KR20210089325A - Usb cable for transmitting and receiving data at high speed and method for transmitting and receiving data at high speed using the same - Google Patents

Abstract

Provided are a USB cable for high-speed data transmission/reception and a high-speed data transmission/reception method using the same. The USB cable for high-speed data transmission/reception according to various embodiments of the present invention comprises: a first terminal connected to a first device; a second terminal connected to a second device; a high-speed communication cable that connects the first terminal and the second terminal to transmit a first data signal transmitted from the first device to the second device, and transmits a second data signal transmitted from the second device to the first device; and a signal correction part provided in each of the first terminal and the second terminal, and performing correction for the first data signal and the second data signal. Therefore, the present invention is capable of allowing high-speed data transmission/reception without data loss.

Description

USB CABLE FOR TRANSMITTING AND RECEIVING DATA AT HIGH SPEED AND METHOD FOR TRANSMITTING AND RECEIVING DATA AT HIGH SPEED USING THE SAME

Various embodiments of the present invention relate to a USB cable for high-speed data transmission/reception and a high-speed data transmission/reception method using the same.

In general, a Universal Serial Bus (USB) is one of input/output standards used to connect an electronic device and an electronic device or an electronic device and a peripheral device. USB is an interface protocol replacing various existing serial or parallel type connection ports. At first, USB was mainly used to connect a personal computer and peripheral devices therefor, and various kinds of electronic devices are being developed according to industrial development, and the application of USB is expanding recently.

In particular, techniques for reducing transmission errors due to circuits embedded in USB cables and improving transmission speed and transmission quality have been proposed. In addition, a technology for solving the inconvenience of installation due to the limitation of the length of the USB cable by developing a USB cable technology with a built-in USB hub has been proposed.

On the other hand, USB data communication technology is constantly being updated over the years. USB 3.1, the latest standard, supports transfer speeds of up to 10Gb/s, exceeding the speed of the built-in SATA interface. was also newly introduced.

USB-IF (USB Implementers Forum), a group of companies in charge of USB standard technology, confirmed the USB 3.1 standard and changed the official name of USB 3.0 to 'USB 3.1'. Therefore, USB 3.0, which has been used until now, becomes 'USB 3.1 Gen 1 (1st generation USB 3.1)' according to the new regulation, and the standard previously announced as USB 3.1 is 'USB 3.1 Gen 2 (2nd generation USB 3.1)'. are separated

However, when a data signal is transmitted according to the second generation USB 3.1 standard (USB 3.1 Gen 2) through a conventional USB cable, that is, a shielded twisted pair cable composed of copper wire, the transmission distance is shortened due to channel loss. Limited to very short distances within 1m. Therefore, it is necessary to develop a high-speed data transmission/reception USB cable capable of extending the range of 5 to 20 m without data loss.

Korean Patent Publication No. 10-2009-0106359 (published on Nov. 5, 2009)

An object of the present invention is to provide a high-speed data transmission/reception USB cable capable of transmitting and receiving data at high speed without data loss up to a mid- to long-distance distance of 5 m or more, and a high-speed data transmission/reception method using the same.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

A USB cable for high-speed data transmission and reception according to an embodiment of the present invention for solving the above-described problems includes a first terminal connected to a first device, a second terminal connected to a second device, the first terminal and the second terminal a high-speed communication cable connecting two terminals, transmitting a first data signal transmitted from the first device to the second device, and transmitting a second data signal transmitted from the second device to the first device; and a signal correction unit provided in the first terminal and the second terminal, respectively, and performing correction on the first data signal and the second data signal.

In various embodiments, the signal compensator may include a re-drive unit for compensating for signal level attenuation of the first data signal and the second data signal, and a high frequency wave of the first data signal and the second data signal. an equalizer unit for equalizing attenuation of a component and a low frequency component, recovers clock signals for the first data signal and the second data signal, and according to the restored clock signal, the first data signal and the second data signal and a re-timer unit for reproducing a data signal, and a control module for controlling operations of the re-drive unit, the equalizer unit, and the re-timer unit, respectively.

In various embodiments, the control module may determine a correction level for each of the first data signal and the second data signal based on the transmission rates of the first data signal and the second data signal.

In various embodiments, the control module controls that, when the transmission rates of the first data signal and the second data signal are less than or equal to a reference speed, the redrive unit and the equalizer unit operate, and the retimer unit does not operate; , when the transmission rates of the first data signal and the second data signal exceed a reference speed, the redrive unit, the equalizer unit, and the retimer unit may be controlled to operate.

