CN105679066A - Device and system for transmitting road condition information through CDR - Google Patents
Device and system for transmitting road condition information through CDR Download PDFInfo
- Publication number
- CN105679066A CN105679066A CN201610243367.5A CN201610243367A CN105679066A CN 105679066 A CN105679066 A CN 105679066A CN 201610243367 A CN201610243367 A CN 201610243367A CN 105679066 A CN105679066 A CN 105679066A
- Authority
- CN
- China
- Prior art keywords
- traffic information
- module
- data
- cdr
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
Abstract
The invention relates to a system for transmitting road condition information through China digital radio CDR. The system comprises a system front end and a system terminal. The system front end performs a series of processing on the road condition information, and then the road condition information is stimulated by the CDR and is emitted to the system terminal through a broadcast channel. The system terminal receives the emitted CDR signal, performs proper processing on the CDR signal, outputs the CDR signal to a map application module in the terminal, and display the CDR signal to users through modules such as a display screen. According to the invention, the CDR broadcast system is utilized, and the cooperation of the front end and the terminal is utilized, so that the real-time road condition information is transmitted with a low cost and high efficiency, and the users are enabled to know the traffic condition anytime and anywhere.
Description
Technical field
The present invention relates to information processing, particularly relate to a kind of device being carried out real-time digital traffic information transmission by Chinese Digital audio broadcasting (ChinaDigitalRadio, CDR) and system.
Background technology
In increasing big city, road traffic congestion has had changed into a worldwide problem being badly in need of solving. As current solution, use mobile phone or car-mounted terminal carry out digital map navigation and transmit real-time road condition information, improve transport information transmission undoubtedly, this makes people it will be seen that traffic information at any time, avoid congested section, select different unobstructed roads, alleviate the situation of traffic congestion. No matter above-mentioned solution, be experience angle or social efficiency, energy-conserving and environment-protective angle from user, be all highly beneficial.
But, transmit same information by the mode of mobile communication to large number of user, be undoubtedly poor efficiency. It addition, this mode exists bigger pressure for server system, and the system reliability required is poor, the problem of such as base station, problem of covering etc. Further, communication flows brings extra use cost to user.
For such application demand, it is maximally effective for taking the mode of broadcast to transmit numeral traffic information undoubtedly, both can as the effective solution of low cost, it is also possible to a kind of as mobile communication solution substitutes and backup.
The present invention utilizes CDR broadcast system just, by the cooperation of front end and terminal, transmits real-time road condition information efficiently, allows users to understand whenever and wherever possible traffic conditions.
Summary of the invention
It is an object of the invention to provide a kind of device and system of being carried out numeral traffic information transmission by Chinese Digital audio broadcasting (ChinaDigitalRadio, CDR) that can overcome drawbacks described above.
In first aspect, the invention provides a kind of device being launched traffic information by Chinese Digital audio broadcasting CDR, including: traffic information optimizes module, for traffic information being optimized for broadcasting channel characteristic; Subscriber control information generation module, for generating subscriber control information according to user profile; Data encryption module, for being encrypted the traffic information after optimizing and described subscriber control information; Data-reusing module, for carrying out multiplexing to the traffic information after encryption and subscriber control information; CDR encourages transmitter module, for the data after launching multiplexing by broadcast channel to terminal use.
Preferably, described traffic information optimizes module and includes: data hierarchy module, and described traffic information is layered by user; Data check module, for verifying the traffic information after layering; Packet module, for verification after traffic information be grouped; Wherein, described optimization includes described layering, described verification and described packet.
Preferably, described traffic information optimizes module and also includes: data cache module, for the traffic information after packet is carried out data buffer storage; Datacycle sends processing module, processes for the data after buffer memory are circulated transmission; Wherein, described optimization also includes described data buffer storage and described cycles through process.
Preferably, this device also includes: traffic information management module, is used for generating and store described traffic information; Subscriber information management module, is used for generating and store described user profile.
In second aspect, the invention provides a kind of device being received traffic information by Chinese Digital audio broadcasting CDR, including: CDR terminal receiver module, for receiving broadcast message by broadcast channel, described broadcast message includes traffic information and subscriber control information; Data demultiplexing module, for described broadcast message is demultiplexed, obtains described traffic information and described subscriber control information; Data decryption module, for being decrypted described traffic information and subscriber control information; Traffic information processing module, for processing the traffic information after deciphering according to the subscriber control information after deciphering.
Preferably, described traffic information processing module includes: terminal data correction verification module, for the traffic information after deciphering is verified; Packet synthesis module, for carrying out packet synthesis to the traffic information after verification; Data resolution module, for resolving the traffic information after packet synthesis; Wherein, described process includes described verification, described packet synthesis and described parsing.
