CN115396517A - Beidou communication data processing method and device, terminal equipment and storage medium - Google Patents
Beidou communication data processing method and device, terminal equipment and storage medium Download PDFInfo
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- CN115396517A CN115396517A CN202210982550.2A CN202210982550A CN115396517A CN 115396517 A CN115396517 A CN 115396517A CN 202210982550 A CN202210982550 A CN 202210982550A CN 115396517 A CN115396517 A CN 115396517A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
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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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
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Abstract
The invention discloses a Beidou communication data processing method, a Beidou communication data processing device, terminal equipment and a storage medium, wherein the method comprises the following steps: obtaining Beidou communication data to be compressed; according to a preset repeated data replacement table, replacing the repeated data in the Beidou communication to be compressed with corresponding repeated marks to generate data to be processed; the repeated data replacement table comprises repeated data objects and repeated marks corresponding to the repeated data objects, and the number of bytes occupied by the repeated marks is less than that of the repeated data objects corresponding to the repeated data objects; and performing data compression on the data to be processed to obtain compressed Beidou communication data. By the implementation of the Beidou communication data compression method, the compression efficiency of the Beidou communication data can be improved.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a Beidou communication data processing method and device, terminal equipment and a storage medium.
Background
The data communication starts from the late stage of the 50 s, and an electronic computer is combined with the communication technology, so that a new communication mode, namely 'data communication', is developed at present; the Beidou navigation test system is a first-generation satellite navigation positioning system independently developed and built in China, and is a third actual navigation positioning system which runs in the world after the American 'GPS' system and the Russian 'GLONASS' system. The Beidou satellite communication has the characteristics of large coverage area, no communication blind area, safety, reliability and the like, and also has a special short message communication function, so that a user can realize short message communication through a satellite without being influenced by terrain conditions and environmental climate. The function can be used for solving the short message communication in the rural areas, the pastoral areas, the remote mountain areas and the sea areas with rare population, the areas which can not be covered by the existing wired and wireless communication networks and the emergency communication of disaster accidents;
in order to improve the transmission efficiency of communication data, it is generally necessary to compress the communication data when transmitting the communication data, but some communication data have a large amount of repeated data, and a large amount of repeated data needs to be compressed when compressing the data, so that the compression efficiency of the data is low.
Disclosure of Invention
The embodiment of the invention provides a processing method and device of Beidou communication data, terminal equipment and a storage medium, which can improve the compression efficiency of the Beidou communication data.
An embodiment of the invention provides a processing method of Beidou communication data, which comprises the following steps: obtaining Beidou communication data to be compressed;
replacing the repeated data in the Beidou communication to be compressed with corresponding repeated marks according to a preset repeated data replacement table to generate data to be processed; the repeated data replacement table comprises repeated data objects and repeated marks corresponding to the repeated data objects, and the number of bytes occupied by the repeated marks is less than that of the repeated data objects corresponding to the repeated data objects;
and performing data compression on the data to be processed to obtain compressed Beidou communication data.
Further, before performing data compression on the data to be processed, the method further includes:
replacing invalid data in the data to be processed with corresponding invalid marks according to a preset invalid data matching table; the invalid data matching table comprises invalid data objects and invalid marks corresponding to the invalid data objects, and the number of bytes occupied by the invalid marks is smaller than that of the invalid data objects corresponding to the invalid marks.
Further, the step of replacing the repeated data in the Beidou communication to be compressed with the corresponding repeated marks according to a preset repeated data replacement table to generate the data to be processed includes:
comparing the Beidou communication data to be compressed with the repeated data objects stored in the repeated data replacement table, and determining the repeated data in the Beidou communication data to be compressed and the repeated marks corresponding to the repeated data;
and replacing the repeated data in the Beidou communication data to be compressed with the corresponding repeated marks to generate data to be processed.
Further, the replacing, according to a preset invalid data matching table, the invalid data in the data to be processed with a corresponding invalid marker includes:
comparing the data to be processed with invalid data objects stored in the invalid data matching table, and determining invalid data in the data to be processed and invalid marks corresponding to the invalid data;
and replacing invalid data in the data to be processed with corresponding invalid marks.
Further, the Beidou communication data processing method further comprises the following steps: decompressing the compressed Beidou communication data to obtain first decompressed data;
comparing the second repeated mark in the decompressed data with a preset repeated data substitution table to determine a second repeated data object corresponding to the second repeated mark;
replacing the second repeated marks in the decompressed data with corresponding second repeated data objects to generate second decompressed data;
comparing a second invalid mark in the second decompressed data with a preset invalid data matching table to determine a second invalid data object corresponding to the second invalid mark;
and replacing the second invalid marks in the second decompressed data with corresponding second invalid data objects to generate original Beidou communication data.
