CN102706356B - A kind of method of path navigation, base station, core net and system - Google Patents
A kind of method of path navigation, base station, core net and system Download PDFInfo
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- CN102706356B CN102706356B CN201210169859.6A CN201210169859A CN102706356B CN 102706356 B CN102706356 B CN 102706356B CN 201210169859 A CN201210169859 A CN 201210169859A CN 102706356 B CN102706356 B CN 102706356B
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Abstract
The invention discloses a kind of method of path navigation, base station, core net and system, main contents include：Terminal iidentification is contained according to received, source address and the navigation requests of destination address, determine the guidance path from source address to destination address, and determine the subpath in each base station range of guidance path approach, and the set of paths of the subpath generation in each base station range that will be determined and terminal iidentification send jointly to the base station, when the base station detects that the corresponding terminal of the terminal iidentification is accessed, congestion status in the set of paths for receiving are met and is imposed a condition, the subpath of approach terminal present position is sent to terminal as navigation information, realize the path navigation to terminal, so avoiding path location navigation mode in prior art, to there is guidance path mode single, the problem of very flexible.
Description
Technical field
The present invention relates to mobile terminal navigation field, more particularly to a kind of method of path navigation, base station, core net and it is
System.
Background technology
In wireless communication network system, especially in LTE wireless communication systems, with the continuous expansion of service bandwidth
Exhibition so that data business volume is also improved in signal transmission, thus provides for the larger communication service of data volume demand
Development platform, for example：Path navigation business, is no longer solely realized by the navigator of specialty, but can moved
Realized by communication network between terminal and platform side.At present, mobile terminal carries out path navigation using location navigation software
Mode has two kinds：One kind is using gps satellite location navigation；Another kind is navigated using architecture.Wherein：
The first gps satellite location navigation mode：
Gps satellite location navigation is the map of the latitude and longitude information and mobile terminal storage inside provided using gps satellite
Information is compared, and determines the particular location of mobile terminal.
In due to existing mobile terminal, GPS chip is much all embedded in, the function with GPS location navigation, by moving
The GPS of dynamic terminal built-in realizes that location navigation has convenient and ease of use, but, only built-in GPS cores of mobile terminal
Piece could be navigated using GPS location, that is to say, that when using gps satellite location navigation, and the hardware performance of mobile terminal is relative
Comparison is high, and therefore, this mode of gps satellite location navigation is limited by mobile terminal hardware so that range of application is not
Very wide.
Second architecture navigation mode：
Architecture navigation is time delay or base station and the mobile terminal using signal transmission between base station and mobile terminal
The modes such as the Doppler effect that the distance of distance causes, to be measured as the particular location that means determine mobile terminal.
Architecture navigation is applied to various terminals, compensate for the gps satellite location navigation defect higher to demanding terminal,
But, in the prior art, base station needs to obtain the road condition data in coverage cell by way of network, the dimension for generally adopting
The mode of the routing information of shield storage inside is the routing information for updating map data base or cycle renewal storage, there is renewal
Cycle is long, relatively costly, location information problem of low quality.
Furthermore, due to all can only accurately position shifting by gps satellite location navigation mode and architecture navigation mode
The current positional information of dynamic terminal, is determined with reference to the cartographic information for itself storing and the positional information by mobile terminal afterwards and is reached
To the routing information of destination, the possibly most short routing information of the routing information, or major trunk roads routing information etc., but
These information are all static routing informations；When mobile terminal is navigated using the static path information for determining, driving conditions
In may encounter much different traffics, such as：Traffic jam, vehicle accident etc., therefore, are navigated using GPS location
The routing information that mode and architecture navigation mode are oriented cannot reflect the traffic behavior of road in real time so that orient
Routing information inaccurate.
In sum, there is the guidance path letter of determination in the mode for location navigation being provided for mobile terminal in the prior art
Cease inaccurate problem.
Content of the invention
A kind of method of path navigation, base station, core net and system is embodiments provided, for solving existing skill
In art, path location navigation mode has that the navigation route information of determination is inaccurate.
A kind of method of path navigation, the method include：
Base station receives terminal iidentification and the set of paths that core net sends, and contains guidance path and exist in the set of paths
Subpath in the base station range, the guidance path be core net receive contain terminal iidentification, source address and
During destination address navigation requests, determination from the source address to the operating path of the destination address；
When base station detects that the terminal iidentification counterpart terminal is accessed, congestion status in the set of paths for receiving are met
Impose a condition, terminal is sent to by way of the subpath of terminal present position as navigation information.
A kind of method of path navigation, the method include：
Network side receives navigation requests, includes terminal iidentification, source address and destination address in the navigation requests；
Network side determines at least one base station, the coverage of the base station contain from source address to destination address to
A few bar navigation path；
Laterally each base station sends the terminal iidentification and the set of paths in the base station to network, includes in the set of paths
Subpath of the guidance path in the base station range, indicates arbitrary base station, when detecting the terminal iidentification correspondingly eventually
When terminating into the base station, by the set of paths for receiving congestion status meet impose a condition, by way of terminal present position
Subpath be sent to terminal as navigation information.
A kind of base station, the base station include：
Path receiver module, for receiving terminal iidentification and the set of paths of core net transmission, wraps in the set of paths
Subpath of the guidance path in the base station range is contained, the guidance path is core net contains terminal receiving
Mark, source address and during destination address navigation requests, determination from the source address to the operating path of the destination address；
Navigation module, during for detecting that the terminal iidentification counterpart terminal is accessed, will gather around in the set of paths for receiving
Stifled state meets and imposes a condition, is sent to terminal by way of the subpath of terminal present position as navigation information.