Preferably, this device also includes: map application module, and its storage has numerical map, is used for the traffic information after receiving described process, and it is loaded on described numerical map with the form of map element.
Preferably, this device also includes: display screen, for the numerical map being loaded with traffic information is shown to user.
In the third aspect, the invention provides a kind of system being transmitted traffic information by Chinese Digital audio broadcasting CDR, including the device in first aspect and second aspect.
The present invention utilizes CDR broadcast system just, by the cooperation of system front end and system terminal, transmits real-time road condition information efficiently, is that user can understand traffic conditions whenever and wherever possible.
Accompanying drawing explanation
Fig. 1 is the system block diagram being transmitted traffic information by CDR according to embodiments of the present invention;
Fig. 2 is the functional block diagram of the system front end of system in Fig. 1;
Fig. 3 is the functional block diagram of the system terminal of system in Fig. 1.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
Fig. 1 is the system block diagram being transmitted traffic information by CDR according to embodiments of the present invention.
As shown in Figure 1, the system by CDR transmission traffic information of the present invention includes system front end and system terminal two large divisions, wherein, after traffic information is carried out a series of process by system front end, encouraged by CDR and pass through broadcast channel transmission to system terminal, system terminal receives launches the CDR signal of coming, and exports in the map application module in terminal, is eventually displayed to user.
Fig. 2 is the functional block diagram of the system front end of system in Fig. 1.
As shown in Figure 2, described system front end can be that a kind of Chinese Digital audio broadcasting CDR that can pass through launches the device of traffic information, and it includes traffic information management module, subscriber information management module, traffic information optimization module, subscriber control information generation module, data encryption module, data-reusing module and CDR and encourages transmitter module.
Traffic information management module optimizes module with traffic information and is connected, and is used for generating and storing traffic information and be inputted traffic information optimization module. Traffic information management module can obtain real-time traffic data by wired or wireless network from Traffic Administration Bureau or other traffic information centers, in generating real-time traffic information after it is processed and being stored in self memorizer.
Subscriber information management module is connected with subscriber control information generation module, is used for generating and store user profile and by its incoming subscriber control information generation module. When terminal use is undertaken registering or changing configuration by network, user profile or its amendment information to system front end by network delivery, are then store in user management module or are updated wherein.
Subscriber control information generation module generates subscriber control information according to incoming user profile. Subscriber control information generation module is also connected to data encryption module, its incoming data encryption module of subscriber control information that can will generate.
Traffic information optimizes module and for broadcasting channel characteristic, the traffic information of input is optimized.
Traffic information optimizes module and may include that data hierarchy module, and it is connected to data check module, for described traffic information is layered; Data check module, it is connected to packet module, for the traffic information after layering is verified; Packet module, for verification after traffic information be grouped.
Traffic information optimizes module and can also include: data cache module, and it is connected to packet module, for the traffic information after packet is carried out data buffer storage; Datacycle sends processing module, and it is connected to datacycle sending module, processes for the data after buffer memory are circulated transmission.
Traffic information optimizes module and is also connected with data encryption module, and the traffic information after optimizing can be sent to data encryption module by it.
Data encryption module optimizes module from traffic information and subscriber control information generation module receives the traffic information after optimizing and subscriber control information, and they are carried out data encryption. Data encryption module is also connected to data-reusing module, and the traffic information after encryption and subscriber control information can be passed to data-reusing module by it.
Traffic information after encryption and subscriber control information are carried out data-reusing by data-reusing module. Data-reusing module is also connected to CDR and encourages transmitter module, and the data after multiplexing can be sent to CDR and encourage transmitter module by it.
CDR encourages transmitter module the data after multiplexing are encouraged and is launched by broadcast channel, includes traffic information and subscriber control information in the data launched.
Fig. 3 is the functional block diagram of the system terminal of system in Fig. 1.
As shown in Figure 3, described system terminal can be that a kind of Chinese Digital audio broadcasting CDR that can pass through receives the device of traffic information, including CDR terminal receiver module, data demultiplexing module, data decryption module, traffic information processing module, map application module and display screen.
CDR terminal receiver module receives broadcast message by broadcast channel, includes traffic information and subscriber control information in broadcast message. CDR terminal receiver module is connected to data demultiplexing module, and the broadcast message received can be issued data demultiplexing module by it.
The broadcast message received is demultiplexed by data demultiplexing module, obtains traffic information and subscriber control information. Data demultiplexing module is also connected to data decryption module, and traffic information and the subscriber control information that demultiplexing obtains can be issued data decryption module by it.
