CN107786310A - A kind of data pack transmission method and node - Google Patents
A kind of data pack transmission method and node Download PDFInfo
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- CN107786310A CN107786310A CN201610740807.8A CN201610740807A CN107786310A CN 107786310 A CN107786310 A CN 107786310A CN 201610740807 A CN201610740807 A CN 201610740807A CN 107786310 A CN107786310 A CN 107786310A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
The present invention, which provides a kind of data pack transmission method and node, this method, may include：In preset period of time, the first time slot in node service life carries out new data packets transmission, and the packet is retransmitted using remaining time slot in the cycle；After preset period of time terminates, at least two time slots in the node service life carry out packet new biography.The embodiment of the present invention can improve the reliability of data transfer, and can also ensure network throughput.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of data pack transmission method and node.
Background technology
At present in communication system, node often carries out resource negotiation application by least unit of time slot, wherein, difference section
Point can take to time slot frequency division or some node takes distributed single time slot completely.In addition, time slot selected by node can be
Continuously, periodic or random, node carries out data transmission on selected time interval resource, and communication at present
In system, each time slot is used for the new data packets not being transmitted across before sending.However, due to the nothing of MANET in MANET
Central characteristics, need between node through consultation mechanism carry out resource allocation, simultaneously because concealed nodes present in MANET
Problem, thus have the situation that certain probability produces resource collision.So when all time slots all be used for send new biography data, then
Due to resource collision that may be present in MANET, it can produce at the receiving node to collide and be lost caused by can not correctly unpacking
Bag phenomenon, the reliability of system can not be guaranteed.It can be seen that data transmission credibility in communication system at present be present than relatively low
Problem.
The content of the invention
It is an object of the invention to provide a kind of data pack transmission method and node, solves number present in communication system
According to transmission reliability than it is relatively low the problem of.
In order to achieve the above object, the embodiment of the present invention provides a kind of data pack transmission method, including：
In preset period of time, the first time slot in node service life carries out new data packets transmission, and uses the cycle
Remaining time slot the packet is retransmitted；
After preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
Optionally, the preset period of time includes：
The node pre-configured a period of time；Or
The a period of time of the node based on Timer Controlling；Or
One or more first time slot carries out new biography, and the cycle that remaining time slot is retransmitted；Or
One or more broadcast message sending period；Or
One or more control message sends the cycle.
Optionally, methods described also includes：
Whether the feedback message that the node judges to receive adjacent node return in the preset period of time meets to preset
Condition, if so, then after preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
Optionally, the node judges whether the feedback message that adjacent node return is received in the preset period of time is full
Sufficient preparatory condition, including：
The node is judged indicated by the resource collision mark that the adjacent node received in the preset period of time returns
Collision time slot whether be less than the first thresholding, if so, then after preset period of time terminates, at least two in the node service life
Individual time slot carries out packet new biography；Or
The node is judged indicated by the channel quality identification that the adjacent node received in the preset period of time returns
Channel quality whether be more than the second thresholding, if so, then after preset period of time terminates, at least two in the node service life
Individual time slot carries out packet new biography.
Optionally, methods described also includes：
If the feedback message that the node judges to receive adjacent node return in the preset period of time is unsatisfactory for presetting
Condition, then after the preset period of time terminates, the first time slot in service life is still kept to carry out new data packets transmission, and make
Resource gravity treatment is retransmitted or carried out to the packet with remaining time slot in the cycle.
Optionally, described after preset period of time terminates, at least two time slots in the node service life carry out data
Bag new biography, including：
After preset period of time terminates, all time slots carry out packet new biography in the node service life.
Optionally, described after preset period of time terminates, at least two time slots in the node service life carry out data
Bag new biography, including：
After preset period of time terminates, the node carries out packet biography in a manner of time slot is retransmitted in the cycle and is gradually reduced
It is defeated, wherein, at least two time slots carry out packet new biography in a cycle after the preset period of time terminates, described heavy
Time slot is passed to carry out the time slot of data packet retransmission.
Optionally, methods described also includes：
If the node has carried out resource gravity treatment, continue executing with it is described in preset period of time, in node service life
First time slot carries out new data packets transmission, and the step of retransmitted using remaining time slot in the cycle to the packet.
The embodiment of the present invention also provides a kind of node, including：
First transport module, in preset period of time, the first time slot in service life carries out new data packets transmission, with
And the packet is retransmitted using remaining time slot in the cycle；
Second transport module, for after preset period of time terminates, at least two time slots in service life to carry out packet
New biography.
