WO2016000120A1 - 一种定位用户设备的方法、设备和系统 - Google Patents
一种定位用户设备的方法、设备和系统 Download PDFInfo
- Publication number
- WO2016000120A1 WO2016000120A1 PCT/CN2014/081131 CN2014081131W WO2016000120A1 WO 2016000120 A1 WO2016000120 A1 WO 2016000120A1 CN 2014081131 W CN2014081131 W CN 2014081131W WO 2016000120 A1 WO2016000120 A1 WO 2016000120A1
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- WIPO (PCT)
- Prior art keywords
- signal
- location
- location card
- card
- reader
- Prior art date
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Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method, device, and system for locating user equipment. Background technique
- a method based on channel fingerprinting for a UE and a method based on measuring a positioning UE.
- the method for locating the UE based on the channel fingerprint needs to scan the channel information of each location in advance, and the workload is huge; and based on the method for measuring the positioning of the UE, since multiple antennas can receive the uplink signal of the UE, the UE and the antenna cannot be accurately identified. The distance caused the UE to be inaccurate.
- Embodiments of the present invention provide a method, device, and system for locating user equipment, which can improve the accuracy of user equipment positioning.
- a first aspect of the present invention provides a method of locating a user equipment, the method being applied to a communication system, the communication system including a location card, a signal transmission point, and a reader, the method comprising: the location card detection An uplink signal sent by the user equipment UE; the location card generates a first signal according to the uplink signal, and sends the first signal to the reader; where the first signal carries The identification information of the location card is used, and the first signal is used to instruct the reader to determine the location of the UE according to the location of the first signal and the location card.
- the generating, by the location card, the first signal according to the uplink signal includes: the location card generating a first pulse signal according to the uplink signal; The card generates the first signal according to the first pulse signal and the identification information of the location card.
- the first signal is a pulse signal, and a pulse amplitude of the first signal and the uplink signal
- the relationship between the signal strengths is a preset proportional relationship.
- the method further includes: the location card receiving an indication signal sent by the reader, the indication The signal is used to instruct the location card to send a second signal; the location card sends the second signal to at least one location card other than the location card.
- the method further includes: the location card receiving a second signal sent by another location card; The location card generates a third signal according to the second signal, and sends the third signal to the reader; wherein the third signal carries the location card and the other location Identification information of the card, and the third signal is used to instruct the reader to determine the location card and the another location card according to an arrival time of the third signal and a sending time of the indication signal The relative distance between them.
- the generating, by the location card, the third signal according to the second signal includes: determining, according to the second signal, the another Identifying information of a location card, and generating the third signal according to the identification information of the another location card and the location card and the second signal; or by identifying information of the location card Carrying in the second signal, generating the third signal, where the second signal carries the identification information of the another location card; wherein the third signal carries the location card and the location The identification information of another location card.
- the second signal is an ultrasonic or electromagnetic wave signal.
- the identifier information includes a radio frequency identifier or a cell identifier.
- a second aspect of the present invention provides a method of locating a user equipment, the method being applied to a communication system, the communication system comprising a location card, a signal transmission point, and a reader, the method comprising: the reader Receiving a first signal sent by the location card, where the first signal is generated by the location card according to an uplink signal sent by the user equipment UE, and the first signal carries the identifier information of the location card The reader determines the location of the UE based on the first signal and the location of the location card.
- the determining, by the reader, the location of the UE according to the location of the first signal and the location card including: the reader Determining, according to a signal strength of the first signal, a first distance between the location card and the UE, and determining a location of the UE according to the first distance and a location of the location card; or The reader acquires a location of the location card according to the first signal, and determines a location of the UE according to a location of the location card and a location of at least one location card other than the location card, where The at least one location card is configured to successfully detect the uplink signal of the UE, and send a signal to the location card of the reader according to the uplink signal; or, the reader is according to the first The signal acquires a location of the location card, and determines a location of the UE according to a motion trajectory of the UE and a location of the location card.
- the method further includes: the reader successfully detecting the uplink signal according to the The uplink signal sends a signal to the number of location cards of the reader, and sends a notification message to the network side device, where the notification message is used to instruct the network side device to adjust the transmit power of the UE; or, the read The device sends the signal sent by the location signal of the uplink signal to the network side device according to the signal sent by the uplink signal, so that the network side device adjusts the transmit power of the UE according to the signal sent by the reader.
- the method before the reader receives the first signal sent by the location card, the method further The method includes: the reader acquiring a location of the location card.
- the acquiring, by the reader, the location of the location card includes: the reader sending an indication signal, the indication signal Instructing another location card to send a second signal; the reader receiving a third signal sent by the location card, where the third signal carries identification information of the location card and the another location card, The third signal is generated by the location card according to the second signal sent by the another location card; the reader is based on an arrival time of the third signal and a sending time of the indication signal Determining a relative distance between the location card and the other location card; the reader is in accordance with the other location card and any location other than the location card and the other location card The actual distance between the cards determines the location of the location card.
- the method further includes: the reader sending location information of the UE to a network side device.
- a third aspect of the present invention provides a method for locating a user equipment, where the method includes: receiving, by a network side device, an uplink signal sent by a user equipment UE; and determining, by the network side device, channel information of the UE according to the uplink signal.
- the channel information includes reference signal received power RSRP or channel state information CSI; the network side device determines the location of the UE according to the channel information of the UE and the corresponding relationship between the preset channel information and the location information.
- the network side device determines, according to the channel information of the UE, the relationship between the preset channel information and the location information, that the location of the UE includes: The network side device receives the location information of the UE sent by the reader, where the location information is determined by the first signal sent by the reader according to the location card, and the first signal is determined by the location card And generating, by the network side device, the UE, according to the location information, the channel information of the UE, and the relationship between the preset channel information and the location information, determining the UE. s position.
