WO2007131405A1 - Dispositif et procédé pour mettre en oeuvre la transmission de convergence et de non convergence d'une pluralité de services multitrajet - Google Patents

Dispositif et procédé pour mettre en oeuvre la transmission de convergence et de non convergence d'une pluralité de services multitrajet Download PDF

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Publication number
WO2007131405A1
WO2007131405A1 PCT/CN2007/000683 CN2007000683W WO2007131405A1 WO 2007131405 A1 WO2007131405 A1 WO 2007131405A1 CN 2007000683 W CN2007000683 W CN 2007000683W WO 2007131405 A1 WO2007131405 A1 WO 2007131405A1
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WO
WIPO (PCT)
Prior art keywords
aggregation
mapping
data service
data
frame
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PCT/CN2007/000683
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English (en)
Chinese (zh)
Inventor
Zhuoyi Li
Jing An
Peihua Jiang
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Zte Corporation
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Publication date
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Publication of WO2007131405A1 publication Critical patent/WO2007131405A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1652—Optical Transport Network [OTN]
    • H04J3/1658—Optical Transport Network [OTN] carrying packets or ATM cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1652—Optical Transport Network [OTN]

Definitions

  • the present invention relates to the field of communication transmission network technologies, and in particular, to an apparatus and method for realizing multi-channel multiple data service convergence and de-aggregation transmission. Background technique
  • DWDM Dense Wavelength Division Multiplexing
  • GE Gigabit Ethernet
  • FC Fibre Channel
  • the ITU-T International Telecommunication Union-Telecommunication Standardization Sector
  • GFP G.7041 general framing process standard
  • SDH Synchronous Digital Hierarchy
  • the optical transmission channel has a wide bandwidth
  • lOGbps has become the mainstream of the application
  • the 40Gbps system is about to be commercialized.
  • the optical transmission layer mostly adopts the F. based on the G.709 standard (forward error correction, forward error).
  • the OTN (Optical Transport Network) structure is transmitted. If the low-speed data service is directly connected to the optical transmission channel, a large amount of bandwidth is wasted.
  • the existing equipment adopts the data service when the data service is connected to the optical transmission network. The process of mapping to SDH and then mapping to OTN, the overhead of SDH is occupied by the bandwidth of OTN. Part of the bandwidth resources was wasted.
  • the technical problem to be solved by the present invention is to provide an apparatus and method for realizing multi-channel multiple data service convergence and de-aggregation transmission, and overcome the prior art multi-channel multi-rate data service when accessing an OTN network. It must be mapped to SDH first, and the virtual container of SDH is used to distinguish the channel, which causes the bandwidth utilization to be reduced.
  • the GFP frame is used to directly map the GFP frame to the OTN frame structure, which realizes the dynamic control of the service change of the data service access OTN network. .
  • a device for realizing multi-channel multiple data service aggregation and de-aggregation transmission which is characterized by:
  • Configurable data service encoding/decoding unit for accessing or deriving multiple data services, decoding data according to the type of accessed data service and converting it into a general framing process capable of receiving the identified pattern, or
  • the general framing process can identify the type of data service that the received pattern is converted into for access;
  • a rate adaptation unit configured to implement a data service rate in the configurable data service coding/decoding unit, which is consistent with a framing rate of a general framing process in the general framing process mapping aggregation/demapping solution aggregation unit;
  • a general framing process mapping aggregation/demapping solution aggregation unit is configured to implement mapping/demapping and aggregation/deconvergence of multiple data services based on a frame of a general framing process
  • An optical transport network mapping/demapping unit configured to map a frame obtained by the aggregation of the general framing process mapping aggregation/demapping solution aggregation unit map into a payload of the optical transport network, or to remove a frame of the general framing process
  • the optical transport network payload is demapped and sent to the general framing process mapping aggregation/demapping solution aggregation unit.
  • the device further includes:
  • the general framing process management information insertion/extraction unit is connected to the rate adaptation unit and the universal framing process mapping aggregation/demapping solution aggregation unit, and is configured to pass the rate adaptation unit when the service transmission has idle bandwidth. Insert channel-related management information in the frame of the general framing process, or The general framing process mapping aggregation/demapping solution aggregation unit extracts channel-related management information to realize convenient maintenance and management of the network.
  • the configurable data service encoding/decoding unit is configured to access or export multiple multiple data services, and decode data according to the accessed data service type and convert it into a general framing process to receive the identification.
  • the 88 code + 1 ⁇ indicator bit pattern, or the general framing process can recognize the received 8B code + K indicator bit pattern into the accessed data service type.
