CN113905353A - Vehicle-mounted wireless network video data resource allocation and scheduling method and system - Google Patents

Vehicle-mounted wireless network video data resource allocation and scheduling method and system Download PDF

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CN113905353A
CN113905353A CN202111494689.4A CN202111494689A CN113905353A CN 113905353 A CN113905353 A CN 113905353A CN 202111494689 A CN202111494689 A CN 202111494689A CN 113905353 A CN113905353 A CN 113905353A
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node
data
route
travel
video data
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CN113905353B (en
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董轩
周炜
董国亮
汪旗航
晋杰
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Research Institute of Highway Ministry of Transport
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/024—Guidance services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/50—Service provisioning or reconfiguring

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Abstract

The invention provides a vehicle-mounted wireless network video data resource allocation and scheduling method and a system, wherein the method comprises the following steps: acquiring a video acquisition request of a user, and determining target video data based on the video acquisition request; acquiring a transmission node capable of transmitting data on a driving path of an automobile as a node to be configured; segmenting the driving path based on the position of the node to be configured, acquiring a plurality of segmented routes and associating the segmented routes with the node to be configured; determining the corresponding running time of each sectional route; and configuring target video data for the nodes to be configured associated with the sectional routes based on the driving time to form data configuration nodes. According to the vehicle-mounted wireless network video data resource allocation and scheduling method, the target video data are reasonably allocated on each data transmission node on the driving path, so that the allocation of the video data resources is fast and reasonable, the fast and stable transmission of the vehicle-mounted wireless network video data is improved, and the user experience is improved.

Description

Vehicle-mounted wireless network video data resource allocation and scheduling method and system
Technical Field
The invention relates to the technical field of video data resource allocation and scheduling, in particular to a method and a system for allocating and scheduling video data resources of a vehicle-mounted wireless network.
Background
At present, along with the improvement of living standard of people, automobiles are already a common phenomenon as family walk-substituting tools, and more people select self-driving travel; the driving process is tedious, and the vehicle-mounted network video becomes a recreation choice except for the mobile phone; however, the existing video data resource allocation and scheduling method has the problems of low efficiency and low speed.
Disclosure of Invention
One of the purposes of the invention is to provide a vehicle-mounted wireless network video data resource allocation and scheduling method, which realizes the fast and reasonable allocation of video data resources by reasonably allocating target video data on each data transmission node on a driving path, improves the fast and stable transmission of vehicle-mounted wireless network video data, and improves the user experience.
The embodiment of the invention provides a vehicle-mounted wireless network video data resource allocation and scheduling method, which comprises the following steps:
acquiring a video acquisition request of a user, and determining target video data based on the video acquisition request;
acquiring a transmission node capable of transmitting data on a driving path of an automobile as a node to be configured;
segmenting the driving path based on the position of the node to be configured, acquiring a plurality of segmented routes and associating the segmented routes with the node to be configured;
determining the corresponding running time of each sectional route; and configuring target video data for the nodes to be configured associated with the sectional routes based on the driving time to form data configuration nodes.
Preferably, the acquiring of the transmission node capable of transmitting data on the driving path of the automobile as the node to be configured includes:
acquiring a driving path of an automobile;
acquiring a transmission node capable of transmitting data on a driving path as a node to be configured;
wherein, obtain the route of traveling of car, include:
acquiring a navigation path selected by a user as a driving path through a vehicle-mounted navigation system;
and/or the presence of a gas in the gas,
acquiring a historical driving record of an automobile;
determining a driving path based on the driving route of the automobile and the historical driving record;
and/or the presence of a gas in the gas,
acquiring the driving direction of the automobile;
acquiring a road distribution map within a preset first distance threshold value by taking the position of the automobile as the center;
based on the road map and the driving direction, a plurality of driving paths are determined.
Preferably, the acquiring a transmission node capable of transmitting data on the driving path as a node to be configured includes:
acquiring a distribution diagram of transmission nodes capable of transmitting data;
mapping the driving path into a distribution map;
calculating the shortest distance from each transmission node to a driving path in the distribution diagram;
and when the shortest distance is less than or equal to a preset second distance threshold value, taking the transmission node as a node to be configured.
Preferably, segmenting the driving path based on the position of the node to be configured, acquiring a plurality of segmented routes and associating the segmented routes with the node to be configured, includes:
sampling a driving path to obtain a plurality of sampling points;
calculating a first distance value between each sampling point and each node to be configured;
grouping each sampling point based on the difference of the nodes to be configured with the minimum first distance value;
integrating and connecting all sampling points in the same group in series to form at least one sectional route;
and associating the segmented route with the nodes to be configured corresponding to the groups.
Preferably, the determining the travel time corresponding to each segmented route includes:
acquiring a historical driving record of an automobile;
analyzing historical driving records and determining historical driving time of a plurality of sectional routes;
determining a driving time corresponding to the segmented route based on a plurality of historical driving times;
and/or the presence of a gas in the gas,
acquiring current driving parameter data of an automobile;
acquiring a first limiting parameter and a first road condition of a current driving road of an automobile;
determining a subjective deviation factor based on the driving parameter data, the first limiting parameter and the first road condition;
acquiring a second limiting parameter and a second road condition of each sectional route;
dividing the sectional route into line units based on a second limiting parameter and a second road condition;
determining driving parameter data corresponding to each line unit based on the second limiting parameter, the second road condition and the subjective deviation coefficient of each line;
determining the driving time of each line unit based on the driving parameter data corresponding to each line unit and the distance length of each line unit;
based on the travel time of each link unit, the travel time of each segment route is determined.
