WO2022028252A1 - 发送通道时延的校正方法、装置及存储介质 - Google Patents
发送通道时延的校正方法、装置及存储介质 Download PDFInfo
- Publication number
- WO2022028252A1 WO2022028252A1 PCT/CN2021/107775 CN2021107775W WO2022028252A1 WO 2022028252 A1 WO2022028252 A1 WO 2022028252A1 CN 2021107775 W CN2021107775 W CN 2021107775W WO 2022028252 A1 WO2022028252 A1 WO 2022028252A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- positioning
- base station
- information
- reference signal
- request
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/32—Multimode operation in a single same satellite system, e.g. GPS L1/L2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0205—Details
- G01S5/0236—Assistance data, e.g. base station almanac
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0205—Details
- G01S5/021—Calibration, monitoring or correction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a method, device and storage medium for calibrating transmission channel delay.
- 3GPP the 3rd Generation Partnership Project, the 3rd Generation Partnership Project
- NR New Radio, new air interface
- Downlink Time Difference of Arrival DL-TDOA
- NR uplink time difference of arrival method UPlink Time Difference of Arrival, UL-TDOA
- NR Multi-cell round trip time positioning method Multi Round Trip Time, Multi-RTT
- Tx Delay transmission delay
- Rx Delay reception time delay
- Embodiments of the present disclosure provide a method, device, and storage medium for calibrating transmission channel delay, so as to solve the defects in the related art that it is difficult to eliminate the influence of Tx Delay on the positioning measurement value, resulting in large positioning error and unsatisfactory positioning accuracy. .
- an embodiment of the present disclosure provides a method for calibrating a transmission channel delay, which is applied to a positioning server LMF, including:
- the positioning measurement value is corrected
- the positioning measurement value is obtained by measuring, by the receiving node, the positioning reference signal sent by the sending node according to the positioning reference signal configuration information.
- the transmission node is a base station and/or a user terminal UE, wherein,
- the Tx Delay parameter information is the base station Tx Delay parameter information
- the receiving node is a UE
- the positioning reference signal is a downlink positioning reference signal
- the Tx Delay parameter information is UE Tx Delay parameter information
- the receiving point is a base station
- the positioning reference signal is an uplink positioning reference signal
- the Tx Delay parameter information includes the base station Tx Delay parameter information and the UE Tx Delay parameter information
- the receiving nodes are the UE and the base station respectively
- the positioning reference signals are respectively Downlink Positioning Reference Signal and Uplink Positioning Reference Signal.
- the transmitting node is a base station
- the receiving node sends the transmission channel delay Tx Delay parameter information sent by the transmitting node to the receiving node.
- Positioning reference signal configuration information including:
- the positioning measurement value is corrected, including:
- the first positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the method before the sending the request TRP information message to the base station, the method further includes:
- the transmission channel delay Tx Delay parameter information sent by the receiving and transmitting node is sent to the receiving node.
- the node sends the positioning reference signal configuration information, including:
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtaining a second positioning measurement;
- the positioning measurement value is corrected, including:
- the second positioning measurement value is corrected.
- Delay parameter information obtained by the UE further includes:
- the transmission channel delay Tx Delay parameter information sent by the receiving and transmitting nodes is sent to the UE.
- the receiving node sends the positioning reference signal configuration information, including:
- TRP information downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information
- the UE Sending a provide positioning assistance data message to the UE, where the providing positioning assistance data message includes the downlink positioning reference signal configuration information, so that the UE can measure the downlink positioning reference sent by the base station according to the downlink positioning reference signal configuration information signal to obtain a third positioning measurement value;
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtain a fourth positioning measurement;
- the positioning measurement value is corrected based on the Tx Delay parameter information, including:
- the fourth positioning measurement value is corrected.
- the method for calibrating transmission channel delay according to an embodiment of the present disclosure further includes:
- the base station includes a serving base station and at least one neighboring base station, and the positioning reference signal configuration information is determined by the serving base station.
- the transmission channel delay Tx Delay parameter information includes absolute group delay information of the transmission channel, relative group delay information of the transmission channel and a quality indicator of the transmission channel group delay information;
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- an embodiment of the present disclosure further provides a method for calibrating transmission channel delay, which is applied to a user terminal UE, including:
- the positioning measurement value is obtained by the base station measuring the uplink positioning reference signal sent by the UE according to the configuration information of the uplink positioning reference signal, and/or sending the base station to the base station according to the configuration information of the downlink positioning reference signal for the UE.
- the downlink positioning reference signal is measured and obtained.
- the sending of the UE Tx Delay parameter information to the location server LMF includes:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information;
- the Provide UE Tx Delay message includes the UE Tx Delay parameter information.
- the method further includes:
- the method further includes:
- the downlink positioning reference signal sent by the base station is measured to obtain a third positioning measurement value, and the third positioning measurement value is sent to the LMF for the LMF to use the base station based on the Tx Delay parameter information, to correct the third positioning measurement value;
- the base station receiving the uplink positioning reference signal configuration information sent by the base station through RRC signaling, and sending the uplink positioning reference signal to the base station, so that the base station can measure the uplink positioning reference signal, and obtain a fourth positioning measurement value, and Sending the fourth positioning measurement value to the LMF for the LMF to correct the fourth positioning measurement value based on the UE Tx Delay parameter information.
- an embodiment of the present disclosure further provides a method for calibrating transmission channel delay, applied to a base station, including:
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the sending of the base station Tx Delay parameter information to the location server LMF includes:
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information; or,
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, Downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information.
- the base station includes a serving base station and at least one neighboring base station, and the uplink positioning reference signal configuration information and/or the downlink positioning reference signal configuration information are set by: The serving base station is determined.
- an embodiment of the present disclosure further provides a method for calibrating transmission channel delay, which is applied to a user terminal UE, including:
- the positioning measurement value is obtained by measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information by the receiving node.
- the receiving base station Tx Delay parameter information sent by the base station or the positioning server LMF includes:
- the Before positioning measurements are corrected, also include:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the fifth positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the transmitting node is a base station and a UE
- the transmitting node is a base station and a UE
- the UE Tx Delay parameter information and/or the base station Tx Delay parameter information also include:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- all base stations participating in positioning include the serving base station and at least one adjacent base station;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the seventh positioning measurement value is corrected.
- the UE Tx Delay parameter information or the base station Tx Delay parameter information includes absolute group delay information of the transmission channel and relative group delay information of the transmission channel. and the quality indicator of the transmission channel group delay information;
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- an embodiment of the present disclosure further provides a method for calibrating a transmission channel delay, which is applied to a positioning server LMF, including:
- the positioning measurement value is obtained by the receiving node measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information
- the receiving node when the sending node is a base station, the receiving node is a UE; when the sending node is a UE and a base station, the receiving node corresponds to a base station and a UE, respectively.
- the obtaining of base station Tx Delay parameter information and positioning reference signal configuration information includes:
- the request TRP information message is used to simultaneously request the serving base station to provide the downlink positioning reference signal configuration information, the uplink positioning reference signal configuration information, and the TRP information and base station Tx Delay information of the serving base station;
- the request TRP information message is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station;
- the request TRP information message is used to simultaneously request the serving base station to provide downlink positioning reference signal configuration information, TRP information of the serving base station, and base station Tx Delay information; for a neighboring base station, the request TRP The information message request is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station.
- the method for calibrating transmission channel delay according to an embodiment of the present disclosure further includes:
- the method further includes:
- the request measurement information message includes the uplink positioning reference signal configuration information, and is used to request all reference positioning base stations to measure the uplink positioning reference signal sent by the UE, and report the measurement to the positioning measurements;
- the positioning measurement values sent by all the base stations participating in the positioning are received, and the positioning measurement values sent by all the base stations participating in the positioning are sent to the UE.
- an embodiment of the present disclosure further provides a method for calibrating transmission channel delay, applied to a base station, including:
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the providing positioning reference signal configuration information for the user terminal UE includes:
- uplink positioning reference signal configuration information Generate uplink positioning reference signal configuration information and downlink positioning reference signal configuration information, and send them to the positioning server LMF, so that the LMF sends the downlink positioning reference signal configuration information to the UE, and sends the uplink positioning reference signal configuration information to all base stations participating in the positioning;
- the base station configures the uplink positioning reference signal configuration information for the UE through RRC signaling, so that the UE sends the uplink positioning reference signal to the base station through the RRC signaling according to the uplink positioning reference signal configuration information.
- the base station includes a serving base station and at least one adjacent base station
- the sending of the base station Tx Delay parameter information to the UE includes:
- the serving base station directly sends its own base station Tx Delay parameter information to the UE, or forwards its own base station Tx Delay parameter information through the LMF, and the neighboring base station forwards its own base station Tx Delay parameter information through the serving base station or the LMF .
- the providing positioning reference signal configuration information for a user terminal UE, and sending the base station Tx Delay parameter information to the UE includes:
- the request TRP information message is used to simultaneously request the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the The request TRP information message requests the neighboring base station to provide its own TRP information and base station Tx Delay information; or,
- the request TRP information message simultaneously requests the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the request TRP information message requests the adjacent base station The base station provides its own TRP information and base station Tx Delay information.
- an embodiment of the present disclosure further provides a positioning server LMF, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is corrected
- the positioning measurement value is obtained by measuring, by the receiving node, the positioning reference signal sent by the sending node according to the positioning reference signal configuration information.
- the sending node is a base station and/or a user terminal UE, wherein,
- the Tx Delay parameter information is base station Tx Delay parameter information
- the receiving node is a UE
- the positioning reference signal is a downlink positioning reference signal
- the Tx Delay parameter information is UE Tx Delay parameter information
- the receiving point is a base station
- the positioning reference signal is an uplink positioning reference signal
- the Tx Delay parameter information includes the base station Tx Delay parameter information and the UE Tx Delay parameter information
- the receiving nodes are the UE and the base station respectively
- the positioning reference signals are respectively Downlink Positioning Reference Signal and Uplink Positioning Reference Signal.
- the receiving node in the case where the sending node is a base station, the receiving node sends the transmission channel delay Tx Delay parameter information sent by the sending node, and sends the positioning reference signal configuration to the receiving node.
- information including:
- the positioning measurement value is corrected, including:
- the first positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the method before the sending the request TRP information message to the base station, the method further includes:
- the receiving node sends the positioning reference to the receiving node by receiving the transmission channel delay Tx Delay parameter information sent by the sending node.
- Signal configuration information including:
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtaining a second positioning measurement;
- the positioning measurement value is corrected, including:
- the second positioning measurement value is corrected.
- the method before receiving the UE Tx Delay parameter information obtained by the UE, the method further includes:
- the sending nodes are a base station and a UE, respectively
- the receiving node sends the location information to the receiving node by receiving the transmission channel delay Tx Delay parameter information sent by the sending node.
- Reference signal configuration information including:
- TRP information downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information
- the UE Sending a provide positioning assistance data message to the UE, where the providing positioning assistance data message includes the downlink positioning reference signal configuration information, so that the UE can measure the downlink positioning reference sent by the base station according to the downlink positioning reference signal configuration information signal to obtain a third positioning measurement value;
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtain a fourth positioning measurement;
- the positioning measurement value is corrected based on the Tx Delay parameter information, including:
- the fourth positioning measurement value is corrected.
- the location server LMF according to an embodiment of the present disclosure further includes:
- the base station includes a serving base station and at least one neighboring base station, and the positioning reference signal configuration information is determined by the serving base station.
- the transmission channel delay Tx Delay parameter information includes absolute group delay information of the transmission channel, relative group delay information of the transmission channel, and transmission channel group delay information. quality designation; of which,
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- an embodiment of the present disclosure further provides a user terminal UE, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by the base station measuring the uplink positioning reference signal sent by the UE according to the configuration information of the uplink positioning reference signal, and/or sending the base station to the base station according to the configuration information of the downlink positioning reference signal for the UE.
- the downlink positioning reference signal is measured and obtained.
- the sending of the UE Tx Delay parameter information to the location server LMF includes:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information;
- the Provide UE Tx Delay message includes the UE Tx Delay parameter information.
- the method further includes:
- the method includes:
- the downlink positioning reference signal sent by the base station is measured to obtain a third positioning measurement value, and the third positioning measurement value is sent to the LMF for the LMF to use the base station based on the Tx Delay parameter information, to correct the third positioning measurement value;
- embodiments of the present disclosure further provide a base station, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the sending of the base station Tx Delay parameter information to the location server LMF includes:
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information; or,
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, Downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information.
- the base station includes a serving base station and at least one neighboring base station, and the uplink positioning reference signal configuration information and/or the downlink positioning reference signal configuration information are determined by the serving base station.
- an embodiment of the present disclosure further provides a user terminal UE, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information by the receiving node.
- the receiving base station Tx Delay parameter information sent by the base station or the positioning server LMF includes:
- the positioning measurement value is performed based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information.
- the positioning measurement value is performed based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information.
- the base station Tx Delay parameter information Before calibration, also include:
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the fifth positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the positioning measurement value is performed based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information.
- the positioning measurement value is performed based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information.
- the base station Tx Delay parameter information Before calibration, also include:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- all base stations participating in positioning include the serving base station and at least one adjacent base station;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the seventh positioning measurement value is corrected.
- the UE Tx Delay parameter information or the base station Tx Delay parameter information includes absolute group delay information of the transmission channel, relative group delay information of the transmission channel, and transmission channel group information. Quality indicator of delay information;
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- an embodiment of the present disclosure further provides a positioning server LMF, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by the receiving node measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information
- the receiving node when the sending node is a base station, the receiving node is a UE; when the sending node is a UE and a base station, the receiving node corresponds to a base station and a UE, respectively.
- the obtaining of base station Tx Delay parameter information and positioning reference signal configuration information includes:
- the request TRP information message is used to simultaneously request the serving base station to provide the downlink positioning reference signal configuration information, the uplink positioning reference signal configuration information, and the TRP information and base station Tx Delay information of the serving base station;
- the request TRP information message is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station;
- the request TRP information message is used to simultaneously request the serving base station to provide downlink positioning reference signal configuration information, TRP information of the serving base station, and base station Tx Delay information; for a neighboring base station, the request TRP The information message request is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station.
- the location server LMF according to an embodiment of the present disclosure further includes:
- the method further includes:
- the request measurement information message includes the uplink positioning reference signal configuration information, and is used to request all the reference positioning base stations to measure the uplink positioning reference signal sent by the UE, and report the measurement to the positioning measurements;
- the positioning measurement values sent by all the base stations participating in the positioning are received, and the positioning measurement values sent by all the base stations participating in the positioning are sent to the UE.
- an embodiment of the present disclosure further provides a base station, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the providing positioning reference signal configuration information for the user terminal UE includes:
- uplink positioning reference signal configuration information Generate uplink positioning reference signal configuration information and downlink positioning reference signal configuration information, and send them to the positioning server LMF, so that the LMF sends the downlink positioning reference signal configuration information to the UE, and sends the uplink positioning reference signal configuration information to all base stations participating in the positioning;
- the base station configures the uplink positioning reference signal configuration information for the UE through RRC signaling, so that the UE sends the uplink positioning reference signal to the base station through the RRC signaling according to the uplink positioning reference signal configuration information.
- the base station includes a serving base station and at least one neighboring base station
- the sending the base station Tx Delay parameter information to the UE includes:
- the serving base station directly sends its own base station Tx Delay parameter information to the UE, or forwards its own base station Tx Delay parameter information through the LMF, and the neighboring base station forwards its own base station Tx Delay parameter information through the serving base station or the LMF .
- the providing positioning reference signal configuration information for the user terminal UE, and sending the base station Tx Delay parameter information to the UE includes:
- the request TRP information message is used to simultaneously request the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the The request TRP information message requests the neighboring base station to provide its own TRP information and base station Tx Delay information; or,
- the request TRP information message simultaneously requests the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the request TRP information message requests the adjacent base station The base station provides its own TRP information and base station Tx Delay information.
- an embodiment of the present disclosure further provides a positioning server LMF, including:
- a first transmission unit configured to receive the transmission channel delay Tx Delay parameter information sent by the sending node, and send the positioning reference signal configuration information to the receiving node;
- a first correction unit configured to correct the positioning measurement value based on the Tx Delay parameter information
- the positioning measurement value is obtained by measuring, by the receiving node, the positioning reference signal sent by the sending node according to the positioning reference signal configuration information.
- an embodiment of the present disclosure further provides a user terminal UE, including:
- a first obtaining unit configured to obtain the UE Tx Delay parameter information of the transmission channel delay corresponding to the UE
- a first sending unit configured to send the UE Tx Delay parameter information to the positioning server LMF, so that the LMF corrects the positioning measurement value based on the UE Tx Delay parameter information;
- the positioning measurement value is obtained by the base station measuring the uplink positioning reference signal sent by the UE according to the configuration information of the uplink positioning reference signal, and/or sending the base station to the base station according to the configuration information of the downlink positioning reference signal for the UE.
- the downlink positioning reference signal is measured and obtained.
- an embodiment of the present disclosure also provides a base station, comprising:
- the second obtaining unit is used to obtain the transmission channel delay base station Tx Delay parameter information corresponding to the base station;
- a second sending unit configured to send the base station Tx Delay parameter information to the positioning server LMF, so that the LMF corrects the positioning measurement value based on the base station Tx Delay parameter information;
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- an embodiment of the present disclosure also provides a user terminal UE, comprising:
- a third obtaining unit configured to obtain the UE Tx Delay parameter information of the corresponding transmission channel delay of the UE
- the receiving unit is used to receive the base station Tx Delay parameter information sent by the base station or the positioning server LMF;
- a second correction unit configured to correct the positioning measurement value based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information;
- the positioning measurement value is obtained by measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information by the receiving node.
- an embodiment of the present disclosure also provides a positioning server LMF, comprising:
- a fourth acquisition unit configured to acquire base station Tx Delay parameter information and positioning reference signal configuration information
- a third sending unit configured to send the positioning reference signal configuration information to a receiving node
- the fourth sending unit is configured to send the base station Tx Delay parameter information to the user terminal UE, so that the UE can perform a positioning measurement based on its own UE Tx Delay parameter information and/or the base station Tx Delay parameter information. Correction;
- the positioning measurement value is obtained by the receiving node measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information
- the receiving node when the sending node is a base station, the receiving node is a UE; when the sending node is a UE and a base station, the receiving node corresponds to a base station and a UE, respectively.
- an eighteenth aspect, an embodiment of the present disclosure also provides a base station, comprising:
- a fifth obtaining unit configured to obtain the transmission channel delay base station Tx Delay parameter information corresponding to the base station
- the second transmission unit is configured to provide the user terminal UE with positioning reference signal configuration information, and send the base station Tx Delay parameter information to the UE, so that the UE can perform a positioning measurement value based on the base station Tx Delay parameter information. Correction;
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- an embodiment of the present disclosure further provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is configured to cause the processor to execute the method described in the first aspect.
- the method for calibrating the delay of the transmission channel described in The method for calibrating the transmission channel delay according to the fourth aspect, or the method for calibrating the transmission channel delay according to the fifth aspect, or the method for calibrating the transmission channel delay according to the sixth aspect.
- the method, device, and storage medium for calibrating the transmission channel delay provided by the embodiments of the present disclosure can eliminate the influence of the transmission channel delay on the time-related positioning measurement value by using the transmission channel delay Tx Delay parameter information, and effectively improve the positioning precision.
- FIG. 1 is one of the schematic flowcharts of a method for calibrating a transmission channel delay provided by an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart of an LMF-based DL-TDOA positioning method provided by an embodiment of the present disclosure
- FIG. 3 is a schematic flowchart of an LMF-based UL-TDOA positioning method provided by an embodiment of the present disclosure
- FIG. 4 is a schematic flowchart of an LMF-based Multi-RTT positioning method provided by an embodiment of the present disclosure
- FIG. 5 is a second schematic flowchart of a method for calibrating a transmission channel delay provided by an embodiment of the present disclosure
- FIG. 6 is a third schematic flowchart of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure
- FIG. 7 is a fourth schematic flowchart of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure.
- FIG. 8 is a schematic flowchart of a UE-based Multi-RTT positioning method provided by an embodiment of the present disclosure
- FIG. 9 is a fifth schematic flowchart of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure.