  • the general framing process mapping aggregation/demapping de-aggregation unit is further configured to poll each channel, and when the access data exists in a certain channel, the data accessed by the channel is mapped into the general framing process. Within the payload of the frame, and modify the channel identifier in the frame extension header of the general framing process as the current channel number.
  • the general framing process mapping convergence/demapping de-aggregation unit is further configured to transmit the decoded data to the rate adaptation unit of the corresponding channel according to the channel identifier of the frame extension header of the general framing process.
  • the present invention also provides a method for realizing multi-channel multiple data service aggregation and de-aggregation transmission, including data processing based on general framing process mapping aggregation and data service based on general framing process de-mapping solution and convergence in two directions , which is characterized by
  • the steps of the data service based on the general framing process mapping aggregation process include:
  • the steps of the data service based on the general framing process de-mapping solution convergence process include:
  • the steps of the data service based on the general framing process mapping aggregation process further include:
  • Step (2) is further followed by step (21): when there is idle bandwidth in the process of multi-channel multiple data service hybrid aggregation transmission, channel-related management information is inserted in a frame of the general framing process;
  • the step of the data service based on the general framing process de-mapping and de-aggregation process further comprises: step (m) after step (b): when there is idle bandwidth in the process of multi-channel multiple data service hybrid aggregation transmission, in general framing Channel related management information is extracted from the frames of the process.
  • the step (1) further includes: accessing a plurality of multiple data services, decoding the data according to the accessed data service type, and converting the data into a general framing process to receive the identification
  • the step (a) further includes: converting the received framing 8B code + K indicator bit pattern into a data service type of access by the general framing process.
  • the step (3) further includes: polling each channel, and discovering that when access data exists in a certain channel, the data accessed by the channel is mapped into the payload of the frame of the general framing process, and the universal modification is performed.
  • the channel identifier in the frame extension header of the framing process is the current channel number.
  • step (c) further comprises: performing rate adaptation on the decoded data according to the channel identifier of the frame extension header of the general framing process.
  • the method further includes: adjusting a payload length of the corresponding channel GFP frame; modifying a data service idle frame definition according to the service type, and adjusting a data service encoding/decoding mode.
  • the device and the method thereof support mixed aggregation and de-aggregation of multiple data services, which facilitates simultaneous access of different types of data services, saves fiber resources, omits SDH framing process, and improves bandwidth utilization.
  • the GFP management frame establishes an in-band private communication channel to facilitate network maintenance and management.
  • FIG. 1 is a functional structural diagram of a device according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of codec decoding of an 8B/10B encoding service according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of codec decoding of a non-8B/10B encoding service according to an embodiment of the present invention
  • Schematic diagram of the rate adaptation unit described in the example
  • FIG. 5 is a schematic diagram of a GFP mapping and aggregation unit according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a GFP demapping and deaggregation unit according to an embodiment of the present invention
  • Dynamic change control flow chart
  • FIG. 8 is a flowchart of a GFP management frame insertion process according to an embodiment of the present invention
  • FIG. 9 is a flowchart of a GFP management frame extraction process according to an embodiment of the present invention.
  • the device for implementing configurable hybrid aggregation of data services by using GFP in the embodiment is composed of five parts: configurable data service/ Decoding unit l l-ln, rate adaptation unit 21-2n, GFP mapping aggregation/demapping solution aggregation unit 3, OTN mapping/demapping unit 4, and GFP management information insertion/extraction unit 51-5n, where GFP management frame insertion
  • the /extracting units 51 - 5n do not need to be configured when it is not necessary to establish a GFP management channel.
  • the data service coding/decoding unit 11-ln can be configured to implement access or derivation of multi-channel multi-rate data services, and complete coding and decoding of service line patterns: that is, decoding data according to the accessed data service type and converting it into a pattern recognized by the GFP, or encoding the data decoded by the GFP frame to be restored to the accessed data service type data;
  • the rate adaptation unit 21-2n completes the adaptation process of the rate of accessing the data service and the GFP framing rate, eliminates the frequency difference between the two rates, achieves uniformity of the rate, and encodes/decodes the configurable data service during mapping aggregation.
  • the data decoded by the unit 11-ln is rate-matched, and then sent to the GFP mapping aggregation/demapping solution aggregation unit 3 to facilitate GFP framing; GFP mapping is performed when the demapping solution is aggregated.