- a fourth aspect of the present invention provides a device for locating a user equipment, where the device is a location card, the location card is applied to a communication system, and the communication system further includes a signal transmission point and a reader, where the location
- the card includes: a detecting unit, configured to detect an uplink signal sent by the user equipment UE; a first signal generating unit, configured to generate a first signal according to the uplink signal detected by the detecting unit, and send the first signal to the The first signal carries the identification information of the location card, and the first signal is used to instruct the reader to determine the location according to the first signal and the location card.
- the location of the UE includes: a detecting unit, configured to detect an uplink signal sent by the user equipment UE; a first signal generating unit, configured to generate a first signal according to the uplink signal detected by the detecting unit, and send the first signal to the The first signal carries the identification information of the location card, and the first signal is used to instruct the reader to determine the location according to the first
- the first signal generating unit includes a pulse generating unit and a label unit, where the pulse generating unit is configured to detect an uplink according to the detecting unit The signal generates a first pulse signal; the label unit is configured to generate the first signal according to the first pulse signal generated by the pulse generating unit and the identification information of the location card.
- the first signal is a pulse signal
- a pulse amplitude of the first signal and the uplink signal The relationship between the signal strengths is a preset proportional relationship.
- the location card further includes: a first signal receiving unit, configured to receive the sending by the reader An indication signal, the indication signal is used to instruct the location card to send a second signal, and a second signal generation unit is configured to generate the second signal, and send the second signal to the location card At least one location card.
- the method further includes: a second signal receiving unit, configured to receive another location card sending a second signal generating unit, configured to generate a third signal according to the second signal received by the second signal receiving unit, and send the third signal to the reader;
- the third signal carries the identification information of the location card and the another location card, and the third signal is used to indicate the arrival time of the reader according to the third signal and the sending time of the indication signal , OK The relative distance between the location card and the other location card.
- the third signal generating unit is configured to: determine, according to the second signal, identifier information of the another location card And generating the third signal according to the identification information of the another location card and the location card and the second signal; or by carrying the identification information of the location card in the second Generating the third signal, where the second signal carries the identification information of the another location card; wherein the third signal carries the location card and the another location card Identification information.
- the second signal is an ultrasonic or electromagnetic wave signal.
- the identifier information includes a radio frequency identifier or a cell identifier.
- a fifth aspect of the present invention provides a device for locating a user equipment, where the device is a reader, the reader is applied to a communication system, and the communication system further includes a location card and a signal transmission point, where
- the reader includes: a signal receiving unit, configured to receive a first signal sent by the location card, where the first signal is generated by the location card according to an uplink signal sent by the user equipment UE, and the The signal carries the identification information of the location card; the UE positioning unit is configured to determine the location of the UE according to the first signal received by the signal receiving unit and the location of the location card.
- the UE positioning unit is specifically configured to: determine, according to a signal strength of the first signal, a first between the location card and the UE a distance, and determining a location of the UE according to the first distance and a location of the location card; or acquiring a location of the location card according to the first signal, and according to the location of the location card
- the location of the at least one location card other than the location card determines the location of the UE, where the at least one location card is the uplink signal that successfully detects the UE, and sends a signal according to the uplink signal.
- the second implementation aspect of the fifth aspect further includes: a first sending unit, configured to send a notification message to the network side device according to the number of the location cards that successfully detect the uplink signal and send a signal to the reader according to the uplink signal,
- the notification message is used to indicate that the network side device adjusts the transmit power of the UE; or, the location card that successfully detects the uplink signal is sent to the network side device according to the signal sent by the uplink signal, so that the network The side device adjusts the transmit power of the UE according to the signal sent by the reader.
- the method further includes: a location card positioning unit, configured to acquire a location of the location card.
- the location card positioning unit is specifically configured to: send an indication signal, where the indication signal is used to indicate another location card sending Receiving a third signal sent by the location card, where the third signal carries identification information of the location card and the another location card, and the third signal is determined by the location card according to the location And generating, by the second signal sent by the other location card, determining a relative distance between the location card and the another location card according to an arrival time of the third signal and a sending time of the indication signal; The location of the location card is determined based on an actual distance between the other location card and any location card other than the location card and the other location card.
- the reader further includes: a second sending unit, configured to determine the UE positioning unit The location information of the UE is sent to the network side device.
- a sixth aspect of the present invention provides a device for locating a user equipment, where the device is a network side device, and the network side device includes: a receiving unit, configured to receive an uplink signal sent by the user equipment UE, and a channel information acquiring unit, And determining, according to the uplink signal received by the receiving unit, channel information of the UE, where the channel information includes reference signal received power RSRP or channel state information CSI; and a UE positioning unit, configured to use channel information according to the UE Acquiring the channel information acquired by the unit and the corresponding relationship between the preset channel information and the location information, and determining the location of the UE.
- the device is a network side device
- the network side device includes: a receiving unit, configured to receive an uplink signal sent by the user equipment UE, and a channel information acquiring unit, And determining, according to the uplink signal received by the receiving unit, channel information of the UE, where the channel information includes reference signal received power RSRP or channel state information CSI; and a
- the UE positioning unit is specifically configured to: receive location information of the UE that is sent by a reader, where the location information is used by the reader According to Determining, by the first signal sent by the location card, the first signal is generated by the location card according to the uplink signal sent by the UE; according to the location information, channel information of the UE and a preset The relationship between the channel information and the location information determines the location of the UE.
- a seventh aspect of the present invention provides a communication system, including: a user equipment UE, a first location card, a reader, and a signal transmission point; and the first location card, configured to receive an uplink signal sent by the UE, Generating a first signal according to the uplink signal, and sending the first signal to the reader, where the first signal carries identification information of the first location card, and the first signal is used for Instructing the reader to determine a location of the UE according to the first signal and a location of the first location card; the reader, configured to receive the first signal sent by the first location card And determining a location of the UE according to the first signal and a location of the first location card.
- the network side device is further configured to: receive an uplink signal sent by the UE, and determine the UE according to the uplink signal.
