CN107277916A - Determine the method and its localization method and system of device to be positioned in area to be targeted - Google Patents
Determine the method and its localization method and system of device to be positioned in area to be targeted Download PDFInfo
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- CN107277916A CN107277916A CN201710425121.4A CN201710425121A CN107277916A CN 107277916 A CN107277916 A CN 107277916A CN 201710425121 A CN201710425121 A CN 201710425121A CN 107277916 A CN107277916 A CN 107277916A
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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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Abstract
The invention discloses a kind of method of device to be positioned in determination area to be targeted, this method includes：Roll-call signal is sent to all devices to be positioned that possibly be present in area to be targeted；Receive the answer signal that all devices to be positioned occurred in area to be targeted are sent in response to roll-call signal；And, the quantity of device to be positioned in area to be targeted is determined according to the quantity of answer signal.The beneficial effects of the invention are as follows, each area to be targeted is only the device to be positioned distribution positioning signal transmitting-receiving period in the area to be targeted, the device to be positioned distribution positioning signal transmitting-receiving period without being not at the area to be targeted for other in this area to be targeted, the total duration that positioning signal receives and dispatches the period is reduced, so as to improve positioning refresh rate.
Description
Technical field
This disclosure relates to radio communication, more specifically, this disclosure relates to positioning field.
Background technology
With data service and the quick increase of multimedia service, on the basis of short distance high-rate wireless communication, people
To positional information perceive demand also increasingly increase.Especially in complex environment, such as airport hall, exhibition room, warehouse, supermarket,
Library, underground parking, mine etc., or some need the environment to personnel positioning with specific demand, such as prison, child
Garden, hospital, home for destitute etc., it is often necessary to determine the positional information of mobile terminal or its holder, facility and article, and then be used for
The demands such as monitoring management, security alarm, command scheduling, logistics, remote measuring and controlling and emergency relief.
In existing alignment system, conventional positioning signal transmitting-receiving mode is that device to be positioned launches positioning signal, respectively
Locating base station receives positioning signal and records its temporal information for reaching itself, so that (Time of Arrival, are arrived using TOA
Up to the time) location algorithm or TDOA (Time Difference of Arrival, reaching time-difference) location algorithm resolve correspondence
Device to be positioned positional information, this requires that locating base station knows which dress to be positioned is the positioning signal that receives come from
Put.Include the following two kinds method in the prior art, one is to add identity information for each positioning signal, and two be for each dress to be positioned
Put and distribute proprietary positioning signal transmitting-receiving time slot.The mode for adding identity information for each positioning signal can increase positioning signal transmitting
The complexity of device, and locating base station detection and demodulation positioning signal are not easy to, in addition, the signal system of positioning signal also can pole
It is big limited.It is therefore, in existing alignment system to be adopted as the mode that each device distribution positioning signal to be positioned receives and dispatches time slot more,
So that locating base station identifies the corresponding device to be positioned of the positioning signal received.
In application scenes, when device total quantity to be positioned is more huge, and device to be positioned is in area to be targeted
Middle dynamic occurs, i.e., each device to be positioned is likely to occur in area to be targeted, but is not again in many cases institute
The device to be positioned having is all while appear in area to be targeted.If each one positioning of device fixed allocation to be positioned
Signal transmitting and receiving time slot, can also be assigned with positioning letter to the device to be positioned being not in the area to be targeted under many circumstances
Number transmitting-receiving time slot, cause the waste of time resource, cause locating periodically long, positioning refresh rate it is relatively low.Therefore, how undetermined
Position device is dynamically appeared in the application scenarios of area to be targeted, is a fairly large number of device distribution positioning signal transmitting-receiving to be positioned
Period, and time cost can be saved as far as possible, it is those skilled in the art's urgent problem to be solved.
The content of the invention
According to one aspect of the present invention, the method for disclosing device to be positioned in a kind of determination area to be targeted, the party
Method includes：Roll-call signal is sent to all devices to be positioned that possibly be present in area to be targeted；Receive in area to be targeted
The answer signal that all devices to be positioned occurred are sent in response to roll-call signal；And, determined according to the quantity of answer signal
The quantity of device to be positioned in area to be targeted.
