CN108123737A - DAB-based wireless digital multimedia paging system - Google Patents
DAB-based wireless digital multimedia paging system Download PDFInfo
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- CN108123737A CN108123737A CN201710406551.1A CN201710406551A CN108123737A CN 108123737 A CN108123737 A CN 108123737A CN 201710406551 A CN201710406551 A CN 201710406551A CN 108123737 A CN108123737 A CN 108123737A
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- paging
- dab
- digital multimedia
- multimedia
- wireless digital
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- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
- H04W88/185—Selective call encoders for paging networks, e.g. paging centre devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a DAB-based wireless digital multimedia paging system. The invention relates to a Digital multimedia paging technology, in particular to a method for realizing a wireless Digital multimedia paging system based on Digital Audio Broadcasting (DAB). Conventional wireless paging systems have a small bandwidth and can only transmit small amounts of text and digital information. The invention utilizes DAB digital multimedia broadcasting transmitter, and allocates special paging channel in the transmitter, and encodes and packages multimedia paging information such as characters, numbers, pictures, voice, video and the like, and then wirelessly releases the multimedia paging information in the DAB paging channel. And the receiving terminal acquires and displays the paging content by decoding the DAB paging channel. The invention aims to establish a novel digital multimedia paging system which not only can provide the text and number paging function, but also can provide the multimedia paging functions of pictures, voice, video and the like.
Description
Technical field
The present invention relates to a kind of wireless digital paging technique, specifically, be related to it is a kind of wide using DAB digital multimedias
Broadcast the method that technology realizes wireless digital multimedia paging system.
Background technology
Although mobile phone and internet are extremely popularized at present, mobile communication signal is unreachable, speed is slow or signal load
The place of overload, paging still play an important role.In remote districts and some special industry fields（Such as nuclear power station）, lack
Allow less or not using mobile communications network, paging provides a kind of safe communication mode of low cost.With modern intelligence
Energy mobile phone is compared, and paging machine battery is also much lasting.But traditional paging system smaller bandwidth, can only transmit a small amount of word and
Digital information.Occurs the business that paging is realized using mobile communications network in recent years, but it substantially relies on existing movement
Communication network infrastructure is not used to remote districts and special industry field.
DAB（Digital Audio Broadcast）It is the new digital broadcast standard that european telecommunication alliance formulates（Standard
Number ETSI EN300401）, used by global a large amount of countries.Quote standard formulation China broadcasting and TV row in China in 2006
Industry digital audio broadcast standard（Standard No. GY/T214-2006）.There is DAB good tonequality, multimedia, anti-radio wave propagation to decline, is suitable
Close the advantages that high-speed mobile receives.DAB is not only an audio droadcasting system, its outstanding data transmission and mobile acceptance
It can be made gradually to develop into digital multimedia broadcasting（DMB, Digital Multimedia Broadcast）.
The content of the invention
The purpose of the present invention is the data transmission capabilities using DAB, realize that a kind of wireless digital multimedia based on DAB is sought
Paging system.The paging system realized has the bandwidth and more rich business tine than conventional Page system bigger.Utilize DAB
The data volume bigger of the paging information of transmission, form also more diversification, can be word, picture, sound and combinations thereof.It receives
Terminal can also combine with smart mobile phone, be shown by smart mobile phone screen in addition to the receiver of traditional BB press proof formulas
Paging information is more suitable for the occupation mode of modern people.
The realization process of the present invention is as follows.
（1）The frame for the digital multimedia paging system based on DAB that the present invention is realized as shown in Figure 1, divide on the whole
For two parts：Publishing side and receiving terminal.Publishing side includes one or more pagings and issues user, a paging content management service
Device, a transmitter management server and a DAB transmitter.Receiving terminal includes special paging receiver and can be with intelligent movable
Multimedia paging receiver that terminal is used cooperatively etc..According to different application demands, the paging content management service in Fig. 1
Device, transmitter management server and DAB transmitters, either three independent equipment or the list integrated
Platform equipment.
（2）One Web server is installed in paging content management server, which is responsible for paging issue and uses
The data that family is sent, and generate one can remote browse Web page.
（3）Paging issue user can initiate to page in any computer being connected with paging content management server.Paging
It issues user and opens browser, according to page prompts, insert call object and call contents.
（4）After paging issue user confirms paging operation, paging content management server deposits the paging information received
Enter database.Meanwhile page content management server and information is read from database, and hair is sent to after information package is encapsulated
Penetrate machine management server.
（5）Transmitter management server distributes a special paging channel to transmit seeking for all paging issue users
Exhale information.After transmitter management server receives the paging information after packing of paging content management server transmission, insert
Enter into the paging channel of DAB transmitters, after the data of the channel and other business datums multiplexing of DAB transmitters, form DAB
Frame emission, and launch via DAB transmitters.
