CN114745029B - Method, device and system for synchronous acquisition of narrowband power line communication - Google Patents
Method, device and system for synchronous acquisition of narrowband power line communication Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The application relates to the technical field of digital communication, and discloses a method for synchronous acquisition of narrowband power line communication, which comprises the following steps: detecting the received data frame through a synchronous window, and detecting a synchronous head in the data frame; accumulating the number of the detected synchronous heads; when the accumulated number of the synchronization head reaches a set threshold, data synchronization acquisition is confirmed. And detecting the received data frame through the synchronous window, and confirming the data synchronous capturing under the condition that the accumulated number of the synchronous heads in the data frame reaches a threshold value. In the process of data synchronous capturing, the zero crossing time of the three-phase current is not required to be judged, and whether the data synchronous capturing is completed or not is judged by identifying the synchronous head through the synchronous window. Therefore, the reliability of the synchronous acquisition is improved while the synchronous acquisition is simplified, and the synchronous acquisition can be applied to more scenes. The application also discloses a device and a system for synchronous acquisition of the narrowband power line communication.
Description
Technical Field
The present application relates to the field of digital communications technologies, and for example, to a method, an apparatus, and a system for synchronous capturing of narrowband power line communications.
Background
PLC (power line communication ) is a communication method using a power line network as a transmission medium, and is a technology for transmitting analog or digital signals at high speed. The data of the sender is amplified by an amplifier after being coded and modulated, and is coupled to a power line by a coupler. The receiving party receives the analog signal on the power line, and restores the transmitted binary code through synchronous capturing, demodulation and channel decoding.
At present, in the related art, in order to ensure synchronous capture of power line communication, a method for monitoring power line carrier communication in real time is provided, which includes: step S1: the method comprises the steps of collecting power signal data on a three-phase power line in real time through a plurality of A/D collecting devices, compressing the power signal data, and sending the compressed power signal data to a remote server through a communication network; step S2: the server decompresses the received power signal data and stores the decompressed power signal data in a database in a classified manner; step S3: and the client accesses the database of the server to acquire the power signal data, and analyzes and positions the power signal data, so that the on-site three-phase power line is monitored in real time.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
When the power signal data of the three-phase power line are acquired, the zero crossing time of the three-phase alternating current is considered, if the zero crossing time of the three-phase alternating current is different, the related method cannot be applied, and the reliability of synchronous acquisition is reduced.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides a method, a device and a system for synchronous acquisition of narrowband power line communication, so as to improve the reliability of synchronous acquisition.
In some embodiments, the method for synchronous capturing of narrowband power line communication is applied to a receiving end, and includes:
Detecting the received data frame through a synchronous window, and detecting a synchronous head in the data frame;
Accumulating the number of the detected synchronous heads;
confirming the data synchronous capturing under the condition that the accumulated number of the synchronous heads reaches a set threshold value;
wherein the set threshold is an integer greater than 1.
Optionally, the data frame includes a plurality of synchronization headers that are identical in structure.
Optionally, the length of each of the plurality of structurally identical sync heads is 1 byte.
Optionally, the data frame includes a plurality of structurally different synchronization headers.
Optionally, after detecting the synchronization header in the data frame, the method for narrowband power line communication synchronization acquisition may include:
And sending a reset command to the synchronous window under the condition that the synchronous head in the detected data frame is different from the preset synchronous head.
In some embodiments, the method for synchronous capturing of narrowband power line communication is applied to a transmitting end, and includes:
Generating a data frame comprising a plurality of synchronization headers; wherein the plurality of synchronization heads are used for data synchronization acquisition;
and transmitting the data frame.
Optionally, all or part of the synchronization heads have the same structure.
In some embodiments, the apparatus for synchronous acquisition of power line communication is applied to a receiving end, and includes:
A processor and a memory storing program instructions, the processor being configured to perform a method for narrowband power line communication synchronization acquisition as described above when the program instructions are executed.
