WO2014101087A1 - Procédé, dispositif et système de codage/décodage - Google Patents

Procédé, dispositif et système de codage/décodage Download PDF

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Publication number
WO2014101087A1
WO2014101087A1 PCT/CN2012/087804 CN2012087804W WO2014101087A1 WO 2014101087 A1 WO2014101087 A1 WO 2014101087A1 CN 2012087804 W CN2012087804 W CN 2012087804W WO 2014101087 A1 WO2014101087 A1 WO 2014101087A1
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WO
WIPO (PCT)
Prior art keywords
bit
valid data
value
transmitted
encoded information
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PCT/CN2012/087804
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English (en)
Chinese (zh)
Inventor
张帅
黄春行
董晓青
Original Assignee
华为技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/087804 priority Critical patent/WO2014101087A1/fr
Priority to CN201280002474.9A priority patent/CN103229444B/zh
Publication of WO2014101087A1 publication Critical patent/WO2014101087A1/fr

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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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0075—Transmission of coding parameters to receiver

Definitions

  • the present invention relates to communication technologies, and in particular, to an encoding/decoding method, apparatus, and system.
  • BACKGROUND OF THE INVENTION With the development of communication technologies, the rate of data transmission and the amount of data are constantly increasing. To improve the reliability of high-rate data transmission, the transmitted data is generally encoded, and the data is encoded. , coding efficiency, DC balance characteristics and bit error rate are all important factors to consider.
  • 64B./67B is a high-speed serial coding method with higher coding efficiency
  • the coding data of the coding method includes a 64-bit effective number ⁇ , 2-bit sync header and bit flip bit
  • setting the bit flip bit enables the decoding device at the receiving end to determine whether to flip the received valid data according to the flipped bit it receives, to obtain the transmitting end.
  • the data actually transmitted before the encoding device encodes
  • the BER of the present invention provides an encoding/decoding method, apparatus and system for reducing the bit error rate of the codec system.
  • an encoding method including: adding, before a valid data to be transmitted, a coded information and a predefined 2-bit toggle bit for flipping the transmitted valid data and the encoded information, so that the decoding device is received according to the received
  • the value of the toggle bit and the value of the predefined toggle bit determine whether a toggle bit transmission error occurs and whether the received valid data is inverted.
  • the coded information includes a 1-bit sync header;
  • the transmitted valid data encoding information and the inverted bits constitute the transmitted data frame.
  • the encoding information further includes an error check and a correction code for correcting the transmitted valid data and the encoded information.
  • the method further includes: sending valid data and encoding information Perform polarity statistics to obtain a statistical report of the polarity of the first polarity sent to the decoding device;
  • the value of the predefined toggle bit is “ ⁇ ”, indicating that the valid data and the encoded information are not generated.
  • Flip, "10” means that the valid data and encoding information sent is reversed or the value of the predefined toggle bit is ":10", indicating that the valid data and encoding information sent have not been inverted, "or indicates the valid data and encoding information sent.
  • a decoding method including:
  • Whether or not a flip bit transmission error occurs and whether the valid data is inverted is determined based on the value of the toggle bit and a predefined value of whether the transmitted valid data and the encoded information are inverted.
  • the encoding information further includes error checking and correction for error correction of the transmitted valid data and the encoded information.
  • the second implementation manner according to the value of the toggle bit and a predefined one-bit flip bit of the transmitted valid data and the encoded information The value determines whether a flip bit transmission error occurs and whether the valid data is flipped.
  • determining whether a flip bit transmission error occurs and whether the valid data is inverted is performed according to the value of the flipped bit and a predefined value of whether the transmitted valid data and the encoded information are inverted. If the value of the received flip bit is detected as a value of the non-predefined flip bit, the received valid data and the encoded information are subjected to polarity statistics, and the second polarity statistical result is obtained, and the first polarity statistical result is obtained. And the second polarity statistical result determines whether to flip the received valid data, otherwise it is determined according to the value of the received flip bit whether to flip the received valid data
  • the third implementation manner if the value of the toggle bit is "01", the valid number of the transmission and the coding information are not inverted. "10” means that the valid data and the encoded information are reversed, or the value of the inverted bit is "10", indicating that the transmitted valid data and the encoded information have not been inverted, "or indicates that the transmitted valid data and the encoded information are inverted.
