CN108777876A - A kind of method for message transmission and system - Google Patents
A kind of method for message transmission and system Download PDFInfo
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- CN108777876A CN108777876A CN201810538998.9A CN201810538998A CN108777876A CN 108777876 A CN108777876 A CN 108777876A CN 201810538998 A CN201810538998 A CN 201810538998A CN 108777876 A CN108777876 A CN 108777876A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
- H04W40/10—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of method for message transmission and system, this method includes：If the ratio that message carries the rate of energy dissipation that node judges that the dump energy identifier of the node that meets is preset value and the node that meets and the rate of energy dissipation that the message carries node be less than or equal to default ratio and the effect of the message carries node function be less than it is described meet node the effect of function when, the copy of the entrained message of residual energy magnitude distribution of node and the node that meets is carried according to the message to the node that meets.The present invention can effectively avoid message transmission time delay and promote the transmission performance of transmission network.
Description
Technical field
The present invention relates to radio network technique field, more particularly to a kind of method for message transmission and system.
Background technology
In wireless sensor network, source node needs multiple intermediate nodes that can just forward the data to except communication distance
Destination node.To realize the normal transmission of data, at least need that there are a complete data between source node and destination node
Transmission path.In actual application environment, the movement of node and data transmission are both needed to provide energy by battery, this makes node
Energy, bandwidth and spatial cache are very limited.If consuming the energy of some node too much, can make in wireless sensor network
Node energy it is unbalanced, and then data transmission fails may be led to.
Currently used balancing energy method includes：Balancing energy method based on probability and based on social energy it is equal
Weighing apparatus method.Balancing energy method based on probability forwards message using the history collision probability and transitivity of node, and node is not
The disconnected node for value bigger of meeting that forwards messages to works as the probability value of most nodes so that message is finally forwarded to destination node
When very low, the probability that message is forwarded to destination node will also reduce, and increase the propagation delay time of message.Based on social
Balancing energy method forward message using the betweenness center degree and similarity of node, node, which constantly forwards the messages to, to be had
The node of high effect value, the node energy consumption with high effect value is too fast, has seriously affected the transmission performance of transmission network.
In summary, existing balancing energy method can cause the transmission performance of message transmission time delay and transmission network to drop
It is low.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of method for message transmission is provided
And system, it can effectively avoid message transmission time delay and promote the transmission performance of transmission network.
To achieve the above object, the present invention provides a kind of method for message transmission, including：
Message carries whether node judge the to meet dump energy identifier of node is preset value；
If the message carrying node judges that the dump energy identifier of the node that meets is preset value, institute is judged
Whether the ratio for stating the rate of energy dissipation for the node that meets and the rate of energy dissipation of message carrying node is less than or equal to
Default ratio；
If the message, which carries node, judges that the rate of energy dissipation of the node that meets and the message carry node
The ratio of rate of energy dissipation when being less than or equal to default ratio, judge whether the effect of message carries node function small
In it is described meet node the effect of function；
If the message, which carries node, judges that the effect of message carries node function is less than the node that meets
When Power Function, the copy of the entrained message of residual energy magnitude distribution of node and the node that meets is carried according to the message
To the node that meets.
Optionally, the message carries the residual energy magnitude that node carries node and the node that meets according to the message
Copy to the node that meets of the entrained message of distribution specifically includes：
The message carries node and passes through formulaWithPoint
Copy with entrained message is to the node that meets, wherein n=Na+Nb, n indicates that message carries any disappearing entrained by node
The copy sum of breath, NaIndicate that message carries the number of copies for the remaining message that node is retained, NbIndicate that message carries node
It distributes to the number of copies of the message of the node that meets,Indicate that message carries the residual energy magnitude of node,Expression is met
The residual energy magnitude of node, pa(t) indicate that the power consumption values of message carrying node-node transmission message account for the ratio of total energy consumption value, pb(t) table
Show that the power consumption values for node-node transmission message of meeting account for the ratio of total energy consumption value.
Optionally, further include：
If the message carrying node judges that the dump energy identifier of the node that meets is not preset value, continue
It executes the message and carries node and judge to meet the dump energy identifier of node the step of whether being preset value.
Optionally, further include：
If the message, which carries node, judges that the rate of energy dissipation of the node that meets and the message carry node
The ratio of rate of energy dissipation when being more than default ratio, continue to execute the message and carry node and judge to meet the residue of node
The step of whether power indicator is preset value.
Optionally, further include：
If the message, which carries node, judges that the effect of message carries node function is greater than or equal to described meet
When the effect of node function, continues to execute the message and carry whether node judge the to meet dump energy identifier of node is pre-
If the step of value.