- the channel information and determining the location of the UE according to the channel information of the UE and the corresponding relationship between the channel information and the location information, where the channel information includes reference signal received power RSRP or channel state information CSI; or Receiving location information of the UE sent by the reader, and determining a location of the UE according to the location information, the channel information, and a relationship between preset channel information and location information.
- the second implementation manner of the seventh aspect further includes: a second location card; the reader is further configured to send an indication signal, where The indication signal is used to indicate that the location card sends a signal; the first location card is further configured to receive an indication signal sent by the reader, and send a second signal to the second location card; And receiving the second signal sent by the first location card, and generating a third signal according to the second signal, and sending the third signal to the reader; the reader And receiving a third signal sent by the second location card, determining, between the first location card and the second location card, according to an arrival time of the third signal and a sending time of the indication signal. a relative distance, determining a bit of the first location card according to an actual distance between the first location card and any location card other than the second location card Set.
- the uplink signal sent by the UE is detected by the location card, and the first signal carrying the location card identifier is generated according to the uplink signal, and the first signal is sent to the reader to enable reading.
- the device determines the location of the UE according to the location card identifier information carried by the first signal and the location of the location card, which not only greatly simplifies the method for locating the user equipment in the prior art, but also more accurately identifies the location of the UE.
- FIG. 1 is a flowchart of a method for locating a user equipment according to an embodiment of the present invention
- FIG. 2 is a flowchart of another method for locating user equipment according to an embodiment of the present invention
- FIG. 3 is a flowchart of still another method for locating user equipment according to an embodiment of the present invention
- FIG. 5 is a structural block diagram of a location card according to an embodiment of the present invention
- FIG. 5 is a structural block diagram of another location card according to an embodiment of the present invention.
- FIG. 5b is a structural block diagram of still another location card according to an embodiment of the present invention.
- FIG. 6 is a structural block diagram of a reader according to an embodiment of the present invention.
- 6a is a structural block diagram of another reader according to an embodiment of the present invention.
- 6b is a structural block diagram of still another reader according to an embodiment of the present invention.
- FIG. 7 is a structural block diagram of a network side device according to an embodiment of the present disclosure.
- FIG. 8 is a schematic diagram of a communication system according to an embodiment of the present invention.
- FIG. 9 is a block diagram showing a hardware structure of a location card according to an embodiment of the present invention.
- FIG. 10 is a block diagram showing a hardware structure of a reader according to an embodiment of the present invention
- FIG. 11 is a block diagram showing the hardware structure of a network side device according to an embodiment of the present invention. detailed description
- the signal transmission point may be an active transmission point, for example, an access point (AP), an indoor small base station, etc.; the signal transmission point may also be a passive transmission point, for example, distributed.
- the ceiling antenna in the distributed antenna system (DAS) is not limited in the present invention.
- the location card may be a card, a module or a device for communicating with a reader, and may be built in or external to a signal transmission point, for example, arranged in a signal range of a signal transmission point. It is also possible to arrange a position card within the signal range of a signal transmission point. In addition, the number of location card arrangements is related to the positioning accuracy of the UE.
- the reader can be a card, a module or a device for communicating with the location card and the network side device, and can be built in or external to the network side device. In addition, one reader can communicate with one or more network side devices. .
- the network side device may specifically be a station or an access controller (AC) or a base station controller, which is not limited in the present invention.
- a method for locating a user equipment is provided in the embodiment of the present invention.
- the method is specifically applied to a communication system, where the communication system includes a location card, a signal transmission point, and a reader, and the method includes:
- the location card detects an uplink signal sent by the UE.
- the location card generates a first signal according to the uplink signal, and sends the first signal to the reader.
- the first signal carries identification information of the location card, and the first signal is used for The reader is instructed to determine a location of the UE based on the first signal and a location of the location card.
- the identifier information may include a radio frequency identification (RFID) or a cell identification (cell ID).
- the location of the location card can be determined by field test and preset in the reader; it can also be exchanged between the reader and the location card and between the location card and the location card. Obtained, there is no limit here.
- the first signal may be a pulse signal or a non-pulse signal capable of reflecting the uplink signal strength of the UE, or may be a pulse or non-pulse signal with a fixed signal amplitude, which is not limited herein.
- the first signal may be a pulse signal whose pulse amplitude is in a predetermined proportional relationship with the signal strength of the uplink signal, or may be a pulse signal whose pulse amplitude is a preset amplitude.
- the first signal may be directly generated according to the uplink signal detected by the location card.
- the first signal is generated by carrying the information of the location card in the detected uplink signal.
- step 102 may include steps 102a and 102b, as follows:
- the location card generates a first pulse signal according to the uplink signal.
- the relationship between the pulse amplitude of the first pulse signal and the signal strength of the uplink signal sent by the UE may be a preset proportional relationship, that is, the pulse amplitude of the first pulse signal may be related to the signal strength of the uplink signal. Change and change. For example, when the signal strength of the up signal increases, the pulse amplitude of the first pulse signal increases, and when the signal strength of the up signal decreases, the pulse amplitude of the first pulse signal decreases.
- the pulse amplitude of the first pulse signal may also be a preset amplitude, and the preset amplitude may be configured by an external input device.
- the location card generates the first signal according to the first pulse signal and the identification information of the location card.
- the first signal may be a pulse signal whose pulse amplitude is proportional to the signal strength of the uplink signal, or may be a pulse signal whose pulse amplitude is a preset amplitude.
- the detector in the location card detects the uplink signal sent by the UE, and controls the pulse generator to generate a first pulse signal by using the detection result of the detector, wherein the pulse energy of the first pulse signal It may be the same or different; then, the first pulse signal is sent to the reader through the barrier provided in the SAW tag.
- the signal sent by the SAW tag to the reader carries the RF ID of the location card.
- the reader detects the signal sent by the location card, and determines which of the location cards are closer to the UE according to the detected location card signal to determine the location of the UE.
