CN113746600B - Multi-rate self-adaptive transmitting device based on burst frame type real-time updating - Google Patents
Multi-rate self-adaptive transmitting device based on burst frame type real-time updating Download PDFInfo
- Publication number
- CN113746600B CN113746600B CN202110982061.2A CN202110982061A CN113746600B CN 113746600 B CN113746600 B CN 113746600B CN 202110982061 A CN202110982061 A CN 202110982061A CN 113746600 B CN113746600 B CN 113746600B
- Authority
- CN
- China
- Prior art keywords
- module
- data
- burst
- real
- control
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Abstract
The invention discloses a multi-rate self-adaptive transmitting device based on burst frame type real-time updating, which comprises a control data receiving and analyzing module, a data arranging control module, a service data receiving and storing module, a variable code rate block coding module, a coded data storing module, a burst signal framing module, a multi-rate forming module and an L frequency band digital modulation module. The invention can realize the adaptive variable of various carrier wave rates of 12Msps, 24Msps, 48Msps, 96Msps and 192Msps, the adaptive variable of various modulation modes of BPSK, QPSK, 8PSK and 16APSK, the adaptive variable of various coding code rates of 1/2, 3/4 and 7/8, the adaptive variable of various spreading ratios of 1 time, 2 times, 4 times and 8 times, and the adaptive real-time update of burst frame type arrangement, burst length and frame length. The invention has the advantages of self-adaption of a working mode, flexible burst frame arrangement, self-adaption adjustment of the transmission rate according to the channel condition and the like, and is particularly suitable for realizing burst agility communication by matching with a phased array antenna.
Description
Technical Field
The invention relates to the field of communication, in particular to a transmitting device for multi-rate self-adaptive support of burst agile communication.
Background
The traditional transmitting device has the advantages that the structure of a transmission frame of a physical layer is fixed, the fixed modulation bandwidth, the fixed transmission rate, the small range of a spot beam service and the relative fixation of service users can be realized, the conditions of low communication efficiency utilization rate, incapability of ensuring service quality and the like can occur, and the multi-rate self-adaptive transmitting device updated in real time based on burst frame types realizes high-gain, multi-user, multi-station, high-efficiency and large-range communication by using a multi-rate self-adaptive technology, a burst frame dynamic arrangement technology, a phased array agile cooperative control technology and a block coding technology.
Disclosure of Invention
The technical problem to be solved by the invention is to avoid the defects in the background technology and design a multi-rate self-adaptive transmitting device based on burst frame type real-time updating. The invention has the advantages of self-adaption of a working mode, flexible burst frame arrangement, self-adaption adjustment of the transmission rate according to the channel condition and the like, and is particularly suitable for realizing burst agility communication by matching with a phased array antenna.
The technical scheme adopted by the invention is as follows:
a multi-rate self-adaptive transmitting device based on burst frame type real-time update comprises a variable code rate block coding module 4, a coded data storage module 5, a multi-rate forming module 7 and an L frequency band digital modulation module 8; the system also comprises a control data receiving and analyzing module 1, a data arranging control module 2, a service data receiving and storing module 3 and a burst signal framing module 6;
the control data receiving and analyzing module 1 receives the control data, analyzes a static control instruction and a real-time control instruction, and sends the static control instruction and the real-time control instruction to the data arranging control module 2; the data arrangement control module 2 receives the static control instruction to control the service data receiving and storing module 3, receives the real-time control instruction to control the service data receiving and storing module 3 and the burst signal framing module 6; the service data receiving and storing module 3 receives externally input service data, classifies and stores the service data according to types according to type information in the service data to generate data to be encoded, generates burst data enable in different working modes according to a static control instruction and a real-time control instruction, controls the output of the data to be encoded, and sends the data to be encoded and the real-time control instruction to the variable-code-rate block encoding module 4; the variable code rate block coding module 4 receives the real-time control instruction and the data to be coded, performs block coding on the data to be coded according to the code rate control information in the real-time control instruction, and sends the coded data to the coded data storage module 5; the coded data storage module 5 receives and caches the coded data, receives the read data control signal sent by the burst signal framing module 6, and sends the coded data to the burst signal framing module 6 according to the read data control signal; the burst signal framing module 6 receives the real-time control instruction, generates an initial position, a carrier rate, a modulation mode and a spread spectrum ratio according to the real-time control instruction, generates a read data control signal according to the initial position, the carrier rate, the modulation mode and the spread spectrum ratio, reads coded data in the coded data storage module 5, frames the coded data in a mode of inserting redundant data, and sends the framed data and the real-time control instruction to the multi-rate forming module 7; the multi-rate forming module 7 receives the framed data and the real-time control instruction, performs forming processing on the framed data according to the carrier rate in the real-time control instruction, and sends the formed data and the real-time control instruction to the L-band digital modulation module 8; and the L-frequency band digital modulation module 8 receives the forming data and the real-time control instruction, maps and modulates the forming data according to a modulation mode in the real-time control instruction, and generates an intermediate frequency signal to be output.