On the basis of the embodiment of the method item, the invention correspondingly provides an embodiment of a device item;
an embodiment of the present invention provides a processing apparatus for Beidou communication data, including: the device comprises a data acquisition module, a repeated data replacement module and a data compression module;
the data acquisition module is used for acquiring Beidou communication data to be compressed;
the repeated data replacement module is used for replacing the repeated data in the Beidou communication to be compressed with the corresponding repeated marks according to a preset repeated data replacement table to generate data to be processed; the repeated data replacement table comprises repeated data objects and repeated marks corresponding to each repeated data object, and the number of bytes occupied by the repeated marks is smaller than that of the repeated data objects corresponding to the repeated data objects;
and the data compression module is used for carrying out data compression on the data to be processed to obtain compressed Beidou communication data.
Further, the processing apparatus of big dipper communication data still includes: an invalid data replacement module;
the invalid data replacing module is used for replacing invalid data in the data to be processed with corresponding invalid marks according to a preset invalid data matching table before the data to be processed is compressed; the invalid data matching table comprises invalid data objects and invalid marks corresponding to the invalid data objects, and the number of bytes occupied by the invalid marks is smaller than that occupied by the corresponding invalid data objects.
Further, the processing apparatus of big dipper communication data still includes: a data restoration module; the data recovery module is used for decompressing the compressed Beidou communication data to obtain first decompressed data;
comparing the second repeated mark in the decompressed data with a preset repeated data replacement table, and determining a second repeated data object corresponding to the second repeated mark;
replacing the second repeated marks in the decompressed data with corresponding second repeated data objects to generate second decompressed data;
comparing a second invalid mark in the second decompressed data with a preset invalid data matching table to determine a second invalid data object corresponding to the second invalid mark;
and replacing the second invalid marks in the second decompressed data with corresponding second invalid data objects to generate original Beidou communication data.
On the basis of the above method item embodiment, the invention is a terminal equipment item embodiment;
an embodiment of the present invention provides a terminal device, where the terminal device includes: the Beidou communication data processing device comprises a processor, a memory and a computer program which is stored in the memory and configured to be executed by the processor, wherein the processor executes the computer program to realize the Beidou communication data processing method of any one of the invention.
On the basis of the above method item embodiment, the present invention correspondingly provides a storage medium item embodiment;
an embodiment of the invention provides a storage medium, which comprises a stored computer program, wherein when the computer program runs, a device where the storage medium is located is controlled to execute the processing method of the Beidou communication data.
The embodiment of the invention has the following beneficial effects:
compared with the prior art, before data compression is carried out on Beidou communication data, the repeated data in the Beidou communication to be compressed are replaced by the corresponding repeated marks according to the preset repeated data replacement table, the repeated data with larger data volume are replaced by the repeated marks, the compression capacity of the whole communication data can be effectively reduced, and the compression processing effect and the compression efficiency are improved.
Drawings
Fig. 1 is a schematic flow chart of a processing method of Beidou communication data according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a processing device for Beidou communication data according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
As shown in fig. 1, an embodiment of the present invention provides a processing method of Beidou communication data, which at least includes the following steps:
step S101: and obtaining Beidou communication data to be compressed.
Step S102: according to a preset repeated data replacement table, replacing the repeated data in the Beidou communication to be compressed with corresponding repeated marks to generate data to be processed; the repeated data replacement table comprises repeated data objects and repeated marks corresponding to the repeated data objects, and the number of bytes occupied by the repeated marks is smaller than that of the repeated data objects corresponding to the repeated data objects.
Step S103: and performing data compression on the data to be processed to obtain compressed Beidou communication data.
And S101, specifically, communication data generated in the Beidou communication process is acquired to obtain the Beidou communication data to be compressed.
As for step S102, in a preferred embodiment, the replacing, according to a preset repeated data replacement table, the repeated data in the beidou communication to be compressed with the corresponding repeated marker to generate the data to be processed includes: comparing the Beidou communication data to be compressed with the repeated data objects stored in the repeated data replacement table, and determining the repeated data in the Beidou communication data to be compressed and the repeated marks corresponding to the repeated data; and replacing the repeated data in the Beidou communication data to be compressed with the corresponding repeated marks to generate data to be processed.
Illustratively, assume a string of communication data is (a, B, C, D, E, F); the repeated data objects and the repeated marks stored in the preset repeated data replacement table are as follows: a repeated data object D, the corresponding repeated mark of which is 1; a duplicate data object E, the corresponding duplicate flag of which is 2; then, at this time, the communication data is replaced, and the data to be processed after replacement is obtained as follows: (A, B, C, 1, 2, F); it should be noted that when the duplicate flag is set in the present invention, the number of bytes occupied by the duplicate flag is smaller than the number of bytes occupied by the corresponding duplicate data object, so that after the duplicate flag is replaced, only the corresponding duplicate flag exists at the corresponding region position, thereby reducing the overall storage capacity of the whole communication data. Thereby improving the efficiency of subsequent compression.