Optionally, dump energy of the node according to message carrying node and the node that meets is carried in the message
Further include after the copy to the node that meets of the entrained message of value distribution：
The message carries node and retains the copy of remaining message, and continues to execute the message carrying node and judge phase
The step of whether the dump energy identifier for meeting node is preset value.
To achieve the above object, the present invention also provides a kind of message delivery systems, including message to carry node and meet
Node；
The message carries node, and whether the dump energy identifier for the node that judges to meet is preset value, if judgement
When the dump energy identifier for going out the node that meets is preset value, the rate of energy dissipation for the node that meets described in judgement and described
Whether the ratio that message carries the rate of energy dissipation of node is less than or equal to default ratio, if judging the node that meets
When the ratio that rate of energy dissipation and the message carry the rate of energy dissipation of node is less than or equal to default ratio, institute is judged
State the effect of message carries node function whether be less than it is described meet node the effect of function, if judging, the message carries section
The effect of point function be less than it is described meet node the effect of function when, node and the node that meets are carried according to the message
The copy of the entrained message of residual energy magnitude distribution is to the node that meets；
The node that meets, the copy for carrying the entrained message of node distribution for receiving the message.
Optionally, if the message carries node and is additionally operable to judge that the dump energy identifier of the node that meets is not
When preset value, continue to execute the message carry node judge to meet node dump energy identifier whether be preset value step
Suddenly.
Optionally, if the message carries node and is additionally operable to judge the rate of energy dissipation of the node that meets and described
When the ratio that message carries the rate of energy dissipation of node is more than default ratio, continues to execute the message carrying node and judge phase
The step of whether the dump energy identifier for meeting node is preset value.
Optionally, the message carries node and is additionally operable to retain the copy of remaining message, and continues to execute the message
Node is carried to judge to meet the dump energy identifier of node the step of whether being preset value.
The invention has the advantages that：
Method for message transmission provided by the invention, if message carries the dump energy mark that node judges the node that meets
Know the ratio of the rate of energy dissipation of rate of energy dissipation and message carrying node that symbol is preset value and the node that meets
Value be less than or equal to default ratio and the effect of the message carries node function be less than it is described meet node the effect of function
When, according to the copy of the entrained message of the residual energy magnitude distribution of message carrying node and the node that meets to the phase
Meet node.The method for message transmission can effectively avoid message transmission time delay and promote the transmission performance of transmission network.
Description of the drawings
Fig. 1 is a kind of flow diagram for method for message transmission that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow diagram of method for message transmission provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of structural schematic diagram for message delivery system that the embodiment of the present invention three provides.
Specific implementation mode
To make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings in the present invention
Technical solution carry out clear, complete description, it is clear that described embodiment be the present invention a part of the embodiment, without
It is whole embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 is a kind of flow diagram for method for message transmission that the present embodiment one provides, as shown in Figure 1, this method packet
Include following steps：
Step 101, message carry whether node judge the to meet dump energy identifier of node is preset value, if so, holding
Row step 102；If it is not, continuing to execute step 101.
Step 102, message carry the rate of energy dissipation for the node that meets described in node judgement and the message carries node
The ratio of rate of energy dissipation whether be less than or equal to default ratio, if so, executing step 103；If it is not, executing step 101.
Step 103, message carry node and judge whether the effect of message carries node function is less than the section that meets
The effect of putting function, if so, executing step 104；If it is not, executing step 101.
Step 104, message carry the residual energy magnitude point that node carries node and the node that meets according to the message
Copy with entrained message is to the node that meets.
Method for message transmission provided in this embodiment, if message carries the dump energy that node judges the node that meets
Identifier is the rate of energy dissipation of the rate of energy dissipation and message carrying node of preset value and the node that meets
Ratio be less than or equal to default ratio and the effect of the message carries node function be less than it is described meet node the effect of function
When, according to the copy of the entrained message of the residual energy magnitude distribution of message carrying node and the node that meets to the phase
Meet node.The method for message transmission can effectively avoid message transmission time delay and promote the transmission performance of transmission network.
Embodiment two
Fig. 2 is a kind of flow diagram for method for message transmission that the present embodiment two provides, as shown in Fig. 2, this method packet
Include following steps：
Step 201, message carry whether node judge the to meet dump energy identifier of node is preset value, if so, holding
Row step 202；If it is not, continuing to execute step 201.
Preferably, the method for message transmission of the present embodiment is based on Internet of Things network.Internet of Things network includes multiple nodes, more
A node random placement, message carry node and carry message, and message carries node and passed through multiple nodes in Internet of Things network
Defeated entrained message.
