CN115276777B - TDMA networking parameter management method based on data abstract and time stamp - Google Patents
TDMA networking parameter management method based on data abstract and time stamp Download PDFInfo
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- CN115276777B CN115276777B CN202210878002.5A CN202210878002A CN115276777B CN 115276777 B CN115276777 B CN 115276777B CN 202210878002 A CN202210878002 A CN 202210878002A CN 115276777 B CN115276777 B CN 115276777B
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- 230000006855 networking Effects 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 abstract description 10
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- 230000005540 biological transmission Effects 0.000 description 7
- 239000002699 waste material Substances 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/212—Time-division multiple access [TDMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a TDMA networking parameter management method based on a data abstract and a time stamp, and relates to the field of satellite communication. According to the TDMA network planning parameters, generating parameter files of various parameters and summary time stamp files; comparing the abstract information of the new parameter file with the abstract information of the corresponding parameter file in the abstract timestamp file, and updating the file; pushing the updated parameter file to the main TDMA terminal according to the updating condition of the parameter file; after a TDMA remote station is accessed to the network, each terminal parameter file time stamp of the remote station terminal is sent to a main TDMA terminal, and the corresponding time stamp recorded by a terminal version file in the main TDMA terminal is compared; and updating the parameter file of the TDMA remote station according to the comparison result, and realizing the management of the parameters in more optimized time and less resource occupation. The method has the advantages of less time consumption and small occupation of satellite communication resources, and is suitable for the management of the parameters of the TDMA communication system under the multi-site scene.
Description
Technical Field
The invention relates to a TDMA networking parameter management method based on a data abstract and a time stamp in the field of satellite communication, which is particularly suitable for the situation that a system comprises a plurality of TDMA terminals and the number of the terminals is more.
Background
Currently, parameter management of TDMA networking needs to compare multiple parameter files, the content of different parameter files also has a large difference, and the size of the parameter files needing to be compared increases with the increase of the network scale. Parameters to be managed in TDMA networking comprise network parameter files and TDMA terminal parameter files, wherein the network parameter files comprise frame mechanism parameter files, network access control parameter files, telephone number tables and terminal version parameter files; the TDMA terminal parameter file includes service port parameters, pvc port parameters, telephony port parameters, and terminal parameters.
The traditional TDMA parameter management mode only depends on the time stamp without checking whether the parameters are changed, and for the same parameter file under different time, the parameter management mode only depends on the time stamp can consider that the parameter is different parameters, thereby triggering file updating and transmission; the traditional method for comparing whether the parameters are changed is to compare the parameter contents item by item, which requires transmitting the parameter file for item by item parameter comparison.
In summary, both of the above two approaches generate many redundant file transfers, resulting in redundant management of parameters, which reduces the efficiency of TDMA parameter management and occupies valuable satellite communication resources. Therefore, a more optimized parameter management method is needed.
Disclosure of Invention
In view of this, the invention provides a TDMA networking parameter management method based on data summary and time stamp, which can effectively solve the problems of redundant file transmission and parameter management, improve the efficiency of parameter management, and reduce the occupation of satellite communication resources.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A TDMA networking parameter management method based on data abstract and time stamp comprises the following steps:
A. generating a parameter file and a summary time stamp file of various parameters according to the TDMA network planning parameters;
B. Generating a corresponding new parameter file after receiving the new parameter information each time, comparing the digital abstract of the new parameter file with the digital abstract of the corresponding parameter file in the abstract timestamp file, and updating the parameter file and the abstract timestamp file according to the comparison result;
C. pushing the updated parameter file to the main TDMA terminal according to the parameter file updating condition, wherein the updated parameter file comprises terminal version files for recording the time stamp of each terminal parameter file; after the main TDMA terminal is accessed to the network, the updated parameter file is sent to the main TDMA terminal;
D. After the TDMA remote station terminal is accessed to the network, the self terminal parameter file time stamp is sent to the main TDMA terminal, and the main TDMA terminal compares the self stored terminal parameter file with the received time stamp of the remote station terminal parameter file;
E. and updating the parameter file of the TDMA remote station according to the comparison result.
Further, in the step a, the generated parameter files include a network parameter file and a terminal parameter file; the network parameter files comprise a frame structure parameter file, a network access control parameter file, a telephone number file and a terminal version parameter file; the terminal version parameter file records the time stamp of each terminal parameter file of the network member; the terminal parameter file comprises service port parameters, pvc port parameters, telephone port parameters and terminal parameters; the summary timestamp file is used for storing a digital summary and a timestamp of each parameter file, wherein the digital summary is obtained by calculating a digital signature of the parameter file.