In some embodiments, the apparatus for synchronous acquisition of power line communication is applied to a transmitting end, and includes:
A processor and a memory storing program instructions, the processor being configured to perform a method for narrowband power line communication synchronization acquisition as described above when the program instructions are executed.
In some embodiments, the system for power line communication synchronization acquisition comprises:
The control device for power line communication synchronous acquisition.
The method, the device and the system for synchronous capturing of the narrowband power line communication provided by the embodiment of the disclosure can realize the following technical effects:
And detecting the received data frame through the synchronous window, and confirming the data synchronous capturing under the condition that the accumulated number of the synchronous heads in the data frame reaches a threshold value. In the process of data synchronous capturing, the zero crossing time of the three-phase current is not required to be judged, and whether the data synchronous capturing is completed or not is judged by identifying the synchronous head through the synchronous window. Therefore, the reliability of the synchronous acquisition is improved while the synchronous acquisition is simplified, and the synchronous acquisition can be applied to more scenes.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 is a schematic diagram of a method for narrowband power line communication synchronization acquisition provided by an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a data frame of a method for narrowband power line communication synchronization acquisition provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a synchronization window for a method of narrowband power line communication synchronization acquisition provided by an embodiment of the present disclosure;
Fig. 4 is a schematic diagram of another method for narrowband powerline communication synchronization acquisition provided by an embodiment of the present disclosure;
fig. 5 is a schematic diagram of another method for narrowband powerline communication synchronization acquisition provided by an embodiment of the present disclosure;
fig. 6 is a schematic diagram of an apparatus for narrowband power line communication synchronization acquisition provided by an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more, unless otherwise indicated.
In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.
The term "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
Referring to fig. 1, a method for synchronous capturing of narrowband power line communication according to an embodiment of the present disclosure is applied to a receiving end, and includes:
s11, the state machine detects the received data frame through the synchronous window and detects the synchronous head in the data frame.
In the embodiment of the disclosure, a state machine is designed at a receiving end to detect a received data frame, and the state machine detects a synchronization header in the received data frame by setting a synchronization window, wherein the synchronization window comprises a preset synchronization header structure. It should be understood that the synchronization window may include a plurality of preset synchronization header structures, and a detection sequence relationship exists between the plurality of preset synchronization header structures.
In practical applications, the synchronization window may include a predetermined synchronization header structure 01111110, 01111111, 11011110 or other structures. The detection sequence relationship existing among the plurality of preset synchronization heads can be 01111110 corresponding to the first synchronization head, 01111111 corresponding to the second synchronization head, 11011110 corresponding to the third synchronization head, and so on. The number of the synchronization heads and the detection sequence among the synchronization heads are not particularly limited, and the application can be used for reflecting the structures of the synchronization heads in the data frame, and the detection sequence relation exists among a plurality of preset synchronization head structures.
In practical application, referring to fig. 2, a schematic diagram of a data frame of a method for synchronous capturing of narrowband power line communication according to an embodiment of the disclosure is provided, where the data frame includes: a synchronization header 201, a synchronization header 202, a synchronization header 203, payload data 204. It should be understood that the structure of the payload data includes, but is not limited to, the structure shown in fig. 2, and the number of synchronization heads may be three, two, or other numbers, and the three synchronization heads 201 to 203 shown in fig. 2 may be the same or different in structure. For convenience of the following examples, the following embodiments take the example that the data frame has three synchronization heads. The payload data 204 includes frame length indication information for indicating the receiver to receive, demodulate and decode according to the length of the frame. The frame length indication information may be the first byte, the last byte or a certain byte of the payload data, which is not particularly limited in the present application, so long as it can be used to indicate the reception of the transmission data, and perform demodulation and decoding.
In practical application, the decoding of the receiver adopts block codes, and takes bytes as units for decoding, and redundant bytes are removed, so that real transmission information is obtained. And determining the length of the frame by demodulating and decoding the frame length indication information, and receiving, demodulating and decoding the data according to the length of the frame. Typically, the frame length indication information is the first byte of payload data.