The data decryption module traffic information to receiving and subscriber control information are decrypted. Data decryption module is also connected to traffic information processing module, and the traffic information after deciphering and subscriber control information can be sent to traffic information processing module by it.
The data received are processed by traffic information processing module according to subscriber control information, and traffic information processing module includes: terminal data correction verification module, and it is connected to packet synthesis module, for the traffic information after deciphering is verified; Packet synthesis module, it is connected to data resolution module, for the traffic information after verification carries out packet synthesis; Data resolution module, for resolving the traffic information after packet synthesis.
Traffic information processing module is also connected to map application module, and the traffic information after processing can be passed to map application module by it. In map application module, storage has numerical map, and the traffic information received can be loaded on numerical map by it with the form of map element.
Map application module is also connected to display screen, and the numerical map being loaded with traffic information can be shown on a display screen by it. Terminal use can recognize real-time traffic information in conjunction with map by display screen, thus selecting traffic path to avoid the unfavorable factors such as traffic congestion.
Professional should further appreciate that, the unit of each example described in conjunction with the embodiments described herein and algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, generally describe composition and the step of each example in the above description according to function. These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme. Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can use the software module that hardware, processor perform, or the combination of the two is implemented. Software module can be placed in any other form of storage medium known in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described detailed description of the invention, has further described the purpose of the present invention, technical scheme and beneficial effect. Be it should be understood that and be the foregoing is only the specific embodiment of the present invention, the protection domain being not intended to limit the present invention. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. the device being launched traffic information by Chinese Digital audio broadcasting CDR, it is characterised in that including:
Traffic information optimizes module, for traffic information being optimized for broadcasting channel characteristic;
Subscriber control information generation module, for generating subscriber control information according to user profile;
Data encryption module, for being encrypted the traffic information after optimizing and described subscriber control information;
Data-reusing module, for carrying out multiplexing to the traffic information after encryption and subscriber control information;
CDR encourages transmitter module, for the data after launching multiplexing by broadcast channel to terminal use.
2. device according to claim 1, it is characterised in that described traffic information optimizes module and includes:
Data hierarchy module, for being layered described traffic information;
Data check module, for verifying the traffic information after layering;
Packet module, for verification after traffic information be grouped;
Wherein, described optimization includes described layering, described verification and described packet.
3. device according to claim 2, it is characterised in that described traffic information optimizes module and also includes:
Data cache module, for carrying out data buffer storage to the traffic information after packet;
Datacycle sends processing module, processes for the data after buffer memory are circulated transmission;
Wherein, described optimization also includes described data buffer storage and described cycles through process.
4. device according to claim 1, it is characterised in that also include:
Traffic information management module, is used for generating and store described traffic information;
Subscriber information management module, is used for generating and store described user profile.
5. the device being received traffic information by Chinese Digital audio broadcasting CDR, it is characterised in that including:
CDR terminal receiver module, for receiving broadcast message by broadcast channel, described broadcast message includes traffic information and subscriber control information;
Data demultiplexing module, for described broadcast message is demultiplexed, obtains described traffic information and described subscriber control information;
Data decryption module, for being decrypted described traffic information and subscriber control information;
Traffic information processing module, for processing the traffic information after deciphering according to the subscriber control information after deciphering.
6. device according to claim 5, it is characterised in that described traffic information processing module includes:
Terminal data correction verification module, for verifying the traffic information after deciphering;
Packet synthesis module, for carrying out packet synthesis to the traffic information after verification;
Data resolution module, for resolving the traffic information after packet synthesis;
Wherein, described process includes described verification, described packet synthesis and described parsing.
7. device according to claim 5, it is characterised in that also include:
Map application module, its storage has numerical map, is used for the traffic information after receiving described process, and it is loaded on described numerical map with the form of map element.
8. device according to claim 5, it is characterised in that also include:
Display screen, for being shown to user by the numerical map being loaded with traffic information.