In various embodiments, the control module may determine a correction level for each of the first data signal and the second data signal based on the length of the high-speed communication cable.

In various embodiments, it includes a first connection part for connecting the first terminal and the high-speed communication cable to be detachably or coupleable, and a second connection part for connecting the second terminal and the high-speed communication cable to be detachably or coupleable, The control module determines the length of the high-speed communication cable coupled to the first connection part and the second connection part, and receives each of the first data signal and the second data signal based on the determined length of the high-speed communication cable. It is possible to determine the correction level for

In various embodiments, the control module controls that, when the length of the high-speed communication cable is less than or equal to a reference length, the redrive unit and the equalizer unit operate, and the retimer unit does not operate, and the length of the high-speed communication cable is When the reference length is exceeded, the redrive unit, the equalizer unit, and the retimer unit may be controlled to operate.

In various embodiments, the control module is configured to obtain a first feedback signal for the second data signal from the first device, obtain a second feedback signal for the first data signal from the second device, and A correction level for the first data signal and the second data signal may be set based on the first feedback signal and the second feedback signal.

In various embodiments, the signal compensator may be mounted on a printed circuit board (PCB) provided in the first terminal and the second terminal.

In a high-speed data transmission/reception method using a high-speed data transmission/reception USB cable according to another embodiment of the present invention for solving the above-mentioned problems, a data signal is transmitted/received at high speed using the USB cable for high-speed data transmission/reception according to an embodiment of the present invention The method of claim 1, further comprising: setting an operation of the signal correction unit based on at least one of a length of the high-speed communication cable and a transmission speed of the data signal; obtaining the first data signal from the first device; obtaining the second data signal from a second device, performing a correction on the data signal, and transferring the corrected first data signal to the second device, and transmitting the corrected second data signal to the first device and delivering to the device.

Other specific details of the invention are included in the detailed description and drawings.

According to various embodiments of the present invention, it is possible to provide a high-speed data transmission/reception USB cable capable of high-speed data transmission/reception without data loss up to a medium-long distance of 5 m or more, and a high-speed data transmission/reception method using the same.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 and 2 are diagrams illustrating a USB cable for high-speed data transmission/reception according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of transmitting a first data signal and a second data signal transmitted from a first device and a second device using a USB cable for high-speed data transmission/reception according to an embodiment of the present invention.
4 is a diagram illustrating a first terminal of a USB cable for high-speed data transmission/reception according to an embodiment of the present invention.
5 is a flowchart of a method of controlling an operation of a signal compensator according to a data signal transmission speed by a USB cable for high-speed data transmission and reception, according to various embodiments of the present disclosure;
6 is a diagram illustrating a form in which a high-speed communication cable of a USB cable for high-speed data transmission/reception is separated or combined according to various embodiments of the present disclosure;
7 is a flowchart of a method of controlling an operation of a signal compensator according to a length of a high-speed communication cable by a USB cable for high-speed data transmission and reception according to various embodiments of the present disclosure;
8 is a flowchart of a method of controlling an operation of a signal compensator according to a feedback signal received from a first device or a second device by a USB cable for high-speed data transmission and reception, according to various embodiments of the present disclosure;
9 is a diagram illustrating a configuration of a control module of a USB cable for high-speed data transmission/reception according to various embodiments.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and those of ordinary skill in the art to which the present invention pertains. It is provided to fully understand the scope of the present invention to those skilled in the art, and the present invention is only defined by the scope of the claims.

The terminology used herein is for the purpose of describing embodiments and is not intended to limit the present invention. As used herein, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other components in addition to the stated components. Like reference numerals refer to like elements throughout, and "and/or" includes each and every combination of one or more of the recited elements. Although "first", "second", etc. are used to describe various elements, these elements are not limited by these terms, of course. These terms are only used to distinguish one component from another. Accordingly, it goes without saying that the first component mentioned below may be the second component within the spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used herein will have the meaning commonly understood by those of ordinary skill in the art to which this invention belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless specifically defined explicitly.

