CN107295632A - Alignment system and the isochronous controller group network system for alignment system - Google Patents
Alignment system and the isochronous controller group network system for alignment system Download PDFInfo
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- CN107295632A CN107295632A CN201710297293.8A CN201710297293A CN107295632A CN 107295632 A CN107295632 A CN 107295632A CN 201710297293 A CN201710297293 A CN 201710297293A CN 107295632 A CN107295632 A CN 107295632A
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- base station
- locating base
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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Abstract
The invention discloses a kind of isochronous controller group network system for alignment system, including the first isochronous controller, first group of locating base station group, the second isochronous controller, second group of locating base station group, wherein, first locating base station in each locating base station group in first group of locating base station group is coupled to the corresponding interface of the first isochronous controller to receive synchronizing signal and the synchronous transmission of signal received to the locating base station in the locating base station group；Second isochronous controller is coupled in the first isochronous controller or first group of locating base station group any one locating base station to receive synchronizing signal；First locating base station in each locating base station group in second group of locating base station group is respectively coupled to the second isochronous controller to receive synchronizing signal.Alignment system disclosed by the invention can include large number of locating base station, realize the extension of area to be targeted, be classified and cascaded using isochronous controller, shortened the data back cycle, improve positioning real-time.
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.
Conventional location algorithm has TOA (Time of Arrival, arrival time) location algorithms and TDOA (Time
Difference of Arrival, reaching time-difference) location algorithm.Wherein, TOA location algorithms need target to be positioned with determining
Accurate clock is synchronous between the base station of position, and the clock that TDOA is only needed between locating base station is synchronous, reduces the complexity of alignment system
Degree, therefore, TDOA location algorithms are widely used at present.In the prior art for synchronization side conventional between each locating base station
Method mainly has two kinds, and one is each self-contained accurate synchronised clock in each locating base station, such as atomic clock, this method cost
It is higher, and need periodically to carry out clock check to it；Two be the synchronous letter in the synchronous signal transmission between each locating base station, the method
Number generally produced by isochronous controller, but in actual application scenarios, the locating base station number included in alignment system is more
When, an isochronous controller is difficult the whole locating base stations of covering.Therefore, in alignment system of the research comprising numerous locating base stations
Isochronous controller networking plan, is those skilled in the art's urgent problem to be solved.
The content of the invention
A kind of isochronous controller group network system for alignment system of the invention, including the first isochronous controller, first group
Locating base station group, the second isochronous controller and second group of locating base station group.First isochronous controller has m interface, wherein,
M is positive integer, wherein, the first isochronous controller provides synchronizing signal by a interface.First group of locating base station group includes a
Each locating base station group in locating base station group, first group of locating base station group includes at least one locating base station, determines when one
When position group of base stations includes multiple locating base stations, coupled between multiple locating base stations in the locating base station group by connection line,
Wherein, first locating base station in each locating base station group in first group of locating base station group is respectively coupled to the first synchronous control
The corresponding interface in a interface of device processed is to receive synchronizing signal and the synchronizing signal received is transferred to by connection line
Locating base station in the locating base station group.Second isochronous controller, with n interface, wherein, n is positive integer, wherein, second
One interface of isochronous controller is coupled to an interface not with first group of locating base station group coupling for the first isochronous controller
Or any one locating base station is to receive synchronizing signal in first group of locating base station group, the second isochronous controller is according to the same of reception
Walk signal and provide synchronizing signal in b interface, wherein b is the positive integer less than or equal to n-1.Second group of locating base station group includes
Each locating base station group in b locating base station group, second group of locating base station group includes at least one locating base station, when one
When locating base station group includes multiple locating base stations, connection line coupling is passed through between multiple locating base stations in the locating base station group
Connect, wherein, it is same that first locating base station in each locating base station group in second group of locating base station group is respectively coupled to second
The corresponding interface in b interface of controller is walked to receive synchronizing signal and pass the synchronizing signal received by connection line
It is defeated by the locating base station in the locating base station group.Wherein, when the first isochronous controller also not with first group of locating base station group coupling
The interface connect provides synchronizing signal and one not coupled with second group of locating base station group of the second isochronous controller connects
Mouth is coupled to the interface not coupled with first group of locating base station group of the first isochronous controller to receive during synchronizing signal,
A is the positive integer less than or equal to m-1；When an interface of the second isochronous controller is coupled in first group of locating base station group arbitrarily
One locating base station is to receive during synchronizing signal, and a is the positive integer less than or equal to m.