（6）Paging receives terminal and receives DAB signals, and the content of paging channel is decoded, and is parsed by data
Afterwards, know whether to issue the information that the paging receives terminal.If any, then it pages and receives form of the terminal according to paging content,
Such as word, picture and voice select appropriate mode to be shown or played.
Above-mentioned steps（1）In, the connection between paging issue user and paging content management server can be based on wired
LAN, mobile communications network and WiFi etc..
Above-mentioned steps（2）In, Web server is also responsible in addition to receiving and paging the paging information that issue user sends to letter
The record of breath and management can inquire all history paging datas.
Above-mentioned steps（3）In, user is issued in the paging being connected with paging content management server, either one,
Can be multiple.That is, the present invention supports multiple administrative centers to issue paging information simultaneously.
Above-mentioned steps（4）In, to improve the reliability of data transmission, paging content management server beats paging information
Bao Hou can be used the channel coding technologies such as RS codes, LDPC code and further encode.
Above-mentioned steps（5）In, transmitter management server distribution paging channel channel capacity can according to user demand,
It is flexibly set from 8 Kbps to 1.5 Mbps in the range of the permission of DAB standards.The configuration information of the paging channel distributed exists
It is transmitted in the fast traffic channel of DAB.
Above-mentioned steps（6）In, paging receives that of terminal both including similar tradition BB machines and only receives voice, word sum number
The paging receiver of word, the multimedia paging for also including the playable sound that can be connected with smart mobile phone, picture, video receive
Machine.
One of this technology advantageous effect of the invention is bandwidth of the present invention with than conventional wireless paging system bigger, thus
Multimedia paging content can be transmitted, transfers more rich paging information.
This technology advantageous effect of the invention second is that the present invention has no effect on the broadcast capability of DAB transmitters in itself, i.e.,
Paging channel used in invention can be carried out at the same time with other broadcasting services of DAB transmitters.
Description of the drawings
Fig. 1 is the frame of the wireless digital multimedia paging system based on DAB designed by the present invention.
Fig. 2 is distribution schematic diagram of the paging service in DAB transmission channels.
Fig. 3 is the block diagram of the DAB wireless digital multimedia call terminals designed by the present invention.
Fig. 4, which is paging calling party, sends the flow chart of message to some or a certain group of call terminal.
Fig. 5 is a kind of data encapsulation format of paging information provided by the invention.
Fig. 6 is the flow chart of DAB call terminal receive informations.
Fig. 7 is the main thread of App of the DAB wireless digital multimedia call terminals being connected with smart mobile phone on mobile phone
Operational flowchart.
Fig. 8 is the data processing of App of the DAB wireless digital multimedia call terminals being connected with smart mobile phone on mobile phone
The operational flowchart of thread.
Specific embodiment
Below in conjunction with the accompanying drawings to the implementation method of the wireless digital multimedia paging system of the present invention based on DAB and
The specific embodiment of system is described further.
The general frame for the digital multimedia paging system based on DAB realized as shown in Figure 1 for the present invention.On the whole
It is divided into two parts：Publishing side and receiving terminal.Publishing side includes one or more pagings and issues user, a paging Content Management clothes
Business device, a transmitter management server and a DAB transmitter.Receiving terminal includes special paging receiver and can be with mobile intelligence
Multimedia paging receiver that energy terminal is used cooperatively etc..According to different application demands, the paging content management service in Fig. 1
Device, transmitter management server and DAB transmitters, either three independent equipment or the list integrated
Platform equipment.
As shown in Fig. 2, DAB transmitters management server is in DAB transmission channels according to the channel distribution side of DAB standards
Method distributes a special data traffic channels for paging service in the main service channel of DAB.Protection of the channel etc.
The configuration informations such as grade, channel capacity are transmitted in the fast traffic channel of DAB.
It is illustrated in figure 3 the schematic diagram of the DAB wireless digital multimedia call terminals designed by the present invention.Wherein RF chips
It is responsible for DAB radiofrequency signals being converted into intermediate-freuqncy signal；ADC is responsible for the intermediate-freuqncy signal of simulation being converted to digital medium-frequency signal；DAB
Baseband decoder chip is responsible for demodulating initial data from digital medium-frequency signal；MCU chip is responsible for that each chip is configured to select
Determine the paging channel in DAB signals, while MCU is also responsible for the data after DAB baseband decoder chips are demodulated and is displayed on the screen,
Or it gives smart mobile phone by USB interface and is further processed.Each paging receives terminal, and there is unique ID, the ID to be stored in one
It can be read in block nonvolatile storage and by MCU.
It is illustrated in figure 4 the flow chart that paging issue user sends message to some or a certain group of call terminal.First
Paging issue user inputs the IP of paging content management server by browser, and paging content management server will generate one
Web page exhales calling party in the content of Web page input paging, and selects to receive terminal.The content of paging includes text
Word, picture, video and sound.Word is directly inputted by user in Web page.Picture is selected by user in local folders.