- FIG. 10 is a sixth schematic flowchart of a method for calibrating a transmission channel delay provided by an embodiment of the present disclosure
- FIG. 11 is one of the schematic structural diagrams of the location server LMF provided by an embodiment of the present disclosure.
- FIG. 12 is one of the schematic structural diagrams of a user terminal UE according to an embodiment of the present disclosure.
- FIG. 13 is one of schematic structural diagrams of a base station according to an embodiment of the present disclosure.
- FIG. 14 is the second schematic structural diagram of a location server LMF provided by an embodiment of the present disclosure.
- FIG. 15 is a second schematic structural diagram of a user terminal UE according to an embodiment of the present disclosure.
- FIG. 16 is the second schematic structural diagram of a base station according to an embodiment of the present disclosure.
- FIG. 17 is a third schematic structural diagram of a user terminal UE according to an embodiment of the present disclosure.
- FIG. 18 is a third schematic structural diagram of a location server LMF provided by an embodiment of the present disclosure.
- FIG. 19 is a third schematic structural diagram of a base station according to an embodiment of the present disclosure.
- the term "and/or" describes the association relationship of associated objects, and indicates that there can be three kinds of relationships. For example, A and/or B can indicate that A exists alone, A and B exist at the same time, and B exists alone these three situations.
- the character “/” generally indicates that the associated objects are an "or" relationship.
- the term “plurality” refers to two or more than two, and other quantifiers are similar.
- 4G the 4rd Generation, the 4th generation mobile communication technology
- 5G the 5rd Generation, the 5th generation mobile communication technology
- NR New Radio, new air interface
- E-SMLC Evolve-Serving Mobile Location Center (4G), enhanced service mobile location center (4G location server);
- gNB Next generation NodeB, 5G base station
- LMF location management function, 5G location server
- LPP LTE Positioning Protocol, LTE positioning protocol
- PRS positioning reference signal, positioning reference signal
- RAT radio access technology, wireless access technology
- RSTD reference signal time difference, reference signal time difference
- RTT round trip time, round trip time
- SRS-Pos sounding reference signal for positioning, sounding reference signal for positioning;
- TOA time of Arrival, arrival time
- TDOA time difference of Arrival, arrival time difference
- TRP Transmission-Reception Point, sending and receiving node
- UE user Terminal, user terminal;
- UL RTOA uplink relative time of arrival(5G), 5G uplink relative arrival time
- UL-TDOA uplink time difference of arrival (5G), 5G uplink time difference of arrival positioning method
- UTDOA uplink time difference of arrival(4G), 4G uplink time difference of arrival positioning method
- DL-TDOA downlink time difference of arrival(5G), 5G downlink time difference of arrival positioning method
- OTDOA observed time difference of arrival(4G), 4G downlink arrival time difference positioning method
- Multi-RTT multiple cell-round trip time, NR multi-cell round-trip time positioning method
- the downlink time difference of arrival positioning method is called OTDOA in 4G and DL-TDOA in 5G;
- the uplink time difference of arrival positioning method is called UTDOA in 4G and UL-TDOA in 5G;
- the location server is called E-SMLC, and in 5G, the location server is called LMF;
- the base station may represent a base station, a cell (Cell), a gNB, or a TRP.
- the base station Tx delay may represent the TRP Tx Delay and the base station Tx Delay.
- the node responsible for positioning calculation may be a UE or a positioning server (LMF).
- LMF positioning server
- the former is often called UE-based positioning, and the latter is often called UE-assisted positioning.
- 5G the latter is also known as LMF-based positioning.
- the information exchanged between the base station, the user terminal UE and the positioning server LMF does not include information related to the signal delay of the radio transmission channel between the UE and the base station. Therefore, for the LMF-based positioning method, the LMF cannot perform necessary correction or compensation for the signal delay of the transmission channel of the UE and the base station in the measured value during the positioning calculation. For UE-based positioning, the UE cannot perform necessary correction or compensation for the signal delay of the transmission channel of the base station in the measurement value during the positioning calculation. For example, a Tx Delay of 4 nanoseconds (ns) will introduce a timing measurement error of 1.2 meters. At this time, the final terminal positioning accuracy cannot meet the sub-meter level.
- Embodiments of the present disclosure provide a method, a device, and a storage medium for calibrating transmission channel delay, so as to solve the influence of the transmission channel delay of the UE and the base station on the time-related positioning measurement value, and the transmission channel delay of the UE and the base station. Correction is performed to improve positioning accuracy.
- Applicable to various positioning methods DL-TDOA, UL-TDOA, Multi-RTT, etc.
- time-related measurements such as DL RSTD, UL RTOA, UE Rx-Tx time difference and gNB Rx-Tx time difference.
- the method and the device are conceived based on the same application. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and repeated descriptions will not be repeated here.
- FIG. 1 is one of the schematic flowcharts of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure, applied to a positioning server LMF, including:
- Step 100 Receive the transmission channel delay Tx Delay parameter information sent by the sending node, and send the positioning reference signal configuration information to the receiving node;
- the embodiment of the present disclosure is directed to the LMF-based positioning method, and the execution subject is the positioning server LMF, that is, the positioning server LMF is used as a solution node to perform the positioning solution.
- the positioning server LMF can use the following three positioning methods to perform positioning calculation: downlink time difference of arrival positioning method, uplink time difference of arrival positioning method and multi-cell round trip time positioning method.
- the positioning server LMF receives the transmission channel delay Tx Delay parameter information sent by the sending node, and sends the positioning reference signal configuration information to the receiving node.
- the sending node is a node that sends a positioning reference signal, which may be a base station and/or a user terminal UE
- the receiving node is a node that receives the positioning reference signal, which may be a user terminal UE and/or a base station accordingly.
- the present disclosure proposes to establish parameter information related to the transmission channel delay of the positioning reference signal transmitting end (UE and base station) in the 3GPP LPP and NRPPa protocols, that is, Tx Delay parameter information.
- the Tx Delay parameter information comes from the sending node and is obtained by the sending node. For example, the UE transmits the reference signal by itself and then receives it by itself, thereby calculating its own Tx Delay parameter information.
- the positioning reference signal configuration information is the configuration information of the positioning reference signal, wherein the positioning reference signal is a reference signal used for positioning or assisted positioning.
- the positioning reference signal includes an uplink positioning sounding reference signal UL SRS-Pos and/or downlink positioning reference signal DL PRS.
- the positioning reference signal configuration information comes from the base station, is determined by the base station, and is sent to the positioning server LMF.
- the sending node is a base station and/or a user terminal UE, wherein,
- the Tx Delay parameter information is the base station Tx Delay parameter information
- the receiving node is UE
- the positioning reference signal is a downlink positioning reference signal
- the positioning reference signal configuration information is downlink positioning reference signal configuration information
- the Tx Delay parameter information is UE Tx Delay parameter information
- the receiving node is a base station
- the positioning reference signal is an uplink positioning reference signal
- the Tx Delay parameter information includes the base station Tx Delay parameter information and UE Tx Delay parameter information
- the receiving nodes are the UE and the base station respectively
- the positioning reference signals are respectively the downlink positioning reference signal and the uplink positioning reference signal.
- Step 101 correcting the positioning measurement value based on the Tx Delay parameter information
- the positioning measurement value is obtained by measuring, by the receiving node, the positioning reference signal sent by the sending node according to the positioning reference signal configuration information.
- the positioning server LMF receives the positioning measurement value reported from the receiving node, wherein the positioning measurement value is obtained by the receiving node measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information sent by the positioning server.
- the positioning measurements include but are not limited to: downlink reference signal time difference DL RSTD, uplink relative time of arrival UL RTOA, base station Rx-Tx time difference gNB Rx-Tx Time Difference and UE Rx- At least one of Tx time difference UE Rx-Tx Time Difference.
- the positioning server LMF corrects the positioning measurement value based on the transmission channel delay Tx Delay parameter information.
- the positioning measurement value is corrected, including:
- the positioning measurement value is corrected:
- Corrected positioning measurement value pre-corrected positioning measurement value - Tx Delay parameter information.
- DL RSTD DL RSTD-base station Tx Delay
- Multi-RTT multi-cell round-trip time positioning method
- gNB Rx-Tx Time Difference gNB Rx-Tx Time Difference-UE Tx Delay
- UE Rx-Tx Time Difference UE Rx-Tx Time Difference-base station Tx Delay
- the positioning server LMF can perform a positioning calculation based on the corrected positioning measurement value and the base station antenna position and other information reported by the base station, thereby realizing precise positioning.
- the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure is suitable for various LMF-based positioning methods, can eliminate the influence of the transmission channel delay on the time-related positioning measurement value, and effectively improve the positioning accuracy.
- the transmission channel delay Tx Delay parameter information includes absolute group delay information of the transmission channel, relative group delay information of the transmission channel, and quality indication of the transmission channel group delay information;
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- the present disclosure proposes to establish a parameter information related to the transmission channel delay of the positioning reference signal transmitting end (UE and base station) in the 3GPP LPP and NRPPa protocols, that is, the Tx Delay parameter information .
- the Tx Delay parameter information includes three parts:
- the absolute group delay information of the transmission channel is defined as a parameter related to each carrier frequency band (per band) or a carrier frequency with a certain carrier bandwidth (per carrier), representing the absolute delay of the carrier frequency band or the carrier frequency. , the unit is ns;
- Radio signals experience time delays as they travel through the transmission medium.
- the size of the delay is related to the transmission medium.
- the delays for each frequency are equal across the signal bandwidth.
- the absolute group delay is the main part of the group delay of the transmitting and receiving transmission channels of the UE and the base station, so the absolute delay needs to be corrected or compensated first in positioning.
- the embodiments of the present disclosure define the absolute group delay as a parameter (per carrier) related to each carrier frequency band (per band) or a carrier frequency with a certain carrier bandwidth, representing the absolute delay of the frequency band or the carrier frequency.
- the relative group delay information of the transmission channel defined as a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency, in ns;
- the radio transmit and receive transmission channels of UE and base station are limited by the band-pass characteristics of filters, amplifiers and mixers.
- the delay of some electrical components (such as band-pass filters) in a radio frequency circuit varies greatly with frequency within the carrier bandwidth.
- the bandwidth covered by one carrier frequency band or carrier frequency is very large.
- the signal components of each subcarrier in the bandwidth suffer from different group delays, which are called relative group delays.
- the relative difference in delay can be several nanoseconds (ns) or more. Since 5G supports large bandwidth and requires high-precision positioning, the impact of relative group delay on positioning measurement in 5G positioning cannot be ignored.
- the embodiments of the present disclosure define it as a set of parameters associated with the frequency band or the subcarrier frequency in the bandwidth covered by the carrier frequency.
- the UE and the base station can provide the relative group delay information of each subcarrier in the bandwidth, or divide the bandwidth into several parts, and a set of relative group delay parameters respectively represent the relative group delay of each bandwidth part
- the quality indication of the transmission channel group delay information includes error parameters, where the error parameters include but are not limited to the variance, mean or standard deviation of the group delay error.
- the quality (such as accuracy and reliability, etc.) of the group delay information provided by the UE and the base station may be quite different.
- the group delay information provided by a certain UE or base station may only be the average value of the group delay of similar products, but it may also be an accurate value obtained by specially measuring the group delay of the UE or base station. Therefore, in addition to the group delay information provided by the UE and the base station, providing the quality of the group delay information will help to correctly use the group delay information provided by the UE and the base station in the positioning solution.
- the group delay information quality indicator can be defined in different ways, such as an error parameter representing the measured group delay information and the ideal group delay information, including: variance, mean or standard deviation of the group delay error.
- the method for calibrating the transmission channel delay provided by the embodiment of the present disclosure, by defining the parameter information of the transmission channel delay Tx Delay, a more accurate transmission channel delay can be obtained, and the positioning solution capability can be effectively improved.
- the present disclosure provides 3GPP LPP (LTE Positioning Protocol, LTE Positioning Protocol), NRPPa (NR Positioning Protocol A, NR Positioning Protocol A) and RRC (Radio Resource Control, Radio Resource Control) protocols are modified and enhanced as follows to support UE, base station and LMF to exchange the present disclosure Proposed base station Tx Delay and UE Tx Delay parameter information.
- 3GPP LPP LTE Positioning Protocol, LTE Positioning Protocol
- NRPPa NR Positioning Protocol A, NR Positioning Protocol A
- RRC Radio Resource Control, Radio Resource Control
- LMF uses the LPP RequestCapabilities message to request UE capability information and supported positioning methods.
- the present disclosure proposes that, in addition to the existing information, the content of the message, for LMF-based positioning, the LMF may request the UE to provide information on whether the UE supports the provision of UE Tx Delay parameters;
- ProvideCapabilities "Provide positioning capabilities": The UE uses the LPP ProvideCapabilities message to indicate the UE's positioning capabilities to the LMF. For LMF-based positioning, this disclosure proposes that in addition to the existing information, the UE can notify the LMF whether it supports the provision of UE Tx Delay information through ProvideCapabilities;
- RequestUETxDelay "request UE Tx Delay": a new message in this disclosure, LMF uses LPP RequestUETxDelay message to request UE to provide UE Tx Delay parameter information;
- ProvideUETxDelay "Provide UE Tx Delay": a new message in this disclosure, UE uses LPP ProvideUETxDelay message to provide UE Tx Delay to LMF;
- the UE requests assistance data from the LMF using the LPP RequestAssistanceData message.
- the present disclosure proposes that, in addition to the existing information, the content of the message also supports the UE requesting the LMF to provide the base station Tx Delay information;
- LMF provides assistance data to UE using LPP ProvideAssistanceData message.
- LPP ProvideAssistanceData
- the present disclosure proposes that the content of this message, in addition to containing existing information, also allows the LMF to provide the UE with base station Tx Delay information. The UE can use this information to improve DL-TDOA and Multi-RTT positioning accuracy;
- the UE provides location measurements or location estimates to the LMF using the LPP ProvideLocationInformation message.
- the present disclosure proposes that, in addition to the existing information, the content of the message also supports the UE to provide UE Tx Delay information to the LMF. LMF can use this information to improve the positioning accuracy of UL-TDOA and Multi-RTT.
- NRPPa For NR (New Radio, new air interface) positioning, NRPPa needs to support the LMF requesting the base station to provide group delay information, and the base station providing group delay information to the LMF. Since 3GPP has not completed the NRPPa protocol for NR positioning, the following disclosure assumes:
- the LMF uses the "TRP INFORMATION REQUEST" message to request the base station to provide TRP information, which may include the DL PRS configuration of the TRP, the UL Positioning SRS configuration, etc.;
- the base station uses the "TRP INFORMATION RESPONSE" message to provide TRP information to the LMF, which may include the DL PRS configuration required to support DL-DTOA and Multi-RTT, the UL Positioning SRS configuration required to support UL-DTOA and Multi-RTT, etc.;
- support LMF requests the base station to provide base station Tx Delay information
- the supporting base station provides the base station Tx Delay information to the LMF.
- the information exchange between the UE Tx Delay and the base station Tx Delay can also be completed through RRC signaling.
- the UE can inform the serving base station of the UE Tx Delay through RRC, and then the serving base station can inform the LMF of the UE Tx Delay.
- the base station can also notify a certain UE of the base station Tx Delay through RRC unicast signaling, or notify each UE of the base station Tx Delay through RRC broadcast signaling.
- the following is a further description of the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure from the positioning methods adopted by the positioning server LMF—the downlink time difference of arrival method, the uplink time difference of arrival method, and the multi-cell round-trip time method. .
- the positioning server LMF uses the downlink time difference of arrival positioning method to perform positioning calculation. Based on the content of the above embodiment, in the case where the sending node is a Send channel delay Tx Delay parameter information, and send positioning reference signal configuration information to the receiving node, including:
- the positioning server LMF sends a request TRP information message to the base station, where the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information.
- the requesting TRP information message is a TRP INFORMATION RESQUEST message.
- the TRP information includes TRP ID, TRP antenna position coordinates and other information
- the downlink positioning reference signal configuration information is DL PRS configuration data.
- the base station After receiving the request TRP information message sent by the LMF, the base station sends an offer TRP information message to the LMF, where the offer TRP information message is used to provide the LMF with positioning assistance data, where the positioning assistance data includes the TRP information, downlink Positioning reference signal configuration information and base station Tx Delay parameter information.
- the positioning assistance data is DL-TDOA positioning assistance data.
- the providing TRP information message is a TRP INFORMATION RESPONSE message.
- the positioning server LMF receives the TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information.
- the base station includes a serving base station and at least one neighboring base station, and the downlink positioning reference signal configuration information is determined by the serving base station.
- the location server LMF sends a request TRP information message to the base station, and receives a TRP information offer message sent by the base station, specifically:
- the positioning server LMF sends a request TRP information message to the serving base station, where the request TRP information message is used to simultaneously request the serving base station to provide downlink positioning reference signal configuration information, TRP information of the serving base station itself, and base station Tx Delay information, receive the TRP information provided message sent by the serving base station, where the TRP information provided message includes downlink positioning reference signal configuration information, TRP information of the serving base station itself, and base station Tx Delay information;
- the location server LMF sends a request TRP information message to the adjacent base station, where the request TRP information message is used to request the adjacent base station to provide the adjacent base station's TRP information and base station Tx Delay information, and receive the adjacent base station's TRP information and base station Tx Delay information.
- the providing TRP information message sent by the base station, the providing TRP information message includes the TRP information of the neighboring base station and the base station Tx Delay information.
- the LMF obtains the downlink positioning reference signal configuration information and the base station Tx Delay parameter.
- the positioning server LMF sends a provide positioning assistance data message to the UE, where the providing positioning assistance data message is used to provide the UE with the positioning assistance data requested by the UE, where the positioning assistance data requested by the UE includes downlink positioning reference signal configuration information .
- the positioning assistance data message is a ProvideAssistanceData message.
- the location server LMF sends a request for location information message to the UE, where the request for location information message is used to request the UE to measure the downlink location reference signal sent by the base station, and returns the location measurement value obtained by the measurement, and the UE according to the downlink location reference signal
- the configuration information is used to measure the downlink positioning reference signal sent by the base station to obtain a first positioning measurement value.
- the request location information message is a RequestLocationInformation message.
- the first positioning measurement value is the downlink reference signal time difference DL RSTD or DL RSRP.
- the positioning measurement value is corrected, including:
- the first positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the positioning server uses the base station Tx Delay parameter information to correct the positioning measurement value, thereby improving the positioning accuracy of the downlink time difference of arrival positioning method.
- the method before the sending the request TRP information message to the base station, the method further includes:
- the method for correcting the transmission channel delay further includes:
- the LMF sends a positioning capability request message to the UE, requesting the UE to notify the LMF of the positioning capabilities that the UE can support.
- the Request Location Capabilities message is a RequestCapabilities message.
- the UE In response to the location capability request message sent by the LMF, the UE sends a location capability offer message to the LMF to report the location capability supported by the UE.
- the LMF receives the location-providing capability message sent by the UE, where the location-providing capability message is used to notify the LMF of the location function supported by the UE.
- the providing positioning capability message is a ProvideCapabilities message
- the positioning function supported by the UE is LMF-based DL-TDOA positioning.
- the UE sends a request for positioning assistance data message to the LMF to request the LMF to provide the positioning assistance data.
- the LMF receives a request for positioning assistance data message sent by the UE, where the request for positioning assistance data message is used to request the LMF to provide the UE with positioning assistance data.
- the requesting positioning assistance data message is a RequestAssistanceData message
- the positioning assistance data is DL TDOA positioning assistance data.
- the UE in the embodiment of the present disclosure has established a connection with the base station and is in a radio resource control connection (RRC_CONNECTED) state.
- RRC_CONNECTED radio resource control connection
- the method for calibrating the transmission channel delay provided by the embodiment of the present disclosure is suitable for the LMF-based downlink arrival time difference positioning method, and uses the base station Tx Delay parameter information to correct the positioning measurement value, thereby improving the positioning accuracy of the positioning method. .
