CN107454574A - Device-to-device D2D communication means, device and car networking terminal - Google Patents
Device-to-device D2D communication means, device and car networking terminal Download PDFInfo
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- CN107454574A CN107454574A CN201610373461.2A CN201610373461A CN107454574A CN 107454574 A CN107454574 A CN 107454574A CN 201610373461 A CN201610373461 A CN 201610373461A CN 107454574 A CN107454574 A CN 107454574A
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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
- H04W4/12—Messaging; Mailboxes; Announcements
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Abstract
The invention discloses a kind of device-to-device D2D communication means and device, wherein, this method includes：Car networking terminal sets the time slot position for sending the cycle and sending D2D periodic messages of the D2D resources of car networking terminal according to the resource allocation information received；For each transmission cycle, when the time slot position of D2D periodic messages in monitoring the currently transmitted cycle reaches, car networking terminal sends current D2D periodic messages to recipient.Device-to-device D2D provided in an embodiment of the present invention communication means, send D2D periodic messages with realizing car networking terminal periodic, recipient is allowd to provide reliable foundation according to the D2D periodic messages received for follow-up car networking business (for example, vehicle early warning and vehicle trouble are analyzed).
Description
Technical field
The present invention relates to car networking communication technical field, more particularly to a kind of device-to-device D2D communication means, device and
Car networking terminal.
Background technology
Device-to-device D2D (Device-to-Device) communication technology refers to the user equipment realized based on D2D technologies
, can not be by the transfer of network infrastructure, between equipment when entering row data communication between (referred to as, D2D user equipmenies)
Can directly it be communicated, such communication does not need the participation of network infrastructure, reduces the burden of basic network equipment,
Reduce the battery power consumption of user equipment, improve data rate, and improve the robustness of network infrastructure, meet well
State the requirement of high data rate traffic and adjacent service.
Car networking communication system is that the information of vehicle and road is obtained based on wireless communication technology, is handed over by car car, bus or train route information
Mutually and it is shared realize intelligent coordinated with coordinating between vehicle and infrastructure, reach Optimum utilization system resource, improve road and hand over
Logical safety, the purpose for alleviating traffic congestion.Car networking communication system is the important basic technology of intelligent transportation field, has height
The actual application value of degree, thus paid close attention to by many automobile vendors.
In correlation technique in car networking communication system, most of road sudden instability mode is only that accident alarm board carries
Show, or by traffic police's floor manager, easily cause large area, prolonged traffic congestion.This is being travelled mainly due to vehicle
During, it is impossible to the relevant information (such as positional information and running status) of itself is informed into vehicle network communication system in time
Or other vehicles adjacent thereto, so as to cause other vehicles not know that accident occurs for road ahead, so as to driver can not and
When adjust the travel route of oneself, in turn resulted in congestion in road.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the present invention is to propose a kind of device-to-device D2D communication means, the reality realizes car
Networked terminals periodically send D2D periodic messages so that recipient can be according to the D2D periodic messages received
Follow-up car networking business (for example, vehicle early warning and vehicle trouble analysis) provides reliable foundation.
Second object of the present invention is to propose a kind of device-to-device D2D communicator.
Third object of the present invention is to propose a kind of car networking terminal.
For the above-mentioned purpose, first aspect present invention embodiment proposes a kind of device-to-device D2D communication means, including：
Car networking terminal sets transmission cycle and the transmission of the D2D resources of the car networking terminal according to the resource allocation information received
The time slot position of D2D periodic messages；For each transmission cycle, D2D periodically disappears in the currently transmitted cycle is monitored
When the time slot position of breath reaches, the car networking terminal sends current D2D periodic messages to recipient.
In one embodiment of the invention, the car networking terminal sends current D2D periodic messages to recipient, including：
The car networking terminal obtains the current D2D periodic messages of vehicle, and will the currently D2D periodic messages
Send to the recipient.
In one embodiment of the invention, the current D2D periodic messages include the current location information and/or current
Running state information.
In one embodiment of the invention, methods described also includes：
When the car networking terminal sends aperiodicity information, the car networking terminal selection is used with D2D periodic messages
Other time slots outside time slot position send the aperiodicity message.
In one embodiment of the invention, methods described also includes：
The car networking terminal receives the positional information of other vehicles transmitted by sending side terminal.
In one embodiment of the invention, the aperiodicity message includes video, audio, picture and word.
