CN107769875A - The voice broadcast method of satellite communication, device and system - Google Patents
The voice broadcast method of satellite communication, device and system Download PDFInfo
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- CN107769875A CN107769875A CN201710975551.3A CN201710975551A CN107769875A CN 107769875 A CN107769875 A CN 107769875A CN 201710975551 A CN201710975551 A CN 201710975551A CN 107769875 A CN107769875 A CN 107769875A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
- H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
- H04H20/51—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for satellite broadcast systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/71—Wireless systems
- H04H20/74—Wireless systems of satellite networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
- H04H2201/19—Aspects of broadcast communication characterised by the type of broadcast system digital satellite radio [DSR]
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Abstract
The invention provides a kind of voice broadcast method of satellite communication, device and system；Wherein, this method includes：Speech data is encoded according to the code rate of setting, generates vocoded data；According to the transmission form of short message business in satellite communication, vocoded data is split, generates multiple data blocks；The data block includes the vocoded data after splitting, speed mark and sequence identification；Data block is broadcasted into the receiving terminal to setting regions, after receiving terminal receives data block, identifies ordered data block in sequence, the data block after sequence is decoded according to speed mark, generates speech data.The present invention carries out voice broadcast service by the radio network of short message business, can ensure that the use in setting regions can receive speech data per family, improve the reliability of voice broadcast service.Which also avoid the drawbacks of short message business is only capable of sending letter symbol, improve the business diversity of short message business in satellite communication.
Description
Technical field
The present invention relates to technical field of satellite communication, more particularly, to a kind of voice broadcast method of satellite communication, device
And system.
Background technology
Geostationary orbit moving communication satellite day leads to the star of No.1 01, is the starting star of China's satellite mobile communication system.It
Round-the-clock, round-the-clock can be provided for all kinds of hand-held and small mobile terminals equipment on China territory and surrounding sea areas, stably may be used
By mobile communication service, speech, short message, short message and data service are supported.Lead to No.1 satellite mobile communication technology between day
With user's satellite mobile communication handheld terminal technology, it is possible to achieve the broadcast of short message and receive capabilities, but with short message class
Seemingly, short message comprises only text symbol information, it is impossible to realizes the voice sending function of similar wechat tone information.
Existing day way system can realize full duplex call by voice service, and wechat etc. can be realized by data service
The information transfer of application.The terminal that the data service usually requires user opens the data service and buys certain service package
It can just use；If voice broadcast service is carried out by data service, it is difficult to ensure terminal user all in setting regions
To receive, the reliability of voice broadcast service is relatively low.
For voice broadcast service reliability in above-mentioned existing satellite communication it is relatively low the problem of, not yet propose effective solution party
Case.
The content of the invention
In view of this, it is an object of the invention to provide a kind of voice broadcast method of satellite communication, device and system, with
Voice broadcast service is carried out by the radio network of short message business in satellite communication, improves the reliability of voice broadcast service.
In a first aspect, the embodiments of the invention provide a kind of voice broadcast method of satellite communication, method is applied to send
End, method include：Receive the speech data of voice terminal collection；Speech data is encoded according to the code rate of setting,
Generate speed mark corresponding to vocoded data and code rate；According to the transmission form of short message business in satellite communication,
Deconsolidation process is carried out to vocoded data, generates multiple data blocks to be sent；Wherein, data block includes the language after splitting
Sequence identification between sound coded data, speed mark and multiple data blocks；Data block is broadcasted multiple to setting regions
Receiving terminal, so that after receiving terminal receives data block, ordered data block is identified in sequence, after being identified according to speed to sequence
Data block is decoded, and generates speech data.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, on
The transmission form according to short message business in satellite communication is stated, deconsolidation process is carried out to vocoded data, generated to be sent
The step of multiple data blocks, including：According to the transmission form of short message business in satellite communication, vocoded data is splitted into more
Individual data block；Wherein, in the transmission form of short message business, each short message includes more page datas, and four are included per page data
Data block；Corresponding idle message is generated for each data block and per page data；Wherein, idle message includes control information and interior
Hold information；Content information includes the sequence identification between vocoded data, speed mark, multiple data blocks or every page data.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspect
Possible embodiment, wherein, the above information includes identification division and content part；Identification division include speed mark and
Sequence identification；Sequence identification includes terminating frame identification, the initiating speech frame number of current page data, the number of speech frames of current page data
Amount；Content part includes vocoded data.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, wherein, on
Stating method also includes：Receive broadcast area corresponding to the speech data that voice terminal is sent；By cell mark corresponding to broadcast area
Know and be added in data block；Above-mentioned the step of data block is broadcasted to multiple receiving terminals to setting regions, including：By data block
Broadcast to the receiving terminal corresponding to cell ID in cell.