As used herein, the term “unit” or “module” refers to a hardware component such as software, FPGA, or ASIC, and “unit” or “module” performs certain roles. However, “part” or “module” is not meant to be limited to software or hardware. A “unit” or “module” may be configured to reside on an addressable storage medium or to reproduce one or more processors. Thus, by way of example, “part” or “module” refers to components such as software components, object-oriented software components, class components and task components, processes, functions, properties, Includes procedures, subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, databases, data structures, tables, arrays and variables. Components and functionality provided within “parts” or “modules” may be combined into a smaller number of components and “parts” or “modules” or as additional components and “parts” or “modules”. can be further separated.

Spatially relative terms "below", "beneath", "lower", "above", "upper", etc. It can be used to easily describe the correlation between a component and other components. A spatially relative term should be understood as a term that includes different directions of components during use or operation in addition to the directions shown in the drawings. For example, when a component shown in the drawing is turned over, a component described as “beneath” or “beneath” of another component may be placed “above” of the other component. can Accordingly, the exemplary term “below” may include both directions below and above. Components may also be oriented in other orientations, and thus spatially relative terms may be interpreted according to orientation.

In this specification, a computer means all types of hardware devices including at least one processor, and may be understood as encompassing software configurations operating in the corresponding hardware device according to embodiments. For example, a computer may be understood to include a smartphone, a tablet PC, a desktop, a notebook computer, and a user client and an application running on each device, but is not limited thereto.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Each step described in this specification is described as being performed by a computer, but the subject of each step is not limited thereto, and at least a portion of each step may be performed in different devices according to embodiments.

1 and 2 are diagrams illustrating a USB cable for high-speed data transmission/reception according to an embodiment of the present invention, and FIG. 3 is a first device and a second device using the USB cable for high-speed data transmission/reception according to an embodiment of the present invention. It is a diagram illustrating a configuration for transmitting a first data signal and a second data signal transmitted from two devices.

1 to 3 , the USB cable 100 for high-speed data transmission and reception according to an embodiment of the present invention may include a first terminal 110 , a second terminal 120 , and a high-speed communication cable 130 . have.

Here, the USB cable 100 for high-speed data transmission and reception shown in FIGS. 1 to 3 is according to an embodiment, and its components are not limited to the embodiment shown in FIGS. 1 to 3, and additional, if necessary, may be changed or deleted.

In an embodiment, the first terminal 110 may be connected to a first device (eg, 10 of FIG. 4 ) and may receive a first data signal transmitted from the first device 10 . For example, in the first terminal 110 , at least a portion of the first terminal 110 is inserted into the first device 10 to be coupled with a cable connection pin provided in the first device 10 . (10) can be connected. However, the present invention is not limited thereto.

In an embodiment, the first terminal 110 transmits the first data signal transmitted from the first device 10 to the second device (eg, 20 in FIG. 4 ), but performs correction on the first data signal Then, the corrected first data signal may be transmitted to the second device 20 . To this end, the first terminal 110 may include a first signal correction unit 111 and a first control module 112 .

In various embodiments, the first signal correction unit 111 and the first control module 112 may be mounted on a printed circuit board (PCB) provided in the first terminal 110 . have. However, the present invention is not limited thereto.

In an embodiment, the second terminal 120 may be connected to the second device 20 and may receive a second data signal transmitted from the second device 20 . For example, the second terminal 120 is formed in the same shape as the first terminal 110 (eg, at least a portion of the second terminal 120 is inserted into the second device 20 to form the second device 20 ) may be connected to the second device 20 by being coupled to the cable connection pin provided in the . However, the present invention is not limited thereto.

In one embodiment, the second terminal 120 transfers the second data signal transmitted from the second device 20 to the first device 10 , performs correction on the second data signal, and performs the corrected first data signal. 2 data signals may be transmitted to the first device 10 . To this end, the second terminal 120 may include a second signal correction unit 121 and a second control module 122 .

In various embodiments, the second signal correction unit 121 and the second control module 122 may be mounted on a PCB provided in the second terminal 120 . However, the present invention is not limited thereto.

In various embodiments, the first terminal 110 and the second terminal 120 may be formed in the same shape. However, the present invention is not limited thereto, and may be formed in various shapes according to the shape of the cable connection pins provided in the first device 10 and the second device 20 to be connected. Hereinafter, the configuration of the first terminal 110 will be described in more detail with reference to FIG. 4 .

4 is a diagram illustrating a first terminal of a USB cable for high-speed data transmission/reception according to an embodiment of the present invention.