Device-to-device D2D according to embodiments of the present invention communication means, D2D is set according to the resource allocation information received
The time slot position for sending the cycle and sending D2D periodic messages of resource, and the fixation time slot in each cycle is sent D2D weeks
Phase property message to recipient, hereby it is achieved that car networking terminal periodic send D2D periodic messages so that recipient
Can be follow-up car networking business (for example, vehicle early warning and vehicle trouble are analyzed) according to the D2D periodic messages received
Reliable foundation is provided.When the positional information and running state information of vehicle are included especially in D2D periodicity, root is received
The position of vehicle is monitored according to positional information, and understands the vehicle where car networking terminal in time by running state information
Operation conditions.
For the above-mentioned purpose, second aspect of the present invention embodiment proposes a kind of device-to-device D2D communicator, including：
Setting module, transmission cycle and transmission for the D2D resources according to the resource allocation information setting car networking terminal received
The time slot position of D2D periodic messages；First processing module, it is currently transmitted monitoring for for each transmission cycle
When the time slot position of D2D periodic messages reaches in cycle, the current D2D periodic messages of vehicle are obtained, and are sent to connecing
Debit, wherein, the current D2D periodic messages include the current location information and/or current operating conditions information.
In one embodiment of the invention, the first processing module, is specifically used for：
The current D2D periodic messages of vehicle are obtained, and the current D2D periodic messages are sent to the reception
Side.
In one embodiment of the invention, the current D2D periodic messages include the current location information and/or current
Running state information.
In one embodiment of the invention, described device also includes：
Second processing module, for when sending aperiodicity information, selection to use time slot position with D2D periodic messages
Other outer time slots send the aperiodicity message.
In one embodiment of the invention, described device also includes：
Second provides module, for receiving the positional information of other vehicles transmitted by sending side terminal.
In one embodiment of the invention, the aperiodicity message includes video, audio, picture and word.
Device-to-device D2D according to embodiments of the present invention communicator, setting module are believed according to the resource distribution received
Breath sets the time slot position for sending the cycle and sending D2D periodic messages of D2D resources, and first processing module is in each week
The fixation time slot of phase sends D2D periodic messages to recipient, hereby it is achieved that car networking terminal periodic send D2D
Periodic message so that recipient can according to the D2D periodic messages received for follow-up car networking business (for example,
Vehicle early warning and vehicle trouble analysis) reliable foundation is provided.Especially in D2D periodicity comprising vehicle positional information and
During running state information, recipient is monitored according to positional information to the position of vehicle, and timely by running state information
The operation conditions of vehicle where understanding car networking terminal.
For the above-mentioned purpose, third aspect present invention embodiment proposes a kind of car networking terminal, including：Second aspect is implemented
The device-to-device D2D of example communicator.
Car networking terminal according to embodiments of the present invention, the transmission week of D2D resources is set according to the resource allocation information received
Phase and the time slot position for sending D2D periodic messages, and the fixation time slot in each cycle sends D2D periodic messages to connecing
Debit, hereby it is achieved that car networking terminal periodic send D2D periodic messages so that recipient can be according to reception
The D2D periodic messages arrived provide reliable for follow-up car networking business (for example, vehicle early warning and vehicle trouble analysis)
Foundation.When the positional information and running state information of vehicle are included especially in D2D periodicity, recipient is according to positional information
The position of vehicle is monitored, and understands by running state information the operation conditions of the vehicle where car networking terminal in time.
Brief description of the drawings
Fig. 1 is the flow chart of the device-to-device D2D of one embodiment of the invention communication means.
Fig. 2 is the flow chart of the device-to-device D2D of another embodiment of the present invention communication means.
Fig. 3 is the structural representation of device-to-device D2D according to an embodiment of the invention communicator.
Fig. 4 is the structural representation of device-to-device D2D in accordance with another embodiment of the present invention communicator.
Embodiment
Embodiments of the invention are described below in detail, the example of embodiment is shown in the drawings, wherein identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Below with reference to accompanying drawing description
Embodiment is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the device-to-device D2D of embodiment of the present invention communication means, device and car networking terminal is described.
Fig. 1 is the flow chart of the device-to-device D2D of one embodiment of the invention communication means.
As shown in figure 1, device-to-device D2D communication means includes following steps：
S101, car networking terminal set the transmission cycle of the D2D resources of car networking terminal according to the resource allocation information received
With the time slot position for sending D2D periodic messages.
Wherein, D2D periodic messages are the information periodically sent according to required for car networking functional requirement, and D2D periodically disappears
Breath can include but is not limited to positional information, running state information of vehicle etc., can also basis in actual application
The information that car networking functional requirement is sent to periodicity is adjusted, and the embodiment is not construed as limiting for this.