Second aspect, the embodiments of the invention provide a kind of voice broadcast method of satellite communication, method is applied to receive
End, method include：Multiple data blocks of receiving end/sending end broadcast；Wherein, data block include split after vocoded data,
Speed identifies the sequence identification between multiple data blocks；Data block is by transmitting terminal according to short message business in satellite communication
Form is sent, deconsolidation process is carried out to vocoded data and generated；Ordered data block is identified in sequence；Identified according to speed
Data block after sequence is decoded, generates speech data.
The third aspect, the embodiments of the invention provide a kind of voice broadcaster of satellite communication, device is arranged at transmission
End, device include：Speech data receiving module, for receiving the speech data of voice terminal collection；Coding module, for according to
The code rate of setting encodes to speech data, generates speed mark corresponding to vocoded data and code rate；Tear open
Sub-module, for the transmission form according to short message business in satellite communication, deconsolidation process, generation are carried out to vocoded data
Multiple data blocks to be sent；Wherein, data block includes the vocoded data after splitting, speed mark and multiple data blocks
Between sequence identification；Broadcast module, for data block to be broadcasted into multiple receiving terminals to setting regions, terminated so as to receive
After receiving data block, ordered data block is identified in sequence, and the data block after sequence is decoded according to speed mark, generated
Speech data.
With reference to the third aspect, the embodiments of the invention provide the possible embodiment of the first of the third aspect, wherein, on
Stating device also includes：Broadcast area receiving module, for receiving broadcast area corresponding to the speech data of voice terminal transmission；Will
Cell ID corresponding to broadcast area is added in data block；Broadcast module is additionally operable to include：Data block is broadcasted to cell mark
Receiving terminal corresponding to knowledge in cell.
Fourth aspect, the embodiments of the invention provide a kind of voice broadcaster of satellite communication, device is arranged at reception
End, device include：Data block reception module, multiple data blocks for receiving end/sending end broadcast；Wherein, data block includes tearing open
The sequence identification between vocoded data, speed mark and multiple data blocks after point；Data block is by transmitting terminal according to defending
The transmission form of short message business, carries out deconsolidation process to vocoded data and generates in star communication；Order module, for by
According to sequence identification ordered data block；Decoder module, for being decoded according to speed mark to the data block after sequence, generate language
Sound data.
5th aspect, the embodiments of the invention provide a kind of voice broadcast service system of satellite communication, system includes transmitting terminal
And receiving terminal；Transmitting terminal includes the device described in the above-mentioned third aspect；Receiving terminal includes the device described in above-mentioned fourth aspect.
In terms of the 5th, the embodiments of the invention provide the first possible embodiment of the 5th aspect, wherein, on
Stating receiving terminal includes mobile earth station.
The embodiment of the present invention brings following beneficial effect：
A kind of voice broadcast method of satellite communication provided in an embodiment of the present invention, device and system, by whole to voice
The speech data of end collection is encoded, and can obtain vocoded data and corresponding speed mark；According in satellite communication
The transmission form of short message business carries out deconsolidation process to vocoded data, can obtain multiple data blocks；Again by the data
Block broadcasts multiple receiving terminals to setting regions, so that after the receiving terminal is ranked up to data block, decoded, reverts to voice
Data.In which, voice broadcast service is carried out by the radio network of short message business in satellite communication, setting regions can be ensured
Interior use can receive the speech data of broadcast per family, when avoiding by data service progress voice broadcast service, due to part
User, which does not open the business, causes voice broadcast service to improve voice broadcast service by the problem of all users receive in region
Reliability.
Meanwhile which avoids the drawbacks of short message business is only capable of sending letter symbol, improves short in satellite communication
The business diversity of message traffic.
Other features and advantages of the present invention will illustrate in the following description, or, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or the above-mentioned technology by implementing the present invention can be learnt.