According to another aspect of the present invention, disclose and a kind of treat the method that positioner is positioned, this method bag
Include：Determine the device to be positioned in area to be targeted, wherein again include, to it is all possibly be present in area to be targeted it is undetermined
Position device sends roll-call signal；All devices to be positioned occurred in area to be targeted are received in response to answering that roll-call signal is sent
Answer signal；And the quantity and identity of device to be positioned in area to be targeted are determined according to answer signal.This method also includes：Root
The positioning signal for distributing respective numbers according to the quantity of device to be positioned receives and dispatches the period；Device to be positioned is made to be received in corresponding positioning signal
Launch positioning signal in the hair period and make locating base station receive positioning signal within the corresponding positioning signal transmitting-receiving period；And according to
The locating base station positioning signal transmitting-receiving period residing when receiving positioning signal identifies corresponding device to be positioned to resolve this
The positional information of device to be positioned.
According to the present invention have on one side, disclose it is a kind of treat the system that positioner is positioned, the system bag
Include：Device to be positioned, locating base station, roll-call sender unit and answer signal reception device.Wherein, device hair to be positioned
Send positioning signal；The positioning signal and record location signal that locating base station receives device transmission to be positioned reach the time letter of itself
Breath；Roll-call sender unit sends roll-call signal to all devices to be positioned that possibly be present in area to be targeted；Response
Signal receiving device receives the answer signal that all devices to be positioned occurred in area to be targeted are sent in response to roll-call signal.
Wherein, the system determines the quantity and identity of device to be positioned in area to be targeted according to answer signal, according to device to be positioned
Quantity distribution respective numbers positioning signal transmitting-receiving the period；And make device to be positioned be sent out within the corresponding positioning signal transmitting-receiving period
Penetrate positioning signal and make locating base station receive positioning signal within the corresponding positioning signal transmitting-receiving period；The system is always according to positioning base
The station positioning receiving and transmitting signal period residing when receiving positioning signal identifies that corresponding device to be positioned is to be positioned to resolve this
The positional information of device.
The beneficial effects of the invention are as follows each area to be targeted is only the device to be positioned distribution in the area to be targeted
Positioning signal receives and dispatches the period, the device to be positioned without being not at the area to be targeted for other in this area to be targeted
The positioning signal transmitting-receiving period is distributed, the total duration that positioning signal receives and dispatches the period is reduced, so as to improve positioning refresh rate.
Brief description of the drawings
Fig. 1 provides the schematic diagram of the alignment system 100 comprising an area to be targeted according to an embodiment of the present invention；
Fig. 2 provides the work schedule signal of the alignment system 100 comprising an area to be targeted of embodiment illustrated in fig. 1
Figure；
Fig. 3 (a) provides a kind of shape of alignment system 300 for including two areas to be targeted according to an embodiment of the present invention
The schematic diagram of state；
Fig. 3 (b) provides another according to the alignment system 300 comprising two areas to be targeted of an embodiment of the present invention
The schematic diagram of state；
Fig. 4 (a) provides the work schedule of the alignment system 300 comprising two areas to be targeted of Fig. 3 (a) illustrated embodiments
Schematic diagram；
Fig. 4 (b) provides the work schedule of the alignment system 300 comprising two areas to be targeted of Fig. 3 (b) illustrated embodiments
Schematic diagram；
Fig. 5 provides the schematic diagram of the alignment system 500 comprising an area to be targeted according to an embodiment of the present invention；
The synchronous working sequential that Fig. 6 provides the alignment system 500 comprising an area to be targeted of embodiment illustrated in fig. 5 is shown
It is intended to；
Fig. 7 provides the stream of the method 700 of device to be positioned in the determination area to be targeted according to an embodiment of the present invention
Cheng Tu；
Fig. 8 provides the flow chart for treating the method 800 that positioner is positioned according to an embodiment of the present invention.
Embodiment
The specific embodiment of the present invention is described more fully below, it should be noted that the embodiments described herein is served only for citing
Illustrate, be not intended to limit the invention.In the following description, in order to provide thorough understanding of the present invention, a large amount of spies are elaborated
Determine details.It will be apparent, however, to one skilled in the art that：This hair need not be carried out using these specific details
It is bright.In other instances, in order to avoid obscuring the present invention, known circuit, material or method are not specifically described.