It is to be appreciated that in actual applications, transmission can be fixed in each cycle, and once or repeatedly D2D is periodically
Information, wherein, the number that D2D periodical informations are sent in each cycle is identical with the number of time slot position.
Wherein, the running state information of vehicle can include but is not limited to the speed of vehicle, acceleration, deceleration, failure letter
Breath etc..
Specifically, during using car networking terminal, the hair of car networking terminal D 2D resources can be set in several ways
Send cycle and car networking terminal to send the time slot position of D2D periodic messages, can be configured according to actual scene demand, lifted
Example is described as follows：
As a kind of example, car networking terminal can be by (referred to as, managing car networking with the car networking terminal with management function
Terminal) communication interaction is carried out, and resource allocation information is sent by management car networking terminal, then, car networking terminal is according to connecing
The resource allocation information received sets its own time slot position for sending the cycle and sending D2D periodic messages for sending D2D resources
Put.
In fleet's scene, manager in fleet can be whole by car networking terminal that it is used and other car networkings in fleet
Communication connection is established at end, show in the car networking terminal of manager other car networking terminals in fleet relevant information (for example,
The name information of car networking terminal), in order that obtaining during fleet travels, the operation shape of other vehicles in fleet is understood at any time
Condition, avoid the occurrence of that the vehicle in fleet member out of touch and in fleet occurs and do not know that manager can pass through it
The car networking terminal used sets each vehicle in fleet to send the time slot position of D2D periodical informations and the transmission of D2D resources
Cycle, i.e. the time slot position that each car networking terminal sends D2D periodical informations in fleet is different, each car networking
The transmission cycle that terminal sends D2D resources is identical, and set relevant information is sent into fleet into corresponding car and joined
Network termination.
, wherein it is desired to understand, the transmission cycle of D2D resources is the time that car networking communication system is pre-set.
For example, a total of 4 cars of fleet, the car networking terminal corresponding to this four cars is respectively car networking terminal A, Che Lian
Network termination B, car networking terminal C and car networking terminal D, it is assumed that car networking terminal A user is manager, now, car
Networked terminals A can be established with car networking terminal B, car networking terminal C and car networking terminal D and communicated to connect, and be joined by car
Network termination A is that the time slot position 1 of D2D periodical informations and the transmission cycle of D2D resources are sent corresponding to itself is set, and
The time slot position 2 that D2D periodical informations are sent corresponding to it and the transmission cycle of D2D resources are set for car networking terminal B,
The time slot position 3 that D2D periodical informations are sent corresponding to it and the transmission cycle of D2D resources are set for car networking terminal C,
Car networking terminal D sets the transmission cycle of the time slot position 4 that D2D periodical informations are sent corresponding to it and D2D resources, by
This, is that there is provided it each to send the time slot of D2D periodical informations for each vehicle in fleet, avoids each vehicle transmission
The generation of conflict situations may be caused during D2D periodical informations., wherein it is desired to understand, the manager in fleet can incite somebody to action
D2D periodical informations are sent on each vehicle into fleet, according to demand can also be sent D2D periodical informations in advance
Into the vehicle specified.
, can be by network side to sending cycle and transmission D2D periodic messages in car networking terminal as another example
Time slot position is set.
Specifically, after car networking terminal and car networking communication system establish communication connection, the network in car networking communication system
Side can be that the car networking terminal being currently accessed sets transmission according to the resource allocation information pre-set in car networking communication system
The time slot position for sending cycle and D2D periodic messages of D2D resources.
S102, for each transmission cycle, the time slot position of D2D periodic messages reaches in the currently transmitted cycle is monitored
When, car networking terminal sends current D2D periodic messages to recipient.
The time slot position of D2D periodic messages in each cycle, car networking terminal obtain vehicle current location information and/
Or current operating conditions information, and current location information and/or current operating conditions information are sent to recipient.
, wherein it is desired to explanation, in different application scene, the recipient in the embodiment is different.
For example, in fleet's scene, recipient is the car networking terminal for having in fleet managerial ability.
For another example in common road scene, recipient is to be arranged on the roadside unit by road, and the roadside unit can be with
Received D2D periodical informations are sent to traffic control center, so that positional information of the traffic control center to vehicle
It is monitored, and when monitoring vehicle front and congestion occur, sends congestion to the car networking terminal in vehicle and remind prompting,
So that driver can adjust the drive route of oneself according to prompt message.
In one embodiment of the invention, can be sent in order that obtaining recipient with the sender of identification information to recipient
During the current location information and/or current operating conditions information of vehicle, car networking terminal send current location information and
/ or while current operating conditions information, the identification information of its own can also be sent.Recipient is determined by identification information
The sender of D2D periodic messages.