  • the convergence/de-mapping solution aggregation unit 3 performs rate adaptation on the convergence and demapping data, and then sends the data to the configurable data service encoding/decoding unit 11-ln to make the data rate meet the requirements of the data/service standard;
  • the GFP night shot convergence/demapping solution aggregation unit 3 is configured to implement mapping aggregation of multiple multiple data services based on the GFP frame: that is, encapsulation of the GFP frame for each data service, and identifying the channel number, and then the GFP frames. Converging to the unified interface, and sending to the OTN mapping/demapping unit 4; also for de-mapping solution aggregation of multiple multiple data services based on the GFP frame, that is, the GFP frame received from the OT mapping/demapping unit 4 according to the channel The number is aggregated, and then the GFP frame is demapped to solve the payload;
  • the OTN mapping/demapping unit 4 implements the mapping of the GFP code stream from the IGMS received by the GFP mapping aggregation/demapping solution aggregation unit 3 to the OTN, and demaps the GFP frame from the OTN payload and sends it to the GFP map.
  • the GFP management information insertion/extraction unit 51-5n is connected to the rate adaptation unit 21-2n, the universal framing process mapping aggregation/demapping solution aggregation unit 3, and is used when the service transmission has idle bandwidth.
  • the channel-related management information is inserted into the frame of the general framing process to form a GFP management frame, or the channel-related management information is extracted from the GFP management frame by the general framing process mapping aggregation/demapping solution aggregation unit, so that the GFP management frame can be utilized.
  • This unit is an optional unit and can be configured without configuration.
  • the device for realizing the mixed aggregation of data services by using GFP includes the processing in two directions: the DMA framing of the data service, the mapping process to the OTN, and the deflation of the GFP frame, the GFP demapping, and the convergence to obtain the demapping process of the data service. .
  • the multi-path data service to the OTN mapping process The multiple data services are first respectively connected to the configurable data service codec unit 11-ln, which decodes the data according to the accessed service type and converts it into GFP framing.
  • the 8B code + K indicates the bit pattern that the unit can receive; the decoded data enters the rate adaptation unit 21-2n, and the rate adaptation unit adjusts the service rate to ensure that the service rate is consistent with the GFP frame rate; Entering the GHP mapping aggregation unit 3, the unit polls each channel. When it is found that there is access data in a certain channel, on the one hand, the data accessed by the channel is mapped into the payload of the GFP frame, and on the other hand, the GFP frame extension is modified.
  • the channel identifier in the header is the current pass.
  • the track number thereby completing the mapping and multiplexing process of the GFP frame; the multiplexed GFP frame is mapped into the payload of the OTN in the OTN mapping unit 4.
  • SDH By adding channel identifiers in the GFP frame for channel differentiation, SDH is adopted.
  • the method of virtual container or ODU Optical Data Unit
  • OTN demapping unit 4 extracts GFP frame from OTN payload, and then sends GFP to GFP de-mapping solution aggregation unit 3; GFP demapping, de-aggregation unit Decoding the GFP frame, obtaining service data, and transmitting the solved data to the rate adaptation unit 21-2n of the corresponding channel according to the channel identifier of the GFP frame extension header; the rate adaptation unit adjusts the data rate so that the rate satisfies the data service standard
  • the final configurable data service coding unit 11-ln completes the data recovery and data service according to the configured data type.
  • channel-related management information may be inserted in the GFP frame through the management information insertion unit 51-5n, and in the OTN to multiple data services.
  • the GFP frame is de-aggregated and de-mapped, and the management information is extracted by the management information extracting unit 51-5n.
  • the path-based management information transmission channel is established by the method, which is beneficial to the maintenance and management of the network.
  • FIG. 2 it is a codec diagram of an 8B/10B encoding service according to an embodiment of the present invention, which includes an 8B/10B conversion unit 201, which is a specific implementation of 11-ln in the foregoing.
  • One end is the 8B/10B encoded data service signal, and the other end is the decoded signal that the GFP framing unit can recognize.
  • the GFP framing unit can only receive the 8B code + K indicator bit pattern, it is necessary to convert the accessed service pattern.
  • 8B/10B coded services such as GE, FC, etc.
  • FIG. 3 it is a codec diagram of a non-8B/10B encoding service according to an embodiment of the present invention, which includes a byte+data indicating bit converting unit 301 and an 8B code+K indicating bit converting unit 302, which is a unit One end is a non-8B/10B encoded data service signal.
  • the combination of these two units is another specific implementation of 11-ln in the foregoing, and the other end is a decoded GFP framing unit. To identify the signal.
  • FIG. 4 it is a schematic diagram of the rate adaptation unit 21-2n according to the embodiment of the present invention.