- LMF-based DL-TDOA positioning method provided by an embodiment of the present disclosure, and the LMF-based DL-TDOA positioning method may include the following basic steps:
- the UE establishes a connection with the base station and is in the radio resource control connection (RRC_CONNECTED) state;
- the LMF sends a "RequestCapabilities" message to the UE, requesting the UE to notify the LMF of the positioning capabilities that the UE can support;
- the UE sends a "ProvideCapabilities" message to the LMF, reporting that the UE supports LMF-basedDL-TDOA positioning;
- the UE sends a "RequestAssistanceData" message to the LMF to request the LMF to provide DL TDOA positioning assistance data;
- the LMF sends a "TRP INFORMATION RESQUEST" message to the base station.
- the request message requests the serving base station to provide both TRP information and DL PRS configuration data; for adjacent base stations, the request message only requests the adjacent base station to provide TRP information.
- the LMF may request the serving base station and neighboring base stations to provide base station Tx Delay information;
- the base station sends a "TRP INFORMATION RESPONSE" message to the LMF.
- this message provides the LMF with DL-TDOA positioning assistance data (the data includes the TRP information of the serving base station and DL PRS configuration data for DL-TDOA positioning); for the adjacent base station, this message provides the LMF with the relevant data.
- TRP information of neighboring base stations can provide base station Tx Delay information to the LMF;
- the LMF sends a "ProvideAssistanceData" message to the UE to provide the DL-TDOA positioning assistance data requested by the UE, including the DL PRS configuration data;
- the LMF sends a "RequestLocationInformation" message to the UE, requesting the UE to measure the DL PRS, and reply with the measured positioning measurement value;
- the UE uses DL-TDOA positioning assistance data to measure DL PRS to obtain positioning measurements, including RSTD, and/or DL RSRP;
- the UE sends a "ProvideLocationInformation" message to the LMF, which includes the positioning measurements obtained by measuring the DL PRS, including the RSTD;
- the LMF uses the base station to provide the base station Tx Delay information, corrects the RSTD measured by the UE, and removes the influence of the base station Tx Delay on the RSTD measurement value.
- the LMF then uses the corrected RSTD measurements to calculate the exact location of the UE.
- FIG. 2 shows an example of the LMF-based DL-TDOA positioning process, and only the serving base station is shown, and the adjacent base stations are not shown.
- the application of the transmission channel delay correction method of the present disclosure is not limited to the sequence of steps shown in FIG. 2 .
- the positioning server LMF adopts the uplink time difference of arrival positioning method. Based on the content of the above embodiments, in the case where the sending node is a user terminal UE, the receiving and sending node sends the sending channel. Delay Tx Delay parameter information, send positioning reference signal configuration information to the receiving node, including:
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtaining a second positioning measurement;
- the positioning measurement value is corrected, including:
- the second positioning measurement value is corrected.
- the location server LMF receives the UE Tx Delay parameter information obtained by the UE;
- the location server LMF sends a request TRP information message to the base station, where the request TRP information message is used to request the base station to provide its own TRP information and uplink positioning reference signal configuration information; in some embodiments, the request TRP information message is TRP INFORMATION RESQUEST information.
- the TRP information includes TRP ID, TRP antenna position coordinates and other information
- the uplink positioning reference signal configuration information includes UL SRS-Pos configuration data
- the base station receives the request TRP information message sent by the LMF, and sends an offer TRP information message to the LMF, where the offer TRP information message includes TRP information and uplink positioning reference signal configuration information, and the positioning server LMF receives the TRP information and uplink positioning. Reference signal configuration information.
- the base station includes a serving base station and at least one neighboring base station, and the uplink positioning reference signal configuration information is determined by the serving base station.
- the location server LMF sends a request TRP information message to the base station, and receives a TRP information offer message sent by the base station, specifically:
- the request TRP information message is used to simultaneously request the serving base station to provide uplink positioning reference signal configuration information and TRP information of the serving base station itself, and the provide TRP information message includes the uplink positioning reference signal configuration information and all The TRP information of the serving base station itself; for the adjacent base station, the request TRP information message is used to request the adjacent base station to provide the TRP information of the adjacent base station, and the TRP information provided message includes the information of the adjacent base station. TRP information.
- the LMF obtains the uplink positioning reference signal configuration information and the UE Tx Delay parameter.
- the positioning server LMF sends a request for measurement information message to the base station, where the request for measurement information message includes the configuration information of the uplink positioning reference signal, so that the base station can measure the information sent by the UE according to the configuration information of the uplink positioning reference signal.
- the uplink positioning reference signal is used to obtain the second positioning measurement value.
- the request measurement information message is a MEASUREMENT REQUEST message.
- the second positioning measurement is the uplink relative time of arrival, UL RTOA.
- the base station includes a serving base station and at least one adjacent base station, and accordingly, the LMF sends a measurement information request message to the base station, specifically: the LMF sends a measurement request information message to all base stations participating in UL-TDOA positioning message, all base stations participating in UL-TDOA positioning use the uplink positioning reference signal configuration information provided by the LMF to measure the uplink positioning reference signal sent by the UE.
- the positioning measurement value is corrected, including:
- the second positioning measurement value is corrected.
- the positioning server uses the UE Tx Delay information to correct the positioning measurement value, thereby improving the positioning accuracy of the uplink time difference of arrival positioning method.
- Delay parameter information obtained by the UE further includes:
- the positioning server LMF before the positioning server LMF receives the UE Tx Delay parameter information obtained by the UE, it further includes:
- the LMF sends a request for positioning capability message to the UE, where the request for positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information; in some embodiments, the request The positioning capability message is a RequestCapabilities message.
- the LMF receives the Provide Location Capability message sent by the UE, where the Provide Location Capability message is used to notify the LMF of the location function supported by the UE and whether it is capable of providing UE Tx Delay parameter information; in some embodiments, the location capability is provided
- the message is the ProvideCapabilities message, and the positioning function supported by the UE is LMF-based UL-TDOA positioning.
- the LMF sends a Request UE Tx Delay message to the UE, where the Request UE Tx Delay message is used to request the UE to provide UE Tx Delay parameter information.
- the UE in the embodiment of the present disclosure has established a connection with the base station and is in a radio resource control connection (RRC_CONNECTED) state.
- RRC_CONNECTED radio resource control connection
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure is suitable for the LMF-based uplink time difference of arrival positioning method, and uses the UE Tx Delay parameter information to correct the positioning measurement value, thereby improving the positioning accuracy.
- FIG. 3 is a schematic flowchart of an LMF-based UL-TDOA positioning method provided by an embodiment of the present disclosure. As shown in Figure 3, the LMF-based UL-TDOA positioning method may include the following basic steps:
- the UE establishes a connection with the base station and is in the radio resource control connection (RRC_CONNECTED) state;
- the LMF sends a "Request Capabilities" message to the UE, requesting the UE to notify the LMF of the positioning capabilities that the UE can support.
- the present disclosure also adds that the LMF requests the UE to tell the LMF whether it is capable of providing the UE Tx Delay information;
- the UE sends a "ProvideCapabilities" message to report that the UE supports LMF-based UL-TDOA positioning.
- the present disclosure also increases whether the UE reports whether it has the ability to provide UE Tx Delay information;
- the LMF sends a "Request UETxDelay (RequestUETxDelay)" message to the UE, requesting the UE to provide UE Tx Delay parameter information;
- the UE sends a "Provide UETxDelay (ProvideUETxDelay)" message to the LMF to provide UE Tx Delay parameter information;
- the LMF sends a "TRP INFORMATION RESQUEST" message to the base station.
- the request message requests the serving base station to provide TRP information and UL SRS-Pos configuration data at the same time; for the adjacent base station, the request message only requests the adjacent base station to provide TRP information;
- the base station sends a "TRP INFORMATION RESPONSE" message to the LMF.
- this message provides the LMF with the TRP information of the serving base station and the UL SRS-Pos configuration data for UL-TDOA positioning;
- this message provides the LMF with the TRP information of the adjacent base station;
- the base station configures the SRS-Pos for the UE through RRC signaling
- the UE sends the SRS-Pos to the serving base station and multiple neighboring base stations according to the RRC signaling;
- the LMF sends a "MEASUREMENT REQUEST" message to each base station participating in UL-TDOA positioning.
- the message includes UL SRS-Pos configuration data, requests the base station to measure the SRS-Pos sent by the UE, and replies with the measured positioning measurement value;
- All base stations participating in UL-TDOA positioning (including the serving base station and neighboring base stations of the UE) use the UL SRS-Pos configuration data provided by the LMF to measure the SRS-Pos signal to obtain the positioning measurement value for the UE;
- All base stations send "MEASUREMENT REPORT" messages to LMF respectively, including the positioning measurement values obtained by measuring UL SRS-Pos (for example: UL RTOA);
- LMF uses the UE Tx Delay information reported by the UE to correct the UL RTOA measurement value provided by the base station, that is, remove the influence of the UE Tx Delay on the UL RTOA measurement value. The LMF then uses the corrected UL RTOA measurements to calculate the location of the UE.
- the positioning server LMF uses a multi-cell round-trip time positioning method to perform positioning calculation.
- the node sends the transmission channel delay Tx Delay parameter information, and sends the positioning reference signal configuration information to the receiving node, including:
- TRP information downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information
- the UE Sending a provide positioning assistance data message to the UE, where the providing positioning assistance data message includes the downlink positioning reference signal configuration information, so that the UE can measure the downlink positioning reference sent by the base station according to the downlink positioning reference signal configuration information signal to obtain a third positioning measurement value;
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtain a fourth positioning measurement;
- the positioning measurement value is corrected based on the Tx Delay parameter information, including:
- the fourth positioning measurement value is corrected.
- the location server LMF receives the UE Tx Delay parameter information obtained by the UE.
- the positioning server LMF sends a request TRP information message to the base station, where the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information; in some implementations
- the requesting TRP information message is a TRP INFORMATION RESQUEST message.
- the TRP information includes TRP ID, TRP antenna position coordinates and other information
- the uplink positioning reference signal configuration information includes UL SRS-Pos configuration data
- the downlink positioning reference signal configuration information includes DL PRS configuration data.
- the base station After receiving the request TRP information message sent by the LMF, the base station sends an offer TRP information message to the LMF, where the offer TRP information message includes the TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and the base station Tx Delay parameter information.
- the providing TRP information message is a TRP INFORMATION RESPONSE message.
- the positioning server LMF receives the TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information.
- the base station includes a serving base station and at least one neighboring base station, and the positioning reference signal configuration information is determined by the serving base station.
- the location server LMF sends a request TRP information message to the base station, and receives a TRP information offer message sent by the base station, specifically:
- the request TRP information message is used to simultaneously request the serving base station to provide uplink positioning reference signal configuration information, downlink positioning reference signal configuration information, TRP information of the serving base station itself, and base station Tx Delay parameter information.
- Provide TRP information message including uplink positioning reference signal configuration information, downlink positioning reference signal configuration information and TRP information of the serving base station itself and base station Tx Delay parameter information;
- the request TRP information message is used to request the neighboring base station to provide the TRP information of the neighboring base station and the base station Tx Delay parameter information, and the provide TRP information message includes the TRP information of the neighboring base station and base station Tx Delay parameter information.
- the positioning server LMF obtains uplink positioning reference signal configuration information, downlink positioning reference signal configuration information, base station Tx Delay parameters and UE Tx Delay parameter information.
- the positioning server LMF sends a provide positioning assistance data message to the UE, where the providing positioning assistance data message is used to provide the UE with the positioning assistance data requested by the UE, where the positioning assistance data requested by the UE includes downlink positioning reference signal configuration information .
- the positioning assistance data message is a ProvideAssistanceData message.
- the location server LMF sends a request for location information message to the UE, where the request for location information message is used to request the UE to measure the downlink location reference signal sent by the base station, and returns the location measurement value obtained by the measurement, and the UE according to the downlink location reference signal
- the configuration information is used to measure the downlink positioning reference signal sent by the base station to obtain a third positioning measurement value.
- the request location information message is a RequestLocationInformation message.
- the third positioning measurement value is UE Rx-Tx Time Difference.
- the positioning server LMF sends a request measurement information message to the base station, where the measurement request information message includes the uplink positioning reference signal configuration information, so that the base station can measure the information sent by the UE according to the uplink positioning reference signal configuration information.
- the uplink positioning reference signal is used to obtain a fourth positioning measurement value.
- the request measurement information message is a MEASUREMENT REQUEST message.
- the fourth positioning measurement value is the base station transceiver time difference gNB Rx-Tx Time Difference.
- the base station includes a serving base station and at least one adjacent base station, and accordingly, the LMF sends a measurement information request message to the base station, specifically: the LMF sends a request measurement information to all base stations participating in Multi-RTT positioning message, all base stations participating in Multi-RTT positioning use the uplink positioning reference signal configuration information provided by the LMF to measure the uplink positioning reference signal sent by the UE.
- the LMF corrects the positioning measurement value based on the Tx Delay parameter information, including:
- the fourth positioning measurement value is corrected.
- the positioning server uses the base station Tx Delay parameter information and the UE Tx Delay information to correct the positioning measurement value, thereby improving the positioning accuracy of the uplink time difference of arrival positioning method.
- the method for calibrating the transmission channel delay further includes:
- the LMF sends a positioning capability request message to the UE, where the request positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information; in some embodiments , the request positioning capability message is the RequestCapabilities message.
- the LMF receives the Provide Location Capability message sent by the UE, where the Provide Location Capability message is used to notify the LMF of the location function supported by the UE and whether it is capable of providing UE Tx Delay parameter information; in some embodiments, the location capability is provided
- the message is the ProvideCapabilities message, and the positioning function supported by the UE is LMF-based Multi-RTT positioning.
- the LMF sends a Request UE Tx Delay message to the UE, where the Request UE Tx Delay message is used to request the UE to provide UE Tx Delay parameter information.
- the UE in the embodiment of the present disclosure has established a connection with the base station and is in a radio resource control connection (RRC_CONNECTED) state.
- RRC_CONNECTED radio resource control connection
- the LMF receives a request for positioning assistance data message sent by the UE, where the request for positioning assistance data message is used to request the LMF to provide the UE with positioning assistance data.
- the requesting positioning assistance data message is a RequestAssistanceData message.
- the LMF responds to the requesting positioning assistance data message, obtains the positioning assistance data requested by the UE, and sends it to the UE.
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure is suitable for the LMF-based multi-cell round-trip time positioning method.
- the positioning server uses the base station Tx Delay parameter information and the UE Tx Delay information to correct the positioning measurement value, which improves the positioning accuracy.
- LMF-based Multi-RTT positioning method provided by an embodiment of the present disclosure, and the LMF-based Multi-RTT positioning method may include the following basic steps:
- the UE establishes a connection with the base station and is in the radio resource control connection (RRC_CONNECTED) state;
- the LMF sends a "Request Capabilities" message to the UE, requesting the UE to notify the LMF of the positioning capabilities that the UE can support.
- the present disclosure also adds that the LMF requests the UE to tell the LMF whether it is capable of providing the UE Tx Delay information;
- the UE sends a "ProvideCapabilities" message to the LMF, reporting that the UE supports LMF-based Multi-RTT positioning.
- the present disclosure also increases whether the UE reports whether it has the ability to provide UE Tx Delay information;
- the LMF sends a "Request UETxDelay (RequestUETxDelay)" message to the UE, requesting the UE to provide UE Tx Delay parameter information;
- the UE sends a "Provide UETxDelay (RequestUETxDelay)" message to the LMF to provide UE Tx Delay parameter information
- the UE sends a "Request Assistance Data (RequestAssistanceData)" message to the LMF to request the LMF to provide Multi-RTT assistance data;
- the LMF sends a "TRP INFORMATION RESQUEST" message to the base station.
- the request message also requests the serving base station to provide TRP information (for example: TRP ID, TRP antenna position coordinates, etc.), DL PRS configuration data, and UL SRS-Pos configuration data;
- the request message only requests the adjacent base stations to provide TRP information; in the present disclosure, the LMF may request the base station to provide base station Tx Delay information;
- the base station sends a "TRP INFORMATION RESPONSE" message to the LMF.
- this message provides the LMF with the TRP information of the serving base station, DL PRS configuration data and UL SRS-Pos configuration data; for the adjacent base station, this message provides the LMF with the TRP information of the adjacent base station.
- the serving base station and neighboring base stations can provide base station Tx Delay information to the LMF;
- the LMF sends a "Provide Assistance Data (ProvideAssistanceData)" message to the UE to provide the positioning assistance data requested by the UE, including the DL PRS configuration data;
- the LMF sends a "RequestLocationInformation" message to the UE, requesting the UE to measure the DL PRS of the base station, and reply the measured positioning measurement value;
- the UE uses the positioning assistance data (for example: PRS configuration data) to measure the downlink signal to obtain the positioning measurement value, including the UE transceiver time difference (UE Rx-Tx Time Difference);
- PRS configuration data for example: PRS configuration data
- UE transceiver time difference UE Rx-Tx Time Difference
- the UE sends a "ProvideLocationInformation" message to the LMF, which includes the positioning measurement value obtained by measuring the downlink PRS, including the UE sending and receiving time difference;
- the base station configures SRS-Pos for the UE through RRC signaling,
- the UE sends the SRS-Pos to the serving base station and the adjacent base station according to the RRC signaling;
- the LMF sends a "MEASUREMENT REQUEST" message to each base station participating in Multi-RTT positioning.
- the message includes UL SRS-Pos configuration data, requests the base station to measure the SRS-Pos sent by the UE, and replies with the measured positioning measurement value;
- All base stations participating in Multi-RTT positioning use the UL SRS-Pos configuration data provided by the LMF to measure the SRS-Pos signal to obtain the positioning measurement value;
- All base stations send a "MEASUREMENT REPORT" message to the LMF, which includes the positioning measurements obtained by measuring the UL SRS-Pos, including the gNB Rx-Tx Time Difference.
- Use the base station Tx Delay information provided by the base station to remove the influence of the base station Tx Delay on the measured value of the UE sending and receiving time difference (UE sending and receiving time difference after correction UE sending and receiving time difference before correction - base station Tx Delay).
- the LMF calculates the exact position of the UE using the corrected UE transmit-receive time difference and the gNB transmit-receive time difference measurement value.
- FIG. 5 is the second schematic flowchart of the method for correcting the transmission channel delay provided by the embodiment of the present disclosure, which is applied to a user terminal UE, including:
- Step 500 Obtain the UE Tx Delay parameter information of the transmission channel delay corresponding to the UE;
- the embodiments of the present disclosure are directed to the LMF-based positioning method, that is, the positioning server LMF still performs the positioning calculation, and further details the correction method of the transmission channel delay from the UE side of the user terminal.
- the user terminal calculates and obtains its own transmission channel delay UE Tx Delay parameter information.
- Step 501 sending the UE Tx Delay parameter information to the positioning server LMF, so that the LMF corrects the positioning measurement value based on the UE Tx Delay parameter information;
- the positioning measurement value is obtained by the base station measuring the uplink positioning reference signal sent by the UE according to the configuration information of the uplink positioning reference signal, and/or sending the base station to the base station according to the configuration information of the downlink positioning reference signal for the UE.
- the downlink positioning reference signal is measured and obtained.
- the UE sends the UE Tx Delay parameter information to the positioning server LMF, so that the LMF corrects the positioning measurement value based on the UE Tx Delay parameter information.
- the positioning server LMF needs to use the UE Tx Delay parameter information when using the following two positioning methods for positioning solution: the uplink time difference of arrival positioning method and the multi-cell round trip time positioning method. Therefore, in the uplink time difference of arrival positioning method, the positioning measurement value is obtained by the base station measuring the uplink positioning reference signal sent by the UE according to the configuration information of the uplink positioning reference signal, which is the same as in the foregoing method embodiment. of the second positioning measurement. In the multi-cell round trip time positioning method, the positioning measurement value package is obtained by the UE measuring the downlink positioning reference signal sent by the base station according to the downlink positioning reference signal configuration information, and the base station according to the uplink positioning reference signal configuration information. The information is obtained by measuring the uplink positioning reference signal sent by the UE, that is, the positioning measurement value includes the third positioning measurement value and the fourth positioning measurement value in the foregoing method embodiments.
