CN112787743A - Time synchronization communication method, device and computer storage medium - Google Patents
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- H04J3/0635—Clock or time synchronisation in a network
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Abstract
The application provides a time synchronization communication method, a time synchronization communication device and a computer storage medium. The time synchronization communication method is applied to a gateway, and comprises the following steps: acquiring equipment information of a plurality of collectors which are successfully connected, wherein the equipment information comprises collector transmission rate; distributing synchronous communication information of each collector by using the transmission rates of a plurality of collectors, wherein the synchronous communication information comprises a time channel serial number of each collector; and sending the synchronous communication information to the plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively. By the mode, the time channel serial number of each collector is distributed, so that the data jam condition is reduced, and the data loss is avoided.
Description
Technical Field
The present application relates to the field of wireless communications technologies, and in particular, to a time synchronization communication method and apparatus, and a computer storage medium.
Background
Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems are capable of supporting communication with multiple users by sharing common system resources (e.g., time, frequency, power, and channel resources).
However, some wireless communication systems only carry one time channel, and multiple users simultaneously use the same time channel for communication, which is likely to cause data congestion on the time channel and result in loss of communication data of the users.
Disclosure of Invention
The application provides a time synchronization communication method, a time synchronization communication device and a computer storage medium.
The application provides a time synchronization communication method, which is applied to a gateway and comprises the following steps:
acquiring equipment information of a plurality of collectors which are successfully connected, wherein the equipment information comprises collector transmission rate;
distributing synchronous communication information of each collector by using the transmission rates of the plurality of collectors, wherein the synchronous communication information comprises a time channel serial number of each collector;
and sending the synchronous communication information to the plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively.
The time synchronization communication method further includes:
and sending the time of the self timer to the plurality of collectors so that the plurality of collectors perform time synchronization according to the time of the timer before communicating with the gateway.
The device information comprises synchronization time required by each collector for synchronizing the time of the timer;
the sending the time of the self timer to the plurality of collectors includes:
calculating a plurality of timer times by using the time of the self timer and the synchronous time of each collector;
and respectively sending the plurality of timer times to corresponding collectors so that each collector performs time synchronization according to the timer times.
The synchronous communication information also comprises time channel intervals between adjacent collectors;
the allocating the synchronous communication information of each collector by using the transmission rates of the plurality of collectors includes:
calculating the time channel interval by using the transmission rates of the plurality of collectors;
distributing the time channel serial numbers of the plurality of collectors according to a preset rule;
and generating the synchronous communication information based on the time channel interval and the time channel sequence number.
Wherein, the time channel sequence numbers of the plurality of collectors are distributed according to a preset rule, and the method comprises the following steps:
acquiring the connection sequence and/or the registration sequence of the plurality of collectors;
and distributing corresponding time channel sequence numbers to each collector based on the connection sequence and/or the registration sequence.
Before obtaining the device information of the plurality of collectors which are successfully connected, the method includes:
acquiring a connection request sent by a collector in a communication range, wherein the connection request comprises address information and registration information of the collector;
verifying whether the registration information of the collector is legal or not;
and if so, establishing communication connection with the collector.
The application also provides another time synchronization communication method, which is applied to a time synchronization wireless network, wherein the time synchronization wireless network at least comprises a gateway, a first collector and a second collector, and the gateway is in communication connection with the first collector and the second collector respectively;
the time synchronization communication method comprises the following steps:
the first collector and the second collector respectively send equipment information to the gateway, wherein the equipment information comprises collector transmission rate;
the gateway distributes synchronous communication information by using the transmission rate of the first collector and the transmission rate of the second collector, wherein the synchronous communication information comprises a first time communication serial number of the first collector and a second time channel serial number of the second collector, and the first time communication serial number is smaller than the second time communication serial number;
the gateway sends the synchronous communication information to the first collector and the second collector;
the first collector communicates with the gateway according to the first time channel sequence number;
and after the communication of the first collector is finished, the second collector communicates with the gateway according to the second time channel sequence number.
The application also provides a communication device, which comprises an acquisition module, a distribution module and a communication module; wherein,
the acquisition module is used for acquiring the equipment information of a plurality of collectors which are successfully connected, wherein the equipment information comprises the transmission rate of the collectors;
the distribution module is configured to distribute synchronous communication information of each collector by using the transmission rates of the plurality of collectors, where the synchronous communication information includes a time channel sequence number of each collector;
and the communication module is used for sending the synchronous communication information to the plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively.
The present application further provides another communication apparatus comprising a memory and a processor, wherein the memory is coupled to the processor;
wherein the memory is configured to store program data and the processor is configured to execute the program data to implement the time-synchronized communication method as described above.