Preferably, the configuring the target video data for the node to be configured associated with the segment route based on the travel time includes:
acquiring initial playing time of each video clip of target video data;
acquiring the film watching habit of a viewer in the automobile;
adjusting the initial playing time based on the film watching habit, and determining the predicted playing time interval of each video clip;
correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the interval of the driving time of each sectional route;
configuring the data of the target video data corresponding to each video clip on the node to be configured corresponding to the corresponding subsection route to form a data configuration node;
the method for correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the driving time interval of each sectional route comprises the following steps:
obtaining cache parameters of a video player of the vehicle-mounted terminal;
determining the cache playing time corresponding to the minimum cache data based on the cache parameters;
will be first
Figure 218497DEST_PATH_IMAGE001
The section of the travel time corresponding to each sectional route is recorded as
Figure 826196DEST_PATH_IMAGE002
Wherein, the water-soluble polymer is a polymer,
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is equal to the value of
Figure 721656DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 300405DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 344585DEST_PATH_IMAGE005
；
will be first
Figure 477626DEST_PATH_IMAGE001
The corresponding associated predicted playing time interval of each sectional route is recorded as
Figure 327770DEST_PATH_IMAGE006
Wherein when
Figure 761025DEST_PATH_IMAGE007
When the temperature of the water is higher than the set temperature,
Figure 976106DEST_PATH_IMAGE008
is equal to the value of
Figure 862022DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 187962DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 210144DEST_PATH_IMAGE009
、
Figure 330547DEST_PATH_IMAGE010
is equal to the sum of the travel time and the buffer play time corresponding to the 1 st segment route.
Preferably, the vehicle-mounted wireless network video data resource allocation and scheduling method further includes:
when the data of the target video data configured on the data configuration node corresponding to the current driving subsection route of the automobile is transmitted to the vehicle-mounted terminal, acquiring the cache data information of the vehicle-mounted terminal in real time;
when the playing time corresponding to the cache data is less than the cache playing time, acquiring the remaining running time of the current sectional route; and data corresponding to the remaining travel time are called from the next data configuration node to the data configuration node associated with the sectional route.
Preferably, the vehicle-mounted wireless network video data resource allocation and scheduling method further includes:
when the automobile is parked and flamed out, access information of mobile terminal equipment which is around the vehicle-mounted terminal and is associated with the vehicle-mounted terminal is obtained;
connecting with the mobile terminal equipment based on the access information, and allocating the remaining unplayed data of the target video data to a data allocation node closest to the mobile terminal equipment; transmitted by the data configuration node to the mobile terminal device.
The invention also provides a vehicle-mounted wireless network video data resource allocation and scheduling system, which comprises:
the target video data determining module is used for acquiring a video acquisition request of a user and determining target video data based on the video acquisition request;
the device comprises a to-be-configured node determining module, a to-be-configured node determining module and a configuring module, wherein the to-be-configured node determining module is used for acquiring transmission nodes capable of transmitting data on a driving path of an automobile as to-be-configured nodes;
the segment association module is used for segmenting the driving path based on the position of the node to be configured, acquiring a plurality of segment routes and associating the segment routes with the node to be configured;
the configuration module is used for determining the corresponding running time of each sectional route; and configuring target video data for the nodes to be configured associated with the sectional routes based on the driving time to form data configuration nodes.
Preferably, when the to-be-configured node determining module obtains a transmission node capable of transmitting data on the driving path of the automobile as the to-be-configured node, the following operations are performed:
acquiring a driving path of an automobile;
acquiring a transmission node capable of transmitting data on a driving path as a node to be configured;
wherein, obtain the route of traveling of car, include:
acquiring a navigation path selected by a user as a driving path through a vehicle-mounted navigation system;
and/or the presence of a gas in the gas,
acquiring a historical driving record of an automobile;
determining a driving path based on the driving route of the automobile and the historical driving record;
and/or the presence of a gas in the gas,
acquiring the driving direction of the automobile;
acquiring a road distribution map within a preset first distance threshold value by taking the position of the automobile as the center;
based on the road map and the driving direction, a plurality of driving paths are determined.
Preferably, the to-be-configured node determining module obtains a transmission node capable of transmitting data on the driving path as the to-be-configured node, and executes the following operations:
acquiring a distribution diagram of transmission nodes capable of transmitting data;
mapping the driving path into a distribution map;
calculating the shortest distance from each transmission node to a driving path in the distribution diagram;
and when the shortest distance is less than or equal to a preset second distance threshold value, taking the transmission node as a node to be configured.
Preferably, the segment associating module segments the driving path based on the position of the node to be configured, obtains a plurality of segment routes and associates the segment routes with the node to be configured, and executes the following operations:
sampling a driving path to obtain a plurality of sampling points;
calculating a first distance value between each sampling point and each node to be configured;
grouping each sampling point based on the difference of the nodes to be configured with the minimum first distance value;
integrating and connecting all sampling points in the same group in series to form at least one sectional route;
and associating the segmented route with the nodes to be configured corresponding to the groups.
Preferably, the configuration module determines the travel time corresponding to each segmented route, and executes the following operations:
acquiring a historical driving record of an automobile;
analyzing historical driving records and determining historical driving time of a plurality of sectional routes;
determining a driving time corresponding to the segmented route based on a plurality of historical driving times;
and/or the presence of a gas in the gas,
acquiring current driving parameter data of an automobile;
acquiring a first limiting parameter and a first road condition of a current driving road of an automobile;
determining a subjective deviation factor based on the driving parameter data, the first limiting parameter and the first road condition;
acquiring a second limiting parameter and a second road condition of each sectional route;
dividing the sectional route into line units based on a second limiting parameter and a second road condition;
determining driving parameter data corresponding to each line unit based on the second limiting parameter, the second road condition and the subjective deviation coefficient of each line;
determining the driving time of each line unit based on the driving parameter data corresponding to each line unit and the distance length of each line unit;
based on the travel time of each link unit, the travel time of each segment route is determined.
Preferably, the configuration module configures target video data for nodes to be configured associated with the segment routes based on the travel time to form data configuration nodes, and performs the following operations:
acquiring initial playing time of each video clip of target video data;
acquiring the film watching habit of a viewer in the automobile;
adjusting the initial playing time based on the film watching habit, and determining the predicted playing time interval of each video clip;
correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the interval of the driving time of each sectional route;
configuring the data of the target video data corresponding to each video clip on the node to be configured corresponding to the corresponding subsection route to form a data configuration node;
the method for correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the driving time interval of each sectional route comprises the following steps:
obtaining cache parameters of a video player of the vehicle-mounted terminal;
determining the cache playing time corresponding to the minimum cache data based on the cache parameters;
will be first
Figure 969339DEST_PATH_IMAGE001
The section of the travel time corresponding to each sectional route is recorded as
Figure 426865DEST_PATH_IMAGE002
Wherein, the water-soluble polymer is a polymer,
Figure 37975DEST_PATH_IMAGE003
is equal to the value of
Figure 188333DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 924208DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 982163DEST_PATH_IMAGE005
；
will be first
Figure 182200DEST_PATH_IMAGE001
The corresponding associated predicted playing time interval of each sectional route is recorded as
Figure 175564DEST_PATH_IMAGE006
Wherein when
Figure 523369DEST_PATH_IMAGE007
When the temperature of the water is higher than the set temperature,
Figure 729222DEST_PATH_IMAGE008
is equal to the value of
Figure 846083DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 72665DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 783132DEST_PATH_IMAGE009
、
Figure 120572DEST_PATH_IMAGE010
is equal to the sum of the travel time and the buffer play time corresponding to the 1 st segment route.