Whether dump energy mark with enough dump energies transmits message, dump energy for the node that indicates to meet
Mark passes through formulaIt is calculated, wherein S indicates the dump energy mark of node, Er(t) section is indicated
Point is in the residual energy magnitude of t moment, EendIndicate the dump energy threshold value of preset node.
The residual energy magnitude E of noder(t) pass through formulaIt is calculated, wherein
Indicate node i t moment residual energy magnitude,Indicate the initialization energy value of node i,Indicate node i in the t times
The energy value that interior transmission message is consumed,Indicate node i mobile consumed energy value within the t times.
In the present embodiment, preset value 1, when dump energy mark S is preset value 1, expression meets node with enough
Dump energy transmit message, execute step 202.When dump energy mark S is not preset value 1, expression meets node not
Message is transmitted with enough dump energies, continues to execute step 201.
Step 202, message carry the rate of energy dissipation for the node that meets described in node judgement and the message carries node
The ratio of rate of energy dissipation whether be less than or equal to default ratio, if so, executing step 203；If it is not, executing step 201.
Rate of energy dissipation passes through formulaIt is calculated, whereinIndicate node i in t
Rate of energy dissipation in time, ξ indicate that node i forwards the energy value consumed required for the message of a unit-sized,
Indicate the message total amount that node i forwards within the t times, pi(t) indicate that node i transmits the energy that message is consumed within the t times
Value accounts for the ratio for the total energy value that node is consumed within the t times,Indicate the residual energy magnitude of node i.Specifically, pi
(t) pass through formulaIt is calculated, wherein pi(t) indicate that node i transmits message within the t times and disappeared
The energy value of consumption accounts for the ratio for the total energy value that node is consumed within the t times,It indicates that node i is transmitted within the t times to disappear
The consumed energy value of breath,Indicate node i mobile consumed energy value within the t times.
Default ratio passes through formulaIt is calculated, wherein θ indicates the rate of energy dissipation of b nodes and a nodes
Ratio,Indicate rate of energy dissipation of the b nodes within the t times,Indicate energy expenditure of a nodes within the t times
Rate.In the present embodiment, presets ratio and be more than 1.
If the ratio that the rate of energy dissipation and message of the node that meets carry the rate of energy dissipation of node is less than or equal to
When default ratio, the rate of energy dissipation for the node that indicates to meet is smaller, executes step 203.If the energy expenditure speed for the node that meets
When the ratio that rate and message carry the rate of energy dissipation of node is more than default ratio, indicate that message carries the energy expenditure of node
Rate is smaller, executes step 201.
Step 203, message carry node and judge whether the effect of message carries node function is less than the section that meets
The effect of putting function, if so, executing step 204；If it is not, executing step 201.
Power Function passes through formula Ut(i)=Pi+Er i(t) it is calculated, wherein Ut(i) work(of the expression node i in t moment
Function is imitated,Indicate node i in the residual energy magnitude of t moment, PiIndicate the social probability value of utility of node i.It is social
Probability value of utility passes through formulaIt is calculated, wherein PiIndicate the social probability value of utility of node i, Pi' and Pj′
The collision probability of node i and node j and destination node is indicated respectively.
Message, which carries the effect of node function and is less than the effect of the meeting node function representation node that meets, is transmitted to message
The probability of destination node is larger, executes step 204.Message carries the effect of node function and is greater than or equal to the effect of meeting node
The probability that message is transmitted to destination node by function representation message carrying node is larger, executes step 201.
Step 204, message carry the residual energy magnitude point that node carries node and the node that meets according to the message
Copy with entrained message is to the node that meets.
Specifically, message carrying node passes through formulaWithThe copy of the entrained message of distribution is to the node that meets, wherein n=Na+
Nb, n indicates the copy sum of any message entrained by node a, NaIndicate the copy for the remaining message that node a is retained
Number, NbIndicate that node a distributes the number of copies of the message to node b,Indicate node a t moment residual energy magnitude,Indicate node b in the residual energy magnitude of t moment, pa(t) indicate that node a transmits the power consumption values of message within the t times and accounts for always
The ratio of power consumption values, pb(t) indicate that node b transmits the power consumption values of message within the t times and accounts for the ratio of total energy consumption value.The present embodiment
In, node a is that message carries node, and node b is the node that meets.Such as：Message carries the copy of some message entrained by node
Sum is 5, and it is 3 that message, which carries node and distributes to the copy sum of the message of the node that meets, then message carries node institute
The copy sum of the remaining message retained is 2.