- the location of the UE may be determined by calculating the distance between the UE and the location card or the trajectory of the UE.
- the method for locating a user equipment detects an uplink signal sent by the UE by using a location card, and generates a first signal carrying the location card identifier according to the uplink signal, and sends the first signal to the reader. Therefore, the reader determines the location of the UE according to the first signal and the location of the location card, which not only greatly simplifies the method for locating the user equipment in the prior art, but also can more accurately identify the location of the UE.
- the method further includes:
- the location card receives an indication signal sent by the reader, and the indication signal is used to indicate that the location card sends a second signal.
- the second signal may be an ultrasonic or electromagnetic wave signal; in addition, the second signal may be uniquely identified by frequency or identification.
- the location card sends the second signal to at least one location card other than the location card.
- the steps 100a and 100b and the steps 101 and 102 can be performed in any order, and no limitation is imposed here.
- the second signal may carry the first identifier of the location card, where the first identifier may be the identifier information of the location card, or may be another identifier for identifying the location card, which is not limited herein. .
- the location card sends the second signal to the other location card, so that the other location card processes the second signal and sends it to the reader, so that the reader can determine each location according to the signal.
- the distance between the cards not only avoids the complexity of manually determining the distance between the location cards, but also improves the positional positioning accuracy of the location cards.
- the method further includes:
- the location card receives a second signal sent by another location card.
- the second signal may be an ultrasonic or electromagnetic wave signal; the second signal may carry the first identifier of the another location card, and the first identifier may be the identifier information of the another location card, or It is an identifier other than the identification information and capable of uniquely identifying the other location card, and is not limited herein.
- the location card generates a third signal according to the second signal, and sends the third signal to the reader.
- the third signal carries the identification information of the location card and the another location card, and the third signal is used to indicate that the reader is based on the arrival time of the third signal and the The transmission time of the indication signal determines the relative distance between the location card and the other location card.
- the reader determines the relative distance between the location card and the other location card according to the arrival time of the third signal and the transmission time of the indication signal, which may be exemplified as follows.
- the length of the signal transmission between the two is obtained by the signal interaction between the reader and the location card; then, the signals sent by the other location card are obtained through the location card through steps 100c and 100d.
- the length of the transmission time to the reader; the difference between the two can be used to know the length of time that the signal is transmitted between the location card and the other location card, thereby obtaining a relatively large separation between the two location cards.
- the location card in step 100d generates a third signal according to the second signal, which may include:
- the second signal carries the identification information of the another location card.
- the third signal carries identification information of the location card and the another location card.
- the second signal may carry the first identifier of the another location card, and the location card determines the identifier information of the another location card according to the first identifier and the pre-stored location card identifier information, and according to The other location card and the identification information of the location card and the second signal generate the third signal.
- the location card receives a second signal sent by another location card, and the location card processes the received second signal and sends the second signal to the reader, so that the reader determines the location card according to the second signal. the distance between.
- the communication system includes a location card, a signal transmission point, and a reader, and the method is specifically as follows. Said.
- the reader receives the first signal sent by the location card, where the first signal is generated by the location card according to an uplink signal sent by the UE, and the first signal carries the identifier of the location card. information.
- the reader determines a location of the UE according to the first signal and a location of the location card.
- a location of the location card refer to the related description in step 102, and details are not described herein.
- step 202 can adopt the following three implementation manners:
- the reader determines a first distance between the location card and the UE according to a signal strength of the first signal, and determines, according to the first distance and a location of the location card, The location of the UE.
- the reader acquires the location of the location card according to the first signal, and determines the UE according to the location of the location card and the location of at least one location card other than the location card. a location, where the at least one location card is the uplink signal that successfully detects the UE, and sends a signal to the location card of the reader according to the uplink signal.
- the mode 1 and the mode 2 are applicable to the case where only the UE sends an uplink signal in the coverage of the base station or the serving cell corresponding to the UE in the preset time period, for example, one base station corresponds to one reader.
- the preset time period only one UE in the signal coverage area of the base station sends an uplink signal, and the reader receives the signal sent by the location card according to the uplink signal, and at this time, the signal sent by the reader through the location card and The location of the location card determines the location of the UE.
- the scheduling information of the base station may be used to determine whether there is only one uplink signal sent by the UE, and details are not described herein again.
- the prior art for example, the center of gravity method
- Manner 3 The reader acquires a location of the location card according to the first signal, and determines a location of the UE according to a movement trajectory of the UE and a location of the location card.
- the mobile trajectory of the UE may include a moving direction, a moving speed, and the like of the UE, and is not limited.
- the third mode may be used when a plurality of UEs send uplink signals in the coverage of the base station or the serving cell.
- the location of the UE may be obtained as the initial location of the UE by using the mode 1 or the second mode in the foregoing step 202, and the location of the UE is estimated according to the mobile trajectory of the UE and the initial location.
- the method for locating a user equipment provided by the embodiment of the present invention, the first signal carrying the location card identifier sent by the location card is received by the reader, and the UE is determined according to the first signal and the location of the location card.
- the location not only greatly simplifies the method of locating user equipment in the prior art, but also more accurately identifies the location of the UE.
- the method before the reader receives the first signal sent by the location card, the method further includes:
- the reader acquires a location of the location card.
- step 200 may include:
- the reader sends an indication signal to the location card, the indication signal is used to indicate another bit Sending a card to send a second signal;
- the reader receives a third signal sent by the location card, the third signal carries identification information of the location card and the another location card, and the third signal is determined by the location card according to the location card Generating the second signal sent by the other location card;
- the reader determines the location of the location card based on the actual distance between the other location card and any location card other than the location card and the other location card.
- the foregoing indication signal may be sent by the base station to notify the reader to send the message, or may be triggered by the reader or the signal transmission point detecting the uplink signal of the UE, no longer, for example.