- the transmission channel delay correction method provided by the embodiment of the present disclosure is suitable for LMF-based uplink time difference of arrival positioning method and multi-cell round-trip time positioning method, and provides UE Tx Delay parameter information to the positioning server for LMF to match Correcting the positioning measurement value can eliminate the influence of the UE transmission channel delay on the time-related positioning measurement value, and effectively improve the positioning accuracy.
- the sending of the UE Tx Delay parameter information to the location server LMF includes:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information;
- the Provide UE Tx Delay message includes the UE Tx Delay parameter information.
- the embodiments of the present disclosure are applicable to the LMF-based uplink time difference of arrival positioning method and the LMF-based multi-cell round trip time positioning method. Therefore, for the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure, the relevant description and understanding in the above-mentioned embodiment of the method for calibrating the transmission channel delay with the positioning server LMF as the execution subject may be referred to, and will not be repeated here.
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure provides UE Tx Delay parameter information to the positioning server for the LMF to correct the positioning measurement value, which can eliminate the effect of the UE transmission channel delay on the time-related positioning measurement value. It can effectively improve the positioning accuracy.
- the method further includes:
- the embodiments of the present disclosure are applicable to the LMF-based uplink time difference of arrival method.
- the UE After the UE sends the Provide UE Tx Delay message to the LMF, it receives the uplink positioning reference signal configuration information sent by the base station through the RRC signaling, and then sends the uplink positioning reference signal to the base station according to the RRC signaling, so that the base station can detect the uplink positioning reference signal to the base station.
- the uplink positioning reference signal is measured, and the positioning measurement value obtained by the measurement is sent to the LMF, so that the LMF can correct the positioning measurement value obtained by the base station measurement based on the UE Tx Delay parameter information.
- the UE sends an uplink positioning reference signal to all base stations participating in positioning according to RRC signaling, wherein all base stations participating in positioning include a serving base station and at least one neighboring base station.
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure is suitable for the LMF-based uplink time difference positioning method, and provides UE Tx Delay parameter information to the positioning server LMF, so that the LMF can correct the positioning measurement value, which improves the positioning accuracy.
- the method further includes:
- the downlink positioning reference signal configuration information measure the downlink positioning reference signal sent by the base station to obtain a third positioning measurement value, and send the third positioning measurement value to the LMF, so that the LMF can use the base station based on the Tx Delay parameter information, to correct the third positioning measurement value;
- the base station receiving the uplink positioning reference signal configuration information sent by the base station through RRC signaling, and sending the uplink positioning reference signal to the base station, so that the base station can measure the uplink positioning reference signal, and obtain a fourth positioning measurement value, and Sending the fourth positioning measurement value to the LMF for the LMF to correct the fourth positioning measurement value based on the UE Tx Delay parameter information.
- the embodiments of the present disclosure are applicable to the LMF-based multi-cell round trip time positioning method.
- the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure, reference may be made to the relevant description and understanding in the above-mentioned embodiment of the method for calibrating the transmission channel delay with the positioning server LMF as the execution subject, and details are not repeated here.
- the method for calibrating the transmission channel delay provided by the embodiment of the present disclosure, the LMF-based multi-cell round-trip time positioning method, provides UE Tx Delay parameter information to the positioning server LMF, so that the LMF can correct the positioning measurement value, thereby improving the positioning accuracy .
- FIG. 6 is a third schematic flowchart of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure, applied to a base station, including:
- Step 600 Obtain the base station Tx Delay parameter information of the transmission channel delay corresponding to the base station;
- the embodiments of the present disclosure are directed to the LMF-based positioning method, that is, the positioning server LMF still performs the positioning calculation, and the correction method of the transmission channel delay is further described in detail from the base station side.
- the base station calculates and obtains its own transmission channel delay base station Tx Delay parameter information.
- Step 601 Send the base station Tx Delay parameter information to the positioning server LMF, so that the LMF corrects the positioning measurement value based on the base station Tx Delay parameter information;
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the base station sends the base station Tx Delay parameter information to the positioning server LMF, so that the LMF corrects the positioning measurement value based on the base station Tx Delay parameter information.
- the positioning server LMF needs to use the base station Tx Delay parameter information when using the following two positioning methods for positioning solution: downlink time difference of arrival positioning method and multi-cell round trip time positioning method. Therefore, in the downlink time difference of arrival positioning method, the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, which is the method in the foregoing method embodiment.
- the first positioning measurement of In the multi-cell round trip time positioning method, the positioning measurement value package is obtained by the UE measuring the downlink positioning reference signal sent by the base station according to the downlink positioning reference signal configuration information, and the base station according to the uplink positioning reference signal configuration information.
- the information is obtained by measuring the uplink positioning reference signal sent by the UE, that is, the positioning measurement value includes the third positioning measurement value and the fourth positioning measurement value in the foregoing method embodiments.
- the method for calibrating the transmission channel delay provided by the embodiment of the present disclosure is suitable for the LMF-based downlink time difference of arrival method and the multi-cell round-trip time method, and provides the base station Tx Delay parameter information to the location server for the LMF to match. Correcting the positioning measurement value can eliminate the influence of the base station transmission channel delay on the time-related positioning measurement value, and effectively improve the positioning accuracy.
- the sending of the base station Tx Delay parameter information to the location server LMF includes:
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information; or,
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, Downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information.
- the base station and the positioning server LMF transmit the base station Tx Delay parameter information and the uplink/downlink positioning reference signal configuration information based on the NRPPa message.
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information.
- the requesting TRP information message is a TRP INFORMATION RESQUEST message.
- the TRP information includes TRP ID, TRP antenna position coordinates and other information
- the downlink positioning reference signal configuration information is DL PRS configuration data.
- the base station After receiving the request TRP information message sent by the LMF, the base station sends an offer TRP information message to the LMF, where the offer TRP information message is used to provide the LMF with positioning assistance data, where the positioning assistance data includes the TRP information, downlink Positioning reference signal configuration information and base station Tx Delay parameter information.
- the positioning assistance data is DL-TDOA positioning assistance data.
- the providing TRP information message is a TRP INFORMATION RESPONSE message.
- the base station includes a serving base station and at least one neighboring base station, and the uplink positioning reference signal configuration information and/or the downlink positioning reference signal configuration information are determined by the serving base station.
- receiving a request TRP information message sent by the LMF, and sending an offer TRP information message to the LMF specifically:
- the serving base station receives the request TRP information message sent by the LMF, where the request TRP information message is used to simultaneously request the serving base station to provide downlink positioning reference signal configuration information, TRP information of the serving base station itself, and base station Tx Delay information, the serving base station sends a TRP information offer message to the LMF, where the TRP information offer message includes downlink positioning reference signal configuration information, TRP information of the serving base station itself, and base station Tx Delay information;
- the adjacent base station receives the request TRP information message sent by the LMF, and the request TRP information message is used to request the adjacent base station to provide the TRP information and base station Tx Delay information of the adjacent base station.
- the base station sends an offer TRP information message to the LMF, where the offer TRP information message includes TRP information of the neighboring base station and base station Tx Delay information.
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure provides the base station Tx Delay parameter information to the positioning server for the LMF to correct the positioning measurement value, which can effectively improve the positioning accuracy.
- FIG. 7 is a fourth schematic flowchart of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure, which is applied to a user terminal UE, including:
- Step 700 Obtain the UE Tx Delay parameter information of the transmission channel delay corresponding to the UE;
- the execution subject is the user terminal UE, that is, the user terminal UE is used as a calculation node to perform positioning calculation.
- the user terminal UE supports the following two positioning methods for positioning solution: UE-based downlink time difference of arrival positioning method and UE-based multi-cell round trip time positioning method.
- the UE calculates and obtains its corresponding transmission channel delay UE Tx Delay parameter information.
- Step 701 receiving the base station Tx Delay parameter information sent by the base station or the positioning server LMF;
- the UE needs to use the base station Tx Delay parameter information
- the UE needs to use the base station Tx Delay parameter information and its own UE Tx Delay parameter information.
- the UE may directly receive the base station Tx Delay parameter information sent by the base station, or may receive the base station Tx Delay parameter information forwarded by the location server LMF.
- Step 702 correcting the positioning measurement value based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information;
- the positioning measurement value is obtained by measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information by the receiving node.
- the transmitting node is the base station
- the receiving node is the UE
- the positioning reference signal is the downlink positioning reference signal
- the positioning reference signal configuration information is the downlink positioning reference signal configuration information.
- the UE uses the base station Tx Delay parameter information to correct the positioning measurement value.
- the positioning measurement value is obtained by the UE measuring the positioning reference signal sent by the base station according to the positioning reference signal configuration information.
- the positioning reference signal configuration information is determined by the base station and forwarded to the UE through the LMF.
- the transmitting nodes are the base station and the UE, correspondingly, the receiving nodes are the UE and the base station, respectively, and the positioning reference signals are the downlink positioning reference signal and the uplink positioning respectively.
- the reference signal, the positioning reference signal configuration information is respectively the downlink positioning reference signal configuration information and the uplink positioning reference signal configuration information.
- the UE uses the base station Tx Delay parameter information and its own UE Tx Delay parameter information to correct the positioning measurement value.
- the positioning measurement value includes the base station according to the uplink positioning reference signal configuration information.
- the uplink positioning reference signal sent by the UE is measured and obtained. and the positioning measurement value obtained by the UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal.
- the positioning measurement values include but are not limited to: downlink reference signal time difference DL RSTD, base station Rx-Tx time difference gNB Rx-Tx Time Difference and UE Rx-Tx time difference UE Rx-Tx Time Difference at least one of.
- DL RSTD DL RSTD-base station Tx Delay
- Multi-RTT For multi-cell round-trip time positioning method (Multi-RTT):
- gNB Rx-Tx Time Difference gNB Rx-Tx Time Difference-UE Tx Delay
- UE Rx-Tx Time Difference UE Rx-Tx Time Difference-base station Tx Delay
- the UE can perform a positioning calculation based on the corrected positioning measurement value and the base station antenna position of the base station and other information, thereby realizing precise positioning.
- the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure is applicable to various UE-based positioning methods, can eliminate the influence of the transmission channel delay on the time-related positioning measurement value, and effectively improve the positioning accuracy.
- the UE Tx Delay parameter information or the base station Tx Delay parameter information includes the absolute group delay information of the transmission channel, the relative group delay information of the transmission channel and the quality indicator of the group delay information of the transmission channel; wherein ,
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- the UE Tx Delay parameter information or the base station Tx Delay parameter information reference may be made to the description of the Tx Delay parameter information in the foregoing embodiment, and details are not repeated here.
- the receiving base station Tx Delay parameter information sent by the base station or the positioning server LMF includes:
- the base station includes a serving base station and at least one adjacent base station.
- the base station Tx Delay parameter information of the serving base station can be sent to the UE by the serving base station itself, or forwarded by the positioning server LMF.
- the base station Tx Delay parameter information of the adjacent base station can be forwarded to the UE through the location server LMF, or it can be forwarded to the server through the Xn interface between the adjacent base station and the serving base station, and then sent by the serving base station.
- the method for correcting the transmission channel delay provided by the embodiments of the present disclosure provides the Tx Delay parameter information of the base station to the UE, which can facilitate the UE to eliminate the influence of the transmission channel delay of the base station on the positioning measurement value and effectively improve the positioning accuracy.
- the following is a further description of the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure from the positioning methods adopted by the user terminal UE—the downlink arrival time difference positioning method and the multi-cell round-trip time positioning method.
- the positioning measurement value is determined based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information.
- the positioning measurement value is determined based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information.
- the base station Tx Delay parameter information Before calibration, also include:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the fifth positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the user terminal UE adopts the downlink time difference of arrival positioning method.
- the UE needs to measure the downlink positioning reference signal sent by the base station according to the downlink positioning reference signal configuration information determined by the base station to obtain a fifth positioning measurement value.
- the UE may obtain downlink positioning reference signal configuration information from the positioning server LMF.
- the UE in the embodiment of the present disclosure has established a connection with the base station and is in a radio resource control connection (RRC_CONNECTED) state.
- RRC_CONNECTED radio resource control connection
- the UE receives a request for positioning capability message sent by the LMF, where the request for positioning capability message is used to request the UE to notify the LMF of the positioning capabilities supported by the UE; in some embodiments, the request for positioning capability message is RequestCapabilities information.
- the UE sends a Provide Positioning Capability message to the LMF, where the Provide Positioning Capability message is used to notify the LMF of the positioning function supported by the UE; in some embodiments, the Provide Positioning Capability message is a ProvideCapabilities message, the positioning function supported by the UE Positioning for UE-based DL-TDOA.
- the UE sends a request for positioning assistance data message to the LMF, where the request for positioning assistance data message is used to request the LMF to provide positioning assistance data; in some embodiments, the request for positioning assistance data message is a RequestAssistanceData message, and the positioning assistance data is DL TDOA positioning assistance data.
- the UE receives the Provide Positioning Assistance Data message sent by the LMF, where the Provide Positioning Assistance Data message is used to provide the UE with positioning assistance data, where the positioning assistance data includes downlink positioning reference signal configuration information; in some embodiments, the providing positioning assistance data
- the message is the ProvideAssistanceData message.
- the UE receives a request for location information message sent by the LMF, where the request for location information message is used to request the UE to measure the downlink location reference signal sent by the base station; in some embodiments, the request for location information message is a RequestLocationInformation message.
- the UE uses the downlink positioning reference signal configuration information to measure the downlink positioning reference signal sent by the base station to obtain a fifth positioning measurement value.
- the fifth positioning measurement value is the downlink reference signal time difference DL RSTD or DL RSRP.
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the fifth positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the UE uses the Tx Delay parameter information of the base station to correct the positioning measurement value, thereby improving the positioning accuracy of the downlink time difference of arrival positioning method.
- the positioning measurement value is Before calibration also include:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- all base stations participating in positioning include the serving base station and at least one adjacent base station;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the seventh positioning measurement value is corrected.
- the user terminal UE adopts the multi-cell round-trip time positioning method.
- the UE in the embodiment of the present disclosure has established a connection with the base station and is in a radio resource control connection (RRC_CONNECTED) state.
- RRC_CONNECTED radio resource control connection
- the UE receives a request for positioning capabilities message sent by the LMF, where the request for positioning capabilities message is used to request the UE to notify the LMF of the positioning functions supported by the UE; in some embodiments, the request for positioning capabilities message is a RequestCapabilities message.
- the UE sends a Provide Positioning Capability message to the LMF, where the Provide Positioning Capability message is used to notify the LMF of the positioning function supported by the UE; in some embodiments, the Provide Positioning Capability message is a ProvideCapabilities message, the positioning function supported by the UE Positioning for UE-based Multi-RTT.
- the UE sends a request for positioning assistance data message to the LMF, where the request for positioning assistance data message is used to request the LMF to provide positioning assistance data; in some embodiments, the request for positioning assistance data message is RequestAssistanceData, and the positioning assistance data is Multi-RTT auxiliary data.
- the UE receives the Provide Positioning Assistance Data message sent by the LMF, where the Provide Positioning Assistance Data message is used to provide the UE with positioning assistance data, where the positioning assistance data includes downlink positioning reference signal configuration information; in some embodiments, the providing positioning assistance data
- the message is ProvideAssistanceData, and the downlink positioning reference signal configuration information is determined by the server base station.
- the UE receives a request location information message sent by the LMF, and the request location information message is used to request the UE to measure the downlink location reference signal sent by the base station; in some embodiments, the request location information message is RequestLocationInformation; in some embodiments, the downlink location The reference signal is DL PRS.
- the UE uses the positioning assistance data to measure the downlink positioning reference signal sent by the base station to obtain a sixth positioning measurement value; in some embodiments, the sixth positioning measurement value is the UE sending and receiving time difference UE Rx-Tx Time Difference.
- the UE receives the uplink positioning reference signal configuration information sent by the serving base station through RRC signaling; the serving base station configures the uplink positioning reference signal for the UE through RRC signaling.
- the uplink positioning reference signal is UL SRS-Pos.
- the UE sends an uplink positioning reference signal to all the base stations participating in the positioning according to the RRC signaling, so that all the base stations participating in the positioning can measure the uplink positioning reference signal according to the configuration information of the uplink positioning reference signal sent by the LMF, and obtain a seventh positioning measurement value, and the seventh positioning measurement value is sent to the UE through the LMF; in some embodiments, the seventh positioning measurement value is the base station sending and receiving time difference gNB Rx-Tx Time Difference.
- sending the seventh positioning measurement value to the UE through the LMF includes:
- the UE sends a request for Multi-RTT measurement information to the LMF, where the request for Multi-RTT is used to request the LMF to provide information related to the Multi-RTT measurement;
- the LMF sends the provided Multi-RTT measurement information to the UE, where the provided Multi-RTT measurement information is used to send the gNB sending and receiving time difference and the base station Tx Delay measured by the base station to the UE.
- the UE uses the base station Tx Delay parameter information and the UETx Delay parameter information to correct the positioning measurement value, thereby improving the positioning accuracy of the multi-cell round trip time positioning method.
- FIG. 8 is a schematic flowchart of a UE-based Multi-RTT positioning method provided by an embodiment of the present disclosure, including the following steps:
- the UE establishes a connection with the base station and is in the radio resource control connection (RRC_CONNECTED) state;
- the LMF sends a "Request Capabilities" message to the UE, requesting the UE to notify the LMF of the positioning capabilities that the UE can support.
- the UE sends a "ProvideCapabilities" message to the LMF, reporting that the UE supports UE-based Multi-RTT positioning.
- the UE sends a "Request Assistance Data (RequestAssistanceData)" message to the LMF to request the LMF to provide Multi-RTT assistance data;
- the LMF sends a "TRP INFORMATION RESQUEST" message to the base station.
- the request message also requests the serving base station to provide TRP information (for example: TRP ID, TRP antenna position coordinates, etc.), DL PRS configuration data, and UL SRS-Pos configuration data;
- the request message only requests the adjacent base stations to provide TRP information; in the present disclosure, the LMF may request the base station to provide base station Tx Delay information;
- the base station sends a "TRP INFORMATION RESPONSE" message to the LMF.
- this message provides the LMF with DL PRS configuration data and UL SRS-Pos configuration data;
- this message provides the LMF with the TRP information of the adjacent base station.
- the serving base station and neighboring base stations can provide base station Tx Delay information to the LMF;
- the LMF sends a "Provide Assistance Data (ProvideAssistanceData)" message to the UE to provide the positioning assistance data requested by the UE, including the DL PRS configuration data;
- the LMF sends a "RequestLocationInformation" message to the UE to request the UE to measure the DL PRS of the base station;
- the UE uses the positioning assistance data (for example: PRS configuration data) to measure the downlink signal to obtain the positioning measurement value, including the UE transceiver time difference (UE Rx-Tx Time Difference);
- PRS configuration data for example: PRS configuration data
- UE transceiver time difference UE Rx-Tx Time Difference
- the base station configures SRS-Pos for the UE through RRC signaling,
- the UE sends the SRS-Pos to the serving base station and the adjacent base station according to the RRC signaling;
- the LMF sends a "MEASUREMENT REQUEST" message to each base station participating in Multi-RTT positioning.
- the message includes UL SRS-Pos configuration data, requests the base station to measure the SRS-Pos sent by the UE, and replies with the measured positioning measurement value;
- All base stations participating in Multi-RTT positioning use the UL SRS-Pos configuration data provided by the LMF to measure the SRS-Pos signal to obtain the positioning measurement value;
- the base station sends a "MEASUREMENT REPORT" message to the LMF, which includes the positioning measurement value obtained by measuring the UL SRS-Pos, and the positioning measurement value includes the gNB Rx-Tx Time Difference;
- the UE sends a "Request for Multi-RTT measurement information" (Multi-RTT MEASUREMENT REQUEST)" to the LMF, which requests the LMF to provide information related to Multi-RTT measurement;
- the LMF sends "Multi-RTT MEASUREMENT REPORT" to the UE, and the message LMF sends the gNB sending and receiving time difference measured by the base station and the base station Tx Delay to the UE;
- FIG. 9 is a fifth schematic flowchart of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure, which is applied to a positioning server LMF, including:
- Step 900 obtain base station Tx Delay parameter information and positioning reference signal configuration information
- the embodiments of the present disclosure are directed to the UE-based positioning method, that is, the user terminal UE still performs the positioning calculation, and further details the correction method of the transmission channel delay from the positioning server side.
