CN107360617A - A kind of sending method of location reference signals, base station and terminal - Google Patents
A kind of sending method of location reference signals, base station and terminal Download PDFInfo
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- CN107360617A CN107360617A CN201610305982.4A CN201610305982A CN107360617A CN 107360617 A CN107360617 A CN 107360617A CN 201610305982 A CN201610305982 A CN 201610305982A CN 107360617 A CN107360617 A CN 107360617A
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- prs
- base station
- windows
- terminal
- transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the invention discloses a kind of location reference signals (PRS) sending method, base station and terminal.Methods described includes：When location requirement be present, first base station configuration location reference signals (PRS) window and PRS map informations；The first base station sends the control information for carrying the PRS windows and the PRS map informations to terminal.
Description
Technical field
The present invention relates to wireless communication technology, and in particular to a kind of location reference signals (PRS, Positioning
Reference Signal) sending method, base station and terminal.
Background technology
In existing Long Term Evolution (LTE, Long Term Evolution) system, PRS is periodically hair
Send, by the high-rise time-frequency domain resources for configuring PRS and cycle.And arrowband Internet of Things (NB-IOT) technology,
Mainly for big covering, inexpensive, low-power consumption internet-of-things terminal.Internet-of-things terminal is higher to power consumption requirements,
Typically require that battery can be used more than 10 years, therefore end side can as far as possible reduce and receive unnecessary signal, only connect
Necessary signals are received, so as to reach economize on electricity purpose.And the existing periodic sending methods of PRS, no matter terminal
Whether there is location requirement, send PRS according to the PRS transmission cycle, so that terminal reception is unnecessary
Location reference signals, the electricity of terminal itself can be consumed significantly, be unfavorable for the economize on electricity demand of NB-IOT terminals.
The content of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of transmission of location reference signals
Method, base station and terminal, it can realize that PRS aperiodicity sends and received.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
The embodiments of the invention provide a kind of sending method of location reference signals, methods described includes：
When location requirement be present, first base station configuration location reference signals (PRS) window and PRS mapping letters
Breath；
The first base station sends the control letter for carrying the PRS windows and the PRS map informations to terminal
Breath.
In such scheme, the first base station is sent to terminal carries the PRS windows and PRS mappings
The control information of information, including：
The first base station sends Downlink Control Information (DCI) or medium education (MAC) to terminal
Signaling；The PRS windows and the PRS map informations are carried in the DCI or described MAC signalings.
In such scheme, the first base station is sent to terminal carries the PRS windows and PRS mappings
Before the control information of information, methods described also includes：The first base station signals adjacent base by X2
Stand PRS to be sent；Wherein, the X2 signalings include PRS start send subframe, PRS continues
Send time, PRS transmission opportunity quantity and PRS transmission occasion cycle.
In such scheme, the first base station configures PRS map informations, including：The first base station configuration
PRS lasting transmission time, the base station number for sending PRS, PRS send opportunity quantity and PRS
Send occasion cycle.
In such scheme, the first base station configures PRS windows, including：The first base station configures PRS
PRS opportunity quantity is sent in the length of window and the PRS windows；
The first base station configures first of the PRS in the PRS windows and sends opportunity transmission PRS；It is so that adjacent
Base station receive X2 signalings after, PRS is preferentially sent using the first transmission opportunity in the X2 signalings, only
When the described first transmission opportunity is occupied, the adjacent base station selected beyond the first transmission opportunity in order
Other send opportunitys send PRS.
In such scheme, the first base station sends DCI or MAC signalings to terminal, including：
The first base station sends DCI or MAC signalings to terminal；In DCI the or MAC signalings
Preset field characterizes at least part PRS map informations in the PRS map informations；Described at least part
PRS map informations include：PRS lasting transmission time, the base station number for sending PRS, send PRS
Opportunity quantity.
The embodiment of the present invention additionally provides a kind of sending method of location reference signals, and methods described includes：
Terminal receives the control information of first base station；
PRS is received based on the PRS windows carried in the control information and PRS map informations.
In such scheme, the terminal receives the control information of first base station, including：The terminal receives the
DCI the or MAC signalings of one base station；
It is accordingly, described that PRS is received based on the PRS windows carried in the control information and PRS map informations,
Including：PRS is received based on the PRS windows carried in DCI the or MAC signalings and PRS map informations.
It is described to be mapped based on the PRS windows carried in DCI the or MAC signalings and PRS in such scheme
Information receives PRS, including：
The terminal is in the PRS windows according to the PRS transmission occasion cycle and PRS hair of configuration
Opportunity quantity, the preset field being periodically detected in DCI the or MAC signalings are sent, is obtained described default
The PRS map informations that field characterizes；The PRS map informations include：PRS lasting transmission time, hair
Send PRS base station number, send PRS opportunity quantity；
The terminal determines to send PRS subframe based on the PRS map informations, based on the transmission PRS
Subframe receive PRS.
In such scheme, methods described also includes：It is determined that after not sending PRS subframe, stop receiving PRS.
The embodiment of the present invention additionally provides a kind of base station, and the base station includes：Dispensing unit and transmitting element；
Wherein,
The dispensing unit, during for location requirement be present, configure location reference signals (PRS) window and
PRS map informations；
The transmitting element, the PRS windows and the PRS map informations are carried for being sent to terminal
Control information.
In such scheme, the transmitting element, for being connect to terminal transmission Downlink Control Information DCI or media
Enter to control MAC signalings；The PRS of the configuration of described dispensing unit is carried in the DCI or described MAC signalings
Window and the PRS map informations, so that the terminal is based in DCI the or MAC signalings received
PRS windows and the PRS map informations receive PRS.
In such scheme, the transmitting element is additionally operable to send to terminal and carries PRS windows and described
Before the control information of PRS map informations, adjacent base station PRS to be sent is signaled by X2；Wherein,
The X2 signalings include PRS start send subframe, PRS lasting transmission time, PRS transmission
The transmission occasion cycle of opportunity quantity and PRS.
In such scheme, the dispensing unit, for configuring the PRS lasting transmission time, sending PRS
Base station number, the PRS transmission occasion cycle for sending opportunity quantity and PRS.
In such scheme, the dispensing unit, in the length and the PRS windows for configuring PRS windows
Send PRS opportunity quantity；The first transmission opportunity for the PRS for being additionally operable to configure in the PRS windows sends
PRS；So that adjacent base station receive X2 signalings after, preferentially use the first transmission opportunity in the X2 signalings
PRS is sent, only when the described first transmission opportunity is occupied, the adjacent base station selects described first in order
Other beyond transmission opportunity send opportunity transmission PRS.
In such scheme, the transmitting element, for sending DCI or MAC signalings to terminal；The DCI
Or the preset field in MAC signalings characterizes at least part PRS map informations in the PRS map informations；
At least part PRS map informations include：PRS lasting transmission time, the base station number for sending PRS,
Send PRS opportunity quantity.