- the actual distance may be referred to as a physical distance, and the actual distance between any of the position cards other than the other position card may be obtained by field measurement, or may be by two positions other than the position card mentioned above. The actual distance between the cards is obtained without restriction.
- the distance between the location cards is determined by the signal transmission delay between the location cards, and the actual distance between any two location cards is known only through actual measurement or other prior art.
- the position of the card can be obtained by the above method, which not only avoids the complexity of manually determining the distance between the multiple location cards, but also improves the accuracy of the location card positioning, thereby improving the accuracy of the UE positioning.
- the method further includes:
- the reader sends location information of the UE to a network side device.
- the location information of the UE may be used by the network side device to associate location information of the UE with channel information occupied by the UE, or may be used by the network side device to send by using the reader.
- the location information is corrected for the UE location obtained by the network side device, and is not limited herein.
- the channel information may include reference signal received power (RSRP) or channel state information (CSI).
- RSRP reference signal received power
- CSI channel state information
- the network side device may be a base station or an access controller or a base station controller, and is not limited herein. System.
- the reader sends the location information of the UE to the network side device, so that the network side device can associate and save the channel information with the location information, so that the subsequently accessed UE can directly pass the subsequent connection.
- the channel information of the occupied UE occupies the channel and the relationship between the saved channel information and the location information to determine the location of the subsequently accessed UE.
- the method further includes:
- the reader sends a notification message to the network side device according to the number of the location cards that the uplink signal is successfully detected and sent to the reader according to the uplink signal, where the notification message is used to indicate the location
- the network side device adjusts the transmit power of the UE; or
- the reader sends a signal sent by the location card of the uplink signal to the network side device, so that the network side device adjusts the transmit power of the UE according to the signal sent by the reader.
- the network side device may be sent to notify the network side device to increase the transmit power of the UE, so that more location cards detect the uplink of the UE.
- the signal is used to improve the accuracy of the location of the UE.
- the network side device may be sent to notify the network side device to reduce the UE's transmit power to reduce the detection.
- the number of location cards to the uplink signal of the UE avoids the problem of excessive interference caused by excessive location card transmission signals.
- the reader can directly send the signal to the network side device, and the network side device determines whether it is necessary to adjust the UE transmit power and how to adjust.
- the communication system includes a location card, a signal transmission point, and a reader.
- the position card includes at least a first location card, a second location card, and a third location card, and the actual distance between the first location card and the third location card is known as an example, as described below.
- the reader sends an indication signal, where the indication signal is used to indicate that the location card sends a signal.
- the signal may be an ultrasonic wave or an electromagnetic wave signal, and the signal may pass a frequency or Identification uniquely identified.
- the location card described above may be all location cards within the coverage of the reader signal.
- the first location card receives the indication signal sent by the reader, and sends a second signal to the second location card.
- the second location card generates a third signal according to the second signal sent by the first location card, and sends the third signal to the reader.
- the third signal carries the identification information of the first location card and the second location card, and the third signal is used to indicate that the reader is based on the arrival time of the third signal and And a sending time of the indication signal, determining a relative distance between the first location card and the second location card.
- step 303 can include:
- the third signal is generated by carrying the identifier information of the second location card in the second signal, where the second signal carries the identifier information of the first location card.
- the third signal carries identification information of the first location card and the second location card.
- the second signal carries the identification information of the first location card, and the identifier information of the second location card is carried in the second signal to generate the third signal.
- the second location card identifies the first location card by the frequency of the second signal, and carries the identification information of the first location card and the second location card in the second signal to generate a third signal.
- step 100d For determining the relative distance between the first location card and the second location card according to the arrival time of the third signal and the sending time of the indication signal, refer to the related description in step 100d. .
- the reader receives a third signal sent by the second location card.
- the reader determines a relative distance between the first location card and the second location card according to an arrival time of the third signal and a sending time of the indication signal.
- step 305 for related description in step 100d.
- the reader determines a location of the second location card according to an actual distance between the first location card and a third location card.
- the actual distance between the first location card and the third location card can be obtained by actual measurement, and is preset in the reader.
- the manner of obtaining the actual distance is not limited.
- the location of the second location card can be determined based on a topology map of the location card and an actual distance between the first location card and the third location card.
- the second location card detects an uplink signal sent by the UE.
- the second location card generates a first signal according to the uplink signal, and sends the first signal to the reader.
- the first signal carries the identifier information of the second location card, where the identifier information includes an RF ID or a Cell ID.
- step 308 For the specific implementation of the step 308, refer to the related description in step 102, and details are not described herein.
- the reader receives a first signal sent by the second location card.
- the reader determines a location of the UE according to the location of the first signal and the second location card.
- step 301 For the specific implementation of step 301, refer to the related description in step 202.
- the method for locating a user equipment determines the location of the location card by sending a signal between the location cards, thereby reducing the complexity of determining the position of the location card; the uplink signal sent by the UE triggers the location card to send the signal at the determined location.
- the reader is caused to cause the reader to locate the UE according to the received signal and the location of the location card of the determined location, which reduces the complexity of UE positioning.
- another method for locating a user equipment according to an embodiment of the present invention is performed by a network side device, as described below.
- the network side device receives an uplink signal sent by the UE.
- the network side device determines channel information of the UE according to the uplink signal.
- the channel information may include RSRP or CSI. 403.
- the network side device determines the location of the UE according to the channel information of the UE and the corresponding relationship between the preset channel information and the location information.
- the base station After obtaining the channel information of the UE, the base station searches for corresponding location information according to the corresponding relationship between the preset channel information and the location information, and the corresponding location information can be used as the location information of the UE.
- step 403 may specifically include steps 403a and 403b.
- the network side device receives location information of the UE sent by a reader.
- the location information may be determined by the first signal sent by the reader according to the location card, that is, obtained by using the method shown in FIG. 3; the first signal is determined by the location card.
- the generation of the uplink signal sent by the UE is not described here.