  • an encoding apparatus including:
  • an encoding module configured to add, before the valid data to be sent, the encoding information and the predefined 2-bit flipping bit for inverting the transmitted valid data and the encoding information, so that the decoding device according to the value of the received flipping bit and the predefined flipping The value of the bit determines whether a flip bit transmission error occurs and whether the received valid data is inverted.
  • the encoded information includes 1. a bit sync header;
  • a framing module configured to transmit the transmitted data, the encoded information, and the flipped bits to form the transmitted data.
  • the encoded information further includes error checking and correcting codes for correcting the transmitted valid data and the encoded information.
  • the coding apparatus further includes:
  • a statistics module configured to perform polarity statistics on the transmitted valid data and the encoded information, and obtain a first polarity statistical result sent to the decoding device
  • the coding module is specifically configured to add coding information before the valid data that is sent, where the coded information includes an i-bit synchronization header, and specifically used to add a predefined valid data to the transmitted data before the valid data is sent. Encoding the inverted 2-bit toggle bit, and determining the value of the toggle bit according to the first polarity statistics result, so that the decoding device determines whether a flip bit transmission error occurs according to the value of the received toggle bit and the value of the predefined toggle bit.
  • the decoding device detects that the value of the received flip bit is a value of the non-predefined flip bit, performs polarity statistics on the received valid data and the encoded information, and obtains the second polarity statistical result, and according to the first pole The statistical results and the second polarity statistics determine whether to flip the received valid data.
  • the value of the predefined toggle bit is "01", indicating that the valid number of the transmission and the coding information are not Flip occurs, "10" indicates that the valid data and encoding information sent are reversed, or the value of the predefined toggle bit is "10", indicating that the valid data and encoding information sent have not been inverted, "0! indicates valid data sent. And encoding information is flipped"
  • a decoding apparatus including:
  • the acquiring module is configured to capture valid data, encoding information, and 2-bit flipping bits in the received data frame, where the encoding information includes a 1-bit sync header;
  • a decoding module configured to determine whether a value of the toggle bit and a predefined value of a 2-bit toggle bit of the transmitted valid data and the coded information are inverted, whether a flip bit transmission error occurs and whether the valid data is inverted
  • the encoding information further includes an error check and correction code for error correction of the transmitted valid data and the encoded information.
  • the acquiring module is further configured to obtain the first polarity statistics of the polarity statistics of the valid data and the encoded information sent by the encoding apparatus. Result
  • the decoding module is specifically configured to: if it is detected that the value of the received flip bit is a value of a non-predefined flip bit, perform polarity statistics on the received valid number ⁇ and the encoded information > obtain a second polarity statistical result, and according to The first polarity statistical result and the second statistical result determine whether to flip the received valid data, otherwise it is determined according to the value of the received flip bit whether to flip the received valid data.
  • the first implementation manner, or the second implementation manner, in the third implementation manner if the value of the toggle bit is “0”, the valid data and the encoded information are not flipped. 0" means that the transmitted valid number ⁇ and the encoded information are reversed, or the value of the inverted bit is "10", indicating that the transmitted valid data and the encoded information are not inverted, "0 means that the transmitted valid data and the encoded information are inverted"
  • a codec system including the above-described encoding device and the above-described decoding device.
  • the encoding apparatus of the present invention can increase the value of the toggle bit received by the decoding apparatus according to the value of the toggle bit it receives and the predefined toggle bit by adding a pre-defined ⁇ bit toggle bit to the transmitted valid data and the coded information before the transmitted valid data. The value determines whether the received toggle bit has a send error.
  • Figure ⁇ is a flow chart of the actual coding method of the present invention.
  • FIG. 2 is a flow chart of a practical example of a decoding method according to the present invention.
  • FIG. 3 is a schematic structural diagram of an embodiment of an encoding apparatus according to the present invention.
  • FIG. 4 is a schematic structural diagram of an embodiment of a decoding apparatus according to the present invention.
  • FIG. 5 is a schematic structural diagram of another embodiment of an encoding apparatus/decoding apparatus of the present invention.
  • FIG. 6 is a schematic structural diagram of a practical example of a codec system according to the present invention. detailed description
  • FIG. 1 is a flow chart of an embodiment of an encoding method according to the present invention. As shown in the figure, the encoding method of this embodiment includes
  • Step 101 Add, before the valid data to be transmitted, the encoding information and the predefined 2-bit toggle bit f that is valid for the transmitted data and the encoded information to be caused by the decoding device according to the value of the received flip bit and the predefined flip bit.