The embodiment of the present invention additionally provides a kind of terminal, and the terminal includes：Receiving unit and identifying processing list
Member；Wherein,
The receiving unit, for receiving the control information of first base station；It is additionally operable to be based on the identifying processing
Unit receives to the PRS windows and the identifying processing result of PRS map informations that are carried in the control information
PRS；
The identifying processing unit, for the PRS windows and PRS map informations to being carried in the control information
Processing is identified.
In such scheme, the receiving unit, for receiving DCI the or MAC signalings of first base station；Also
For based on the identifying processing unit to the PRS windows and PRS that are carried in DCI the or MAC signalings
The identifying processing result of map information receives PRS；
The identifying processing unit, for the PRS windows and PRS to being carried in DCI the or MAC signalings
Processing is identified in map information.
In such scheme, the identifying processing unit, for the PRS in the PRS windows according to configuration
Transmission occasion cycle and PRS transmission opportunity quantity, be periodically detected DCI the or MAC signalings
In preset field, obtain the PRS map informations that the preset field characterizes；The PRS map informations bag
Include：PRS lasting transmission time, the base station number for sending PRS, the opportunity quantity for sending PRS；It is based on
The PRS map informations determine to send PRS subframe；
The receiving unit, the subframe of the transmission PRS for being determined based on the processing unit are received
PRS。
In such scheme, the receiving unit, it is additionally operable to not send PRS based on what the processing unit determined
Subframe after, stop receive PRS.
Sending method, base station and the terminal of location reference signals provided in an embodiment of the present invention.On the one hand, deposit
In location requirement, first base station configuration location reference signals (PRS) window and PRS map informations；Institute
State first base station and the control information for carrying the PRS windows and the PRS map informations is sent to terminal.Separately
On the one hand, terminal receives the control information of first base station；Based on the PRS windows that are carried in the control information and
PRS map informations receive PR.In this way, using the technical scheme of the embodiment of the present invention, pass through the PRS configured
Window and PRS map informations triggering terminal receive PRS in corresponding subframe, realize PRS aperiodicity
Send and receive, receive unnecessary signal so as to reduce terminal, reduce the consumption of terminal self electric quantity,
The node demand for using duration, meeting terminal of terminal (particularly NB-IOT terminals) battery can be extended.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the sending method of the location reference signals of the embodiment of the present invention one；
Fig. 2 is the schematic flow sheet of the sending method of the location reference signals of the embodiment of the present invention two；
Fig. 3 is the schematic flow sheet of the sending method of the location reference signals of the embodiment of the present invention three；
Fig. 4 is the schematic diagram that PRS is sent in the PRS windows of the embodiment of the present invention；
The system architecture that Fig. 5 is applied by the sending method of the location reference signals of the embodiment of the present invention is illustrated
Figure；
Fig. 6 is the composition structural representation of the base station of the embodiment of the present invention；
Fig. 7 is the composition structural representation of the terminal of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further detailed explanation.
Embodiment one
The embodiments of the invention provide a kind of location reference signals (PRS) sending method.Fig. 1 is this hair
The schematic flow sheet of the sending method of the location reference signals of bright embodiment one；As shown in figure 1, methods described
Including：
Step 101：When location requirement be present, first base station configuration PRS windows and PRS map informations.
Step 102：The first base station is sent to terminal carries the PRS windows and PRS mapping letters
The control information of breath.
In the present embodiment, the control information is specifically as follows Downlink Control Information (DCI, Downlink
Control Information) signaling or medium education (MAC, Medium/Media Access Control)
Signaling；The PRS windows and the PRS map informations are carried in the DCI or described MAC signalings, with
Make the terminal based on the PRS windows in DCI the or MAC signalings received and PRS mapping letters
Breath receives PRS.
In the present embodiment, first base station prepares to send PRS to terminal when there is terminal positioning demand.Wherein,
The terminal positioning demand can be that the location requirement of terminal active reporting or base station active obtaining arrive
Terminal there is the location requirement that the application in location requirement or terminal is sent.It is specifically, described
First base station configures PRS windows；Wherein, configuring PRS windows includes the length of configuration PRS windows；For example, institute
The subframe lengths for stating PRS windows represent that since certain subframe continuous N subframe is PRS windows, then the PRS
The length of window is M frames.Specifically, the length of the PRS windows can be before information exchange in base station and end
It is pre-configured with end；Or pass through a field configuration in DCI or MAC signalings are sent.The configuration PRS
Window also includes the transmission opportunity quantity of PRS in configuration PRS windows；Under normal circumstances, match somebody with somebody in a PRS window
Put 1 to 3 PRS transmission opportunity.And the first base station configures the first of the PRS of the PRS windows
Transmission opportunity sends PRS；The adjacent base station of the first base station preferentially sends opportunity transmission PRS using first,
Only when described first send opportunity it is occupied when, the adjacent base station select in order the first transmission opportunity with
Outer other send opportunitys and send PRS, i.e., sent in the PRS windows the first of PRS send opportunity not by
When other reference signals or transmission take, the adjacent base station selects first of the PRS in the PRS windows
Transmission opportunity sends PRS；Accordingly, when PRS is sent in the PRS windows first sends opportunity by other
When reference signal or transmission take, the adjacent base station selects second of the PRS in the PRS windows to send
Opportunity or PRS the 3rd transmission opportunity send PRS.Using such scheme, it is easy to adjacent base station to obtain PRS
Transmission resource.
In the present embodiment, the first base station configures PRS map informations, and the PRS map informations are used to refer to
Show the range of receiving that terminal receives PRS and instruction terminal receives PRS.Specifically, the first base station is matched somebody with somebody
PRS map informations are put, including：First base station configuration PRS start to send subframe, PRS continues
Send time, PRS transmission opportunity quantity and PRS transmission occasion cycle.In the present embodiment, described
One base station can configure fixed PRS transmission occasion cycle, based on this, during the PRS of fixation transmission
The machine cycle can configure in the terminal in advance, without when carrying characterizes PRS transmission in the signaling of downlink transfer
The information in machine cycle.For example, the PRS of configuration transmission occasion cycle 10 milliseconds (ms), PRS's continues
Time 10ms is sent, PRS transmission opportunity quantity is 3.
In the present embodiment step 102, the first base station is prepared by DCI or MAC signalings triggering terminal
Receive PRS.Specifically, the first base station sends DCI or MAC signalings to terminal, including：It is described
First base station sends DCI or MAC signalings to terminal；Preset field in DCI the or MAC signalings
Characterize at least part PRS map informations in the PRS map informations；At least part PRS mappings
Information includes：PRS lasting transmission time, the base station number for sending PRS, PRS transmission opportunity quantity.
Specifically, can configure preset field in DCI the or MAC signalings, the preset field can be PRS
Scope (PRS region) field；The PRS region fields may include at least two parts, be respectively：
PD fields and ON fields；Wherein, PD fields represent the PRS lasting transmission time；The PD fields
It can be made up of 3 bits (bit).ON fields represent PRS transmission opportunity quantity；The ON fields can
It is made up of 2bit.