For step S103, the existing compression algorithm may be adopted to perform data compression on the data to be processed including the repeated mark, so as to obtain compressed Beidou communication data.
In a preferred embodiment, before performing data compression on the data to be processed, the method further includes:
replacing invalid data in the data to be processed with corresponding invalid marks according to a preset invalid data matching table; the invalid data matching table comprises invalid data objects and invalid marks corresponding to the invalid data objects, and the number of bytes occupied by the invalid marks is smaller than that of the invalid data objects corresponding to the invalid marks.
Preferably, the replacing, according to a preset invalid data matching table, the invalid data in the data to be processed with a corresponding invalid marker includes: comparing the data to be processed with invalid data objects stored in the invalid data matching table, and determining invalid data in the data to be processed and invalid marks corresponding to the invalid data; and replacing invalid data in the data to be processed with corresponding invalid marks.
In this embodiment, in addition to replacing the duplicate data, invalid data is also replaced, and in the present invention, the invalid data generally includes a MAC address inside the communication data; the replacement method is similar to that of repeated data replacement, and is not described herein. Of course, in other embodiments of the present invention, invalid data obtained by matching may be directly deleted.
In a preferred embodiment, the processing method of the Beidou communication data further includes: decompressing the compressed Beidou communication data to obtain first decompressed data;
comparing the second repeated mark in the decompressed data with a preset repeated data replacement table, and determining a second repeated data object corresponding to the second repeated mark;
replacing the second repeated marks in the decompressed data with corresponding second repeated data objects to generate second decompressed data;
comparing a second invalid mark in the second decompressed data with a preset invalid data matching table to determine a second invalid data object corresponding to the second invalid mark;
and replacing the second invalid marks in the second decompressed data with corresponding second invalid data objects to generate original Beidou communication data.
The embodiment can be used for restoring the original Beidou communication data.
On the basis of the above method item embodiments, the present invention correspondingly provides apparatus item embodiments;
as shown in fig. 2, an embodiment of the present invention provides a processing apparatus for Beidou communication data, including: the device comprises a data acquisition module, a repeated data replacement module and a data compression module;
the data acquisition module is used for acquiring Beidou communication data to be compressed;
the repeated data replacement module is used for replacing the repeated data in the Beidou communication to be compressed with the corresponding repeated marks according to a preset repeated data replacement table to generate data to be processed; the repeated data replacement table comprises repeated data objects and repeated marks corresponding to each repeated data object, and the number of bytes occupied by the repeated marks is smaller than that of the repeated data objects corresponding to the repeated data objects;
and the data compression module is used for carrying out data compression on the data to be processed to obtain compressed Beidou communication data.
In a preferred embodiment, the processing device for Beidou communication data further includes: an invalid data replacement module;
the invalid data replacing module is used for replacing invalid data in the data to be processed with corresponding invalid marks according to a preset invalid data matching table before data compression is carried out on the data to be processed; the invalid data matching table comprises invalid data objects and invalid marks corresponding to the invalid data objects, and the number of bytes occupied by the invalid marks is smaller than that occupied by the corresponding invalid data objects.
In a preferred embodiment, the processing device for Beidou communication data further includes: a data recovery module; the data recovery module is used for decompressing the compressed Beidou communication data to obtain first decompressed data;
comparing the second repeated mark in the decompressed data with a preset repeated data replacement table, and determining a second repeated data object corresponding to the second repeated mark;
replacing the second repeated marks in the decompressed data with corresponding second repeated data objects to generate second decompressed data;
comparing a second invalid mark in the second decompressed data with a preset invalid data matching table to determine a second invalid data object corresponding to the second invalid mark;
and replacing the second invalid marks in the second decompressed data with corresponding second invalid data objects to generate original Beidou communication data.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
It can be clearly understood by those skilled in the art that, for convenience and brevity, the specific working process of the apparatus described above may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
On the basis of the above method item embodiment, the invention is a terminal equipment item embodiment;
an embodiment of the present invention provides a terminal device, where the terminal device includes: the Beidou communication data processing device comprises a processor, a memory and a computer program which is stored in the memory and configured to be executed by the processor, wherein the processor executes the computer program to realize the Beidou communication data processing method of any one of the invention.
The terminal device may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The terminal device may include, but is not limited to, a processor, a memory.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is the control center of the terminal device and connects the various parts of the whole terminal device using various interfaces and lines.
The memory may be used to store the computer program, and the processor may implement various functions of the terminal device by running or executing the computer program stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function, and the like; the storage data area may store data created according to the use of the mobile phone, and the like. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
On the basis of the above embodiment of the method item, the present invention correspondingly provides an embodiment of a storage medium item;
an embodiment of the present invention provides a storage medium, where the storage medium includes a stored computer program, and when the computer program runs, a device where the storage medium is located is controlled to execute any one of the processing methods for Beidou communication data according to the present invention.