  • One side of the unit signal is a signal that is consistent with the GFP framing unit rate, and the other side signal is the same access data.
  • the rate adaptation unit in the figure includes a memory 401, a memory read control unit 402, an idle information detecting unit 403, and an idle frame inserting/deleting unit 404.
  • rate adaptation unit Since the rate of accessing data is inconsistent with the rate of the GFP frame processing portion, a rate adaptation unit is required to perform rate conversion.
  • rate adaptation There are several ways to implement rate adaptation. The most common method at present is to use the CDR (Clock Data Recovery Unit) to extract the clock from the data service and use this clock to implement GFP framing to ensure clock consistency. This method has obvious effect in the input direction of the data service.
  • CDR Chip Data Recovery Unit
  • This method has obvious effect in the input direction of the data service.
  • the data communication is asynchronous communication, it is difficult to implement the clock transmission. Therefore, only the local clock can be used in the output direction of the data service, thereby causing the local clock of the output direction to be the same as the GFP.
  • the inconsistency of the framing clock still requires the method of this embodiment to implement rate adaptation.
  • the method shown in the figure is: when the data service to the GFP framing direction is one-to-one, that is, when mapping from multiple data services to OTN, the input signal is a signal with the same rate of access data service, and the output signal is A signal conforming to the GFP framing unit rate; the rate adapting unit detects the difference between the rates by the empty flag of the memory 401, and then adjusts the rate by adding and deleting idle frames of the data service.
  • the input signal is a signal that is consistent with the GFP framing unit rate, and the input signal is a signal consistent with the access data service rate, using the same
  • the method implements rate adaptation.
  • the idle frame definitions of different data services are different.
  • the idle frames of the GE service are defined as 28.5/D5.6/ and /K28.5/D16.2/ in IEEE 802.3;
  • the idle frames of the FC service are defined in ANSI X3.293yl994. It is / 28.5/D21.4/D21.5/D21.5/, so the rate adaptation unit needs to first set the idle frame according to the service type.
  • FIG. 5 it is a schematic diagram of a GFP mapping and aggregation unit according to an embodiment of the present invention, where the channel selection unit 501 polls each data service channel, and when the data service channel has a number of transmissions According to the time, the channel is selected, and the data and channel number are sent to the GFP frame mapping unit to achieve convergence of the data service.
  • the GFP frame mapping unit 502 puts the received data into the payload data of the GFP frame, and inserts the GFP frame header.
  • the GFP idle frame insertion unit 503 is A GFP idle frame is inserted when there is no GFP data frame, and a GFP data frame is transmitted when there is a data frame.
  • FIG. 6 a schematic diagram of a GFP demapping and de-aggregation unit according to an embodiment of the present invention, wherein a received GFP frame first enters a GFP idle frame deletion unit 603, removes a GFP idle frame, and GFP data is obtained.
  • the frame is transmitted to the GFP frame demapping unit 602; the GFP frame demapping unit 602 extracts the GFP frame header, extracts the payload header, obtains the channel number therefrom, extracts the payload data, and checks the GFP frame using the payload check byte.
  • the data, the extracted payload data and the channel number are sent to the channel allocating unit 601; the channel allocating unit 601 sends the data to the corresponding channel according to the channel number to implement the deaggregation operation.
  • Step 701 Adjust the length of the corresponding channel GFP frame payload data when the access data service is changed.
  • Step 702 Modify the data service idle frame definition according to the service type to meet the requirement of the rate adaptation unit.
  • Step 703 Adjust the data service coding/decoding mode to ensure that the configurable data service coding/decoding unit can normally access the changed access service.
  • the management information may be inserted into the GFP frame as needed to form a GFP management frame, and the specific steps are as follows: :
  • Step 801 determining whether a GFP data frame exists in the channel needs to be sent to the GFP mapping aggregation/demapping solution aggregation unit 3;
  • Step 802 Send a GFP data frame if a GFP data frame needs to be sent.
  • Step 803 If no GFP data frame needs to be sent, determine whether a GFP management frame needs to be sent.
  • Step 804 Send a management frame if a GFP management frame needs to be sent.
  • Step 805 Send a GFP idle frame if no GFP management frame needs to be sent.
  • the insertion of management frames needs to be carried out in separate channels.
  • the insertion of management information facilitates the establishment of in-band private communication channels to facilitate network maintenance and management.
  • a flowchart of a GFP management frame extraction process when there is no service data transmission, may also detect a GFP management frame according to requirements, and extract corresponding management frame information, as follows: :
  • Step 901 Determine whether a received frame sent from the GFP mapping aggregation/demapping solution aggregation unit 3 to the channel is a GFP idle frame.
  • Step 902 If the received frame is a GFP idle frame, deleting the GFP idle frame.
  • Step 903 If the received frame is not a GFP idle frame, determine whether the received frame is a GFP management frame.
  • Step 904 if the received frame is a GFP management frame, processing the GFP management frame;
  • Step 905 If the received frame is not a GFP management frame, process the GFP data frame.
  • the extraction of management frames also needs to be carried out in separate channels.
  • the extraction of management information is conducive to establishing an in-band private communication channel to facilitate network maintenance and management.
  • the device and the method thereof support mixed aggregation of multiple data services, which facilitates simultaneous access of different types of data services, saves fiber resources, omits SDH framing process, improves bandwidth utilization, and manages through GFP.
  • the frame establishes an in-band private communication channel to facilitate network maintenance and management.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

La présente invention concerne un dispositif et un procédé pour mettre en oeuvre la transmission de convergence et de non convergence d'une pluralité de services multitrajet. Le dispositif comporte: une unité de codage de service de données configurable pour décoder des données selon le type de service de données accédé et les transformer en un type de code qui peut être accepté et identifié par la procédure générale de verrouillage de trames, ou pour transformer le type de code qui peut être accepté et identifié par la procédure générale de verrouillage de trames en type de service de données accédé; une unité d'adaptation de débit pour mettre en oeuvre la concordance entre le débit de service de données et le débit de procédure générale de verrouillage de trames; une unité de mappage et de convergence/démappage et de non convergence pour mettre en oeuvre le mappage et le mappage/démappage et la convergence/non convergence pour la pluralité de services de données multitrajet; une unité de mappage/démappage de réseau de transmission optique pour le mappage de la trame de la procédure générale de verrouillage de trames vers le réseau de transmission optique, ou le démappage.
PCT/CN2007/000683 2006-05-15 2007-03-02 Dispositif et procédé pour mettre en oeuvre la transmission de convergence et de non convergence d'une pluralité de services multitrajet WO2007131405A1 (fr)

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CN200610080543A CN1881845B (zh) 2006-05-15 2006-05-15 实现多路多种数据业务汇聚传送的装置及其方法
CN200610080543.4 2006-05-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112865886A (zh) * 2020-12-30 2021-05-28 洛阳伟信电子科技有限公司 一种基于fpga实现fc通讯速率检测的方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101335750B (zh) * 2007-06-29 2012-08-08 华为技术有限公司 将以太网编码块映射到光传输网络传输的方法及装置
CN101499997B (zh) * 2008-01-29 2013-06-05 中兴通讯股份有限公司 一种多路低速业务复用及解复用装置及其方法
CN101340735B (zh) * 2008-08-20 2011-06-22 中兴通讯股份有限公司 一种信号汇聚、解汇聚的装置、方法及***
CN103684691B (zh) * 2013-12-05 2017-01-11 中国航空无线电电子研究所 一种同时支持fc协议8g和16g速率的通讯方法
CN111865887B (zh) * 2019-04-30 2022-05-13 华为技术有限公司 光传送网中的数据传输方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040105459A1 (en) * 2002-11-30 2004-06-03 Raghu Mannam Method and a system to build efficient communications networks in which MPLS functionality is incorporated within the SONET/SDH/OTN transport equipment by performing it in the GFP layer
CN1671113A (zh) * 2004-03-19 2005-09-21 港湾网络有限公司 一种以太网到sdh/sonet的映射和解映射方法
CN1747606A (zh) * 2004-09-09 2006-03-15 华为技术有限公司 业务数据传输方法及装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7822075B2 (en) * 2004-04-09 2010-10-26 Utstarcom Telecom Co., Ltd. Method and system of signal transmission in base transceiver station based on remote radio head
CN100349390C (zh) * 2004-08-11 2007-11-14 华为技术有限公司 光传送网中传输低速率业务信号的方法及其装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040105459A1 (en) * 2002-11-30 2004-06-03 Raghu Mannam Method and a system to build efficient communications networks in which MPLS functionality is incorporated within the SONET/SDH/OTN transport equipment by performing it in the GFP layer
CN1671113A (zh) * 2004-03-19 2005-09-21 港湾网络有限公司 一种以太网到sdh/sonet的映射和解映射方法
CN1747606A (zh) * 2004-09-09 2006-03-15 华为技术有限公司 业务数据传输方法及装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112865886A (zh) * 2020-12-30 2021-05-28 洛阳伟信电子科技有限公司 一种基于fpga实现fc通讯速率检测的方法

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