Using the technical scheme of the embodiment of the present invention, by the PRS windows and PRS map informations that configure and
PRS is received in corresponding subframe by DCI or MAC signalings triggering terminal, realizes the aperiodic of PRS
Property send and receive, receive unnecessary signal so as to reduce terminal, reduce the consumption of terminal self electric quantity,
The node demand for using duration, meeting terminal of terminal (particularly NB-IOT terminals) battery can be extended.
Embodiment two
The embodiment of the present invention additionally provides a kind of location reference signals (PRS) sending method.Fig. 2 is this
The schematic flow sheet of the sending method of the location reference signals of inventive embodiments two；As shown in Fig. 2 the side
Method includes：
Step 201：When location requirement be present, first base station signals adjacent base station PRS to be sent by X2.
In the present embodiment, the first base station is the serving BS of terminal；The adjacent base station is first base
Stand respective cell adjacent cell base station.
In the present embodiment, for first base station when there is terminal positioning demand, the first base station passes through X2 signalings
Other adjacent base stations are notified, inform first base station PRS to be sent described in other described adjacent base stations.Wherein, it is described
The end that terminal positioning demand can be the location requirement of terminal active reporting or base station active obtaining arrives
The location requirement that end is sent with the application in location requirement or terminal.Implement as one of which
Mode, when the first base station signals adjacent base station PRS to be sent by X2, also by PRS beginning
Send subframe, PRS lasting transmission time, PRS transmission opportunity quantity and PRS week on transmission opportunity
The PRS map informations such as phase are notified to the adjacent base station.Accordingly, the first base station is obtained by X2 signalings
Obtain adjacent base station PRS to be sent.As one of which embodiment, the first base station is obtained by X2 signalings
The PRS map informations of the adjacent base station PRS to be sent are obtained, the PRS map informations include：PRS's
When starting to send subframe, PRS lasting transmission time, PRS transmission opportunity quantity and PRS transmission
Machine cycle etc..Based on this, the first base station and its adjacent base station notify mutually PRS to be sent situation, with
Just when the first base station sends DCI or MAC signalings, other adjacent base stations in PRS windows are carried
Send PRS related PRS map informations.
Step 202：The first base station configuration PRS windows and PRS map informations.
Here, the first base station configuration PRS windows；Wherein, configuring PRS windows includes configuration PRS windows
Length；For example, the subframe lengths of the PRS windows represent that since certain subframe continuous N subframe is PRS
Window, then the length of the PRS windows is M subframes.Specifically, the length of the PRS windows can be handed in information
It is pre-configured with before mutually in base station and terminal；Or pass through a field in DCI or MAC signalings are sent
Configuration.The configuration PRS windows also include the transmission opportunity quantity of PRS in configuration PRS windows；Normal conditions
Under, 1 to 3 PRS of configuration transmission opportunity in a PRS window.And described in the first base station configuration
The first of the PRS of PRS windows sends opportunity transmission PRS, and the adjacent base station of the first base station receives X2 letters
Opportunity transmission PRS is sent after order, preferentially using first in the X2 signalings, only when described first sends
When opportunity is occupied, the adjacent base station selects other transmission opportunitys beyond the first transmission opportunity in order
PRS is sent, i.e., the first of PRS is sent in the PRS windows and sends opportunity not by other reference signals or letter
When road transmission takes, the adjacent base station selects first of the PRS in the PRS windows to send opportunity transmission PRS；
Accordingly, when PRS is sent in the PRS windows first sends opportunity by other reference signals or transmission
During occupancy, the adjacent base station selects second of the PRS in the PRS windows to send the of opportunity or PRS
Three send opportunity transmission PRS.Using such scheme, it is easy to adjacent base station to obtain PRS transmission resource.
In the present embodiment, the first base station configures PRS map informations, and the PRS map informations are used to refer to
Show the range of receiving that terminal receives PRS and instruction terminal receives PRS.Specifically, the first base station is matched somebody with somebody
PRS map informations are put, including：First base station configuration PRS start to send subframe, PRS continues
Send time, the base station number for sending PRS, PRS transmission opportunity quantity and PRS transmission occasion cycle.
In the present embodiment, the first base station can configure fixed PRS transmission occasion cycle, described based on this
Fixed PRS transmission occasion cycle can configure in the terminal in advance, without being taken in the signaling of downlink transfer
Information with the transmission occasion cycle for characterizing PRS.For example, the PRS of the configuration milli of transmission occasion cycle 10
Second (ms), PRS lasting transmission time 10ms, PRS transmission opportunity quantity is 3.
In the present embodiment, first base station described in step 201 configures PRS windows and PRS map informations not
It is limited to perform before or after the first base station configures PRS windows and PRS map informations.
Step 203：The first base station sends DCI or MAC signalings to terminal；The DCI or described
The PRS windows and the PRS map informations are carried in MAC signalings, so that the terminal is based on receiving
DCI the or MAC signalings in PRS windows and the PRS map informations receive PRS.
In the present embodiment step 203, the first base station is prepared by DCI or MAC signalings triggering terminal
Receive PRS.Specifically, the first base station sends DCI or MAC signalings to terminal, including：It is described
First base station sends DCI or MAC signalings to terminal；Preset field in DCI the or MAC signalings
Characterize at least part PRS map informations in the PRS map informations；At least part PRS mappings
Information includes：PRS lasting transmission time, the base station number for sending PRS, PRS transmission opportunity quantity.
Specifically, can configure preset field in DCI the or MAC signalings, the preset field can be PRS
Scope (PRS region) field；The PRS region fields may include three parts, be respectively：PD
Field, PeNBN fields and ON fields；Wherein, the PD fields represent the PRS lasting transmission time；
The PD fields can be made up of 3 bits (bit).The PeNBN fields represent to send PRS base station
Quantity；The PeNBN fields can be made up of 3bit.The ON fields represent PRS transmission opportunity number
Amount；The ON fields can be made up of 2bit.For example, the PRS region fields are represented by 11101010,
Wherein, first three bit expression PD fields, middle three bits expression PeNBN fields, last two
Individual bit represents ON fields.Then the PRS region fields represent that the PRS lasting transmission time is 7
Individual subframe, the interior PRS that two base stations be present and send of the subframe；In PRS windows during two PRS of presence transmission
Machine.
Using the technical scheme of the embodiment of the present invention, by the PRS windows and PRS map informations that configure and
PRS is received in corresponding subframe by DCI or MAC signalings triggering terminal, realizes the aperiodic of PRS
Property send and receive, receive unnecessary signal so as to reduce terminal, reduce the consumption of terminal self electric quantity,
The node demand for using duration, meeting terminal of terminal (particularly NB-IOT terminals) battery can be extended.