To enable the above objects, features and advantages of the present invention to become apparent, better embodiment cited below particularly, and match somebody with somebody
Accompanying drawing appended by conjunction, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of application environment schematic diagram of the voice broadcast method of satellite communication provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the voice broadcast method of the first satellite communication provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the voice broadcast method of second of satellite communication provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the transmission form of short message business provided in an embodiment of the present invention；
Fig. 5 is the flow chart of the voice broadcast method of the third satellite communication provided in an embodiment of the present invention；
Fig. 6 is the structural representation of the voice broadcaster of the first satellite communication provided in an embodiment of the present invention；
Fig. 7 is the structural representation of the voice broadcaster of second of satellite communication provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation of the voice broadcast service system of satellite communication provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
A kind of application environment schematic diagram of the voice broadcast method of satellite communication shown in Figure 1；Show and defend in Fig. 1
In star communication, the basic network topology of short message broadcasting service；The network structure is generally used for sending the short of letter symbol type
Message；The network structure is received by short message broadcasting equipment CBE, short message broadcasting center CBC, gateway station control GSC, gateway station
Send out device GTS and mobile earth station MES compositions.
Generally, each CBE sends the short message of one or more types, for example, weather forecast, transport information etc.；One
CBE can be connected with multiple CBC, and a CBC can also be connected with multiple CBE to receive different types of short message.Short message is broadcasted
Business CBS information is sent by CBE, then issues GTS, then the MES broadcast into cell by GSC by CBC.CBC is at this
It is a core net CN part in system, a CBC can be connected with multiple GSC/GTS, and each GSC then may only be with a CBC
It is connected.
Short message broadcast service CBS is one similar with existing Short Message Service, there is a function of its striking features again.
CBS is in PLMN PLMN special areas, the short message (such as meteorological, traffic information) with versatility
Regularly utilize the short message broadcast channel CBCH in wireless network unidirectional, selectively wide to the region of the network coverage by page
Broadcast and send, make to be registered in and directly display related information content on all user mobile phones on network.It meets public information a bit
The effective means sent to multiple spot.Short message service area can be one or more cells, can also make whole public land
Mobile network PLMN.
In addition, each GSC has been also respectively connected with circuit-domain network CS and packet switching network PS；Wherein, CS is used for voice
Call, PS are used for data service；However, the voice call carried out using CS networks is point-to-point communication；The number carried out using PS
According to business, it is necessary to which the terminal of user opens the data service and buys certain service package can just use；If pass through PS
Voice broadcast service is carried out, then is difficult to ensure that terminal user all in setting regions can receive, the reliability of voice broadcast service
It is relatively low.
In view of voice broadcast service reliability in above-mentioned existing satellite communication it is relatively low the problem of, the embodiments of the invention provide
A kind of voice broadcast method of satellite communication, device and system；The technology can apply to wide by satellite communication progress voice
In the scene broadcast, it is particularly possible to lead to applied to based on day among the scene of series of satellites communication progress voice broadcast service；The technology can
To be realized using related software or hardware, it is described below by embodiment.
The flow chart of the voice broadcast method of the first satellite communication shown in Figure 2；This method is applied to transmitting terminal,
This method comprises the following steps：
Step S202, receive the speech data of voice terminal collection；
Step S204, speech data is encoded according to the code rate of setting, generate vocoded data and coding
Speed corresponding to speed identifies；
The code rate or other code rates pair of these three low rates of 4000bps, 2400bps, 1200bps can be used
Above-mentioned speech data is encoded；When being encoded, it can be 100-3600Hz, sample frequency that it, which inputs speech bandwidth,
8KHz, equal interval quantizing precision 16bit.In above-mentioned cataloged procedure, decoding algorithm frame length 20ms (160 sampled points, i.e. 320Byte
Speech data)；When using 4000bps or 2400bps code rates, generally a frame speech data is encoded；When adopting
During with 1200bps code rates, generally the superframe of three frame speech datas composition is encoded.
Different according to code rate, the length for encoding output is different, shows that code rate exports with coding in table 1
The corresponding relation of length.
| Code rate | Encode the length of output |
| 4000bps | 80bit |
| 2400bps | 48bit |
| 1200bps | 72bit |
Step S206, according to the transmission form of short message business in satellite communication, vocoded data is carried out at fractionation
Reason, generates multiple data blocks to be sent；Wherein, the data block include split after vocoded data, speed mark and
Sequence identification between multiple data blocks；
Generally, in satellite communication, especially day leads in series of satellites, and short message business, which is generally used for sending or broadcasted, to be contained
The information of letter symbol；In view of relative to letter symbol, the data volume of above-mentioned vocoded data is larger, in order to by voice number
Broadcasted according to being carried in short message business network, it is necessary to be split to above-mentioned vocoded data, to obtain and short report
The data block that the transmission form of literary business matches.
