CN108810185B - Distribution and addressing coding method for data transmission under digital medium wave channel - Google Patents
Distribution and addressing coding method for data transmission under digital medium wave channel Download PDFInfo
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- CN108810185B CN108810185B CN201810555129.7A CN201810555129A CN108810185B CN 108810185 B CN108810185 B CN 108810185B CN 201810555129 A CN201810555129 A CN 201810555129A CN 108810185 B CN108810185 B CN 108810185B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/30—Types of network names
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/37—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
Abstract
The invention relates to a distribution and addressing coding method for data transmission under a digital medium wave channel, which is based on an MOT protocol of a DRM standard, wherein n is more than or equal to 3, the data addressing code comprises a transmission identifier and an address identifier, the transmission identifier is the first 16 bits, the address identifier is other bit bits, the transmission identifier is coded in the transmission identifier data field corresponding to the names of different pictures and video files, XLM files and JSON files, the address identifier is coded in the terminal user data field corresponding to different scenes, when coded data is sent to receivers associated with different scenes from the same transmitting terminal, firstly, the scene is judged to have permission to receive the data addressing code according to the address identifier, and after the scene can be received, the file name of the data code is obtained according to the transmission identifier and stored; the invention realizes the function of respectively sending different files or data to different scenes, can fully utilize the existing medium-wave frequency point resources and improves the pertinence and the effectiveness of data transmission.
Description
Technical Field
The invention relates to the technical field of digital radio broadcasting and information processing, in particular to a distribution and addressing coding method for data transmission under a digital medium wave channel.
Background
DRM, the English full name of Digital Radio monitor, can be translated into Digital AM broadcasting, which refers to a novel Digital broadcasting technology for transmitting broadcast contents by using an AM broadcasting frequency band with the frequency lower than 30 MHZ. The transmission process related parameters may be selected to accommodate changes in propagation conditions, with different transmission modes.
The existing DRM digital broadcasting technology is still in a civil audio broadcasting stage, most of receiving devices are civil handheld receivers instead of commercial receiving terminals, the scene is single, and the related distribution and addressing technologies are not involved.
Disclosure of Invention
The invention aims to provide a distributing and addressing coding method for data transmission under a digital medium wave channel, which is based on an ETSI EN standard MOT protocol framework and solves the related technical problems that the data transmission lacking in the DRM technology does not relate to distributing and addressing according to the existing MOT transmission protocol.
The invention is realized by the following technical scheme:
a distribution and addressing coding method for data transmission under a digital medium wave channel is characterized in that the expression of the coding method is as follows: data addressing code = transmission identification + address identification, the length of the data addressing code is n × 8 binary bit, n is more than or equal to 3, wherein the transmission identification is the first 16 bit, the transmission identification compiles corresponding code text in a transmission identification data domain and assigns the code text to file names in corresponding different formats, the address identification is other bit, and the address identification compiles corresponding code text in a terminal user address data domain and assigns the code text to corresponding different scenes;
the distribution and addressing coding method comprises the following steps: writing the data addressing code by using a coding tool; the data addressing code is sent to receiving devices associated under different scenes through the same transmitting terminal; receiving the data addressing code by the receiving device under different scenes, judging whether the scene has the authority to receive the data addressing code by judging the address identifier, and obtaining the name and the format of the file and smoothly storing the name and the format of the file by judging the transmission identifier after confirming that the data addressing code is received;
the above method for distributing and addressing data transmission in a digital medium wave channel, wherein the coding tool codes based on MOT (MOT) protocol under DRM standard;
the above method for distributing, addressing and encoding data transmission in a digital medium wave channel, wherein the naming rule of the files in different formats corresponding to the transmission identification data field is as follows:
a.0-6000 are used to name pictures and videos (the corresponding binary code ranges are 0000000000000000-;
b.7000-8000 is used to name XML document (corresponding binary code range: 0001101101011000-;
c.9000-10000 is used for naming JSON files (the corresponding binary code range is 0010001100101000-;
the above method for distributing, addressing and encoding data transmission in a digital medium-wave channel, wherein when n =3, the rule of correspondence between the end-user address data field and the scene is:
a. the bus station comprises and is not limited to a city bus station, additionally covers public transport station scenes such as trains, automobiles, light rails, subways, airports and the like, and the corresponding binary code range is as follows: 00000000;
b. the mobile vehicle-mounted system covers all mobile vehicle-mounted scenes, and the corresponding binary code range is as follows: 00000001;
c. the building covers all commercial and residential building scenes, and the corresponding binary code is: 00000010;
d. the river, sea and lake ship comprises all scenes of river, sea and lake ships, and the corresponding binary codes are as follows: 00000011;
e. the tourist attraction comprises all tourist attraction scenes, and the corresponding binary code is as follows: 00000100;
f. the hospital, including all medical institution scenes and epidemic areas and disaster area scenes that may appear all over the country, corresponds binary code and is: 00000101;
g. the community comprises national urban and rural community scenes, and the corresponding binary code is as follows: 00000110, respectively;
h. all scenes (including all the scenes a-g above), the corresponding binary code ranges are: 00000111;
and when n is greater than 3, the expanded binary bit is used as the other newly added scenes.