Optionally, detecting the synchronization header in the data frame includes:
Judging whether a preset synchronous head structure contained in the synchronous window is the same as a synchronous head in a synchronous window detection data frame or not;
In the same case, the synchronization head is considered to be detected;
in different cases, the received data within the synchronization window is shifted.
In the embodiment of the present disclosure, when the preset synchronization header structure included in the synchronization window is different from the synchronization header in the synchronization window detection data frame, shifting the received data in the synchronization window may be understood as that the synchronization window continues to monitor the next synchronization header. Under the condition that the synchronization window comprises a plurality of preset synchronization head structures and a detection sequence relation exists among the plurality of preset synchronization head structures, when the synchronization window detects that the first synchronization head is identical with the preset synchronization head structure, the next synchronization head is continuously detected, and the like. If the synchronization window detects that one of the synchronization heads is different from the preset synchronization head structure, the received data in the shift synchronization window can be understood as that the synchronization window re-detects the synchronization head with the same structure as the first preset synchronization head.
In practical application, referring to fig. 3, a schematic diagram of a synchronization window of a method for synchronous capturing of narrowband power line communication according to an embodiment of the disclosure includes a synchronization header 301, a synchronization window 302, and a synchronization header 303. The synchronization header 301 may be understood as a synchronization header to be detected, the synchronization window 302 may be understood as detecting a received data frame, the synchronization header in the data frame may be detected, and the synchronization header 303 may be understood as a detected synchronization header. The synchronization header 303 may be shifted received data when a preset synchronization header structure included in the synchronization window is different from a synchronization header in the synchronization window detection data frame; or, if the synchronization window includes a plurality of preset synchronization header structures and a detection sequence relationship exists among the plurality of preset synchronization header structures, the detected previous synchronization header is the same as the preset synchronization header structure.
S12, the state machine accumulates the number of the detected synchronous heads.
In the embodiment of the present disclosure, accumulating the number of detected synchronization heads may be understood as accumulating the number of synchronization heads when the synchronization window detects that the synchronization heads in the data frame are the same as a preset structure.
S13, confirming the data synchronous capturing when the accumulated number of the synchronous heads reaches a set threshold value. Wherein the threshold is set to an integer greater than 1.
In the embodiment of the present disclosure, when the cumulative number of the synchronization heads reaches the set threshold, confirming the data synchronization capturing may be understood as that the number of preset synchronization head structures is plural, and when the cumulative number of the synchronization heads reaches the preset number of synchronization heads, in this case, the data synchronization capturing is considered to be completed.
By adopting the method for synchronous capture of the narrowband power line communication, which is provided by the embodiment of the invention, the received data frame can be detected through the synchronous window, and the synchronous capture of the data can be confirmed under the condition that the accumulated number of the synchronous heads in the data frame reaches the threshold value. In the process of data synchronous capturing, the zero crossing time of the three-phase current is not required to be judged, and whether the data synchronous capturing is completed or not is judged by identifying the synchronous head through the synchronous window. Therefore, the reliability of the synchronous acquisition is improved while the synchronous acquisition is simplified, and the synchronous acquisition can be applied to more scenes.
Optionally, the data frame includes a plurality of synchronization headers that are identical in structure.
In the embodiment of the disclosure, the data frame includes a plurality of synchronization heads, and each synchronization head has the same structure.
In practical application, the multiple synchronization heads with the same structure may be 11011110, 01111111, 01111110 or other synchronization heads with other structures, which are not specifically limited in the present application, so long as they can be used to reflect the multiple data structures with the same structure in the data frame and are used for capturing the synchronization.
Therefore, a plurality of synchronous heads with the same structure are used, so that a receiver synchronous window does not need to judge different synchronous heads, and the realization difficulty of data synchronous capturing is effectively reduced. And by arranging a plurality of synchronous heads, false synchronous capturing caused by interference and noise influence on a power line channel can be effectively avoided, so that the reliability of synchronous capturing is improved.