- the network side device determines the location of the UE according to the location information sent by the reader, the channel information of the UE, and the relationship between the preset channel information and the location information.
- the location information of the UE is obtained by searching the correspondence table between the preset channel information and the location information according to the channel information of the UE, and then correcting the location information of the UE obtained by the search according to the location information sent by the reader.
- the correction method may specifically be an averaging method and belongs to the prior art.
- the correspondence between the preset channel information and the location information in step 403 can be obtained by associating and saving the UE location information reported by the reader with the channel information.
- the network side device determines the channel information of the UE according to the uplink signal of the UE, and determines the information according to the channel information of the UE and the corresponding relationship between the preset channel information and the location information.
- the location of the UE the method further simplifies the prior art method of locating the UE.
- the following Figure 5-7 embodiment, and the embodiment of Figure 9-11, respectively, take a location card, a reader or a network side device as an example, and describes a device for locating a user equipment.
- a location card 500 is provided in an embodiment of the present invention.
- the location card 500 is used in a communication system.
- the communication system further includes a signal transmission point and a reader.
- the location card 500 includes: a detection unit 501.
- the detecting unit 501 is configured to detect an uplink signal sent by the UE.
- the first signal generating unit 502 is configured to generate a first signal according to the uplink signal detected by the detecting unit 501, and send the first signal to the reader.
- the first signal carries the identification information of the location card 500, and the first signal is used to indicate that the reader determines the location of the UE according to the location of the first signal and the location card 500.
- the first signal For a detailed description of the first signal, refer to the related description in the embodiment shown in FIG. 1, and details are not described herein again.
- the detecting unit 501 may specifically be a detector.
- the first signal generating unit 502 may include a pulse generating unit 5021 and a tag unit 5022, as described below.
- the pulse generating unit 5021 is configured to generate a first pulse signal according to the uplink signal detected by the detecting unit 501.
- the tag unit 5022 is configured to generate the first signal according to the first pulse signal generated by the pulse generating unit 5021 and the identification information of the location card.
- the relationship between the pulse amplitude of the first pulse signal and the signal strength of the uplink signal may be a preset proportional relationship; the first signal may be a pulse signal, and a pulse amplitude of the first signal The relationship with the signal strength of the uplink signal may also be a preset proportional relationship.
- the location card 500 further includes a first signal receiving unit 503 and a second signal generating unit 504.
- the first signal receiving unit 503 is configured to receive an indication signal sent by the reader, where the indication signal is used to instruct the location card to send the second signal.
- a second signal generating unit 504 configured to generate the second signal, and send the second signal to At least one location card other than the location card.
- the location card 500 further includes:
- a second signal receiving unit 505 configured to receive a second signal sent by another location card
- a third signal generating unit 506 configured to generate a third signal according to the second signal, and send the third signal to The reader.
- the third signal carries the identification information of the location card and the another location card, and the third signal is used to indicate that the reader is based on the arrival time of the third signal and the The transmission time of the indication signal determines the relative distance between the location card and the other location card.
- the determining, by the reader, the relative distance between the location card and the another location card according to the arrival time of the third signal and the sending time of the indication signal, refer to the related description in step 100d. .
- the third signal generating unit 506 can be specifically configured to:
- the third signal carries the identification information of the location card and the other location card. For details, refer to step 303.
- step 100d For determining the relative distance between the location card and the other location card according to the arrival time of the third signal and the sending time of the indication signal, refer to the related description in step 100d.
- the second signal may be an ultrasonic wave or an electromagnetic wave signal.
- the identifier information may include a radio frequency identifier or a cell identifier.
- the location card 500 may be used to perform the method of the embodiment shown in FIG. 1, or the steps performed by the first and second location cards in the embodiment shown in FIG. 3, where the implementation shown in FIG. 1 or FIG. The related description of each step in the example is also applicable to the embodiment, and will not be described again.
- the location card provided by the embodiment of the present invention detects the uplink signal sent by the UE, and generates a first signal carrying the location card identifier according to the uplink signal, and sends the first signal to the reader to enable reading.
- the device determines the location of the UE according to the first signal and the location of the location card, which not only greatly simplifies the prior art method for locating the user equipment, but also more accurately identifies the location of the UE.
- the reader 600 is provided in the present embodiment.
- the reader 600 is applied to a communication system.
- the communication system further includes a location card and a signal transmission point.
- the reader 600 includes: a signal receiving unit. 601 and UE positioning unit 602.
- the signal receiving unit 601 is configured to receive the first signal sent by the location card, where the first signal is generated by the location card according to an uplink signal sent by the UE, and the first signal carries the Identification information of the location card.
- the UE positioning unit 602 is configured to determine the location of the UE according to the first signal received by the signal receiving unit 601 and the location of the location card.
- the signal receiving unit 601 may specifically be a pulse detector.
- the UE positioning unit 602 can be specifically configured to:
- the reader 600 further includes:
- the location card locating unit 603 is configured to acquire a location of the location card.
- the location card positioning unit 603 can be specifically configured to: Sending an indication signal, the indication signal is used to instruct another location card to send the second signal; receiving a third signal sent by the location card, the third signal carrying the location card and the another location card Identification information, the third signal is generated by the location card according to the second signal sent by the another location card;
- the location of the location card is determined based on the actual distance between the other location card and any location card other than the location card and the other location card.
- the determining the relative distance between the location card and the other location card according to the arrival time of the third signal and the transmission time of the indication signal can be referred to the related description in step 100d.
- the reader 600 further includes:
- the first sending unit 604 is configured to send a notification message to the network side device according to the number of the location cards that successfully detect the uplink signal and send the signal to the reader according to the uplink signal, where the notification message is used by the first sending unit 604. Instructing the network side device to adjust the transmit power of the UE; or sending a signal sent by the location card that successfully detects the uplink signal to the network side device, so that the network side device sends according to the reader The signal adjusts the transmit power of the UE.