  • the value determines whether a flip bit transmission error occurs and whether the received valid data is inverted, the encoded information including a 1-bit sync header
  • the transmitting end embeds the clock in the data and transmits it to the receiving end.
  • the receiving end recovers the data and the clock separately by using clock and data recovery (CD).
  • CD clock and data recovery
  • the transmitted data is encoded at the transmitting end, so that the receiving end has sufficient data edges and good DC balance.
  • the pair of transmitting devices is effective.
  • the data adds some information, such as sync header and flip bit, etc., which will occupy certain transmission resources. Therefore, the encoding of the line at the transmitting end will reduce the coding efficiency to a certain extent, and use less coding information and obtain accurate information. High quality coded data is always what people expect.
  • the 64B/67B encoding has higher encoding efficiency, when the flipping bit in the encoding has a transmission error, the decoding device at the receiving end cannot judge the error, and thus the received valid data cannot be correctly flipped, so the codec is decoded.
  • the bit error rate is relatively high 9 embodiment, the encoding apparatus in the transmitting side to be transmitted before valid data increases!
  • the synchronization header of the bit is used to enable the decoding device at the receiving end to determine whether the transmitted effective number is control information or data information according to the synchronization header. Since the i-bit synchronization header is used, the number of code bits occupied by the encoded information can be reduced, which is advantageous for improving coding efficiency. .
  • the synchronization header can be set to indicate the control information ⁇ "(T indicates data information, and the synchronization header can be set to "0" for control information, and "1" for data information. For the flip bit to appear in the transmission The error is judged to reduce the decoding error caused by the inverted bit transmission error.
  • the number of bits of the inverted bit is extended to 2 bits, that is, the encoding device adds a predefined pair before the valid data to be transmitted.
  • the transmitted valid number ⁇ and the 2bii flip bit of the encoded information flipping because the 2bit flip bit is used, when the decoding device of the receiving end acquires the 2bii flip bit, it can determine whether the flip bit has a transmission error according to the value of the flip bit. "00", " ⁇ ", “0 ⁇ and "0" are four types. Since the probability of the 2-bit toggle bit changing at the same time in transmission is small, only the bit transmission error can be encoded and protected, that is, predefined.
  • the 2-bit flipping bit can be selected from the combination of "01” and “10” or the combination of "00” and “11", and the decoding device at the receiving end can judge according to the flipping bit it receives. Transmission error occurred. I.e. encoding and decoding devices can agree on a selected one of said predefined combination of whether the effective data transmission and the coding information bits inverted 2-bit flipping
  • the decoding device decodes the value of the inverted bit to be "0”, it is confirmed that the encoding device at the transmitting end does not reverse the transmitted significant number ⁇ and the encoded information at the time of encoding, and if the value of the obtained inverted bit is "10", it is confirmed.
  • the encoding device of the sending end reverses the transmitted effective number ⁇ and the encoding information during encoding, and can obtain the valid data to be actually sent before the encoding of the transmitting end encoder by inverting the received valid data;
  • the value is either "00", that is, the value of the obtained toggle bit is a value of the non-predefined flip bit, then it is confirmed that the transmission has an error, and the sender needs to retransmit the code number or need to further determine which transfer occurs. Error and handle it accordingly
  • the processing method after the decoding device of the receiving end acquires the flipping bit is similar to the processing in the above implementation manner.
  • the encoding device when the decoding device finds a flip bit transmission error, in order to avoid retransmission of the encoded data, the encoding device also transmits to the decoding device information for determining which flipping error occurs in the flipping bit, as long as the encoding device and the decoding device
  • the matching information is obtained by the same algorithm, and the encoding device transmits the captured comparison information to the decoding device, and the decoding device compares the received comparison information with the self-calculated comparison information to obtain the flipping bit.
  • the encoding device determines the value of the inverted bit to be transmitted based on the first polarity statistical result obtained by the encoding device, the valid data and the encoding of the transmitting device before the valid data, the encoded information and the inverted bit to be transmitted constitute the transmitted data frame.
  • the information is subjected to polarity statistics, and the first polarity statistical result is obtained, and the first polarity statistical result is sent to the decoding device at the receiving end, so that the decoding device can receive the value when detecting the value of the non-predefined turning bit.