Because a complete vocoded data is, it is necessary to split into multiple data blocks；In order that receiving terminal can pass through
The multiple data blocks received revert to speech data, and above-mentioned speed mark and sequence identification are also included in the data block.
Step S208, data block is broadcasted into multiple receiving terminals to setting regions, so that receiving terminal receives data block
Afterwards, ordered data block is identified in sequence, and solution coding is carried out to the data block after sequence according to speed mark, generates voice number
According to.
A kind of voice broadcast method of satellite communication provided in an embodiment of the present invention, passes through the voice gathered to voice terminal
Data are encoded, and can obtain vocoded data and corresponding speed mark；According to short message business in satellite communication
Send form and deconsolidation process is carried out to vocoded data, multiple data blocks can be obtained；The data block is broadcasted to setting again
Multiple receiving terminals in region, so that after the receiving terminal is ranked up to data block, decoded, revert to speech data.Which
In, by the radio network of short message business in satellite communication, it can ensure that the use in setting regions can receive extensively per family
The speech data broadcast, when avoiding by data service progress voice broadcast service, cause because certain customers do not open the business
Voice broadcast service by the problem of all users receive in region, can not improve the reliability of voice broadcast service.
Meanwhile which avoids the drawbacks of short message business is only capable of sending letter symbol, improves short in satellite communication
The business diversity of message traffic.
The flow chart of the voice broadcast method of second of satellite communication shown in Figure 3；This method is shown in fig. 2
Realized on the basis of method；This method is applied to transmitting terminal, and this method comprises the following steps：
Step S302, receive the speech data of voice terminal collection；
Step S304, speech data is encoded according to the code rate of setting, generate vocoded data and coding
Speed corresponding to speed identifies；
Step S306, according to the transmission form of short message business in satellite communication, vocoded data is splitted into more numbers
According to block；Wherein, in the transmission form of the short message business, each short message includes more page datas, includes four numbers per page data
According to block；
A kind of schematic diagram of the transmission form of short message business shown in Figure 4；Generally, short message by protocol layer letter
It is data block block to close the unit that station is sent, and a data block includes effective content of 22 bytes, is carried on DC10 channels
On, received by physical layer and reported.The CBS information that gateway station subsystem GSS broadcast multipoint transmission control BMC transmits to CBC
Paging is carried out, can at most be divided into 15 page data PAGE (being respectively PAGE1 to PAGE15 in Fig. 4), be included in each PAGE
88 bytes, 6 bytes therein are control information；This 88 bytes are divided into 4 sections altogether, are 22 bytes per segment data length；
BMC is that 1 byte-header is added per segment data, forms 4 block, is respectively designated as " first block ", " second
Block ", " third block " and " fourth block ", then be idle message BMC CBS corresponding to each block generations
message.The data block block that protocol stack reports physical layer, the information carried by block heads, by 4 block groups
1 complete page is dressed up, if gateway station indicates current less than 4 block of page on block heads, is filled by protocol stack
CR (0x000d) is by 88 bytes of the polishing of page 1；To be more by protocol stack if 1 short message gateway station divide into multipage transmission
After individual page collects, application processor AP is uniformly reported.
Step S308, it is each data block and corresponding idle message is generated per page data；Wherein, the idle message includes
Control information and content information；The content information include vocoded data, speed mark, multiple data blocks or per page data it
Between sequence identification.
Specifically, the content information includes identification division and content part；The identification division includes speed mark and order
Mark；The sequence identification includes terminating frame identification, the initiating speech frame number of current page data, the number of speech frames of current page data
Amount；The content part includes vocoded data.
The content of the idle message of data block is shown in table 2 below；Wherein, first character is saved in identification data block
Block type；2nd~23 byte is used to carry data.