The control data receiving and analyzing module 1 comprises a control data protocol analyzing module 1-1 and a control data classifying module 1-2;
the control data protocol analysis module 1-1 receives control data sent from the outside, carries out synchronous head search, CRC check and data type identification on the control data, sends the control data meeting the protocol requirements to the control data classification module 1-2, and discards the control data not meeting the requirements; the control data classification module 1-2 receives the control data meeting the requirements, identifies the instruction type of the control data, identifies the static control instruction and the real-time control instruction, and sends the static control instruction and the real-time control instruction to the data arrangement control module 2.
The data arrangement control module 2 comprises a control instruction analysis module 2-1, a working mode selection module 2-2, a burst control generation module 2-3, a frame length configuration module 2-4, a burst length configuration module 2-5, a burst number configuration module 2-6, a static instruction execution control module 2-7, a real-time instruction configuration module 2-8 and a static/real-time instruction coordination control module 2-9;
the control instruction analysis module 2-1 receives the control data and the static control instruction and the real-time control instruction sent by the analysis module 1, analyzes the static control instruction into an autonomous working mode/cooperative working mode selection parameter, a frame length configuration parameter, a burst length configuration parameter and a burst number configuration parameter, sends the parameters to the working mode selection module 2-2, analyzes the real-time control instruction into a burst carrier rate, a burst coding code rate, a burst modulation mode, a burst count and a burst type, and sends the parameters to the real-time instruction configuration module 2-8; the working mode selection module 2-2 receives each static control parameter, selects a working mode according to the parameters of the autonomous working mode/the cooperative working mode, generates a fixed burst parameter in the autonomous working mode and sends the fixed burst parameter to the burst control generation module 2-3, and directly sends each static control parameter to the burst control generation module 2-3 in the cooperative working mode; the burst control generation module 2-3 receives the fixed burst parameters and each static control parameter, sends the fixed frame length configuration parameters in the fixed burst parameters to the frame length configuration module 2-4 in the autonomous working mode, sends the fixed burst length configuration parameters in the fixed parameters to the burst length configuration module 2-5, sends the fixed burst number configuration parameters in the fixed parameters to the burst number configuration module 2-6, and respectively sends the frame length configuration parameters, the burst length configuration parameters and the burst number configuration parameters to the frame length configuration module 2-4, the burst length configuration module 2-5 and the burst number configuration module 2-6 in the cooperative working mode; the frame length configuration module 2-4 receives the fixed frame length configuration parameter or the frame length configuration parameter, performs frame length replacement, and sends the frame length to the static instruction execution control module 2-7; the burst length configuration module 2-5 receives the fixed burst length configuration parameters or the burst length configuration parameters, performs burst length replacement, and sends the burst length to the static instruction execution control module 2-7; the burst number configuration module 2-6 receives the fixed burst number configuration parameter or the burst number configuration parameter, performs burst number replacement, and sends the burst number to the static instruction execution control module 2-7; the static instruction execution control module 2-7 receives the frame length, the burst length and the burst number, updates the parameters of the frame length, the burst length and the burst number at regular time, generates static update parameters and sends the static update parameters to the static/real-time instruction coordination control module 2-9; the real-time instruction configuration module 2-8 receives each real-time control parameter of burst carrier rate, burst coding rate, burst modulation mode, burst count and burst type, generates a cooperative control burst real-time instruction and sends the cooperative control burst real-time instruction to the static/real-time instruction coordination control module 2-9; the static/real-time instruction control coordination control module 2-9 receives the static update parameters and the cooperative control burst real-time instruction, generates a static control instruction and a real-time control instruction, sends the static control instruction and the real-time control instruction to the service data receiving and storing module 3, and sends the real-time control instruction to the burst signal framing module 6.