  • the effective number ⁇ and the encoded information are entered into the row polarity statistics, and the second polarity statistical result is obtained, and according to the received first polarity statistical result and the second polarity statistical result, it is determined which one of the inversion bits in the transmission occurs.
  • the flipping error means that the decoding device compares the first polarity statistical result with the second polarity statistical result to determine whether the flipping bit is in the transmission error. For example, a predefined flip The values of the transposition are "10" and ⁇ s 01 ", and 3 ⁇ 4 "I and "00" are the values of the non-predefined flip bits. When the value of the detected flip bit is "00", that is, the non-predefined flip The value of the bit indicates that the transmission has an error.
  • the decoding device obtains the second polarity statistical result based on the polarity statistics of the received valid data and the encoded information, if the second polarity statistical result is received and received. If the first polarity statistics result is consistent, it is confirmed that the encoding device does not reverse the transmitted valid data and the encoded information, otherwise the confirmation encoding device reverses the transmitted valid data and the encoded information, and the value of the inverted bit can be determined from "10" is also changed from "01", so as to further determine whether the received valid number is flipped to obtain valid data to be transmitted before encoding by the encoding device.
  • Step 102 The transmitted valid data, the encoded information, and the flipped bits constitute a transmitted data frame.
  • the transmitted valid data > encoding information and the inverted bits constitute the transmitted digital frame, and the decoding device sent to the receiving end, for example, the valid data to be transmitted is 64.
  • the number of bits ⁇ , the encoding information is a 1-bit sync header, and the flipping bit is 2 bits, which can form a 67-bit data frame to be transmitted, where [63:0] is valid data, [64] is a sync header.
  • the encoding apparatus increases the value of the flipped bit received and the predefined by the decoding device by adding a predefined 2-bit toggle bit to the transmitted valid data and the encoded information before transmitting the valid data.
  • the value of the toggle bit determines whether the received toggle bit has a transmission error to retrieve the correct coded data; further, the value of the transmitted flip bit is determined and the first pole is determined by the obtained statistical value of the first polarity
  • the statistical statistic is sent to the receiving end, so that the decoding device at the receiving end can accurately determine which flipping error occurs in the flipping bit when determining the transmission error of the flipping bit, thereby determining whether to perform the flipping of the received valid data to realize the self-encoding data. Protection, which effectively reduces the bit error rate of the codec system, improves the coding shield, and ensures the coding efficiency is above 90% ⁇ ,
  • the present invention further carries an error detection for correcting the transmitted valid data and the encoded information on the basis of the above embodiments.
  • the error checking and correcting (ECC) code can realize the transmission of the effective number t and the encoded information by using the £CC code in the encoded information, and the transmitted data is transmitted by using the ECC code.
  • the effective data and the encoded information realize the self-protection of the encoding, which can avoid the problem that the receiving end decoding device needs to retransmit the data when the data transmission error is found, and further reduces the delay of the data transmission.
  • the valid data transmitted is 64-bit
  • FIG. 2 is a flowchart S of an embodiment of a decoding method according to the present invention. As shown in FIG. 2, the decoding method of the embodiment is:
  • Step 20 Obtain valid data encoding information and a 2-bit flipping bit in the received data frame, where the encoding information includes a 1-bit sync header.
  • the decoding device at the receiving end of the high-speed serial transmission system obtains the encoded data sent by the transmitting end, the data frame is parsed, and the valid data, the encoded information and the 2-bit flipping step carried in step 202 are obtained, according to the value of the flipping bit. And determining whether the value of the 2-bit flip bit inverted by the transmitted valid data and the encoded information determines whether a flip bit transmission error occurs and whether the valid data is inverted ⁇
  • the decoding device can determine whether an inverted bit has occurred during transmission based on the value of the inverted toggle bit and the value of the predefined toggle bit. For example, if the value of the received toggle bit is a value other than the predefined flip bit, then it is confirmed that the transmission has an error, and the sender needs to retransmit the coded data or further determine which transmission error occurred in the flip bit and perform corresponding processing.
  • the determination of the flipping bit by the decoding device in this step and the corresponding processing are as detailed in the above description of the encoding method embodiment, and are no longer obscured here.
  • the decoding apparatus in this embodiment determines whether a flip bit transmission error occurs and whether the valid data is inverted according to the value of the received toggle bit and the value of the predefined toggle bit, and may transmit a transmission error in the transfer bit during transmission. Corresponding processing and obtaining the correct coded data can effectively reduce the bit error rate of the codec system caused by the transmission error of the flip bit, thereby improving the coding quality.