The content of the idle message of page data is shown in Table 3 below.
| Field | Octet |
| Serial number | 1~2 |
| Message identifier | 3~4 |
| Data coding scheme | 5 |
| Page parameter | 6 |
| Content of message | 7~88 |
Wherein, Message Identifier cells are used for source and the type for indicating CBS message；Serial Number believe
Member is used to indicate specific a certain CBS message under Message ID；Data Coding Scheme cells are used to indicate what is supported
Coding and language；1~4 bit in Page Parameter cells is used for the total page number for indicating CBS message, and 5~8 bits are used for
Indicate CBS message page numbers.If MES receives first character section or second field when being 0000, it is considered as a single message, i.e.,
Page number parameter is 0,001 0001；The source CBS that Content of Message cells include the WRITE-REPLACE from CBC disappears
Content is ceased, length is defaulted as 82 bytes.
Shown in table 4 below in the idle message of page data, the content of Content of Message cells；
Content of Message
Wherein, 1~3 bit of the first character section in 82 bytes represents the speed mark of current speech coded data：
When using 1200bps codings, it is worth for 000；When using 2400bps codings, it is worth for 001；When using 4000bps decodings,
It is worth for 010；Value 011,100,101,110,111 retains for other encryption algorithms.4th bit of first character section indicate whether for
Last frame voice：0 represents it is not last frame voice；1 represents it is last frame voice.5~8 bits of first character section are matched somebody with somebody
1~8 bit for closing second byte indicates the initiating speech frame number of current page data.1~8 bit instruction of 3rd byte is worked as
How many frame voice preceding page data contains.Remaining byte is vocoded data.
Step S310, receive broadcast area corresponding to the speech data that voice terminal is sent；Will be small corresponding to broadcast area
Area's mark is added in data block；
Generally, the broadcast cell of the speech data can be determined according to broadcast area by CBC, and the cell ID is added
Into data block；Specifically, the geographic range of speech data broadcast can be indicated in the sequence number of data block；
Step S312, above-mentioned data block is broadcasted to the receiving terminal corresponding to the cell ID in cell, so that receiving terminal
After receiving data block, ordered data block is identified in sequence, and solution coding is carried out to the data block after sequence according to speed mark,
Generate speech data.
The voice broadcast method of a kind of satellite communication provided in an embodiment of the present invention, according to short message business in satellite communication
Transmission form to vocoded data carry out deconsolidation process, multiple data blocks can be obtained；It is each data block and every page again
Data generate corresponding idle message, and speed mark and sequence identification of vocoded data etc. are contained in the idle message
Information；Cell ID is further comprises in data block, for determining the broadcast area of the speech data；In which, pass through satellite
The radio network of short message business in communication, it can ensure that the use in setting regions can receive the voice number of broadcast per family
According to, avoid by data service carry out voice broadcast service when, cause voice broadcast service not because certain customers do not open the business
By the problem of all users receive in region, the reliability of voice broadcast service can be improved.
Meanwhile which avoids the drawbacks of short message business is only capable of sending letter symbol, improves short in satellite communication
The business diversity of message traffic.
The flow chart of the voice broadcast method of the third satellite communication shown in Figure 5；This method is applied to receiving terminal,
This method comprises the following steps：
Step S502, multiple data blocks of receiving end/sending end broadcast；Wherein, the data block includes the voice coder after splitting
Sequence identification between code data, speed mark and multiple data blocks；The data block is by transmitting terminal according to short in satellite communication
The transmission form of message traffic, deconsolidation process is carried out to vocoded data and generated；
Step S504, identifies ordered data block in sequence；
Step S506, the data block after sequence is decoded according to speed mark, generates speech data.
When actually realizing, the voice broadcast method of the satellite communication applied to transmitting terminal shown in above-mentioned Fig. 2 can be with
Realized by following step：(1) voice collecting is carried out first and is encoded；(2) vocoded data is unpacked；(3) it is carried to short
Message traffic；(4) short message is sent according to length.
The voice broadcast method of the satellite communication applied to receiving terminal shown in above-mentioned Fig. 5, can also pass through following step
Realize：(1) short message is received according to length first；(2) short message is parsed；(3) by voice data group bag to be decoded；(4) carry out
Tone decoding simultaneously plays.
A kind of voice broadcast method of satellite communication provided in an embodiment of the present invention, pass through short message business in satellite communication
Radio network, can ensure that the use in setting regions can receive the speech data of broadcast per family, avoid and pass through data
When business carries out voice broadcast service, cause voice broadcast service can not be by all users in region because certain customers do not open the business
The problem of receiving, improve the reliability of voice broadcast service.Meanwhile which avoids short message business and is only capable of sending Chinese character
Number the drawbacks of, improve the business diversity of short message business in satellite communication.