The present application also provides a computer storage medium for storing program data which, when executed by a processor, is used to implement the time-synchronized communication method as described above.
The beneficial effect of this application is: the communication device acquires equipment information of a plurality of collectors which are successfully connected, wherein the equipment information comprises collector transmission rate; distributing synchronous communication information of each collector by using the transmission rates of a plurality of collectors, wherein the synchronous communication information comprises a time channel serial number of each collector; and sending the synchronous communication information to the plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively. By the mode, the time channel serial number of each collector is distributed, so that the data jam condition is reduced, and the data loss is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
fig. 1 is a schematic flowchart of an embodiment of a time synchronization communication method provided in the present application;
fig. 2 is a detailed flowchart of step S102 in the time synchronization communication method shown in fig. 1;
fig. 3 is a schematic flow chart of another embodiment of a time synchronization communication method provided in the present application;
fig. 4 is a schematic structural diagram of an embodiment of a communication device provided in the present application;
fig. 5 is a schematic structural diagram of another embodiment of a communication device provided in the present application;
FIG. 6 is a schematic structural diagram of an embodiment of a computer storage medium provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The time synchronization communication method of the embodiment of the application can be applied to the field of cold chain transportation, and particularly, the gateway and/or the collector mentioned in the time synchronization communication method can be installed in a cold chain environment. The collector specifically can be a temperature and humidity detection device, and temperature and humidity detection device can place in the cold chain environment to acquire the temperature information and/or the humidity information of the object to be measured in the cold chain environment. The collector of the embodiment of the application establishes wireless channel connection with the wireless gateways in the preset communication range, wherein one wireless gateway can be in communication connection with a plurality of collectors provided by the application so as to realize one-to-many communication.
The communication module adopted by the wireless gateway and/or the collector adopts a four-code-in-one technology (bar code, two-dimensional code, RFID and Interbow), 2G transmission is promoted to 4G transmission, and NB-IOT transmission can be used.
In the cold chain process, the carrier storing the object to be measured is generally a refrigeration device or a cold chain box. The refrigeration equipment can be a refrigerator, an ice chest, a refrigerating chamber and the like, and is mainly used for storing medicines, vaccines or other articles needing cold chain transportation. For example, a collector may be installed inside or outside the refrigerator for collecting temperature information and/or humidity information of the inside environment or the outside environment of the refrigerator. After the collector collects the temperature information and/or the humidity information of the internal environment or the external environment of the refrigeration equipment, the temperature information and/or the humidity information are sent to the connected wireless gateway, and the temperature information and/or the humidity information are uploaded to the remote server through the wireless gateway.
Based on the basic principle of cold chain transportation, the present application further provides a time synchronization communication method, and specifically please refer to fig. 1, where fig. 1 is a schematic flow diagram of an embodiment of the time synchronization communication method provided by the present application.
The time synchronization communication method is applied to a communication device, wherein the communication device can be a server, a terminal device, or a system in which the server and the terminal device are matched with each other. Accordingly, each part, such as each unit, sub-unit, module, and sub-module, included in the electronic device may be all disposed in the server, may be all disposed in the terminal device, and may be disposed in the server and the terminal device, respectively.
Further, the server may be hardware or software. When the server is hardware, it may be implemented as a distributed server cluster formed by multiple servers, or may be implemented as a single server. When the server is software, it may be implemented as a plurality of software or software modules, for example, software or software modules for providing distributed servers, or as a single software or software module, and is not limited herein. In some possible implementations, the time synchronization communication method of the embodiments of the present application may be implemented by a processor calling computer readable instructions stored in a memory. Specifically, the communication device according to the embodiment of the present application may be a gateway, such as a wireless gateway.
As shown in fig. 1, the time synchronization communication method according to the embodiment of the present application specifically includes the following steps:
step S101: and acquiring the equipment information of a plurality of collectors which are successfully connected, wherein the equipment information comprises the transmission rate of the collectors.
After the gateway is started, the collector in the communication range is searched, and the equipment information of the gateway is broadcasted to the collector in the communication range. The collector that acquires the device information of the gateway may send a connection request to the gateway, requesting establishment of a wireless communication connection with the gateway.
Specifically, the gateway parses collector address information and registration information in a connection request sent by the collector. The address information of the collector represents the device address of the collector, the device address is a string of numbers for identifying the device identity, and in the communication system, the device address is used for uniquely identifying one physical device, such as an MAC address in a TCP/IP network, a Bluetooth address in traditional Bluetooth and the like.