  • the encoded information acquired by the decoding device further includes error checking and correcting ECC for correcting the transmitted valid data and the encoded information, and is effective for transmitting. encoding information into data and encoding protection line, further reducing the bit error rate codec system ⁇
  • the decoding device obtains whether the flipping bit transmission error occurs and whether the valid data is reversed according to the value of the toggle bit and the value of the predefined toggle bit, and also acquires the encoding device pair transmission.
  • the statistical result and the second polarity statistical result determine whether to flip the received valid data. If the value of the predefined flip bit is detected, it is confirmed that no error occurs during the sending of the inverted bit, and whether the value of the inverted bit is directly determined is determined according to the value of the inverted bit. Flip the valid data received.
  • the embodiment of the present invention further provides a processor for performing the method steps of the embodiment shown in FIG. 1 or FIG. 2 above.
  • the embodiment of the invention further provides a storage device; the storage device is configured to store the program instructions corresponding to the method steps of the embodiment shown in FIG. 1 or FIG. 2 above.
  • Embodiments of the present invention further provide an apparatus embodiment for implementing the steps and methods in the foregoing method embodiments.
  • the encoding apparatus of this embodiment includes: an encoding module 0 and a framing module 1], wherein the encoding module 10 is configured to be effective in sending Before the data, the encoding information and the predefined ⁇ bit flipping bit for the transmitted valid data and the encoding information are inverted to enable the decoding device to determine whether the flip bit transmission occurs according to the value of the received flip bit and the value of the predefined toggle bit.
  • the error and whether to flip the received valid number data, the encoding information includes a 1-bit sync header; the framing module 1 1 is configured to transmit the valid data encoding information and the flip bit into the transmitted data frame.
  • the encoding module adds 1 bit synchronization header information before the valid data to make the decoding device at the receiving end know whether the encoded data is data information or control information, and the added 2-bit flipping bit can make the decoding device. It is known whether a transmission error has occurred in the encoded data transmission, so that the decoding apparatus can perform corresponding decoding processing according to different situations. If no transmission error occurs, it is determined whether to flip the valid data directly according to the value of the received flip bit. Otherwise, it is necessary to transmit the retransmitted encoded data or determine whether the valid data is performed according to further determining which error has occurred. Inverted, in this way, the embodiment of the present invention can effectively reduce the occurrence of errors caused by the flip bit transmission.
  • the encoding apparatus of this embodiment may further include a statistic module (not shown) for performing polarity statistics on the transmitted significant digits and the encoded information, and acquiring the first polarity statistics sent to the decoding device.
  • a statistic module (not shown) for performing polarity statistics on the transmitted significant digits and the encoded information, and acquiring the first polarity statistics sent to the decoding device.
  • a predefined 2-bit flipping bit for the transmitted valid data and the encoded information is added, and the value of the flipping bit is determined according to the first polarity statistical result, so that the receiving end Decoding means determining, according to the value of the received toggle bit and the value of the predefined toggle bit, whether a toggle bit transmission error occurs, and the ⁇ decoding means detects that the value of the received toggle bit is a value of a non-predefined toggle bit,
  • the valid data and the encoded information are carried out.
  • the polarity statistics are obtained, and the second polarity statistical result is obtained and determined according to the first
  • the coded information further includes 4 error checking and correcting the ECC code for correcting the transmitted effective number ⁇ and the encoded information, and the transmission can be implemented by the ECC code.
  • the effective data and coding information are protected by coding, thereby further reducing the bit error rate of the codec system.
  • the coding apparatus of this embodiment can be used to implement the technical solution of the foregoing coding method embodiment, and the working principle and the technical effects achieved are similar, and no further details are entertained here.
  • the decoding apparatus of this embodiment includes: a capturing module 20 and a decoding module 21, wherein the acquiring module 20 is configured to acquire received data.
  • the valid data, the encoded information, and the 2-bit flipping bit, the encoding information includes a 1-bit sync header;
  • the decoding module 21 is configured to determine whether a flip bit transmission error occurs according to the value of the toggle bit and the value of the predefined toggle bit And whether to flip the valid data.
  • the obtained module obtains the number of encoded frames transmitted by the transmitting end, and decomposes the data frame to obtain the valid data> encoding information and the 2-bit flipping bit, and the decoding module obtains the flipping bit and the pre-acquisition according to the acquiring module.