The invention has the following outstanding beneficial effects:
the invention relates to a distributing and addressing coding method for data transmission under a digital medium wave channel, which is based on the MOT protocol of DRM standard, and uses the conversation bit of a data group head to code a data field of n by 8, wherein n must be not less than 3, the data coding comprises a transmission identifier and an address identifier, wherein the transmission identifier occupies the first 16 bits, the address identifier occupies other bits, the transmission identifier codes in the transmission identifier data field corresponding to the names of different files, including pictures, video files, XLM files and JSON files, different file names correspond to different binary ranges, the address identifier codes in the terminal user data field corresponding to different scenes, different scenes correspond to different binary codes, when the data coded by the rules is sent to receiving devices associated with different scenes from the same transmitting terminal, firstly, judging whether the scene has the authority to receive the data codes according to the address identifiers, and acquiring the file names of the data codes according to the transmission identifiers and smoothly storing the file names after judging that the scene can receive the data codes; the coding method is simple and feasible in the transmission of the multimedia file, and realizes that in the process of transmitting the data information, a receiving device selectively receives the data information, only a scene corresponding to the address identifier can receive the corresponding data information, and receiving devices of other scenes can selectively ignore the data information; the invention changes the limitation that the data can only be transmitted to the receiving device under each scene without distinction in the transmission process of the data (broadcast data information) under the prior digital medium wave channel, and the distribution and addressing coding method defined by the invention realizes the function of respectively sending different files or data to different scenes, can fully utilize the prior medium wave frequency point resources and improve the pertinence and the effectiveness of data transmission.
Detailed Description
The following embodiments of the present invention will be described in further detail with reference to specific examples in order to further understand the concept, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought by the present invention, and it should be noted that the description of the embodiments is illustrative and not intended to limit the present invention specifically.
A distribution and addressing coding method for data transmission under a digital medium wave channel is characterized in that the expression of the coding method is as follows: data addressing code = transmission identification + address identification, the length of the data addressing code is n × 8 binary bit, n is more than or equal to 3, wherein the transmission identification is the first 16 bit, the transmission identification compiles corresponding code text in a transmission identification data domain and assigns the code text to file names in corresponding different formats, the address identification is other bit, and the address identification compiles corresponding code text in a terminal user address data domain and assigns the code text to corresponding different scenes;
the distribution and addressing coding method comprises the following steps: writing the data addressing code by using a coding tool; the data addressing code is sent to receiving devices associated under different scenes through the same transmitting terminal; receiving the data addressing code by the receiving device under different scenes, judging whether the scene has the authority to receive the data addressing code by judging the address identifier, and obtaining the name and the format of the file and smoothly storing the name and the format of the file by judging the transmission identifier after confirming that the data addressing code is received;
the above method for distributing and addressing data transmission in a digital medium wave channel, wherein the coding tool codes based on MOT (MOT) protocol under DRM standard;
the above method for distributing, addressing and encoding data transmission in a digital medium wave channel, wherein the naming rule of the files in different formats corresponding to the transmission identification data field is as follows:
a.0-6000 are used to name pictures and videos (the corresponding binary code ranges are 0000000000000000-;
b.7000-8000 is used to name XML document (corresponding binary code range: 0001101101011000-;
c.9000-10000 is used for naming JSON files (the corresponding binary code range is 0010001100101000-;
the above method for distributing, addressing and encoding data transmission in a digital medium-wave channel, wherein when n =3, the rule of correspondence between the end-user address data field and the scene is:
i. the bus station comprises and is not limited to a city bus station, additionally covers public transport station scenes such as trains, automobiles, light rails, subways, airports and the like, and the corresponding binary code range is as follows: 00000000;
j. the mobile vehicle-mounted system covers all mobile vehicle-mounted scenes, and the corresponding binary code range is as follows: 00000001;
k. the building covers all commercial and residential building scenes, and the corresponding binary code is: 00000010;
the river, sea and lake ship comprises all scenes of river, sea and lake ships, and the corresponding binary codes are as follows: 00000011;
m. tourist attraction, including all tourist attraction scenes, the corresponding binary code is: 00000100;
n, hospitals, including all medical institution scenes and epidemic areas and disaster area scenes which may appear in all parts of the country, and the corresponding binary codes are as follows: 00000101;
o. community, including national urban and rural community scenes, corresponding to binary code: 00000110, respectively;
p. all scenes (including all scenes a-g above), corresponding binary code ranges are: 00000111;
and when n is greater than 3, the expanded binary bit is used as the other newly added scenes.
Example 1
When n =3, the data field corresponding to the data code is 24 bits, if the name of a picture file needs to be transmitted to the scene of the bus stop, firstly, coding is carried out by using a coding tool according to a coding rule, for example, the data code is 000000000000001100000000, wherein the first 16 bits are transmission identifiers, the corresponding transmission identifier data field is the name of a picture, the last 8 bits are address identifiers, the corresponding end user address field is the scene of the bus stop, the coded data is transmitted to each scene through the same transmitting terminal, the relevant receiving machine under each scene firstly judges whether the address identifier of the last 8 bits corresponds to the binary code of the scene, after judgment, only the relevant receiving device under the scene of the bus stop receives the data code, the addressing process is completed, and then the name and the type of the corresponding data file are obtained by the receiving device under the scene of the bus stop according to the transmission identifier of the first 16 bits in the receiving process, thereby smoothly saving the picture file.