A kind of core net, the core net include：
Navigation requests receiving unit, for receiving navigation requests, in the navigation requests comprising terminal iidentification, source address and
Destination address；
Base station determining unit, for determining at least one base station, the coverage of the base station contain from source address to
At least one guidance path of destination address；
Navigation elements, for sending the set of paths in the terminal iidentification and the base station, the path set to each base station
Contain subpath of the guidance path in the base station range in conjunction, indicate arbitrary base station, when detecting the terminal mark
Know counterpart terminal when accessing the base station, congestion status in the set of paths for receiving are met impose a condition, current by way of terminal
The subpath of position is sent to terminal as navigation information.
A kind of path guiding system, the system include：Base station and core net, wherein：
Base station, for receiving terminal iidentification and the set of paths of core net transmission, contains navigation in the set of paths
Subpath of the path in the base station range, the guidance path are that core net contains terminal iidentification, source receiving
When address and destination address navigation requests, determination from the source address to the operating path of the destination address, and detection
When going out the terminal iidentification counterpart terminal and accessing, congestion status in the set of paths for receiving are met impose a condition, by way of end
The subpath of end present position is sent to terminal as navigation information；
Core net, for receiving navigation requests, includes terminal iidentification, source address and destination address in the navigation requests,
And determine that multiple base stations, the coverage of the base station contain at least one guidance path from source address to destination address,
And the set of paths in the terminal iidentification and the base station is sent to each base station, guidance path is contained in the set of paths
Subpath in the base station range.
The present invention has the beneficial effect that：
The embodiment of the present invention according to the navigation requests for containing terminal iidentification, source address and destination address for receiving, really
Fixed guidance path from source address to destination address, and determine each base station range Nei Zi roads of guidance path approach
The set of paths and terminal iidentification that subpath in footpath, and each base station range that will be determined is generated sends jointly to this
Base station, when the base station detects that the corresponding terminal of the terminal iidentification is accessed, by congestion status in the set of paths for receiving
Satisfaction imposes a condition, the subpath of approach terminal present position is sent to terminal as navigation information, realizes to terminal
Path navigation, so avoid path location navigation mode in prior art exist determination navigation route information inaccurate
Problem.
Description of the drawings
Schematic flow sheets of the Fig. 1 for a kind of method of path navigation of the present embodiment one；
Fig. 2 (a) is the subpath schematic diagram of the guidance path in the approach base station of the terminal that core net determines；
Fig. 2 (b) is the subpath schematic diagram of the guidance path in the approach base station of the terminal that core net determines；
Schematic flow sheets of the Fig. 3 for a kind of method of path navigation of the present embodiment two；
Schematic flow sheets of the Fig. 4 for a kind of method of path navigation of the present embodiment three；
Structural representations of the Fig. 5 for a kind of base station of the present embodiment four；
Structural representations of the Fig. 6 for a kind of core net of the present embodiment five；
Structural representations of the Fig. 7 for a kind of path guiding system of the present embodiment six.
Specific embodiment
In order to realize the purpose of the present invention, a kind of method of path navigation, base station, core net is embodiments provided
And system, according to the navigation requests for containing terminal iidentification, source address and destination address for receiving, determination is from source ground for core net
Guidance path of the location to destination address, and determine the subpath in each base station range of guidance path approach, and will
The set of paths and terminal iidentification that the subpath in each base station range for determining is generated sends jointly to the base station,
When the base station detects that the corresponding terminal of the terminal iidentification is accessed, congestion status in the set of paths for receiving are met and is set
Condition, the subpath of approach terminal present position are sent to terminal as navigation information, realize the path navigation to terminal.
Compared with prior art, during the present invention is implemented when path navigation is provided for terminal, will be feasible for the terminal for determining
The traffic in path is estimated, selects the preferable path of traffic and be sent to terminal, so avoid existing skill
In art, path location navigation mode has that the navigation route information of determination is inaccurate.
It should be noted that base station has prestored the cartographic information of all roads in the base station range, can profit
With existing terminal positioning technology, the traffic flow data of each road in coverage is counted, each traffic flow is set up
Amount data and the data model of traffic congestion probability.
Various embodiments of the present invention are described in detail with reference to Figure of description.
Embodiment one：
As shown in figure 1, the schematic flow sheet of the method for a kind of path navigation of the embodiment of the present invention one, the method bag
Include：
Step 101：Terminal initiates navigation requests to source base station, comprising terminal iidentification and destination in the navigation requests
Location.
In a step 101, the terminal can be mobile terminal, or can carry out between base station information exchange and
There is the mobile device of navigation locating function, terminal here to be not specifically limited.
The destination address can be real place name, or with significant noun, can represent that terminal is wanted
The destination of arrival can, here destination address is not specifically limited.
Step 102：Source base station receives the navigation requests comprising terminal iidentification and destination address of the terminal to report, judges
Whether the destination address carried in the navigation requests is the address in itself coverage, if so, then execution step 103；No
Then, execution step 104.
In a step 102, source base station receives the navigation requests of the terminal to report, according to the purpose carried in navigation requests
Address is compared with locally stored cartographic information, when the destination address is included in locally stored cartographic information, determines
Terminal destination address to be reached is in this base station range；When in locally stored cartographic information do not include the destination
During location, determine terminal destination address to be reached not in this base station range.