Embodiment three
The embodiment of the present invention additionally provides a kind of location reference signals (PRS) sending method.Fig. 3 is this
The schematic flow sheet of the sending method of the location reference signals of inventive embodiments three；As shown in figure 3, the side
Method includes：
Step 301：Terminal receives the control information of first base station.
Step 302：The terminal is connect based on the PRS windows and PRS map informations carried in the control information
Receive PRS.
In the present embodiment, the control information is specifically as follows DCI or MAC signalings.Then the terminal connects
The control information of first base station is received, including：The terminal receives DCI the or MAC signalings of first base station；
Accordingly, it is described that PRS, bag are received based on the PRS windows carried in the control information and PRS map informations
Include：PRS is received based on the PRS windows carried in DCI the or MAC signalings and PRS map informations.
It is specifically, described based on the PRS windows and PRS map informations that are carried in DCI the or MAC signalings
PRS is received, including：The terminal in the PRS windows according to the PRS of configuration transmission occasion cycle with
And PRS transmission opportunity quantity, the preset field being periodically detected in DCI the or MAC signalings, obtain
Obtain the PRS map informations that the preset field characterizes；The PRS map informations include：PRS lasting hair
The time is sent, PRS base station number is sent, sends PRS opportunity quantity；The terminal is based on the PRS
Map information determines transmission PRS subframe, and the subframe based on the transmission PRS receives PRS.
In the present embodiment, PRS transmission occasion cycle can be pre-configured with the terminal, and the hair of the PRS
Send occasion cycle can fixed configurations, i.e., every time send PRS when, PRS transmission occasion cycle is fixed
's.
Specifically, the PRS windows in DCI or MAC signalings described in terminal recognition are specifically as follows identification PRS
The length of window.If for example, the length of the PRS windows is M frames, then it represents that since being originated subframe, even
Continuous M subframe is PRS windows.
Specifically, be configured with preset field in DCI the or MAC signalings, as a kind of embodiment,
The preset field can be PRS scopes (PRS region) field；The PRS region fields can wrap
At least two parts are included, are respectively：PD fields and ON fields；Wherein, PD fields represent holding for PRS
Supervention send the time；The PD fields can be made up of 3 bits (bit).ON fields represent PRS transmission
Opportunity quantity；The ON fields can be made up of 2bit.For example, the PRS region fields are represented by
11110, wherein, first three bit represents PD fields, and most latter two bit represents ON fields.Then
The PRS region fields represent that the PRS lasting transmission time is 7 subframes, have two in PRS windows
PRS transmission opportunity.Then the terminal is in detecting above-mentioned PRS region fields and identifying field
During PRS map informations, show that continuing 7 subframes is since subframe where the PRS region fields
PRS subframes；And since subframe where the PRS region fields, it is PRS to continue M subframe
Window；Transmission occasion cycle according to PRS periodically detects PRS region fields, and detection number is 2 times
(meeting the transmission opportunity that two PRS in PRS windows be present)；Thus, the terminal can determine that base station is sent out
PRS subframe is sent, so as to start to receive PRS in the subframe for sending PRS.
As another embodiment, the preset field can be PRS scopes (PRS region) field；
The PRS region fields may include three parts, be respectively：PD fields, PeNBN fields and ON
Field；Wherein, the PD fields represent the PRS lasting transmission time；The PD fields can be by 3 ratios
Special (bit) is formed.The PeNBN fields represent to send PRS base station number；The PeNBN fields
It can be made up of 3bit.The ON fields represent PRS transmission opportunity quantity；The ON fields can be by 2bit
Form.For example, the PRS region fields are represented by 11101010, wherein, first three bit table
Show PD fields, middle three bits represent PeNBN fields, and most latter two bit represents ON fields.
Then the PRS region fields represent that the PRS lasting transmission time is 7 subframes, have two in the subframe
The PRS that individual base station is sent；Two PRS transmission opportunity in PRS windows be present.Then the terminal is detecting
Above-mentioned PRS region fields and when identifying the PRS map informations in field, show from the PRS region
Subframe where field starts, and it is PRS subframes to continue 7 subframes；And from the PRS region fields institute
Start in subframe, it is PRS windows to continue M subframe；Transmission occasion cycle according to PRS is periodically examined
PRS region fields are surveyed, detection number (meets the transmission that two PRS in PRS windows be present for 2 times
Opportunity)；And the transmission PRS represented according to PeNBN fields base station number is 2, the terminal can
The base station information for the PRS for determining to receive by the mapping position of PRS sequence.
Fig. 4 is the schematic diagram that PRS is sent in a PRS window of the embodiment of the present invention；As shown in figure 4,
3 PRS transmission opportunity in one PRS window be present；PRS continues 6 in each PRS transmission opportunity
Individual subframe.
Methods described also includes：It is determined that after not sending PRS subframe, stop receiving PRS.
In the present embodiment, terminal can determine to send PRS's based on the preset field in DCI or MAC signalings
Subframe, accordingly, it can also determine not sending PRS subframe；Based on this, in the present embodiment, the end
End determines that the subframe for not sending PRS stops receiving PRS.It is unnecessary so to enable the terminal to reduction reception
Signal, the consumption of terminal self electric quantity is reduced, terminal (particularly NB-IOT terminals) battery can be extended
Use duration, meet the node demand of terminal.
The system architecture that Fig. 5 is applied by the sending method of the location reference signals of the embodiment of the present invention is illustrated
Figure；As shown in figure 5, the system architecture includes terminal 42 and base station 41；The terminal 42 specifically may be used
Think arrowband Internet of Things (NB-IOT) terminal.Can be by wireless between the terminal 42 and the base station 41
Network service.
Certainly, above-mentioned Fig. 5 example simply realizes a system architecture example of the embodiment of the present invention, this hair
Bright embodiment is not limited to the system architecture described in above-mentioned Fig. 5, based on the system architecture, proposes that the present invention is each
Individual embodiment.
Example IV
The embodiment of the present invention additionally provides a kind of base station.Fig. 6 is the composition structure of the base station of the embodiment of the present invention
Schematic diagram；As shown in fig. 6, the base station includes：Dispensing unit 411 and transmitting element 412；Wherein,
The dispensing unit 411, during for location requirement be present, configure PRS windows and PRS map informations；
The transmitting element 412, the PRS windows and PRS mapping letters are carried for being sent to terminal
The control information of breath.
In the present embodiment, the transmitting element 412, for sending DCI or MAC signalings to terminal；Institute
State PRS windows and the PRS for carrying that the dispensing unit 411 configures in DCI or described MAC signalings
Map information, so that the terminal is based on the PRS windows in DCI the or MAC signalings received and institute
State PRS map informations and receive PRS.