Video and sound can both select existing file in local folders, can also be by being sent out after camera and microphone records
It send.After paging issue user confirms paging operation, the paging information received is stored in database by paging content management server.
Meanwhile page content management server and information is read from database, and transmitter management is sent to after information package is encapsulated
Server.
It is illustrated in figure 5 a kind of data encapsulation format of paging information provided by the invention.For improve information transmission can
By property, outer coding technology is further employed.It is provided by the present invention in view of data encapsulation and the diversity of outer coding technology
Data encapsulate and outer encoding method is only one of which, and the present invention does not repel other data encapsulation and outer coding technology.
It is illustrated in figure 6 the flow chart of DAB call terminal receive informations.MCU complete to paging channel it is selected after, no
It is disconnected to detect the data packet received, the ID corresponding to each paging information is found out from data packet, if finding bag wherein
Contain the ID of the machine, then start decoding and broadcasting to this paging information.If call terminal is not connected with smart mobile phone,
Word, picture and the video information that MCU obtains decoding are played out by the screen and loudspeaker of the machine.If call terminal with
Smart mobile phone is connected, then MCU is further transmitted to obtained paging information smart mobile phone and is handled.
It is as shown in Figure 7 and Figure 8 the DAB wireless digital multimedia call terminals that are connected with smart mobile phone on mobile phone
The operating process of App.Due to the characteristic of broadcast system, the data received must be handled in real time in time, otherwise will appear from
Loss of data.In order to ensure the reliable and stable operation of whole system, two worker threads are opened：Main thread and data processing line
Journey.Fig. 7 show the operating process of main thread.Main thread is responsible for monitoring USB port, if there is data arrive, then notifies data
Processing thread is handled.Fig. 8 show the operating process of data processing threads.Data processing threads receive main thread transmission
After the data come, the data received are decapsulated, obtain passing to the multimedia paging content of the machine, and pass through mobile phone
The forms such as ring, vibration notice call terminal user.When call terminal user checks information, data processing threads are according to seeking
The form of content is exhaled to be played using mobile phone display screen and loudspeaker classification.
Claims (5)
1. a kind of wireless digital multimedia paging system implementation method based on DAB, it is characterised in that utilize DAB digital multimedias
Broadcast transmitter issues digitized paging content.
2. wireless digital multimedia paging system as described in claim 1, which is characterized in that distribute one in DAB transmitters
A special paging channel is to transmitting digitized paging content.
3. wireless digital multimedia paging system as claimed in claim 1 or 2, which is characterized in that is distributed special seeks
The configuration information of channel is exhaled to be transmitted in the fast traffic channel of DAB.
4. wireless digital multimedia paging system as claimed in claim 1 or 2, which is characterized in that paging content can be text
The combination of the multimedia forms such as word, number, picture or voice or above-mentioned diversified forms.
5. wireless digital multimedia paging system as described in claim 1, which is characterized in that call terminal integrates DAB receptions
Function, the special paging channel distributed by decoding obtain paging content and play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406551.1A CN108123737A (en) | 2017-06-02 | 2017-06-02 | DAB-based wireless digital multimedia paging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406551.1A CN108123737A (en) | 2017-06-02 | 2017-06-02 | DAB-based wireless digital multimedia paging system |
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| Publication Number | Publication Date |
|---|---|
| CN108123737A true CN108123737A (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710406551.1A Pending CN108123737A (en) | 2017-06-02 | 2017-06-02 | DAB-based wireless digital multimedia paging system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288330A (en) * | 2000-08-25 | 2001-03-21 | 清华大学 | Ground digital multimedia TV broadcasting system |
| CN1777272A (en) * | 2004-11-17 | 2006-05-24 | Lg电子株式会社 | Digital broadcast method, digital broadcast apparatus, and data structure |
| CN1942012A (en) * | 2005-09-23 | 2007-04-04 | 三星电子株式会社 | Method and apparatus for performing handover in a digital broadcasting system |
| EP2360860A2 (en) * | 2010-02-24 | 2011-08-24 | Alpine Electronics, Inc. | Digital audio broadcasting reception apparatus and digital audio broadcasting reception method |
-
2017
- 2017-06-02 CN CN201710406551.1A patent/CN108123737A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288330A (en) * | 2000-08-25 | 2001-03-21 | 清华大学 | Ground digital multimedia TV broadcasting system |
| CN1777272A (en) * | 2004-11-17 | 2006-05-24 | Lg电子株式会社 | Digital broadcast method, digital broadcast apparatus, and data structure |
| CN1942012A (en) * | 2005-09-23 | 2007-04-04 | 三星电子株式会社 | Method and apparatus for performing handover in a digital broadcasting system |
| EP2360860A2 (en) * | 2010-02-24 | 2011-08-24 | Alpine Electronics, Inc. | Digital audio broadcasting reception apparatus and digital audio broadcasting reception method |
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Application publication date: 20180605 |