Further, in step B, the specific way of updating the parameter file and the summary timestamp file according to the comparison result is as follows:
if the comparison results are the same, file updating is not performed, if the comparison results are different, the digital abstract of the new parameter file and the current timestamp are used for modifying the abstract timestamp file, and the parameter file is updated;
in addition, if the terminal parameter file is updated, the corresponding terminal parameter file timestamp in the terminal version parameter file will also be updated.
Further, the specific mode of step E is as follows: if the time stamp comparison result in the step D is the same, the terminal parameter file of the TDMA remote station is not updated; if the terminal parameters are different, the main TDMA terminal sends a parameter application to the management system, and the management system sends the latest terminal parameter file of the corresponding terminal to the TDMA remote station.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention compares whether the parameters are changed or not, does not need to compare a plurality of parameter files item by item, only needs to calculate the data abstract of the parameter files, and obviously reduces the realization difficulty.
2. When the invention carries out parameter management, whether the parameter file is sent to be changed is required to be judged, the problem of redundant transmission of the parameter file in two methods of parameter management which only depend on time stamps and parameter management which compares the content of the parameter file item by item is avoided, the time required by the parameter management is reduced, and the networking speed and the network parameter management efficiency can be remarkably improved under the condition of larger network scale.
3. In satellite communication environment, file transmission on a satellite channel is needed for parameter management, and the invention avoids redundant transmission of the parameter file, avoids occupation of satellite resources by redundant file transmission, and further effectively reduces waste of satellite resources.
Drawings
FIG. 1 is a flow chart of parameter management based on a data digest and a timestamp in an embodiment of the invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
A TDMA networking parameter management method based on data abstract and time stamp comprises the following steps:
A. And generating a parameter file and a summary time stamp file of various parameters according to the TDMA network planning parameters.
B. and comparing the abstract information of the new parameter file with the abstract information of the corresponding parameter file in the abstract timestamp file, and updating the file according to the comparison result.
C. And pushing the updated parameter file to the main TDMA terminal according to the parameter file updating condition, wherein the updated parameter file comprises terminal version files for recording the time stamp of each terminal parameter file.
D. After the TDMA remote station terminal is accessed to the network, the terminal parameter file time stamp of the TDMA remote station terminal is sent to the master station, and the master station compares the terminal parameter file in the hand with the received time stamp of the remote station terminal parameter file.
E. and updating the parameter file of the TDMA remote station according to the comparison result.
In the step A, the generated parameter files comprise two types of network parameter files and terminal parameter files. The network parameter file includes: frame structure parameter file, network access control parameter file, telephone number file and terminal version parameter file. The terminal version parameter file records the time stamp of each terminal parameter file of the network member; the terminal parameter file includes: service port parameters, pvc port parameters, telephony port parameters and terminal parameters. The data abstract of each type of parameter file is calculated by adopting a digital signature algorithm, and then a time stamp is generated at the current time. And storing the digital abstract and the time stamp obtained by calculating each parameter file into an abstract time stamp file.
In the step B, corresponding new parameter files are generated each time new parameter information is received, the method calculates the data abstract of the new parameter files, compares the data abstract with the data abstract of the corresponding parameter files in the abstract timestamp files, and does not need to update the files if the data abstract of the new parameter files is the same as the data abstract of the corresponding parameter files; if the current data abstract and the timestamp of the corresponding parameter file are different, the abstract timestamp file is modified, various parameter files are updated, and if the terminal parameter file is updated, the corresponding terminal parameter file timestamp in the terminal version parameter file is also updated.
In step C, if the updated parameter file exists, the method sends the updated parameter file to the main TDMA terminal after the main TDMA terminal is accessed to the network.
And D, after the TDMA remote station is accessed to the network, the time stamp of the terminal parameter file of the TDMA remote station is sent to the main TDMA terminal, and after the main TDMA terminal receives the time stamp of the terminal parameter file of the remote station, the main TDMA terminal compares the time stamp with the time stamp of the corresponding terminal parameter file in the terminal version parameter file stored by the main TDMA terminal.
