend les étapes suivantes : une unité de mesure reçoit des informations de configuration transmises par une unité de bande de base, les informations de configuration comprenant des informations de nombre de trame de l'unité de bande de base, des informations de ressource temps-fréquence à mesurer et des informations de type de mesure d'un terminal à positionner ; l'unité de mesure effectuant, selon les informations de configuration, la mesure sur le terminal afin d'obtenir une valeur mesurée ; et l'unité de mesure transmet un résultat de mesure à l'unité de bande de base, le résultat de mesure comprenant la valeur mesurée, un identifiant d'une unité distante et des informations de ressource temps-fréquence du terminal. Selon le mode de réalisation de la présente invention, l'unité de mesure transmet le résultat de mesure à l'unité de bande de base, de sorte que la bande passante occupée par l'avant puisse être efficacement réduite, ce qui permet de réaliser le positionnement du terminal à positionner.
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CN108770060B (zh) * 2018-05-31 2020-06-05 京信通信系统（中国）有限公司 通导一体网络定位系统以及方法
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