9. the system being transmitted traffic information by Chinese Digital audio broadcasting CDR, it is characterised in that include the device as described in one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243367.5A CN105679066A (en) | 2016-04-18 | 2016-04-18 | Device and system for transmitting road condition information through CDR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243367.5A CN105679066A (en) | 2016-04-18 | 2016-04-18 | Device and system for transmitting road condition information through CDR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105679066A true CN105679066A (en) | 2016-06-15 |
Family
ID=56309275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610243367.5A Pending CN105679066A (en) | 2016-04-18 | 2016-04-18 | Device and system for transmitting road condition information through CDR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105679066A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107454439A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Information carrying means, method, information processing system and method |
| CN107454440A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Graph text information processing system and method |
| CN107547156A (en) * | 2017-09-04 | 2018-01-05 | 成都德芯数字科技股份有限公司 | Information transfer adaptation method, device and CDR broadcast transmission systems |
| CN107580189A (en) * | 2017-09-04 | 2018-01-12 | 成都德芯数字科技股份有限公司 | Information carrying means, system and information transferring method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763722A (en) * | 2009-12-29 | 2010-06-30 | 北京世纪高通科技有限公司 | Method and device for releasing dynamic traffic information |
| CN101795165A (en) * | 2009-12-29 | 2010-08-04 | 北京世纪高通科技有限公司 | Test method and device of dynamic traffic information broadcasting system |
| CN102081845A (en) * | 2011-01-25 | 2011-06-01 | 北京世纪高通科技有限公司 | Preprocessing method and device of traffic information |
| CN103945323A (en) * | 2013-01-20 | 2014-07-23 | 上海博路信息技术有限公司 | Dynamic traffic information system |
| CN204854760U (en) * | 2015-08-13 | 2015-12-09 | 北京海尔集成电路设计有限公司 | Utilize chinese digital audio broadcasting's navigation terminal |
-
2016
- 2016-04-18 CN CN201610243367.5A patent/CN105679066A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763722A (en) * | 2009-12-29 | 2010-06-30 | 北京世纪高通科技有限公司 | Method and device for releasing dynamic traffic information |
| CN101795165A (en) * | 2009-12-29 | 2010-08-04 | 北京世纪高通科技有限公司 | Test method and device of dynamic traffic information broadcasting system |
| CN102081845A (en) * | 2011-01-25 | 2011-06-01 | 北京世纪高通科技有限公司 | Preprocessing method and device of traffic information |
| CN103945323A (en) * | 2013-01-20 | 2014-07-23 | 上海博路信息技术有限公司 | Dynamic traffic information system |
| CN204854760U (en) * | 2015-08-13 | 2015-12-09 | 北京海尔集成电路设计有限公司 | Utilize chinese digital audio broadcasting's navigation terminal |
Non-Patent Citations (1)
| Title |
|---|
| 孙志民: "数字广播下TPEG交通信息发布试验的研究和实现", 《电脑知识与技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107454439A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Information carrying means, method, information processing system and method |
| CN107454440A (en) * | 2017-09-04 | 2017-12-08 | 成都德芯数字科技股份有限公司 | Graph text information processing system and method |
| CN107547156A (en) * | 2017-09-04 | 2018-01-05 | 成都德芯数字科技股份有限公司 | Information transfer adaptation method, device and CDR broadcast transmission systems |
| CN107580189A (en) * | 2017-09-04 | 2018-01-12 | 成都德芯数字科技股份有限公司 | Information carrying means, system and information transferring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108292994B (en) | Method and device for message verification | |
| US9348993B2 (en) | Segment authentication for dynamic adaptive streaming | |
| KR20180029695A (en) | System and method for transmitting data using block-chain | |
| JP2020005282A (en) | Transmission of beacon message | |
| CN105679066A (en) | Device and system for transmitting road condition information through CDR | |
| US20130254614A1 (en) | System and methods for error tolerant content delivery over multicast channels | |
| US20140229386A1 (en) | Secure mobile payments | |
| KR20150131239A (en) | Advertising download verification | |
| US20180083935A1 (en) | Method and system for secure sms communications | |
| WO2017185872A1 (en) | Short message processing method, device, and system, and storage medium | |
| WO2020112209A3 (en) | Methods and systems for efficient encoding and decoding communications | |
| US20130288641A1 (en) | Wireless communication system providing the verification of the network identify | |
| CN105430640A (en) | Short message encryption and authentication method, terminal and system | |
| CN102625299A (en) | Data transmission method, system and device | |
| CN102833709B (en) | A kind of sending method, mobile terminal, server and system of note | |
| CN102648625B (en) | Method, device and system for implementing the grouping of broadcast services | |
| US20160148232A1 (en) | Using hashed media identifiers to determine audience measurement data including demographic data from third party providers | |
| CN110620846A (en) | Message merging method, device, equipment and storage medium | |
| CN105407479A (en) | Information recognition method, information gateway, SIM card, and system | |
| SG146488A1 (en) | System for tracking the successful recommendation of a good or service | |
| CN100563360C (en) | The method of short message content interpolation-preventing | |
| US20080022110A1 (en) | Message authentication system and message authentication method | |
| WO2010097590A2 (en) | Communications systems | |
| US20230209352A1 (en) | Authentication methods for a satellite-based navigation system, devices for authenticating messages and authentication system | |
| KR102103903B1 (en) | Transmitting apparatus and receiving apparatus and data processing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |
|
| WD01 | Invention patent application deemed withdrawn after publication |