Optionally, the length of each of the plurality of structurally identical sync heads is 1 byte.
In the embodiment of the present disclosure, the length of each of the plurality of synchronization headers with the same structure is 1 byte, and it is understood that the synchronization header structure may be 01111110 or other structures. Generally, a synchronization header structure of 01111110 is selected from a plurality of synchronization headers having the same structure and a length of 1 byte. The synchronization header 01111110 is verified by the HDLC (High-LEVEL DATA LINK Control) protocol in the data network, and generates the byte with the least collision with the transmitted data. By using the synchronous head 01111110, collision and collision in the data transmission process can be effectively avoided, so that waste of broadband is reduced, and the reliability of data transmission capturing is improved.
Optionally, the data frame includes a plurality of structurally different synchronization headers.
In the embodiment of the disclosure, the data frame includes a plurality of synchronization heads, and the structure of each synchronization head is not identical.
In practical applications, the structure of the synchronization header may be {11011110, 01111111, 01111110}, {01111110, 11011110} or other structures, which are not specifically limited in this application, so long as the structure of the synchronization header may be different and the structure of the synchronization header may be a specific data structure for capturing synchronization. In the above-mentioned synchronization header structure, the first preset synchronization header structure corresponds to 11011110 or 01111110, the second preset synchronization header structure corresponds to 01111111 or 01111110, and the third preset synchronization header structure corresponds to 01111110 or 11011110.
Thus, using a plurality of synchronization heads with different structures, the receiver synchronization window can perform data classification on the received data frame by judging each group of different synchronization head sequences. That is, each group of different synchronization header sequences may correspond to one data type, thereby effectively improving the convenience of synchronization acquisition. And by arranging a plurality of synchronous heads, false synchronous capturing caused by interference and noise influence on a power line channel can be effectively avoided, so that the reliability of synchronous capturing is improved.
Optionally, after detecting the synchronization header in the data frame, it may include: and sending a reset command to the synchronous window under the condition that the synchronous head in the detected data frame is different from the preset synchronous head.
In the embodiment of the present disclosure, when the synchronization header in the detected data frame is different from the preset synchronization header, sending a reset command to the synchronization window may be understood as sending, by the state machine, a reset command to the synchronization window when the synchronization window includes a preset synchronization header structure different from the synchronization header in the data frame, so that the synchronization window resumes detecting the synchronization header in the data frame. It should be understood that, in the case that the synchronization window includes a plurality of preset synchronization header structures, the difference between the synchronization header in the detected data frame and the preset synchronization header may be any preset synchronization header structure different from the corresponding synchronization header structure.
Referring to fig. 4, a method for synchronous capturing of narrowband power line communication according to an embodiment of the present disclosure is applied to a transmitting end, and includes:
s41, a transmitting end generates a data frame comprising a plurality of synchronous heads; wherein a plurality of synchronization heads are used for data synchronization acquisition;
in the embodiment of the disclosure, the transmitting end generates a data frame including a plurality of synchronization heads, so that the receiving end state machine can detect the synchronization heads in the data frame through the synchronization window, thereby completing data synchronization capture.
S42, the transmitting end transmits the data frame.
Optionally, all or part of the synchronization heads have the same structure.
In the embodiment of the present disclosure, the multiple synchronization headers generated by the transmitting end may be synchronization headers with the same structure, or synchronization headers with the same structure part. By using a plurality of synchronous heads with the same structure, the realization difficulty of synchronous capturing of the data of the receiving end can be reduced. By using a plurality of synchronization heads with different structures, the synchronization window of the receiving end can classify the received data frames by judging each group of different synchronization head sequences.