In the present embodiment, first base station prepares to send PRS to terminal when there is terminal positioning demand.Wherein,
The terminal positioning demand can be that the location requirement of terminal active reporting or base station active obtaining arrive
Terminal there is the location requirement that the application in location requirement or terminal is sent.It is specifically, described
Dispensing unit 411 configures PRS windows；Wherein, the dispensing unit 411, for configure PRS windows length,
And PRS opportunity quantity is sent in the PRS windows；The PRS's for being additionally operable to configure in the PRS windows
First sends opportunity transmission PRS；So that adjacent base station preferentially sends opportunity transmission PRS using first, only work as institute
State the first transmission opportunity it is occupied when, the adjacent base station selects its beyond the first transmission opportunity in order
He sends opportunity transmission PRS.Wherein, configuring PRS windows includes the length of configuration PRS windows；It is for example, described
The subframe lengths of PRS windows represent that since certain subframe continuous N subframe is PRS windows, then the PRS
The length of window is M frames.Specifically, the length of the PRS windows can be before information exchange in base station and end
It is pre-configured with end；Or pass through a field configuration in DCI or MAC signalings are sent.The configuration PRS
Window also includes the transmission opportunity quantity of PRS in configuration PRS windows；Under normal circumstances, match somebody with somebody in a PRS window
Put 1 to 3 PRS transmission opportunity.And the first base station configures the first of the PRS of the PRS windows
Transmission opportunity sends PRS, and the adjacent base station of the first base station preferentially sends opportunity transmission PRS using first,
Only when described first send opportunity it is occupied when, the adjacent base station select in order the first transmission opportunity with
Outer other send opportunitys and send PRS, i.e., sent in the PRS windows the first of PRS send opportunity not by
When other reference signals or transmission take, the adjacent base station selects first of the PRS in the PRS windows
Transmission opportunity sends PRS；Accordingly, when PRS is sent in the PRS windows first sends opportunity by other
When reference signal or transmission take, the adjacent base station selects second of the PRS in the PRS windows to send
Opportunity or PRS the 3rd transmission opportunity send PRS.Using such scheme, it is easy to adjacent base station to obtain PRS
Transmission resource.
In the present embodiment, the dispensing unit 411 configures PRS map informations, and the PRS map informations are used
PRS is received in instruction terminal and instruction terminal receives PRS range of receiving.Specifically, the configuration is single
Member 411, during for configuring the PRS lasting transmission time, sending PRS base station number, PRS transmission
The transmission occasion cycle of machine quantity and PRS.In the present embodiment, the configurable fixation of the dispensing unit 411
PRS transmission occasion cycle, based on this, the PRS of fixation transmission occasion cycle can be in advance in terminal
Middle configuration, the information of PRS transmission occasion cycle is characterized without being carried in the signaling of downlink transfer.For example,
The PRS of configuration transmission occasion cycle 10 milliseconds (ms), PRS lasting transmission time 10ms, PRS
Transmission opportunity quantity be 3.
In the present embodiment, the transmitting element 412 prepares to receive by DCI or MAC signalings triggering terminal
PRS.Specifically, the transmitting element 412, for sending DCI or MAC signalings to terminal；It is described
Preset field in DCI or MAC signalings characterizes at least part PRS mappings in the PRS map informations
Information；At least part PRS map informations include：PRS lasting transmission time, send PRS when
Machine quantity.Specifically, can configure preset field in DCI the or MAC signalings, the preset field can
Think PRS scopes (PRS region) field；The PRS region fields may include at least two parts,
Respectively：PD fields and ON fields；Wherein, PD fields represent the PRS lasting transmission time；It is described
PD fields can be made up of 3 bits (bit).ON fields represent PRS transmission opportunity quantity；The ON
Field can be made up of 2bit.
It will be appreciated by those skilled in the art that in the base station of the embodiment of the present invention each processing unit function, can
Understand with reference to the associated description of the sending method of foregoing location reference signals, in the base station of the embodiment of the present invention
Each processing unit, it can be realized by realizing the analog circuit of the function described in the embodiment of the present invention, can also
Realized by performing operation of the software of the function described in the embodiment of the present invention on intelligent terminal.
Embodiment five
The embodiment of the present invention additionally provides a kind of base station.The base station can be as shown in fig. 6, the base station includes：
Dispensing unit 411 and transmitting element 412；Wherein,
The transmitting element 412, during for location requirement be present, it is to be sent that adjacent base station is signaled by X2
PRS；Wherein, the X2 signalings include PRS start send subframe, PRS the lasting transmission time,
PRS's sends opportunity quantity and PRS transmission occasion cycle；
The dispensing unit 411, for configuring PRS windows and PRS map informations；
The transmitting element 412, it is additionally operable to send DCI or MAC signalings to terminal；The DCI or institute
PRS windows and the PRS map informations for carrying that the dispensing unit 411 configures in MAC signalings are stated, with
Make the terminal based on the PRS windows in DCI the or MAC signalings received and PRS mapping letters
Breath receives PRS.
In the present embodiment, for first base station when there is terminal positioning demand, the transmitting element 412 passes through X2
Other adjacent base stations are signaled, inform first base station PRS to be sent described in other described adjacent base stations.Wherein,
The terminal positioning demand can be that the location requirement of terminal active reporting or base station active obtaining arrive
Terminal there is the location requirement that the application in location requirement or terminal is sent.As one of which
Embodiment, when the transmitting element 412 signals adjacent base station PRS to be sent by X2, also by PRS
Start send subframe, the transmission for sending opportunity quantity and PRS of PRS lasting transmission time, PRS
The PRS map informations such as occasion cycle are notified to the adjacent base station.Accordingly, the transmitting element 412 passes through
X2 signalings obtain adjacent base station PRS to be sent.As one of which embodiment, the transmitting element 412
The PRS map informations of the adjacent base station PRS to be sent, the PRS map informations are obtained by X2 signalings
Including：PRS start send subframe, the PRS lasting transmission time, PRS transmission opportunity quantity and
PRS transmission occasion cycle etc..Based on this, the first base station and its adjacent base station notify mutually PRS to be sent
Situation, so as to the transmitting element 412 of the first base station send DCI or MAC signalings when, carry
There are the related PRS map informations that in PRS windows other adjacent base stations also send PRS.
Here, the dispensing unit 411 configures PRS windows；The dispensing unit 411, for configuring PRS
PRS opportunity quantity is sent in the length of window and the PRS windows；It is additionally operable to configure the PRS windows
The first of interior PRS sends opportunity transmission PRS；So that adjacent base station preferentially sends opportunity transmission using first
PRS, only when the described first transmission opportunity is occupied, the adjacent base station selects described first to send in order
Other beyond opportunity send opportunity transmission PRS.Wherein, configuring PRS windows includes the length of configuration PRS windows；
For example, the subframe lengths of the PRS windows represent that since certain subframe continuous N subframe is PRS windows,
Then the length of the PRS windows is M subframes.Specifically, the length of the PRS windows can information exchange it
It is preceding to be pre-configured with base station and terminal；Or pass through a field configuration in DCI or MAC signalings are sent.