- the user terminal UE supports the following two positioning methods for positioning solution: UE-based downlink time difference of arrival positioning method and UE-based multi-cell round trip time positioning method.
- the UE-based downlink time difference of arrival method the UE needs to use the base station Tx Delay parameter information.
- the UE-based multi-cell round trip time positioning method the UE needs to use the base station Tx Delay parameter information and its own UE Tx Delay parameter information .
- the UE may directly receive the base station Tx Delay parameter information sent by the base station, or may receive the base station Tx Delay parameter information forwarded by the positioning server LMF.
- the base station Tx Delay parameter information is forwarded by the positioning server LMF.
- the positioning server LMF obtains the base station Tx Delay parameter information and the positioning reference signal configuration information from the base station.
- Step 901 Send the positioning reference signal configuration information to a receiving node
- the positioning server LMF sends the downlink positioning reference signal configuration information obtained from the base station to the receiving node;
- the sending nodes are UE and base station respectively, the receiving nodes are base station and UE respectively, the positioning server LMF sends the downlink positioning reference signal configuration information obtained from the base station to the UE, and the positioning server LMF Send uplink positioning reference signal configuration information to all base stations participating in positioning.
- Step 902 Send the base station Tx Delay parameter information to the user terminal UE, so that the UE can correct the positioning measurement value based on its own UE Tx Delay parameter information and/or the base station Tx Delay parameter information;
- the positioning server LMF sends the base station Tx Delay parameter information to the user terminal UE, so that the UE can correct the positioning measurement value based on its own UE Tx Delay parameter information and/or the base station Tx Delay parameter information .
- the positioning measurement value is obtained by measuring the positioning reference signal sent by the sending node by the receiving node according to the positioning reference signal configuration information.
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure is suitable for various UE-based positioning methods.
- the transmission channel delay can be eliminated by forwarding the base station Tx Delay parameter information and the positioning reference signal configuration information determined by the base station by the positioning server.
- the impact on the time-related positioning measurement value can effectively improve the positioning accuracy.
- the acquisition of the base station Tx Delay parameter information and the positioning reference signal configuration information includes:
- the request TRP information message is used to simultaneously request the serving base station to provide the downlink positioning reference signal configuration information, the uplink positioning reference signal configuration information, and the TRP information and base station Tx Delay information of the serving base station;
- the request TRP information message is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station;
- the request TRP information message is used to simultaneously request the serving base station to provide downlink positioning reference signal configuration information, TRP information of the serving base station, and base station Tx Delay information; for neighboring base stations, the request TRP The information message request is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station.
- the base station and the positioning server LMF transmit the base station Tx Delay parameter information and the uplink/downlink positioning reference signal configuration information based on the NRPPa message.
- the base station includes a serving base station and at least one neighboring base station, and the uplink positioning reference signal configuration information and/or the downlink positioning reference signal configuration information are determined by the serving base station.
- the location server LMF sends a request TRP information message to the base station, and receives a TRP information offer message sent by the base station, specifically:
- the positioning server LMF sends a request TRP information message to the serving base station, where the request TRP information message is used to simultaneously request the serving base station to provide the downlink positioning reference signal configuration information, uplink positioning The reference signal configuration information, the TRP information and the base station Tx Delay information of the serving base station, and the TRP information provided message sent by the serving base station is received, and the TRP information provided message is used to provide the positioning server LMF with the downlink positioning reference signal configuration information,
- the uplink positioning reference signal configuration information and the TRP information of the serving base station and the base station Tx Delay information send a request TRP information message to the adjacent base station, and the request TRP information message is used to request the adjacent base station to provide the TRP of the adjacent base station information and base station Tx Delay information, receive the provide TRP information message sent by the adjacent base station, and the provided TRP information message is used to provide the TRP information and base station Tx Delay information of the adjacent base station to the positioning server
- the positioning server LMF sends a request TRP information message to the serving base station, where the request TRP information message is used to simultaneously request the serving base station to provide the downlink positioning reference signal configuration information, the The TRP information and the base station Tx Delay information of the serving base station, receive the TRP information provided message sent by the serving base station, and the provide TRP information message is used to provide the downlink positioning reference signal configuration information, the TRP information of the serving base station and the base station to the positioning server LMF.
- Tx Delay information send a request TRP information message to the adjacent base station, the request TRP information message is used to request the adjacent base station to provide the TRP information of the adjacent base station and the base station Tx Delay information, and receive the provided TRP information sent by the adjacent base station message, the Provide TRP Information message is used to provide the TRP information of the adjacent base station and the base station Tx Delay information to the positioning server LMF.
- the embodiments of the present disclosure are applicable to the UE-based downlink time difference of arrival positioning method. Therefore, for the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure, reference may be made to the relevant description in the embodiment of the method for calibrating the transmission channel delay with the user terminal UE as the execution subject in the above UE-based positioning method. and understanding, and will not be repeated here.
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure provides the UE with the Tx Delay parameter information of the base station, which can effectively improve the positioning accuracy.
- the method further includes:
- the request measurement information message includes the uplink positioning reference signal configuration information, and is used to request all the reference positioning base stations to measure the uplink positioning reference signal sent by the UE, and report the measurement to the positioning measurements;
- the positioning measurement values sent by all the base stations participating in the positioning are received, and the positioning measurement values sent by all the base stations participating in the positioning are sent to the UE.
- the embodiments of the present disclosure are applicable to the UE-based multi-cell round-trip time positioning method.
- the LMF sends a positioning capability request message to the UE, where the request positioning capability message is used to request the UE to notify the LMF of the positioning functions supported by the UE; in some embodiments, the request positioning capability message is a RequestCapabilities message.
- the LMF receives the Provide Positioning Capability message sent by the UE, where the Provide Positioning Capability message is used to notify the LMF of the positioning functions supported by the UE; in some embodiments, the Provide Positioning Capability message is a ProvideCapabilities message, and the positioning functions supported by the UE are UE-based Multi-RTT positioning.
- the LMF receives a request for positioning assistance data message sent by the UE, where the request for positioning assistance data message is used to request the LMF to provide positioning assistance data; in some embodiments, the request for positioning assistance data message is a RequestAssistanceData message, and the positioning assistance data is Multi-RTT positioning supplementary data.
- the LMF sends a Provide Positioning Assistance Data message to the UE, where the Provide Positioning Assistance Data message is used to provide the UE with positioning assistance data, where the positioning assistance data includes the downlink positioning reference signal configuration information; in some embodiments, the providing positioning assistance
- the data message is a ProvideAssistanceData message, and the positioning assistance data is Multi-RTT positioning assistance data.
- the LMF sends a request for positioning information message to the UE, where the request for positioning information message is used to request the UE to measure the downlink positioning reference signal sent by the base station, so that the UE can use the positioning assistance data to measure the downlink positioning reference signal sent by the base station;
- the request location information message is a RequestLocationInformation message
- the downlink location reference signal is a DL PRS.
- the LMF sends a request measurement information message to all base stations participating in positioning, where the request measurement information message includes the uplink positioning reference signal configuration information, and is used to request all the reference positioning base stations to measure the uplink positioning reference signal sent by the UE, and report it The measured positioning measurement value; in some embodiments, the request measurement information message is a MEASUREMENT REQUEST message, and the uplink positioning reference signal is UL SRS-Pos.
- the LMF receives the positioning measurement values sent by all the base stations participating in the positioning, and sends the positioning measurement values sent by all the base stations participating in the positioning to the UE. All base stations participating in Multi-RTT positioning use the UL SRS-Pos configuration data provided by the LMF to measure the SRS-Pos signal to obtain the positioning measurement value.
- the base station sends a measurement information message to the LMF, and the measurement information message includes the measurement obtained. Measurements.
- the measurement information message is provided as a MEASUREMENT REPORT message.
- the method for correcting the transmission channel delay provided by the embodiment of the present disclosure can effectively improve the positioning accuracy.
- FIG. 10 is a sixth schematic flowchart of a method for correcting a transmission channel delay provided by an embodiment of the present disclosure, applied to a base station, including:
- Step 1000 Obtain the base station Tx Delay parameter information of the transmission channel delay corresponding to the base station;
- the base station determines the corresponding transmission channel delay base station Tx Delay parameter information.
- Step 1001 Provide positioning reference signal configuration information for a user terminal UE, and send the base station Tx Delay parameter information to the UE, so that the UE can correct the positioning measurement value based on the base station Tx Delay parameter information;
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the embodiments of the present disclosure are directed to the UE-based positioning method, that is, the user terminal UE still performs the positioning calculation, and further details the correction method of the transmission channel delay from the base station side. Therefore, for the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure, reference may be made to the relevant description and understanding in the foregoing UE-based positioning method, the method for calibrating the transmission channel delay with the user terminal UE as the execution subject. , and will not be repeated here.
- the method for calibrating the transmission channel delay provided by the embodiments of the present disclosure is applicable to various UE-based positioning methods, can eliminate the influence of the transmission channel delay on the time-related positioning measurement value, and effectively improve the positioning accuracy.
- the provision of positioning reference signal configuration information for the user terminal UE includes:
- uplink positioning reference signal configuration information Generate uplink positioning reference signal configuration information and downlink positioning reference signal configuration information, and send them to the positioning server LMF, so that the LMF sends the downlink positioning reference signal configuration information to the UE, and sends the uplink positioning reference signal configuration information to all base stations participating in the positioning;
- the base station configures the uplink positioning reference signal configuration information for the UE through RRC signaling, so that the UE sends the uplink positioning reference signal to the base station through the RRC signaling according to the uplink positioning reference signal configuration information.
- the base station includes a serving base station and at least one adjacent base station
- the sending of the base station Tx Delay parameter information to the UE includes:
- the serving base station directly sends its own base station Tx Delay parameter information to the UE, or forwards its own base station Tx Delay parameter information through the LMF, and the neighboring base station forwards its own base station Tx Delay parameter information through the serving base station or the LMF .
- providing the user terminal UE with positioning reference signal configuration information, and sending the base station Tx Delay parameter information to the UE includes:
- the request TRP information message is used to simultaneously request the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the The request TRP information message requests the neighboring base station to provide its own TRP information and base station Tx Delay information; or,
- the request TRP information message simultaneously requests the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the request TRP information message requests the adjacent base station The base station provides its own TRP information and base station Tx Delay information.
- FIG. 11 is one of the schematic structural diagrams of the location server LMF provided by an embodiment of the present disclosure, including a memory 1120, a transceiver 1100, and a processor 1110, wherein,
- the transceiver 1100 is used to receive and transmit data under the control of the processor 1110 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1110 and various circuits of memory represented by memory 1120 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further in this disclosure.
- the bus interface provides the interface.
- Transceiver 1100 may be multiple elements, ie, including transmitters and receivers, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
- the processor 1110 is responsible for managing the bus architecture and general processing, and the memory 1120 may store data used by the processor 1110 in performing operations.
- the processor 1110 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also use a multi-core architecture.
- CPU central processing unit
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- CPLD complex programmable logic device
- CPLD Complex Programmable Logic Device
- the processor 1110 is configured to read the computer program in the memory and perform the following operations:
- the positioning measurement value is corrected
- the positioning measurement value is obtained by measuring, by the receiving node, the positioning reference signal sent by the sending node according to the positioning reference signal configuration information.
- the location server LMF provided by the embodiment of the present disclosure can implement all the method steps implemented by the above-mentioned method for calibrating the transmission channel delay, and can achieve the same technical effect, and the same part and beneficial effect as the method embodiment will not be described here. Describe in detail.
- the sending node is a base station and/or a user terminal UE, wherein,
- the Tx Delay parameter information is the base station Tx Delay parameter information
- the receiving node is a UE
- the positioning reference signal is a downlink positioning reference signal
- the Tx Delay parameter information is UE Tx Delay parameter information
- the receiving point is a base station
- the positioning reference signal is an uplink positioning reference signal
- the Tx Delay parameter information includes the base station Tx Delay parameter information and the UE Tx Delay parameter information
- the receiving nodes are the UE and the base station respectively
- the positioning reference signals are respectively Downlink Positioning Reference Signal and Uplink Positioning Reference Signal.
- the receiving node when the sending node is a base station, the receiving node sends the positioning reference signal to the receiving node by receiving the transmission channel delay Tx Delay parameter information sent by the sending node Configuration information, including:
- the positioning measurement value is corrected, including:
- the first positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the method before sending the request TRP information message to the base station, the method further includes:
- the receiving node sends the transmission channel delay Tx Delay parameter information sent by the sending node, and sends the location to the receiving node.
- Reference signal configuration information including:
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtaining a second positioning measurement;
- the positioning measurement value is corrected, including:
- the second positioning measurement value is corrected.
- Delay parameter information obtained by the UE further includes:
- the sending nodes are the base station and the UE respectively
- the receiving node sends the transmission channel delay Tx Delay parameter information sent by the sending node to the receiving node.
- Positioning reference signal configuration information including:
- TRP information downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information
- the UE Sending a provide positioning assistance data message to the UE, where the providing positioning assistance data message includes the downlink positioning reference signal configuration information, so that the UE can measure the downlink positioning reference sent by the base station according to the downlink positioning reference signal configuration information signal to obtain a third positioning measurement value;
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtain a fourth positioning measurement;
- the positioning measurement value is corrected based on the Tx Delay parameter information, including:
- the fourth positioning measurement value is corrected.
- the base station includes a serving base station and at least one neighboring base station, and the positioning reference signal configuration information is determined by the serving base station.
- the transmission channel delay Tx Delay parameter information includes absolute group delay information of the transmission channel, relative group delay information of the transmission channel, and transmission channel group delay information quality indication of information; of which,
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- the positioning server LMF provided by the above-mentioned embodiments of the present disclosure can implement all the method steps implemented by the above-mentioned method for calibrating the transmission channel delay, and can achieve the same technical effect. The effect is described in detail.
- FIG. 12 is one of the schematic structural diagrams of a user terminal UE provided by an embodiment of the present disclosure, including a memory 1220, a transceiver 1200, and a processor 1210:
- the transceiver 1200 is used to receive and transmit data under the control of the processor 1210 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1210 and various circuits of memory represented by memory 1220 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and, therefore, will not be described further in this disclosure.
- the bus interface provides the interface.
- Transceiver 1200 may be a number of elements, including transmitters and receivers, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like Transmission medium.
- the user interface 1230 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 1210 is responsible for managing the bus architecture and general processing, and the memory 1220 may store data used by the processor 1210 in performing operations.
- the processor 1210 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit, an application-specific integrated circuit), an FPGA (Field-Programmable Gate Array, a field programmable gate array) or a CPLD (Complex Programmable Logic Device, Complex Programmable Logic Device), the processor can also use a multi-core architecture.
- CPU central processing unit
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device, Complex Programmable Logic Device
- the processor 1210 is configured to read the computer program in the memory 1220 and perform the following operations:
- the positioning measurement value is obtained by the base station measuring the uplink positioning reference signal sent by the UE according to the configuration information of the uplink positioning reference signal, and/or sending the base station to the base station according to the configuration information of the downlink positioning reference signal for the UE.
- the downlink positioning reference signal is measured and obtained.
- the sending of the UE Tx Delay parameter information to the location server LMF includes:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information;
- the Provide UE Tx Delay message includes the UE Tx Delay parameter information.
- the method further includes:
- the method includes:
- the downlink positioning reference signal sent by the base station is measured to obtain a third positioning measurement value, and the third positioning measurement value is sent to the LMF for the LMF to use the base station based on the Tx Delay parameter information, to correct the third positioning measurement value;
- the user terminal UE provided by the above-mentioned embodiments of the present disclosure can implement all the method steps implemented by the above-mentioned method for correcting the transmission channel delay, and can achieve the same technical effect.
- the same parts and beneficial effects of the embodiments are described in detail.
- FIG. 13 is one of the schematic structural diagrams of a base station provided by an embodiment of the present disclosure, including a memory 1320, a transceiver 1300, and a processor 1310, wherein,
- the transceiver 1300 is used to receive and transmit data under the control of the processor 1310 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1310 and various circuits of memory represented by memory 1320 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further in this disclosure.
- the bus interface provides the interface.
- Transceiver 1300 may be a number of elements, including a transmitter and a receiver, that provide means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
- the processor 1310 is responsible for managing the bus architecture and general processing, and the memory 1320 may store data used by the processor 1310 in performing operations.
- the processor 1310 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also use a multi-core architecture.
- CPU central processing unit
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- CPLD complex programmable logic device
- the processor 1310 is configured to read the computer program in the memory and perform the following operations:
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the sending of the base station Tx Delay parameter information to the location server LMF includes:
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, downlink positioning reference signal configuration information and base station Tx Delay parameter information; or,
- the request TRP information message is used to request the base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information, and the provide TRP information message includes the TRP information, Downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information.
- the base station includes a serving base station and at least one neighboring base station, and the uplink positioning reference signal configuration information and/or the downlink positioning reference signal configuration information are determined by the serving base station.
- the base station provided by the above-mentioned embodiments of the present disclosure can implement all the method steps implemented by the above-mentioned method for calibrating the transmission channel delay, and can achieve the same technical effect.
- the same parts and beneficial effects will be described in detail.
- An embodiment of the present disclosure further provides a user terminal UE, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information by the receiving node.
- the receiving base station Tx Delay parameter information sent by the base station or the positioning server LMF includes:
- the method when the sending node is a base station, before calibrating the positioning measurement value based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, the method further includes:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the fifth positioning measurement value is corrected based on the base station Tx Delay parameter information.
- the method further includes:
- the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- the LMF receiving a provide positioning assistance data message sent by the LMF, where the providing positioning assistance data message is used to provide positioning assistance data for the UE, and the positioning assistance data includes downlink positioning reference signal configuration information;
- all base stations participating in positioning include the serving base station and at least one adjacent base station;
- the positioning measurement value is corrected based on the UE Tx Delay parameter information and/or the base station Tx Delay parameter information, specifically:
- the seventh positioning measurement value is corrected.
- the UE Tx Delay parameter information or the base station Tx Delay parameter information includes the absolute group delay information of the transmission channel, the relative group delay information of the transmission channel, and the quality indicator of the transmission channel group delay information; in,
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indicator of the transmission channel group delay information includes an error parameter.
- the user terminal UE provided by the above-mentioned embodiments of the present disclosure can implement all the method steps implemented by the above-mentioned method for correcting the transmission channel delay, and can achieve the same technical effect.
- the same parts and beneficial effects of the embodiments are described in detail.
- An embodiment of the present disclosure further provides a positioning server LMF, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by the receiving node measuring the positioning reference signal sent by the sending node according to the positioning reference signal configuration information
- the receiving node when the sending node is a base station, the receiving node is a UE; when the sending node is a UE and a base station, the receiving node corresponds to a base station and a UE, respectively.
- the acquiring base station Tx Delay parameter information and positioning reference signal configuration information includes:
- the request TRP information message is used to simultaneously request the serving base station to provide the downlink positioning reference signal configuration information, the uplink positioning reference signal configuration information, and the TRP information and base station Tx Delay information of the serving base station;
- the request TRP information message is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station;
- the request TRP information message is used to simultaneously request the serving base station to provide downlink positioning reference signal configuration information, TRP information of the serving base station, and base station Tx Delay information; for a neighboring base station, the request TRP The information message request is used to request the neighboring base station to provide the TRP information and base station Tx Delay information of the neighboring base station.
- it also includes:
- the method further includes:
- the request measurement information message includes the uplink positioning reference signal configuration information, and is used to request all reference positioning base stations to measure the uplink positioning reference signal sent by the UE, and report the measurement to the positioning measurements;
- the positioning measurement values sent by all the base stations participating in the positioning are received, and the positioning measurement values sent by all the base stations participating in the positioning are sent to the UE.
- the positioning server LMF provided by the above-mentioned embodiments of the present disclosure can implement all the method steps implemented by the above-mentioned method for calibrating the transmission channel delay, and can achieve the same technical effect.