Preferably, the vehicle-mounted wireless network video data resource allocation and scheduling system further includes: a scheduling module;
the scheduling module performs the following operations:
when the data of the target video data configured on the data configuration node corresponding to the current driving subsection route of the automobile is transmitted to the vehicle-mounted terminal, acquiring the cache data information of the vehicle-mounted terminal in real time;
when the playing time corresponding to the cache data is less than the cache playing time, acquiring the remaining running time of the current sectional route; and data corresponding to the remaining travel time are called from the next data configuration node to the data configuration node associated with the sectional route.
Preferably, the vehicle-mounted wireless network video data resource allocation and scheduling system further includes: a target conversion module;
the target conversion module performs the following operations:
when the automobile is parked and flamed out, access information of mobile terminal equipment which is around the vehicle-mounted terminal and is associated with the vehicle-mounted terminal is obtained;
connecting with the mobile terminal equipment based on the access information, and allocating the remaining unplayed data of the target video data to a data allocation node closest to the mobile terminal equipment; transmitted by the data configuration node to the mobile terminal device.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a video data resource allocation and scheduling method for a vehicle-mounted wireless network according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a video data resource allocation and scheduling system of a vehicle-mounted wireless network according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a vehicle-mounted wireless network video data resource allocation and scheduling method, as shown in fig. 1, comprising the following steps:
step S1: acquiring a video acquisition request of a user, and determining target video data based on the video acquisition request;
step S2: acquiring a transmission node capable of transmitting data on a driving path of an automobile as a node to be configured;
step S3: segmenting the driving path based on the position of the node to be configured, acquiring a plurality of segmented routes and associating the segmented routes with the node to be configured;
step S4: determining the corresponding running time of each sectional route; and configuring target video data for the nodes to be configured associated with the sectional routes based on the driving time to form data configuration nodes.
The working principle and the beneficial effects of the technical scheme are as follows:
when a user sends a video acquisition request to a server by adopting a vehicle-mounted terminal, the server determines target video data of the user based on the video acquisition request; acquiring a driving path of an automobile through a vehicle-mounted terminal, and further determining a transmission node capable of transmitting data on the driving path as a node to be configured; the node to be configured is a transmission node waiting for receiving the configuration of the target video data; the nodes to be configured are associated with the subsection routes on the driving path, and the driving time of the subsection routes is determined, so that the target video data is configured for the associated nodes to be configured, data transmission is performed by the corresponding associated data configuration nodes when the automobile of the user drives to the corresponding subsection routes, and the speed and the efficiency of data transmission are improved.
According to the vehicle-mounted wireless network video data resource allocation and scheduling method, the target video data are reasonably allocated on each data transmission node on the driving path, so that the allocation of the video data resources is fast and reasonable, the fast and stable transmission of the vehicle-mounted wireless network video data is improved, and the user experience is improved.
In one embodiment, acquiring a transmission node capable of transmitting data on a driving path of an automobile as a node to be configured includes:
acquiring a driving path of an automobile;
acquiring a transmission node capable of transmitting data on a driving path as a node to be configured;
wherein, obtain the route of traveling of car, include:
acquiring a navigation path selected by a user as a driving path through a vehicle-mounted navigation system;
and/or the presence of a gas in the gas,
acquiring a historical driving record of an automobile;
determining a driving path based on the driving route of the automobile and the historical driving record;
and/or the presence of a gas in the gas,
acquiring the driving direction of the automobile;
acquiring a road distribution map within a preset first distance threshold value by taking the position of the automobile as the center;
based on the road map and the driving direction, a plurality of driving paths are determined.
The working principle and the beneficial effects of the technical scheme are as follows:
determining a transmission node capable of performing optimal data transmission on the automobile running on the running path by acquiring the running path of the automobile; the method comprises the following steps that a navigation path selected by a user can be directly acquired through a vehicle-mounted navigation system to serve as a driving path; the driving path can also be determined by matching the driven route of the current driving with the historical driving record of the automobile; when the driving path is not determined in the two determination manners, the driving paths of the automobiles are listed by performing path listing on the roads in the driving direction, and are arranged respectively, wherein the first distance threshold value can be set to be 10 kilometers.
In one embodiment, acquiring a transmission node capable of transmitting data on a driving path as a node to be configured includes:
acquiring a distribution diagram of transmission nodes capable of transmitting data;
mapping the driving path into a distribution map;
calculating the shortest distance from each transmission node to a driving path in the distribution diagram;
and when the shortest distance is less than or equal to a preset second distance threshold value, taking the transmission node as a node to be configured.
The working principle and the beneficial effects of the technical scheme are as follows:
the transmission nodes are screened according to the shortest distance between the transmission nodes and the driving path, and the transmission nodes capable of efficiently transmitting data of the automobile driving on the driving path are determined. Wherein the second distance threshold may be set to 1 km.
In one embodiment, segmenting the driving path based on the position of the node to be configured, acquiring a plurality of segmented routes and associating the segmented routes with the node to be configured, includes:
sampling a driving path to obtain a plurality of sampling points;
calculating a first distance value between each sampling point and each node to be configured;
grouping each sampling point based on the difference of the nodes to be configured with the minimum first distance value;
integrating and connecting all sampling points in the same group in series to form at least one sectional route;
and associating the segmented route with the nodes to be configured corresponding to the groups.