The structural representation of the voice broadcaster of the first satellite communication shown in Figure 6；The device is arranged at hair
Sending end, the device include such as lower part：
Speech data receiving module 60, for receiving the speech data of voice terminal collection；
Coding module 61, for being encoded according to the code rate of setting to speech data, generate vocoded data
With code rate corresponding to speed mark；
Module 62 is split, for the transmission form according to short message business in satellite communication, vocoded data is carried out
Deconsolidation process, generate multiple data blocks to be sent；Wherein, data block includes the vocoded data after splitting, speed mark
Know the sequence identification between multiple data blocks；
Broadcast module 63, for data block to be broadcasted into multiple receiving terminals to setting regions, so that receiving terminal receives
After data block, ordered data block is identified in sequence, and solution coding is carried out to the data block after sequence according to speed mark, generates language
Sound data.
Said apparatus also includes：Broadcast area receiving module, for receiving corresponding to the speech data of voice terminal transmission
Broadcast area；Cell ID corresponding to broadcast area is added in data block；
Above-mentioned broadcast module is additionally operable to include：Data block is broadcasted to the receiving terminal corresponding to cell ID in cell.
The structural representation of the voice broadcaster of second of satellite communication shown in Figure 7；The device, which is arranged at, to be connect
Receiving end, the device include such as lower part：
Data block reception module 70, multiple data blocks for receiving end/sending end broadcast；Wherein, data block includes splitting
Vocoded data afterwards, speed identify the sequence identification between multiple data blocks；Data block is by transmitting terminal according to satellite
The transmission form of short message business in communication, deconsolidation process is carried out to vocoded data and generated；
Order module 71, for identifying ordered data block in sequence；
Decoder module 72, for being decoded according to speed mark to the data block after sequence, generate speech data.
The voice broadcaster of satellite communication provided in an embodiment of the present invention, the satellite communication provided with above-described embodiment
Voice broadcast method has identical technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
A kind of structural representation of the voice broadcast service system of satellite communication shown in Figure 8；The system includes transmitting terminal
80 and receiving terminal 81；The transmitting terminal includes the voice broadcaster 80a of the satellite communication shown in above-mentioned Fig. 6；Receiving terminal includes upper
State the voice broadcaster 81b of the satellite communication shown in Fig. 7.Further, the receiving terminal includes mobile earth station.
The voice broadcast service system of satellite communication provided in an embodiment of the present invention, the satellite communication provided with above-described embodiment
Voice broadcast method and device have identical technical characteristic, so can also solve identical technical problem, reach identical skill
Art effect.
The voice broadcast method of satellite communication provided in an embodiment of the present invention, device and system, devise a kind of based on short
The voice transfer scheme of message, one-to-many voice transfer can be realized based on the program；In the program, day conversation voice can be used
Tri- kinds of low bit rate speech coding algorithms of business 4000/2400/1200bps carry out encoding and decoding to speech data, it is, of course, also possible to
Use other voice compression algorithms；In the program, voice rate can configure.The present invention solves short message and is only capable of transmitting word letter
The drawbacks of breath, facilitate user's broadcast listening, while one-to-many voice communication can be realized.
Satellite mobile communication system, its maximum feature are the multicast modes using satellite communication, are carried for Global Subscriber
It is land cellular mobile communications system for large span, a wide range of, remote roaming and motor-driven, flexible mobile communication service
Extension and extension, in remote area, mountain area, island, by disaster area, ocean-going vessel to be only reached the communication aspects such as oceangoing voyage aircraft more only
Special superiority.Satellite mobile communication system presses track point used, can be divided into stationary orbit (GEO) and middle orbit (MEO), low rail
Road (LEO) satellite mobile communication system.GEO system technology matures, advantage of lower cost, the GEO systems of business can be provided at present
There are INMARSAT systems, North America satellite moving system MSAT, Australian Satellite GSM Mobilesat systems；LEO
System has the advantages that propagation delay time is short, path loss is small, easily realizes Global coverage and avoid the crowded of stationary orbit, at present
Typical system has the systems such as Iridium, Globalstar, Teldest；MEO then has the excellent of two kinds of systems of GEO, LEO concurrently and lacked
Point, typical system have Odyssey, AMSC, INMARSMT-P system etc..In addition, also zonal satellite moving system, such as
The AMPT in Asia, the N-STAR of Japan, Brazilian ECO-8 systems etc..