- the reader 600 further includes:
- the second sending unit 605 is configured to send the location information of the UE determined by the UE positioning unit 601 to the network side device.
- the reader 600 can be used to perform the method in the embodiment shown in Fig. 2, wherein the relevant description of the steps in the embodiment shown in Fig. 2 is equally applicable to the embodiment.
- a network side device 700 provided by this embodiment includes: a receiving unit 701, a channel information determining unit 702, and a UE positioning unit 703.
- the receiving unit 701 is configured to receive an uplink signal sent by the UE.
- the channel information acquiring unit 702 is configured to acquire channel information of the UE according to the uplink signal received by the receiving unit 701.
- the channel information may include RSRP or CSI.
- the UE locating unit 703 is configured to determine the location of the UE according to the channel information of the UE acquired by the channel information acquiring unit 702 and the corresponding relationship between the preset channel information and the location information.
- the UE positioning unit 703 may be specifically configured to:
- the location information is determined by the first signal sent by the reader according to the location card, and the first signal is determined by the location card according to the UE Generated by the uplink signal sent;
- network side device 700 can be used to perform the method in the embodiment shown in FIG. 4, wherein the related description of each step in the embodiment shown in FIG. 4 is also applicable to the embodiment.
- the network side device determines the channel information of the UE according to the uplink signal of the UE, and determines the location of the UE according to the channel information of the UE and the corresponding relationship between the preset channel information and the location information.
- the method further simplifies the method of locating the UE in the prior art.
- a communication system 800 provided by this embodiment includes: a UE 801, a first location card 802, a reader 803, and a first signal transmission point 804.
- the first location card 802 is configured to receive an uplink signal sent by the UE 801, generate a first signal according to the uplink signal, and send the first signal to the reader 803.
- the first signal carries the identification information of the first location card 802, and the first signal is used to instruct the reader 803 to determine the location of the UE according to the first signal and the location of the first location card.
- the reader 803 is configured to receive a first signal sent by the first location card 802, and determine a location of the UE according to the first signal and a location of the first location card.
- the location card and the signal transmission point in the communication system 800 may be corresponding or non-corresponding.
- the first location card 802 corresponds to the first signal transmission point 804, and the first location card 802. It may be built in or external to the first signal transmission point 804.
- the communication system 800 further includes:
- the network side device 805 is configured to receive an uplink signal sent by the UE 801, determine channel information of the UE 801 according to the uplink signal, and determine a location of the UE 801 according to the channel information of the UE 801 and the corresponding relationship between the channel information and the location information. .
- the channel information may include RSRP or CSI.
- the location information of the UE 801 is corrected according to the location information sent by the reader 803.
- the correction method may specifically be an averaging method.
- the correspondence between the preset channel information and the location information can be obtained by associating and saving the UE location information reported by the reader with the channel information.
- network side device 805 can also be used to:
- the communication system 800 further includes: a second location card 806, as described below.
- the reader 803 is further configured to send an indication signal, the indication signal is used to indicate that the location card sends a signal.
- the location card may include all location cards within the coverage of the reader signal.
- the first location card 802 is further configured to receive the indication signal sent by the reader 803 and send the second signal to the second location card 806.
- the second location card 806 is configured to receive a second signal sent by the first location card 802, generate a third signal according to the second signal, and send the third signal to the reader 803.
- the third signal carries the identification information of the first location card 802 and the second location card 806, and the third signal is used to indicate the arrival time of the reader 803 according to the third signal and the indication.
- the transmission time of the signal determines the relative distance between the first location card 802 and the second location card 806.
- the reader 803 is further configured to receive a third signal sent by the second location card 806.
- the first location card 802 and the second location card 806 are determined according to an arrival time of the third signal and a sending time of the indication signal.
- the relative distance between the two; the position of the first location card 802 is determined based on the actual distance between the first location card 802 and any location card other than the second location card 806.
- the reader 803 determines, according to the arrival time of the third signal and the sending time of the indication signal, the relative distance between the first location card 802 and the second location card 806. See the correlation in step 100d. description.
- the first location card 802 can be used to perform the method in the embodiment shown in FIG. 1 or FIG. 3.
- the reader 803 can be used to perform the method in the embodiment shown in FIG. 2.
- the network side device 805 can The method in the embodiment shown in FIG. 4 is used; the second location card 806 can be used to perform the steps of performing the second location card in the embodiment shown in FIG. 3, and details are not described herein again.
- the first location card sends the first signal carrying the identifier of the first location card to the reader according to the received uplink signal sent by the user equipment, and the reader according to the first signal and the first
- the location of a location card determines the location of the UE, which not only greatly simplifies the prior art method of locating the UE, but also improves the accuracy of the UE location.
- the embodiment provides a location card, where the location card is used in a communication system, the communication system further includes a signal transmission point and a reader, and the location card 900 includes: a receiver 901, Processor 902 and transmitter 903.
- the receiver 901 is configured to receive and detect an uplink signal sent by the UE.
- the processor 902 is configured to generate a first signal according to the uplink signal detected by the receiver 901.
- the transmitter 903 is configured to send the first signal generated by the processor 902 to the reader.
- the first signal carries the identification information of the location card 900, and the first signal is used to refer to The reader is shown to determine the location of the UE based on the first signal and the location of the location card 900.
- the first signal may be a pulse signal or a non-pulse signal capable of reflecting the uplink signal strength, or may be a signal whose signal amplitude is a preset value, for example, a pulse amplitude of the first signal and the uplink.
- the relationship between the signal strengths of the signals may be a preset proportional relationship, which is not limited herein.
- the receiver 901 is further configured to receive an indication signal sent by the reader, where the indication signal is used to instruct the location card to send a second signal.
- the processor 902 is further configured to generate the second signal
- the transmitter 903 is further configured to send the second signal to at least one location card other than the location card.