The working principle and the beneficial effects of the technical scheme are as follows:
determining a plurality of sampling points by sampling the running path, wherein the sampling points are determined by preset distance values for turning intersections, pedestrian crossings and roads among all the intersections, and the distance values can be set to be 100 meters; grouping according to the distance between the sampling point and each node to be configured; and dividing the sampling points close to the same node to be configured into the same subsection route, and associating the subsection route with the corresponding node to be configured, so that the shortest communication distance between the automobile running on the subsection route and the node to be configured is ensured, and the communication effect is further ensured.
In one embodiment, determining the travel time for each of the segmented routes comprises:
acquiring a historical driving record of an automobile;
analyzing historical driving records and determining historical driving time of a plurality of sectional routes;
determining a driving time corresponding to the segmented route based on a plurality of historical driving times;
and/or the presence of a gas in the gas,
acquiring current driving parameter data of an automobile;
acquiring a first limiting parameter and a first road condition of a current driving road of an automobile;
determining a subjective deviation factor based on the driving parameter data, the first limiting parameter and the first road condition;
acquiring a second limiting parameter and a second road condition of each sectional route;
dividing the sectional route into line units based on a second limiting parameter and a second road condition;
determining driving parameter data corresponding to each line unit based on the second limiting parameter, the second road condition and the subjective deviation coefficient of each line;
determining the driving time of each line unit based on the driving parameter data corresponding to each line unit and the distance length of each line unit;
based on the travel time of each link unit, the travel time of each segment route is determined.
The working principle and the beneficial effects of the technical scheme are as follows:
the determination of the travel time corresponding to each sectional route can be mainly performed in the following manner: the historical data analysis method can be used for determining the average value of the historical driving time of the driving on the segmented route in the historical driving record; the subjective deviation coefficient can be analyzed by integrating the current driving parameter data (driving speed), the first limiting parameter (limiting speed) of the road and the first road condition (road property, traffic flow condition of the road and the like), the driving speed of the user on each segmented route on the driving path is determined, and after the driving speed is determined, the driving time of each segmented route can be determined according to the length of the road; wherein determining a subjective deviation factor based on the driving parameter data, the first limiting parameter and the first road condition comprises: extracting characteristics of the driving parameter data, the first limiting parameter and the first road condition, and extracting a plurality of characteristic values; constructing a feature vector based on the plurality of feature values; acquiring a preset subjective coefficient judgment library; calculating the similarity between the feature vector and each judgment vector in the subjective coefficient judgment library, wherein a similarity calculation formula is as follows:
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wherein, the water-soluble polymer is a polymer,
Figure 427106DEST_PATH_IMAGE012
similarity between the feature vector and the judgment vector is obtained;
Figure 749502DEST_PATH_IMAGE013
is the first of the feature vector
Figure 297158DEST_PATH_IMAGE001
A parameter value;
Figure 388611DEST_PATH_IMAGE014
to judge the second of the vector
Figure 97941DEST_PATH_IMAGE001
A parameter value;
Figure 376476DEST_PATH_IMAGE015
the total number of the parameters of the characteristic vector or the total number of the parameters of the judgment vector; when the similarity is the maximum in the subjective coefficient judgment base and is greater than a preset threshold value (0.95), acquiring the subjective coefficient corresponding to the judgment vector corresponding to the similarity; for example: in the feature extraction link, when the feature value representing the road traffic flow condition is 1, the feature value is used for extracting the feature value representing the road traffic flow condition, and the traffic flow per hour of the road is 10 or less; when the number is 2, the traffic flow of the road per hour is 10 to 100; when the number is 3, the traffic flow of the road per hour is 100 to 1000; when 4, the traffic flow per hour of the road is 1000 or more. Further, the value rule of the feature value indicating the road property may be defined as follows: the value of the road is 1 for the road in front of the traffic light intersection; the value of the road behind the traffic light intersection is 2; the value of a road with a pedestrian crossing is 3; the value of the road of the straight-going unmanned crosswalk, station parking spot and the like is 0; and the like. Determining driving parameter data corresponding to each line unit based on the second limiting parameter, the second road condition and the subjective deviation coefficient of each line; the method comprises the following specific steps: extracting the characteristics of the second limiting parameter, the second road condition and the subjective deviation coefficient, and constructing a speed determination vector; determining driving parameter data based on the speed determination vector and a preset speed determination library; in determining the travel parameter data, the speed determination vector is subjected to similarity matching with a standard vector associated with the travel parameter data, and the travel parameter data (travel speed) is determined from the speed determination library.
In one embodiment, configuring target video data for nodes to be configured associated with a segmented route based on travel time comprises:
acquiring initial playing time of each video clip of target video data; the initial playing time is the playing time of the video clip without any fast forward operation and other operations;
acquiring the film watching habit of a viewer in the automobile; the film watching habits comprise: double speed selection, double speed adjustment of attention segments, characteristics of video segments of interest, and the like;
adjusting the initial playing time based on the film watching habit, and determining the predicted playing time interval of each video clip; for example: the viewer prefers to watch the video at double speed, namely the predicted playing time is adjusted to be one half of the initial playing time; the predicted playing time interval is an interval between the starting time and the ending time of the video clip in the target video data;
correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the interval of the driving time of each sectional route; the section of the driving time is the section from the starting time of the automobile entering the sectional route to the ending time of the automobile exiting the sectional route;
configuring the data of the target video data corresponding to each video clip on the node to be configured corresponding to the corresponding subsection route to form a data configuration node;
the method for correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the driving time interval of each sectional route comprises the following steps:
obtaining cache parameters of a video player of the vehicle-mounted terminal;
determining the cache playing time corresponding to the minimum cache data based on the cache parameters;
will be first
Figure 118036DEST_PATH_IMAGE001
The section of the travel time corresponding to each sectional route is recorded as
Figure 532837DEST_PATH_IMAGE002
Wherein, the water-soluble polymer is a polymer,
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is equal to the value of
Figure 178899DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 192991DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 134402DEST_PATH_IMAGE005
；
will be first
Figure 575748DEST_PATH_IMAGE001
The corresponding associated predicted playing time interval of each sectional route is recorded as
Figure 969820DEST_PATH_IMAGE006
Wherein when
Figure 787603DEST_PATH_IMAGE007
When the temperature of the water is higher than the set temperature,
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is equal to the value of
Figure 523664DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 467349DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 823244DEST_PATH_IMAGE009
、
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is equal to the sum of the travel time and the buffer play time corresponding to the 1 st segment route. The cache play data is configured on the first subsection route, so that accidents in the data transmission process are guaranteed, the cache gives the system to call the data for relay transmission reaction time, and the film watching experience of a user is improved; furthermore, the data in the corresponding data configuration node is divided into two parts from the second subsection route, wherein the first half part is backed up in the data configuration node corresponding to the last subsection route, and the second half part is backed up in the data node corresponding to the next subsection route; prevent the sectional roadWhen the data configuration node of the line can not complete the data transmission accident, the data configuration node corresponding to the previous subsection route and the data configuration node corresponding to the next subsection route can carry out bit complement transmission.