On the other hand, the invention discloses a kind of alignment system, the device to be positioned, first same of transmitting positioning signal is included
Walk controller, first group of locating base station group, the second isochronous controller and second group of locating base station group.Wherein, the first synchronous control
Utensil processed has m interface, wherein, m is positive integer, wherein, the first isochronous controller provides synchronizing signal by a interfaces.First
Each locating base station group that group locating base station group is included in a locating base station group, first group of locating base station group includes at least one
Individual locating base station, when a locating base station group includes multiple locating base stations, multiple locating base stations in the locating base station group it
Between coupled by connection line, wherein, first locating base station in each locating base station group in first group of locating base station group
The corresponding interface in a interface of the first isochronous controller is respectively coupled to receive synchronizing signal and believe the synchronization received
The locating base station in the locating base station group, and each positioning base in first group of locating base station group number are transferred to by connection line
Stand to receive the positioning signal and the temporal information for receiving positioning signal is back into first by connection line and synchronously control
Device processed.Second isochronous controller has n interface, wherein, n is positive integer, wherein, an interface coupling of the second isochronous controller
It is connected in the interface not coupled with first group of locating base station group of the first isochronous controller or first group of locating base station group and appoints
A locating base station of anticipating is to receive synchronizing signal, and the second isochronous controller is provided according to the synchronizing signal of reception in b interface
Synchronizing signal, wherein b are the positive integer less than or equal to n-1.Second group of locating base station group includes b locating base station group, second group
Each locating base station group in locating base station group includes at least one locating base station, when a locating base station group is including multiple fixed
During the base station of position, coupled between multiple locating base stations in the locating base station group by connection line, wherein, second group of locating base station
First locating base station in each locating base station group in group is respectively coupled to the phase in b interface of the second isochronous controller
Interface is answered to receive synchronizing signal and the synchronizing signal received is transferred to determining in the locating base station group by connection line
Each locating base station in position base station, and second group of locating base station group receives the positioning signal and will receive positioning signal
Temporal information the second isochronous controller is back to by connection line.Wherein, when the first isochronous controller is not also with first
One interface of group locating base station group coupling provide synchronizing signal and the second isochronous controller not with second group of locating base station
One interface of group coupling be coupled to the first isochronous controller this not with interface of first group of locating base station group coupling with
When receiving synchronizing signal, a is the positive integer less than or equal to m-1；When an interface of the second isochronous controller is coupled to first group
Any one locating base station is to receive during synchronizing signal in locating base station group, and a is the positive integer less than or equal to m.
The beneficial effects of the invention are as follows the transmission of synchronizing signal and the passback time-sharing multiplex same link of data are reduced
System complexity, meanwhile, transmission reliability is improved using Wireline synchronous signal transmission and return data, and avoid making
Signal transmitting terminal and receiving terminal include wireless transmission and/or reception device, have saved cost.In addition, positioning disclosed by the invention
System can include large number of locating base station, the extension of area to be targeted be realized, while being classified using isochronous controller
Cascade, shortens the data back cycle, so as to shorten locating periodically, improves positioning real-time, add in alignment system
The capacity of device to be positioned.