The service data receiving and storing module 3 comprises a service data reading control module 3-1, a service data protocol analysis module 3-2, a service data queue storing module 3-3 and a data grouping and null frame inserting module 3-4;
the service data reading control module 3-1 receives the static control instruction and the real-time control instruction sent by the data arranging control module 2, generates burst data enable meeting burst traffic of different carrier rates, different modulation modes, different spreading ratios and different coding code rates according to the static control instruction and the real-time control instruction, sends the static control instruction, the real-time control instruction and the burst data enable to the service data queue storage module 3-3, and sends the real-time control instruction to the data grouping and null frame inserting module 3-4; the service data protocol analysis module 3-2 receives service data sent from the outside, carries out frame search, frame length and frame length check and CRC (cyclic redundancy check) protocol analysis on the service data, carries out service type distinguishing and logic port distinguishing on data conforming to the protocol, adds an internal label to the identified service data, generates an internal label service, and sends the internal label service to the service data queue storage module 3-3; the service data queue-dividing storage module 3-3 receives the service data of the internal label, performs queue-dividing storage according to the type of the internal label, performs broadcast processing on the service data with the broadcast type of the internal label, receives a static control instruction, a real-time control instruction and a burst data enable, controls the size and the flow of a queue cache by using the static control instruction and the real-time control instruction, reads different storage queues by using the burst data enable and the real-time control instruction, and sends the read burst data to the data grouping and blank frame inserting module 3-4; the data grouping and inserting module 3-4 receives the burst data, carries out inserting frame processing when the burst data length does not meet the burst length, generates the data to be coded, receives the real-time control instruction, and sends the data to be coded and the real-time control instruction to the variable code rate grouping coding module 4.
The burst signal framing module 6 comprises a real-time control execution module 6-1, an encoded data reading control module 6-2, a data classification cache module 6-3 to be framed and a framing and auxiliary data inserting module 6-4;
the real-time control execution module 6-1 receives a real-time control instruction sent by the data arrangement module 2, generates service data reading enabling, service data sending enabling, repeated burst sending enabling and auxiliary data sending enabling according to the frame length, burst number and burst type parameters, sends the service data reading enabling to the coded data reading control module 6-2, sends the real-time control instruction to the data classification cache module 6-3 to be framed, and sends the repeated burst sending enabling, the service data sending enabling, the auxiliary data sending enabling and the real-time control instruction to the framing and auxiliary data inserting module 6-4; the coded data reading control module 6-2 receives the service data reading enable, generates coded data reading enable and sends the coded data reading enable to the coded data storage module 5, receives coded data sent by the coded data storage module 5, and sends the coded data to the data to be framed classification cache module 6-3; the data to be framed classification cache module 6-3 receives the real-time control instruction and the coded data, performs classification storage of broadcast burst and service burst on the coded data according to the real-time control instruction, receives framing reading enable, outputs data to be framed of broadcast/service and sends the data to the framing and auxiliary data inserting module 6-4; the framing and inserting auxiliary data module 6-4 receives the repeated burst transmission enable, the service data transmission enable, the auxiliary data transmission enable and the real-time control instruction, generates framing reading enable suitable for spread spectrum communication, broadcast bursts and service bursts, sends the framing reading enable to the data to be framed classification cache module 6-3, receives data to be framed of broadcast/service, performs framing and inserting auxiliary data processing on the data to be framed of broadcast/service according to carrier rate and spread spectrum comparison, generates framing data, and sends the framing data and the real-time control instruction to the multi-rate forming module 7.
Compared with the background art, the invention has the following advantages:
1. the invention can complete signal transmission at a carrier rate of 12-192 Msps, can complete mapping of multiple modulation modes of BPSK, QPSK, 8PSK and 16APSK, and can complete 8/4/2/1 times of spread spectrum of data.
2. The invention can update the burst frame type in real time, realize the dynamic ratio of the broadcast burst signal and the service burst signal, achieve the purpose of high-efficiency transmission and ensure the service quality of users.
3. The invention adopts the multi-rate self-adaptive transmission technology, can self-adaptively adjust the working mode according to the link state and can ensure the communication quality and the transmission efficiency of the user.
Drawings
Fig. 1 is an electrical schematic diagram of an embodiment of a multi-rate adaptive transmitting device for real-time update based on burst frame type according to the present invention.
Fig. 2 is an electrical schematic diagram of an embodiment of a control data receiving and parsing module according to the present invention.
FIG. 3 is an electrical schematic diagram of an embodiment of the data orchestration control module according to the present invention.
Fig. 4 is an electrical schematic diagram of an embodiment of a service data receiving and storing module according to the present invention.
Fig. 5 is an electrical schematic diagram of an embodiment of a burst signal framing module of the present invention.
Detailed Description
The invention can provide data transmission for users with different receiving capabilities, different geographical positions and different purposes. The multi-rate self-adaptive transmitting device based on the burst frame type real-time updating uses a burst frame type dynamic real-time arrangement technology, the working rate is self-adaptively adjusted according to the link state, the communication quality and the transmission efficiency of a user can be ensured to the maximum extent, and a solution is provided for the spot beam agile communication. The invention is further explained below with reference to the drawings.
Referring to fig. 1, the multi-rate adaptive transmitting device based on burst frame type real-time update of the present invention includes a control data receiving and parsing module 1, a data arranging control module 2, a service data receiving and storing module 3, a variable bit rate block coding module 4, a coded data storing module 5, a burst signal framing module 6, a multi-rate shaping module 7 and an L-band digital modulation module 8; fig. 1 is an electrical schematic diagram of an embodiment of a multi-rate adaptive transmission apparatus for real-time update based on burst frame type according to the present invention, the embodiment connecting lines according to fig. 1.