In the present embodiment, message, which carries node, can carry multiple message, and the copy sum of each message is multiple.Phase
The residual energy magnitude for meeting node is higher with respect to the residual energy magnitude of message carrying node, and message carries node and distributes to the node that meets
Message number of copies it is more.
Subsequently, after the node that meets receives the copy for the message that message carries node distribution, which becomes
New message carries node.
Step 205, the message carry the copy that node retains remaining message, execute step 201.
If the message entrained by message carrying node is multiple, the copy of remaining message includes and multiple message are distinguished
Corresponding copy, and continue to move to by the transfer copies of the remaining message retained to other nodes that meet.
Message carries each step that node cycle executes method for message transmission in the present embodiment, until by entrained message
It is transmitted to destination node.
Method for message transmission provided in this embodiment, if message carries the dump energy that node judges the node that meets
Identifier is the rate of energy dissipation of the rate of energy dissipation and message carrying node of preset value and the node that meets
Ratio be less than or equal to default ratio and the effect of the message carries node function be less than it is described meet node the effect of function
When, according to the copy of the entrained message of the residual energy magnitude distribution of message carrying node and the node that meets to the phase
Node is met, this method is ensureing transmission network using residual energy magnitude, the copy of rate of energy dissipation and Power Function assignment messages
Message transmission success rate is maximised while network interior joint energy consumption balance, can effectively avoid message transmission time delay and be promoted to pass
The transmission performance of defeated network.
Embodiment three
Fig. 3 is a kind of structural schematic diagram for message delivery system that the embodiment of the present invention three provides, as shown in figure 3, this disappears
Breath Transmission system includes that message carries node 11 and the node 12 that meets.
Message carries whether be used to judge the to meet dump energy identifier of node 12 of node 11 is preset value, if judging
When the dump energy identifier of the node 12 that meets is preset value, the rate of energy dissipation for the node 12 that meets described in judgement and institute
Whether the ratio for stating the rate of energy dissipation that message carries node 11 is less than or equal to default ratio, if judging the section that meets
The ratio that the rate of energy dissipation of point 12 and the message carry the rate of energy dissipation of node 11 is less than or equal to default ratio
When, judge the effect of message carries node 11 function whether be less than it is described meet node 12 the effect of function, if judging
The message carry the effect of node 11 function be less than it is described meet node 12 the effect of function when, carried and saved according to the message
The copy of the entrained message of the residual energy magnitude of point 11 and the node 12 that meets distribution is to the node 12 that meets.
The node 12 that meets carries the copy for the entrained message that node 11 distributes for receiving the message.
Further, if the message carries node 11 and is additionally operable to judge the dump energy mark of the node 12 that meets
When symbol is not preset value, continue to execute the message carry node 11 judge to meet node 12 dump energy identifier whether be
The step of preset value.
Further, if the message carries node 11 and is additionally operable to judge the rate of energy dissipation of the node 12 that meets
When carrying the ratio of the rate of energy dissipation of node 11 more than default ratio with the message, continues to execute the message and carry section
Point 11 judges to meet the dump energy identifier of node 12 the step of whether being preset value.
Further, if the message carries node 11 and is additionally operable to judge the effect of message carries node 11 function
More than or equal to it is described meet node 12 the effect of function when, continue to execute the message and carry the judgement of node 11 and meet node 12
Dump energy identifier the step of whether being preset value.
Further, the message carries node 11 and is additionally operable to retain the copy of remaining message, and continues to execute described
Message carries node 11 and judges to meet the dump energy identifier of node 12 the step of whether being preset value.
Optionally, message carries node 11 and the node 12 that meets can be multiple.
The message transmission that the message delivery system that the present embodiment three provides provides for realizing embodiment one or embodiment two
Method.
Message delivery system provided in this embodiment, including message carry node and the node that meets, and message carries node and uses
If in judge rate of energy dissipation that the dump energy identifier of the node that meets is preset value and the node that meets and
The ratio that the message carries the rate of energy dissipation of node is less than or equal to default ratio and the message carries the work(of node
Effect function be less than it is described meet node the effect of function when, the residual energy of node and the node that meets is carried according to the message
The copy of the entrained message of magnitude distribution is to the node that meets.The message delivery system can effectively avoid message transmission time delay
And promote the transmission performance of transmission network.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of method for message transmission, which is characterized in that including：
Message carries whether node judge the to meet dump energy identifier of node is preset value；
If the message carrying node judges that the dump energy identifier of the node that meets is preset value, the phase is judged
The ratio of the rate of energy dissipation of node and the rate of energy dissipation of message carrying node is met whether less than or equal to default
Ratio；
If the message, which carries node, judges that the rate of energy dissipation of the node that meets and the message carry the energy of node
When measuring the ratio of wear rate less than or equal to default ratio, judge whether the effect of message carries node function is less than institute
State the effect of meeting node function；
If the effect of message carrying node judges message carrying node function meets less than described in the effect of node
When function, according to the copy of the entrained message of the residual energy magnitude distribution of message carrying node and the node that meets to institute
State the node that meets.