Brief description of the drawings
Fig. 1 provides the schematic diagram of isochronous controller group network system 100 in the alignment system according to an embodiment of the present invention；
Fig. 2 provides the work schedule schematic diagram of the isochronous controller group network system 100 of embodiment illustrated in fig. 1；
Fig. 3 provides the schematic diagram of the isochronous controller internal structure 300 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 isochronous controller group network system 100 in the alignment system according to an embodiment of the present invention.
As shown in figure 1, alignment system includes device MS to be positioned, locating base station BS, isochronous controller SYNC and location-server LS.
Wherein, device MS to be positioned launches positioning signal S to locating base station BS；Locating base station BS receives positioning signal S, and record location
Signal S reaches the temporal information of itself, in addition, the temporal information is sent to isochronous controller SYNC by locating base station BS；Together
Step controller SYNC receives the positioning signal S arrival time information that each locating base station BS is sent, and the arrival time is believed
Breath is sent to location-server LS；Location-server LS utilizes the arrival time information that isochronous controller SYNC is sent, and utilizes
TDOA (Time Deference of Arrival, reaching time-difference) location algorithm resolves device MS to be positioned positional information.
On the other hand, isochronous controller SYNC controls each locating base station BS clock synchronous, and each positioning base is reached to obtain positioning signal S
Stand BS precise time it is poor.In one embodiment, alignment system includes isochronous controller SYNC-a and isochronous controller SYNC-
B, isochronous controller SYNC-a and isochronous controller SYNC-b include m interface respectively.The each of isochronous controller SYNC-a connects
Mouth is sequentially connected in series n locating base station BS with Wireline respectively, isochronous controller SYNC-a m-th of interface tandem last
Individual locating base station BSam-n connects isochronous controller SYNC-b interface 1 with Wireline.The type of the Wireline according to
The type of synchronizing signal is selected, for example, synchronizing signal is optical signal, then Wireline is optical fiber；Synchronizing signal is ultra-wide
Band signal, then Wireline is coaxial line or twisted-pair feeder.It should be appreciated by those skilled in the art that in another embodiment, it is fixed
Position system can include more than two isochronous controller SYNC, and each isochronous controller SYNC can be comprising same number or not
With the interface of number, alignment system regard one in multiple isochronous controller SYNC as main isochronous controller, despotic synchronization control
Each interface of device processed is respectively with the locating base station BS of Wireline series connection same number or different numbers, one or more interfaces
Last locating base station BS of series connection is connected on the interface of secondary synchronization controller of corresponding number, the secondary synchronization control
The locating base station BS of the identical or different number of other interface tandems of device processed, according to the actual location demand of alignment system, two grades
Isochronous controller equally can connect next stage Synchronization Control in the way of main isochronous controller connection secondary synchronization controller
Device, by that analogy.In yet another embodiment, isochronous controller SYNC comprising not with locating base station or secondary synchronization controller phase
The interface of connection.
In the embodiment shown in fig. 1, isochronous controller SYNC-a by interface 1 to interface m respectively to connected
Locating base station BSa1-1 to BSam-1 transmission synchronizing signal.In one embodiment, synchronizing signal can be identical signal
Can also be different signals, when synchronizing signal is different signals, synchronizing signal has known transmitting sequential relationship.Institute
State locating base station BSa1-1 to BSam-1 has two interfaces respectively, wherein, an interface receives synchronous control by Wireline
The synchronizing signal that device processed is sent, and via locating base station internal wiring be sent to by another interface it is connected next
Locating base station, by that analogy.In the embodiment shown in fig. 1, when synchronous transmission of signal to isochronous controller SYNC-a interface m phases
During last locating base station BSam-n of connection, locating base station BSam-n is by Wireline by synchronous transmission of signal to synchronization
Controller SYNC-b interface 1, isochronous controller SYNC-b receives the synchronizing signal of locating base station BSam-n transmission from interface 1
Afterwards, at the same time, or the one known time of interval by isochronous controller SYNC-b interface 2 to interface m to being attached thereto
Locating base station BSb2-1 to the BSbm-1 transmission synchronizing signals connect.In one embodiment, synchronizing signal can be identical letter
Number can also be different signals, when synchronizing signal is different signals, synchronizing signal has known transmitting sequential relationship.
The locating base station BSb2-1 to BSbm-1 is to connected next locating base station synchronous signal transmission, up to last
Locating base station receives synchronizing signal.
Isochronous controller and the networking mode of locating base station can have a variety of, in one embodiment, and synchronizing signal can be with
The a certain interface of secondary synchronization controller is directly transferred to from a certain interface of isochronous controller；In another embodiment, certain
One locating base station has more than two interfaces, after the locating base station is from a certain interface to synchronizing signal, via remaining
Port is to one or more secondary synchronization controllers and/or locating base station synchronous signal transmission.Those skilled in the art should manage
The isochronous controller and the networking mode of locating base station mentioned in solution, all above embodiment can appoint in same alignment system
Meaning combination.
Fig. 2 provides the work schedule schematic diagram of the isochronous controller group network system 100 of embodiment illustrated in fig. 1.By Fig. 1 institutes
Show that locating base station is numerous in embodiment, describes for convenience, only gived in Fig. 2 in embodiment illustrated in fig. 1 with isochronous controller
The locating base station BSam-1 that SYNC-a interface m is connected is connected to BSam-n and with isochronous controller SYNC-b interface 2
The locating base station BSb2-1 to BSb2-n connect work schedule.In one embodiment, isochronous controller SYNC total interface
It is the work side for the locating base station being connected with isochronous controller SYNC remaining interface in concurrent working, embodiment illustrated in fig. 1
Formula is identical with the working method of locating base station in Fig. 2.Alignment system is that each device MS to be positioned is assigned with corresponding positioning week
Locating periodically T work schedule is given in phase T, the working timing figure shown in Fig. 2.The locating periodically T divides successively again
For synchronous period T-SYN, positioning signal reception period Tr and data back period Tb, data back period Tb is divided into n again
Data back sub-period Tb1 to Tbn, the number of data back sub-period is equal in alignment system and all isochronous controller SYNC
The number of most locating base stations that is connected of total interface.
In synchronous period T-SYN, the step of according to embodiment illustrated in fig. 1, make all locating base station BS in alignment system
All receive synchronizing signal.The method that locating base station BS calibrates itself clock by receiving synchronizing signal has a variety of, is this area
Common knowledge, be not the present invention emphasis where, be not repeated here herein.It is synchronous in the clock for completing each locating base station BS
Afterwards, into positioning period Tr, alignment system control corresponds to the device MS to be positioned transmitting positioning signal S of the locating periodically,
Each locating base station BS receives positioning signal S, and record location signal S reaches the temporal information of itself, when distance in alignment system
When locating base station farthest device MS to be positioned receives positioning signal S, terminate positioning period Tr.Those skilled in the art should
Understand, due to spatial occlusion and signal attenuation, not all locating base station BS can receive positioning signal S, similarly,
Locating base station farthest distance device MS to be positioned, which also differs, in alignment system surely receives positioning signal S, now, positioning system
System can provide the maximum transmission time corresponding to a positioning signal maximum transmitted length according to the scope of area to be targeted,
In one embodiment, area to be targeted is rectangle, then positioning signal maximum transmitted length is the catercorner length of the rectangle,
Maximum transmission time can be tried to achieve according to positioning signal S spread speed.Then, into data back period Tb, base is respectively positioned
The record location signal S that stands is reached after the temporal information of itself, need to return the time to its corresponding each isochronous controller SYNC
Information, in one embodiment, return data also include the identity information of locating base station itself, so that corresponding Synchronization Control
Device SYNC learns which locating base station is the temporal information received come from.The data back period, Tb was divided into n data back
Sub-period, corresponds to the different locating base stations connected from an isochronous controller SYNC interface respectively, and above-mentioned locating base station is in
In same data back link, in order to prevent the conflict in transmitting procedure, each data back sub-period only returns the data
Return the return data of the corresponding locating base station of sub-period.As shown in Fig. 2 data back sub-period Tb1 correspondence locating base stations
Bsam-1 and locating base station BSb2-1, it will be appreciated by those skilled in the art that the data of locating base station are only back to and the positioning
In first isochronous controller of base station connection, the isochronous controller does not pass the data to the isochronous controller of upper level
Defeated, therefore, locating base station Bsam-1 and locating base station BSb2-1 are in different data back links, can be shared same
Data back sub-period Tb1, and data transmission conflict can't be caused.Locating base station Bsam-1 and locating base station BSb2-1 are in number
During passback sub-period Tb1, the corresponding interface for the isochronous controller that respective return data is transmitted separately to be attached thereto.
Data back sub-period Tb2 correspondences locating base station Bsam-2 and locating base station BSb2-2, locating base station Bsam-2 and locating base station
BSb2-2 return data is transmitted to synchronous control by the locating base station Bsam-1 and locating base station BSb2-1 that are attached thereto respectively
The corresponding interface of device processed.Similarly, data back sub-period Tbn correspondences locating base station Bsam-n and locating base station BSb2-n, fixed
The locating base station Bsam- (n-1) ... of position base station Bsam-n and locating base station BSb2-n return data respectively by being attached thereto
Bsam-1 and locating base station Bsb2- (n-1) ... Bsb2-1 are transmitted to the corresponding interface of isochronous controller.Until isochronous controller
SYNC is received after connected all locating base station BS return data, terminates data back period Tb.Synchronization Control
The return data of each locating base station received is sent to location-server LS by device SYNC again.
Fig. 3 provides the schematic diagram of the internal structure 300 of the secondary synchronization controller according to an embodiment of the present invention, described
Secondary synchronization controller includes synchronizing signal generation module 301, data reception module 302, data transmission module 303 and interface
1 to interface m.The locating base station transmission that interface 1 is received from higher level's isochronous controller or is connected with higher level's isochronous controller
Higher level synchronizing signal SYN, and higher level's synchronizing signal SYN is transmitted to synchronizing signal generation module 301, synchronizing signal produces mould
At the same time or one known time of interval produces synchronizing signal SYN2 ... block 301 is received after higher level's synchronizing signal SYN,
SYNm, and be transmitted separately to interface 2 to interface m, the synchronizing signal SYN2 ... SYNm can be identical signal or unlike signal,
If synchronizing signal is unlike signal, with known transmission timing relation.Data reception module 302 is via interface 2 to interface m
Return data D21~D2n ... Dm1~Dmn respectively with interface 2 to the interface m locating base stations being connected is received, is packed simultaneously
Data transmission module 303 is sent to, data transmission module 303 transfers data to positioning via Wireline or radiolink again
Server.In one embodiment, data transmission module 303 can be network interface, USB port, bluetooth etc..
In one embodiment, the internal structure of main isochronous controller and embodiment illustrated in fig. 3 are essentially identical, and it is distinguished
In interface 1 does not receive higher level synchronizing signal SYN, and synchronizing signal generation module 301 produces identical or different synchronizing signal
SYN1 ... SYNm are simultaneously respectively sent to interface 1 to interface m, and interface 1 is transmitted as other interfaces to data reception module 302
Return data D11~the D1n for the locating base station being connected with interface 1.
Embodiment disclosed by the invention gives a kind of isochronous controller and the group network system of locating base station, wherein, it is synchronous
The transmission of signal and the passback time-sharing multiplex same link of data, reduce system complexity, meanwhile, transmitted using Wireline
Synchronizing signal and return data improve transmission reliability, and avoid making signal transmitting terminal and receiving terminal include wireless transmission
And/or reception device, save cost.In addition, alignment system disclosed by the invention can include large number of locating base station,
The extension of area to be targeted is realized, is cascaded while being classified using isochronous controller, the data back cycle is shortened, so as to shorten
Locating periodically, improves positioning real-time, adds the capacity of device MS to be positioned in alignment system.
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 (12)
1. a kind of isochronous controller group network system for alignment system, including：
First isochronous controller, with m interface, wherein, m is positive integer, wherein, the first isochronous controller passes through a interface
Synchronizing signal is provided；
Each locating base station group in first group of locating base station group, including a locating base station group, first group of locating base station group is wrapped
At least one locating base station is included, it is multiple fixed in the locating base station group when a locating base station group includes multiple locating base stations
Position is coupled between base station by connection line, wherein, first in each locating base station group in first group of locating base station group
Locating base station is respectively coupled to the corresponding interface in a interface of the first isochronous controller to receive synchronizing signal and receiving
Synchronizing signal locating base station in the locating base station group is transferred to by connection line；
Second isochronous controller, with n interface, wherein, n is positive integer, wherein, an interface coupling of the second isochronous controller
It is connected in the interface not coupled with first group of locating base station group of the first isochronous controller or first group of locating base station group and appoints
A locating base station of anticipating is to receive synchronizing signal, and the second isochronous controller is provided according to the synchronizing signal of reception in b interface
Synchronizing signal, wherein b are the positive integer less than or equal to n-1；And
Each locating base station group in second group of locating base station group, including b locating base station group, second group of locating base station group is wrapped
At least one locating base station is included, it is multiple fixed in the locating base station group when a locating base station group includes multiple locating base stations
Position is coupled between base station by connection line, wherein, first in each locating base station group in second group of locating base station group
Locating base station is respectively coupled to the corresponding interface in b interface of the second isochronous controller to receive synchronizing signal and receiving
Synchronizing signal locating base station in the locating base station group is transferred to by connection line；
Wherein, when the first isochronous controller also provides synchronizing signal in an interface not with first group of locating base station group coupling
And second isochronous controller the institute for not being coupled to the first isochronous controller with an interface of second group of locating base station group coupling
An interface not with first group of locating base station group coupling is stated to receive during synchronizing signal, a is the positive integer less than or equal to m-1；
When an interface of the second isochronous controller is coupled in first group of locating base station group any one locating base station to receive synchronization
During signal, a is the positive integer less than or equal to m.
2. it is used for the isochronous controller group network system of alignment system as claimed in claim 1, wherein, alignment system includes transmitting
Each locating base station in the device to be positioned of positioning signal, first group of locating base station group receives the positioning signal and will connect
Receive positioning signal temporal information be back to by connection line it is every in the first isochronous controller, second group of locating base station group
Individual locating base station receives the positioning signal and will receive the temporal information of positioning signal is back to by connection line
Two isochronous controllers.
3. it is used for the isochronous controller group network system of alignment system as claimed in claim 2, wherein, alignment system is positioning base
Each locating base station in group of standing distributes nonoverlapping data back period, in a locating base station corresponding data back period
In, only returned in the locating base station link being connected by connection line with the locating base station and isochronous controller corresponding interface
The positioning signal temporal information that the locating base station is received.
4. it is used for the isochronous controller group network system of alignment system as claimed in claim 2, wherein, alignment system includes transmitting
Multiple devices to be positioned of positioning signal, alignment system distributes corresponding locating periodically for each device to be positioned.
5. it is used for the isochronous controller group network system of alignment system as claimed in claim 1, wherein, the second isochronous controller
One interface is coupled to the interface not coupled with first group of locating base station group of the first isochronous controller by Wireline
Or any one locating base station in first group of locating base station group.
6. it is used for the isochronous controller group network system of alignment system as claimed in claim 1, wherein, the first isochronous controller
Sequential relationship known to having between the synchronizing signal that each interface is provided, and each interface offer of the second isochronous controller
There is known sequential relationship between synchronizing signal.
7. it is used for the isochronous controller group network system of alignment system as claimed in claim 1, wherein, when first group of locating base station
It is many in the locating base station group when any one locating base station group includes multiple locating base stations in group or second group of locating base station group
By connection line coupled in series between individual locating base station, and first locating base station in the locating base station group will be received
Synchronizing signal is transferred to the locating base station in the locating base station group by connection line successively.
8. a kind of alignment system, including：
Launch the device to be positioned of positioning signal；
First isochronous controller, with m interface, wherein, m is positive integer, wherein, the first isochronous controller is carried by a interfaces
For synchronizing signal；
Each locating base station group in first group of locating base station group, including a locating base station group, first group of locating base station group is wrapped
At least one locating base station is included, it is multiple fixed in the locating base station group when a locating base station group includes multiple locating base stations
Position is coupled between base station by connection line, wherein, first in each locating base station group in first group of locating base station group
Locating base station is respectively coupled to the corresponding interface in a interface of the first isochronous controller to receive synchronizing signal and receiving
Synchronizing signal locating base station in the locating base station group is transferred to by connection line, it is and every in first group of locating base station group
Individual locating base station receives the positioning signal and will receive the temporal information of positioning signal is back to by connection line
One isochronous controller；
Second isochronous controller, with n interface, wherein, n is positive integer, wherein, an interface coupling of the second isochronous controller
It is connected in the interface not coupled with first group of locating base station group of the first isochronous controller or first group of locating base station group and appoints
A locating base station of anticipating is to receive synchronizing signal, and the second isochronous controller is provided according to the synchronizing signal of reception in b interface
Synchronizing signal, wherein b are the positive integer less than or equal to n-1；And
Each locating base station group in second group of locating base station group, including b locating base station group, second group of locating base station group is wrapped
At least one locating base station is included, it is multiple fixed in the locating base station group when a locating base station group includes multiple locating base stations
Position is coupled between base station by connection line, wherein, first in each locating base station group in second group of locating base station group
Locating base station is respectively coupled to the corresponding interface in b interface of the second isochronous controller to receive synchronizing signal and receiving
Synchronizing signal locating base station in the locating base station group is transferred to by connection line, it is and every in second group of locating base station group
Individual locating base station receives the positioning signal and will receive the temporal information of positioning signal is back to by connection line
Two isochronous controllers；
Wherein, when the first isochronous controller also provides synchronizing signal in an interface not with first group of locating base station group coupling
And second isochronous controller the institute for not being coupled to the first isochronous controller with an interface of second group of locating base station group coupling
An interface not with first group of locating base station group coupling is stated to receive during synchronizing signal, a is the positive integer less than or equal to m-1；
When an interface of the second isochronous controller is coupled in first group of locating base station group any one locating base station to receive synchronization
During signal, a is the positive integer less than or equal to m.
9. alignment system as claimed in claim 8, wherein, an interface of the second isochronous controller is coupled by Wireline
It is any into the interface not coupled with first group of locating base station group of the first isochronous controller or first group of locating base station group
One locating base station.
10. alignment system as claimed in claim 8, wherein, alignment system is each locating base station point in locating base station group
With nonoverlapping data back period, in a locating base station corresponding data back period, by connection line with it is described
Only return what the locating base station was received in the locating base station link that locating base station is connected with isochronous controller corresponding interface
Positioning signal temporal information.
11. alignment system as claimed in claim 8, in addition to location-server, location-server is from the first isochronous controller
The positioning signal temporal information that each locating base station is sent is received with the second isochronous controller, and according to positioning signal temporal information solution
Calculate the positional information of device to be positioned.
12. it is used for the isochronous controller group network system of alignment system as claimed in claim 8, wherein, when first group of positioning base
When any one locating base station group includes multiple locating base stations in group of standing or second group of locating base station group, in the locating base station group
By connection line coupled in series between multiple locating base stations, and first locating base station in the locating base station group will be received
Synchronizing signal be transferred to locating base station in the locating base station group successively by connection line.
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