Therefore, by using a plurality of synchronization heads with different structures, the synchronization window of the receiving end can carry out data classification on the received data frames by judging each group of different synchronization head sequences, thereby effectively improving the convenience of synchronization capture. By using a plurality of synchronous heads with the same structure, the synchronous window of the receiving end can avoid judging different synchronous heads, and the realization difficulty of data synchronous capturing is effectively reduced. And by arranging a plurality of synchronous heads, false synchronous capturing caused by interference and noise influence on a power line channel can be effectively avoided, so that the reliability of synchronous capturing is improved.
Referring to fig. 5, a method for synchronous capturing of narrowband power line communication according to an embodiment of the present disclosure is applied to a transmitting end, and includes:
S51, the state machine is in an idle state.
In the embodiment of the disclosure, the receiving end designs a state machine to detect the received data frame, and the state machine detects the synchronization head in the received data frame by setting a synchronization window. It should be appreciated that the state machine is in an idle state with the synchronization window not having synchronization head acquisition.
S52, determine whether to capture the first synchronization header?
In the embodiment of the disclosure, when the state machine is in an idle state, the state machine detects the received data frame through a synchronization window, and the synchronization window captures a first synchronization header in the received data frame. And under the condition that the first synchronization head in the data frame is the same as the preset structure of the first synchronization head in the preset synchronization head structure of the synchronization window, the first synchronization head is considered to be captured, a flag is set to be flag 1=1, and the judgment of capturing of the second synchronization head is carried out. And setting a flag as flag1=0 under the condition that the first synchronization head in the data frame is different from the preset structure of the first synchronization head in the preset synchronization head structure of the synchronization window, and enabling the state machine to reenter the idle state.
S53, determine whether to capture the second synchronization header?
In the embodiment of the present disclosure, in the case where the flag is flag 1=1, the state machine continues to detect the received data frame through the synchronization window, and the synchronization window captures the second synchronization header in the received data frame. And under the condition that the second synchronization head in the data frame is the same as the preset structure of the second synchronization head in the preset synchronization head structure of the synchronization window, the second synchronization head is considered to be captured, the flag is set to be flag 2=1, and the third synchronization head capturing judgment is carried out. And setting a flag as flag 2=0 under the condition that the second synchronization head in the data frame is different from the preset structure of the second synchronization head in the preset synchronization head structure of the synchronization window, and enabling the state machine to reenter the idle state.
S54, determine whether to capture the third synchronization header?
In the embodiment of the present disclosure, in the case where the flag is flag 2=1, the state machine continues to detect the received data frame through the synchronization window, and the synchronization window captures the third synchronization header in the received data frame. And under the condition that the third synchronization head in the data frame is the same as the preset structure of the third synchronization head in the preset synchronization head structure of the synchronization window, capturing the third synchronization head, setting a flag as flag 3=1, and performing demodulation and decoding. And setting a flag as flag 3=0 when the third synchronization head in the data frame is different from the preset structure of the third synchronization head in the preset synchronization head structure of the synchronization window, and enabling the state machine to reenter the idle state.
S55, demodulation and decoding are carried out.
In the embodiment of the disclosure, the decoding of the receiver adopts block codes, and takes bytes as a unit for decoding, and redundant bytes are removed, so as to obtain real transmission information. And determining the length of the frame by demodulating and decoding the frame length indication information, and receiving, demodulating and decoding the data according to the length of the frame. Typically, the frame length indication information is the first byte of payload data.
In this way, the received data frame is detected through the synchronization window, and if the cumulative number of the synchronization header in the data frame reaches the threshold value, the data synchronization acquisition is confirmed. In the process of data synchronous capturing, the zero crossing time of the three-phase current is not required to be judged, and whether the data synchronous capturing is completed or not is judged by identifying the synchronous head through the synchronous window. Therefore, the reliability of the synchronous acquisition is improved while the synchronous acquisition is simplified, and the synchronous acquisition can be applied to more scenes.