2. method for message transmission according to claim 1, which is characterized in that the message carries node according to the message
Copy to the node that meets for carrying the entrained message of residual energy magnitude distribution of node and the node that meets specifically includes：
The message carries node and passes through formulaWith
The copy of the entrained message of distribution is to the node that meets, wherein n=Na+Nb, n indicate message carry node entrained by any
The copy sum of message, NaIndicate that message carries the number of copies for the remaining message that node is retained, NbIndicate that message carries section
Point is distributed to the number of copies of the message of the node that meets,Indicate that message carries the residual energy magnitude of node,Indicate phase
Meet the residual energy magnitude of node, pa(t) indicate that the power consumption values of message carrying node-node transmission message account for the ratio of total energy consumption value, pb(t)
The power consumption values of node-node transmission message of indicating to meet account for the ratio of total energy consumption value.
3. method for message transmission according to claim 1, which is characterized in that further include：
If the message carrying node judges that the dump energy identifier of the node that meets is not preset value, continue to execute
The message carries node and judges to meet the dump energy identifier of node the step of whether being preset value.
4. method for message transmission according to claim 1, which is characterized in that further include：
If the message, which carries node, judges that the rate of energy dissipation of the node that meets and the message carry the energy of node
When measuring the ratio of wear rate and being more than default ratio, continues to execute the message and carry node and judge to meet the dump energy of node
The step of whether identifier is preset value.
5. method for message transmission according to claim 1, which is characterized in that further include：
If the message, which carries node, judges that the effect of message carries node function is greater than or equal to the node that meets
The effect of function when, continue to execute the message and carry whether node judge the to meet dump energy identifier of node is preset value
The step of.
6. method for message transmission according to claim 1, which is characterized in that carry node in the message and disappear according to
Breath carries after the copy to the node that meets of the entrained message of residual energy magnitude distribution of node and the node that meets
Further include：
The message carries node and retains the copy of remaining message, and continues to execute the message carrying node and judge the section that meets
The step of whether the dump energy identifier of point is preset value.
7. a kind of message delivery system, which is characterized in that carry node including message and the node that meets；
The message carries node, and whether the dump energy identifier for the node that judges to meet is preset value, if judging institute
When the dump energy identifier for stating the node that meets is preset value, the rate of energy dissipation for the node that meets described in judgement and the message
Whether the ratio for carrying the rate of energy dissipation of node is less than or equal to default ratio, if judging the energy of the node that meets
When the ratio that wear rate and the message carry the rate of energy dissipation of node is less than or equal to default ratio, disappear described in judgement
Breath carry the effect of node function whether be less than it is described meet node the effect of function, if judging, the message carries node
Power Function be less than it is described meet node the effect of function when, the residue of node and the node that meets is carried according to the message
The copy of the entrained message of energy value distribution is to the node that meets；
The node that meets, the copy for carrying the entrained message of node distribution for receiving the message.
8. message delivery system according to claim 7, which is characterized in that if the message carries node and is additionally operable to judge
When the dump energy identifier for going out the node that meets is not preset value, continues to execute the message carrying node and judge the section that meets
The step of whether the dump energy identifier of point is preset value.
9. message delivery system according to claim 7, which is characterized in that if the message carries node and is additionally operable to judge
The ratio for going out the rate of energy dissipation of the node that meets and the rate of energy dissipation of message carrying node is more than default ratio
When value, continues to execute the message and carry node and judge to meet the dump energy identifier of node the step of whether being preset value.
10. message delivery system according to claim 7, which is characterized in that the message carries node and is additionally operable to retain
The copy of remaining message, and continue to execute the message carry node judge to meet node dump energy identifier whether be
The step of preset value.
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| CN111343281A (en) * | 2020-03-16 | 2020-06-26 | 中国联合网络通信集团有限公司 | Data transmission method, device, terminal equipment and storage medium |
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| CN111343281A (en) * | 2020-03-16 | 2020-06-26 | 中国联合网络通信集团有限公司 | Data transmission method, device, terminal equipment and storage medium |
| CN111343281B (en) * | 2020-03-16 | 2022-02-01 | 中国联合网络通信集团有限公司 | Data transmission method, device, terminal equipment and storage medium |
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Application publication date: 20181109 |