- the same parts and beneficial effects of the embodiments are described in detail.
- An embodiment of the present disclosure further provides a base station, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the positioning measurement value is obtained by the user terminal UE measuring the downlink positioning reference signal sent by the base station according to the configuration information of the downlink positioning reference signal, and/or, for the base station according to the configuration information of the uplink positioning reference signal, for the The uplink positioning reference signal sent by the UE is obtained by measuring.
- the providing positioning reference signal configuration information for the user terminal UE includes:
- uplink positioning reference signal configuration information Generate uplink positioning reference signal configuration information and downlink positioning reference signal configuration information, and send them to the positioning server LMF, so that the LMF sends the downlink positioning reference signal configuration information to the UE, and sends the uplink positioning reference signal configuration information to all base stations participating in the positioning;
- the base station configures the uplink positioning reference signal configuration information for the UE through RRC signaling, so that the UE sends the uplink positioning reference signal to the base station through the RRC signaling according to the uplink positioning reference signal configuration information.
- the base station includes a serving base station and at least one neighboring base station
- the sending the base station Tx Delay parameter information to the UE includes:
- the serving base station directly sends its own base station Tx Delay parameter information to the UE, or forwards its own base station Tx Delay parameter information through the LMF, and the neighboring base station forwards its own base station Tx Delay parameter information through the serving base station or the LMF .
- providing the user terminal UE with positioning reference signal configuration information, and sending the base station Tx Delay parameter information to the UE includes:
- the request TRP information message is used to simultaneously request the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, uplink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the The request TRP information message requests the neighboring base station to provide its own TRP information and base station Tx Delay information; or,
- the request TRP information message simultaneously requests the serving base station to provide its own TRP information, downlink positioning reference signal configuration information, and its own base station Tx Delay information; for adjacent base stations, the request TRP information message requests the adjacent base station The base station provides its own TRP information and base station Tx Delay information.
- the base station provided by the above-mentioned embodiments of the present disclosure can implement all the method steps implemented by the above-mentioned method for calibrating the transmission channel delay, and can achieve the same technical effect.
- the same parts and beneficial effects will be described in detail.
- FIG. 14 is the second schematic structural diagram of the positioning server LMF provided by the embodiment of the present disclosure, including: a first transmission unit 1410 and a first correction unit 1420, wherein,
- the first transmission unit 1410 is used to receive the transmission channel delay Tx Delay parameter information sent by the sending node, and send the positioning reference signal configuration information to the receiving node;
- a first correction unit 1420 configured to correct the positioning measurement value based on the Tx Delay parameter information
- the positioning measurement value is obtained by measuring, by the receiving node, the positioning reference signal sent by the sending node according to the positioning reference signal configuration information.
- the sending node is a base station and/or a user terminal UE, wherein,
- the Tx Delay parameter information is the base station Tx Delay parameter information
- the receiving node is a UE
- the positioning reference signal is a downlink positioning reference signal
- the Tx Delay parameter information is UE Tx Delay parameter information
- the receiving point is a base station
- the positioning reference signal is an uplink positioning reference signal
- the Tx Delay parameter information includes the base station Tx Delay parameter information and the UE Tx Delay parameter information
- the receiving nodes are the UE and the base station respectively
- the positioning reference signals are respectively Downlink Positioning Reference Signal and Uplink Positioning Reference Signal.
- the first transmission unit is configured to:
- the UE Sending a provide positioning assistance data message to the UE, where the providing positioning assistance data message includes the downlink positioning reference signal configuration information, so that the UE can perform the downlink positioning reference signal sent by the base station according to the downlink positioning reference signal configuration information. measure, and obtain the first positioning measurement value;
- the first correction unit is used for:
- the first positioning measurement value is corrected.
- a first positioning capability requesting unit configured to send a positioning capability request message to the UE, where the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE;
- a first positioning capability receiving unit configured to receive a positioning capability providing message sent by the UE, where the providing positioning capability message is used to notify the LMF of the positioning function supported by the UE;
- a first positioning assistance request receiving unit configured to receive a positioning assistance data request message sent by the UE, where the request positioning assistance data message is used to request the LMF to provide positioning assistance data to the UE.
- the first transmission unit is used for:
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtaining a second positioning measurement;
- the first correction unit is used for:
- the second positioning measurement value is corrected.
- the second positioning capability requesting unit is configured to send a positioning capability request message to the UE, where the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information ;
- a second positioning capability receiving unit configured to receive a positioning capability providing message sent by the UE, where the providing positioning capability message is used to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information;
- the first sending delay request unit is configured to send a request UE Tx Delay message to the UE, where the request UE Tx Delay message is used to request the UE to provide UE Tx Delay parameter information.
- the first transmission unit is configured to:
- TRP information downlink positioning reference signal configuration information, uplink positioning reference signal configuration information and base station Tx Delay parameter information
- the UE Sending a provide positioning assistance data message to the UE, where the providing positioning assistance data message includes the downlink positioning reference signal configuration information, so that the UE can measure the downlink positioning reference signal sent by the base station according to the downlink positioning reference signal configuration information signal to obtain a third positioning measurement value;
- the base station sending a measurement request information message to the base station, where the request measurement information message includes the uplink positioning reference signal configuration information, for the base station to measure the uplink positioning reference signal sent by the UE according to the uplink positioning reference signal configuration information, obtaining a fourth positioning measurement;
- the first correction unit is used for:
- the fourth positioning measurement value is corrected.
- a third positioning capability requesting unit configured to send a positioning capability request message to the UE, where the requesting positioning capability message is used to request the UE to notify the LMF of the positioning function supported by the UE and whether it is capable of providing the UE Tx Delay parameter information;
- a third positioning capability receiving unit configured to receive a positioning capability providing message sent by the UE, where the providing positioning capability message is used to notify the LMF of the positioning function supported by the UE and whether it is capable of providing UE Tx Delay parameter information;
- a second sending delay request unit configured to send a request UE Tx Delay message to the UE, where the request UE Tx Delay message is used to request the UE to provide UE Tx Delay parameter information;
- the second positioning assistance request receiving unit is configured to receive a positioning assistance data request message sent by the UE, where the request positioning assistance data message is used to request the LMF to provide the UE with positioning assistance data.
- the base station includes a serving base station and at least one neighboring base station, and the positioning reference signal configuration information is determined by the serving base station.
- the transmission channel delay Tx Delay parameter information includes absolute group delay information of the transmission channel, relative group delay information of the transmission channel, and a quality indicator of the transmission channel group delay information;
- the absolute group delay information of the transmission channel is a parameter related to each carrier frequency band or a carrier frequency with a certain carrier bandwidth, and represents the absolute delay of the carrier frequency band or carrier frequency;
- the relative group delay information of the transmission channel is a set of parameters associated with the sub-carrier frequency in the bandwidth covered by the frequency band or the carrier frequency;
- the quality indication of the transmission channel group delay information includes an error parameter.
- the location server LMF provided by the embodiment of the present disclosure can implement all the method steps implemented by the above-mentioned method for calibrating the transmission channel delay, and can achieve the same technical effect, and the method embodiment will not be discussed here. The same parts and beneficial effects will be described in detail.
- FIG. 15 is the second schematic structural diagram of a user terminal UE provided by an embodiment of the present disclosure, including: a first obtaining unit 1510 and a first sending unit 1520, wherein:
- a first obtaining unit 1510 configured to obtain the UE Tx Delay parameter information corresponding to the UE
- a first sending unit 1520 configured to send the UE Tx Delay parameter information to the positioning server LMF, so that the LMF corrects the positioning measurement value based on the UE Tx Delay parameter information;
- the positioning measurement value is obtained by the base station measuring the uplink positioning reference signal sent by the UE according to the configuration information of the uplink positioning reference signal, and/or sending the base station to the base station according to the configuration information of the downlink positioning reference signal for the UE.
- the downlink positioning reference signal is measured and obtained.
- the first sending unit is used for:
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims (91)
- 一种发送通道时延的校正方法,其特征在于,应用于定位服务器LMF,包括:接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息;基于所述Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为所述接收节点根据所述定位参考信号配置信息,对所述发送节点发送的定位参考信号进行测量获得。
- 根据权利要求1所述的发送通道时延的校正方法,其特征在于,所述发送节点为基站和/或用户终端UE,其中,在所述发送节点为基站的情况下,所述Tx Delay参数信息为基站Tx Delay参数信息,所述接收节点为UE,所述定位参考信号为下行定位参考信号;在所述发送节点为UE的情况下,所述Tx Delay参数信息为UE Tx Delay参数信息,所述接收接点为基站,所述定位参考信号为上行定位参考信号;在所述发送节点分别为基站和UE的情况下,所述Tx Delay参数信息包括基站Tx Delay参数信息和UE Tx Delay参数信息,所述接收节点分别为UE和基站,所述定位参考信号分别为下行定位参考信号和上行定位参考信号。
- 根据权利要求2所述的发送通道时延的校正方法,其特征在于,在所述发送节点为基站的情况下,所述接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息,包括:向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;接收所述TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;向UE发送提供定位辅助数据消息,所述提供定位辅助数据消息包括所述下行定位参考信号配置信息,以供所述UE根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量,获得第一定位测量值;所述基于所述Tx Delay参数信息,对定位测量值进行校正,包括:基于所述基站Tx Delay参数信息,对所述第一定位测量值进行校正。
- 根据权利要求3所述的发送通道时延的校正方法,其特征在于,所述向基站发送请求TRP信息消息之前,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;接收所述UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;接收所述UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF向所述UE提供定位辅助数据。
- 根据权利要求2所述的发送通道时延的校正方法,其特征在于,在所述发送节点为用户终端UE的情况下,所述接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息,包括:接收UE获取的UE Tx Delay参数信息;向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息和上行定位参考信号配置信息;接收所述TRP信息和上行定位参考信号配置信息;向所述基站发送请求测量信息消息,所述请求测量信息消息包括所述上行定位参考信号配置信息,以供所述基站根据所述上行定位参考信号配置信息,测量UE发送的上行定位参考信号,获得第二定位测量值;所述基于所述Tx Delay参数信息,对定位测量值进行校正,包括:基于所述UE Tx Delay参数信息,对所述第二定位测量值进行校正。
- 根据权利要求5所述的发送通道时延的校正方法,其特征在于,所述接收UE获取的UE Tx Delay参数信息之前,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能以及是否有能力提供UE Tx Delay参数信息;接收所述UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;向UE发送请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求 所述UE提供UE Tx Delay参数信息。
- 根据权利要求2所述的发送通道时延的校正方法,其特征在于,在所述发送节点分别为基站和UE的情况下,所述接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息,包括:接收UE获取的UE Tx Delay参数信息;向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息;接收所述TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息;向所述UE发送提供定位辅助数据消息,所述提供定位辅助数据消息包括所述下行定位参考信号配置信息,以供所述UE根据所述下行定位参考信号配置信息,测量基站发送的下行定位参考信号,获得第三定位测量值;向所述基站发送请求测量信息消息,所述请求测量信息消息包括所述上行定位参考信号配置信息,以供所述基站根据所述上行定位参考信号配置信息,测量UE发送的上行定位参考信号,获得第四定位测量值;所述基于所述Tx Delay参数信息,对定位测量值进行校正,包括:基于所述基站Tx Delay参数信息,对所述第三定位测量值进行校正;基于所述UE Tx Delay参数信息,对所述第四定位测量值进行校正。
- 根据权利要求7所述的发送通道时延的校正方法,其特征在于,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;向UE发送请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息;接收所述UE发送的请求定位辅助数据消息,所述请求定位辅助数据消 息用于请求所述LMF向所述UE提供定位辅助数据。
- 根据权利要求3、5或7所述的发送通道时延的校正方法,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述定位参考信号配置信息由所述服务基站确定。
- 根据权利要求1所述的发送通道时延的校正方法,其特征在于,所述发送通道时延Tx Delay参数信息包括发送通道的绝对群时延信息、发送通道的相对群时延信息和发送通道群时延信息的质量标示;其中,所述发送通道的绝对群时延信息为与每个载波频段或具有一定载波带宽的载波频率有关的参数,代表所述载波频段或载波频率的绝对时延;所述发送通道的相对群时延信息为一组与频带或载波频率所覆盖的带宽中的子载波频率相关联的参数;所述发送通道群时延信息的质量标示包括误差参数。
- 一种发送通道时延的校正方法,其特征在于,应用于用户终端UE,包括:获取所述UE对应的发送通道时延UE Tx Delay参数信息;向定位服务器LMF发送所述UE Tx Delay参数信息,以供所述LMF基于所述UE Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为基站根据上行定位参考信号配置信息,对所述UE发送的上行定位参考信号进行测量获得,和/或,为所述UE根据下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量获得。