The control data receiving and analyzing module 1 receives the control data, analyzes a static control instruction and a real-time control instruction, and sends the static control instruction and the real-time control instruction to the data arranging control module 2; the data arrangement control module 2 receives the static control instruction to control the service data receiving and storing module 3, receives the real-time control instruction to control the service data receiving and storing module 3 and the burst signal framing module 6; the service data receiving and storing module 3 receives externally input service data, classifies and stores the service data according to types according to type information in the service data to generate data to be encoded, generates burst data enable in different working modes according to a static control instruction and a real-time control instruction, controls the output of the data to be encoded, and sends the data to be encoded and the real-time control instruction to the variable-code-rate block encoding module 4; the variable code rate block coding module 4 receives the real-time control instruction and the data to be coded, performs block coding on the data to be coded according to the code rate control information in the real-time control instruction, and sends the coded data to the coded data storage module 5; the coded data storage module 5 receives and caches the coded data, receives the read data control signal sent by the burst signal framing module 6, and sends the coded data to the burst signal framing module 6 according to the read data control signal; the burst signal framing module 6 receives the real-time control instruction, generates an initial position, a carrier rate, a modulation mode and a spread spectrum ratio according to the real-time control instruction, generates a read data control signal according to the initial position, the carrier rate, the modulation mode and the spread spectrum ratio, reads coded data in the coded data storage module 5, frames the coded data in a mode of inserting redundant data, and sends the framed data and the real-time control instruction to the multi-rate forming module 7; the multi-rate forming module 7 receives the framed data and the real-time control instruction, performs forming processing on the framed data according to the carrier rate in the real-time control instruction, and sends the formed data and the real-time control instruction to the L-band digital modulation module 8; and the L-frequency band digital modulation module 8 receives the forming data and the real-time control instruction, maps and modulates the forming data according to a modulation mode in the real-time control instruction, and generates an intermediate frequency signal to be output.
Referring to fig. 2, the control data receiving and parsing module 1 includes a control data protocol parsing module 1-1 and a control data classification module 1-2;
the control data protocol analysis module 1-1 receives control data sent from the outside, carries out synchronous head search, CRC check and data type identification on the control data, sends the control data meeting the protocol requirements to the control data classification module 1-2, and discards the control data not meeting the requirements; the control data classification module 1-2 receives the control data meeting the requirements, identifies the instruction type of the control data, identifies the static control instruction and the real-time control instruction, and sends the static control instruction and the real-time control instruction to the data arrangement control module 2.
Referring to fig. 3, the data arrangement control module 2 includes a control instruction parsing module 2-1, a working mode selecting module 2-2, a burst control generating module 2-3, a frame length configuring module 2-4, a burst length configuring module 2-5, a burst number configuring module 2-6, a static instruction execution control module 2-7, a real-time instruction configuring module 2-8, and a static/real-time instruction coordination control module 2-9;
the control instruction analysis module 2-1 receives the control data and the static control instruction and the real-time control instruction sent by the analysis module 1, analyzes the static control instruction into an autonomous working mode/cooperative working mode selection parameter, a frame length configuration parameter, a burst length configuration parameter and a burst number configuration parameter, sends the parameters to the working mode selection module 2-2, analyzes the real-time control instruction into a burst carrier rate, a burst coding code rate, a burst modulation mode, a burst count and a burst type, and sends the parameters to the real-time instruction configuration module 2-8; the working mode selection module 2-2 receives each static control parameter, selects a working mode according to the parameters of the autonomous working mode/the cooperative working mode, generates a fixed burst parameter in the autonomous working mode and sends the fixed burst parameter to the burst control generation module 2-3, and directly sends each static control parameter to the burst control generation module 2-3 in the cooperative working mode; the burst control generation module 2-3 receives the fixed burst parameters and each static control parameter, sends the fixed frame length configuration parameters in the fixed burst parameters to the frame length configuration module 2-4 in the autonomous working mode, sends the fixed burst length configuration parameters in the fixed parameters to the burst length configuration module 2-5, sends the fixed burst number configuration parameters in the fixed parameters to the burst number configuration module 2-6, and respectively sends the frame length configuration parameters, the burst length configuration parameters and the burst number configuration parameters to the frame length configuration module 2-4, the burst length configuration module 2-5 and the burst number configuration module 2-6 in the cooperative working mode; the frame length configuration module 2-4 receives the fixed frame length configuration parameter or the frame length configuration parameter, performs frame length replacement, and sends the frame length to the static instruction execution control module 2-7; the burst length configuration module 2-5 receives the fixed burst length configuration parameter or the burst length configuration parameter, performs burst length replacement, and sends the burst length to the static instruction execution control module 2-7; the burst number configuration module 2-6 receives the fixed burst number configuration parameter or the burst number configuration parameter, performs burst number replacement, and sends the burst number to the static instruction execution control module 2-7; the static instruction execution control module 2-7 receives the frame length, the burst length and the burst number, updates the parameters of the frame length, the burst length and the burst number at regular time, generates static update parameters and sends the static update parameters to the static/real-time instruction coordination control module 2-9; the real-time instruction configuration module 2-8 receives each real-time control parameter of burst carrier rate, burst coding rate, burst modulation mode, burst count and burst type, generates a cooperative control burst real-time instruction and sends the cooperative control burst real-time instruction to the static/real-time instruction coordination control module 2-9; the static/real-time instruction control coordination control module 2-9 receives the static update parameters and the cooperative control burst real-time instruction, generates a static control instruction and a real-time control instruction, sends the static control instruction and the real-time control instruction to the service data receiving and storing module 3, and sends the real-time control instruction to the burst signal framing module 6.