Mobile communication technology has the characteristics that Global coverage, disposable less investment, maintenance cost are low, can realize to sea
The covering of the regional near seamless such as ocean, mountain area and plateau, therefore, day lead to No.1 except being met an urgent need when can be used for occurring natural calamity
Communication is outer, can also be widely used in each necks such as personal communication, sea transport, deep-sea fishing, air rescue, tourism scientific investigation
Domain, there is important field application value and commercial value.For example, fisherman at sea can be carried out with land or other marine ships
Contact, increase guarantee for personal safety；During personal airplane, can conveniently it surf the Net.
Its logical No.1 can also play very big effect in terms of individual application, and in the near future, we are in airplane
Can leads to the high speed data transfers service of No.1 by day during long-distance travel, easily carries out online working or and friend
Carry out wechat chat.
Voice broadcast method, the computer program of device and system for a kind of satellite communication that the embodiment of the present invention is provided
Product, including the computer-readable recording medium of program code is stored, the instruction that described program code includes can be used for performing
Method described in previous methods embodiment, specific implementation can be found in embodiment of the method, will not be repeated here.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of voice broadcast method of satellite communication, it is characterised in that methods described is applied to transmitting terminal, methods described bag
Include：
Receive the speech data of voice terminal collection；
The speech data is encoded according to the code rate of setting, generates vocoded data and the code rate pair
The speed mark answered；
According to the transmission form of short message business in satellite communication, deconsolidation process is carried out to the vocoded data, generation is treated
The multiple data blocks sent；Wherein, the data block include split after the vocoded data, the speed mark and
Sequence identification between multiple data blocks；
The data block is broadcasted into multiple receiving terminals to setting regions, so that the receiving terminal receives the data block
Afterwards, according to the sequence identification sequence data block, the data block after sequence is solved according to speed mark
Code, generates the speech data.
2. according to the method for claim 1, it is characterised in that the transmission lattice according to short message business in satellite communication
Formula, carries out deconsolidation process to the vocoded data, the step of generating multiple data blocks to be sent, including：
According to the transmission form of short message business in satellite communication, the vocoded data is splitted into multiple data blocks；Wherein,
In the transmission form of the short message business, each short message includes more page datas, includes four data blocks per page data；
Corresponding idle message is generated for each data block and per page data；Wherein, the idle message include control information and
Content information；The content information includes the vocoded data, speed mark, multiple data blocks or every number of pages
Sequence identification between.
3. according to the method for claim 2, it is characterised in that the content information includes identification division and content part；
The identification division includes speed mark and the sequence identification；The sequence identification include terminate frame identification, when
The initiating speech frame number of preceding page data, the speech frame quantity of current page data；
The content part includes the vocoded data.
4. according to the method for claim 1, it is characterised in that methods described also includes：The voice terminal is received to send
The speech data corresponding to broadcast area；Cell ID corresponding to the broadcast area is added in the data block；
The described the step of data block is broadcasted to multiple receiving terminals to setting regions, including：The data block is broadcasted
To the receiving terminal corresponding to the cell ID in cell.
5. a kind of voice broadcast method of satellite communication, it is characterised in that methods described is applied to receiving terminal, methods described bag
Include：
Multiple data blocks of receiving end/sending end broadcast；Wherein, the data block includes the vocoded data after splitting, speed
Sequence identification between mark and multiple data blocks；The data block is by the transmitting terminal according to short report in satellite communication
The transmission form of literary business, deconsolidation process is carried out to the vocoded data and generated；
According to the sequence identification sequence data block；
The data block after sequence is decoded according to speed mark, generates speech data.
6. a kind of voice broadcaster of satellite communication, it is characterised in that described device is arranged at transmitting terminal, described device bag
Include：
Speech data receiving module, for receiving the speech data of voice terminal collection；
Coding module, the speech data is encoded for the code rate according to setting, generation vocoded data and
Speed corresponding to the code rate identifies；
Module is split, for the transmission form according to short message business in satellite communication, the vocoded data is torn open
Office is managed, and generates multiple data blocks to be sent；Wherein, the data block include split after the vocoded data,
Sequence identification between the speed mark and multiple data blocks；
Broadcast module, for the data block to be broadcasted into multiple receiving terminals to setting regions, so that the receiving terminal receives
To after the data block, sorted the data block according to the sequence identification, according to speed mark to described in after sequence
Data block is decoded, and generates the speech data.