In step E, if the time stamp comparison result in step D is the same, the terminal parameter file of the TDMA remote station does not need to be updated; if the terminal parameters are different, the main TDMA terminal sends a parameter application to the management system, and the management system sends the latest terminal parameter file of the corresponding terminal to the TDMA remote station.
The method uses the data abstract and the time stamp to identify whether the related parameters of the TDMA networking change, thereby realizing parameter management, reducing the time required by parameter management, improving the networking and parameter management efficiency, simultaneously avoiding the occupation of redundant file transmission on satellite resources, effectively reducing the waste of satellite resources and realizing more efficient management on the parameters.
The following is a more specific example:
as shown in fig. 1, a TDMA networking parameter management method based on a data summary and a time stamp, the method comprises the following steps:
A. And generating a parameter file and a summary time stamp file of various parameters according to the TDMA network planning parameters.
In the step A, the generated parameter files comprise two types of network parameter files and terminal parameter files. The network parameter file includes: frame structure parameter file, network access control parameter file, telephone number file and terminal version parameter file. The terminal version parameter file records the time stamp of each terminal parameter file of the network member; the terminal parameter file includes: service port parameters, pvc port parameters, telephony port parameters and terminal parameters. The data abstract of each type of parameter file is calculated by adopting a digital signature algorithm (such as md5 algorithm), and then a time stamp is generated at the current time. And storing the digital abstract and the time stamp obtained by calculating each parameter file into an abstract time stamp file.
B. and comparing the abstract information of the new parameter file with the abstract information of the corresponding parameter file in the abstract timestamp file, and updating the file according to the comparison result.
In the step B, corresponding new parameter files are generated each time new parameter information is received, the method calculates the data abstract of the new parameter files, compares the data abstract with the data abstract of the corresponding parameter files in the abstract timestamp files, and does not need to update the files if the data abstract of the new parameter files is the same as the data abstract of the corresponding parameter files; if the current data abstract and the timestamp of the corresponding parameter file are different, the abstract timestamp file is modified, various parameter files are updated, and if the terminal parameter file is updated, the corresponding terminal parameter file timestamp in the terminal version parameter file is also updated.
C. And pushing the updated parameter file to the main TDMA terminal according to the parameter file updating condition, wherein the updated parameter file comprises terminal version files for recording the time stamp of each terminal parameter file.
In step C, if the updated parameter file exists, the method sends the updated parameter file to the main TDMA terminal after the main TDMA terminal is accessed to the network.
D. After the TDMA remote station terminal is accessed to the network, the terminal parameter file time stamp of the TDMA remote station terminal is sent to the master station, and the master station compares the terminal parameter file in the hand with the received time stamp of the remote station terminal parameter file.
And D, after the TDMA remote station is accessed to the network, the time stamp of the terminal parameter file of the TDMA remote station is sent to the main TDMA terminal, and after the main TDMA terminal receives the time stamp of the terminal parameter file of the remote station, the main TDMA terminal compares the time stamp with the time stamp of the corresponding terminal parameter file in the terminal version parameter file stored by the main TDMA terminal.
E. and updating the parameter file of the TDMA remote station according to the comparison result.
In step E, if the time stamp comparison result in step D is the same, the terminal parameter file of the TDMA remote station does not need to be updated; if the terminal parameters are different, the main TDMA terminal sends a parameter application to the management system, and the management system sends the latest terminal parameter file of the corresponding terminal to the TDMA remote station.
In a word, the invention aims at the characteristics of a TDMA communication system, and generates parameter files of various parameters and summary time stamp files according to the planning parameters of a TDMA network by analyzing the parameter characteristics of a TDMA terminal; comparing the abstract information of the new parameter file with the abstract information of the corresponding parameter file in the abstract timestamp file, and updating the file; pushing the updated parameter file to the main TDMA terminal according to the parameter file updating condition, wherein the updated parameter file comprises terminal version files for recording the time stamp of each terminal parameter file; after a TDMA remote station is accessed to the network, each terminal parameter file time stamp of the remote station terminal is sent to a main TDMA terminal, and the corresponding time stamp recorded by a terminal version file in the main TDMA terminal is compared; and updating the parameter file of the TDMA remote station according to the comparison result, and realizing the management of the parameters in more optimized time and less resource occupation. The method has the characteristics of less time consumption, automatic parameter management, small occupation of guard and communication resources and the like, and is particularly suitable for the management of the parameters of the TDMA communication system in a multi-site scene.