Referring to fig. 4, the service data receiving and storing module 3 includes a service data reading control module 3-1, a service data protocol parsing module 3-2, a service data queue storing module 3-3, and a data grouping and null frame inserting module 3-4;
the service data reading control module 3-1 receives the static control instruction and the real-time control instruction sent by the data arranging control module 2, generates burst data enable meeting burst traffic of different carrier rates, different modulation modes, different spreading ratios and different coding code rates according to the static control instruction and the real-time control instruction, sends the static control instruction, the real-time control instruction and the burst data enable to the service data queue storage module 3-3, and sends the real-time control instruction to the data grouping and null frame inserting module 3-4; the service data protocol analysis module 3-2 receives service data sent from the outside, carries out frame search, frame length and frame length check and CRC (cyclic redundancy check) protocol analysis on the service data, carries out service type distinguishing and logic port distinguishing on data conforming to the protocol, adds an internal label to the identified service data, generates an internal label service, and sends the internal label service to the service data queue storage module 3-3; the service data queue-dividing storage module 3-3 receives the service data of the internal label, performs queue-dividing storage according to the type of the internal label, performs broadcast processing on the service data with the broadcast type of the internal label, receives a static control instruction, a real-time control instruction and a burst data enable, controls the size and the flow of a queue cache by using the static control instruction and the real-time control instruction, reads different storage queues by using the burst data enable and the real-time control instruction, and sends the read burst data to the data grouping and blank frame inserting module 3-4; the data grouping and inserting module 3-4 receives the burst data, carries out inserting frame processing when the burst data length does not meet the burst length, generates the data to be coded, receives the real-time control instruction, and sends the data to be coded and the real-time control instruction to the variable code rate grouping coding module 4.
Referring to fig. 5, the burst signal framing module 6 includes a real-time control execution module 6-1, an encoded data reading control module 6-2, a data classification cache module 6-3 to be framed, and a framing and auxiliary data inserting module 6-4;
the real-time control execution module 6-1 receives a real-time control instruction sent by the data arrangement module 2, generates service data reading enabling, service data sending enabling, repeated burst sending enabling and auxiliary data sending enabling according to the frame length, burst number and burst type parameters, sends the service data reading enabling to the coded data reading control module 6-2, sends the real-time control instruction to the data classification cache module 6-3 to be framed, and sends the repeated burst sending enabling, the service data sending enabling, the auxiliary data sending enabling and the real-time control instruction to the framing and auxiliary data inserting module 6-4; the coded data reading control module 6-2 receives the service data reading enable, generates coded data reading enable and sends the coded data reading enable to the coded data storage module 5, receives coded data sent by the coded data storage module 5, and sends the coded data to the classified caching module 6-3 of the data to be framed; the data to be framed classification cache module 6-3 receives the real-time control instruction and the coded data, performs classification storage of broadcast burst and service burst on the coded data according to the real-time control instruction, receives framing reading enable, outputs data to be framed of broadcast/service and sends the data to the framing and auxiliary data inserting module 6-4; the framing and inserting auxiliary data module 6-4 receives the repeated burst transmission enable, the service data transmission enable, the auxiliary data transmission enable and the real-time control instruction, generates framing reading enable suitable for spread spectrum communication, broadcast bursts and service bursts, sends the framing reading enable to the data to be framed classification cache module 6-3, receives data to be framed of broadcast/service, performs framing and inserting auxiliary data processing on the data to be framed of broadcast/service according to carrier rate and spread spectrum comparison, generates framing data, and sends the framing data and the real-time control instruction to the multi-rate forming module 7.