- 根据权利要求11所述的发送通道时延的校正方法,其特征在于,所述向定位服务器LMF发送所述UE Tx Delay参数信息,包括:接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能以及是否有能力提供UETx Delay参数信息;向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;接收所述LMF发送的请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息;向所述LMF发送提供UE Tx Delay消息,所述提供UE Tx Delay消息包括所述UE Tx Delay参数信息。
- 根据权利要求12所述的发送通道时延的校正方法,其特征在于,所述向所述LMF发送提供UE Tx Delay消息之后,还包括:接收基站通过RRC信令发送的上行定位参考信号配置信息,并向所述基站发送上行定位参考信号,以供所述基站对所述上行定位参考信号进行测量,并将测量获得的定位测量值发送至所述LMF,以供所述LMF基于所述UE Tx Delay参数信息,对所述定位测量值进行校正。
- 根据权利要求12所述的发送通道时延的校正方法,其特征在于,所述向所述LMF发送提供UE Tx Delay消息之后,还包括:向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;接收所述LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息包括下行定位参考信号配置信息;根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量,获得第三定位测量值,并将所述第三定位测量值发送至所述LMF,以供所述LMF基于基站Tx Delay参数信息,对所述第三定位测量值进行校正;接收基站通过RRC信令发送的上行定位参考信号配置信息,并向所述基站发送上行定位参考信号,以供所述基站对所述上行定位参考信号进行测量,并获得第四定位测量值,并将所述第四定位测量值发送至所述LMF,以供所述LMF基于所述UE Tx Delay参数信息,对所述第四定位测量值进行校正。
- 一种发送通道时延的校正方法,其特征在于,应用于基站,包括:获取所述基站对应的发送通道时延基站Tx Delay参数信息;向定位服务器LMF发送所述基站Tx Delay参数信息,以供所述LMF基于所述基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为用户终端UE根据下行定位参考信号配置信息,对所述基站发送的下行定位参考信号进行测量获得,和/或,为所述基站根据上行定位参考信号配置信息,对UE发送的上行定位参考信号进行测量获得。
- 根据权利要求15所述的发送通道时延的校正方法,其特征在于,所 述向定位服务器LMF发送所述基站Tx Delay参数信息,包括:接收所述LMF发送的请求TRP信息消息,向所述LMF发送提供TRP信息消息;其中,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息,所述提供TRP信息消息包括所述TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;或者,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息,所述提供TRP信息消息包括所述TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息。
- 根据权利要求15所述的发送通道时延的校正方法,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述上行定位参考信号配置信息和/或下行定位参考信号配置信息由所述服务基站确定。
- 一种发送通道时延的校正方法,其特征在于,应用于用户终端UE,包括:获取所述UE对应的发送通道时延UE Tx Delay参数信息;接收基站或定位服务器LMF发送的基站Tx Delay参数信息;基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为接收节点根据定位参考信号配置信息,对发送节点发送的定位参考信号进行测量获得。
- 根据权利要求18所述的发送通道时延的校正方法,其特征在于,所述接收基站或定位服务器LMF发送的基站Tx Delay参数信息,包括:接收服务基站自身的基站Tx Delay参数信息,以及服务基站转发的相邻基站的基站Tx Delay参数信息;或者,接收服务基站自身的基站Tx Delay参数信息,以及所述LMF转发的相邻基站的基站Tx Delay参数信息;或者,接收所述LMF转发的服务基站和相邻基站的基站Tx Delay参数信息。
- 根据权利要求18所述的发送通道时延的校正方法,其特征在于,在 所述发送节点为基站的情况下,所述基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正之前,还包括:接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;接收LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;接收LMF发送的请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号;利用所述下行定位参考信号配置信息对基站发送的下行定位参考信号进行测量,获得第五定位测量值;所述基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正,具体为:基于所述基站Tx Delay参数信息,对所述第五定位测量值进行校正。
- 根据权利要求18所述的发送通道时延的校正方法,其特征在于,在所述发送节点为基站和UE的情况下,基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正之前,还包括:接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;接收LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;接收LMF发送的请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号;利用所述定位辅助数据对基站发送的下行定位参考信号进行测量,获得第六定位测量值;接收服务基站通过RRC信令发送的上行定位参考信号配置信息;根据RRC信令向所有参与定位的基站发送上行定位参考信号,以供所述所有参与定位的基站根据LMF发送的上行定位参考信号配置信息,测量所述上行定位参考信号,获得第七定位测量值,并通过LMF将所述第七定位测量值发送给所述UE;其中,所有参与定位的基站包括所述服务基站和至少一个相邻基站;所述基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正,具体为:基于所述基站Tx Delay参数信息,对所述第六定位测量值进行校正;基于所述UE Tx Delay参数信息,对所述第七定位测量值进行校正。
- 根据权利要求18所述的发送通道时延的校正方法,其特征在于,所述UE Tx Delay参数信息或基站Tx Delay参数信息包括发送通道的绝对群时延信息、发送通道的相对群时延信息和发送通道群时延信息的质量标示;其中,所述发送通道的绝对群时延信息为与每个载波频段或具有一定载波带宽的载波频率有关的参数,代表所述载波频段或载波频率的绝对时延;所述发送通道的相对群时延信息为一组与频带或载波频率所覆盖的带宽中的子载波频率相关联的参数;所述发送通道群时延信息的质量标示包括误差参数。
- 一种发送通道时延的校正方法,其特征在于,应用于定位服务器LMF,包括:获取基站Tx Delay参数信息和定位参考信号配置信息;将所述定位参考信号配置信息发送给接收节点;将所述基站Tx Delay参数信息发送给用户终端UE,以供所述UE基于自身的UE Tx Delay参数信息和/或所述基站Tx Delay参数信息,对定位测量值 进行校正;其中,所述定位测量值为接收节点根据所述定位参考信号配置信息,对发送节点发送的定位参考信号进行测量获得;其中,所述发送节点为基站时,接收节点为UE;所述发送节点分别为UE和基站时,接收节点分别对应为基站和UE。
- 根据权利要求23所述的发送通道时延的校正方法,其特征在于,所述获取基站Tx Delay参数信息和定位参考信号配置信息,包括:向基站发送请求TRP信息消息,接收基站发送的提供TRP信息消息;其中,针对服务基站,所述请求TRP信息消息用于同时请求所述服务基站提供下行定位参考信号配置信息、上行定位参考信号配置信息以及所述服务基站的TRP信息和基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息用于请求所述相邻基站提供所述相邻基站的TRP信息和基站Tx Delay信息;或者,针对服务基站,所述请求TRP信息消息用于同时请求所述服务基站提供下行定位参考信号配置信息、所述服务基站的TRP信息和基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求用于请求所述相邻基站提供所述相邻基站的TRP信息和基站Tx Delay信息。
- 根据权利要求23所述的发送通道时延的校正方法,其特征在于,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;接收UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求LMF提供定位辅助数据;向UE发送提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;向UE发送请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号,以供UE利用所述定位辅助数据对基站发送的下行定位参考信号进行测量。
- 根据权利要求25所述的发送通道时延的校正方法,其特征在于,所述向UE发送请求定位信息消息之后,还包括:向所有参与定位的基站发送请求测量信息消息,所述请求测量信息消息包括上行定位参考信号配置信息,用于请求所述所有参考定位的基站测量UE发送的上行定位参考信号,并上报测量到的定位测量值;接收所有参与定位的基站发送的定位测量值,并将所述所有参与定位的基站发送的定位测量值发送给UE。
- 一种发送通道时延的校正方法,其特征在于,应用于基站,包括:获取所述基站对应的发送通道时延基站Tx Delay参数信息;为用户终端UE提供定位参考信号配置信息,向所述UE发送所述基站Tx Delay参数信息,以供所述UE基于所述基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为用户终端UE根据下行定位参考信号配置信息,对所述基站发送的下行定位参考信号进行测量获得,和/或,为所述基站根据上行定位参考信号配置信息,对UE发送的上行定位参考信号进行测量获得。
- 根据权利要求27所述的发送通道时延的校正方法,其特征在于,所述为用户终端UE提供定位参考信号配置信息,包括:生成下行定位参考信号配置信息,并通过定位服务器LMF转发给所述UE,以供所述UE根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量;或者,生成上行定位参考信号配置信息和下行定位参考信号配置信息,并发送给定位服务器LMF,以供所述LMF将所述下行定位参考信号配置信息发送给UE,将所述上行定位参考信号配置信息发送至所有参与定位的基站;其中,基站通过RRC信令为UE配置上行定位参考信号配置信息,以供所述UE根据所述上行定位参考信号配置信息,通过RRC信令向所述基站发送上行定位参考信号。
- 根据权利要求27所述的发送通道时延的校正方法,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述向所述UE发送所述基站Tx Delay参数信息,包括:所述服务基站直接向所述UE发送自身的基站Tx Delay参数信息,或通 过LMF转发自身的基站Tx Delay参数信息,所述相邻基站通过所述服务基站或LMF转发自身的基站Tx Delay参数信息。
- 根据权利要求27所述的发送通道时延的校正方法,其特征在于,所述为用户终端UE提供定位参考信号配置信息,向所述UE发送所述基站Tx Delay参数信息,包括:接收LMF发送的请求TRP信息消息,向LMF发送提供TRP信息消息;其中,针对服务基站,所述请求TRP信息消息用于同时请求服务基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和自身的基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求所述相邻基站提供自身的TRP信息和基站Tx Delay信息;或者,针对服务基站,所述请求TRP信息消息同时请求服务基站提供自身的TRP信息、下行定位参考信号配置信息和自身的基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求所述相邻基站提供自身的TRP信息和基站Tx Delay信息。
- 一种定位服务器LMF,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息;基于所述Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为所述接收节点根据所述定位参考信号配置信息,对所述发送节点发送的定位参考信号进行测量获得。
- 根据权利要求31所述的定位服务器LMF,其特征在于,所述发送节点为基站和/或用户终端UE,其中,在所述发送节点为基站的情况下,所述Tx Delay参数信息为基站Tx Delay参数信息,所述接收节点为UE,所述定位参考信号为下行定位参考信号;在所述发送节点为UE的情况下,所述Tx Delay参数信息为UE Tx Delay参数信息,所述接收接点为基站,所述定位参考信号为上行定位参考信号;在所述发送节点分别为基站和UE的情况下,所述Tx Delay参数信息包括基站Tx Delay参数信息和UE Tx Delay参数信息,所述接收节点分别为UE和基站,所述定位参考信号分别为下行定位参考信号和上行定位参考信号。
- 根据权利要求32所述的定位服务器LMF,其特征在于,在所述发送节点为基站的情况下,所述接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息,包括:向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;接收所述TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;向UE发送提供定位辅助数据消息,所述提供定位辅助数据消息包括所述下行定位参考信号配置信息,以供所述UE根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量,获得第一定位测量值;所述基于所述Tx Delay参数信息,对定位测量值进行校正,包括:基于所述基站Tx Delay参数信息,对所述第一定位测量值进行校正。
- 根据权利要求33所述的定位服务器LMF,其特征在于,所述向基站发送请求TRP信息消息之前,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;接收所述UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;接收所述UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF向所述UE提供定位辅助数据。
- 根据权利要求32所述的定位服务器LMF,其特征在于,在所述发送节点为用户终端UE的情况下,所述接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息,包括:接收UE获取的UE Tx Delay参数信息;向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息和上行定位参考信号配置信息;接收所述TRP信息和上行定位参考信号配置信息;向所述基站发送请求测量信息消息,所述请求测量信息消息包括所述上行定位参考信号配置信息,以供所述基站根据所述上行定位参考信号配置信息,测量UE发送的上行定位参考信号,获得第二定位测量值;所述基于所述Tx Delay参数信息,对定位测量值进行校正,包括:基于所述UE Tx Delay参数信息,对所述第二定位测量值进行校正。
- 根据权利要求35所述的定位服务器LMF,其特征在于,所述接收UE获取的UE Tx Delay参数信息之前,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能以及是否有能力提供UE Tx Delay参数信息;接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;向UE发送请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息。
- 根据权利要求32所述的定位服务器LMF,其特征在于,在所述发送节点分别为基站和UE的情况下,所述接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息,包括:接收UE获取的UE Tx Delay参数信息;向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息;接收所述TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息;向所述UE发送提供定位辅助数据消息,所述提供定位辅助数据消息包括所述下行定位参考信号配置信息,以供所述UE根据所述下行定位参考信号配置信息,测量基站发送的下行定位参考信号,获得第三定位测量值;向所述基站发送请求测量信息消息,所述请求测量信息消息包括所述上行定位参考信号配置信息,以供所述基站根据所述上行定位参考信号配置信 息,测量UE发送的上行定位参考信号,获得第四定位测量值;所述基于所述Tx Delay参数信息,对定位测量值进行校正,包括:基于所述基站Tx Delay参数信息,对所述第三定位测量值进行校正;基于所述UE Tx Delay参数信息,对所述第四定位测量值进行校正。
- 根据权利要求37所述的定位服务器LMF,其特征在于,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;向UE发送请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息;接收所述UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF向所述UE提供定位辅助数据。
- 根据权利要求33、35或37所述的定位服务器LMF,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述定位参考信号配置信息由所述服务基站确定。
- 根据权利要求31所述的定位服务器LMF,其特征在于,所述发送通道时延Tx Delay参数信息包括发送通道的绝对群时延信息、发送通道的相对群时延信息和发送通道群时延信息的质量标示;其中,所述发送通道的绝对群时延信息为与每个载波频段或具有一定载波带宽的载波频率有关的参数,代表所述载波频段或载波频率的绝对时延;所述发送通道的相对群时延信息为一组与频带或载波频率所覆盖的带宽中的子载波频率相关联的参数;所述发送通道群时延信息的质量标示包括误差参数。
- 一种用户终端UE,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:获取所述UE对应的发送通道时延UE Tx Delay参数信息;向定位服务器LMF发送所述UE Tx Delay参数信息,以供所述LMF基于所述UE Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为基站根据上行定位参考信号配置信息,对所述UE发送的上行定位参考信号进行测量获得,和/或,为所述UE根据下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量获得。
- 根据权利要求41所述的用户终端UE,其特征在于,所述向定位服务器LMF发送所述UE Tx Delay参数信息,包括:接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能以及是否有能力提供UE Tx Delay参数信息;向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;接收所述LMF发送的请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息;向所述LMF发送提供UE Tx Delay消息,所述提供UE Tx Delay消息包括所述UE Tx Delay参数信息。
- 根据权利要求42所述的用户终端UE,其特征在于,所述向所述LMF发送提供UE Tx Delay消息之后,还包括:接收基站通过RRC信令发送的上行定位参考信号配置信息,并向所述基站发送上行定位参考信号,以供所述基站对所述上行定位参考信号进行测量,并将测量获得的定位测量值发送至所述LMF,以供所述LMF基于所述UE Tx Delay参数信息,对所述定位测量值进行校正。
- 根据权利要求42所述的用户终端UE,其特征在于,所述向所述LMF发送提供UE Tx Delay消息之后,包括:向定位服务器LMF发送所述UE Tx Delay参数信息;向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;接收所述LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息包括下行定位参考信号配置信息;根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量,获得第三定位测量值,并将所述第三定位测量值发送至所述LMF,以供所述LMF基于基站Tx Delay参数信息,对所述第三定位测量值进行校正;接收基站通过RRC信令发送的上行定位参考信号配置信息,并向所述基站发送上行定位参考信号,以供所述基站对所述上行定位参考信号进行测量,并获得第四定位测量值,并将所述第四定位测量值发送至所述LMF,以供所述LMF基于所述UE Tx Delay参数信息,对所述第四定位测量值进行校正。
- 一种基站,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:获取所述基站对应的发送通道时延基站Tx Delay参数信息;向定位服务器LMF发送所述基站Tx Delay参数信息,以供所述LMF基于所述基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为用户终端UE根据下行定位参考信号配置信息,对所述基站发送的下行定位参考信号进行测量获得,和/或,为所述基站根据上行定位参考信号配置信息,对UE发送的上行定位参考信号进行测量获得。
- 根据权利要求45所述的基站,其特征在于,所述向定位服务器LMF发送所述基站Tx Delay参数信息,包括:接收所述LMF发送的请求TRP信息消息,向所述LMF发送提供TRP信息消息;其中,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息,所述提供TRP信息消息包括所述TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;或者,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息,所述提供TRP信息消息包括所述TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息。
- 根据权利要求45所述的基站,其特征在于,所述基站包括服务基站 和至少一个相邻基站,所述上行定位参考信号配置信息和/或下行定位参考信号配置信息由所述服务基站确定。
- 一种用户终端UE,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:获取所述UE对应的发送通道时延UE Tx Delay参数信息;接收基站或定位服务器LMF发送的基站Tx Delay参数信息;基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为接收节点根据定位参考信号配置信息,对发送节点发送的定位参考信号进行测量获得。
- 根据权利要求48所述的用户终端UE,其特征在于,所述接收基站或定位服务器LMF发送的基站Tx Delay参数信息,包括:接收服务基站自身的基站Tx Delay参数信息,以及服务基站转发的相邻基站的基站Tx Delay参数信息;或者,接收服务基站自身的基站Tx Delay参数信息,以及所述LMF转发的相邻基站的基站Tx Delay参数信息;或者,接收所述LMF转发的服务基站和相邻基站的基站Tx Delay参数信息。
- 根据权利要求48所述的用户终端UE,其特征在于,在所述发送节点为基站的情况下,所述基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正之前,还包括:接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;接收LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;接收LMF发送的请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号;利用所述下行定位参考信号配置信息对基站发送的下行定位参考信号进行测量,获得第五定位测量值;所述基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正,具体为:基于所述基站Tx Delay参数信息,对所述第五定位测量值进行校正。
- 根据权利要求48所述的用户终端UE,其特征在于,在所述发送节点为基站和UE的情况下,基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正之前,还包括:接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;接收LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;接收LMF发送的请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号;利用所述定位辅助数据对基站发送的下行定位参考信号进行测量,获得第六定位测量值;接收服务基站通过RRC信令发送的上行定位参考信号配置信息;根据RRC信令向所有参与定位的基站发送上行定位参考信号,以供所述所有参与定位的基站根据LMF发送的上行定位参考信号配置信息,测量所述上行定位参考信号,获得第七定位测量值,并通过LMF将所述第七定位测量值发送给所述UE;其中,所有参与定位的基站包括所述服务基站和至少一个相邻基站;所述基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定 位测量值进行校正,具体为:基于所述基站Tx Delay参数信息,对所述第六定位测量值进行校正;基于所述UE Tx Delay参数信息,对所述第七定位测量值进行校正。
- 根据权利要求48所述的用户终端UE,其特征在于,所述UE Tx Delay参数信息或基站Tx Delay参数信息包括发送通道的绝对群时延信息、发送通道的相对群时延信息和发送通道群时延信息的质量标示;其中,所述发送通道的绝对群时延信息为与每个载波频段或具有一定载波带宽的载波频率有关的参数,代表所述载波频段或载波频率的绝对时延;所述发送通道的相对群时延信息为一组与频带或载波频率所覆盖的带宽中的子载波频率相关联的参数;所述发送通道群时延信息的质量标示包括误差参数。
- 一种定位服务器LMF,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:获取基站Tx Delay参数信息和定位参考信号配置信息,将所述定位参考信号配置信息发送给接收节点;将所述基站Tx Delay参数信息发送给用户终端UE,以供所述UE基于自身的UE Tx Delay参数信息和/或所述基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为接收节点根据所述定位参考信号配置信息,对发送节点发送的定位参考信号进行测量获得;其中,所述发送节点为基站时,接收节点为UE;所述发送节点分别为UE和基站时,接收节点分别对应为基站和UE。
- 根据权利要求53所述的定位服务器LMF,其特征在于,所述获取基站Tx Delay参数信息和定位参考信号配置信息,包括:向基站发送请求TRP信息消息,接收基站发送的提供TRP信息消息;其中,针对服务基站,所述请求TRP信息消息用于同时请求所述服务基站提供下行定位参考信号配置信息、上行定位参考信号配置信息以及所述服务基站的TRP信息和基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息用于请求所述相邻基站提供所述相邻基站的TRP信息和基站Tx Delay信息;或者,针对服务基站,所述请求TRP信息消息用于同时请求所述服务基站提供下行定位参考信号配置信息、所述服务基站的TRP信息和基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求用于请求所述相邻基站提供所述相邻基站的TRP信息和基站Tx Delay信息。
- 根据权利要求54所述的定位服务器LMF,其特征在于,还包括:向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;接收UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求LMF提供定位辅助数据;向UE发送提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括所述下行定位参考信号配置信息;向UE发送请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号,以供UE利用所述定位辅助数据对基站发送的下行定位参考信号进行测量。
- 根据权利要求55所述的定位服务器LMF,其特征在于,所述向UE发送请求定位信息消息之后,还包括:向所有参与定位的基站发送请求测量信息消息,所述请求测量信息消息包括所述上行定位参考信号配置信息,用于请求所述所有参考定位的基站测量UE发送的上行定位参考信号,并上报测量到的定位测量值;接收所有参与定位的基站发送的定位测量值,并将所述所有参与定位的基站发送的定位测量值发送给UE。
- 一种基站,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:获取所述基站对应的发送通道时延基站Tx Delay参数信息;为用户终端UE提供定位参考信号配置信息,向所述UE发送所述基站 Tx Delay参数信息,以供所述UE基于所述基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为用户终端UE根据下行定位参考信号配置信息,对所述基站发送的下行定位参考信号进行测量获得,和/或,为所述基站根据上行定位参考信号配置信息,对UE发送的上行定位参考信号进行测量获得。
- 根据权利要求57所述的基站,其特征在于,所述为用户终端UE提供定位参考信号配置信息,包括:生成下行定位参考信号配置信息,并通过定位服务器LMF转发给所述UE,以供所述UE根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量;或者,生成上行定位参考信号配置信息和下行定位参考信号配置信息,并发送给定位服务器LMF,以供所述LMF将所述下行定位参考信号配置信息发送给UE,将所述上行定位参考信号配置信息发送至所有参与定位的基站;其中,基站通过RRC信令为UE配置上行定位参考信号配置信息,以供所述UE根据所述上行定位参考信号配置信息,通过RRC信令向所述基站发送上行定位参考信号。
- 根据权利要求57所述的基站,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述向所述UE发送所述基站Tx Delay参数信息,包括:所述服务基站直接向所述UE发送自身的基站Tx Delay参数信息,或通过LMF转发自身的基站Tx Delay参数信息,所述相邻基站通过所述服务基站或LMF转发自身的基站Tx Delay参数信息。
- 根据权利要求57所述的基站,其特征在于,所述为用户终端UE提供定位参考信号配置信息,向所述UE发送所述基站Tx Delay参数信息,包括:接收LMF发送的请求TRP信息消息,向LMF发送提供TRP信息消息;其中,针对服务基站,所述请求TRP信息消息用于同时请求服务基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和自身的基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求所述 相邻基站提供自身的TRP信息和基站Tx Delay信息;或者,针对服务基站,所述请求TRP信息消息同时请求服务基站提供自身的TRP信息、下行定位参考信号配置信息和自身的基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求所述相邻基站提供自身的TRP信息和基站Tx Delay信息。
- 一种定位服务器LMF,其特征在于,包括:第一传输单元,用于接收发送节点发送的发送通道时延Tx Delay参数信息,向接收节点发送定位参考信号配置信息;第一校正单元,用于基于所述Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为所述接收节点根据所述定位参考信号配置信息,对所述发送节点发送的定位参考信号进行测量获得。
- 根据权利要求61所述的定位服务器LMF,其特征在于,所述发送节点为基站和/或用户终端UE,其中,在所述发送节点为基站的情况下,所述Tx Delay参数信息为基站Tx Delay参数信息,所述接收节点为UE,所述定位参考信号为下行定位参考信号;在所述发送节点为UE的情况下,所述Tx Delay参数信息为UE Tx Delay参数信息,所述接收接点为基站,所述定位参考信号为上行定位参考信号;在所述发送节点分别为基站和UE的情况下,所述Tx Delay参数信息包括基站Tx Delay参数信息和UE Tx Delay参数信息,所述接收节点分别为UE和基站,所述定位参考信号分别为下行定位参考信号和上行定位参考信号。
- 根据权利要求62所述的定位服务器LMF,其特征在于,在所述发送节点为基站的情况下,所述第一传输单元,用于:向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;接收所述TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;向UE发送提供定位辅助数据消息,所述提供定位辅助数据消息包括所 述下行定位参考信号配置信息,以供所述UE根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量,获得第一定位测量值;所述第一校正单元,用于:基于所述基站Tx Delay参数信息,对所述第一定位测量值进行校正。
- 根据权利要求63所述的定位服务器LMF,其特征在于,还包括:第一定位能力请求单元,用于向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;第一定位能力接收单元,用于接收所述UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;第一定位辅助请求接收单元,用于接收所述UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF向所述UE提供定位辅助数据。
- 根据权利要求62所述的定位服务器LMF,其特征在于,在所述发送节点为用户终端UE的情况下,所述第一传输单元,用于:接收UE获取的UE Tx Delay参数信息;向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息和上行定位参考信号配置信息;接收所述TRP信息和上行定位参考信号配置信息;向所述基站发送请求测量信息消息,所述请求测量信息消息包括所述上行定位参考信号配置信息,以供所述基站根据所述上行定位参考信号配置信息,测量UE发送的上行定位参考信号,获得第二定位测量值;所述第一校正单元,用于:基于所述UE Tx Delay参数信息,对所述第二定位测量值进行校正。
- 根据权利要求65所述的定位服务器LMF,其特征在于,还包括:第二定位能力请求单元,用于向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能以及是否有能力提供UE Tx Delay参数信息;第二定位能力接收单元,用于接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;第一发送延迟请求单元,用于向UE发送请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息。
- 根据权利要求62所述的定位服务器LMF,其特征在于,在所述发送节点分别为基站和UE的情况下,所述第一传输单元,用于:接收UE获取的UE Tx Delay参数信息;向基站发送请求TRP信息消息,所述请求TRP信息消息用于请求基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息;接收所述TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息;向所述UE发送提供定位辅助数据消息,所述提供定位辅助数据消息包括所述下行定位参考信号配置信息,以供所述UE根据所述下行定位参考信号配置信息,测量基站发送的下行定位参考信号,获得第三定位测量值;向所述基站发送请求测量信息消息,所述请求测量信息消息包括所述上行定位参考信号配置信息,以供所述基站根据所述上行定位参考信号配置信息,测量UE发送的上行定位参考信号,获得第四定位测量值;所述第一校正单元,用于:基于所述基站Tx Delay参数信息,对所述第三定位测量值进行校正;基于所述UE Tx Delay参数信息,对所述第四定位测量值进行校正。
- 根据权利要求67所述的定位服务器LMF,其特征在于,还包括:第三定位能力请求单元,用于向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;第三定位能力接收单元,用于接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;第二发送延迟请求单元,用于向UE发送请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息;第二定位辅助请求接收单元,用于接收所述UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF向所述UE提供定位 辅助数据。
- 根据权利要求63、65或67所述的定位服务器LMF,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述定位参考信号配置信息由所述服务基站确定。
- 根据权利要求61所述的定位服务器LMF,其特征在于,所述发送通道时延Tx Delay参数信息包括发送通道的绝对群时延信息、发送通道的相对群时延信息和发送通道群时延信息的质量标示;其中,所述发送通道的绝对群时延信息为与每个载波频段或具有一定载波带宽的载波频率有关的参数,代表所述载波频段或载波频率的绝对时延;所述发送通道的相对群时延信息为一组与频带或载波频率所覆盖的带宽中的子载波频率相关联的参数;所述发送通道群时延信息的质量标示包括误差参数。
- 一种用户终端UE,其特征在于,包括:第一获取单元,用于获取所述UE对应的发送通道时延UE Tx Delay参数信息;第一发送单元,用于向定位服务器LMF发送所述UE Tx Delay参数信息,以供所述LMF基于所述UE Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为基站根据上行定位参考信号配置信息,对所述UE发送的上行定位参考信号进行测量获得,和/或,为所述UE根据下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量获得。
- 根据权利要求71所述的用户终端UE,其特征在于,所述第一发送单元用于:接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能以及是否有能力提供UE Tx Delay参数信息;向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能,以及是否有能力提供UE Tx Delay参数信息;接收所述LMF发送的请求UE Tx Delay消息,所述请求UE Tx Delay消息用于请求所述UE提供UE Tx Delay参数信息;向所述LMF发送提供UE Tx Delay消息,所述提供UE Tx Delay消息包括所述UE Tx Delay参数信息。
- 根据权利要求72所述的用户终端UE,其特征在于,还包括:第一上行定位参考信号配置信息接收单元,用于接收基站通过RRC信令发送的上行定位参考信号配置信息;第一上行定位参考信号发送单元,用于向所述基站发送上行定位参考信号,以供所述基站对所述上行定位参考信号进行测量,并将测量获得的定位测量值发送至所述LMF,以供所述LMF基于所述UE Tx Delay参数信息,对所述定位测量值进行校正。
- 根据权利要求72所述的用户终端UE,其特征在于,还包括:定位辅助请求发送单元,用于向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;定位辅助数据接收单元,用于接收所述LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息包括下行定位参考信号配置信息;第一测量与校正单元,用于根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量,获得第三定位测量值,并将所述第三定位测量值发送至所述LMF,以供所述LMF基于基站Tx Delay参数信息,对所述第三定位测量值进行校正;第二上行定位参考信号发送单元,接收基站通过RRC信令发送的上行定位参考信号配置信息,并向所述基站发送上行定位参考信号,以供所述基站对所述上行定位参考信号进行测量,并获得第四定位测量值,并将所述第四定位测量值发送至所述LMF,以供所述LMF基于所述UE Tx Delay参数信息,对所述第四定位测量值进行校正。
- 一种基站,其特征在于,包括:第二获取单元,用于获取所述基站对应的发送通道时延基站Tx Delay参数信息;第二发送单元,用于向定位服务器LMF发送所述基站Tx Delay参数信息,以供所述LMF基于所述基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为用户终端UE根据下行定位参考信号配置信息, 对所述基站发送的下行定位参考信号进行测量获得,和/或,为所述基站根据上行定位参考信号配置信息,对UE发送的上行定位参考信号进行测量获得。
- 根据权利要求75所述的基站,其特征在于,所述第二发送单元用于:接收所述LMF发送的请求TRP信息消息,向所述LMF发送提供TRP信息消息;其中,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息,所述提供TRP信息消息包括所述TRP信息、下行定位参考信号配置信息和基站Tx Delay参数信息;或者,所述请求TRP信息消息用于请求所述基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息,所述提供TRP信息消息包括所述TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和基站Tx Delay参数信息。
- 根据权利要求75所述的基站,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述上行定位参考信号配置信息和/或下行定位参考信号配置信息由所述服务基站确定。
- 一种用户终端UE,其特征在于,包括:第三获取单元,用于获取所述UE对应的发送通道时延UE Tx Delay参数信息;接收单元,用于接收基站或定位服务器LMF发送的基站Tx Delay参数信息;第二校正单元,用于基于所述UE Tx Delay参数信息和/或基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为接收节点根据定位参考信号配置信息,对发送节点发送的定位参考信号进行测量获得。
- 根据权利要78所述的用户终端UE,其特征在于,所述接收单元用于:接收服务基站自身的基站Tx Delay参数信息,以及服务基站转发的相邻基站的基站Tx Delay参数信息;或者,接收服务基站自身的基站Tx Delay参数信息,以及所述LMF转发的相 邻基站的基站Tx Delay参数信息;或者,接收所述LMF转发的服务基站和相邻基站的基站Tx Delay参数信息。
- 根据权利要78所述的用户终端UE,其特征在于,在所述发送节点为基站的情况下,还包括:第一定位能力请求接收单元,用于接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;第一定位能力发送单元,用于向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;第一定位辅助数据请求发送单元,用于向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;第一定位辅助数据接收单元,用于接收LMF发送的提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;第一定位信息请求接收单元,用于接收LMF发送的请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号;第一测量单元,用于利用所述下行定位参考信号配置信息对基站发送的下行定位参考信号进行测量,获得第五定位测量值;所述第二校正单元,用于:基于所述基站Tx Delay参数信息,对所述第五定位测量值进行校正。
- 根据权利要78所述的用户终端UE,其特征在于,在所述发送节点为基站和UE的情况下,还包括:第二定位能力请求接收单元,用于接收所述LMF发送的请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;第二定位能力发送单元,用于向所述LMF发送提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;第二定位辅助数据请求发送单元,向所述LMF发送请求定位辅助数据消息,所述请求定位辅助数据消息用于请求所述LMF提供定位辅助数据;第二定位辅助数据接收单元,用于接收LMF发送的提供定位辅助数据消 息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;第二定位信息请求接收单元,用于接收LMF发送的请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号;第二测量单元,用于利用所述定位辅助数据对基站发送的下行定位参考信号进行测量,获得第六定位测量值;第二上行定位参考信号配置信息接收单元,用于接收服务基站通过RRC信令发送的上行定位参考信号配置信息;第二上行定位参考信号发送单元,用于根据RRC信令向所有参与定位的基站发送上行定位参考信号,以供所述所有参与定位的基站根据LMF发送的上行定位参考信号配置信息,测量所述上行定位参考信号,获得第七定位测量值,并通过LMF将所述第七定位测量值发送给所述UE;其中,所有参与定位的基站包括所述服务基站和至少一个相邻基站;所述所述第二校正单元,用于:基于所述基站Tx Delay参数信息,对所述第六定位测量值进行校正;基于所述UE Tx Delay参数信息,对所述第七定位测量值进行校正。
- 根据权利要78所述的用户终端UE,其特征在于,所述UE Tx Delay参数信息或基站Tx Delay参数信息包括发送通道的绝对群时延信息、发送通道的相对群时延信息和发送通道群时延信息的质量标示;其中,所述发送通道的绝对群时延信息为与每个载波频段或具有一定载波带宽的载波频率有关的参数,代表所述载波频段或载波频率的绝对时延;所述发送通道的相对群时延信息为一组与频带或载波频率所覆盖的带宽中的子载波频率相关联的参数;所述发送通道群时延信息的质量标示包括误差参数。
- 一种定位服务器LMF,其特征在于,包括:第四获取单元,用于获取基站Tx Delay参数信息和定位参考信号配置信息;第三发送单元,用于将所述定位参考信号配置信息发送给接收节点;第四发送单元,用于将所述基站Tx Delay参数信息发送给用户终端UE,以供所述UE基于自身的UE Tx Delay参数信息和/或所述基站Tx Delay参数 信息,对定位测量值进行校正;其中,所述定位测量值为接收节点根据所述定位参考信号配置信息,对发送节点发送的定位参考信号进行测量获得;其中,所述发送节点为基站时,接收节点为UE;所述发送节点分别为UE和基站时,接收节点分别对应为基站和UE。
- 根据权利要求83所述的定位服务器LMF,其特征在于,所述第四获取单元,用于:向基站发送请求TRP信息消息,接收基站发送的提供TRP信息消息;其中,针对服务基站,所述请求TRP信息消息用于同时请求所述服务基站提供下行定位参考信号配置信息、上行定位参考信号配置信息以及所述服务基站的TRP信息和基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息用于请求所述相邻基站提供所述相邻基站的TRP信息和基站Tx Delay信息;或者,针对服务基站,所述请求TRP信息消息用于同时请求所述服务基站提供下行定位参考信号配置信息、所述服务基站的TRP信息和基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求用于请求所述相邻基站提供所述相邻基站的TRP信息和基站Tx Delay信息。
- 根据权利要求83所述的定位服务器LMF,其特征在于,还包括:第四定位能力请求单元,用于向UE发送请求定位能力消息,所述请求定位能力消息用于请求所述UE通知所述LMF所述UE支持的定位功能;第四定位能力接收单元,用于接收UE发送的提供定位能力消息,所述提供定位能力消息用于通知所述LMF所述UE支持的定位功能;第三定位辅助请求接收单元,接收UE发送的请求定位辅助数据消息,所述请求定位辅助数据消息用于请求LMF提供定位辅助数据;定位辅助数据提供单元,用于向UE发送提供定位辅助数据消息,所述提供定位辅助数据消息用于为UE提供定位辅助数据,所述定位辅助数据包括下行定位参考信号配置信息;第一定位请求发送单元,用于发送向UE发送请求定位信息消息,所述请求定位信息消息用于请求UE测量基站发送的下行定位参考信号,以供UE利用所述定位辅助数据对基站发送的下行定位参考信号进行测量。
- 根据权利要求85所述的定位服务器LMF,其特征在于,还包括:第二定位请求发送单元,向所有参与定位的基站发送请求测量信息消息,所述请求测量信息消息包括上行定位参考信号配置信息,用于请求所述所有参考定位的基站测量UE发送的上行定位参考信号,并上报测量到的定位测量值;定位测量值接收单元,用于接收所有参与定位的基站发送的定位测量值,并将所述所有参与定位的基站发送的定位测量值发送给UE。
- 一种基站,其特征在于,包括:第五获取单元,用于获取所述基站对应的发送通道时延基站Tx Delay参数信息;第二传输单元,用于为用户终端UE提供定位参考信号配置信息,向所述UE发送所述基站Tx Delay参数信息,以供所述UE基于所述基站Tx Delay参数信息,对定位测量值进行校正;其中,所述定位测量值为用户终端UE根据下行定位参考信号配置信息,对所述基站发送的下行定位参考信号进行测量获得,和/或,为所述基站根据上行定位参考信号配置信息,对UE发送的上行定位参考信号进行测量获得。
- 根据权利要求87所述的基站,其特征在于,所述第二传输单元,用于:生成下行定位参考信号配置信息,并通过定位服务器LMF转发给所述UE,以供所述UE根据所述下行定位参考信号配置信息,对基站发送的下行定位参考信号进行测量;或者,生成上行定位参考信号配置信息和下行定位参考信号配置信息,并发送给定位服务器LMF,以供所述LMF将所述下行定位参考信号配置信息发送给UE,将所述上行定位参考信号配置信息发送至所有参与定位的基站;其中,基站通过RRC信令为UE配置上行定位参考信号配置信息,以供所述UE根据所述上行定位参考信号配置信息,通过RRC信令向所述基站发送上行定位参考信号。
- 根据权利要求87所述的基站,其特征在于,所述基站包括服务基站和至少一个相邻基站,所述向所述UE发送所述基站Tx Delay参数信息,包 括:所述服务基站直接向所述UE发送自身的基站Tx Delay参数信息,或通过LMF转发自身的基站Tx Delay参数信息,所述相邻基站通过所述服务基站或LMF转发自身的基站Tx Delay参数信息。
- 根据权利要求87所述的基站,其特征在于,所述第二传输单元,用于:接收LMF发送的请求TRP信息消息,向LMF发送提供TRP信息消息;其中,针对服务基站,所述请求TRP信息消息用于同时请求服务基站提供自身的TRP信息、下行定位参考信号配置信息、上行定位参考信号配置信息和自身的基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求所述相邻基站提供自身的TRP信息和基站Tx Delay信息;或者,针对服务基站,所述请求TRP信息消息同时请求服务基站提供自身的TRP信息、下行定位参考信号配置信息和自身的基站Tx Delay信息;针对相邻基站,所述请求TRP信息消息请求所述相邻基站提供自身的TRP信息和基站Tx Delay信息。
- 一种处理器可读存储介质,其特征在于,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行权利要求1至10任一项所述的发送通道时延的校正方法,或者执行权利要求11至14任一项所述的发送通道时延的校正方法,或者执行权利要求15至17任一项所述的发送通道时延的校正方法,或者执行权利要求18至22任一项所述的发送通道时延的校正方法,或者执行权利要求23至26任一项所述的发送通道时延的校正方法,或者执行权利要求27至30任一项所述的发送通道时延的校正方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/019,239 US20230309042A1 (en) | 2020-08-07 | 2021-07-22 | Method and apparatus for correcting transmitting channel delay, and storage medium |
JP2023508042A JP2023537020A (ja) | 2020-08-07 | 2021-07-22 | 送信チャネル遅延の補正方法、装置及び記憶媒体 |
KR1020237006295A KR20230042342A (ko) | 2020-08-07 | 2021-07-22 | 전송 채널 지연의 정정 방법, 장치 및 저장매체 |
EP21852890.9A EP4195796A1 (en) | 2020-08-07 | 2021-07-22 | Method and apparatus for correcting transmitting channel delay, and storage medium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010791119.0A CN114071692B (zh) | 2020-08-07 | 2020-08-07 | 发送通道时延的校正方法、装置及存储介质 |
CN202010791119.0 | 2020-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022028252A1 true WO2022028252A1 (zh) | 2022-02-10 |
Family
ID=80116943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/107775 WO2022028252A1 (zh) | 2020-08-07 | 2021-07-22 | 发送通道时延的校正方法、装置及存储介质 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230309042A1 (zh) |
EP (1) | EP4195796A1 (zh) |
JP (1) | JP2023537020A (zh) |
KR (1) | KR20230042342A (zh) |
CN (1) | CN114071692B (zh) |
WO (1) | WO2022028252A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11304169B2 (en) * | 2018-12-19 | 2022-04-12 | Qualcomm Incorporated | Differential round trip time based positioning |
CN115190416A (zh) * | 2021-04-02 | 2022-10-14 | 华为技术有限公司 | 定位方法及装置 |
KR102503665B1 (ko) * | 2021-10-05 | 2023-02-24 | 주식회사 블랙핀 | 무선 이동 통신 시스템에서 인액티브 상태의 단말이 위치확인을 수행하는 방법 및 장치 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1913703A (zh) * | 2006-07-31 | 2007-02-14 | 华为技术有限公司 | 多扇区小区对rtt测量值进行校正的方法及系统 |
CN101043254A (zh) * | 2006-03-24 | 2007-09-26 | 大唐移动通信设备有限公司 | 一种终端发射上行信号的处理方法 |
US20150382152A1 (en) * | 2014-06-30 | 2015-12-31 | Cambridge Silicon Radio Limited | Method for determining location of wireless devices |
CN110971326A (zh) * | 2018-09-28 | 2020-04-07 | 华为技术有限公司 | 一种时间同步的方法和装置 |
US20200153517A1 (en) * | 2018-11-08 | 2020-05-14 | Qualcomm Incorporated | Group delay calibration for carrier aggregation / multi-radio access technology |
WO2020132080A2 (en) * | 2018-12-19 | 2020-06-25 | Qualcomm Incorporated | Differential round trip time based positioning |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017076927A (ja) * | 2015-10-16 | 2017-04-20 | 富士通株式会社 | 無線制御装置、無線通信システムおよび送信タイミング補正方法 |
WO2018119761A1 (zh) * | 2016-12-28 | 2018-07-05 | 华为技术有限公司 | 确定通道时延的方法、定位方法和相关设备 |
HUP1700379A2 (en) * | 2017-09-11 | 2019-04-29 | Tundralog Tech Kft | Method and system for calibrating transceivers |
CN109587632B (zh) * | 2019-01-04 | 2023-07-21 | 广州中石科技有限公司 | 定位方法及装置 |
-
2020
- 2020-08-07 CN CN202010791119.0A patent/CN114071692B/zh active Active
-
2021
- 2021-07-22 JP JP2023508042A patent/JP2023537020A/ja active Pending
- 2021-07-22 WO PCT/CN2021/107775 patent/WO2022028252A1/zh unknown
- 2021-07-22 EP EP21852890.9A patent/EP4195796A1/en active Pending
- 2021-07-22 KR KR1020237006295A patent/KR20230042342A/ko active Search and Examination
- 2021-07-22 US US18/019,239 patent/US20230309042A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101043254A (zh) * | 2006-03-24 | 2007-09-26 | 大唐移动通信设备有限公司 | 一种终端发射上行信号的处理方法 |
CN1913703A (zh) * | 2006-07-31 | 2007-02-14 | 华为技术有限公司 | 多扇区小区对rtt测量值进行校正的方法及系统 |
US20150382152A1 (en) * | 2014-06-30 | 2015-12-31 | Cambridge Silicon Radio Limited | Method for determining location of wireless devices |
CN110971326A (zh) * | 2018-09-28 | 2020-04-07 | 华为技术有限公司 | 一种时间同步的方法和装置 |
US20200153517A1 (en) * | 2018-11-08 | 2020-05-14 | Qualcomm Incorporated | Group delay calibration for carrier aggregation / multi-radio access technology |
WO2020132080A2 (en) * | 2018-12-19 | 2020-06-25 | Qualcomm Incorporated | Differential round trip time based positioning |
Non-Patent Citations (1)
Title |
---|
CATT: "Draft WID of NR Positioning Enhancements in Rel-17", 3GPP DRAFT; RP-191414 WID NR POS ENHANCEMENT, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. TSG RAN, no. Newport Beach, USA; 20190603 - 20190606, 29 May 2019 (2019-05-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051739827 * |
Also Published As
Publication number | Publication date |
---|---|
US20230309042A1 (en) | 2023-09-28 |
JP2023537020A (ja) | 2023-08-30 |
KR20230042342A (ko) | 2023-03-28 |
EP4195796A1 (en) | 2023-06-14 |
CN114071692B (zh) | 2023-08-01 |
CN114071692A (zh) | 2022-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110971326B (zh) | 一种时间同步的方法和装置 | |
WO2022028252A1 (zh) | 发送通道时延的校正方法、装置及存储介质 | |
WO2020125434A1 (zh) | 一种多站点的定位方法及装置 | |
EP3036948B1 (en) | Positioning in a shared cell | |
WO2020073876A1 (zh) | 一种上行到达时间差定位方法及其装置 | |
WO2014056172A1 (zh) | 定位方法和装置 | |
JP7413527B2 (ja) | クロックオフセットの決定方法および装置 | |
CN113287348A (zh) | 用于电信网络中rtt测量过程的方法和装置 | |
KR20210138084A (ko) | 클록 오프셋의 결정 방법 및 클록 오프셋의 처리 방법, 장치 및 시스템 | |
WO2022001858A1 (zh) | 定位方法及装置 | |
US20230309056A1 (en) | Terminal positioning method and device | |
WO2020164405A1 (zh) | 一种定位方法和通信装置 | |
US20240023056A1 (en) | Positioning method and apparatus | |
WO2022151859A1 (zh) | 一种信息处理方法、装置、终端及网络侧设备 | |
WO2022237423A1 (zh) | 参考设备确定方法及装置、网络侧设备 | |
CN111586833A (zh) | 一种定位方法、装置、终端、基站及管理功能实体 | |
KR20230062637A (ko) | 타이밍 기반의 포지셔닝 기술 | |
TWI784342B (zh) | 時鐘偏差確定方法、計算設備及電腦存儲介質 | |
WO2024088052A1 (zh) | 定位方法、装置、存储介质、芯片系统及计算机程序产品 | |
WO2023011196A1 (zh) | 一种时间误差信息的更新方法以及相关装置 | |
US12004105B2 (en) | Time synchronization method and apparatus | |
WO2023185526A1 (zh) | 通信方法和通信装置 | |
WO2022151897A1 (zh) | 信息指示方法、装置、终端设备、网络设备及存储介质 | |
WO2022141592A1 (zh) | 一种定位方法和装置 | |
WO2022188586A1 (zh) | 基于下行链路dl信道信息的定位方法、设备和装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21852890 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023508042 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20237006295 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021852890 Country of ref document: EP Effective date: 20230307 |