Throughout the specification, meaning is referred to " one embodiment ", " embodiment ", " example " or " example "
：It is comprised in reference to special characteristic, structure or the characteristic that the embodiment or example are described at least one embodiment of the invention.
Therefore, in each local phrase " in one embodiment " occurred, " in embodiment ", " example " of entire disclosure
Or " example " is not necessarily all referring to same embodiment or example.Furthermore, it is possible to any appropriate combination and or sub-portfolio will be specific
Feature, structure or property combination in one or more embodiments or example.In addition, those of ordinary skill in the art should manage
Solution, diagram is provided to the purpose of explanation provided herein, and diagram is not necessarily drawn to scale.It should be appreciated that working as
Claim " element " " being connected to " or during " coupled " to another element, it can be directly connected or coupled to another element or can be with
There is intermediary element.On the contrary, when claiming element " being directly connected to " or " being directly coupled to " another element, in the absence of cental element
Part.Identical reference indicates identical element.Term "and/or" used herein includes what one or more correlations were listed
Any and all combination of project.
Fig. 1 provides the schematic diagram of the alignment system 100 according to an embodiment of the present invention.As shown in figure 1, alignment system
100 exemplarily including locating base station BS1, BS2 and BS3, device MS1 to MS6 to be positioned, and roll-call sender unit
CST and answer signal reception device ASR.In one embodiment, part or all of into MS6 of device MS1 to be positioned can be with
It is moved in the Ra of area to be targeted, and locating base station BS1, BS2 and BS3, roll-call sender unit CST and answer signal connect
Receiving apparatus ASR, which matches, is placed on area to be targeted Ra.Wherein, roll-call sender unit CST to it is all possibly be present at it is to be positioned
Device to be positioned in the Ra of region, i.e., device MS1 to MS6 transmittings roll-call signal to be positioned, treating in the Ra of area to be targeted
Positioner is received after roll-call signal to answer signal reception device ASR transmitting answer signals.In the embodiment shown in fig. 1,
Device MS1, MS3 and MS5 to be positioned are in the Ra of area to be targeted, and therefore, device MS1, MS3 and MS5 to be positioned can distinguish
Roll-call signal CS1, CS3 and CS5 of roll-call sender unit CST transmittings are received, and respectively to answer signal reception device
ASR transmitting answer signals AS1, AS3 and AS5；And device MS2, MS4 and MS6 to be positioned are not in the Ra of area to be targeted, because
This, device MS2, MS4 and MS6 to be positioned can not receive roll-call sender unit CST transmitting roll-call signal CS2, CS4 and
CS6, so that answer signal will not be launched to answer signal reception device ASR.
Answer signal reception device ASR determines to be positioned in the Ra of area to be targeted according to the quantity of the answer signal received
The quantity of device.Further, answer signal reception device ASR can also recognize each answer signal received respectively from which
A little devices to be positioned, i.e., determine the identity of device to be positioned in area to be targeted according to answer signal, should as what is received
Answer the signal corresponding device distribution positioning signal transmitting-receiving period to be positioned.
In one embodiment, the identity information of itself is carried in the answer signal of each device transmitting to be positioned so that
Answer signal reception device ASR can recognize which corresponding device to be positioned of each answer signal received.Again in a reality
Apply in example, alignment system is all device to be positioned distribution roll-call response transmitting-receiving periods, and roll-call sender unit CST is every
Roll-call signal is sent to corresponding device to be positioned in the individual roll-call response transmitting-receiving period, alignment system is believed according to the response received
The roll-call response transmitting-receiving period residing for number identifies the identity information of corresponding device to be positioned.In one embodiment, call the roll
The duration of response transmitting-receiving period is propagated more than or equal to corresponding roll-call signal from corresponding roll-call sender unit CST positions
In the propagation time of roll-call sender unit CST highest distance positions described in distance into corresponding area to be targeted, answered along with corresponding
Answering signal, answer signal reception device ASR highest distance positions propagate to the answer signal described in distance from corresponding area to be targeted
The propagation time of reception device ASR positions, along with device to be positioned receives roll-call signal to transmitting answer signal
Response time.