The storage medium is a computer-readable storage medium, in which the computer program is stored, which computer program, when being executed by a processor, is adapted to carry out the steps of the above-mentioned respective method embodiments. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A processing method of Beidou communication data is characterized by comprising the following steps:
obtaining Beidou communication data to be compressed;
replacing the repeated data in the Beidou communication to be compressed with corresponding repeated marks according to a preset repeated data replacement table to generate data to be processed; the repeated data replacement table comprises repeated data objects and repeated marks corresponding to the repeated data objects, and the number of bytes occupied by the repeated marks is less than that of the repeated data objects corresponding to the repeated data objects;
and performing data compression on the data to be processed to obtain compressed Beidou communication data.
2. The method for processing Beidou communication data according to claim 1, further comprising before data compression of the data to be processed:
replacing invalid data in the data to be processed with corresponding invalid marks according to a preset invalid data matching table; the invalid data matching table comprises invalid data objects and invalid marks corresponding to the invalid data objects, and the number of bytes occupied by the invalid marks is smaller than that of the invalid data objects corresponding to the invalid marks.
3. The method for processing Beidou communication data according to claim 2, wherein the step of replacing the repeated data in the Beidou communication to be compressed with the corresponding repeated tags according to a preset repeated data replacement table to generate the data to be processed comprises the steps of:
comparing the Beidou communication data to be compressed with the repeated data objects stored in the repeated data replacement table, and determining the repeated data in the Beidou communication data to be compressed and the repeated marks corresponding to the repeated data;
and replacing the repeated data in the Beidou communication data to be compressed with the corresponding repeated marks to generate data to be processed.
4. The Beidou communication data processing method according to claim 3, wherein the replacing invalid data in the data to be processed with corresponding invalid marks according to a preset invalid data matching table comprises:
comparing the data to be processed with invalid data objects stored in the invalid data matching table, and determining invalid data in the data to be processed and invalid marks corresponding to the invalid data;
and replacing invalid data in the data to be processed with corresponding invalid marks.
5. The Beidou communication data processing method according to claim 4, further comprising:
decompressing the compressed Beidou communication data to obtain first decompressed data;
comparing the second repeated mark in the decompressed data with a preset repeated data substitution table to determine a second repeated data object corresponding to the second repeated mark;
replacing the second repeated marks in the decompressed data with corresponding second repeated data objects to generate second decompressed data;
comparing a second invalid mark in the second decompressed data with a preset invalid data matching table to determine a second invalid data object corresponding to the second invalid mark;
and replacing the second invalid marks in the second decompressed data with corresponding second invalid data objects to generate original Beidou communication data.
6. The utility model provides a processing apparatus of big dipper communication data which characterized in that includes: the device comprises a data acquisition module, a repeated data replacement module and a data compression module;
the data acquisition module is used for acquiring Beidou communication data to be compressed;
the repeated data replacement module is used for replacing the repeated data in the Beidou communication to be compressed with the corresponding repeated marks according to a preset repeated data replacement table to generate data to be processed; the repeated data replacement table comprises repeated data objects and repeated marks corresponding to each repeated data object, and the number of bytes occupied by the repeated marks is smaller than that of the repeated data objects corresponding to the repeated data objects;
and the data compression module is used for carrying out data compression on the data to be processed to obtain compressed Beidou communication data.
7. The Beidou communication data processing apparatus of claim 6, further comprising: an invalid data replacement module;
the invalid data replacing module is used for replacing invalid data in the data to be processed with corresponding invalid marks according to a preset invalid data matching table before the data to be processed is compressed; the invalid data matching table comprises invalid data objects and invalid marks corresponding to the invalid data objects, and the number of bytes occupied by the invalid marks is smaller than that occupied by the corresponding invalid data objects.
8. The Beidou communication data processing apparatus of claim 7, further comprising: a data restoration module;
the data recovery module is used for decompressing the compressed Beidou communication data to obtain first decompressed data;
comparing the second repeated mark in the decompressed data with a preset repeated data substitution table to determine a second repeated data object corresponding to the second repeated mark;
replacing the second repeated marks in the decompressed data with corresponding second repeated data objects to generate second decompressed data;
comparing a second invalid mark in the second decompressed data with a preset invalid data matching table, and determining a second invalid data object corresponding to the second invalid mark;
and replacing the second invalid marks in the second decompressed data with corresponding second invalid data objects to generate original Beidou communication data.
9. A terminal device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the method for processing Beidou communication data according to any one of claims 1 to 5 when executing the computer program.
10. A storage medium, characterized in that the storage medium comprises a stored computer program, wherein when the computer program runs, the storage medium is controlled to execute the processing method of the Beidou communication data according to any one of claims 1 to 5.
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