Optionally, the preset period of time includes：
The node pre-configured a period of time；Or
The a period of time of the node based on Timer Controlling；Or
One or more first time slot carries out new biography, and the cycle that remaining time slot is retransmitted；Or
One or more broadcast message sending period；Or
One or more control message sends the cycle.
Optionally, the node also includes：
Whether judge module, the feedback message for judging to receive adjacent node return in the preset period of time meet
Preparatory condition, if so, then after preset period of time terminates, it is new that at least two time slots in the node service life carry out packet
Pass.
Optionally, the judge module is used for the resource for judging that the adjacent node received in the preset period of time returns
Whether the indicated collision time slot of collision mark is less than the first thresholding, if so, then after preset period of time terminates, the node uses
At least two time slots in cycle carry out packet new biography；Or
The judge module is used for the channel quality mark for judging that the adjacent node received in the preset period of time returns
Know whether indicated channel quality is more than the second thresholding, if so, then after preset period of time terminates, in the node service life
At least two time slots carry out packet new biography.
Optionally, the node also includes：
Module is kept, if disappearing for the feedback that the node judges to receive adjacent node return in the preset period of time
Breath is unsatisfactory for preparatory condition, then after the preset period of time terminates, still keeps the first time slot in service life to carry out new data
Bag transmission, and resource gravity treatment is retransmitted or carried out to the packet using remaining time slot in the cycle.
Optionally, second transport module is used for after preset period of time terminates, and all time slots enter line number in service life
According to bag new biography.
Optionally, second transport module is used for after preset period of time terminates, and is gradually reduced with retransmitting time slot in the cycle
Mode carry out packet transmission, wherein, at least two time slots enter in a cycle after the preset period of time terminates
Row packet new biography, it is described to retransmit time slot to carry out the time slot of data packet retransmission.
Optionally, if first transport module, which is additionally operable to the node, has carried out resource gravity treatment, when described default
In section, the first time slot in node service life carries out new data packets transmission, and uses remaining time slot in the cycle to the number
Retransmitted according to bag.
The above-mentioned technical proposal of the present invention at least has the advantages that：
The embodiment of the present invention, in preset period of time, the first time slot in node service life carries out new data packets transmission, with
And the packet is retransmitted using remaining time slot in the cycle；After preset period of time terminates, in the node service life
At least two time slots carry out packet new biography.Due to only having first time slot to carry out packet in a cycle in preset period of time
New transmission, remaining time slot is retransmitted, and so as to improve the reliability of data transfer, and after preset period of time terminates, is used
At least two time slots in cycle carry out packet new biography, so as to which the embodiment of the present invention can also ensure network throughput.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of data pack transmission method provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of Period Slot provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another Period Slot provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of another data pack transmission method provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of node provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another node provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another node provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another node provided in an embodiment of the present invention；
Fig. 9 is the structural representation of another node provided in an embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The embodiment of the present invention can apply to MANET, and the node described in the embodiment of the present invention can be appointed in MANET
One self-organizing network nodes that can carry out data transmission in MANET, such as：Mobile terminal, computer or routing device etc.,
It should be noted that the particular type of node is not limited in embodiments of the present invention.
Fig. 1 is referred to, the embodiment of the present invention provides a kind of data pack transmission method, as shown in figure 1, comprising the following steps：
101st, in preset period of time, the first time slot in node service life carries out new data packets transmission, and uses and be somebody's turn to do
Remaining time slot in cycle retransmits to the packet；
102nd, after preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
Wherein, the cycle can be any cycle in above-mentioned preset period of time in step 101, i.e., above-mentioned in preset period of time, section
First time slot in point service life carries out new data packets transmission, and the packet is carried out using remaining time slot in the cycle
Re-transmission can be the first time slot progress new data packets transmission in preset period of time interior nodes using each cycle, and each node
Remaining time slot then carry out data packet retransmission.Such as：As shown in Fig. 2 first time slot of the node in each cycle carries out new data
Bag transmits, then remaining time slot carries out data packet retransmission, wherein, the new biography data slot shown in Fig. 2 represents to carry out new data packets biography
Defeated time slot, above-mentioned node are illustrated with present node in fig. 2.It should be noted that in the embodiment of the present invention, Mei Gezhou
The timeslot number that phase includes can be identical, in addition, the time slot included in the cycle can be continuous, may not be continuous, example
Such as：As shown in Fig. 2 and the timeslot number that includes of cycle can be predefined or node in the pre-configured either MANET of node
Between consult in advance, this embodiment of the present invention is not construed as limiting.