Step 103：Source base station determines the positional information of the terminal present position, and determines the positional information pair
At least one subpath of the address that answers to destination address, and therefrom determine that congestion status meet the subpath for imposing a condition and make
Terminal is sent to for navigation information.
In step 103, base station determines that the mode of the positional information of the terminal present position is not limited to following two
Kind：One kind is that base station determines the terminal of initiation navigation requests using existing base station positioning method or GPS location method
Positional information；Another kind is that base station indicates the terminal to report terminal after the navigation requests for receiving the terminal to report
The positional information of present position.
Specifically, source base station determines the corresponding address of the positional information to purpose according to locally stored cartographic information
At least one subpath of address.
Step 104：Source base station sends navigation requests to core net.
Include source address, destination address and terminal iidentification in the navigation requests.
It should be noted that the source address can be the positional information that terminal is currently located, or represent terminal
Start the initial address message (IAM) for asking to carry out path navigation, here source address is not specifically limited.
At step 104, when source base station determines terminal destination address to be reached not in this base station covers,
After the navigation requests for receiving the terminal to report, determine the positional information of the terminal, and using the positional information as
Source address is carried and is sent to core net in the navigation requests of terminal to report；Or
When source base station determines terminal destination address to be reached not in this base station covers, indicate on the end
Report positional information, and the positional information for receiving is sent in the navigation requests of terminal to report as source address carrying
Core net.
Step 105：Source base station receives terminal iidentification and the set of paths that core net sends.
Wherein, subpath of the guidance path in the base station range, the navigation are contained in the set of paths
Path be core net when the navigation requests for containing terminal iidentification, source address and destination address are received, according to locally stored
Cartographic information determine from the source address to the operating path of the destination address.
In this step 105, core net contains terminal iidentification, source address and destination receive that source base station sends
After the navigation requests of location, following steps are executed：
The first step：Core net is taken using local positioning according to source address, destination address and locally stored cartographic information
Business device, determines from the source address to the operating path of the destination address；
Second step：Core net determines son of the operating path in approach base station range according to the operating path
Path, forms set of paths；
3rd step：Core net determine set of paths that the subpath in approach base station and approach base station range formed it
Between corresponding relation, and the set of paths of determination and terminal iidentification are sent to the corresponding approach base station of the set of paths.
It should be noted that after terminal sends navigation requests to the source base station for accessing, when source base station determines that terminal is wanted
The destination address for reaching not in this base station range when, source base station pass through to core net send navigation requests, by core net
Determine the base station of terminal wanted approach from source address to destination address, and determine terminal leading from source address to destination address
During bit path, determine subpath of the guidance path in approach base station range, and form set of paths, by terminal iidentification and
Set of paths is sent to all base stations of the guidance path institute approach of determination, wherein, including the source base that terminal initiates navigation requests
Stand.
It should be noted that source base station a here is the navigation requests that terminal A is initiated when this base station a is accessed, base is asked
The a that stands carries out path navigation for terminal A from a certain position of this base station a that terminal A is located, that is to say, that base station a is relative to terminal
A is the source base station of Terminal A requests path navigation；But base station a is probably other ends relative to the other-end in addition to terminal A
The approach base station of end request path navigation.
Step 106：Congestion status in the set of paths for receiving are met the subpath that imposes a condition as leading for source base station
Boat information is sent to terminal.
Wherein, the congestion status meet N number of path that the subpath for imposing a condition is congestion probability minimum, and the N is
Positive integer.
In step 106, as the traffic that traffic flow has certain regularity, different periods has differences,
For example, peak period on and off duty, the vehicle flowrate in road are higher；Non-peak period, the vehicle flowrate in road are more uniform；According to traffic flow
The regularity of amount, can determine the congestion probability of different periods traffic flow, and then basis with Poisson distribution principle in theory of probability
There is the threshold value of congestion in the congestion determine the probability different periods traffic of determination, when the congestion probability for determining is less than threshold value,
Assert the traffic behavior in the current path preferably, congestion probability occur less；When the congestion probability for determining is not less than threshold value,
Assert that the traffic behavior in the current path is poor, congestion probability occur larger.
But, there is exceptional case in such judgement, i.e., when the congestion probability for determining is less than threshold value, assert
The traffic behavior in path is not preferably very accurately, because there is such a case, i.e., there occurs vehicle accident on the path,
Therefore, in order to avoid the appearance of such case, when determining that congestion probability is less than threshold value, to terminal movement on current path
Speed is judged, when the speed for determining terminal movement is slower, judges current path generation vehicle accident or traffic congestion etc.
Abnormal conditions, traffic behavior are bad, and the path cannot function as navigation information and be sent to terminal.
Specifically, source base station is according to the corresponding pass between locally created various traffic flow datas and traffic congestion probability
System, determines the traffic congestion probability of each subpath in the set of paths that receives, using the minimum N number of path of congestion probability as leading
Bit path is sent to terminal, and wherein, N is positive integer.
Terminal selects wherein paths according to the guidance path that source base station is provided, and runs to the path and runs with next
The intersection point in path.
Step 107：When approach base station detects that the terminal iidentification counterpart terminal is accessed, by the set of paths for receiving
Congestion status meet and impose a condition, are sent to terminal by way of the subpath of terminal present position as navigation information.