The configuration PRS windows also include the transmission opportunity quantity of PRS in configuration PRS windows；Under normal circumstances, one
1 to 3 PRS of configuration transmission opportunity in individual PRS windows.And the first base station configures the PRS windows
PRS the first transmission opportunity preferentially send PRS, the adjacent base station of the first base station receives X2 signalings
Afterwards, opportunity transmission PRS is preferentially sent using first in the X2 signalings, only when described first sends
When machine is occupied, the adjacent base station selects other transmission opportunitys beyond the first transmission opportunity to send out in order
PRS is sent, i.e., the first of PRS is sent in the PRS windows and sends opportunity not by other reference signals or channel
When transmission takes, the adjacent base station selects first of the PRS in the PRS windows to send opportunity transmission PRS；
Accordingly, when PRS is sent in the PRS windows first sends opportunity by other reference signals or transmission
During occupancy, the adjacent base station selects second of the PRS in the PRS windows to send the of opportunity or PRS
Three send opportunity transmission PRS.Using such scheme, it is easy to adjacent base station to obtain PRS transmission resource.
In the present embodiment, the dispensing unit 411 configures PRS map informations, and the PRS map informations are used
PRS is received in instruction terminal and instruction terminal receives PRS range of receiving.Specifically, the configuration is single
Member 411, during for configuring the PRS lasting transmission time, sending PRS base station number, PRS transmission
The transmission occasion cycle of machine quantity and PRS.In the present embodiment, the configurable fixation of the dispensing unit 411
PRS transmission occasion cycle, based on this, the PRS of fixation transmission occasion cycle can be in advance in terminal
Middle configuration, the information of PRS transmission occasion cycle is characterized without being carried in the signaling of downlink transfer.For example,
The PRS of configuration transmission occasion cycle 10 milliseconds (ms), PRS lasting transmission time 10ms, PRS
Transmission opportunity quantity be 3.
In the present embodiment, the transmitting element 412 prepares to receive by DCI or MAC signalings triggering terminal
PRS.Specifically, the transmitting element 412, for sending DCI or MAC signalings to terminal；It is described
Preset field in DCI or MAC signalings characterizes at least part PRS mappings in the PRS map informations
Information；At least part PRS map informations include：PRS lasting transmission time, the base for sending PRS
Stand quantity, send PRS opportunity quantity.Specifically, it can configure in DCI the or MAC signalings default
Field, the preset field can be PRS scopes (PRS region) field；The PRS region words
Section may include three parts, be respectively：PD fields, PeNBN fields and ON fields；Wherein, it is described
PD fields represent the PRS lasting transmission time；The PD fields can be made up of 3 bits (bit).Institute
PeNBN fields are stated to represent to send PRS base station number；The PeNBN fields can be made up of 3bit.Institute
State the transmission opportunity quantity that ON fields represent PRS；The ON fields can be made up of 2bit.For example, institute
State PRS region fields and be represented by 11101010, wherein, first three bit represents PD fields, in
Between three bits represent PeNBN fields, most latter two bit represents ON fields.The then PRS
Region fields represent that the PRS lasting transmission time is 7 subframes, and two base stations be present in the subframe sends
PRS；Two PRS transmission opportunity in PRS windows be present.
It will be appreciated by those skilled in the art that in the base station of the embodiment of the present invention each processing unit function, can
Understand with reference to the associated description of the sending method of foregoing location reference signals, in the base station of the embodiment of the present invention
Each processing unit, it can be realized by realizing the analog circuit of the function described in the embodiment of the present invention, can also
Realized by performing operation of the software of the function described in the embodiment of the present invention on intelligent terminal.
In the embodiment of the present invention four and embodiment five, the dispensing unit 411 in the base station, actually should
Can be by the central processing unit (CPU, Central Processing Unit) in the base station, data signal in
Processor (DSP, Digital Signal Processor) or programmable gate array (FPGA, Field-
Programmable Gate Array) realize；Transmitting element 412 in the base station, in actual applications may be used
Realized by the transmitting antenna in the base station.
Embodiment six
The embodiment of the present invention additionally provides a kind of terminal.Fig. 7 is the composition structure of the terminal of the embodiment of the present invention
Schematic diagram；As shown in fig. 7, the terminal includes：Receiving unit 421 and identifying processing unit 422；Its
In,
The receiving unit 421, for receiving the control information of first base station；It is additionally operable to be based on the identification
Processing unit 422 is to the PRS windows carried in the control information and the identifying processing result of PRS map informations
Receive PRS；
The identifying processing unit 422, mapped for the PRS windows to being carried in the control information and PRS
Processing is identified in information.
In the present embodiment, the receiving unit 421, for receiving DCI the or MAC signalings of first base station；
Be additionally operable to based on the identifying processing unit 422 to the PRS windows that are carried in DCI the or MAC signalings and
The identifying processing result of PRS map informations receives PRS；
The identifying processing unit 422, for the PRS windows to being carried in DCI the or MAC signalings and
Processing is identified in PRS map informations.
In the present embodiment, the identifying processing unit 422, for the PRS in the PRS windows according to configuration
Transmission occasion cycle and PRS transmission opportunity quantity, be periodically detected DCI the or MAC signalings
In preset field, obtain the PRS map informations that the preset field characterizes；The PRS map informations bag
Include：PRS lasting transmission time, the base station number for sending PRS, the opportunity quantity for sending PRS；It is based on
The PRS map informations determine to send PRS subframe；
The receiving unit 421, the subframe of the transmission PRS for being determined based on the processing unit are connect
Receive PRS.
In the present embodiment, PRS transmission occasion cycle can be pre-configured with the terminal, and the hair of the PRS
Send occasion cycle can fixed configurations, i.e., every time send PRS when, PRS transmission occasion cycle is fixed
's.
Specifically, the identifying processing unit 422 identifies the PRS windows tool in DCI the or MAC signalings
Body can be the length of identification PRS windows.If for example, the length of the PRS windows is M frames, then it represents that from
Starting subframe starts, and continuous N subframe is PRS windows.
Specifically, be configured with preset field in DCI the or MAC signalings, as a kind of embodiment,
The preset field can be PRS scopes (PRS region) field；The PRS region fields can wrap
At least two parts are included, are respectively：PD fields and ON fields；Wherein, PD fields represent holding for PRS
Supervention send the time；The PD fields can be made up of 3 bits (bit).ON fields represent PRS transmission
Opportunity quantity；The ON fields can be made up of 2bit.For example, the PRS region fields are represented by
11110, wherein, first three bit represents PD fields, and most latter two bit represents ON fields.Then
The PRS region fields represent that the PRS lasting transmission time is 7 subframes, have two in PRS windows
PRS transmission opportunity.Then the identifying processing unit 422 is detecting above-mentioned PRS region fields and known
When not going out the PRS map informations in field, show since subframe where the PRS region fields, to hold
It is PRS subframes to continue 7 subframes；And since subframe where the PRS region fields, continue M
Individual subframe is PRS windows；Transmission occasion cycle according to PRS periodically detects PRS region fields,
Detection number is 2 times (meeting the transmission opportunity that two PRS in PRS windows be present)；Thus, the knowledge
Other processing unit 422 can determine that base station sends PRS subframe, so as to start to receive in the subframe for sending PRS
PRS。
As another embodiment, the preset field can be PRS scopes (PRS region) field；
The PRS region fields may include three parts, be respectively：PD fields, PeNBN fields and ON
Field；Wherein, the PD fields represent the PRS lasting transmission time；The PD fields can be by 3 ratios
Special (bit) is formed.The PeNBN fields represent to send PRS base station number；The PeNBN fields
It can be made up of 3bit.The ON fields represent PRS transmission opportunity quantity；The ON fields can be by 2bit
Form.For example, the PRS region fields are represented by 11101010, wherein, first three bit table
Show PD fields, middle three bits represent PeNBN fields, and most latter two bit represents ON fields.