In addition, in the embodiment of the present invention, new data packets can be understood as the data not being transmitted across before, in addition, transmission is new
Packet retransmits packet and can be understood as data packet retransmission it can be appreciated that packet new biography.
In addition, transmission packet can be that above-mentioned node sends data to receiving node in step 101, i.e., above-mentioned node can
To be interpreted as data transmitting node or business sending node.In addition, the cycle in the embodiment of the present invention can send the cycle.
Because first time slot of the step 101 in above-mentioned preset period of time interior nodes service life carries out new data packets transmission,
And the packet is retransmitted using remaining time slot in the cycle, it can so ensure packet transmission reliability.
After preset period of time terminates, at least two time slots in the node service life carry out packet new biography can be with
It is, when preset period of time terminates posterior nodal point by one or more of data packet retransmission is carried out in the cycle in above-mentioned preset period of time
Gap is changed to packet new biography time slot, that is, carries out packet new biography time slot and turn at least two by a change before, so as to increase
Data new biography time slot, to improve the network amount of gulping down.
For example, because data send initial stage, occur that the probability of resource collision is larger, and above-mentioned node is initially being sent between node
Stage uses the pre-configured data transmitting mechanisms for including re-transmission as shown in Figure 2, to ensure data transmission credibility；By one
After the section time, transmission mechanism is changed to the transmission mechanism such as Fig. 3, wherein, Fig. 3 is used as packet using all time slots in by the cycle
New biography time slot is illustrated, i.e., all re-transmission time slots for being used to send re-transmission data in the cycle are changed to send newly by above-mentioned node
Data are passed, to ensure network throughput.
The network throughput and data reliability two indices for having weighed system, Neng Gou can be realized by above-mentioned steps
Under different conditions, such as：Resource collision situation or channel quality etc., meet the different demands of network.
Optionally, above-mentioned preset period of time includes：
The node pre-configured a period of time；Or
The a period of time of the node based on Timer Controlling；Or
One or more first time slot carries out new biography, and the cycle that remaining time slot is retransmitted；Or
One or more broadcast message sending period；Or
One or more control message sends the cycle.
In the embodiment, it is possible to achieve above-mentioned node is in pre-configured a period of time, or based on Timer Controlling
For a period of time, or one or more first time slot is carried out new biography, and the cycle that remaining time slot is retransmitted, or one or
The multiple broadcast message sending periods of person, or one or more control message are sent in the cycle using the conveyer of step 101
System carries out packet transmission, and after these preset period of time terminate, carry out packet transmission using the transmission mechanism of step 102.
Optionally, methods described also includes：
Whether the feedback message that the node judges to receive adjacent node return in the preset period of time meets to preset
Condition, if so, then after preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
Wherein, above-mentioned feedback message can be the receiving node for receiving the packet that above-mentioned node is sent, according to reception
To packet the message fed back of situation, such as：Resource collision mark, channel quality information, data transmission credibility
Or packet successful receiving rate etc..After above-mentioned node receives above-mentioned feedback message, it is possible to judge that the feedback message is
It is no to meet preparatory condition, wherein, preparatory condition can be that node is directed to the condition that different feedback messages is pre-set, such as：
Collide time slot thresholding, channel quality thresholds or reliability threshold etc..
In the embodiment, realized by above-mentioned judgement can and only meet above-mentioned preparatory condition in feedback message,
After ability preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
Optionally, above-mentioned node judges whether the feedback message that adjacent node return is received in the preset period of time is full
Sufficient preparatory condition, including：
The node is judged indicated by the resource collision mark that the adjacent node received in the preset period of time returns
Collision time slot whether be less than the first thresholding, if so, then after preset period of time terminates, at least two in the node service life
Individual time slot carries out packet new biography.
In the embodiment, it is possible to achieve if the collision time slot indicated by resource collision mark is less than the first thresholding,
After preset period of time terminates, at least two time slots in the node service life carry out packet new biography.Because resource collision mark
It is smaller to know the probability for the generation resource collision that indicated collision time slot is less than between the first thresholding expression node, so as to increase
Add the time slot of packet new biography, to improve the network amount of gulping down.Wherein, above-mentioned first thresholding can be the pre-configured collision of above-mentioned node
Time slot thresholding, or collision time slot thresholding consulted in advance between node etc., are not construed as limiting to this embodiment of the present invention.