As shown in connection with fig. 6, an embodiment of the present disclosure provides an apparatus for narrowband power line communication synchronization acquisition, applied to a receiving end or a transmitting end, including a processor (processor) 600 and a memory (memory) 601. Optionally, the apparatus may also include a communication interface (Communication Interface) 602 and a bus 603. The processor 600, the communication interface 602, and the memory 601 may communicate with each other via the bus 603. The communication interface 602 may be used for information transfer. The processor 600 may invoke logic instructions in the memory 601 to perform the method for narrowband power line communication synchronization acquisition of the above-described embodiments.
Further, the logic instructions in the memory 601 described above may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product.
The memory 601 serves as a computer readable storage medium, and may be used to store a software program, a computer executable program, and program instructions/modules corresponding to the methods in the embodiments of the present disclosure. Processor 600 performs functional applications and data processing by executing program instructions/modules stored in memory 601, i.e., implementing the method for narrowband power line communication synchronization acquisition in the above-described embodiments.
The memory 601 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for functions; the storage data area may store data created according to the use of the terminal device, etc. In addition, the memory 601 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides a system for synchronous acquisition of narrowband power line communication, which comprises the device for synchronous acquisition of narrowband power line communication.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for narrowband power line communication synchronization acquisition.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for narrowband power line communication synchronization acquisition.
The computer readable storage medium may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
Embodiments of the present disclosure may be embodied in a software product stored on a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of a method according to embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or a transitory storage medium.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this disclosure is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in the present disclosure, the terms "comprises," "comprising," and/or variations thereof, mean that the recited features, integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus that includes the element. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. The skilled artisan may use different methods for each particular application to achieve the described functionality, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the units may be merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. Each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A method for synchronous acquisition of narrowband power line communication, applied to a receiving end, the method comprising:
Detecting the received data frame through a synchronous window, and detecting a synchronous head in the data frame; each data frame comprises a plurality of synchronization heads, the synchronization window comprises a plurality of preset synchronization head structures, a detection sequence relationship exists among the plurality of preset synchronization head structures, and the preset synchronization head structures comprise 01111110, 01111111 and 11011110;
detecting a synchronization header in a data frame, comprising: judging whether a preset synchronous head structure contained in the synchronous window is the same as a synchronous head in a synchronous window detection data frame or not; in the same case, the synchronization head is considered to be detected; shifting the received data within the synchronization window under different conditions;
Accumulating the number of the detected synchronous heads;
confirming the data synchronous capturing under the condition that the accumulated number of the synchronous heads reaches a set threshold value;
wherein the set threshold is an integer greater than 1.
2. The method of claim 1, wherein the data frame comprises a plurality of structurally identical synchronization headers.
3. The method of claim 2, wherein the plurality of structurally identical synchronization headers are each 1 byte in length.
4. The method of claim 1, wherein the data frame comprises a plurality of structurally different synchronization headers.
5. The method according to any one of claims 1 to 4, further comprising, after detecting the synchronization header in the data frame:
And sending a reset command to the synchronous window under the condition that the synchronous head in the detected data frame is different from the preset synchronous head.
6. A method for synchronous acquisition of narrowband power line communication, applied to a transmitting end, the method comprising:
Generating a data frame comprising a plurality of synchronization headers; wherein the plurality of synchronization heads are used for data synchronization acquisition;
The data frame is sent, so that a receiving end detects the received data frame through a synchronization window, a plurality of synchronization heads in the data frame are detected, and data synchronization capture is confirmed under the condition that the accumulated number of the detected synchronization heads reaches a set threshold value;
The synchronization window comprises a plurality of preset synchronization head structures, and the preset synchronization head structures comprise 01111110, 01111111 and 11011110; detecting a plurality of synchronization headers in a data frame, comprising: judging whether a preset synchronous head structure contained in the synchronous window is the same as a synchronous head in a synchronous window detection data frame or not; in the same case, the synchronization head is considered to be detected; in different cases, the received data within the synchronization window is shifted.
7. The method of claim 6, wherein all or part of the plurality of synchronization heads are identical in structure.
8. An apparatus for power line communication synchronization acquisition, applied to a receiving end, comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the method for narrowband power line communication synchronization acquisition of any one of claims 1 to 5 when running the program instructions.