In one embodiment, the shortest distance of the nodes to be configured corresponding to the distance of each segmented route is calculated; when the shortest distance is greater than a preset distance threshold (for example, 1.5 kilometers), data which should be originally configured to the node to be configured corresponding to the segmented route is configured to the node to be configured, of which the shortest distance from the node to be configured corresponding to the previous distance is less than or equal to the distance threshold, so as to ensure that the distance between the data configuration node and the vehicle-mounted terminal has a better data transmission distance.
In one embodiment, the vehicle-mounted wireless network video data resource allocation and scheduling method further comprises the following steps:
when the data of the target video data configured on the data configuration node corresponding to the current driving subsection route of the automobile is transmitted to the vehicle-mounted terminal, acquiring the cache data information of the vehicle-mounted terminal in real time;
when the playing time corresponding to the cache data is less than the cache playing time, acquiring the remaining running time of the current sectional route; and data corresponding to the remaining travel time are called from the next data configuration node to the data configuration node associated with the sectional route.
The next data configuration node is used for data calling, so that the operations of fast forwarding and the like of the target video data by the viewer are guaranteed, the cache playing time is insufficient, and the personalized film watching requirements of the viewer can be met.
In one embodiment, the vehicle-mounted wireless network video data resource allocation and scheduling method further comprises the following steps:
when the automobile is parked and flamed out, access information of mobile terminal equipment which is around the vehicle-mounted terminal and is associated with the vehicle-mounted terminal is obtained;
connecting with the mobile terminal equipment based on the access information, and allocating the remaining unplayed data of the target video data to a data allocation node closest to the mobile terminal equipment; transmitted by the data configuration node to the mobile terminal device.
The working principle and the beneficial effects of the technical scheme are as follows:
after the automobile is parked and flamed out, the target of the target video data is converted to be released into the mobile terminal of the user, the user can directly start to watch the rest part of the target video data without searching the target video data through the mobile terminal, and the watching experience of the user is further improved.
The invention also provides a vehicle-mounted wireless network video data resource allocation and scheduling system, as shown in fig. 2, comprising:
the target video data determining module 1 is used for acquiring a video acquisition request of a user and determining target video data based on the video acquisition request;
the node to be configured determining module 2 is used for acquiring a transmission node capable of transmitting data on a driving path of the automobile as the node to be configured;
the segmentation association module 3 is used for segmenting the driving path based on the position of the node to be configured, acquiring a plurality of segmentation routes and associating the segmentation routes with the node to be configured;
the configuration module 4 is used for determining the corresponding running time of each sectional route; and configuring target video data for the nodes to be configured associated with the sectional routes based on the driving time to form data configuration nodes.
In one embodiment, when the to-be-configured node determination module 2 obtains a transmission node capable of transmitting data on a driving path of an automobile as the to-be-configured node, the following operations are performed:
acquiring a driving path of an automobile;
acquiring a transmission node capable of transmitting data on a driving path as a node to be configured;
wherein, obtain the route of traveling of car, include:
acquiring a navigation path selected by a user as a driving path through a vehicle-mounted navigation system;
and/or the presence of a gas in the gas,
acquiring a historical driving record of an automobile;
determining a driving path based on the driving route of the automobile and the historical driving record;
and/or the presence of a gas in the gas,
acquiring the driving direction of the automobile;
acquiring a road distribution map within a preset first distance threshold value by taking the position of the automobile as the center;
based on the road map and the driving direction, a plurality of driving paths are determined.
In one embodiment, the to-be-configured node determining module 2 obtains a transmission node capable of transmitting data on a driving path as the to-be-configured node, and performs the following operations:
acquiring a distribution diagram of transmission nodes capable of transmitting data;
mapping the driving path into a distribution map;
calculating the shortest distance from each transmission node to a driving path in the distribution diagram;
and when the shortest distance is less than or equal to a preset second distance threshold value, taking the transmission node as a node to be configured.
In one embodiment, the segmentation associating module 3 segments the driving path based on the position of the node to be configured, obtains a plurality of segmentation routes and associates the segmentation routes with the node to be configured, and performs the following operations:
sampling a driving path to obtain a plurality of sampling points;
calculating a first distance value between each sampling point and each node to be configured;
grouping each sampling point based on the difference of the nodes to be configured with the minimum first distance value;
integrating and connecting all sampling points in the same group in series to form at least one sectional route;
and associating the segmented route with the nodes to be configured corresponding to the groups.
In one embodiment, the configuration module 4 determines the travel time corresponding to each of the segmented routes, and performs the following operations:
acquiring a historical driving record of an automobile;
analyzing historical driving records and determining historical driving time of a plurality of sectional routes;
determining a driving time corresponding to the segmented route based on a plurality of historical driving times;
and/or the presence of a gas in the gas,
acquiring current driving parameter data of an automobile;
acquiring a first limiting parameter and a first road condition of a current driving road of an automobile;
determining a subjective deviation factor based on the driving parameter data, the first limiting parameter and the first road condition;
acquiring a second limiting parameter and a second road condition of each sectional route;
dividing the sectional route into line units based on a second limiting parameter and a second road condition;
determining driving parameter data corresponding to each line unit based on the second limiting parameter, the second road condition and the subjective deviation coefficient of each line;
determining the driving time of each line unit based on the driving parameter data corresponding to each line unit and the distance length of each line unit;
based on the travel time of each link unit, the travel time of each segment route is determined.