Optionally, above-mentioned node judges whether the feedback message that adjacent node return is received in the preset period of time is full
Sufficient preparatory condition, including：
The node is judged indicated by the channel quality identification that the adjacent node received in the preset period of time returns
Channel quality whether be more than the second thresholding, if so, then after preset period of time terminates, at least two in the node service life
Individual time slot carries out packet new biography.
In the embodiment, it is possible to achieve if channel quality is more than the second thresholding, after preset period of time terminates, the section
At least two time slots in point service life carry out packet new biography.Because channel quality is more than between the second thresholding expression node
Channel quality it is preferable, so as to increase the time slot of packet new biography, to improve the network amount of gulping down.Wherein, above-mentioned second thresholding
Can be the pre-configured channel quality thresholds of above-mentioned node, or channel quality thresholds consulted in advance between node etc.,
This embodiment of the present invention is not construed as limiting.
Optionally, method described above also includes：
If the feedback message that the node judges to receive adjacent node return in the preset period of time is unsatisfactory for presetting
Condition, then after the preset period of time terminates, the first time slot in service life is still kept to carry out new data packets transmission, and make
Resource gravity treatment is retransmitted or carried out to the packet with remaining time slot in the cycle.
In the embodiment, it is possible to achieve if the feedback message that adjacent node returns is unsatisfactory for preparatory condition, described
After preset period of time terminates, still keep first time slot in service life to carry out new data packets transmission, and using the cycle its
Remaining time slot is retransmitted or carried out resource gravity treatment to the packet.Such as：Resource collision mark instruction collision timeslot number not
Less than the first thresholding, node needs still to keep data to carry out comprising re-transmission according to primitive period after above-mentioned preset time period terminates
Data send or carried out resource gravity treatment step.Or when feedback message is channel quality, if the channel quality identification refers to
The channel quality shown is not more than the second thresholding, then node needs still to keep data according to primitive period to enter after in the period terminating
Row sends or carried out resource gravity treatment step comprising the data retransmitted.
Such as：In the embodiment, illustrated with not including data re-transmission time slot in the cycle in preset period of time, to scheme
Shown in 4, node first carries out resource selection or gravity treatment, judges whether preset period of time terminates, if not having, carries out including data weight
The mechanism for passing time slot carries out packet transmission；If preset period of time terminates, threshold judgement is carried out, such as：Above-mentioned resource is carried out to touch
Hit or the threshold judgement of channel quality, if satisfied, the mechanism for then carrying out not including data packet retransmission time slot carries out packet biography
It is defeated；If not satisfied, then judge that whether being more than for preset period of time presets maximum times, if so, then node continues resource selection
Or gravity treatment, if it is not, then carrying out the transmission for including the mechanism of data packet retransmission time slot.
Optionally, described after preset period of time terminates, at least two time slots in the node service life carry out data
Bag new biography, including：
After preset period of time terminates, all time slots carry out packet new biography in the node service life.
In the embodiment, it is possible to achieve using all time slots in the cycle as packet new biography time slot, i.e., above-mentioned default
After period terminates, all time slots in each cycle are as packet new biography time slot, i.e., all time slots within each cycle
Packet new biography is all carried out, and without data packet retransmission, to improve network throughput.
Optionally, above-mentioned after preset period of time terminates, at least two time slots in the node service life carry out data
Bag new biography, including：
After preset period of time terminates, the node carries out packet biography in a manner of time slot is retransmitted in the cycle and is gradually reduced
It is defeated, wherein, at least two time slots carry out packet new biography in a cycle after the preset period of time terminates, described heavy
Time slot is passed to carry out the time slot of data packet retransmission.
In the embodiment, it is possible to achieve after above-mentioned preset period of time terminates, above-mentioned node with the cycle retransmit time slot by
The reduced mode of step carries out packet transmission, such as：After preset period of time terminates, node is using above-mentioned preset period of time to gradually reduce
Unit is gradually reduced, or node using one period of the integral multiple of preset period of time point for gradually reduce unit progress by
Step is reduced.Wherein, threshold judgement can be carried out in each unit that gradually reduces, when satisfaction is then gradually reduced corresponding to unit at this
After period terminates, an integer by subtracting 1 comprising the re-transmission timeslot number in the transmission cycle for retransmitting time slot or more than 1.
Illustrate, it is assumed that the period in embodiment one is T, if within the KT periods, collision timeslot number is small
In Kn1Or channel quality number is more than Kn2, then reduce the re-transmission time slot sent in the cycle for including re-transmission time slot shown in Fig. 2,
One or more re-transmission time slots can be reduced every time.Wherein, K=1,2 either 3 ... or 1/2,1/3 or 1/4 ....This embodiment
It is the scheme that timeslot number is gradually reduced that retransmits that allows, time slot will all be retransmitted suddenly by, which avoiding, is used as the possible resource collision occurred after new biography
The problem of reliability brought reduces
Optionally, methods described also includes：
After preset period of time terminates, the node is changed to the second transmission mechanism by the first transmission mechanism, wherein, described
One transmission mechanism is that first time slot carries out packet new biography in the cycle, and remaining time slot carries out the mechanism of data packet retransmission, described the
Two transmission mechanisms are that at least two time slots carry out packet new biography in the cycle, and remaining time slot carries out the mechanism of data packet retransmission, or
Second transmission mechanism described in person is the mechanism that all time slots carry out packet new biography in the cycle.
Optionally, can be after above-mentioned preset period of time terminate in the embodiment, node is changed to by the first transmission mechanism
Second transmission mechanism, so as to improve network throughput.Such as：After threshold judgement is performed, if collision time slot or channel matter
Amount meets preparatory condition, then node is changed to the second transmission mechanism by the first transmission mechanism, to realize after preset period of time terminates,
It is new that at least two time slots in node service life carry out all time slots progress packets in packet new biography or service life
Pass.Certainly, it is the change that can not embody transmission mechanism in some scenes, i.e., in the embodiment of the present invention, above-mentioned steps are can
With what is do not performed, such as：After above-mentioned preset period of time terminates, or and meet threshold judgement, then directly perform step 102.
Optionally, the above method also includes：
If the node has carried out resource gravity treatment, continue executing with it is described in preset period of time, in node service life
First time slot carries out new data packets transmission, and the step of retransmitted using remaining time slot in the cycle to the packet.
In the embodiment, it is possible to achieve a sample node has carried out resource gravity treatment, then continues executing with described in preset period of time
Interior, the first time slot in node service life carries out new data packets transmission, and uses remaining time slot in the cycle to the data
The step of bag is retransmitted.I.e. after node has carried out resource gravity treatment, no matter whether the state before node is comprising retransmitting time slot,
It is required to when sending data to carry out sending comprising the data retransmitted in above-mentioned preset period of time.If the preset period of time terminates,
Or and meet corresponding threshold requirement, can just carry out do not include retransmit time slot data send, or with retransmit time slot by
The mode that step reduces carries out data transmission.For example, due to the general of resource collision occurring between the initial stage node of resource gravity treatment
Rate is larger.Starting stage of the business sending node after resource gravity treatment is using the pre-configured number for including re-transmission as shown in Figure 2
According to transmission mechanism, to ensure data transmission credibility.
Wherein, the threshold judgement of foregoing description, i.e. resource are included but is not limited to the reason for above-mentioned node progress resource gravity treatment
Collision or channel condition are unsatisfactory for respective threshold, such as：Node carries out the reason for resource gravity treatment can also be including node brand-new
Detected again under biography state neighbors collides, network topology where node changes, the requirement of meshed network load balancing,
There are node that priority is higher and/or business to seize present node resource etc., this embodiment of the present invention is not construed as limiting.
The embodiment of the present invention, in preset period of time, the first time slot in node service life carries out new data packets transmission, with
And the packet is retransmitted using remaining time slot in the cycle；After preset period of time terminates, in the node service life
At least two time slots carry out packet new biography.Due to only having first time slot to carry out packet in a cycle in preset period of time
New transmission, remaining time slot is retransmitted, and so as to improve the reliability of data transfer, and after preset period of time terminates, is used
At least two time slots in cycle carry out packet new biography, so as to which the embodiment of the present invention can also ensure network throughput.
Fig. 5 is referred to, the embodiment of the present invention provides a kind of node, and node 50 includes following module：
First transport module 51, in preset period of time, the first time slot in service life carries out new data packets transmission,
And the packet is retransmitted using remaining time slot in the cycle；
Second transport module 52, for after preset period of time terminates, at least two time slots in service life to carry out data
Bag new biography.
Optionally, the preset period of time includes：
The node pre-configured a period of time；Or
The a period of time of the node based on Timer Controlling；Or
One or more first time slot carries out new biography, and the cycle that remaining time slot is retransmitted；Or
One or more broadcast message sending period；Or
One or more control message sends the cycle.
Optionally, as shown in fig. 6, node 50 also includes：
Judge module 53, for judging whether the feedback message that adjacent node return is received in the preset period of time is full
Sufficient preparatory condition, if so, then after preset period of time terminates, at least two time slots in the node service life carry out packet
New biography.
Optionally, the resource that the adjacent node that judge module 53 is used to judge to receive in the preset period of time returns is touched
Hit whether the indicated collision time slot of mark is less than the first thresholding, if so, then after preset period of time terminates, the node uses week
At least two time slots in phase carry out packet new biography；Or
Judge module 53 is used for the channel quality identification for judging that the adjacent node received in the preset period of time returns
Whether indicated channel quality is more than the second thresholding, if so, then after preset period of time terminates, in the node service life
At least two time slots carry out packet new biography.
Optionally, as shown in fig. 7, node 50 also includes：
Module 54 is kept, if judging to receive the feedback of adjacent node return in the preset period of time for the node
Message is unsatisfactory for preparatory condition, then after the preset period of time terminates, still keeps the first time slot in service life newly to be counted
Transmitted according to bag, and resource gravity treatment is retransmitted or carried out to the packet using remaining time slot in the cycle.
Optionally, second transport module is used for after preset period of time terminates, and all time slots enter line number in service life
According to bag new biography.
Optionally, the second transport module 52 is used for after preset period of time terminates, to retransmit what time slot gradually reduced in the cycle
Mode carries out packet transmission, wherein, at least two time slots are carried out in a cycle after the preset period of time terminates
Packet new biography, it is described to retransmit time slot to carry out the time slot of data packet retransmission.
Optionally, as Fig. 8, node 50 also include：
Module 55 is changed, for after preset period of time terminates, the second transmission mechanism to be changed to by the first transmission mechanism, its
In, first transmission mechanism is that first time slot carries out packet new biography in the cycle, and remaining time slot carries out the machine of data packet retransmission
System, second transmission mechanism are that at least two time slots carry out packet new biography in the cycle, and remaining time slot carries out data packet retransmission
Mechanism, or second transmission mechanism is the mechanism that all time slots carry out packet new biographies in the cycle.
Optionally, if the first transport module 51, which is additionally operable to the node, has carried out resource gravity treatment, in the preset period of time
Interior, the first time slot in node service life carries out new data packets transmission, and uses remaining time slot in the cycle to the data
Bag is retransmitted.
It should be noted that above-mentioned node 50 can be the node in the embodiment shown in Fig. 1-Fig. 4 in the present embodiment, figure
Any embodiment of 1- embodiment illustrated in fig. 4 interior joints can realize by the above-mentioned node 50 in the present embodiment, and
Reach identical beneficial effect, here is omitted.
Referring to Fig. 9, a kind of structure of node is shown in figure, the node includes：Processor 900, transceiver 910, memory
920th, user interface 930 and EBI, wherein：
Processor 900, for reading the program in memory 920, perform following process：
In preset period of time, new data packets transmission is carried out by the first time slot in the service life of transceiver 910, and make
The packet is retransmitted with remaining time slot in the cycle；
After preset period of time terminates, packet new biography is carried out by least two time slots in the service life of transceiver 910.
Wherein, transceiver 910, for data to be received and sent under the control of processor 900.
In fig.9, bus architecture can include the bus and bridge of any number of interconnection, specifically be represented by processor 900
One or more processors and the various circuits of memory that represent of memory 920 link together.Bus architecture can be with
Various other circuits of such as ancillary equipment, voltage-stablizer and management circuit or the like are linked together, these are all these
Well known to field, therefore, no longer it is described further herein.EBI provides interface.Transceiver 910 can be
Multiple element, i.e., including transmitter and receiver, there is provided for the unit to be communicated over a transmission medium with various other devices.Pin
To different user equipmenies, user interface 930, which can also be, external the interface for needing equipment is inscribed, and the equipment of connection includes
But it is not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 900 is responsible for bus architecture and common processing, and memory 920 can store processor 900 and hold
Used data during row operation.
Optionally, the preset period of time includes：
The node pre-configured a period of time；Or
The a period of time of the node based on Timer Controlling；Or
One or more first time slot carries out new biography, and the cycle that remaining time slot is retransmitted；Or
One or more broadcast message sending period；Or
One or more control message sends the cycle.
Optionally, processor 900 is additionally operable to：
Whether the feedback message for judging to receive adjacent node return in the preset period of time meets preparatory condition, if
It is that then after preset period of time terminates, packet new biography is carried out by least two time slots in the service life of transceiver 910.