In one embodiment of the invention, in order that obtaining recipient can identify that received message is that D2D periodically disappears
Breath, can be that the D2D periodic messages set type identification, recipient can be identified received by type identification
Message is D2D periodic messages.For example, car networking terminal can be to set to disappear corresponding to it sending D2D periodic messages
Cease type head, recipient can when including type of message head corresponding to D2D periodic messages in identifying the message received,
It is D2D periodic messages to determine the message.
It in summary it can be seen, send D2D periodic messages to the car networking terminal periodic of the embodiment so that recipient can
To determine the positional information and running state information of car networking terminal place vehicle according to the D2D periodic messages received.
Device-to-device D2D according to embodiments of the present invention communication means, D2D is set according to the resource allocation information received
The time slot position for sending the cycle and sending D2D periodic messages of resource, and the fixation time slot in each cycle is sent D2D weeks
Phase property message to recipient, hereby it is achieved that car networking terminal periodic send D2D periodic messages so that recipient
Can be follow-up car networking business (for example, vehicle early warning and vehicle trouble are analyzed) according to the D2D periodic messages received
Reliable foundation is provided.When the positional information and running state information of vehicle are included especially in D2D periodicity, root is received
The position of vehicle is monitored according to positional information, and understands the vehicle where car networking terminal in time by running state information
Operation conditions.
On the basis of shown in Fig. 1, D2D periodical informations are sent to recipient in car networking terminal, when, car networking is whole
End can also receive the positional information of other vehicles transmitted by sending side terminal that is, car networking terminal can also receive
The positional information of other vehicles, to carry out anti-collision warning, lane change early warning etc. by the positional information of other vehicles, or in car
In team's scene, the positional information of other vehicles can be supplied to user, so that user understands the position letter of other vehicles in fleet
Breath.
Fig. 2 is the flow chart of the device-to-device D2D of another embodiment of the present invention communication means.
As shown in Fig. 2 device-to-device D2D communication means includes following steps：
S201, car networking terminal set the transmission cycle of the D2D resources of car networking terminal according to the resource allocation information received
With the time slot position for sending D2D periodic messages.
Wherein, D2D periodic messages are the information periodically sent according to required for car networking functional requirement, and D2D periodically disappears
Breath can include but is not limited to positional information, running state information of vehicle etc., can also basis in actual application
The information that car networking functional requirement is sent to periodicity is adjusted, and the embodiment is not construed as limiting for this.
It is to be appreciated that in actual applications, transmission can be fixed in each cycle, and once or repeatedly D2D is periodically
Information, wherein, the number that D2D periodical informations are sent in each cycle is identical with the number of time slot position.
Wherein, the running state information of vehicle can include but is not limited to the speed of vehicle, acceleration, deceleration, failure letter
Breath etc..
Specifically, during using car networking terminal, the hair of car networking terminal D 2D resources can be set in several ways
Send cycle and car networking terminal to send the time slot position of D2D periodic messages, can be configured according to actual scene demand, lifted
Example is described as follows：
As a kind of example, car networking terminal can be by (referred to as, managing car networking with the car networking terminal with management function
Terminal) communication interaction is carried out, and resource allocation information is sent by management car networking terminal, then, car networking terminal is according to connecing
The resource allocation information received sets its own time slot position for sending the cycle and sending D2D periodic messages for sending D2D resources
Put.
In fleet's scene, manager in fleet can be whole by car networking terminal that it is used and other car networkings in fleet
Communication connection is established at end, show in the car networking terminal of manager other car networking terminals in fleet relevant information (for example,
The name information of car networking terminal), in order that obtaining during fleet travels, the operation shape of other vehicles in fleet is understood at any time
Condition, avoid the occurrence of that the vehicle in fleet member out of touch and in fleet occurs and do not know that manager can pass through it
The car networking terminal used sets each vehicle in fleet to send the time slot position of D2D periodical informations and the transmission of D2D resources
Cycle, i.e. the time slot position that each car networking terminal sends D2D periodical informations in fleet is different, each car networking
The transmission cycle that terminal sends D2D resources is identical, and set relevant information is sent into fleet into corresponding car and joined
Network termination.
, wherein it is desired to understand, the transmission cycle of D2D resources is the time that car networking communication system is pre-set.