Claims (5)
1. A multi-rate self-adaptive transmitting device based on burst frame type real-time updating comprises a variable code rate block coding module (4), a coded data storage module (5), a multi-rate forming module (7) and an L frequency band digital modulation module (8); the method is characterized in that: the system also comprises a control data receiving and analyzing module (1), a data arranging control module (2), a service data receiving and storing module (3) and a burst signal framing module (6);
the control data receiving and analyzing module (1) receives control data, analyzes a static control instruction and a real-time control instruction, and sends the static control instruction and the real-time control instruction to the data arranging control module (2); the data arrangement control module (2) receives the static control instruction to control the service data receiving and storing module (3), receives the real-time control instruction to control the service data receiving and storing module (3) and the burst signal framing module (6); the service data receiving and storing module (3) receives externally input service data, classifies and stores the service data according to types according to type information in the service data to generate data to be encoded, generates burst data enable in different working modes according to a static control instruction and a real-time control instruction, controls the output of the data to be encoded, and sends the data to be encoded and the real-time control instruction to the variable-code-rate block encoding module (4); the variable code rate block coding module (4) receives the real-time control instruction and the data to be coded, performs block coding on the data to be coded according to code rate control information in the real-time control instruction, and sends the coded data to the coded data storage module (5); the coded data storage module (5) receives and caches the coded data, receives a read data control signal sent by the burst signal framing module (6), and sends the coded data to the burst signal framing module (6) according to the read data control signal; the burst signal framing module (6) receives the real-time control instruction, generates an initial position, a carrier rate, a modulation mode and a spread spectrum ratio according to the real-time control instruction, generates a read data control signal according to the initial position, the carrier rate, the modulation mode and the spread spectrum ratio, reads coded data in the coded data storage module (5), frames the coded data in a mode of inserting redundant data, and sends the framed data and the real-time control instruction to the multi-rate forming module (7); the multi-rate forming module (7) receives the framed data and the real-time control instruction, performs forming processing on the framed data according to the carrier rate in the real-time control instruction, and sends the formed data and the real-time control instruction to the L-band digital modulation module (8); and the L-frequency band digital modulation module (8) receives the forming data and the real-time control instruction, maps and modulates the forming data according to a modulation mode in the real-time control instruction, and generates an intermediate frequency signal to be output.
2. The multi-rate adaptive transmitting device for real-time update based on burst frame type according to claim 1, wherein: the control data receiving and analyzing module (1) comprises a control data protocol analyzing module (1-1) and a control data classifying module (1-2);
the control data protocol analysis module (1-1) receives control data sent from the outside, carries out synchronous head search, CRC check and data type identification on the control data, sends the control data meeting the protocol requirements to the control data classification module (1-2), and discards the control data not meeting the requirements; the control data classification module (1-2) receives the control data meeting the requirements, identifies the instruction type of the control data, identifies the static control instruction and the real-time control instruction, and sends the static control instruction and the real-time control instruction to the data arrangement control module (2).
3. The multi-rate adaptive transmitting device based on burst frame type real-time update of claim 1, wherein the data arrangement control module (2) comprises a control instruction parsing module (2-1), a working mode selection module (2-2), a burst control generation module (2-3), a frame length configuration module (2-4), a burst length configuration module (2-5), a burst number configuration module (2-6), a static instruction execution control module (2-7), a real-time instruction configuration module (2-8) and a static/real-time instruction coordination control module (2-9);
the control instruction analysis module (2-1) receives the control data and the static control instruction and the real-time control instruction sent by the analysis module (1), analyzes the static control instruction into an autonomous working mode/cooperative working mode selection parameter, a frame length configuration parameter, a burst length configuration parameter and a burst number configuration parameter, sends the parameters to the working mode selection module (2-2), analyzes the real-time control instruction into a burst carrier rate, a burst coding code rate, a burst modulation mode, a burst count and a burst type, and sends the parameters to the real-time instruction configuration module (2-8); the working mode selection module (2-2) receives each static control parameter, selects a working mode according to the parameters of the autonomous working mode/the cooperative working mode, generates a fixed burst parameter in the autonomous working mode and sends the fixed burst parameter to the burst control generation module (2-3), and directly sends each static control parameter to the burst control generation module (2-3) in the cooperative working mode; the burst control generation module (2-3) receives the fixed burst parameters and all the static control parameters, sends the fixed frame length configuration parameters in the fixed burst parameters to the frame length configuration module (2-4) in the autonomous working mode, sends the fixed burst length configuration parameters in the fixed parameters to the burst length configuration module (2-5), sends the fixed burst number configuration parameters in the fixed parameters to the burst number configuration module (2-6), and respectively sends the frame length configuration parameters, the burst length configuration parameters and the burst number configuration parameters to the frame length configuration module (2-4), the burst length configuration module (2-5) and the burst number configuration module (2-6) in the cooperative working mode; the frame length configuration module (2-4) receives the configuration parameters of the fixed frame length or the frame length, carries out frame length replacement and sends the frame length to the static instruction execution control module (2-7); the burst length configuration module (2-5) receives the fixed burst length configuration parameter or the burst length configuration parameter, performs burst length replacement, and sends the burst length to the static instruction execution control module (2-7); the burst number configuration module (2-6) receives the fixed burst number configuration parameters or the burst number configuration parameters, performs burst number replacement, and sends the burst number to the static instruction execution control module (2-7); the static instruction execution control module (2-7) receives the frame length, the burst length and the burst number, updates the parameters of the frame length, the burst length and the burst number at regular time, generates static update parameters and sends the static update parameters to the static/real-time instruction coordination control module (2-9); the real-time instruction configuration module (2-8) receives each real-time control parameter of burst carrier rate, burst coding rate, burst modulation mode, burst counting and burst type, generates a cooperative control burst real-time instruction and sends the cooperative control burst real-time instruction to the static/real-time instruction coordination control module (2-9); the static/real-time instruction control coordination control module (2-9) receives the static update parameters and the cooperative control burst real-time instructions, generates static control instructions and real-time control instructions, sends the static control instructions and the real-time control instructions to the service data receiving and storing module (3), and sends the real-time control instructions to the burst signal framing module (6).