In step 107, when terminal switches to another base station from a base station, existing terminal can be adopted in base station
Between switch mode realize, here terminal room realize between base station switch embodiment be not specifically limited.
As core net is when determination terminal is by the guidance path of source address to destination address, the guidance path for determining is existed
Subpath in approach base station range forms set of paths and the terminal iidentification of the terminal is sent to the set of paths
Corresponding approach base station, therefore, when approach base station monitors to have terminal to access this base station when, according to the terminal mark of access terminal
Know, determine that core net is the subpath in this base station range that the corresponding terminal of the terminal iidentification determines.
When path navigation being carried out by way of base station for the terminal, there are two following situations：
The first situation：Core net is that the subpath of the guidance path of the terminal that the approach base station determines is worked as with terminal
The subpath of front operation has joining.
Such as Fig. 2（a）Shown, the subpath of the guidance path in the approach base station of the terminal that core net determines has 3,
Respectively path 1, path 2 and path 3, wherein, path 1, path 2 and path 3 intersect at point A, and point A is terminal before adjacent
One point of the single sub path approach selected in the navigation information of one approach base station determination.
Approach base station selects congestion status in the set of paths to meet the sub- road for imposing a condition according to the set of paths for determining
Footpath is sent to terminal as navigation information.
That is, approach base station selects congestion probability minimum in the set of paths from path 1, path 2 and path 3
One or two or three is sent to terminal as navigation information.
Second case：Core net be the guidance path of the terminal that the approach base station determines subpath in exist with
Subpath of the subpath of terminal currently operation without joining.
Such as Fig. 2（b）Shown, the subpath of the guidance path in the approach base station of the terminal that core net determines has 3,
Respectively path 1, path 2 and path 3, wherein, path 1 and path 2 intersect at point B, and point B is terminal from adjacent previous way
One point of the single sub path approach selected in the navigation information that footpath base station determines；And path 3 is without approach point B.
Approach base station selects congestion status in the set of paths to meet the sub- road for imposing a condition according to the set of paths for determining
Footpath is sent to terminal as navigation information.
That is, approach base station determines the congestion status in path 1, path 2 and path 3 respectively, when the congestion shape in path 3
State is met when imposing a condition, but, due to the subpath of the not approach base station terminal present position of path 3, in other words, path
3 do not have intersection point with the subpath of terminal present position, and therefore in the base station selected set of paths of approach, congestion status meet
The subpath for imposing a condition can only be selected from path 1 and path 2, and the congestion status of determination are met impose a condition and
The subpath of approach terminal present position is sent to terminal as navigation information.
Multiple base stations that core net determines, according to terminal iidentification and the set of paths for determining, being followed successively by terminal carries out path
Navigation, until terminal arrives at location.
More preferably, when terminal request base station carries out path navigation for which, the base station that present terminal is accessed detects adjacent base
Appearance of standing is abnormal, when cannot be terminal service, can report core net, carry out path navigation for terminal by core net again；But
If core net can not find path to terminal, the base station for indicating to be currently accessed is returned navigation failure to terminal；Or
Person's core net have found path, but be to determine the guidance path being currently found be not meet impose a condition guidance path when, carry
Show that terminal can carry out path navigation by other approach.
By way of the present embodiment one, by the information exchange between terminal and base station, it is achieved that base station is in real time for eventually
End provides path navigation, and base station is in the feasible guidance path of determination terminal, by the friendship in path feasible for the terminal for determining
Logical situation is estimated, selects the preferable path of traffic and be sent to terminal, so avoid path in prior art
Location navigation mode has that the navigation route information of determination is inaccurate.
Embodiment two：
As shown in figure 3, the schematic flow sheet of the method for a kind of path navigation of the present embodiment two.The present embodiment two is real
Apply for the specific implementation for carrying out path navigation in base station to terminal in example one, the method includes：
Step 201：The navigation requests that base station receiving terminal is reported.
Wherein, destination address and terminal iidentification are contained in the navigation requests.
Step 202：Base station judges whether the destination address carried in the navigation requests for reporting is in itself coverage
Address, if so, then execution step 203；Otherwise, navigation requests are sent to core net.
In step 202., the specific embodiment after sending navigation requests to core net has been done in embodiment one in detail
Thin narration, will not do specific description here.
Step 203：Base station determines the current positional information of the terminal.
In step 203, base station determines that the mode of the current positional information of the terminal has two kinds：One kind is that base station is sharp
The current positional information of the terminal is determined with existing positioning mode；Another kind is, the base station indicating terminal to report position of itself
Confidence ceases.
Step 204：Base station according to the current positional information of the terminal, destination address and locally stored cartographic information,
Determine at least one guidance path from the corresponding address of the current positional information of the terminal to destination address.
It should be noted that when the corresponding address of terminal present position with terminal destination address to be reached same
When in one base station, at least one navigation road from the corresponding address of the current positional information of the terminal to destination address is determined
Footpath；When the corresponding address of terminal present position and terminal destination address to be reached not in same base station when, core
What heart net included in the set of paths for each base station determination of terminal approach is the subpath of guidance path.
Step 205：Base station determines the congestion status in each bar navigation path, and congestion status are met impose a condition,
By way of terminal present position guidance path according to the guidance path by way of Serving cell divided, obtain the navigation
Branch path of the path in each Serving cell.