In one embodiment, roll-call sender unit CST is likely to occur by wireless channel into area to be targeted
Device to be positioned transmitting roll-call signal, answer signal reception device ASR is received at device to be positioned by wireless channel to be answered
Answer signal.In one embodiment, the device to be positioned hair that roll-call sender unit CST is likely to occur into area to be targeted
The roll-call signal penetrated is 2.4G wireless communication signals.Again in one embodiment, device to be positioned is received after roll-call signal
The wireless communication signals for being 2.4G to the answer signal reception device ASR answer signals launched.
Fig. 2 provides the work schedule schematic diagram of the alignment system 100 of embodiment illustrated in fig. 1.By alignment system, 100 pairs are owned
Device to be positioned to complete the timing definition once called the roll be a roll-call cycle T cs.Provided in working timing figure shown in Fig. 2
One roll-call cycle T cs of alignment system 100 work schedule.Contained successively in the roll-call cycle T cs and be with positioning
Wrapped in system 100 in each device to be positioned corresponding roll-call response transmitting-receiving period, the alignment system 100 of embodiment illustrated in fig. 1
Six devices to be positioned are contained, device MS1 to MS6 respectively to be positioned.Under state shown in Fig. 1, in device to be positioned
MS1, MS3 and MS5 are in the Ra of area to be targeted, and are not under other this state of device to be positioned in the Ra of area to be targeted.
As shown in Fig. 2 alignment system 100 is all devices to be positioned, i.e., device MS1 to MS6 to be positioned has been sequentially allocated roll-call should
Transmitting-receiving period T1~T6 is answered, wherein, i-th of (1≤i≤6) device to be positioned corresponding roll-call response transmitting-receiving period is Ti.Call the roll
Sender unit CST receives and dispatches the period in each roll-call response, and period corresponding device to be positioned is received and dispatched to the roll-call response
Launch roll-call signal, when device to be positioned receives the roll-call signal, at the same time or by one section of response time backward should
Answer signal receiving device ASR transmitting answer signals.
As shown in Fig. 2 roll-call sender unit CST is sent out within roll-call response transmitting-receiving period T1 to device MS1 to be positioned
Exit point name signal CS1, device MS1 to be positioned is received after roll-call signal CS1, at the same time or backward by one section of response time
Answer signal reception device ASR launches answer signal AS1, similarly, and roll-call sender unit CST is received in roll-call response respectively
Send out in period T3 and T5 to device MS3 to be positioned and MS5 transmitting roll-call signals CS3 and CS5, device MS3 and MS5 difference to be positioned
Receive after roll-call signal CS3 and CS5, respectively to answer signal reception device at the same time or after one section of response time
ASR transmitting answer signals AS3 and AS5.And in transmitting-receiving period T2, T4 and T6, roll-call sender unit CST is equally sent out respectively
Exit point name signal CS2, CS4 and CS6, because device MS2, MS4 and MS6 to be positioned are not on the roll-call sender unit
In area to be targeted Ra where CST, therefore, it is impossible to receive described roll-call signal CS2, CS4 and CS6, so that also will not be to
Answer signal reception device ASR launches answer signal.Due to answer signal reception device ASR only received device MS1 to be positioned,
The answer signal of MS3 and MS5 transmittings, therefore, alignment system 100 are that device MS1, MS3 and MS5 to be positioned distribute positioning signal
Receive and dispatch the period, without in area to be targeted Ra it is fixed for devices to be positioned distribution that other are not at the area to be targeted Ra
The position signal transmitting and receiving period, the total duration that positioning signal receives and dispatches the period is reduced, so as to improve positioning refresh rate.