4. The multi-rate adaptive transmitting device for real-time update based on burst frame type according to claim 1, wherein the service data receiving and storing module (3) comprises a service data reading control module (3-1), a service data protocol parsing module (3-2), a service data queuing and storing module (3-3) and a data grouping and null frame inserting module (3-4);
the service data reading control module (3-1) receives the static control instruction and the real-time control instruction sent by the data arranging control module (2), generates burst data enable meeting burst traffic of different carrier rates, different modulation modes, different spreading ratios and different coding code rates according to the static control instruction and the real-time control instruction, sends the static control instruction, the real-time control instruction and the burst data enable to the service data queue storage module (3-3), and sends the real-time control instruction to the data grouping and blank frame inserting module (3-4); the service data protocol analysis module (3-2) receives service data sent from the outside, carries out frame search, frame length and frame length check and CRC (cyclic redundancy check) protocol analysis on the service data, carries out service type distinguishing and logic port distinguishing on data conforming to the protocol, adds an internal label to the identified service data, generates an internal label service, and sends the internal label service to the service data queue storage module (3-3); the service data queue-splitting storage module (3-3) receives the service data of the internal label, performs queue-splitting storage according to the type of the internal label, performs broadcast processing on the service data of which the type of the internal label is broadcast, receives a static control instruction, a real-time control instruction and a burst data enable, controls the size and the flow of a queue cache by using the static control instruction and the real-time control instruction, reads different storage queues by using the burst data enable and the real-time control instruction, and sends the read burst data to the data grouping and empty frame inserting module (3-4); the data grouping and inserting module (3-4) receives the burst data, carries out inserting frame processing when the burst data length does not meet the burst length, generates data to be encoded, receives a real-time control instruction, and sends the data to be encoded and the real-time control instruction to the variable code rate grouping and encoding module (4).
5. The multi-rate adaptive transmitting device for real-time update based on burst frame type according to claim 1, wherein the burst signal framing module (6) comprises a real-time control execution module (6-1), an encoded data reading control module (6-2), a data classification buffer module to be framed (6-3) and a framing and auxiliary data insertion module (6-4);
the real-time control execution module (6-1) receives a real-time control instruction sent by the data arranging module (2), generates service data reading enabling, service data sending enabling, repeated burst sending enabling and auxiliary data sending enabling according to the frame length, burst number and burst type parameters, sends the service data reading enabling to the coded data reading control module (6-2), sends the real-time control instruction to the data classification cache module (6-3) to be framed, and sends the repeated burst sending enabling, the service data sending enabling, the auxiliary data sending enabling and the real-time control instruction to the framing and auxiliary data inserting module (6-4); the coded data reading control module (6-2) receives the service data reading enable, generates coded data reading enable and sends the coded data reading enable to the coded data storage module (5), receives coded data sent by the coded data storage module (5), and sends the coded data to the classified caching module (6-3) of the data to be framed; the data to be framed is classified and cached by the module (6-3) to receive the real-time control instruction and the coded data, the coded data is classified and stored in broadcast burst and service burst according to the real-time control instruction, framing reading enabling is received, and the data to be framed of the broadcast/service is output to the framing and auxiliary data inserting module (6-4); the framing and inserting auxiliary data module (6-4) receives the repeated burst transmission enable, the service data transmission enable, the auxiliary data transmission enable and the real-time control instruction, generates framing reading enable suitable for spread spectrum communication, broadcast bursts and service bursts, sends the framing reading enable to the data to be framed classification cache module (6-3), receives data to be framed of broadcast/service, performs framing and inserting auxiliary data processing on the data to be framed of broadcast/service according to carrier rate and spread spectrum comparison, generates framing data, and sends the framing data and the real-time control instruction to the multi-rate forming module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982061.2A CN113746600B (en) | 2021-08-25 | 2021-08-25 | Multi-rate self-adaptive transmitting device based on burst frame type real-time updating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982061.2A CN113746600B (en) | 2021-08-25 | 2021-08-25 | Multi-rate self-adaptive transmitting device based on burst frame type real-time updating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113746600A CN113746600A (en) | 2021-12-03 |