  • the value of the defined 2-bit flip bit is compared to determine whether a flip bit transmission error occurs for corresponding processing, and the bit error rate caused by the flip bit transmission error can be reduced.
  • the encoding information decoded by the decoding device may further include an ECC code for encoding and protecting the transmitted valid data and the encoded information.
  • the acquiring module of the decoding device further acquires the The statistical information is collected, so that when the value of the received flip bit is detected as a value of the non-predefined flip bit, the decoding module performs the polarity statistics on the received valid number ⁇ and the encoded information to obtain the second polarity statistic.
  • the decoding device of the present embodiment can be used to implement the technical solution of the foregoing decoding method embodiment, and the working principle and the technical effects achieved are similarly not described in detail herein.
  • FIG. 5 is a schematic structural diagram of another embodiment of an encoding apparatus/decoding apparatus according to the present invention.
  • the encoding apparatus/decoding apparatus of this embodiment includes a CRJ 50, a memory 52, a communication interface 54, and a bus 53, wherein the CPU 50 can be used.
  • the memory 52 can be used to store program instructions corresponding to the steps in the above-described encoding method embodiment or decoding method embodiment
  • the communication interface 54 can be used to transmit or
  • the received encoded data frame 5 bus 53 is used for communication between the various functional units within the encoding device/decoding device. In the actual application, if the encoding device is shown in FIG.
  • the CPU 50 when the CPU 50 acquires the valid data to be transmitted, the CPU 50 encodes the transmission data according to the program instruction stored in the memory 52, and forms an encoded data frame, which is sent to the communication interface 54.
  • the decoding device is shown in FIG. 5, when the communication interface 54 receives the encoded data frame transmitted by the transmitting end, it transmits it to the CPLI 50, and the CPU 50 parses the digital frame according to the program instruction stored in the memory 52. Process to obtain valid data before encoding.
  • FIG. 6 is a schematic structural diagram of an embodiment of a codec system according to the present invention.
  • the codec system of this embodiment includes the above-mentioned coding apparatus shown in FIG. 3 or FIG. 5 and FIG. 4 or FIG. 5 described above.
  • the decoding device 200 is shown.
  • the encoding device 100 is configured to encode the number of frames to be transmitted to form a transmitted encoded data frame
  • the decoding device 200 is configured to decode the encoded data frame obtained by the encoding device and capture the data to be transmitted before encoding by the encoding device.
  • the codec system of the present embodiment can increase the 2-bit predefined toggle bit by the encoding device before the valid data transmitted, so that the decoding device can receive the data encoded by its transmission according to the value of the received toggle bit and the predefined
  • the toggle bit is compared to determine if a transfer bit has occurred in the transfer. An error can be taken to take the appropriate processing to obtain an accurate data before the encoding of the encoding device.
  • the coding and decoding system of this embodiment can complete the technical solution of the technical solution and the decoding method embodiment of the foregoing coding method embodiment, and the working principle and the technical effects achieved are similar, and are not detailed here. Description 4
  • the present invention may be implemented in hardware, or in a firmware implementation, or a combination thereof.
  • the functions described above may be stored in or embodied as one or more instructions or code on a computer readable medium, including computer storage media and communication media.
  • a computer-readable media can comprise RAM, ROM , EEPROM, CO-ROM or other optical disc storage, magnetic storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of an instruction or data structure and that can be accessed by a computer. Also. Any connection may suitably be a computer readable medium.
  • a 5 coaxial cable is transmitted from a website > server or other remote source.
  • fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared wireless and oscillating waves are included in the fixing of the associated medium.
  • a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disc, and a Blu-ray disc, wherein the disc is usually magnetically copied, and The disc uses a laser to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

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Abstract

La présente invention concerne un procédé, un dispositif et un système de codage/décodage. Le procédé de codage comprend les étapes consistant à : ajouter des informations de codage et un bit de basculement de 2 bits prédéfini concernant la nécessité d'effectuer un basculement sur des données valides envoyées et sur les informations de codage ou non avant les données valides envoyées pour permettre à un dispositif de décodage de déterminer s'il faut générer ou non une erreur d'envoi de bits de basculement et s'il faut effectuer ou non un basculement sur des données valides reçues en fonction de la valeur d'un bit de basculement reçu et de la valeur du bit de basculement prédéfini, les informations de codage comprenant un en-tête de synchronisation de 1 bit ; et intégrer les données valides envoyées, les informations de codage et le bit de basculement dans une trame de données envoyée. Au moyen d'un bit de basculement de 2 bits, la présente invention permet à un système de codage/décodage de réduire efficacement le taux d'erreur binaire du système.