Fig. 3 (a) and Fig. 3 (b) provide the positioning for including two areas to be targeted according to an embodiment of the present invention respectively
System 300a and 300b schematic diagram, wherein, what Fig. 3 (a) was provided is the signal under a kind of multiple distributions of device to be positioned
Figure, what Fig. 3 (b) was provided is the schematic diagram under multiple another distributions of device to be positioned.Such as Fig. 3 (a) illustrated embodiments, determine
Position system 300a includes the mutually isolated area to be targeted of two signals, respectively area to be targeted Ra and area to be targeted Rb,
Locating base station BSa1, BSa2 and BSa3, and roll-call sender unit CST-a and response are configured with the Ra of area to be targeted
Signal receiving device ASR-a；Locating base station BSb1, BSb2 and BSb3, and roll-call signal are configured with the Rb of area to be targeted
Emitter CST-b and answer signal reception device ASR-b.In Fig. 3 (a) illustrated embodiments, alignment system 300a includes six
Individual device to be positioned, device MS1 to MS6 respectively to be positioned.In the state of shown in such as Fig. 3 (a), device MS1 to be positioned,
MS2 and MS3 is located in the Ra of area to be targeted, and device MS4, MS5 and MS6 to be positioned are located in the Rb of area to be targeted, now, positioning
System 300a is operated according to embodiment illustrated in fig. 1 similar mode respectively in each area to be targeted.In such as Fig. 3
(b) shown in the state of, device MS1, MS2, MS3 and MS5 to be positioned be located at area to be targeted Ra in, device MS4 to be positioned and
MS6 be located at area to be targeted Rb in, i.e., device MS5 to be positioned from area to be targeted Rb has been moved to area to be targeted Ra, this
When, alignment system 300b is also operated according to embodiment illustrated in fig. 1 similar mode respectively in each area to be targeted.
Fig. 4 (a) provides the work schedule of the alignment system 300a in two areas to be targeted of Fig. 3 (a) illustrated embodiments
Schematic diagram；The work schedule that Fig. 4 (b) provides the alignment system 300b in two areas to be targeted of Fig. 3 (b) illustrated embodiments shows
It is intended to.As shown in Fig. 4 (a), in the Ra of area to be targeted, roll-call sender unit CST-a is respectively when roll-call response is received and dispatched
Section Ta1 launches roll-call signal into Ta6 to device MS1 to MS6 to be positioned, is treated because device MS1, MS2 and MS3 to be positioned are located at
In the Ra of localization region, therefore, device MS1, MS2 and MS3 to be positioned can be respectively received roll-call signal CS1, CS2 and CS3, and
Launch answer signal AS1, AS2 and AS3 to answer signal reception device ASR-a respectively.And device MS4, MS5 and MS6 to be positioned
It is not in the Ra of area to be targeted, therefore roll-call signal can not be received, so that answer signal reception device ASR-a can not be received
To the answer signal from device MS4, MS5 and MS6 to be positioned.In the Ra of area to be targeted, alignment system 300a is only to be undetermined
Position device MS1, MS2 and MS3 distribution positioning signal transmitting-receiving period.Similarly, in the Rb of area to be targeted, roll-call signal transmitting dress
Put CST-b and launch roll-call signal to device MS1 to MS6 to be positioned into Tb6 in roll-call response transmitting-receiving period Tb1 respectively, due to
Device MS4, MS5 and MS6 to be positioned are located in the Rb of area to be targeted, and therefore, device MS4, MS5 and MS6 to be positioned can distinguish
Receive roll-call signal CS4, CS5 and CS6, and respectively to answer signal reception device ASR-a launch answer signal AS4, AS5 and
AS6.And device MS1, MS2 and MS3 to be positioned are not in the Rb of area to be targeted, therefore roll-call signal can not be received, so that
Answer signal reception device ASR-b can not receive the answer signal from device MS1, MS2 and MS3 to be positioned.To be positioned
In the Rb of region, alignment system 300a is only device MS4, MS5 and MS6 to be positioned distribution positioning signal transmitting-receiving period.
In one embodiment, each roll-call signal of roll-call sender unit CST-a and CST-b transmittings is believed for identical
Number form, device to be positioned by receive the time of roll-call signal be in which roll-call response receive and dispatch the period determine whether with from
The corresponding roll-call signal of body, and decide whether with this to be generated and transmitted by answer signal.Again in one embodiment, it is each to be positioned
The answer signal that device is produced is identical signal form, and answer signal reception device ASR-a and ASR-b is believed by receiving response
Number time be in which roll-call response transmitting-receiving period and judge which device to be positioned the answer signal comes from.
State shown in Fig. 3 (b) is with the otherwise of state phase region shown in Fig. 3 (a), and device MS5 to be positioned is to be positioned
Region Rb has been moved in the Ra of area to be targeted, accordingly, Fig. 4 (b) work schedule schematic diagram and the work shown in Fig. 4 (a)
The difference for making time diagram is that device MS5 to be positioned can receive the roll-call signal transmitting dress in the Ra of area to be targeted
The roll-call signal CS5 of CST-a transmittings is put, so as to launch to the answer signal reception device ASR-a in the Ra of area to be targeted
Answer signal AS5, and device MS5 to be positioned can not receive the roll-call sender unit in the Rb of area to be targeted
The roll-call signal CS5 of CST-b transmittings.Therefore, in the Ra of area to be targeted, alignment system 300b be device MS1 to be positioned, MS2,
The MS3 and MS5 distribution positioning signal transmitting-receiving periods；In the Rb of area to be targeted, alignment system 300b be device MS4 to be positioned and
The MS6 distribution positioning signal transmitting-receiving periods.
Fig. 3 (a) and Fig. 3 (b), which are given in the alignment system comprising multiple areas to be targeted, to be determined in each area to be targeted
The embodiment of device to be positioned, the embodiment can be used in alignment system comprising the sub area to be positioned that multiple signals are mutually isolated
In the application scenarios in domain.For example, need to such as be positioned for all employees in whole office block, whole office block equivalent to
Alignment system 300a or alignment system 300b shown in Fig. 3 (a) or Fig. 3 (b), and each office is equivalent to alignment system
Area to be targeted Ra or area to be targeted Rb in 300a or alignment system 300b, and the employee being positioned then exists equivalent to movement
Device to be positioned between each area to be targeted.It therefore, it can realize to it according to the embodiment shown in Fig. 3 (a) or Fig. 3 (b)
Positioning.
Fig. 5 provides the schematic diagram of the alignment system 500 according to an embodiment of the present invention.Embodiment illustrated in fig. 5 includes Fig. 1
The full content of illustrated embodiment, in addition, alignment system 500 also includes isochronous controller SYNC.In one embodiment, respectively treat
Row clock is not entered between positioner synchronous, it is impossible to which correctly identifying the roll-call signal received, whether to belong to itself corresponding
The period is received and dispatched in roll-call response, to decide whether to send answer signal to answer signal reception device ASR.In the present embodiment, together
Walk controller SYNC and launch synchronizing signal SYN to each device to be positioned, each device to be positioned is received and reset after synchronizing signal SYN
Itself clock, so as to realize synchronization.Those skilled in the art should learn, although due to position described in each device to be positioned not
Together, it is caused to receive synchronizing signal SYN time also different, but in one embodiment, when roll-call response is received and dispatched
The duration of section is longer, and the different band of reception synchronizing signal SYN times is come caused by position described in each device to be positioned is different
Synchronous error is negligible.
Embodiment illustrated in fig. 5 according to embodiment illustrated in fig. 1 working method, alignment system 500 be device MS1 to be positioned,
After the MS3 and MS5 distribution positioning signal transmitting-receiving periods, alignment system 500 will inform that device MS1, MS3 and MS5 to be positioned are each right
The positioning signal transmitting-receiving period answered.In one embodiment, row clock is not entered between each device to be positioned synchronous, it is impossible to correctly
In the positioning signal transmitting-receiving sub-period transmitting positioning signal of itself.In the present embodiment, isochronous controller SYNC is to each to be positioned
Device launches synchronizing signal SYN, and each device to be positioned, which is received, resets itself clock after synchronizing signal SYN, so as to realize synchronization.
Those skilled in the art should learn, although because position described in each device to be positioned is different, cause it to receive synchronizing signal
SYN time is also different, but in one embodiment, the duration of positioning signal transmitting-receiving period is longer, because each to be positioned
The synchronous error that the different band of reception synchronizing signal SYN times is come caused by position described in device is different is negligible.
Fig. 6 provides the synchronous working sequential signal of the alignment system 500 in an area to be targeted of embodiment illustrated in fig. 5
Figure, as shown in fig. 6, alignment system 500 be device MS1, MS3 and MS5 to be positioned distribute respectively positioning signal transmitting-receiving period Ts1,
Ts2 and Ts3, positioning signal receives and dispatches when a length of Ts of total period.Device MS1, MS3 and MS5 to be positioned determine in corresponding respectively
Launch positioning signal S1, S3 and S5 in position signal transmitting and receiving period Ts1, Ts2 and Ts3, locating base station BS1, BS2 and BS3 are by connecing
The time for receiving positioning signal belongs to which positioning signal transmitting-receiving period to recognize which dress to be positioned is the positioning signal come from
Put, so as to realize the positioning to it.
Fig. 7 provides the stream of the method 700 of device to be positioned in the determination area to be targeted according to an embodiment of the present invention
Cheng Tu, including：
Step 701：Roll-call sender unit CST is respectively in all dresses to be positioned that possibly be present in area to be targeted
Put corresponding roll-call response and receive and dispatch the period to device to be positioned transmitting roll-call signal；
Step 702：Each device to be positioned is received after roll-call signal, to answer signal reception device ASR transmitting response letters
Number；
Step 703：The quantity for the answer signal that alignment system is received according to answer signal determines to treat in area to be targeted
The quantity of positioner.
In one embodiment, answer signal reception device ASR can also recognize that each answer signal received comes respectively
From which device to be positioned, i.e., the identity of device to be positioned in area to be targeted is determined according to answer signal, as receiving
The answer signal corresponding device to be positioned distribution positioning signal transmitting-receiving period.
In one embodiment, this method is also included for all devices to be positioned that possibly be present in area to be targeted point
Received and dispatched the period with roll-call response, and roll-call signal is sent in each roll-call response transmitting-receiving period；And according to area to be targeted
Each device to be positioned of middle appearance receives and dispatches the answer signal sent in the period in response to roll-call signal in corresponding roll-call response
The residing roll-call response transmitting-receiving period recognizes the identity of each device to be positioned.
In yet another embodiment, when this method also includes carrying out each device to be positioned occurred in area to be targeted
Clock is synchronous, so that each device to be positioned identifies the corresponding roll-call response transmitting-receiving period.
In one embodiment, be loaded with the answer signal that device to be positioned is sent in response to roll-call signal with it is to be positioned
The corresponding identity information of device is identified with the identity for treating positioner.
Fig. 8 provides the flow chart for treating the method 800 that positioner is positioned according to an embodiment of the present invention, bag
Include：
Step 801：Determine the quantity and identity of the device to be positioned in area to be targeted；
In one embodiment, determine the method for device quantity and identity to be positioned in area to be targeted according to shown in Fig. 7
Embodiment is carried out.
Step 802：Period is received and dispatched according to the positioning signal that the quantity of device to be positioned distributes respective numbers；
Step 803：Device to be positioned is made to launch positioning signal within the corresponding positioning signal transmitting-receiving period and make locating base station
Positioning signal is received within the corresponding positioning signal transmitting-receiving period；
Step 804：The residing positioning receiving and transmitting signal period identifies correspondence when receiving positioning signal according to locating base station
Device to be positioned to resolve the positional information of the device to be positioned.
Embodiment disclosed by the invention gives alignment system and the method for determining device to be positioned in area to be targeted,
Each area to be targeted is only the device to be positioned distribution positioning signal transmitting-receiving period in the area to be targeted, without herein
The device to be positioned distribution positioning signal transmitting-receiving period of the area to be targeted is not in area to be targeted for other, is reduced
Positioning signal receives and dispatches the total duration of period, so as to improve positioning refresh rate.
As the above mentioned, although have illustrated and described the preferred embodiments of the present invention, but without departing substantially from this hair
In the case of bright spirit and scope, many changes can be carried out.Thus, the scope of the present invention is not by the open institute of preferred embodiment
Limitation.But, the present invention should be determined entirely by reference to following claims.
Claims (13)
1. a kind of method of device to be positioned in determination area to be targeted, including：
Roll-call signal is sent to all devices to be positioned that possibly be present in area to be targeted；
Receive the answer signal that all devices to be positioned occurred in area to be targeted are sent in response to roll-call signal；And
The quantity of device to be positioned in area to be targeted is determined according to the quantity of answer signal.
2. the method as described in claim 1, in addition to：
Receive and dispatch the periods, and called the roll each for all device to be positioned distribution roll-call responses that possibly be present in area to be targeted
Response sends roll-call signal in the transmitting-receiving period；And
According to each device to be positioned occurred in area to be targeted in response to roll-call signal when corresponding roll-call response is received and dispatched
The roll-call response transmitting-receiving period residing for the answer signal sent in section recognizes the identity of each device to be positioned.