In this step 205, base station from the beginning of the position that terminal is currently located, according to terminal operating speed and operation side
To and the statistical result that carries out of traffic flow data with reference to the daily each road to this base station range in base station, determination are gathered around
The guidance path of congestion probability minimum and approach terminal present position in stifled state, and little according to the service of the navigation approach
Area is divided, and obtains branch path of the guidance path in each Serving cell.
Step 206：Base station is distributed to the Serving cell of the branch path approach by the information of the branch path and terminal iidentification.
In step 206, the information of the branch path and terminal iidentification are sent to the service of the branch path approach for base station
Cell, specifically includes：
The first step：The terminal that the Serving cell that base station receiving terminal is currently accessed is reported accesses message, and the terminal is accessed
Include terminal iidentification in message.
In a certain Serving cell of access base station, the Serving cell that terminal is currently accessed will obtain access terminal to terminal
Terminal iidentification, and the terminal iidentification of the terminal is reported the base station that the Serving cell is located.
Second step：Base station is defined as in the branch path of the terminal iidentification counterpart terminal distribution for receiving, approach terminal
The branch path of the Serving cell being currently accessed.
The terminal iidentification that base station is reported according to Serving cell, is defined as the branch path of the terminal iidentification counterpart terminal distribution
In, the branch path of the approach Serving cell.
3rd step：Base station the information of the branch path of determination and terminal iidentification are distributed to the Serving cell.
It should be noted that after base station obtains branch path of the guidance path in each Serving cell, can in the lump by eventually
End mark and branch path of the guidance path in a Serving cell distribute to corresponding Serving cell as set of paths；?
The terminal iidentification of the terminal of access can be reported base station when Serving cell determines that terminal is accessed, now, base station is according to connecing
The terminal iidentification for receiving is defined as the branch path of the approach Serving cell of the corresponding terminal distribution of the terminal iidentification, and will determine
Branch path and terminal iidentification distribute to the Serving cell, be not specifically limited here.
Step 207：Base station indicates the Serving cell, and the branch path for receiving is sent to terminal as navigation information.
More preferably, the speed of service of the base station according to terminal, estimates branch path of the terminal in the Serving cell being currently accessed
On prediction operation duration, and the prediction run time is sent to the Serving cell that terminal is currently accessed.
Step 208：Base station receives the terminal running state information that the Serving cell is reported, the terminal running state information
Represent whether terminal runs the branch path terminal to the Serving cell in the prediction operation duration.
More preferably, base station determine terminal not yet reach the branch path terminal when, using the branch path terminal as new source
Address, initiates navigation requests for the terminal to core net again.
Step 209：When adjacent Serving cell detects that the terminal iidentification counterpart terminal accesses the Serving cell, the clothes are reported
The base station that business cell is located, navigation authority are transferred to adjacent Serving cell by adjacent previous Serving cell, and by receive
Path is sent to terminal as navigation information.
Include multiple Serving cells in base station, each Serving cell is followed successively by according to terminal iidentification and the set of paths for determining
Terminal carries out path navigation, until terminal arrives at location.
It should be noted that step 205 ~ step 209 can also apply in embodiment one each base station for terminal
When carrying out subpath navigation.
More preferably, base station is carried out to the day-to-day operation path for not carrying out the terminal of path navigation demand in each Serving cell
It is periodically detected, the operating path for being obtained is compared with the operating path in locally stored cartographic information, and to this
The path not having in the cartographic information of ground storage is added, and observes the traffic flow information in the newly-increased path of statistics, and determining should
Corresponding relation between the congestion probability in newly-increased path and traffic flow information；Simultaneously to path in locally stored cartographic information
Usage frequency enters line period statistics, path low for path usage frequency in locally stored cartographic information is deleted, is completed
The real-time update of guidance path；And the guidance path in this base station after renewal is reported core net so that in core net
Location-server realizes synchronous real-time update.
Additionally, terminal is in running, when not running according to the navigation information that base station provides, base station will send to include is
The no navigation inquiry message for proceeding to navigate, when terminal determines abandons this path navigation, base station will proceed to deletes this
Navigation data flow process；When terminal is run according to the path that oneself selectes, the base station that terminal is currently accessed judges that terminal is currently transported
Whether in the guidance path for determining, the path for if so, then continuing to run according to present terminal provides navigation scheme in capable path；
Otherwise, prompt terminal is possible to arrive at location according to current operating path.
When terminal is during operation, the navigation requests of abandoning comprising terminal iidentification and destination address are sent to base station and disappeared
Breath, if according to destination address, base station determines that the destination address is in itself coverage, response terminal abandons navigation message, deletes
Related data except this navigation；If base station determines the destination address not in itself coverage according to destination address, will
Navigation requests information reporting is abandoned to core net comprising terminal iidentification and destination address, from location-server to the terminal for determining
Can approach but the base station not yet navigated for terminal send and abandon navigation requests message comprising terminal iidentification, and indicate each base
Stand and delete related navigation data.
Embodiment three：
As shown in figure 4, the schematic flow sheet of the method for a kind of path navigation of the present embodiment three, the method includes：
Step 301：Network side receives navigation requests, includes terminal iidentification, source address and destination in the navigation requests
Location.
Step 302：Network side determines that at least one base station, the coverage of the base station are contained from source address to purpose
At least one guidance path of address.
Step 303：Laterally each base station sends the terminal iidentification and the set of paths in the base station, the path set to network
Contain subpath of the guidance path in the base station range in conjunction, indicate arbitrary base station, when detecting the terminal mark
Know counterpart terminal when accessing the base station, congestion status in the set of paths for receiving are met impose a condition, current by way of terminal
The subpath of position is sent to terminal as navigation information.
Example IV：
As shown in figure 5, a kind of structural representation of the base station for the present embodiment four, the base station includes：Path receiver module
11 and navigation module 12, wherein：
Path receiver module 11, for receiving terminal iidentification and the set of paths of core net transmission, in the set of paths
Contain subpath of the guidance path in the base station range, the guidance path is core net contains end receiving
End mark, source address and during destination address navigation requests, determination from the source address to the operating path of the destination address.
Navigation module 12, during for detecting that the terminal iidentification counterpart terminal is accessed, by the set of paths for receiving
Congestion status meet and impose a condition, are sent to terminal by way of the subpath of terminal present position as navigation information.
More preferably, the base station also includes：Navigation requests receiver module 13, judge module 14 and navigation requests sending module
15, wherein：
Navigation requests receiver module 13, for receive be currently accessed terminal to report comprising terminal iidentification and destination address
Navigation requests.
Judge module 14, for judging whether the destination address carried in the navigation requests for reporting is in itself coverage
Address, if so, then trigger navigation module；Otherwise, navigation requests sending module is triggered.
Navigation requests sending module 15, for sending navigation requests to core net.
More preferably, the navigation module 12, is currently located address to destination address at least specifically for determining from terminal
One single sub path, and therefrom determining, congestion status meet the subpath for imposing a condition and terminal are sent to as navigation information.
Specifically, the navigation requests sending module 15, specifically for receiving leading for the terminal to report being currently accessed
After boat request, determine the positional information of the terminal being currently accessed, and the positional information is carried in terminal as source address
Core net is sent in the navigation requests of report；Or,
After the navigation requests for receiving the terminal to report being currently accessed, the terminal to report position letter being currently accessed is indicated
Breath, and the positional information for receiving is sent to core net as source address carrying in the navigation requests of terminal to report.
Specifically, the navigation module 12, specifically includes：Branch path determining unit 21 and Serving cell navigation elements 22,
Wherein：
Branch path determining unit 21, for pressing the minimum subpath by way of terminal present position of congestion probability
According to the subpath by way of Serving cell divided, obtain branch path of the subpath in each Serving cell.
Serving cell navigation elements 22, for being sent to the branch path approach by the information of the branch path and terminal iidentification
Serving cell, indicate arbitrary Serving cell, when detecting that the terminal iidentification counterpart terminal accesses the Serving cell, will connect
The branch path for receiving is sent to terminal as navigation information.
Specifically, the Serving cell navigation elements 22, specifically include：Receiving subelement 31, determination subelement 32 and point
Match somebody with somebody subelement 33, wherein：
Receiving subelement 31, accesses message, the terminal for receiving the terminal that the Serving cell that terminal is currently accessed is reported
Access；
Determination subelement 32, for being defined as in the branch path of the terminal iidentification counterpart terminal distribution for receiving, on the way
The branch path of the Serving cell that footpath terminal is currently accessed；
Distribution subelement 33, for distributing to the clothes that terminal is currently accessed by the information of the branch path of determination and terminal iidentification
Business cell.
Specifically, the navigation module 12, also includes：Operation duration predicting unit 23, wherein：
Operation duration predicting unit 23, for before the branch path for receiving is sent to terminal as navigation information,
According to the speed of service of terminal, the prediction operation duration in branch path of the terminal in the Serving cell being currently accessed is estimated, and
The prediction run time is distributed to the Serving cell that terminal is currently accessed；
The base station also includes：Terminal running state receiver module 16 and navigation requests initiation module 17, wherein：
Terminal running state receiver module 16, for receiving the terminal running state information that Serving cell is reported, the end
End running state information represents whether terminal runs propping up to the Serving cell being currently accessed in the prediction operation duration
Path termination；
Navigation requests initiation module 17, for when determining that terminal not yet reaches the branch path terminal, by the branch path end
Point initiates navigation requests for the terminal to core net again as new source address.
Embodiment five：
As shown in fig. 6, a kind of structural representation of the core net for the present embodiment four, the core net includes：Navigation requests
Receiver module 41, base station determining module 42 and navigation module 43, wherein：
Navigation requests receiver module 41, for receiving navigation requests, includes terminal iidentification, source address in the navigation requests
And destination address；
Base station determining module 42, for determining that at least one base station, the coverage of the base station are contained from source address
At least one guidance path to destination address；
Navigation module 43, for sending the set of paths in the terminal iidentification and the base station, the path to each base station
Contain subpath of the guidance path in the base station range in set, indicate arbitrary base station, when detecting the terminal
When mark counterpart terminal accesses the base station, congestion status in the set of paths for receiving are met and imposed a condition, worked as by way of terminal
The subpath of front position is sent to terminal as navigation information.