Then the PRS region fields represent that the PRS lasting transmission time is 7 subframes, have two in the subframe
The PRS that individual base station is sent；Two PRS transmission opportunity in PRS windows be present.The then identifying processing unit
422 in the PRS map informations in detecting above-mentioned PRS region fields and identifying field, show from
Subframe where the PRS region fields starts, and it is PRS subframes to continue 7 subframes；And from described
Subframe where PRS region fields starts, and it is PRS windows to continue M subframe；During foundation PRS transmission
The detection PRS region fields of machine cycle, detection number (meet exist in PRS windows for 2 times
Two PRS transmission opportunity)；And the transmission PRS represented according to PeNBN fields base station number is 2
Individual, the recognition unit 422 can determine the PRS received base station by the mapping position of PRS sequence
Information.
In the present embodiment, as another embodiment, the receiving unit 421, it is additionally operable to based on described
After what processing unit determined does not send PRS subframe, stop receiving PRS.
In the present embodiment, the identifying processing unit 422 can be based on the predetermined word in DCI or MAC signalings
Section determines to send PRS subframe, accordingly, can also determine not sending PRS subframe；Based on this, this
In embodiment, the identifying processing unit 422 determines that the subframe for not sending PRS enables the receiving unit 421
Stop receiving PRS.So enable the terminal to reduce and receive unnecessary signal, reduce terminal self electric quantity
Consumption, can extend terminal (particularly NB-IOT terminals) battery uses duration, meets terminal
Node demand.
It will be appreciated by those skilled in the art that in the terminal of the embodiment of the present invention each processing unit function, can
Understand with reference to the associated description of the sending method of foregoing location reference signals, in the terminal of the embodiment of the present invention
Each processing unit, it can be realized by realizing the analog circuit of the function described in the embodiment of the present invention, can also
Realized by performing operation of the software of the function described in the embodiment of the present invention on intelligent terminal.
In embodiments of the present invention, the identifying processing unit 422 in the terminal, in actual applications can be by
CPU, DSP or FPGA in the terminal are realized；Receiving unit 421 in the terminal, in reality
It can be realized in by the reception antenna in the terminal.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can
To realize by another way.Apparatus embodiments described above are only schematical, for example, institute
The division of unit is stated, only a kind of division of logic function, there can be other dividing mode when actually realizing,
Such as：Multiple units or component can combine, or be desirably integrated into another system, or some features can neglect
Slightly, or do not perform.In addition, the mutual coupling of shown or discussed each part or direct coupling
Close or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of equipment or unit, can
To be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be it is physically separate, as
The part that unit is shown can be or may not be physical location, you can positioned at a place, also may be used
To be distributed on multiple NEs；Partly or entirely unit therein can be selected according to the actual needs
Realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit,
Can also be each unit individually as a unit, can also two or more units be integrated in one
In individual unit；Above-mentioned integrated unit can both be realized in the form of hardware, can also be added using hardware soft
The form of part functional unit is realized.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can
To be completed by the related hardware of programmed instruction, foregoing program can be stored in one and computer-readable deposit
In storage media, the program upon execution, execution the step of including above method embodiment；And foregoing storage
Medium includes：Movable storage device, read-only storage (ROM, Read-Only Memory), deposit at random
Access to memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can to store journey
The medium of sequence code.
Or if the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independently
Production marketing or in use, can also be stored in a computer read/write memory medium.Based on so
Understanding, the part that the technical scheme of the embodiment of the present invention substantially contributes to prior art in other words can
To be embodied in the form of software product, the computer software product is stored in a storage medium, bag
Some instructions are included to so that a computer equipment (can be personal computer, server or network
Equipment etc.) perform all or part of each embodiment methods described of the present invention.And foregoing storage medium bag
Include：Movable storage device, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
This, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, it should all be included within the scope of the present invention.Therefore, protection scope of the present invention should
It is defined by the scope of the claims.
Claims (20)
1. a kind of sending method of location reference signals, it is characterised in that methods described includes：
When location requirement be present, first base station configuration location reference signals PRS windows and PRS map informations；
The first base station sends the control letter for carrying the PRS windows and the PRS map informations to terminal
Breath.
2. according to the method for claim 1, it is characterised in that the first base station sends to terminal and taken
Control information with the PRS windows and the PRS map informations, including：
The first base station sends Downlink Control Information DCI or media access control MAC signaling to terminal；
The PRS windows and the PRS map informations are carried in the DCI or described MAC signalings.
3. according to the method for claim 1, it is characterised in that the first base station sends to terminal and taken
Before control information with the PRS windows and the PRS map informations, methods described also includes：It is described
First base station signals adjacent base station PRS to be sent by X2；Wherein, the X2 signalings include PRS
Start send subframe, the transmission for sending opportunity quantity and PRS of PRS lasting transmission time, PRS
Occasion cycle.
4. according to the method for claim 3, it is characterised in that the first base station configuration PRS reflects
Information is penetrated, including：The first base station configuration PRS lasting transmission time, the base station number for sending PRS,
PRS's sends opportunity quantity and PRS transmission occasion cycle.
5. according to the method for claim 3, it is characterised in that the first base station configures PRS windows,
Including：PRS opportunity is sent in the length of the first base station configuration PRS windows and the PRS windows
Quantity；
The first base station configures first of the PRS in the PRS windows and sends opportunity transmission PRS；It is so that adjacent
Base station receive X2 signalings after, PRS is preferentially sent using the first transmission opportunity in the X2 signalings, only
When the described first transmission opportunity is occupied, the adjacent base station selected beyond the first transmission opportunity in order
Other send opportunitys send PRS.
6. according to the method for claim 2, it is characterised in that the first base station is sent to terminal
DCI or MAC signalings, including：
The first base station sends DCI or MAC signalings to terminal；In DCI the or MAC signalings
Preset field characterizes at least part PRS map informations in the PRS map informations；Described at least part
PRS map informations include：PRS lasting transmission time, the base station number for sending PRS, send PRS
Opportunity quantity.
7. a kind of sending method of location reference signals, it is characterised in that methods described includes：
Terminal receives the control information of first base station；
PRS is received based on the PRS windows carried in the control information and PRS map informations.
8. according to the method for claim 7, it is characterised in that the terminal receives the control of first base station
Information processed, including：The terminal receives DCI the or MAC signalings of first base station；
It is accordingly, described that PRS is received based on the PRS windows carried in the control information and PRS map informations,
Including：PRS is received based on the PRS windows carried in DCI the or MAC signalings and PRS map informations.
9. according to the method for claim 8, it is characterised in that described to be based on the DCI or MAC
The PRS windows and PRS map informations carried in signaling receives PRS, including：
The terminal is in the PRS windows according to the PRS transmission occasion cycle and PRS hair of configuration
Opportunity quantity, the preset field being periodically detected in DCI the or MAC signalings are sent, is obtained described default
The PRS map informations that field characterizes；The PRS map informations include：PRS lasting transmission time, hair
Send PRS base station number, send PRS opportunity quantity；
The terminal determines to send PRS subframe based on the PRS map informations, based on the transmission PRS
Subframe receive PRS.
10. according to the method for claim 9, it is characterised in that methods described also includes：It is determined that not
After the subframe for sending PRS, stop receiving PRS.
11. a kind of base station, it is characterised in that the base station includes：Dispensing unit and transmitting element；Wherein,
The dispensing unit, during for location requirement be present, configure location reference signals PRS windows and PRS
Map information；
The transmitting element, the PRS windows and the PRS map informations are carried for being sent to terminal
Control information.
12. base station according to claim 11, it is characterised in that the transmitting element, for end
End sends Downlink Control Information DCI or media access control MAC signaling；The DCI or described MAC
The PRS windows of the configuration of described dispensing unit and the PRS map informations are carried in signaling.
13. base station according to claim 11, it is characterised in that the transmitting element, be additionally operable to
Before terminal sends the control information for carrying the PRS windows and the PRS map informations, believed by X2
Order notice adjacent base station PRS to be sent；Wherein, the X2 signalings include PRS start send subframe,
PRS lasting transmission time, PRS transmission opportunity quantity and PRS transmission occasion cycle.
14. base station according to claim 13, it is characterised in that the dispensing unit, for configuring
PRS lasting transmission time, the base station number for sending PRS, PRS send opportunity quantity and PRS
Send occasion cycle.
15. base station according to claim 13, it is characterised in that the dispensing unit, for configuring
PRS opportunity quantity is sent in the length of PRS windows and the PRS windows；It is additionally operable to configure the PRS
The first transmission opportunity of PRS in window sends PRS；So that adjacent base station receive X2 signalings after, preferentially adopt
Opportunity transmission PRS is sent with first in the X2 signalings, only when the described first transmission opportunity is occupied,
The adjacent base station selects other transmission opportunitys beyond the first transmission opportunity to send PRS in order.
16. base station according to claim 12, it is characterised in that the transmitting element, for end
End sends DCI or MAC signalings；Preset field in DCI the or MAC signalings characterizes the PRS
At least part PRS map informations in map information；At least part PRS map informations include：PRS
The lasting transmission time, send PRS base station number, send PRS opportunity quantity.
17. a kind of terminal, it is characterised in that the terminal includes：Receiving unit and identifying processing unit；
Wherein,
The receiving unit, for receiving the control information of first base station；It is additionally operable to be based on the identifying processing
Unit receives to the PRS windows and the identifying processing result of PRS map informations that are carried in the control information
PRS；
The identifying processing unit, for the PRS windows and PRS map informations to being carried in the control information
Processing is identified.
18. terminal according to claim 17, it is characterised in that the receiving unit, for receiving
DCI the or MAC signalings of first base station；Be additionally operable to based on the identifying processing unit to the DCI or
The PRS windows and the identifying processing result of PRS map informations carried in MAC signalings receives PRS；
The identifying processing unit, for the PRS windows and PRS to being carried in DCI the or MAC signalings
Processing is identified in map information.
19. terminal according to claim 17, it is characterised in that the identifying processing unit, be used for
In the PRS windows according to configuration PRS the transmission opportunity quantity for sending occasion cycle and PRS,
The preset field being periodically detected in DCI the or MAC signalings, obtain the PRS that the preset field characterizes
Map information；The PRS map informations include：PRS lasting transmission time, the base station number for sending PRS
Amount, the opportunity quantity for sending PRS；Determine to send PRS subframe based on the PRS map informations；
The receiving unit, the subframe of the transmission PRS for being determined based on the processing unit are received
PRS。
20. terminal according to claim 19, it is characterised in that the receiving unit, be additionally operable to base
In the processing unit determine do not send PRS subframe after, stop receive PRS.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610305982.4A CN107360617B (en) | 2016-05-10 | 2016-05-10 | Method for sending positioning reference signal, base station and terminal |
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| CN201610305982.4A CN107360617B (en) | 2016-05-10 | 2016-05-10 | Method for sending positioning reference signal, base station and terminal |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719148A (en) * | 2018-07-11 | 2020-01-21 | 维沃移动通信有限公司 | Positioning reference signal configuration and receiving method and equipment |
| CN111819893A (en) * | 2020-06-02 | 2020-10-23 | 北京小米移动软件有限公司 | Downlink positioning reference signal transmission method, device and storage medium |
| CN112532360A (en) * | 2019-08-30 | 2021-03-19 | 华为技术有限公司 | Method and related device for sending positioning reference signal |
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| CN112532360B (en) * | 2019-08-30 | 2022-08-09 | 华为技术有限公司 | Method and related device for sending positioning reference signal |
| CN112532360A (en) * | 2019-08-30 | 2021-03-19 | 华为技术有限公司 | Method and related device for sending positioning reference signal |
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| WO2021204293A1 (en) * | 2020-04-10 | 2021-10-14 | 华为技术有限公司 | Positioning signal processing method and apparatus |
| CN111819893A (en) * | 2020-06-02 | 2020-10-23 | 北京小米移动软件有限公司 | Downlink positioning reference signal transmission method, device and storage medium |
| WO2022000200A1 (en) * | 2020-06-29 | 2022-01-06 | 北京小米移动软件有限公司 | Positioning reference signal configuration method and apparatus, user equipment, and storage medium |
| CN113973261B (en) * | 2020-07-24 | 2023-06-27 | 维沃移动通信有限公司 | Positioning processing method, device and equipment |
| CN113973261A (en) * | 2020-07-24 | 2022-01-25 | 维沃移动通信有限公司 | Positioning processing method, device and equipment |
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| CN114071503A (en) * | 2020-08-07 | 2022-02-18 | 大唐移动通信设备有限公司 | Downlink positioning reference signal transceiving method, terminal, base station, equipment and device |
| CN114071503B (en) * | 2020-08-07 | 2024-04-19 | 大唐移动通信设备有限公司 | Method, terminal, base station, equipment and device for receiving and transmitting downlink positioning reference signals |
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