3. method as claimed in claim 2, in addition to row clock is entered to each device to be positioned occurred in area to be targeted
It is synchronous, so that each device to be positioned identifies the corresponding roll-call response transmitting-receiving period.
4. loaded in the answer signal that the method for claim 1, wherein device to be positioned is sent in response to roll-call signal
The identity for having the identity information corresponding with device to be positioned to treat positioner is identified.
5. the method for claim 1, wherein quantity of all devices to be positioned that possibly be present in area to be targeted
It is known.
6. the method that positioner is positioned is treated a kind of, including：
Determine the device to be positioned in area to be targeted：
Roll-call signal is sent to all devices to be positioned that possibly be present in area to be targeted；
Receive the answer signal that all devices to be positioned occurred in area to be targeted are sent in response to roll-call signal；And
The quantity and identity of device to be positioned in area to be targeted are determined according to answer signal；
Period is received and dispatched according to the positioning signal that the quantity of device to be positioned distributes respective numbers；
Make device to be positioned launch positioning signal within the corresponding positioning signal transmitting-receiving period and make locating base station in corresponding positioning letter
Number transmitting-receiving the period in receive positioning signal；And
The residing positioning signal transmitting-receiving period identifies corresponding device to be positioned when receiving positioning signal according to locating base station
To resolve the positional information of the device to be positioned.
7. method as claimed in claim 6, in addition to：
Receive and dispatch the periods, and called the roll each for all device to be positioned distribution roll-call responses that possibly be present in area to be targeted
Response sends roll-call signal in the transmitting-receiving period；And
According to each device to be positioned occurred in area to be targeted in response to roll-call signal when corresponding roll-call response is received and dispatched
The roll-call response transmitting-receiving period residing for the answer signal sent in section recognizes the identity of each device to be positioned.
8. method as claimed in claim 7, in addition to row clock is entered to each device to be positioned occurred in area to be targeted
It is synchronous, so that each device to be positioned identifies the corresponding roll-call response transmitting-receiving period.
9. method as claimed in claim 6, wherein, loaded in the answer signal that device to be positioned is sent in response to roll-call signal
The identity for having the identity information corresponding with device to be positioned to treat positioner is identified.
10. method as claimed in claim 6, in addition to row clock is entered to each device to be positioned occurred in area to be targeted
It is synchronous, so that each device to be positioned launches positioning signal in the positioning signal transmitting-receiving period of itself.
11. the system that positioner is positioned is treated a kind of, including：
Device to be positioned, sends positioning signal；
Locating base station, receives the positioning signal of device transmission to be positioned and record location signal reaches the temporal information of itself；
All devices to be positioned that possibly be present in area to be targeted are sent roll-call signal by roll-call sender unit；With
And
Answer signal reception device, receives what all devices to be positioned occurred in area to be targeted were sent in response to roll-call signal
Answer signal；
Wherein, the system determines the quantity and identity of device to be positioned in area to be targeted according to answer signal, according to undetermined
The positioning signal transmitting-receiving period of the quantity distribution respective numbers of position device；And device to be positioned is made when corresponding positioning signal is received and dispatched
Launch positioning signal in section and make locating base station receive positioning signal within the corresponding positioning signal transmitting-receiving period；The system also root
The residing positioning receiving and transmitting signal period identifies corresponding device to be positioned to resolve when receiving positioning signal according to locating base station
The positional information of the device to be positioned.
12. system as claimed in claim 11, wherein, the system for it is all possibly be present in area to be targeted it is undetermined
The position device distribution roll-call response transmitting-receiving period；
Roll-call sender unit sends roll-call signal in each roll-call response transmitting-receiving period to corresponding device to be positioned；With
And
The system should in corresponding call the roll in response to roll-call signal according to each device to be positioned occurred in area to be targeted
Answer the identity that the roll-call response residing for the answer signal sent in the transmitting-receiving period receives and dispatches the period and recognizes each device to be positioned.
13. system as claimed in claim 11, wherein, add in the answer signal that device to be positioned is sent in response to roll-call signal
The identity information corresponding with device to be positioned is loaded with so that the identity that the system treats positioner is identified.
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| CN107277916B (en) | 2019-02-01 |
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