In one embodiment, the configuration module 4 configures target video data for nodes to be configured associated with the segment routes based on the travel time to form data configuration nodes, and performs the following operations:
acquiring initial playing time of each video clip of target video data;
acquiring the film watching habit of a viewer in the automobile;
adjusting the initial playing time based on the film watching habit, and determining the predicted playing time interval of each video clip;
correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the interval of the driving time of each sectional route;
configuring the data of the target video data corresponding to each video clip on the node to be configured corresponding to the corresponding subsection route to form a data configuration node;
the method for correspondingly associating each video clip with each sectional route based on the predicted playing time interval of each video clip and the driving time interval of each sectional route comprises the following steps:
obtaining cache parameters of a video player of the vehicle-mounted terminal;
determining the cache playing time corresponding to the minimum cache data based on the cache parameters;
will be first
Figure 522396DEST_PATH_IMAGE001
The section of the travel time corresponding to each sectional route is recorded as
Figure 687798DEST_PATH_IMAGE002
Wherein, the water-soluble polymer is a polymer,
Figure 722750DEST_PATH_IMAGE003
is equal to the value of
Figure 352315DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 775206DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 427904DEST_PATH_IMAGE005
；
will be first
Figure 968DEST_PATH_IMAGE001
The corresponding associated predicted playing time interval of each sectional route is recorded as
Figure 750618DEST_PATH_IMAGE006
Wherein when
Figure 16514DEST_PATH_IMAGE007
When the temperature of the water is higher than the set temperature,
Figure 953246DEST_PATH_IMAGE008
is equal to the value of
Figure 595580DEST_PATH_IMAGE001
The driving time corresponding to each sectional route; when in use
Figure 199737DEST_PATH_IMAGE004
When the temperature of the water is higher than the set temperature,
Figure 433272DEST_PATH_IMAGE009
、
Figure 998246DEST_PATH_IMAGE010
is equal to the sum of the travel time and the buffer play time corresponding to the 1 st segment route.
In one embodiment, the vehicle-mounted wireless network video data resource allocation and scheduling system further comprises: a scheduling module;
the scheduling module performs the following operations:
when the data of the target video data configured on the data configuration node corresponding to the current driving subsection route of the automobile is transmitted to the vehicle-mounted terminal, acquiring the cache data information of the vehicle-mounted terminal in real time;
when the playing time corresponding to the cache data is less than the cache playing time, acquiring the remaining running time of the current sectional route; and data corresponding to the remaining travel time are called from the next data configuration node to the data configuration node associated with the sectional route.
In one embodiment, the vehicle-mounted wireless network video data resource allocation and scheduling system further comprises: a target conversion module;
the target conversion module performs the following operations:
when the automobile is parked and flamed out, access information of mobile terminal equipment which is around the vehicle-mounted terminal and is associated with the vehicle-mounted terminal is obtained;
connecting with the mobile terminal equipment based on the access information, and allocating the remaining unplayed data of the target video data to a data allocation node closest to the mobile terminal equipment; transmitted by the data configuration node to the mobile terminal device.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1.一种车载无线网络视频数据资源配置与调度方法，其特征在于，包括：1. a vehicle wireless network video data resource configuration and scheduling method, is characterized in that, comprising: 获取用户的视频获取请求，基于所述视频获取请求确定目标视频数据；Acquiring a user's video acquisition request, and determining target video data based on the video acquisition request; 获取汽车的行驶路径上可传输数据的传输节点作为待配置节点；Obtain the transmission node that can transmit data on the driving path of the car as the node to be configured; 基于所述待配置节点的位置对所述行驶路径进行分段，获取多个分段路线并将所述分段路线与所述待配置节点相关联；Segmenting the travel path based on the location of the node to be configured, acquiring a plurality of segmented routes and associating the segmented routes with the node to be configured; 确定各个所述分段路线对应的行驶时间；并基于所述行驶时间，为所述分段路线相关联的所述待配置节点配置所述目标视频数据，形成数据配置节点。determining the travel time corresponding to each segment route; and configuring the target video data for the node to be configured associated with the segment route based on the travel time to form a data configuration node. 2.如权利要求1所述的车载无线网络视频数据资源配置与调度方法，其特征在于，所述获取汽车的行驶路径上可传输数据的传输节点作为待配置节点，包括：2. The vehicle wireless network video data resource configuration and scheduling method as claimed in claim 1, wherein the acquisition of the transmission node that can transmit data on the driving path of the vehicle is used as a node to be configured, comprising: 获取汽车的行驶路径；Get the driving path of the car; 获取所述行驶路径上可传输数据的传输节点作为待配置节点；Acquiring a transmission node that can transmit data on the travel path as a node to be configured; 其中，所述获取汽车的行驶路径，包括：Wherein, the obtaining of the driving path of the car includes: 通过车载导航系统获取用户选择的导航路径作为所述行驶路径；Obtain the navigation path selected by the user as the driving path through the in-vehicle navigation system; 和/或，and / or, 获取汽车的历史行驶记录；Get the historical driving record of the car; 基于汽车本次行驶已行驶的线路和所述历史行驶记录，确定所述行驶路径；Determine the travel route based on the route that the car has traveled this time and the historical travel record; 和/或，and / or, 获取汽车的行驶方向；Get the driving direction of the car; 获取以所述汽车的所在位置为中心的预设的第一距离阈值内的道路分布图；acquiring a road distribution map within a preset first distance threshold centered on the location of the car; 基于所述道路分布图和所述行驶方向，确定多条所述行驶路径。A plurality of the travel paths are determined based on the road map and the travel direction. 3.如权利要求2所述的车载无线网络视频数据资源配置与调度方法，其特征在于，所述获取所述行驶路径上可传输数据的传输节点作为待配置节点，包括：3. The vehicle wireless network video data resource configuration and scheduling method according to claim 2, wherein the acquisition of a transmission node that can transmit data on the travel path as a node to be configured comprises: 获取可传输数据的传输节点的分布图；Obtain the distribution map of the transmission nodes that can transmit data; 将所述行驶路径映射至所述分布图中；mapping the travel path to the distribution map; 计算所述分布图中各个所述传输节点至所述行驶路径的最短距离；calculating the shortest distance from each of the transmission nodes in the distribution graph to the travel path; 当所述最短距离小于等于预设的第二距离阈值时，将所述传输节点作为所述待配置节点。When the shortest distance is less than or equal to a preset second distance threshold, the transmission node is used as the to-be-configured node. 4.如权利要求1所述的车载无线网络视频数据资源配置与调度方法，其特征在于，所述基于所述待配置节点的位置对所述行驶路径进行分段，获取多个分段路线并将所述分段路线与所述待配置节点相关联，包括：4. The vehicle wireless network video data resource configuration and scheduling method according to claim 1, wherein the travel path is segmented based on the position of the node to be configured, a plurality of segmented routes are obtained and Associating the segmented route with the node to be configured includes: 对所述行驶路径进行采样，获取多个采样点；sampling the travel path to obtain a plurality of sampling points; 计算各个采样点距离各个所述待配置节点的第一距离值；Calculate the first distance value of each sampling point from each of the nodes to be configured; 基于所述第一距离值最小的所述待配置节点的不同对各个所述采样点进行分组；grouping each of the sampling points based on the difference of the nodes to be configured with the smallest first distance value; 将同一分组内的各个所述采样点进行整合串联，形成至少一个所述分段路线；Integrating and concatenating each of the sampling points in the same group to form at least one of the segmented routes; 将所述分段路线与所述分组对应的所述待配置节点进行关联。Associating the segment route with the node to be configured corresponding to the group. 5.如权利要求1所述的车载无线网络视频数据资源配置与调度方法，其特征在于，所述确定各个所述分段路线对应的行驶时间，包括：5. The vehicle wireless network video data resource configuration and scheduling method according to claim 1, wherein the determining the travel time corresponding to each of the segmented routes comprises: 获取汽车的历史行驶记录；Get the historical driving record of the car; 解析所述历史行驶记录，确定多个所述分段路线的历史行驶时间；Parsing the historical travel records to determine the historical travel times of a plurality of the segmented routes; 基于多个所述历史行驶时间，确定所述分段路线对应的所述行驶时间；determining the travel time corresponding to the segmented route based on a plurality of the historical travel times; 和/或，and / or, 获取汽车的当前的行驶参数数据；Get the current driving parameter data of the car; 获取汽车的当前行驶的道路的第一限制参数及第一道路情况；Obtain the first restriction parameter and the first road condition of the road on which the car is currently traveling; 基于所述行驶参数数据、所述第一限制参数和所述第一道路情况，确定主观偏差系数；determining a subjective deviation coefficient based on the driving parameter data, the first restriction parameter, and the first road condition; 获取各个所述分段路线的第二限制参数及第二道路情况；acquiring second restriction parameters and second road conditions of each of the segmented routes; 基于所述第二限制参数和所述第二道路情况，将所述分段路线分为各个线路单元；dividing the segmented route into individual route units based on the second restriction parameter and the second road condition; 基于各个线路的所述第二限制参数、所述第二道路情况和所述主观偏差系数，确定各个线路单元对应的行驶参数数据；determining the driving parameter data corresponding to each line unit based on the second restriction parameter, the second road condition and the subjective deviation coefficient of each line; 基于各个线路单元对应的行驶参数数据和各个线路单元的路程长度，确定各个所述线路单元的行驶时间；determining the travel time of each line unit based on the travel parameter data corresponding to each line unit and the distance length of each line unit; 基于各个所述线路单元的行驶时间，确定各个分段路线的行驶时间。Based on the travel time of each of the line units, the travel time of each segment route is determined. 6.如权利要求1所述的车载无线网络视频数据资源配置与调度方法，其特征在于，所述基于所述行驶时间，为所述分段路线相关联的所述待配置节点配置所述目标视频数据，包括：6. The vehicle wireless network video data resource configuration and scheduling method according to claim 1, wherein the target is configured for the to-be-configured node associated with the segmented route based on the travel time Video data, including: 获取所述目标视频数据的各个视频片段的初始播放时间；Obtain the initial playback time of each video clip of the target video data; 获取汽车内观看人的观影习惯；Obtain the viewing habits of people in the car; 基于所述观影习惯对所述初始播放时间进行调整，确定各个视频片段的预测播放时间区间；Adjust the initial playback time based on the viewing habits, and determine the predicted playback time interval of each video clip; 基于各个所述视频片段的预测播放时间区间与各个所述分段路线的所述行驶时间的区间，将各个所述视频片段与各个所述分段路线进行对应关联；Correspondingly associate each of the video clips with each of the segmented routes based on the predicted playback time interval of each of the video clips and the travel time interval of each of the segmented routes; 将各个视频片段对应的所述目标视频数据的数据配置在其对应的所述分段路线对应的所述待配置节点上，形成数据配置节点；configuring the data of the target video data corresponding to each video segment on the to-be-configured node corresponding to the corresponding segment route to form a data configuration node; 其中，基于各个所述视频片段的预测播放时间区间与各个所述分段路线的所述行驶时间的区间，将各个所述视频片段与各个所述分段路线进行对应关联，包括：Wherein, based on the predicted playback time interval of each of the video clips and the interval of the travel time of each of the segmented routes, the corresponding association between each of the video clips and each of the segmented routes includes: 获取车载终端的视频播放器的缓存参数；Obtain the cache parameters of the video player of the vehicle terminal; 基于所述缓存参数，确定最小的缓存数据对应的缓存播放时间；Based on the cache parameter, determine the cache play time corresponding to the smallest cache data; 将第
Figure 514034DEST_PATH_IMAGE001
个所述分段路线对应的所述行驶时间的区间记为
Figure 238276DEST_PATH_IMAGE002
;其中，
Figure 845975DEST_PATH_IMAGE003
的值等于第
Figure 22878DEST_PATH_IMAGE001
个所述分段路线对应的所述行驶时间；当
Figure 741436DEST_PATH_IMAGE004
时，
Figure 54605DEST_PATH_IMAGE005
； will
Figure 514034DEST_PATH_IMAGE001
The section of the travel time corresponding to each of the segmented routes is denoted as
Figure 238276DEST_PATH_IMAGE002
;in,
Figure 845975DEST_PATH_IMAGE003
The value of is equal to the
Figure 22878DEST_PATH_IMAGE001
the travel time corresponding to each of the segmented routes; when
Figure 741436DEST_PATH_IMAGE004
hour,
Figure 54605DEST_PATH_IMAGE005
; 将第
Figure 98785DEST_PATH_IMAGE001
个所述分段路线对应关联的预测播放时间区间记为
Figure 762984DEST_PATH_IMAGE006
;其中，当
Figure 285232DEST_PATH_IMAGE007
时，
Figure 452908DEST_PATH_IMAGE008
的值等于第
Figure 667989DEST_PATH_IMAGE001
个所述分段路线对应的所述行驶时间；当
Figure 350643DEST_PATH_IMAGE004
时，
Figure 676582DEST_PATH_IMAGE009
、
Figure 964344DEST_PATH_IMAGE010
的值等于第1个所述分段路线对应的所述行驶时间与所述缓存播放时间的和值。 will
Figure 98785DEST_PATH_IMAGE001
The corresponding predicted play time intervals of the segment routes are denoted as
Figure 762984DEST_PATH_IMAGE006
; where, when
Figure 285232DEST_PATH_IMAGE007
hour,
Figure 452908DEST_PATH_IMAGE008
The value of is equal to the
Figure 667989DEST_PATH_IMAGE001
the travel time corresponding to each of the segmented routes; when
Figure 350643DEST_PATH_IMAGE004
hour,
Figure 676582DEST_PATH_IMAGE009
,
Figure 964344DEST_PATH_IMAGE010
The value of is equal to the sum of the travel time and the cache play time corresponding to the first segment route. 7.如权利要求6所述的车载无线网络视频数据资源配置与调度方法，其特征在于，还包括：7. The vehicle wireless network video data resource configuration and scheduling method as claimed in claim 6, further comprising: 当汽车当前行驶的所述分段路线所对应的所述数据配置节点上配置的所述目标视频数据的数据都传输至车载终端后，实时获取车载终端的缓存数据信息；After all the data of the target video data configured on the data configuration node corresponding to the segmented route the car is currently traveling is transmitted to the vehicle terminal, acquire the cached data information of the vehicle terminal in real time; 当所述缓存数据对应的播放时间小于所述缓存播放时间时，获取当前的所述分段路线的剩余行驶时间；并从下一个数据配置节点上调取对应所述剩余行驶时间的数据至所述分段路线相关联的所述数据配置节点。When the play time corresponding to the cached data is less than the cache play time, obtain the current remaining travel time of the segmented route; and retrieve the data corresponding to the remaining travel time from the next data configuration node to the the data configuration node associated with the segment route. 8.如权利要求1所述的车载无线网络视频数据资源配置与调度方法，其特征在于，还包括：8. The vehicle wireless network video data resource configuration and scheduling method as claimed in claim 1, further comprising: 当汽车停车熄火后，获取所述车载终端周围与所述车载终端相关联的移动终端设备的接入信息；After the car is parked and turned off, obtain access information of the mobile terminal equipment associated with the on-board terminal around the on-board terminal; 基于所述接入信息与所述移动终端设备连接，并将所述目标视频数据剩余未播放的数据调配至距离所述移动终端设备最近的所述数据配置节点；由所述数据配置节点向所述移动终端设备传输。Connect with the mobile terminal device based on the access information, and allocate the remaining unplayed data of the target video data to the data configuration node closest to the mobile terminal device; The mobile terminal equipment transmission. 9.一种车载无线网络视频数据资源配置与调度系统，其特征在于，包括：9. A vehicle wireless network video data resource configuration and scheduling system, characterized in that, comprising: 目标视频数据确定模块，用于获取用户的视频获取请求，基于所述视频获取请求确定目标视频数据；a target video data determination module, configured to acquire a user's video acquisition request, and determine target video data based on the video acquisition request; 待配置节点确定模块，用于获取汽车的行驶路径上可传输数据的传输节点作为待配置节点；a node-to-be-configured determination module, used for acquiring a transmission node that can transmit data on the driving path of the vehicle as a node to be configured; 分段关联模块，用于基于所述待配置节点的位置对所述行驶路径进行分段，获取多个分段路线并将所述分段路线与所述待配置节点相关联；a segment association module, configured to segment the travel path based on the location of the node to be configured, obtain a plurality of segment routes and associate the segment route with the node to be configured; 配置模块，用于确定各个所述分段路线对应的行驶时间；并基于所述行驶时间，为所述分段路线相关联的所述待配置节点配置所述目标视频数据，形成数据配置节点。A configuration module is configured to determine the travel time corresponding to each segmented route; and based on the travel time, configure the target video data for the node to be configured associated with the segmented route to form a data configuration node. 10.如权利要求9所述的车载无线网络视频数据资源配置与调度系统，其特征在于，所述待配置节点确定模块获取汽车的行驶路径上可传输数据的传输节点作为待配置节点时，执行如下操作：10. The vehicle wireless network video data resource configuration and scheduling system according to claim 9, wherein when the node to be configured determination module obtains a transmission node that can transmit data on the driving path of the vehicle as a node to be configured, executes Do as follows: 获取汽车的行驶路径；Get the driving path of the car; 获取所述行驶路径上可传输数据的传输节点作为待配置节点；Acquiring a transmission node that can transmit data on the travel path as a node to be configured; 其中，所述获取汽车的行驶路径，包括：Wherein, the obtaining of the driving path of the car includes: 通过车载导航系统获取用户选择的导航路径作为所述行驶路径；Obtain the navigation path selected by the user as the driving path through the in-vehicle navigation system; 和/或，and / or, 获取汽车的历史行驶记录；Get the historical driving record of the car; 基于汽车本次行驶已行驶的线路和所述历史行驶记录，确定所述行驶路径；Determine the travel route based on the route that the car has traveled this time and the historical travel record; 和/或，and / or, 获取汽车的行驶方向；Get the driving direction of the car; 获取以所述汽车的所在位置为中心的预设的第一距离阈值内的道路分布图；acquiring a road distribution map within a preset first distance threshold centered on the location of the car; 基于所述道路分布图和所述行驶方向，确定多条所述行驶路径。A plurality of the travel paths are determined based on the road map and the travel direction.
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