PCT/CN2012/087804 2012-12-28 2012-12-28 Procédé, dispositif et système de codage/décodage WO2014101087A1 (fr)

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CN201280002474.9A CN103229444B (zh) 2012-12-28 2012-12-28 编码/解码方法、装置及系统

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WO2018085771A1 (fr) * 2016-11-06 2018-05-11 Gideon Samid Émetteur permettant le codage d'informations au moyen de bits basculés de manière aléatoire et transmission desdites informations par l'intermédiaire d'un canal de communication
CN108051829A (zh) * 2017-11-06 2018-05-18 深圳开阳电子股份有限公司 一种卫星导航接收机及其导航比特同步方法和装置
CN110972338A (zh) * 2018-09-28 2020-04-07 北京松果电子有限公司 确定用户设备循环冗余校验crc错误的方法、用户设备、基站及存储介质
US10728028B2 (en) 2016-02-18 2020-07-28 Gideon Samid Transmitter for encoding information with randomly flipped bits and transmitting that information through a communications channel

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104052577B (zh) * 2014-06-23 2017-11-24 硅谷数模半导体（北京）有限公司 信号传输的处理方法和装置及视频数据的传输方法和系统
CN108847916B (zh) * 2018-05-30 2020-12-04 深圳市华星光电技术有限公司 编码方法、设备及可读存储介质
CN112436989B (zh) * 2020-11-11 2021-12-14 北京天融信网络安全技术有限公司 一种can数据帧的信号识别方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1393996A (zh) * 2001-06-29 2003-01-29 日本胜利株式会社 数字信号的调制方法、调制装置及记录媒体
JP2004312133A (ja) * 2003-04-03 2004-11-04 Victor Co Of Japan Ltd 符号化方法、符号化装置、復号方法、復号装置、及び情報記録媒体
CN101729198A (zh) * 2008-10-27 2010-06-09 华为技术有限公司 一种编解码方法、装置及系统
CN101867450A (zh) * 2010-06-04 2010-10-20 深圳市国微控股股份有限公司 基于有线数字电视的频谱翻转检测和纠正装置及方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101483190B1 (ko) * 2008-09-05 2015-01-19 삼성전자주식회사 메모리 시스템 및 그것의 데이터 처리 방법
CN102480333B (zh) * 2010-11-22 2014-08-13 华为技术有限公司 线路编码方法、编码数据块同步的处理方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1393996A (zh) * 2001-06-29 2003-01-29 日本胜利株式会社 数字信号的调制方法、调制装置及记录媒体
JP2004312133A (ja) * 2003-04-03 2004-11-04 Victor Co Of Japan Ltd 符号化方法、符号化装置、復号方法、復号装置、及び情報記録媒体
CN101729198A (zh) * 2008-10-27 2010-06-09 华为技术有限公司 一种编解码方法、装置及系统
CN101867450A (zh) * 2010-06-04 2010-10-20 深圳市国微控股股份有限公司 基于有线数字电视的频谱翻转检测和纠正装置及方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10728028B2 (en) 2016-02-18 2020-07-28 Gideon Samid Transmitter for encoding information with randomly flipped bits and transmitting that information through a communications channel
WO2018085771A1 (fr) * 2016-11-06 2018-05-11 Gideon Samid Émetteur permettant le codage d'informations au moyen de bits basculés de manière aléatoire et transmission desdites informations par l'intermédiaire d'un canal de communication
CN108051829A (zh) * 2017-11-06 2018-05-18 深圳开阳电子股份有限公司 一种卫星导航接收机及其导航比特同步方法和装置
CN108051829B (zh) * 2017-11-06 2021-09-28 深圳开阳电子股份有限公司 一种卫星导航接收机及其导航比特同步方法和装置
CN110972338A (zh) * 2018-09-28 2020-04-07 北京松果电子有限公司 确定用户设备循环冗余校验crc错误的方法、用户设备、基站及存储介质
CN110972338B (zh) * 2018-09-28 2021-09-21 北京小米松果电子有限公司 确定用户设备循环冗余校验crc错误的方法、用户设备、基站及存储介质

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