For example, a total of 4 cars of fleet, the car networking terminal corresponding to this four cars is respectively car networking terminal A, Che Lian
Network termination B, car networking terminal C and car networking terminal D, it is assumed that car networking terminal A user is manager, now, car
Networked terminals A can be established with car networking terminal B, car networking terminal C and car networking terminal D and communicated to connect, and be joined by car
Network termination A is that the time slot position 1 of D2D periodical informations and the transmission cycle of D2D resources are sent corresponding to itself is set, and
The time slot position 2 that D2D periodical informations are sent corresponding to it and the transmission cycle of D2D resources are set for car networking terminal B,
The time slot position 3 that D2D periodical informations are sent corresponding to it and the transmission cycle of D2D resources are set for car networking terminal C,
Car networking terminal D sets the transmission cycle of the time slot position 4 that D2D periodical informations are sent corresponding to it and D2D resources, by
This, the time slot of its various transmission D2D periodical information is provided with for each vehicle in fleet, is avoided each vehicle and is sent
The generation of conflict situations may be caused during D2D periodical informations., wherein it is desired to understand, the manager in fleet can incite somebody to action
D2D periodical informations are sent on each vehicle into fleet, according to demand can also be sent D2D periodical informations in advance
Into the vehicle specified.
, can be by network side to sending cycle and transmission D2D periodic messages in car networking terminal as another example
Time slot position is set.
Specifically, after car networking terminal and car networking communication system establish communication connection, the network in car networking communication system
Side can be that the car networking terminal being currently accessed sets transmission according to the resource allocation information pre-set in car networking communication system
The time slot position for sending cycle and D2D periodic messages of D2D resources.
S202, for each transmission cycle, the time slot position of D2D periodic messages reaches in the currently transmitted cycle is monitored
When, car networking terminal sends current D2D periodic messages to recipient.
Time slot position in each cycle, car networking terminal obtain the current location information and/or current operating conditions letter of vehicle
Breath, and current location information and/or current operating conditions information are sent to recipient.
, wherein it is desired to explanation, in different application scene, the recipient in the embodiment is different.
For example, in fleet's scene, recipient is the car networking terminal for having in fleet managerial ability.
For another example in common road scene, recipient is to be arranged on the roadside unit by road, and the roadside unit can be with
Received D2D periodical informations are sent to traffic control center, so that positional information of the traffic control center to vehicle
It is monitored, and when monitoring vehicle front and congestion occur, sends congestion to the car networking terminal in vehicle and remind prompting,
So that driver can adjust the drive route of oneself according to prompt message.
In one embodiment of the invention, can be sent in order that obtaining recipient with the sender of identification information to recipient
During the current location information and/or current operating conditions information of vehicle, car networking terminal send current location information and
/ or while current operating conditions information, send the identification information of its own.Recipient determines the D2D cycles by identification information
The sender of property message.
In one embodiment of the invention, in order that obtaining recipient can identify that received message is that D2D periodically disappears
Breath, can be that the D2D periodic messages set type identification, recipient can be identified received by type identification
Message is D2D periodic messages.For example, car networking terminal can be to set to disappear corresponding to it sending D2D periodic messages
Cease type head, recipient can when including type of message head corresponding to D2D periodic messages in identifying the message received,
It is D2D periodic messages to determine the message.
S203, when car networking terminal sends aperiodicity message, the selection of car networking terminal is used with D2D periodic messages
Other time slots outside time slot position send aperiodicity message.
That is, in the transmission cycle of D2D resources, car networking terminal to recipient in fixed time slot except sending D2D
Outside periodic message, car networking terminal can also send aperiodicity message, for example, user can also pass through car according to demand
Networked terminals send aperiodicity message.
Wherein, aperiodicity message refers to the message that need not be periodically sent to recipient, and aperiodicity message can include
But video, audio, picture and word are not limited to, warning information can also be included.
For another example car networking terminal can send the warning information of vehicle.
Aperiodic message slot of the car networking terminal in each transmission cycle can send aperiodicity message, i.e. car networking
Terminal can send the message that need not periodically send in the time slot that need not send D2D periodic messages.
Wherein, aperiodic message slot refers to the time slot that need not send D2D periodic messages.
For example, a cycle is divided into ten time slots, if determining that second time slot sends the D2D cycles according to resource distribution message
Property message, then remaining time slot is non-periodic messages time slot in this cycle.
For example, in a fleet, when fleet is parked in a position rest, the user 1 for driving vehicle A may be selected
Other time slots outside time slot position are used to send one to car networking terminal 2 by car networking terminal 1 with D2D periodic messages
Individual small video, as a result, the shared of resource can be realized between any two vehicle in fleet.
It in summary it can be seen, the fixation time slot of the car networking terminal of the embodiment in each cycle sends D2D periodically, every
In other time slots in individual cycle, user can send video, audio etc. by car networking terminal according to demand and need not periodically send out
The message sent, so that the resource-sharing between car and car.
In one embodiment of the invention, if recipient does not receive the D2D of car networking terminal transmission in current period
Periodical information, then recipient obtain the D2D periodical informations that a cycle in the car networking terminal is sent, and according to upper one
D2D periodical informations in the individual cycle determine its possible positional information, and whole to other car networkings around the positional information
End sends message, so that other car networking terminals are contacted according to the information and the car networking terminal, to determine the car networking
The running state information of vehicle where terminal.
In order to realize above-described embodiment, the present invention also proposes a kind of device-to-device D2D communicator.
Fig. 3 is the structural representation of device-to-device D2D according to an embodiment of the invention communicator.The equipment
Communicator to equipment D2D is located in car networking terminal, as shown in figure 3, device-to-device D2D communicator bag
Setting module 110 and first processing module 120 are included, wherein：
Setting module 110, the transmission week for the D2D resources according to the resource allocation information setting car networking terminal received
Phase and the time slot position for sending D2D periodic messages.
Wherein, D2D periodic messages are the information periodically sent according to required for car networking functional requirement, and D2D periodically disappears
Breath can include but is not limited to positional information, running state information of vehicle etc., can also basis in actual application
The information that car networking functional requirement is sent to periodicity is adjusted, and the embodiment is not construed as limiting for this.
It is to be appreciated that in actual applications, transmission can be fixed in each cycle, and once or repeatedly D2D is periodically
Information, wherein, the number that D2D periodical informations are sent in each cycle is identical with the number of time slot position.
Wherein, the running state information of vehicle can include but is not limited to the speed of vehicle, acceleration, deceleration, failure letter
Breath etc..
First processing module 120, for for each transmission cycle, D2D periodically to disappear in the currently transmitted cycle is monitored
When the time slot position of breath reaches, current D2D periodic messages are sent to recipient.
Time slot position in each cycle, first processing module 120 obtain the current D2D periodic messages of vehicle, and will
Current D2D periodic messages are sent to recipient.
In one embodiment of the invention, can be sent in order that obtaining recipient with the sender of identification information to recipient
During the current location information and/or current operating conditions information of vehicle, first processing module 120 is sending current location
While information and/or current operating conditions information, the identification information of its own can also be sent.Recipient passes through identification information
Determine the sender of D2D periodic messages.
It in summary it can be seen, send D2D periodic messages to the car networking terminal periodic of the embodiment so that recipient can
To determine the positional information and running state information of car networking terminal place vehicle according to the D2D periodic messages received.
It should be noted that the explanation of the foregoing communication means embodiment to device-to-device D2D is also applied for the implementation
The device-to-device D2D of example communicator, its realization principle is similar, and here is omitted.
Device-to-device D2D according to embodiments of the present invention communicator, setting module are believed according to the resource distribution received
Breath sets the time slot position for sending the cycle and sending D2D periodic messages of D2D resources, and first processing module is in each week
The fixation time slot of phase sends D2D periodic messages to recipient, hereby it is achieved that car networking terminal periodic send D2D
Periodic message so that recipient can according to the D2D periodic messages received for follow-up car networking business (for example,
Vehicle early warning and vehicle trouble analysis) reliable foundation is provided.Especially in D2D periodicity comprising vehicle positional information and
During running state information, recipient is monitored according to positional information to the position of vehicle, and timely by running state information
The operation conditions of vehicle where understanding car networking terminal.
In one embodiment of the invention, on the basis of as shown in Figure 3, as shown in figure 4, the device can also include
Second processing module 130, the Second processing module 130 are used for when sending aperiodicity information, selection and D2D periodicity
Message uses other time slots outside time slot position to send the aperiodicity message.
Wherein, aperiodicity message refers to the message that need not be periodically sent to recipient, and aperiodicity message can include
But video, audio, picture and word are not limited to, warning information can also be included.
That is, aperiodic message slot of the Second processing module 130 in each cycle can send aperiodicity message,
That is, the message that need not periodically send can be sent in car networking.
Wherein, aperiodic message slot refers to the time slot that need not send D2D periodic messages.
For example, a cycle is divided into ten time slots, if determining that second time slot sends the D2D cycles according to resource distribution message
Property message, then remaining time slot is non-periodic messages time slot in this cycle.
It in summary it can be seen, fixation time slot of the Second processing module 130 in each cycle sends D2D periodically, in each week
In other time slots of phase, user can send video, audio etc. to recipient by car networking terminal according to demand and not need the cycle
Property send message so that the resource-sharing between car and car.
Wherein, aperiodicity message refers to the message that need not be periodically sent to recipient, and aperiodicity message can include
But video, audio, picture and word are not limited to, warning information can also be included.
In the example of the present invention, as shown in figure 4, the device can also include receiving module 140, the receiving module
140 positional information for receiving other vehicles transmitted by sending side terminal, carried out with passing through the positional information of other vehicles
Anti-collision warning, lane change early warning etc., or the positional information of other vehicles is supplied to user, so that user understands its in fleet
The positional information of his vehicle.
In order to realize above-described embodiment, the present invention also proposes a kind of car networking terminal.
A kind of car networking terminal, include the device-to-device D2D of second aspect of the present invention embodiment communicator.
Car networking terminal according to embodiments of the present invention, the transmission week of D2D resources is set according to the resource allocation information received
Phase and the time slot position for sending D2D periodic messages, and the fixation time slot in each cycle sends D2D periodic messages to connecing
Debit, hereby it is achieved that car networking terminal periodic send D2D periodic messages so that recipient can be according to reception
The D2D periodic messages arrived provide reliable for follow-up car networking business (for example, vehicle early warning and vehicle trouble analysis)
Foundation.When the positional information and running state information of vehicle are included especially in D2D periodicity, recipient is according to positional information
The position of vehicle is monitored, and understands by running state information the operation conditions of the vehicle where car networking terminal in time.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " tool
The description of body example " or " some examples " etc. means to combine specific features, structure, material that the embodiment or example describe
Material or feature are contained at least one embodiment or example of the present invention.In this manual, to the signal of above-mentioned term
Property statement be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting,
Those skilled in the art can be by the different embodiments or example described in this specification and the spy of different embodiments or example
Sign is combined and combined.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be with
Express or implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two,
Such as two, three etc., unless otherwise specifically defined.
Any process or method described otherwise above description in flow chart or herein is construed as, and expression includes one
Or more be used for the step of realizing specific logical function or process executable instruction code module, fragment or part,
And the scope of the preferred embodiment of the present invention includes other realization, wherein order that is shown or discussing can not be pressed,
Including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be by the present invention's
Embodiment person of ordinary skill in the field is understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered for real
The order list of the executable instruction of existing logic function, may be embodied in any computer-readable medium, for instruction
Execution system, device or equipment (such as computer based system including the system of processor or other can be performed from instruction
The system of system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating
Or transmission program uses for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Device.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With one or more cloth
The electrical connection section (electronic installation) of line, portable computer diskette box (magnetic device), random access memory (RAM) are read-only
Memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and it is portable
Compact disc read-only memory (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon
Or other suitable media, because can then enter edlin, solution for example by carrying out optical scanner to paper or other media
Translate or handled if necessary with other suitable methods electronically to obtain described program, be then stored in computer
In memory.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.In above-mentioned reality
Apply in mode, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage or
Firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, there is the application specific integrated circuit of suitable combinational logic gate circuit, programmable gate array (PGA) is existing
Field programmable gate array (FPGA) etc..
Those skilled in the art be appreciated that to realize all or part of step that above-described embodiment method carries is can
To instruct the hardware of correlation to complete by program, described program can be stored in a kind of computer-readable recording medium,
The program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module or each
Individual unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated module was both
It can be realized, can also be realized in the form of software function module in the form of hardware.If the integrated module with
The form of software function module realize and be used as independent production marketing or in use, can also be stored in one it is computer-readable
Take in storage medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and described above
Embodiments of the invention, it is to be understood that above-described embodiment is exemplary, it is impossible to limitation of the present invention is interpreted as,
One of ordinary skill in the art above-described embodiment can be changed, be changed within the scope of the invention, replaced and modification.
Claims (13)
1. a kind of device-to-device D2D communication means, it is characterised in that comprise the following steps：
Car networking terminal set according to the resource allocation information that receives the D2D resources of the car networking terminal the transmission cycle and
Send the time slot position of D2D periodic messages；
For each transmission cycle, when the time slot position of D2D periodic messages in monitoring the currently transmitted cycle reaches, institute
State car networking terminal and send current D2D periodic messages to recipient.
2. device-to-device D2D as claimed in claim 1 communication means, it is characterised in that the car networking terminal hair
Current D2D periodic messages are sent to be specifically included to recipient：
The car networking terminal obtains the current D2D periodic messages of vehicle, and will the currently D2D periodic messages
Send to the recipient.
3. device-to-device D2D as claimed in claim 2 communication means, it is characterised in that the current D2D cycles
Property message includes the current location information and/or current operating conditions information.