Embodiment six：
As shown in fig. 7, a kind of structural representation of the path guiding system for the present embodiment four, the system includes：Base station
51 and core net 52, wherein：
Base station 51, for receiving terminal iidentification and the set of paths of core net transmission, contains in the set of paths and leads
Subpath of the bit path in the base station range, the guidance path be core net receive contain terminal iidentification,
When source address and destination address navigation requests, determination from the source address to the operating path of the destination address, and inspection
When measuring the terminal iidentification counterpart terminal and accessing, congestion status in the set of paths for receiving are met impose a condition, by way of
The subpath of terminal present position is sent to terminal as navigation information；
Core net 52, for receiving navigation requests, includes terminal iidentification, source address and destination in the navigation requests
Location, and determine at least one base station, at least one that the coverage of the base station is contained from source address to destination address is led
Bit path, and the set of paths in the terminal iidentification and the base station is sent to each base station, contain in the set of paths
Subpath of the guidance path in the base station range.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (16)
1. a kind of method of path navigation, it is characterised in that the method includes：
Base station receives terminal iidentification and the set of paths that core net sends, and contains guidance path in the base in the set of paths
The subpath that stands in coverage, the guidance path are that core net contains terminal iidentification, source address and purpose receiving
During the navigation requests of address, determination from the source address to the operating path of the destination address；
When base station detects that the terminal iidentification counterpart terminal is accessed, congestion status in the set of paths for receiving are met and is set
Condition, the subpath by way of terminal present position are sent to terminal as navigation information.
2. the method for claim 1, it is characterised in that receive terminal iidentification that core net sends and set of paths it
Before, methods described also includes：
Base station receives the navigation requests comprising terminal iidentification and destination address of the terminal to report being currently accessed；
Base station judges that whether the destination address carried in the navigation requests that report is the address in itself coverage, if so, then
Determine and address is currently located at least one subpath of destination address from terminal, and therefrom determine that congestion status meet set bar
The subpath of part is sent to terminal as navigation information；
Otherwise, navigation requests are sent to core net.
3. method as claimed in claim 2, it is characterised in that send navigation requests to core net, specifically include：
Base station determines the position letter of the terminal being currently accessed after the navigation requests for receiving the terminal to report being currently accessed
Breath, and the positional information is sent to core net as source address carrying in the navigation requests of terminal to report；Or,
Base station indicates, after the navigation requests for receiving the terminal to report being currently accessed, the terminal to report position letter being currently accessed
Breath, and the positional information for receiving is sent to core net as source address carrying in the navigation requests of terminal to report.
4. method as claimed in claim 1 or 2, it is characterised in that the congestion status meet the subpath for imposing a condition is
The minimum N number of path of congestion probability, the N are positive integer.
5. method as claimed in claim 4, it is characterised in that congestion status are met and impose a condition, work as by way of terminal by base station
The subpath of front position is sent to terminal as navigation information, specifically includes：
Base station by minimum for congestion probability, by way of terminal present position a subpath according to the subpath by way of service little
Area is divided, and obtains branch path of the subpath in each Serving cell；
The information of the branch path and terminal iidentification are distributed to the Serving cell of the branch path approach for base station, indicate arbitrary service
Cell, when detecting that the terminal iidentification counterpart terminal accesses the Serving cell, using the branch path for receiving as navigation letter
Breath is sent to terminal.
6. method as claimed in claim 5, it is characterised in that base station is distributed to by the information of the branch path and terminal iidentification
The Serving cell of the branch path approach, specifically includes：
The terminal that the Serving cell that base station receiving terminal is currently accessed is reported accesses message, and the terminal is accessed in message comprising eventually
End mark；
Base station is defined as in the branch path of the terminal iidentification counterpart terminal distribution for receiving, the clothes that approach terminal is currently accessed
The branch path of business cell；
Base station is distributed to the Serving cell that terminal is currently accessed by the information of the branch path of determination and terminal iidentification.
7. method as claimed in claim 5, it is characterised in that the branch path for receiving is sent out by Serving cell as navigation information
Before giving terminal, methods described also includes：
The speed of service of the base station according to terminal, estimates the prediction operation in branch path of the terminal in the Serving cell being currently accessed
Duration, and the prediction run time is distributed to the Serving cell that terminal is currently accessed；
After the branch path for receiving is sent to terminal as navigation information by Serving cell, methods described also includes：
Base station receives the terminal running state information that Serving cell is reported, and the terminal running state information represents terminal described
Whether branch path terminal to the Serving cell that be currently accessed is run in prediction operation duration；
Base station when determining that terminal not yet reaches the branch path terminal, using the branch path terminal as new source address, again for
The terminal initiates navigation requests to core net.
8. a kind of method of path navigation, it is characterised in that the method includes：
Network side receives navigation requests, includes terminal iidentification, source address and destination address in the navigation requests；
Network side determines that at least one base station, the coverage of the base station contain from source address to destination address at least one
Bar navigation path；
Laterally each base station sends the terminal iidentification and the set of paths in the base station to network, contains and lead in the set of paths
Subpath of the bit path in the base station range, indicates arbitrary base station, when detecting that the terminal iidentification counterpart terminal connects
When entering the base station, by the set of paths for receiving congestion status meet impose a condition, by way of terminal present position son
Path is sent to terminal as navigation information.
9. a kind of base station, it is characterised in that the base station includes：
Path receiver module, for receiving terminal iidentification and the set of paths of core net transmission, contains in the set of paths
Subpath of the guidance path in the base station range, the guidance path are that core net contains terminal mark receiving
Know, source address and during destination address navigation requests, determination from the source address to the operating path of the destination address；
Navigation module, during for detecting that the terminal iidentification counterpart terminal is accessed, by congestion shape in the set of paths for receiving
State meets and imposes a condition, is sent to terminal by way of the subpath of terminal present position as navigation information.