The registration information of the collector comprises information such as a login account password and a use authority, and the gateway needs to verify whether the registration information of the collector is legal or not. If the registration information is legal, the collector is in an available state, and the gateway establishes wireless communication connection with the collector; if the registration information is illegal, the collector is in an unavailable state, and the gateway excludes the collector from the connection list.
After the gateway and the plurality of collectors successfully establish communication connection, the gateway further acquires the equipment information of the plurality of collectors, wherein the equipment information at least comprises the transmission rate of the collectors.
Step S102: and distributing the synchronous communication information of each collector by using the transmission rates of the plurality of collectors, wherein the synchronous communication information comprises the time channel serial number of each collector.
The gateway distributes synchronous communication information of each collector according to the transmission rates of the plurality of collectors, wherein the synchronous communication information at least comprises a time channel sequence number of each collector. The gateway provided by the embodiment of the application is provided with a time channel for data communication, and a plurality of collectors need to perform data communication through the time channel. If a plurality of collectors use the time channel to perform data communication at the same time, data congestion may be caused, data loss of part or even all of the collectors may be caused, and communication effect may be affected.
Therefore, the gateway of the embodiment of the present application allocates a time channel sequence number to each collector based on the transmission rate of each collector, where the time channel sequence number of each collector indicates the sequence in which the collector uses the time channel, and the smaller the time channel sequence number is, the higher the priority of the collector using the time channel is. After the previous collector with the time channel serial number uses the time channel, the collector with the next time channel serial number can use the time channel to transmit data. By the method, only one collector can transmit data at the same time, and the condition of data blockage is effectively avoided.
The method for distributing the synchronous communication information has various modes, the time channel serial numbers of the collectors can be distributed according to the transmission rate as the standard, and the distribution standard can be set to be that the higher the transmission rate is, the smaller the time channel serial numbers distributed by the collectors are; the synchronous communication information may also be distributed according to other standards.
Referring to fig. 2, fig. 2 is a flowchart illustrating a step S102 in the time synchronization communication method shown in fig. 1. As shown in fig. 2, step S102 may specifically include the following steps:
step S201: the time channel interval is calculated using the transmission rates of the plurality of collectors.
The gateway can set the size of a data packet of each data transmission of each collector in advance, and then acquire the transmission rate of each collector in real time, so as to calculate the maximum transmission time of the data packet successfully transmitted by the collector, and set the maximum transmission time as the time channel interval with the next collector. Setting the time channel interval between adjacent collectors by referring to the maximum transmission time of each collector can include that each collector can successfully transmit the collected data packets in the corresponding time channel interval.
It should be noted that, the time channel interval in the embodiment of the present application should be dynamic data, which depends on the real-time transmission rate of each collector.
Step S202: and distributing the time channel serial numbers of the plurality of collectors according to a preset rule.
The gateway may allocate the time channel sequence numbers of the collectors according to the connection order and/or the registration order of the plurality of collectors.
Specifically, the connection sequence may be a time sequence in which the gateway and the plurality of collectors successfully establish the communication connection, and the registration sequence may be a time sequence in which the plurality of collectors successfully register the time channels of the gateway. In addition, the gateway can also calculate the distance between the gateway and the collector according to the address information of the collector, and then the time channel serial numbers of the collectors are distributed according to the distance.
For example, when the connection order is used as the allocation standard, the gateway allocates the time channel sequence numbers of the collectors one by one according to the connection order of successful connection, i.e., the earlier the successful connection time is, the smaller the allocated time channel sequence number is. It should be noted that, when the gateways of the embodiments of the present application assign the time channel serial numbers, a combination of one or more of the foregoing assignment criteria may be adopted, and a combination manner is not necessarily listed here.
Step S203: the synchronized communication information is generated based on the time channel interval and the time channel sequence number.
The gateway packages the time channel interval and the time channel sequence number to generate synchronous communication information so as to broadcast the synchronous communication information to all the collectors.
Step S103: and sending the synchronous communication information to a plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively.
The plurality of collectors respectively use the time channels and the gateway one by one according to the sequence and the time channel interval of the time channel serial numbers corresponding to the collectors to transmit data to the gateway.
Further, since the gateway and the collector are both configured with their own timers, if the timers between the gateway and the collector cannot be synchronized, the previous collector may not finish data transmission, and the next collector starts data transmission. Therefore, the embodiment of the present application further provides a method for performing time synchronization by using a gateway timer, where the time synchronization process specifically includes:
the device information acquired by the gateway may further include a synchronization time required by the collector to synchronize the self timer with other timers, where the synchronization time depends on the computing capability of the collector. And the gateway calculates the timer time corresponding to each collector by using the time of the timer of the gateway and the synchronous time of each collector. Then, the gateway sends the timer time corresponding to each collector to the corresponding collector respectively, so that the corresponding collector can update the timer of the corresponding collector according to the timer time, the timers of the gateway and all the collectors are synchronized, and the accuracy of the time synchronization communication method is improved.