Optionally, it is described judgement received in the preset period of time adjacent node return feedback message whether meet it is pre-
If condition, including：
When judging the collision indicated by the resource collision mark that the adjacent node received in the preset period of time returns
Whether gap is less than the first thresholding, if so, then after preset period of time terminates, passes through at least two in the service life of transceiver 910
Time slot carries out packet new biography；Or
Judge the channel matter indicated by the channel quality identification that the adjacent node received in the preset period of time returns
Whether amount is more than the second thresholding, if so, then after preset period of time terminates, passes through at least two in the service life of transceiver 910
Time slot carries out packet new biography.
Optionally, processor 900 is additionally operable to：
If the feedback message that the node judges to receive adjacent node return in the preset period of time is unsatisfactory for presetting
Condition, then after the preset period of time terminates, the first time slot in service life is still kept to carry out new data packets transmission, and make
Resource gravity treatment is retransmitted or carried out to the packet with remaining time slot in the cycle.
Optionally, it is described after preset period of time terminates, carried out by least two time slots in the service life of transceiver 910
Packet new biography, including：
After preset period of time terminates, packet new biography is carried out by all time slots in the service life of transceiver 910.
Optionally, it is described after preset period of time terminates, carried out by least two time slots in the service life of transceiver 910
Packet new biography, including：
After preset period of time terminates, data are carried out in a manner of time slot is retransmitted in the cycle and is gradually reduced transceiver 910
Bag transmission, wherein, at least two time slots carry out packet new biography, institute in a cycle after the preset period of time terminates
State and retransmit time slot to carry out the time slot of data packet retransmission.
Optionally, processor 900 is additionally operable to：
If the node has carried out resource gravity treatment, continue executing with it is described in preset period of time, it is first in service life
Time slot carries out new data packets transmission, and the operation that is retransmitted to the packet of remaining time slot using the cycle.
It should be noted that above-mentioned node can be the node in the embodiment shown in Fig. 1-Fig. 4 in the present embodiment, Fig. 1-
Any embodiment of embodiment illustrated in fig. 4 interior joint can be realized by the above-mentioned node in the present embodiment, and reach
Identical beneficial effect, here is omitted.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, can be by other
Mode realize.For example, device embodiment described above is only schematical, for example, the division of the unit, only
For a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine
Or another system is desirably integrated into, or some features can be ignored, or do not perform.Another, shown or discussed phase
Coupling or direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection, can be electrical, mechanical or other forms.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That the independent physics of unit includes, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server, or network equipment etc.) performs receiving/transmission method described in each embodiment of the present invention
Part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store
The medium of program code.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (18)
- A kind of 1. data pack transmission method, it is characterised in that including：In preset period of time, the first time slot progress new data packets transmission in node service life, and use its of the cycle Remaining time slot retransmits to the packet；After preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
- 2. the method as described in claim 1, it is characterised in that the preset period of time includes：The node pre-configured a period of time；OrThe a period of time of the node based on Timer Controlling；OrOne or more first time slot carries out new biography, and the cycle that remaining time slot is retransmitted；OrOne or more broadcast message sending period；OrOne or more control message sends the cycle.
- 3. the method as described in claim 1, it is characterised in that methods described also includes：Whether the feedback message that the node judges to receive adjacent node return in the preset period of time meets preparatory condition, If so, then after preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
- 4. method as claimed in claim 3, it is characterised in that the node judges to receive in the preset period of time adjacent Whether the feedback message that node returns meets preparatory condition, including：Touching indicated by the resource collision mark that the adjacent node that the node judges to receive in the preset period of time returns Hit whether time slot is less than the first thresholding, if so, then after preset period of time terminates, in the node service life at least two when Gap carries out packet new biography；OrThe node judges the letter indicated by the channel quality identification that the adjacent node received in the preset period of time returns Whether road quality is more than the second thresholding, if so, then after preset period of time terminates, in the node service life at least two when Gap carries out packet new biography.
- 5. method as claimed in claim 3, it is characterised in that methods described also includes：If the feedback message that the node judges to receive adjacent node return in the preset period of time is unsatisfactory for preparatory condition, Then after the preset period of time terminates, the first time slot in service life is still kept to carry out new data packets transmission, and use and be somebody's turn to do Remaining time slot in cycle is retransmitted or carried out resource gravity treatment to the packet.
- 6. such as the method any one of claim 1-5, it is characterised in that described after preset period of time terminates, the section At least two time slots in point service life carry out packet new biography, including：After preset period of time terminates, all time slots carry out packet new biography in the node service life.
- 7. such as the method any one of claim 1-5, it is characterised in that described after preset period of time terminates, the section At least two time slots in point service life carry out packet new biography, including：After preset period of time terminates, the node carries out packet transmission in a manner of time slot is retransmitted in the cycle and is gradually reduced, its In, at least two time slots carry out packet new biographies in a cycle after the preset period of time terminates, during the re-transmission Gap is to carry out the time slot of data packet retransmission.
- 8. such as the method any one of claim 1-5, it is characterised in that methods described also includes：After preset period of time terminates, the node is changed to the second transmission mechanism by the first transmission mechanism, wherein, described first passes Defeated mechanism is that first time slot carries out packet new biography in the cycle, and remaining time slot carries out the mechanism of data packet retransmission, and described second passes Defeated mechanism is that at least two time slots carry out packet new biography in the cycle, and remaining time slot carries out the mechanism of data packet retransmission, Huo Zhesuo State the mechanism that the second transmission mechanism carries out packet new biography for all time slots in the cycle.
- 9. such as the method any one of claim 1-5, it is characterised in that methods described also includes：If the node has carried out resource gravity treatment, continue executing with it is described in preset period of time, it is first in node service life Time slot carries out new data packets transmission, and the step of retransmitted using remaining time slot in the cycle to the packet.
- A kind of 10. node, it is characterised in that including：First transport module, in preset period of time, the first time slot in service life to carry out new data packets transmission, and makes The packet is retransmitted with remaining time slot in the cycle；Second transport module, for after preset period of time terminates, at least two time slots in service life to carry out packet new biography.
- 11. node as claimed in claim 10, it is characterised in that the preset period of time includes：The node pre-configured a period of time；OrThe a period of time of the node based on Timer Controlling；OrOne or more first time slot carries out new biography, and the cycle that remaining time slot is retransmitted；OrOne or more broadcast message sending period；OrOne or more control message sends the cycle.
- 12. node as claimed in claim 10, it is characterised in that the node also includes：Whether judge module, the feedback message for judging to receive adjacent node return in the preset period of time meet to preset Condition, if so, then after preset period of time terminates, at least two time slots in the node service life carry out packet new biography.
- 13. node as claimed in claim 12, it is characterised in that the judge module is used to judge in the preset period of time Whether the collision time slot indicated by resource collision mark that the adjacent node received returns is less than the first thresholding, if so, then existing After preset period of time terminates, at least two time slots in the node service life carry out packet new biography；OrThe judge module is used for the channel quality identification institute for judging that the adjacent node received in the preset period of time returns Whether the channel quality of instruction is more than the second thresholding, if so, then after preset period of time terminates, in the node service life extremely Few two time slots carry out packet new biography.
- 14. node as claimed in claim 12, it is characterised in that the node also includes：Module is kept, if judging to receive feedback message that adjacent node returns in the preset period of time not for the node Meet preparatory condition, then after the preset period of time terminates, still keep the first time slot in service life to carry out new data packets biography It is defeated, and resource gravity treatment is retransmitted or carried out to the packet using remaining time slot in the cycle.
- 15. such as the node any one of claim 10-14, it is characterised in that second transport module is used for pre- After if the period terminates, all time slots carry out packet new biography in service life.
- 16. such as the node any one of claim 10-14, it is characterised in that second transport module is used for pre- If after the period terminates, packet transmission is carried out in a manner of time slot is retransmitted in the cycle and is gradually reduced, wherein, in the preset period of time At least two time slots carry out packet new biography in a cycle after end, and the re-transmission time slot is progress data packet retransmission Time slot.
- 17. such as the node any one of claim 10-14, it is characterised in that the node also includes：Module is changed, for after preset period of time terminates, the second transmission mechanism to be changed to by the first transmission mechanism, wherein, it is described First transmission mechanism is that first time slot carries out packet new biography in the cycle, and remaining time slot carries out the mechanism of data packet retransmission, described Second transmission mechanism is that at least two time slots carry out packet new biography in the cycle, and remaining time slot carries out the mechanism of data packet retransmission, Or second transmission mechanism is the mechanism that all time slots carry out packet new biography in the cycle.
- 18. such as the node any one of claim 10-14, it is characterised in that if first transport module is additionally operable to The node has carried out resource gravity treatment, then in the preset period of time, the first time slot in node service life carries out new data Bag transmission, and the packet is retransmitted using remaining time slot in the cycle.
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