Finally, it should be noted that: while the invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that the foregoing embodiments may be modified or other features may be substituted for those illustrated and described, and any modifications, equivalents, improvements and changes will fall within the spirit and principles of the invention.
Claims (4)
1. The TDMA networking parameter management method based on the data abstract and the time stamp is characterized by comprising the following steps of:
A. generating a parameter file and a summary time stamp file of various parameters according to the TDMA network planning parameters;
B. Generating a corresponding new parameter file after receiving the new parameter information each time, comparing the digital abstract of the new parameter file with the digital abstract of the corresponding parameter file in the abstract timestamp file, and updating the parameter file and the abstract timestamp file according to the comparison result;
C. pushing the updated parameter file to the main TDMA terminal according to the parameter file updating condition, wherein the updated parameter file comprises terminal version files for recording the time stamp of each terminal parameter file; after the main TDMA terminal is accessed to the network, the updated parameter file is sent to the main TDMA terminal;
D. After the TDMA remote station terminal is accessed to the network, the self terminal parameter file time stamp is sent to the main TDMA terminal, and the main TDMA terminal compares the self stored terminal parameter file with the received time stamp of the remote station terminal parameter file;
E. and updating the parameter file of the TDMA remote station according to the comparison result.
2. The TDMA networking parameter management method according to claim 1 wherein in step a, the generated parameter files comprise network parameter files and terminal parameter files; the network parameter files comprise a frame structure parameter file, a network access control parameter file, a telephone number file and a terminal version parameter file; the terminal version parameter file records the time stamp of each terminal parameter file of the network member; the terminal parameter file comprises service port parameters, pvc port parameters, telephone port parameters and terminal parameters; the summary timestamp file is used for storing a digital summary and a timestamp of each parameter file, wherein the digital summary is obtained by calculating a digital signature of the parameter file.
3. The TDMA networking parameter management method according to claim 1, wherein in step B, the specific way of updating the parameter file and the summary timestamp file according to the comparison result is:
if the comparison results are the same, file updating is not performed, if the comparison results are different, the digital abstract of the new parameter file and the current timestamp are used for modifying the abstract timestamp file, and the parameter file is updated;
in addition, if the terminal parameter file is updated, the corresponding terminal parameter file timestamp in the terminal version parameter file will also be updated.
4. The TDMA networking parameter management method according to claim 1, wherein step E comprises the following specific steps: if the time stamp comparison result in the step D is the same, the terminal parameter file of the TDMA remote station is not updated; if the terminal parameters are different, the main TDMA terminal sends a parameter application to the management system, and the management system sends the latest terminal parameter file of the corresponding terminal to the TDMA remote station.
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Citations (5)
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| US5913164A (en) * | 1995-11-30 | 1999-06-15 | Amsc Subsidiary Corporation | Conversion system used in billing system for mobile satellite system |
| CN107483140A (en) * | 2016-06-07 | 2017-12-15 | 航天恒星科技有限公司 | Network-building method based on TDMA |
| CN112953618A (en) * | 2021-01-29 | 2021-06-11 | 西安空间无线电技术研究所 | TDMA formation satellite system based on inter-satellite adaptive distance change data transmission |
| CN114268996A (en) * | 2021-12-06 | 2022-04-01 | 成都航天通信设备有限责任公司 | Frequency hopping networking method based on TDMA |
| CN114598376A (en) * | 2022-02-14 | 2022-06-07 | 南京控维通信科技有限公司 | Fusion system for satellite network management and satellite measurement and control, application method thereof and deployment method thereof |
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- 2022-07-25 CN CN202210878002.5A patent/CN115276777B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5913164A (en) * | 1995-11-30 | 1999-06-15 | Amsc Subsidiary Corporation | Conversion system used in billing system for mobile satellite system |
| CN107483140A (en) * | 2016-06-07 | 2017-12-15 | 航天恒星科技有限公司 | Network-building method based on TDMA |
| CN112953618A (en) * | 2021-01-29 | 2021-06-11 | 西安空间无线电技术研究所 | TDMA formation satellite system based on inter-satellite adaptive distance change data transmission |
| CN114268996A (en) * | 2021-12-06 | 2022-04-01 | 成都航天通信设备有限责任公司 | Frequency hopping networking method based on TDMA |
| CN114598376A (en) * | 2022-02-14 | 2022-06-07 | 南京控维通信科技有限公司 | Fusion system for satellite network management and satellite measurement and control, application method thereof and deployment method thereof |
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