After all the timers are successfully synchronized, the plurality of collectors can carry out data communication with the gateway one by one according to the respective time channel serial numbers.
In the embodiment of the application, a communication device, namely a gateway, acquires device information of a plurality of collectors which are successfully connected, wherein the device information comprises collector transmission rate; distributing synchronous communication information of each collector by using the transmission rates of a plurality of collectors, wherein the synchronous communication information comprises a time channel serial number of each collector; and sending the synchronous communication information to the plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively. By the mode, the time channel serial number of each collector is distributed, so that the data jam condition is reduced, and the data loss is avoided.
Referring to fig. 3, fig. 3 is a schematic flowchart illustrating a time synchronization communication method according to another embodiment of the present application. The time synchronization communication method is applied to a time synchronization wireless network, wherein the time synchronization wireless network at least comprises a gateway, a first collector and a second collector, and the gateway establishes wireless communication connection with the first collector and the second collector respectively.
It should be noted that the gateway in the embodiment of the present application may be the communication device described in the above embodiment, and the first collector and the second collector may be collectors described in the above embodiment, and the number of the first collector and the number of the second collector are not limited herein.
As shown in fig. 3, the time synchronization communication method according to the embodiment of the present application includes the following steps:
step S301: the first collector and the second collector respectively send the equipment information to the gateway, wherein the equipment information comprises collector transmission rate.
Step S302: the gateway distributes synchronous communication information by using the transmission rate of the first collector and the transmission rate of the second collector, wherein the synchronous communication information comprises a first time communication sequence number of the first collector and a second time channel sequence number of the second collector, and the first time communication sequence number is smaller than the second time communication sequence number.
Step S303: and the gateway sends the synchronous communication information to the first collector and the second collector.
Step S304: and the first collector communicates with the gateway according to the first time channel sequence number.
Step S305: and after the communication of the first collector is finished, the second collector communicates with the gateway according to the second time channel sequence number.
The specific technical contents of step S301 to step S305 have been described in detail in the above embodiments, and are not described herein again.
It will be understood by those skilled in the art that in the method of the present invention, the order of writing the steps does not imply a strict order of execution and any limitations on the implementation, and the specific order of execution of the steps should be determined by their function and possible inherent logic.
To implement the time synchronization communication method of the above embodiment, the present application provides a communication device, and specifically please refer to fig. 4, where fig. 4 is a schematic structural diagram of an embodiment of the communication device provided in the present application.
As shown in fig. 4, the communication apparatus 400 includes an acquisition module 41, an assignment module 42, and a communication module 43. Wherein,
an obtaining module 41, configured to obtain device information of a plurality of collectors that are successfully connected, where the device information includes collector transmission rates.
The allocating module 42 is configured to allocate synchronous communication information of each collector by using the transmission rates of the plurality of collectors, where the synchronous communication information includes a time channel sequence number of each collector.
And a communication module 43, configured to send the synchronous communication information to the multiple collectors, so that the multiple collectors communicate with the gateway according to their corresponding time channel sequence numbers, respectively.
To implement the time synchronization communication method of the above embodiment, the present application further provides another communication device, and please refer to fig. 5 specifically, where fig. 5 is a schematic structural diagram of another embodiment of the communication device provided in the present application.
The communication apparatus 500 of the embodiment of the present application includes a processor 51, a memory 52, an input/output device 53, and a bus 54.
The processor 51, the memory 52, and the input/output device 53 are respectively connected to the bus 54, the memory 52 stores program data, and the processor 51 is used for executing the program data to implement the time synchronization communication method according to the above embodiment.
In the present embodiment, the processor 51 may also be referred to as a CPU (Central Processing Unit). The processor 51 may be an integrated circuit chip having signal processing capabilities. The processor 51 may also be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor 51 may be any conventional processor or the like.
The present application also provides a computer storage medium, as shown in fig. 6, a computer storage medium 600 is used for storing program data 61, and when the program data 61 is executed by a processor, the time synchronization communication method according to the above embodiment is implemented.
The present application also provides a computer program product, wherein the computer program product comprises a computer program operable to cause a computer to execute the time-synchronized communication method according to the embodiments of the present application. The computer program product may be a software installation package.
The time synchronization communication method according to the above embodiments of the present application may be stored in a device, for example, a computer readable storage medium, when the time synchronization communication method is implemented in the form of a software functional unit and sold or used as an independent product. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A time synchronization communication method, wherein the time synchronization communication method is applied to a gateway, and the time synchronization communication method comprises:
acquiring equipment information of a plurality of collectors which are successfully connected, wherein the equipment information comprises collector transmission rate;
distributing synchronous communication information of each collector by using the transmission rates of the plurality of collectors, wherein the synchronous communication information comprises a time channel serial number of each collector;
and sending the synchronous communication information to the plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively.
2. The time-synchronized communication method of claim 1,
the time synchronization communication method further includes:
and sending the time of the self timer to the plurality of collectors so that the plurality of collectors perform time synchronization according to the time of the timer before communicating with the gateway.
3. The time-synchronized communication method of claim 2,
the device information comprises synchronization time required by each collector to synchronize the time of the timer;
the sending the time of the self timer to the plurality of collectors includes:
calculating a plurality of timer times by using the time of the self timer and the synchronous time of each collector;
and respectively sending the plurality of timer times to corresponding collectors so that each collector performs time synchronization according to the timer times.
4. The time-synchronized communication method of claim 1,
the synchronous communication information also comprises time channel intervals between adjacent collectors;
the allocating the synchronous communication information of each collector by using the transmission rates of the plurality of collectors includes:
calculating the time channel interval by using the transmission rates of the plurality of collectors;
distributing the time channel serial numbers of the plurality of collectors according to a preset rule;
and generating the synchronous communication information based on the time channel interval and the time channel sequence number.
5. The time-synchronized communication method of claim 4,
the allocating the time channel sequence numbers of the plurality of collectors according to the preset rule includes:
acquiring the connection sequence and/or the registration sequence of the plurality of collectors;
and distributing corresponding time channel sequence numbers to each collector based on the connection sequence and/or the registration sequence.
6. The time-synchronized communication method of claim 1,
before the obtaining of the device information of the plurality of collectors which are successfully connected, the method includes:
acquiring a connection request sent by a collector in a communication range, wherein the connection request comprises address information and registration information of the collector;
verifying whether the registration information of the collector is legal or not;
and if so, establishing communication connection with the collector.
7. A time synchronization communication method is characterized in that the time synchronization communication method is applied to a time synchronization wireless network, the time synchronization wireless network at least comprises a gateway, a first collector and a second collector, and the gateway is respectively in communication connection with the first collector and the second collector;
the time synchronization communication method comprises the following steps:
the first collector and the second collector respectively send equipment information to the gateway, wherein the equipment information comprises collector transmission rate;
the gateway distributes synchronous communication information by using the transmission rate of the first collector and the transmission rate of the second collector, wherein the synchronous communication information comprises a first time communication serial number of the first collector and a second time channel serial number of the second collector, and the first time communication serial number is smaller than the second time communication serial number;
the gateway sends the synchronous communication information to the first collector and the second collector;
the first collector communicates with the gateway according to the first time channel sequence number;
and after the communication of the first collector is finished, the second collector communicates with the gateway according to the second time channel sequence number.
8. A communication apparatus, comprising an acquisition module, an assignment module, and a communication module; wherein,
the acquisition module is used for acquiring the equipment information of a plurality of collectors which are successfully connected, wherein the equipment information comprises the transmission rate of the collectors;
the distribution module is configured to distribute synchronous communication information of each collector by using the transmission rates of the plurality of collectors, where the synchronous communication information includes a time channel sequence number of each collector;
and the communication module is used for sending the synchronous communication information to the plurality of collectors so that the plurality of collectors communicate with the gateway according to the time channel serial numbers corresponding to the collectors respectively.
9. A communication device, comprising a memory and a processor, wherein the memory is coupled to the processor;
wherein the memory is used for storing program data, and the processor is used for executing the program data to realize the time synchronization communication method according to any one of claims 1-6 and 7.
10. A computer storage medium for storing program data which, when executed by a processor, is configured to implement the time-synchronized communication method of any one of claims 1 to 6 and 7.
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| CN111983948A (en) * | 2020-07-07 | 2020-11-24 | 宝能(广州)汽车研究院有限公司 | Multi-sensor data synchronization method and equipment thereof |
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| CN111510350A (en) * | 2020-04-10 | 2020-08-07 | 广州致远电子有限公司 | Data time-sharing acquisition method and device based on multiple channels |
| CN111983948A (en) * | 2020-07-07 | 2020-11-24 | 宝能(广州)汽车研究院有限公司 | Multi-sensor data synchronization method and equipment thereof |
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