9. An apparatus for narrowband power line communication synchronization acquisition, applied to a transmitting end, comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the method for narrowband power line communication synchronization acquisition as claimed in claim 6 or 7 when running the program instructions.
10. A system for narrowband powerline communication synchronization acquisition, comprising means for narrowband powerline communication synchronization acquisition as recited in claims 8 and 9.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312349A (en) * | 2007-05-26 | 2008-11-26 | 华为技术有限公司 | Method and apparatus for information block encoding and synchronous detecting |
| CN101848185A (en) * | 2010-06-12 | 2010-09-29 | 电子科技大学 | Frame synchronizing signal design technique for burst communication |
| KR20110031620A (en) * | 2009-09-21 | 2011-03-29 | 에스케이 텔레콤주식회사 | Method and apparatus for frame synchronizing |
| CN103268138A (en) * | 2013-05-21 | 2013-08-28 | 四川九洲电器集团有限责任公司 | Pulse position coding synchronous head capture module and pulse position coding synchronous head capture method on basis of field programmable gate array (FPGA) design |
| CN107241116A (en) * | 2017-06-15 | 2017-10-10 | 杭州潇楠科技有限公司 | A kind of synchronous head design method for wireless monitor network |
| CN107257277A (en) * | 2017-05-11 | 2017-10-17 | 杭州航海仪器有限公司 | The many types of method for control of locking of serial frame synchronization |
| CN110391878A (en) * | 2019-07-23 | 2019-10-29 | 上海航天测控通信研究所 | Very high frequency(VHF) data exchange system ASM signal frame head inspecting method and preamble detecting device |
| CN111245543A (en) * | 2018-11-29 | 2020-06-05 | 鹤壁天海电子信息系统有限公司 | Method and device for searching air interface data synchronization head |
| CN113688083A (en) * | 2021-07-20 | 2021-11-23 | 天津津航计算技术研究所 | Data frame header identification system and method based on synchronous 422 interface |
-
2022
- 2022-04-13 CN CN202210385306.8A patent/CN114745029B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312349A (en) * | 2007-05-26 | 2008-11-26 | 华为技术有限公司 | Method and apparatus for information block encoding and synchronous detecting |
| KR20110031620A (en) * | 2009-09-21 | 2011-03-29 | 에스케이 텔레콤주식회사 | Method and apparatus for frame synchronizing |
| CN101848185A (en) * | 2010-06-12 | 2010-09-29 | 电子科技大学 | Frame synchronizing signal design technique for burst communication |
| CN103268138A (en) * | 2013-05-21 | 2013-08-28 | 四川九洲电器集团有限责任公司 | Pulse position coding synchronous head capture module and pulse position coding synchronous head capture method on basis of field programmable gate array (FPGA) design |
| CN107257277A (en) * | 2017-05-11 | 2017-10-17 | 杭州航海仪器有限公司 | The many types of method for control of locking of serial frame synchronization |
| CN107241116A (en) * | 2017-06-15 | 2017-10-10 | 杭州潇楠科技有限公司 | A kind of synchronous head design method for wireless monitor network |
| CN111245543A (en) * | 2018-11-29 | 2020-06-05 | 鹤壁天海电子信息系统有限公司 | Method and device for searching air interface data synchronization head |
| CN110391878A (en) * | 2019-07-23 | 2019-10-29 | 上海航天测控通信研究所 | Very high frequency(VHF) data exchange system ASM signal frame head inspecting method and preamble detecting device |
| CN113688083A (en) * | 2021-07-20 | 2021-11-23 | 天津津航计算技术研究所 | Data frame header identification system and method based on synchronous 422 interface |
Non-Patent Citations (1)
| Title |
|---|
| 基于内插的符号同步算法设计;田丽娟;杨平;;舰船电子工程;20130120(第01期);第1页第2段，图1 * |
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