- the receiver 901 is further configured to receive a second signal sent by another location card; the processor 902 is further configured to generate a third signal according to the second signal;
- the transmitter 903 is further configured to send the third signal to the reader.
- the third signal carries the identification information of the location card 900 and the another location card, and the third signal is used to indicate the arrival time of the reader according to the third signal and the indication
- the transmission time of the signal determines the relative distance between the location card 900 and the other location card.
- the determining the relative distance between the location card 900 and the other location card according to the arrival time of the third signal and the transmission time of the indication signal can be referred to the related description in step 100d.
- processor 902 can be specifically configured to:
- the third signal carries identification information of the location card and the another location card.
- the second signal may be an ultrasonic wave or an electromagnetic wave signal; the identifier information may include a radio frequency identifier or a cell identifier.
- the location card 900 may be used to perform the method in the embodiment shown in FIG. 1 or FIG. 3, wherein the related descriptions of the steps in the embodiment shown in FIG. 1 or FIG. 3 are also applicable to the embodiment, and Let me repeat.
- the location card provided by the embodiment of the present invention detects the uplink signal sent by the UE, and generates a first signal carrying the location card identifier according to the uplink signal, and sends the first signal to the reader to enable reading.
- the device determines the location of the UE according to the location card identifier information carried by the first signal and the location of the location card, which not only greatly simplifies the prior art method for locating the user equipment, but also more accurately identifies the location of the UE.
- a reader 1000 is provided in the embodiment of the present invention.
- the reader 1000 is applied to a communication system.
- the communication system further includes a location card and a signal transmission point.
- the reader 1000 includes: a receiver. 1001 and processor 1002.
- the receiver 1001 is configured to receive a first signal sent by the location card, where the first signal is generated by the location card according to an uplink signal sent by the UE, and the first signal carries the location Card identification information.
- the processor 1002 is configured to determine a location of the UE according to the first signal received by the receiver 1001 and the location of the location card.
- the receiver 1001 may specifically be a pulse detector.
- processor 1002 can be specifically configured to:
- the reader 1000 receives a signal sent by at least one location card other than the location card, and the signal is generated according to the uplink signal sent by the UE, according to the location of the location card And determining the location of the UE by the location of the at least one location card.
- the processor 1002 is specifically configured to: acquire a location of the location card.
- the acquiring the location of the location card may include: Sending an indication signal, the indication signal is used to instruct another location card to send the second signal; receiving a third signal sent by the location card, the third signal carrying the location card and the another location card Identification information, the third signal is generated by the location card according to the second signal sent by the another location card;
- the location of the location card is determined based on the actual distance between the other location card and any location card other than the location card and the other location card.
- the determining the relative distance between the location card and the other location card according to the arrival time of the third signal and the transmission time of the indication signal can be referred to the related description in step 100d.
- the reader 1000 further includes:
- the transmitter 1003 is configured to send the location information of the UE determined by the processor 1002 to the network side device.
- reader 1000 can be used to perform the method in the embodiment shown in FIG. 2, wherein the relevant description of each step in the embodiment shown in FIG. 2 is equally applicable to the embodiment.
- a network side device 1100 includes: a receiver 1101, a processor 1102, and a memory 1103.
- the receiver 1101 is configured to receive an uplink signal sent by the UE.
- the processor 1102 is configured to acquire channel information of the UE according to the uplink signal received by the receiver 1101.
- the channel information may include RSRP or CSI.
- the processor 1102 is further configured to determine a location of the UE according to the obtained channel information of the UE and a correspondence between preset channel information and location information stored in the memory 1103.
- processor 1102 can be specifically configured to:
- the location information is determined by the first signal sent by the reader according to the location card, and the first signal is determined by the location card according to the UE Generated by the uplink signal sent;
- network side device 1100 can be used to perform the method in the embodiment shown in FIG. 4, wherein the related description of each step in the embodiment shown in FIG. 4 is also applicable to the embodiment.
- the network side device determines the channel information of the UE according to the uplink signal of the UE, and determines the location of the UE according to the channel information of the UE and the corresponding relationship between the preset channel information and the location information.
- the method further simplifies the method of locating the UE in the prior art.
- a communication system provided by an embodiment of the present invention may include a location card 900 as shown in FIG. 9, and a reader 1000 shown in FIG.
- the communication system may further include the network side device 1100 shown in FIG.
- the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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Abstract
Description
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Priority Applications (6)
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EP14896907.4A EP3151618B1 (en) | 2014-06-30 | 2014-06-30 | Method, device and system for locating user equipment |
KR1020177001217A KR101805562B1 (ko) | 2014-06-30 | 2014-06-30 | 사용자 장비의 위치를 결정하는 방법 및 기기, 그리고 시스템 |
CN201480031526.4A CN105393611B (zh) | 2014-06-30 | 2014-06-30 | 一种定位用户设备的方法、设备和系统 |
PCT/CN2014/081131 WO2016000120A1 (zh) | 2014-06-30 | 2014-06-30 | 一种定位用户设备的方法、设备和系统 |
JP2016573466A JP6610963B2 (ja) | 2014-06-30 | 2014-06-30 | ユーザ機器を位置決めするための方法、通信システム、及びリーダ |
US15/395,510 US10149270B2 (en) | 2014-06-30 | 2016-12-30 | Method and device for positioning user equipment, and system |
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CN105393611A (zh) | 2016-03-09 |
US20170111881A1 (en) | 2017-04-20 |
EP3151618A1 (en) | 2017-04-05 |
US10149270B2 (en) | 2018-12-04 |
JP2017529516A (ja) | 2017-10-05 |
EP3151618B1 (en) | 2019-04-03 |
KR101805562B1 (ko) | 2018-01-10 |
EP3151618A4 (en) | 2017-07-12 |
CN105393611B (zh) | 2019-04-05 |
JP6610963B2 (ja) | 2019-11-27 |
KR20170018058A (ko) | 2017-02-15 |
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