7. device according to claim 6, it is characterised in that described device also includes：Broadcast area receiving module, is used for
Receive broadcast area corresponding to the speech data that the voice terminal is sent；By cell ID corresponding to the broadcast area
Added in the data block；
The broadcast module is additionally operable to include：The data block is broadcasted to the reception corresponding to the cell ID in cell
End.
8. a kind of voice broadcaster of satellite communication, it is characterised in that described device is arranged at receiving terminal, described device bag
Include：
Data block reception module, multiple data blocks for receiving end/sending end broadcast；Wherein, the data block is included after splitting
Vocoded data, speed mark multiple data blocks between sequence identification；The data block passes through the transmission
End carries out deconsolidation process to the vocoded data and generated according to the transmission form of short message business in satellite communication；
Order module, for according to the sequence identification sequence data block；
Decoder module, for being decoded according to speed mark to the data block after sequence, generate speech data.
9. a kind of voice broadcast service system of satellite communication, it is characterised in that the system includes transmitting terminal and receiving terminal；
The transmitting terminal includes the device described in claim 6 or 7；The receiving terminal includes the device described in claim 8.
10. system according to claim 9, it is characterised in that the receiving terminal includes mobile earth station.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081247A (en) * | 2019-12-24 | 2020-04-28 | 腾讯科技（深圳）有限公司 | Method for speech recognition, terminal, server and computer-readable storage medium |
| CN114731334A (en) * | 2020-02-14 | 2022-07-08 | 华为技术有限公司 | Message order preserving method and device |
| CN116208268A (en) * | 2023-01-12 | 2023-06-02 | 深圳市科楠科技开发有限公司 | Method, device, equipment and storage medium for testing satellite broadcast receiving equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741507A (en) * | 2008-11-14 | 2010-06-16 | 华为技术有限公司 | Method and device for adjusting speech frame encoding mode |
| CN103346830A (en) * | 2013-07-03 | 2013-10-09 | 深圳中科智星通科技有限公司 | Voice transmission method and device based on Beidou satellite |
| CN106209204A (en) * | 2016-06-30 | 2016-12-07 | 广州润芯信息技术有限公司 | It is applied to voice transmission method and the system of Big Dipper generation satellite navigation system |
| CN106732581A (en) * | 2016-12-02 | 2017-05-31 | 北京工业大学 | A kind of Ru/CeTiO for low-temperature SCR reactionXThe preparation method of catalyst |
-
2017
- 2017-10-18 CN CN201710975551.3A patent/CN107769875B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741507A (en) * | 2008-11-14 | 2010-06-16 | 华为技术有限公司 | Method and device for adjusting speech frame encoding mode |
| CN103346830A (en) * | 2013-07-03 | 2013-10-09 | 深圳中科智星通科技有限公司 | Voice transmission method and device based on Beidou satellite |
| CN106209204A (en) * | 2016-06-30 | 2016-12-07 | 广州润芯信息技术有限公司 | It is applied to voice transmission method and the system of Big Dipper generation satellite navigation system |
| CN106732581A (en) * | 2016-12-02 | 2017-05-31 | 北京工业大学 | A kind of Ru/CeTiO for low-temperature SCR reactionXThe preparation method of catalyst |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081247A (en) * | 2019-12-24 | 2020-04-28 | 腾讯科技（深圳）有限公司 | Method for speech recognition, terminal, server and computer-readable storage medium |
| CN114731334A (en) * | 2020-02-14 | 2022-07-08 | 华为技术有限公司 | Message order preserving method and device |
| CN114731334B (en) * | 2020-02-14 | 2023-10-20 | 华为技术有限公司 | Message order preserving method and device |
| CN116208268A (en) * | 2023-01-12 | 2023-06-02 | 深圳市科楠科技开发有限公司 | Method, device, equipment and storage medium for testing satellite broadcast receiving equipment |
| CN116208268B (en) * | 2023-01-12 | 2024-02-13 | 深圳市科楠科技开发有限公司 | Method, device, equipment and storage medium for testing satellite broadcast receiving equipment |
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| CN107769875B (en) | 2019-10-25 |
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