| CN113746600B true CN113746600B (en) | 2022-08-02 |
Family
ID=78732847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110982061.2A Active CN113746600B (en) | 2021-08-25 | 2021-08-25 | Multi-rate self-adaptive transmitting device based on burst frame type real-time updating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113746600B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284375A (en) * | 2014-10-21 | 2015-01-14 | 广州市香港科大霍英东研究院 | Wireless network rate adaptive adjusting method |
| CN106656415A (en) * | 2016-09-29 | 2017-05-10 | 中国电子科技集团公司第五十四研究所 | Data superframe generation method of adaptive transmission channel |
| CN108023680A (en) * | 2017-12-07 | 2018-05-11 | 中国电子科技集团公司第五十四研究所 | Low speed variable bit rate multi-mode encoding modulator based on VTDM frame structures |
| CN112953683A (en) * | 2021-03-04 | 2021-06-11 | 西安电子工程研究所 | Adaptive rate SRIO interface data transmission method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9520941B2 (en) * | 2014-10-13 | 2016-12-13 | Huawei Technologies Co., Ltd. | Hitless, multi-rate optical transmission and reception |
-
2021
- 2021-08-25 CN CN202110982061.2A patent/CN113746600B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284375A (en) * | 2014-10-21 | 2015-01-14 | 广州市香港科大霍英东研究院 | Wireless network rate adaptive adjusting method |
| CN106656415A (en) * | 2016-09-29 | 2017-05-10 | 中国电子科技集团公司第五十四研究所 | Data superframe generation method of adaptive transmission channel |
| CN108023680A (en) * | 2017-12-07 | 2018-05-11 | 中国电子科技集团公司第五十四研究所 | Low speed variable bit rate multi-mode encoding modulator based on VTDM frame structures |
| CN112953683A (en) * | 2021-03-04 | 2021-06-11 | 西安电子工程研究所 | Adaptive rate SRIO interface data transmission method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113746600A (en) | 2021-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6567397B1 (en) | System and method for wireless exchange of data in a non-real-time data communications system | |
| US7848439B2 (en) | Communication apparatus, communication system, and communication method | |
| US7065051B2 (en) | Management and scheduling of data that is wirelessly transmitted between a base transceiver station and subscriber units | |
| CN1929687A (en) | Methods and apparatus for providing a cooperative relay system associated with a broadband wireless access network | |
| CN102098734A (en) | Techniques for managing heterogeneous traffic streams | |
| WO2022036766A1 (en) | Capacity optimization method for mobile wireless optical communication system, communication method, and system | |
| US8284703B2 (en) | Scheduling and transmitting uplink packets within uplink sub-frames of a wireless system | |
| CN101291430A (en) | Video transmission method and apparatus in wireless network | |
| CN107070529B (en) | A kind of optimization energy distribution method for taking energy multiple antennas relaying | |
| CN113794984B (en) | Multi-station multi-machine space downlink time slot space division multiplexing distribution system | |
| CN109560858A (en) | High-speed real data acquisition transmission module | |
| CN109729553A (en) | The voice service processing method and equipment of LTE trunked communication system | |
| CN217770072U (en) | Two-way scattering system based on loRa technique | |
| CN113746600B (en) | Multi-rate self-adaptive transmitting device based on burst frame type real-time updating | |
| CN113573356A (en) | Data processing method in industrial Internet of things | |
| CN113573337B (en) | Data transmission method in industrial Internet of things | |
| TW200501655A (en) | Access control method and system | |
| CN201742566U (en) | Multipoint set net type data system | |
| CN112616188B (en) | SDM/SDMA central station transmitting channel packet-by-packet scheduling method | |
| CN103152141A (en) | Cooperation space-time network coding method in multisource distributed cooperative network | |
| CN113556779B (en) | Data transmission method in industrial Internet of things | |
| CN100438383C (en) | Method for controlling sublayer in wireless link aiming at dynamic configuration of packet data service | |
| CN111884775B (en) | HARQ transmission device and method based on shared buffer | |
| CN201048373Y (en) | Wireless serial port equipment | |
| CN113872730A (en) | Multi-rate multi-mode satellite-borne transmitting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |