CN106374991A - Method, device and system for performing data transmission by utilizing Beidou satellite - Google Patents
Method, device and system for performing data transmission by utilizing Beidou satellite Download PDFInfo
- Publication number
- CN106374991A CN106374991A CN201610751050.2A CN201610751050A CN106374991A CN 106374991 A CN106374991 A CN 106374991A CN 201610751050 A CN201610751050 A CN 201610751050A CN 106374991 A CN106374991 A CN 106374991A
- Authority
- CN
- China
- Prior art keywords
- data
- terminal
- big dipper
- voice call
- call terminal
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
- H04B7/18586—Arrangements for data transporting, e.g. for an end to end data transport or check
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a method, device and system for performing data transmission by utilizing a Beidou satellite, wherein the method comprises the following steps of: receiving data acquired by an intelligent terminal in real time by a Beidou data voice call terminal at a sending end, performing framing processing of the data, performing compressive quantizing processing of each frame of framed data according to the appointed coding rate so as to obtain a compressively quantized digital signal, and coding the digital signal so as to obtain a digital coding code stream; and multiplexing the digital coding code stream so as to obtain a bit stream, and sending a packaged bit stream group to the Beidou data voice call terminal at a receiving end corresponding to the corresponding receiving address of the intelligent terminal by the Beidou data voice call terminal through a Beidou channel according to an appointed communication protocol. By means of the method, device and system for performing data transmission by utilizing the Beidou satellite provided in the embodiment of the invention, transmission of information having relatively high data volume can be completed; and thus, the user experience is improved.
Description
Technical field
The present invention relates to Big Dipper technical field of information transmission, carry out data in particular to one kind using big-dipper satellite
The method of transmission, apparatus and system.
Background technology
At present, the Big Dipper information transmission technology is progressively becoming an important component part of the present information communications field,
The especially exclusive active location of Big Dipper rdss and short message special service, have contributed much in actual applications, but, just
It is the exclusive active location of Big Dipper rdss and short message special service, the contrary development constraining it, its most letter
Road resource all allows the transmission giving location navigation data, and the channel resource leaving communication for just consequently reduces, and result in it
The information transfer of little data amount can be completed so as to communication work(can not meet the needs of practical application, reduce the experience of user
Degree.
Channel resource for above-mentioned Beidou communication is less, can be only done the information transfer of little data amount, and then reduces
The problem of user experience, not yet proposes effective solution at present.
Content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of side carrying out data transmission using big-dipper satellite
Method, apparatus and system, can be carried out the information transfer of more data volume, improve user's by the channel resource of Beidou communication
Experience Degree.
In a first aspect, embodiments providing a kind of method carrying out data transmission using big-dipper satellite, comprising: send out
The data of the Big Dipper data-voice call terminal real-time reception intelligent terminal collection of sending end；Data includes: voice signal or image
Signal；Wherein, the Big Dipper data-voice call terminal of transmitting terminal is attached by wireless network with intelligent terminal；Transmitting terminal
Big Dipper data-voice call terminal carries out sub-frame processing to data, and according to specified code rate to the every frame data after framing
It is compressed quantification treatment, obtain compressing the digital signal after quantifying；The Big Dipper data-voice call terminal of transmitting terminal is to compression
Encoding digital signals after quantization, obtain digital coding code stream；The Big Dipper data-voice call terminal of transmitting terminal is by numeral
Encoding code stream carries out multiple connection, obtains bit stream；The Big Dipper data-voice call terminal of transmitting terminal will according to specified communication protocol
Bit stream is packed, and sends the bit stream groupings after packing through Big Dipper channel corresponding to reception address corresponding with intelligent terminal
The Big Dipper data-voice call terminal of receiving terminal.
In conjunction with a first aspect, embodiments providing the first possible embodiment of first aspect, wherein, send out
The Big Dipper data-voice call terminal of sending end carries out sub-frame processing to data and includes: the Big Dipper data-voice call terminal of transmitting terminal
By phonetic image encoding and decoding algorithm, sub-frame processing is carried out to data.
In conjunction with the first possible embodiment of first aspect, embodiments provide the second of first aspect
Possible embodiment, wherein, the Big Dipper data-voice call terminal of transmitting terminal passes through phonetic image encoding and decoding algorithm, to data
Carry out sub-frame processing to include: when data is for voice signal, the Big Dipper data-voice call terminal of transmitting terminal passes through voice coder solution
Code algorithm carries out sub-frame processing to voice signal；When data is for picture signal, the Big Dipper data-voice call terminal of transmitting terminal
Sub-frame processing is carried out to picture signal by jpeg2000 Image Compression Coding Algorithm.
In conjunction with the possible embodiment of the second of first aspect, embodiments provide first aspect the third
Possible embodiment, wherein, the code rate of above-mentioned phonetic image encoding and decoding algorithm includes: 0.3kb/s, 0.45kb/s or
0.6kb/s.
In conjunction with a first aspect, embodiments providing the 4th kind of possible embodiment of first aspect, wherein, on
Method of stating also includes: when data is for message signals, the Big Dipper data-voice call terminal of transmitting terminal is according to specified communication protocols
Message signals are sent to the Big Dipper data-voice call terminal of the corresponding receiving terminal in reception address corresponding with intelligent terminal by view.
Second aspect, embodiments provides the method that another kind is carried out data transmission using big-dipper satellite, comprising:
The Big Dipper data-voice call terminal of receiving terminal is conversed eventually according to the Big Dipper data-voice of specified communication protocol receiving end/sending end
Hold the packet sending by Big Dipper channel, wherein, above-mentioned packet carries the reception address of Intelligent target terminal；Receiving terminal
The Big Dipper data-voice call terminal framing and decoding process are carried out to packet, to the data that comprised of packet after processing
Carry out inverse quantization operation；The Big Dipper data-voice call terminal of receiving terminal carries out signal reconstruction behaviour to the data after inverse quantization operation
Make, obtain the data of packet, wherein, this data includes: voice signal or picture signal；The Big Dipper data-voice of receiving terminal leads to
Telephone terminal according to receive address by above-mentioned data is activation to Intelligent target terminal；Wherein, the Big Dipper data-voice call of receiving terminal
Terminal is attached by wireless network with Intelligent target terminal.
The third aspect, embodiments provides a kind of device carrying out data transmission using big-dipper satellite, comprising: number
According to receiver module, for the data of real-time reception intelligent terminal collection；This data includes: voice signal or picture signal；Wherein,
The Big Dipper data-voice call terminal of transmitting terminal is attached by wireless network with intelligent terminal；Data processing module, is used for
Data is carried out with sub-frame processing, and according to specified code rate, quantification treatment is compressed to the every frame data after framing, obtain
Digital signal after quantifying to compression；Digital signal encoding module, compiles for the described digital signal after compression is quantified
Code, obtains digital coding code stream；Digital coding code stream multiple connection module, for digital coding code stream is carried out multiple connection, obtains bit
Stream；Bit stream sending module, for bit stream being packed according to specified communication protocol, through Big Dipper channel by pack after bit
Flow packet transmission to the Big Dipper data-voice call terminal of the corresponding receiving terminal in intelligent terminal's corresponding reception address.
Fourth aspect, embodiments provides a kind of device carrying out data transmission using big-dipper satellite, comprising: number
According to bag receiver module, believed by the Big Dipper for the Big Dipper data-voice call terminal according to specified communication protocol receiving end/sending end
The packet that road sends, wherein, this packet carries the reception address of Intelligent target terminal；Processing data packets module, is used for
Framing and decoding process are carried out to above-mentioned packet, the data that the packet after processing is comprised carries out inverse quantization operation；Letter
Number rebuild module, for signal reconstruction operation is carried out to the data after inverse quantization operation, obtain the data of packet, wherein, number
According to inclusion: voice signal or picture signal；Data transmission blocks, for sending data to Intelligent target eventually according to reception address
End；Wherein, the Big Dipper data-voice call terminal of receiving terminal is attached by wireless network with Intelligent target terminal.
5th aspect, embodiments provides a kind of device carrying out data transmission using big-dipper satellite, comprising: the
One Big Dipper data-voice call terminal and the second Big Dipper data-voice call terminal, wherein, the first Big Dipper data-voice call is eventually
End includes the data transmission device described in the above-mentioned third aspect, and the second Big Dipper data-voice call terminal includes above-mentioned fourth aspect
Described data transmission device.
In conjunction with the 5th aspect, embodiments provide the first possible embodiment of the 5th aspect, wherein, on
State in the processor in the first Big Dipper data-voice call terminal and above-mentioned second Big Dipper data-voice call terminal and be provided with language
Sound image coding and decoding compression unit, for according to the phonetic image encoding and decoding algorithm being pre-configured with to receive speech data or figure
As data is processed.
The method being carried out data transmission using big-dipper satellite provided in an embodiment of the present invention, apparatus and system, by intelligence
The data that terminal real-time reception collects, and process is carried out to data obtain digital coding code stream, led to using Big Dipper data-voice
Telephone terminal sends digital coding code stream to target terminal user by big-dipper satellite, can complete language and the figure of larger data amount
As signal, improve the Experience Degree of user.
Further, receive, using Big Dipper data-voice call terminal, the digital coding code stream that big-dipper satellite forwards, and carry out
Framing and decoding process carry out inverse quantization operation, carry out signal reconstruction, obtain the data of digital coding code stream, and by intelligence eventually
End carries out normal play, substantially achieves sending and receiving in real time of signal, improves the Experience Degree of user.
For enabling the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment
Figure is briefly described it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows a kind of flow process of method carrying out data transmission using big-dipper satellite that the embodiment of the present invention is provided
Figure；
Fig. 2 shows the stream of the method that the another kind that the embodiment of the present invention is provided is carried out data transmission using big-dipper satellite
Cheng Tu；
Fig. 3 shows a kind of structure of device carrying out data transmission using big-dipper satellite that the embodiment of the present invention is provided
Schematic diagram；
Fig. 4 shows the knot of the device that the another kind that the embodiment of the present invention is provided is carried out data transmission using big-dipper satellite
Structure schematic diagram；
Fig. 5 shows a kind of structure of system carrying out data transmission using big-dipper satellite that the embodiment of the present invention is provided
Block diagram；
Fig. 6 shows a kind of structural representation of Big Dipper data-voice call terminal that the embodiment of the present invention is provided.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
Middle accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment only
It is a part of embodiment of the present invention, rather than whole embodiments.The present invention generally described and illustrated in accompanying drawing herein is real
The assembly applying example can be arranged with various different configurations and design.Therefore, below to the present invention's providing in the accompanying drawings
The detailed description of embodiment is not intended to limit the scope of claimed invention, but is merely representative of the selected reality of the present invention
Apply example.Based on embodiments of the invention, the institute that those skilled in the art are obtained on the premise of not making creative work
There is other embodiment, broadly fall into the scope of protection of the invention.
Channel resource in view of Beidou communication is less, can be only done the information transfer of little data amount, and then reduces use
The problem of family Experience Degree, embodiments provide the method being carried out data transmission using big-dipper satellite, apparatus and system with
Complete the information transfer of more data volume.
For the ease of understanding to the present embodiment, first big-dipper satellite is utilized to the one kind disclosed in the embodiment of the present invention
The method carrying out data transmission describes in detail, is described below by embodiment.
Embodiment 1
A kind of flow chart of method being carried out data transmission using big-dipper satellite shown in Figure 1, the method can be
The Big Dipper data-voice call terminal of transmitting terminal is realized, and comprises the steps:
Step s102, the data of the Big Dipper data-voice call terminal real-time reception intelligent terminal collection of transmitting terminal；This number
According to inclusion: voice signal or picture signal；
Wherein, the Big Dipper data-voice call terminal of transmitting terminal is attached by wireless network with intelligent terminal, and intelligence
Terminal can include smart mobile phone, panel computer, Wearable mobile terminal etc., word, voice, pictorial information etc. can be gathered
Data, and pass through wireless network, such as wifi etc., using suitable communication protocol, such as ieee802.11g agreement, with the Big Dipper
Data-voice call terminal is attached, and when implementing, user can use the microphone of smart mobile phone or shooting first-class, adopts
The data messages such as collection word, voice, pictorial information, are transferred to Big Dipper data-voice call terminal by wifi.
Step s104, the Big Dipper data-voice call terminal of transmitting terminal carries out sub-frame processing to data, and according to specified
Code rate is compressed quantification treatment to the every frame data after framing, obtains compressing the digital signal after quantifying；
Above-mentioned sub-frame processing process, in actual realization, is to pass through language by the Big Dipper data-voice call terminal of transmitting terminal
Sound image coding and decoding algorithm, carries out sub-frame processing to data；Specifically, when data is for voice signal, the Big Dipper number of transmitting terminal
By voice coding/decoding algorithms, sub-frame processing is carried out to voice signal according to voice call terminal；When data is for picture signal, send out
The Big Dipper data-voice call terminal of sending end carries out sub-frame processing by jpeg2000 Image Compression Coding Algorithm to picture signal；
Wherein, the code rate of phonetic image encoding and decoding algorithm includes: 0.3kb/s, 0.45kb/s or 0.6kb/s.
Step s106, the Big Dipper data-voice call terminal of transmitting terminal compression is quantified after encoding digital signals,
Obtain digital coding code stream；
Step s108, digital coding code stream is carried out multiple connection by the Big Dipper data-voice call terminal of transmitting terminal, obtains bit
Stream；Complete the process of the digital signal converting the data into suitable Big Dipper transmission.
Step s110, bit stream is packed by the Big Dipper data-voice call terminal of transmitting terminal according to specified communication protocol,
Through Big Dipper channel, the bit stream groupings after packing are sent to the north of the corresponding receiving terminal in reception address corresponding with intelligent terminal
Bucket data-voice call terminal.
Wherein, above-mentioned communication protocol can have multiple, comprising: tcp/ip agreement, ipx/spx agreement etc., when implementing,
Can be configured according to practical situation, the embodiment of the present invention is not limited to this.Meanwhile, user can also set according to demand
Put the reception address of Big Dipper card number corresponding with intelligent terminal, delivered a packet to by the rdss of big-dipper satellite and receive ground
The Big Dipper data-voice call terminal of the corresponding receiving terminal in location, when implementing, above-mentioned steps s110 may include that transmitting terminal
Big Dipper data-voice call terminal is wrapped flag transmission packet header, packet is led to according to agreement, the bitstream data after packing
Cross Big Dipper transmission to the Big Dipper data-voice call terminal with the corresponding receiving terminal in reception address.
The method being carried out data transmission using big-dipper satellite provided in an embodiment of the present invention, by intelligent terminal's real-time reception
The data collecting, carries out process using the Big Dipper data-voice call terminal of transmitting terminal to data and obtains bit stream, and carry out
Packing is processed, and is transmitted, by big-dipper satellite, the data processing of packing, can complete language and the image of larger data amount
The transmission work of signal, improves the Experience Degree of user.
When implementing, said method also includes: when data is for message signals, the Big Dipper data-voice call of transmitting terminal
Message signals are sent to the north of the corresponding receiving terminal in intelligent terminal's corresponding reception address by terminal according to specified communication protocol
Bucket data-voice call terminal, that is, for message information, can be directly transmitted by Big Dipper data-voice call terminal, at most
The long message transmission up to 5000 words can be supported.
Above-mentioned Big Dipper data-voice call terminal is with Big Dipper frequent rdss (radio determination
Satellite service, radiodetermination-satellite service) message communication, and support Big Dipper rnss (radio navigation
Satellite system, radionavigation-satellite service) the setting of passive location and Big Dipper codec rate function of voice communication
Standby, in actual motion, by user, its parameter can also be configured, wherein, the preferred parameter index of Big Dipper rdss is:
1) head catches the time: less than 30 seconds；
2) losing lock capture time: less than 5 second；
3) communication, position success rate: >=95%；
4) transmission power: 10w.
The preferred parameter index of Big Dipper rnss is:
1) cold start-up acquisition sensitivity: -148dbm；
2) tracking sensitivity: -160dbm；
3) the cold start-up time: < 32s (open ground)；
4) the thermal starting time: < 1s (open ground)；
5) positioning precision:
Gps:3m (cep50%, open ground),
Bds:3m (cep50%, open ground).
The phonetic image encoding and decoding algorithm that above-described embodiment is related to belongs to ultralow code rate algorithm, and minimum code rate is
300bps, picture maximum compression ratio is 48 times.Launch equipment using this algorithm and the frequent Big Dipper, can efficiently complete to utilize the Big Dipper
This kind of narrow band channel carries out sending and receiving of speech data.
Wherein, the voice coding/decoding algorithms in above-mentioned phonetic image encoding and decoding algorithm, the technology of employing is based on low rate
Realization of Vocoder, this vocoder can make voice noise reduce, definition improves.And processed by internal optimization,
Speech compression rate can be reached 300b/s, corresponding voice latency is limited in 200ms.So low rate vocoder is wide
It is preferable that its major technique work(on the private communication facility that the general military affairs being applied to low rate coding, public security etc. are used
Energy index and parameter are:
1) reconstructed speech quality (static audio quality), with itu-t, p.862pesq objective mos divides evaluation and test,
Tested speech mix1.pcm～mix4.pcm, average mos:
a)0.3kb/s≥2.45
b)0.45kb/s≥2.6
c)0.6kb/s≥2.7
2) speech of voice coding/decoding algorithms postpones (audio delay):
A) 0.3kb/s:200ms
B) 0.45kb/s:160ms
C) 0.6kb/s:120ms
3) robustness (robustness) of voice coding/decoding algorithms:
A) when there being 1% random error in encoding code stream, reconstructed speech keeps understanding；
B) when there being 5% random frame losing in encoding code stream, reconstructed speech keeps understanding.
Jpeg2000 Image Compression Coding Algorithm in above-mentioned phonetic image encoding and decoding algorithm is it is preferable that its major technique
Functional parameter and parameter are:
1) compression ratio: 1/48；
2) transmission means: framing transmission；
3) equivalent bandwidth: 19kb.
It should be understood that above-mentioned major technique functional parameter and parameter are selection indicators and the parameter of the embodiment of the present invention, tool
When body is realized, can be configured according to practical situation by user, the embodiment of the present invention is not limited to this.
Embodiment 2
In order to illustrate in greater detail the method carrying out data transmission using big-dipper satellite that foregoing invention embodiment is provided,
Present embodiments provide the method that another kind is carried out data transmission using big-dipper satellite, the method can be in the Big Dipper number of receiving terminal
Realize according to voice call terminal, the flow chart of the method that another kind shown in Figure 2 is carried out data transmission using big-dipper satellite,
The method comprises the steps:
Step s202, the Big Dipper data-voice call terminal of receiving terminal is according to the north of specified communication protocol receiving end/sending end
The packet that bucket data-voice call terminal is sent by Big Dipper channel；
Wherein, above-mentioned packet carries the reception address of Intelligent target terminal, the Big Dipper data-voice call of receiving terminal
Terminal checks the transmission bag of Big Dipper data-voice call terminal labelling on packet of transmitting terminal according to specified communication protocol
Head, when check errorless after, carry out remaining bag number benefit pass, and connect packet is carried out splicing group bag process.
Step s204, the Big Dipper data-voice call terminal of receiving terminal carries out framing and decoding process to packet, to place
The data that packet after reason is comprised carries out inverse quantization operation；
Step s206, the Big Dipper data-voice call terminal of receiving terminal carries out signal reconstruction to the data after inverse quantization operation
Operation, obtains the data of packet；Wherein, described data includes: voice signal or picture signal.
Step s208, the Big Dipper data-voice call terminal of receiving terminal sends data to Intelligent target according to receiving address
Terminal.
Wherein, the Big Dipper data-voice call terminal of receiving terminal is attached by wireless network with Intelligent target terminal,
And Intelligent target terminal can include smart mobile phone, panel computer, Wearable mobile terminal etc., wireless network, example can be passed through
As wifi etc., using suitable communication protocol, such as ieee802.11g agreement, converse eventually with the Big Dipper data-voice of receiving terminal
End is attached, and after receiving voice signal or picture signal, Intelligent target terminal can be played out using business software
Voice or display picture, word etc., complete the work of data transfer.
The method being carried out data transmission using big-dipper satellite provided in an embodiment of the present invention, using the Big Dipper data of receiving terminal
Voice call terminal receives the packet that Big Dipper channel sends, and carries out framing and decoding process and inverse quantization operation, carries out letter
Number rebuild, obtain the corresponding data of packet, can in Intelligent target terminal normal play it is achieved that the transmission of signal and connecing
Receive, improve the Experience Degree of user.
Embodiment 3
Corresponding to a kind of method being carried out data transmission using big-dipper satellite provided in above-described embodiment 1, the present invention
Embodiment provides a kind of device carrying out data transmission using big-dipper satellite, and this device can be arranged at the Big Dipper number of transmitting terminal
According in voice call terminal, a kind of structural representation of device being carried out data transmission using big-dipper satellite shown in Figure 3,
This device includes with lower module:
Data reception module 30, for the data of real-time reception intelligent terminal collection；Data includes: voice signal or image
Signal；Wherein, the Big Dipper data-voice call terminal of transmitting terminal is attached by wireless network with described intelligent terminal, example
As wifi network etc.；
Data processing module 32, the data for receiving to above-mentioned data reception module 30 carries out sub-frame processing, and according to
The code rate specified is compressed quantification treatment to the every frame data after framing, obtains compressing the digital signal after quantifying；Its
In it is intended that code rate may include that 0.3kb/s, 0.45kb/s or 0.6kb/s.
Digital signal encoding module 34, for the encoding digital signals after compression is quantified, obtains digital coding code
Stream；
Digital coding code stream multiple connection module 36, for above-mentioned digital coding code stream is carried out multiple connection, obtains bit stream；
Bit stream sending module 38, for bit stream being packed according to specified communication protocol, will pack through Big Dipper channel
Bit stream groupings afterwards send to the Big Dipper data-voice call terminal of the corresponding receiving terminal in intelligent terminal's corresponding reception address.
For convenience and simplicity of description, the device of embodiment of the present invention description, its specific work process, may be referred to aforementioned
Corresponding process in embodiment of the method 1, will not be described here.
The device being carried out data transmission using big-dipper satellite provided in an embodiment of the present invention, is received by data reception module
Intelligent terminal collection data, and data is compressed quantify and coded treatment realize data to the conversion of digital signal, can
To be transmitted the big data such as long message, voice, image, and send data to the Big Dipper number of receiving terminal using big-dipper satellite
According to voice call terminal, the information transfer of more data volume can be completed, improve the Experience Degree of user.
Embodiment 4
The method being carried out data transmission using big-dipper satellite corresponding to the another kind provided in above-described embodiment 2, this
Bright embodiment provides the device that another kind is carried out data transmission using big-dipper satellite, and this device can be arranged at the north of receiving terminal
On bucket data-voice call terminal, the structure of the device that another kind shown in Figure 4 is carried out data transmission using big-dipper satellite
Schematic diagram, this device includes with lower module:
Packet-receiving module 40, converses eventually for the Big Dipper data-voice according to specified communication protocol receiving end/sending end
Hold the packet sending by Big Dipper channel, wherein, packet carries the reception address of Intelligent target terminal；
Processing data packets module 42, the packet for receiving to above-mentioned packet-receiving module 40 carries out framing and decoding
Process, the data that the packet after processing is comprised carries out inverse quantization operation；
Signal reconstruction module 44, for carrying out signal reconstruction operation to the data after inverse quantization operation, obtains packet
Data, wherein, data includes: voice signal or picture signal；
Data transmission blocks 46, for sending data to Intelligent target terminal according to reception address；Wherein, receiving terminal
Big Dipper data-voice call terminal and Intelligent target terminal are attached by wireless network, and Intelligent target terminal can include
Smart mobile phone, panel computer, Wearable mobile terminal etc., smart mobile phone passes through wifi network and reception taking smart mobile phone as a example
The Big Dipper data-voice call terminal at end connects, after mobile phone end receives voice signal or picture signal, it is possible to use
Business software plays out voice or display picture, word etc., completes the work of data transfer.
For convenience and simplicity of description, the device of embodiment of the present invention description, its specific work process, may be referred to aforementioned
Corresponding process in embodiment of the method 2, will not be described here.
The device being carried out data transmission using big-dipper satellite provided in an embodiment of the present invention, is connect using packet-receiving module
Receive the packet that big-dipper satellite forwards, framing and decoding process and inverse quantization operation are carried out to packet, carries out signal reconstruction, obtain
To the corresponding data of packet, and send data to Intelligent target terminal, be that data can be carried out in Intelligent target terminal
Play it is achieved that sending and receiving of data, improve the Experience Degree of user.
Embodiment 5
More clear in order to be provided the method and apparatus carrying out data transmission using big-dipper satellite to carry out to above-described embodiment
Chu, it is fully described by, embodiments provide a kind of system carrying out data transmission using big-dipper satellite, comprising: first
Big Dipper data-voice call terminal and the second Big Dipper data-voice call terminal, wherein, the first Big Dipper data-voice call terminal
Including the described device of embodiment 3, the second Big Dipper data-voice call terminal includes the device described in embodiment 4, further,
It is provided with voice in processor in this first Big Dipper data-voice call terminal and this second Big Dipper data-voice call terminal
Image coding and decoding compression unit, for according to the phonetic image encoding and decoding algorithm being pre-configured with to receive speech data or image
Data is processed.
Further, this system also includes the intelligent terminal of transmitting terminal and the Intelligent target terminal of receiving terminal, wherein, transmitting
The intelligent terminal at end is connected, receiving terminal by wireless network (for example: wifi network) with the first Big Dipper data-voice call terminal
Intelligent target terminal be connected by wireless network (for example: wifi network) with the second Big Dipper data-voice call terminal, and, intelligence
Energy terminal and Intelligent target terminal can be smart mobile phone, panel computer, Wearable mobile terminal etc..One kind as shown in Figure 5
The structured flowchart of the system being carried out data transmission using big-dipper satellite, wherein, above-mentioned intelligent terminal and Intelligent target terminal are preferred
For smart mobile phone, and pass through wifi network and the first Big Dipper data-voice call terminal and the call of the second Big Dipper data-voice respectively
Terminal connects, and the present embodiment illustrates taking this system transfers voice signal as a example, comprises the steps:
(1) voice signal of the smart mobile phone collection of transmitting terminal, and sent voice signal to first by wifi network
Big Dipper data-voice call terminal；
(2) first Big Dipper data-voice call terminals carry out sub-frame processing to voice signal, and according to specified coding speed
Rate is compressed quantification treatment to the every frame data after framing, obtains compressing the digital signal after quantifying；
Specifically, the process for voice signal also includes: voice signal is carried out after sub-frame processing, in every frame time
By speech sample sampling point (about 160 sampling points) being analyzed, being estimated using linear forecasting technology, extract speech model ginseng
Number, wherein, speech model parameter includes: represents 10 rank predictive coefficients (lsf), the prediction nuisance parameter of voice spectrum envelope
(exeitation), the subband whether the pitch period parameter (pitch) of vibration frequency of vocal band, vocal cords vibrate clear/turbid (u/v) sound
Parameter, energy parameter (gain)；Then according still further to the code rate requiring, parameter is compressed encode；Last encoding code stream
Multiple connection forms the bit stream of 8*16 position, is transmitted with being suitable for Big Dipper signal.
Bit stream is packed by (3) first Big Dipper data-voice call terminals according to specified communication protocol, through big-dipper satellite
Packet transmission is to the second Big Dipper data-voice call terminal；
Wherein, user can arrange the Big Dipper card number of the second Big Dipper data-voice call terminal according to demand, that is, set
Receive address, to complete data transfer.
The data packet head that (4) second Big Dipper data-voice call terminals are packed according to above-mentioned communication protocol inspection, confirms no
After by mistake, the benefit carrying out remaining bag number passes, and splices group bag, completes to receive；
(5) second Big Dipper data-voice call terminals carry out sub-frame processing to the packet receiving, and then decode, inverse
Change, reconstructed speech parameter, and statistical analysiss are carried out to speech model parameter, whether checking parameter is reasonable, thus remove channel passing
Measurement shoutage is wrong, eventually passes linear filtering, obtains the voice signal synthesizing；
(6) voice signal obtaining step (5) is sent to Intelligent target terminal by wifi network, i.e. smart mobile phone,
Allow users to using the player of smart mobile phone, voice signal be played out.
Specifically, when the 8s voice that above-mentioned voice signal is 128kb, its size of data is 16bit × 8khz × 8s, warp
Voice coding/decoding algorithms are processed, and the compression speed according to 0.3kb/s calculates, and the file size after 8 seconds compress speech is
2.4kbit, the transfer rate according to the Big Dipper channel of Big Dipper data-voice call terminal is about 78b/min (628bit) and calculates,
Data transfer just can be finished by about 4 minutes (2.4kbit/628bit), improve user and led to using Big Dipper data-voice
The Experience Degree that telephone terminal is communicated.
The system being carried out data transmission using big-dipper satellite provided in an embodiment of the present invention, is conversed by Big Dipper data-voice
Terminal is interacted with intelligent terminal's, using phonetic image encoding and decoding algorithm, data is processed it is achieved that to long message, language
The big data such as sound and image is transmitted, and improves the Experience Degree of user.
Further, the above-mentioned system being carried out data transmission using big-dipper satellite, during carrying out data transmission, is not used
Take office the signal of what covered ground, e.g., movable signal etc., it is particularly suitable for applications in rescue and relief work, field exploration and ocean
The area of activities such as the monitoring of some special data values, allow users to rely on big-dipper satellite to be communicated, outwardly send similar
In SMS it is possible to submit the information such as oneself position, state to using Beidou satellite navigation system it is achieved that no public
The demand that the region of net is communicated.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, may be referred to the corresponding process in preceding method embodiment, will not be described here.
The structural representation of the Big Dipper data-voice call terminal being related in a kind of above-described embodiment shown in Fig. 6, its
In, this Big Dipper data-voice call terminal is connected by wifi network with intelligent terminal, comprising: information process unit, the Big Dipper
Rdss unit, Big Dipper rnss unit, Multiplexing Unit, ic unit and power splitter.
Information process unit also includes mcu unit and phonetic image codec unit, wherein phonetic image codec unit
The voice signal or picture signal receiving is processed, and the signal after processing is passed to mcu unit, mcu unit is used for
With Big Dipper rdss unit, Big Dipper rnss unit and external equipment, serial communication is carried out by serial port module；The antenna of power splitter
For rdss/l1 antenna (power amplifier of containing lna), Big Dipper rdss unit is carried out data transmission with big-dipper satellite by power splitter, Ke Yijie
Receive Big Dipper satellite signal, with positioning and communication function, for the transmitting-receiving behaviour of voice signal, message signals or picture signal
Make, be connected with a/d module and d/a module using Big Dipper frequency-variable module, realize conversion and the transmission of data, wherein, Big Dipper rdss
Unit also includes transmission channel and 6 channel reception treatment channel, to realize carrying out data exchange with mcu unit；Big Dipper rnss is mono-
Unit is for passive location operation, and positional information is sent to described mcu unit；Multiplexing Unit passes through the i/o control pipe of base band
Foot carries out logic gating to multiplexing chip, realizes the expansion of multi-user, can support 32 users (1 receives 31) id timesharing simultaneously
Send the communication information, including message, voice and image etc., substantially increase communication frequency, meet mass data transmission；Ic unit
For accepting ic card, realize the transmitting-receiving of Big Dipper information.
A kind of method being carried out data transmission using big-dipper satellite that the embodiment of the present invention is provided, the meter of apparatus and system
Calculation machine program product, including the computer-readable recording medium storing program code, the instruction that described program code includes can
For executing the method described in previous methods embodiment, implement and can be found in embodiment of the method, will not be described here.
If described function realized using in the form of SFU software functional unit and as independent production marketing or use when, permissible
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
Partly being embodied in the form of software product of part that prior art is contributed or this technical scheme, this meter
Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) execution each embodiment methods described of the present invention all or part of step.
And aforesaid storage medium includes: u disk, portable hard drive, read only memory (rom, read-only memory), random access memory are deposited
Reservoir (ram, random access memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.
Claims (10)
1. a kind of method being carried out data transmission using big-dipper satellite is it is characterised in that include:
The data of the Big Dipper data-voice call terminal real-time reception intelligent terminal collection of transmitting terminal；Described data includes: voice
Signal or picture signal；Wherein, the Big Dipper data-voice call terminal of described transmitting terminal and described intelligent terminal pass through wireless network
Network is attached；
The Big Dipper data-voice call terminal of described transmitting terminal carries out sub-frame processing to described data, and according to specified coding speed
Rate is compressed quantification treatment to the every frame data after framing, obtains compressing the digital signal after quantifying；
The Big Dipper data-voice call terminal of described transmitting terminal, to the described encoding digital signals after compression quantization, is counted
Word encoding code stream；
Described digital coding code stream is carried out multiple connection by the Big Dipper data-voice call terminal of described transmitting terminal, obtains bit stream；
Described bit stream is packed, through the Big Dipper by the Big Dipper data-voice call terminal of described transmitting terminal according to specified communication protocol
Channel sends the bit stream groupings after packing to the Big Dipper of the corresponding receiving terminal in reception address corresponding with described intelligent terminal
Data-voice call terminal.
2. method according to claim 1 is it is characterised in that the Big Dipper data-voice call terminal of described transmitting terminal is to institute
State data and carry out sub-frame processing and include:
The Big Dipper data-voice call terminal of described transmitting terminal passes through phonetic image encoding and decoding algorithm, carries out framing to described data
Process.
3. method according to claim 2 is it is characterised in that the Big Dipper data-voice call terminal of described transmitting terminal passes through
Phonetic image encoding and decoding algorithm, carries out sub-frame processing to described data and includes:
When described data is voice signal, the Big Dipper data-voice call terminal of described transmitting terminal passes through voice coding/decoding algorithms
Sub-frame processing is carried out to described voice signal；
When described data is picture signal, the Big Dipper data-voice call terminal of described transmitting terminal passes through jpeg2000 image pressure
Contracting encryption algorithm carries out sub-frame processing to described image signal.
4. method according to claim 3 is it is characterised in that the code rate bag of described phonetic image encoding and decoding algorithm
Include: 0.3kb/s, 0.45kb/s or 0.6kb/s.
5. method according to claim 1 is it is characterised in that methods described also includes:
When described data is message signals, the Big Dipper data-voice call terminal of described transmitting terminal is according to the described communication specified
Described message signals are sent to the Big Dipper data language of the corresponding receiving terminal in reception address corresponding with described intelligent terminal by agreement
Sound call terminal.
6. a kind of method being carried out data transmission using big-dipper satellite is it is characterised in that include:
The Big Dipper data-voice call terminal of receiving terminal leads to according to the Big Dipper data-voice of specified communication protocol receiving end/sending end
The packet that telephone terminal is sent by Big Dipper channel, wherein, described packet carries the reception address of Intelligent target terminal；
The Big Dipper data-voice call terminal of described receiving terminal carries out framing and decoding process to described packet, after processing
The data that described packet is comprised carries out inverse quantization operation；
The Big Dipper data-voice call terminal of described receiving terminal carries out signal reconstruction operation to the data after inverse quantization operation, obtains
The data of described packet, wherein, described data includes: voice signal or picture signal；
The Big Dipper data-voice call terminal of described receiving terminal according to described reception address by described data is activation to described target
Intelligent terminal；Wherein, the Big Dipper data-voice call terminal of described receiving terminal and described Intelligent target terminal pass through wireless network
It is attached.
7. a kind of device being carried out data transmission using big-dipper satellite is it is characterised in that include:
Data reception module, for the data of real-time reception intelligent terminal collection；Described data includes: voice signal or image letter
Number；Wherein, the Big Dipper data-voice call terminal of described transmitting terminal is attached by wireless network with described intelligent terminal；
Data processing module, for carrying out sub-frame processing to described data, and according to specified code rate to every after framing
Frame data are compressed quantification treatment, obtain compressing the digital signal after quantifying；
Digital signal encoding module, for the described encoding digital signals after compression is quantified, obtains digital coding code stream；
Digital coding code stream multiple connection module, for described digital coding code stream is carried out multiple connection, obtains bit stream；
Bit stream sending module, for described bit stream being packed according to specified communication protocol, after packing through Big Dipper channel
Bit stream groupings send to the corresponding receiving terminal in reception address corresponding with described intelligent terminal the Big Dipper data-voice call
Terminal.
8. a kind of device being carried out data transmission using big-dipper satellite is it is characterised in that include:
Packet-receiving module, passes through for the Big Dipper data-voice call terminal according to specified communication protocol receiving end/sending end
The packet that Big Dipper channel sends, wherein, described packet carries the reception address of Intelligent target terminal；
Processing data packets module, for carrying out framing and decoding process to described packet, to the described packet institute after processing
The data comprising carries out inverse quantization operation；
Signal reconstruction module, for carrying out signal reconstruction operation to the data after inverse quantization operation, obtains the number of described packet
According to wherein, described data includes: voice signal or picture signal；
Data transmission blocks, for according to described reception address by described data is activation to described Intelligent target terminal；Wherein, institute
State the Big Dipper data-voice call terminal of receiving terminal and described Intelligent target terminal is attached by wireless network.
9. a kind of system being carried out data transmission using big-dipper satellite is it is characterised in that include:
First Big Dipper data-voice call terminal and the second Big Dipper data-voice call terminal；
Wherein, described first Big Dipper data-voice call terminal includes the device described in claim 8, described second Big Dipper data
Voice call terminal includes the device described in claim 9.
10. according to claim 9 system it is characterised in that described first Big Dipper data-voice call terminal and described
It is provided with phonetic image codec compression unit, for according to joining in advance in processor in two Big Dipper data-voice call terminals
The phonetic image encoding and decoding algorithm put is processed to the speech data receiving or view data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610751050.2A CN106374991A (en) | 2016-08-29 | 2016-08-29 | Method, device and system for performing data transmission by utilizing Beidou satellite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610751050.2A CN106374991A (en) | 2016-08-29 | 2016-08-29 | Method, device and system for performing data transmission by utilizing Beidou satellite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106374991A true CN106374991A (en) | 2017-02-01 |
Family
ID=57903480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610751050.2A Pending CN106374991A (en) | 2016-08-29 | 2016-08-29 | Method, device and system for performing data transmission by utilizing Beidou satellite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106374991A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276659A (en) * | 2017-06-12 | 2017-10-20 | 深圳市沃特沃德股份有限公司 | Voice talkback method and device and mobile terminal |
| CN108183743A (en) * | 2017-12-28 | 2018-06-19 | 江苏星宇芯联电子科技有限公司 | The Beidou communication system for being used for transmission voice, picture based on soft compressed encoding |
| CN110011723A (en) * | 2019-04-15 | 2019-07-12 | 河南大华安防科技股份有限公司 | A kind of short message image stepping transmission method based on the alarm of one key of Beidou |
| CN111934742A (en) * | 2020-07-03 | 2020-11-13 | 南京天际砺剑科技有限公司 | Multi-constellation multi-frequency combination high-precision satellite communication terminal |
| CN113658578A (en) * | 2021-08-16 | 2021-11-16 | 广东省林业科学研究院 | Method for combining voice after Beidou short message fragment transmission |
| CN113691305A (en) * | 2021-10-26 | 2021-11-23 | 武汉兴图新科电子股份有限公司 | Cloud-edge-end-based picture transmission method for Beidou third-number short message channel |
| CN117614514A (en) * | 2023-11-27 | 2024-02-27 | 中国人民解放军军事科学院系统工程研究院 | IP multiplexing compression method and device based on satellite communication |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080212517A1 (en) * | 2005-10-28 | 2008-09-04 | Viasat, Inc. | Quality of service enhancements for adaptive coding and modulation |
| CN102075229A (en) * | 2010-12-07 | 2011-05-25 | 北京慧达天成信息技术有限公司 | Beidou satellite-based transparent data transmission device |
| CN102769490A (en) * | 2011-05-05 | 2012-11-07 | 中国科学院国家天文台 | Satellite mobile voice communication system with extra-low speed |
| 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 |
| CN205071021U (en) * | 2015-09-18 | 2016-03-02 | 中央民族大学 | Full duplex multiple access instant messaging terminal based on big dipper short message |
| CN105450289A (en) * | 2015-11-16 | 2016-03-30 | 云南财经大学 | Multichannel Beidou satellite communication method |
| CN205265758U (en) * | 2016-01-05 | 2016-05-25 | 山东省计算中心（国家超级计算济南中心） | Speech communication terminal based on big dipper satellite |
| CN105682020A (en) * | 2015-12-30 | 2016-06-15 | 北斗导航位置服务（北京）有限公司 | Beidou emergency call method and system |
-
2016
- 2016-08-29 CN CN201610751050.2A patent/CN106374991A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080212517A1 (en) * | 2005-10-28 | 2008-09-04 | Viasat, Inc. | Quality of service enhancements for adaptive coding and modulation |
| CN102075229A (en) * | 2010-12-07 | 2011-05-25 | 北京慧达天成信息技术有限公司 | Beidou satellite-based transparent data transmission device |
| CN102769490A (en) * | 2011-05-05 | 2012-11-07 | 中国科学院国家天文台 | Satellite mobile voice communication system with extra-low speed |
| 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 |
| CN103346830B (en) * | 2013-07-03 | 2016-05-11 | 深圳中科智星通科技有限公司 | Voice transmission method based on big-dipper satellite and device |
| CN205071021U (en) * | 2015-09-18 | 2016-03-02 | 中央民族大学 | Full duplex multiple access instant messaging terminal based on big dipper short message |
| CN105450289A (en) * | 2015-11-16 | 2016-03-30 | 云南财经大学 | Multichannel Beidou satellite communication method |
| CN105682020A (en) * | 2015-12-30 | 2016-06-15 | 北斗导航位置服务（北京）有限公司 | Beidou emergency call method and system |
| CN205265758U (en) * | 2016-01-05 | 2016-05-25 | 山东省计算中心（国家超级计算济南中心） | Speech communication terminal based on big dipper satellite |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018227854A1 (en) * | 2017-06-12 | 2018-12-20 | 深圳市沃特沃德股份有限公司 | Speech talkback method and apparatus, and mobile terminal |
| CN107276659B (en) * | 2017-06-12 | 2020-10-09 | 深圳市沃特沃德股份有限公司 | Voice talkback method and device and mobile terminal |
| CN107276659A (en) * | 2017-06-12 | 2017-10-20 | 深圳市沃特沃德股份有限公司 | Voice talkback method and device and mobile terminal |
| CN108183743B (en) * | 2017-12-28 | 2023-12-08 | 江苏星宇芯联电子科技有限公司 | Beidou communication system for transmitting voice and pictures based on soft compression coding |
| CN108183743A (en) * | 2017-12-28 | 2018-06-19 | 江苏星宇芯联电子科技有限公司 | The Beidou communication system for being used for transmission voice, picture based on soft compressed encoding |
| CN110011723A (en) * | 2019-04-15 | 2019-07-12 | 河南大华安防科技股份有限公司 | A kind of short message image stepping transmission method based on the alarm of one key of Beidou |
| CN111934742A (en) * | 2020-07-03 | 2020-11-13 | 南京天际砺剑科技有限公司 | Multi-constellation multi-frequency combination high-precision satellite communication terminal |
| CN113658578A (en) * | 2021-08-16 | 2021-11-16 | 广东省林业科学研究院 | Method for combining voice after Beidou short message fragment transmission |
| CN113658578B (en) * | 2021-08-16 | 2023-09-15 | 广东省林业科学研究院 | Method for combining voice after Beidou short message fragment transmission |
| CN113691305B (en) * | 2021-10-26 | 2022-02-11 | 武汉兴图新科电子股份有限公司 | Cloud-edge-end-based picture transmission method for Beidou third-number short message channel |
| CN113691305A (en) * | 2021-10-26 | 2021-11-23 | 武汉兴图新科电子股份有限公司 | Cloud-edge-end-based picture transmission method for Beidou third-number short message channel |
| CN117614514A (en) * | 2023-11-27 | 2024-02-27 | 中国人民解放军军事科学院系统工程研究院 | IP multiplexing compression method and device based on satellite communication |
| CN117614514B (en) * | 2023-11-27 | 2024-05-17 | 中国人民解放军军事科学院系统工程研究院 | IP multiplexing compression method and device based on satellite communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106374991A (en) | Method, device and system for performing data transmission by utilizing Beidou satellite | |
| CN106537831B (en) | The system and method for packet transmitting Fault recovery based on redundancy | |
| FI119533B (en) | Coding of audio signals | |
| CN106463136B (en) | Time gain adjustment based on high-frequency band signals feature | |
| CN103109321B (en) | Estimating a pitch lag | |
| CN104054125B (en) | Devices for redundant frame coding and decoding | |
| RU2434333C2 (en) | Apparatus and method of transmitting sequence of data packets and decoder and apparatus for recognising sequence of data packets | |
| CN108847248B (en) | Bluetooth device audio processing method, system, readable storage medium and Bluetooth device | |
| CN104506287A (en) | Real-time sound communication method under TD-LTE (time division-long term evolution) emergency communication | |
| US20090222264A1 (en) | Sub-band codec with native voice activity detection | |
| CN205265758U (en) | Speech communication terminal based on big dipper satellite | |
| CN102592591A (en) | Dual-band speech encoding | |
| CN103299365A (en) | Devices for adaptively encoding and decoding a watermarked signal | |
| CN107276659A (en) | Voice talkback method and device and mobile terminal | |
| CN101640793A (en) | Method, system and decoder for decoding audio and video data | |
| CN102334977A (en) | Measuring device, mobile equipment, system for measuring physiological parameters of human bodies and wireless transmission method for measuring data | |
| CN102693728A (en) | Cross-platform speech transmission/decoding method for mobile phones | |
| US6240299B1 (en) | Cellular radiotelephone having answering machine/voice memo capability with parameter-based speech compression and decompression | |
| CN104637487B (en) | Determine pitch cycle energy and bi-directional scaling pumping signal | |
| CN102322928B (en) | Electronic scale, mobile equipment, body weight measuring system and wireless transmission method | |
| CN102630008A (en) | Method and terminal for wireless video transmission | |
| CN112802485B (en) | Voice data processing method and device, computer equipment and storage medium | |
| Facchinetti et al. | Real-time voice streaming over IEEE 802.15. 4 | |
| US20220038818A1 (en) | Optimized Audio Forwarding | |
| CN116959458A (en) | Audio transmission method, device, terminal, storage medium and program product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |
|
| RJ01 | Rejection of invention patent application after publication |