10. base station as claimed in claim 9, it is characterised in that the base station also includes：
Navigation requests receiver module, for receiving the navigation comprising terminal iidentification and destination address of the terminal to report being currently accessed
Request；
Judge module, for judging that whether the destination address carried in the navigation requests that report is the ground in itself coverage
Location, if so, then triggers navigation module；Otherwise, navigation requests sending module is triggered；
The navigation requests sending module, for sending navigation requests to core net；
The navigation module, is currently located address at least one subpath of destination address specifically for determining from terminal, and
Therefrom determining, congestion status meet the subpath for imposing a condition and terminal are sent to as navigation information.
11. base stations as claimed in claim 10, it is characterised in that
The navigation requests sending module, specifically for after the navigation requests for receiving the terminal to report being currently accessed, really
The positional information of the terminal being currently accessed surely, and the positional information is carried in the navigation requests of terminal to report as source address
It is sent to core net；Or,
After the navigation requests for receiving the terminal to report being currently accessed, the terminal to report positional information being currently accessed is indicated,
And the positional information for receiving is sent to core net as source address carrying in the navigation requests of terminal to report.
12. base stations as claimed in claim 9, it is characterised in that the navigation module, specifically include：
Branch path determining unit, for by minimum for congestion probability, by way of terminal present position a subpath according to the son
Path by way of Serving cell divided, obtain branch path of the subpath in each Serving cell；
Serving cell navigation elements, for the information of the branch path and terminal iidentification to be distributed to the service of the branch path approach
Cell, indicates arbitrary Serving cell, when detecting that the terminal iidentification counterpart terminal accesses the Serving cell, by received
Branch path is sent to terminal as navigation information.
13. base stations as claimed in claim 12, it is characterised in that the Serving cell navigation elements, specifically include：
Receiving subelement, accesses message for the terminal that the Serving cell that receiving terminal is currently accessed is reported, and the terminal is accessed
Include terminal iidentification in message；
Determination subelement, for being defined as in the branch path of the terminal iidentification counterpart terminal distribution for receiving, approach terminal
The branch path of the Serving cell being currently accessed；
Distribution subelement is little for the information of the branch path of determination and terminal iidentification are distributed to the service that terminal is currently accessed
Area.
14. base stations as claimed in claim 12, it is characterised in that the navigation module, also include：
Operation duration predicting unit, for before the branch path for receiving is sent to terminal as navigation information, according to end
The speed of service at end, estimates the prediction operation duration in branch path of the terminal in the Serving cell being currently accessed, and this is pre-
Survey run time and distribute to the Serving cell that terminal is currently accessed；
The base station also includes：
Terminal running state receiver module, for receiving the terminal running state information that Serving cell is reported, the terminal operating
Status information represents whether terminal runs the branch path end to the Serving cell being currently accessed in the prediction operation duration
Point；
Navigation requests initiation module, for determine terminal not yet reach the branch path terminal when, using the branch path terminal as
New source address, initiates navigation requests for the terminal to core net again.
15. a kind of core nets, it is characterised in that the core net includes：
Navigation requests receiver module, for receiving navigation requests, includes terminal iidentification, source address and purpose in the navigation requests
Address；
Base station determining module, for determining that at least one base station, the coverage of the base station are contained from source address to purpose
At least one guidance path of address；
Navigation module, for sending the set of paths in the terminal iidentification and the base station to each base station, in the set of paths
Contain subpath of the guidance path in the base station range, indicate arbitrary base station, when detecting the terminal iidentification pair
When answering terminal to access the base station, congestion status in the set of paths for receiving are met and imposed a condition, be currently located by way of terminal
The subpath of position is sent to terminal as navigation information.
16. a kind of path guiding systems, it is characterised in that the system includes：Base station and core net, wherein：
Base station, for receiving terminal iidentification and the set of paths of core net transmission, contains guidance path in the set of paths
Subpath in the base station range, the guidance path are that core net contains terminal iidentification, source address receiving
During with destination address navigation requests, determination from the source address to the operating path of the destination address, and detecting
When stating the access of terminal iidentification counterpart terminal, congestion status in the set of paths for receiving are met and imposed a condition, worked as by way of terminal
The subpath of front position is sent to terminal as navigation information；
Core net, for receiving navigation requests, comprising terminal iidentification, source address and destination address in the navigation requests, and really
Fixed at least one base station, the coverage of the base station contain at least one guidance path from source address to destination address,
And the set of paths in the terminal iidentification and the base station is sent to each base station, guidance path is contained in the set of paths
Subpath in the base station range.
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| JP2019067091A (en) * | 2017-09-29 | 2019-04-25 | 沖電気工業株式会社 | Information processing device, information processing system and information processing program |
| CN110164166B (en) * | 2018-02-11 | 2021-01-08 | 北京图森智途科技有限公司 | Vehicle positioning system, method and device |
| CN109443372B (en) * | 2018-06-12 | 2022-01-04 | 神州天衡科技(深圳)有限公司 | Path identification method and system, computer device and storage medium |
| CN112556704B (en) * | 2019-09-10 | 2024-03-05 | 华为技术有限公司 | Path planning method and communication device |
| CN111107495B (en) * | 2019-12-02 | 2021-07-09 | 南京中科晶上通信技术有限公司 | User terminal, navigation positioning system and navigation positioning method based on 5G |
| CN112258876A (en) * | 2020-04-07 | 2021-01-22 | 张根兵 | Smart city management method and device based on Internet of things |
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| US8606506B2 (en) * | 2006-07-26 | 2013-12-10 | General Motors Llc | Route-matching method for use with vehicle navigation systems |
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