4. the communication means of the device-to-device D2D as any one of claim 1-3, it is characterised in that also include：
When the car networking terminal sends aperiodicity information, the car networking terminal selection is used with D2D periodic messages
Other time slots outside time slot position send the aperiodicity message.
5. the communication means of the device-to-device D2D as any one of claim 1-3, it is characterised in that also include：
The car networking terminal receives the positional information of other vehicles transmitted by sending side terminal.
6. device-to-device D2D as claimed in claim 4 communication means, it is characterised in that the aperiodicity information
Including video, audio, picture and word.
A kind of 7. device-to-device D2D communicator, it is characterised in that including：
Setting module, for according to receive resource allocation information setting car networking terminal D2D resources the transmission cycle and
Send the time slot position of D2D periodic messages；
First processing module, for for each transmission cycle, the D2D periodic messages in the currently transmitted cycle is monitored
When time slot position reaches, current D2D periodic messages are sent to recipient.
8. device-to-device D2D as claimed in claim 7 communicator, it is characterised in that the first processing module,
It is specifically used for：
The current D2D periodic messages of vehicle are obtained, and the current D2D periodic messages are sent to the reception
Side.
9. device-to-device D2D as claimed in claim 8 communicator, it is characterised in that the current D2D cycles
Property message includes the current location information and/or current operating conditions information.
10. device-to-device D2D as claimed in any one of claims 7-9 communicator, it is characterised in that also wrap
Include：
Second processing module, for when sending aperiodicity information, selection to use time slot position with D2D periodic messages
Other outer time slots send the aperiodicity message.
11. device-to-device D2D as claimed in any one of claims 7-9 communicator, it is characterised in that also wrap
Include：
Receiving module, for receiving the positional information of other vehicles transmitted by sending side terminal.
12. device-to-device D2D as claimed in claim 10 communicator, it is characterised in that the aperiodicity disappears
Breath includes video, audio, picture and word.
A kind of 13. car networking terminal, it is characterised in that including：Equipment as any one of claim 7-12 is to setting
Standby D2D communicator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373461.2A CN107454574B (en) | 2016-05-31 | 2016-05-31 | Device-to-device D2D communication method and device and Internet of vehicles terminal |
| PCT/CN2017/075218 WO2017206560A1 (en) | 2016-05-31 | 2017-02-28 | Device to device (d2d) communication method and apparatus, and vehicle networking terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373461.2A CN107454574B (en) | 2016-05-31 | 2016-05-31 | Device-to-device D2D communication method and device and Internet of vehicles terminal |
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| Publication Number | Publication Date |
|---|---|
| CN107454574A true CN107454574A (en) | 2017-12-08 |
| CN107454574B CN107454574B (en) | 2022-04-05 |
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| CN201610373461.2A Active CN107454574B (en) | 2016-05-31 | 2016-05-31 | Device-to-device D2D communication method and device and Internet of vehicles terminal |
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| CN (1) | CN107454574B (en) |
| WO (1) | WO2017206560A1 (en) |
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| CN110276945A (en) * | 2019-07-19 | 2019-09-24 | 东北大学 | A kind of automatic driving vehicle grouping method |
| CN111541770A (en) * | 2020-04-24 | 2020-08-14 | 深圳市元征科技股份有限公司 | Vehicle data sorting method and related product |
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| CN104349280A (en) * | 2013-08-07 | 2015-02-11 | 电信科学技术研究院 | Time slot allocation method and system |
| CN105493559A (en) * | 2013-09-06 | 2016-04-13 | 哈曼国际工业有限公司 | Time slot selection in wireless communication |
| CN105592523A (en) * | 2014-10-21 | 2016-05-18 | 中兴通讯股份有限公司 | Device discovery apparatus and device discovery method for device-to-device communication |
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| US20130279392A1 (en) * | 2012-04-24 | 2013-10-24 | Zetta Research And Development Llc - Forc Series | Vehicle-to-vehicle safety transceiver free of ip addresses |
| CN104349280A (en) * | 2013-08-07 | 2015-02-11 | 电信科学技术研究院 | Time slot allocation method and system |
| CN105493559A (en) * | 2013-09-06 | 2016-04-13 | 哈曼国际工业有限公司 | Time slot selection in wireless communication |
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| CN111541770A (en) * | 2020-04-24 | 2020-08-14 | 深圳市元征科技股份有限公司 | Vehicle data sorting method and related product |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107454574B (en) | 2022-04-05 |
| WO2017206560A1 (en) | 2017-12-07 |
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