Example 2
When n =3, the data field corresponding to the data code is 24 bits, if the name of an XLM file needs to be transmitted to a scene, such as a tourist attraction, first, encoding is performed by using an encoding tool according to an encoding rule, such as the data code is 000110110111100000000110, wherein the first 16 bits are transmission identifiers, the corresponding transmission identifier data field is the name of the XLM file, the last 8 bits are address identifiers, the corresponding end user address field is a scene of the tourist attraction, the encoded data is transmitted to each scene through the same transmitting terminal, the receiver associated with each scene first determines whether the address identifier of the last 8 bits corresponds to the binary code of the scene, after determination, only the receiver associated with the scene of the tourist attraction receives the data code, the addressing process is completed, and then the receiver under the scene of the tourist attraction acquires the name and the type of the corresponding data file according to the transmission identifier of the first 16 bits in the receiving process, thereby smoothly storing the XLM file.
The invention has the following outstanding beneficial effects:
the invention relates to a distributing and addressing coding method for data transmission under a digital medium wave channel, which is based on the MOT protocol of DRM standard, and uses the conversation bit of a data group to code a data field of n by 8, wherein n must not be less than 3, the data coding comprises a transmission identifier and an address identifier, wherein the transmission identifier occupies the first 16 bits, the address identifier occupies other bits, the transmission identifier codes corresponding to the names of different files in the transmission identifier data field, the transmission identifier comprises a picture, a video file, an XLM file and a JSON file, different file names correspond to different binary ranges, the address identifier codes corresponding to different scenes in the terminal user data field, the different scenes correspond to different binary codes, when the data coded by the rules are sent to receiving devices associated with different scenes from the same transmitting terminal, firstly, judging whether the scene has the authority to receive the data codes according to the address identifier, and acquiring the file name of the data codes according to the transmission identifier and smoothly storing the file after judging that the scene can receive the data codes; the coding method is simple and feasible in multimedia file transmission, and realizes that a receiving device selectively receives digital amplitude modulation broadcasting in the process of transmitting information, only a scene corresponding to an address identifier can receive corresponding broadcasting information, and receiving devices of other scenes can selectively ignore the broadcasting information; the invention changes the limitation that the data can only be transmitted to the receiving device under each scene without distinction in the transmission process of the data (broadcast data information) under the prior digital medium wave channel, and the distribution and addressing coding method defined by the invention realizes the function of respectively sending different files or data to different scenes, can fully utilize the prior medium wave frequency point resources and improve the pertinence and the effectiveness of data transmission.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A distribution and addressing coding method for data transmission under a digital medium wave channel is characterized in that the expression of the coding method is as follows: the data addressing code is a transmission identifier plus an address identifier, the length of the data addressing code is n × 8 binary bit positions, n is more than or equal to 3, wherein the transmission identifier is the first 16 bit positions, the transmission identifier compiles a corresponding code text in a transmission identifier data domain and assigns the code text to file names in corresponding different formats, the address identifier is other bit positions, and the address identifier compiles a corresponding code text in an end user address data domain and assigns the code text to be received by different scene receiving devices;
the distribution and addressing coding method comprises the following steps: writing the data addressing code by using a coding tool; the data addressing code is sent to receiving devices associated under different scenes through a transmitting terminal; receiving the data addressing code by the receiving device under different scenes, judging whether the scene has the authority to receive the data addressing code by judging the address identifier, and obtaining the name and the format of the file and smoothly storing the name and the format of the file by judging the transmission identifier after confirming that the data addressing code is received;
the naming rule of the files with different formats corresponding to the transmission identification data field is as follows:
a.0-6000 are used to name pictures and videos, and the corresponding binary code range is: 000000000000-;
7000-8000 are used to name the XML file, and the corresponding binary code range is: 0001101101011000-;
9000-10000 is used for naming JSON files, and the corresponding binary code range is as follows: 0010001100101000-0010011100010000.
2. The method according to claim 1, wherein the coding tool performs coding based on MOT protocol under DRM standard, and the MOT protocol is Multimedia Object Transfer protocol.
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| US20030227916A1 (en) * | 2002-06-06 | 2003-12-11 | Toni Paila | System and method for the multicast distribution of multimedia messaging service messages |
| CN102594474B (en) * | 2011-01-10 | 2016-05-11 | 国家广播电影电视总局广播科学研究院 | Realize the system and method for amplitude modulation medium-wave urgent broadcast |
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| CN101242292A (en) * | 2007-12-27 | 2008-08-13 | 华为技术有限公司 | Multicast method, system and device |
| CN101651505A (en) * | 2009-09-02 | 2010-02-17 | 北京悦龙数字广播传媒科技有限责任公司 | Push broadcasting method and system based on wireless digital broadcasting technology |
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