Referring to FIG. 4 , in various embodiments, the first terminal 110 may include a signal correcting unit (eg, the first signal correcting unit 111 ) and a control module (eg, the first control module 112 ). can

Here, the signal correcting unit and the control module may be provided in the first terminal 110 and the second terminal 120, respectively (eg, the first signal correcting unit 111 and the first signal correcting unit provided in the first terminal 110) The first control module 112 and the second signal correction unit 121 and the second control module 122) provided in the second terminal 120, the first terminal 110 and the second terminal 120 provided in the The signal compensator and the control module are formed in the same shape and may perform the same function.

Hereinafter, the operations of the first signal correction unit 111 and the first control module 112 provided in the first terminal 110 are exemplarily described, but the present invention is not limited thereto. The provided second signal correcting unit 121 and the second control module 122 may also perform the same operations and functions as those of the first signal correcting unit 111 and the first control module 112 described below. have.

In an embodiment, the first signal correction unit 111 may perform correction on the first data signal transmitted from the first device 10 . To this end, the first signal correction unit 111 may include a re-drive unit 111a, an equalizer unit 111b, and a re-timer unit 111c. However, the present invention is not limited thereto, and may include at least one of a redrive unit 111a, an equalizer unit 111b, and a retimer unit 111c.

In an embodiment, the redrive unit 111a may compensate for signal level attenuation of the first data signal and the second data signal. For example, the redrive unit 111a may adjust a signal level for driving the first data signal and the second data signal. However, the present invention is not limited thereto.

In an embodiment, the equalizer 111b may equalize attenuation of the high frequency component and the low frequency component of the first data signal and the second data signal.

In general, the high-frequency component of a signal is more severely attenuated than the low-frequency component. Even though there is a difference in attenuation, if the high-frequency component and the low-frequency component are equally compensated, the low-frequency component becomes too large and distortion of the signal may occur. In order to solve this problem, the equalizer 111b performs correction (eg, pre-emphasis or de-emphasis) on the first data signal and the second data signal before or after. The attenuation of the high frequency component and the low frequency component can be equalized. However, the present invention is not limited thereto.

In an embodiment, the retimer unit 111c may restore clock signals for the first data signal and the second data signal, and reproduce the first data signal and the second data signal according to the restored clock signal.

In general, when data is transmitted/received at high speed over a medium or long distance, distortion occurs when the receiving end receives what is transmitted from the transmitting end, and the retimer 111c detects and checks the signal from the first control module 112 side. The clock signal for the first data signal and the second data signal may be restored to determine . In addition, since the retimer unit 111c reproduces the clock signal, the reliability of the transmission speed can be maintained.

In an embodiment, the first control module 112 may control the operations of the redrive unit 111a, the equalizer unit 111b, and the retimer unit 111c, respectively.

In various embodiments, the first control module 112 may control the operations of the redrive unit 111a, the equalizer unit 111b, and the retimer unit 111c, respectively, based on the transmission speed of the first data signal. . Hereinafter, with reference to FIG. 5 , the first control module 112 controls the operations of the redrive unit 111a, the equalizer unit 111b, and the retimer unit 111c based on the transmission speed of the first data signal, respectively. Let me explain the method.

5 is a flowchart of a method of controlling an operation of a signal compensator according to a data signal transmission speed by a USB cable for high-speed data transmission and reception, according to various embodiments of the present disclosure;

Referring to FIG. 5 , in step S110 , the first control module 112 may determine the transmission speed of the first data signal.

In various embodiments, the first control module 112 may determine the transmission rate of the first data signal based on the data transmission rate setting on the first device 10 that transmits the first data signal. For example, when the data transmission rate setting on the first device 10 is the high-speed data transmission/reception mode, the transmission rate of the first data signal may be determined to be high. Also, when the data transmission rate setting on the first device 10 is the low data transmission/reception mode or the normal transmission/reception mode, the transmission rate of the first data signal may be determined to be low.

In various embodiments, the first control module 112 may determine the amount of the first data signal transmitted for a preset unit time, and determine the transmission rate of the first data signal based on the determined amount of the first data signal. have. However, the present invention is not limited thereto, and various methods for determining the transmission speed of the first data signal are applicable.

In operation S120, the first control module 112 may determine whether the transmission rate of the first data signal determined in operation S110 exceeds a reference rate. For example, the reference speed of the first data signal may be 5 Gbps, and the first control module 112 may determine whether the transmission speed of the first data signal determined in step S110 exceeds the reference speed of 5 Gbps. have.

In step S130, when the first control module 112 determines that the transmission speed of the first data signal does not exceed the reference speed through step S120, the redrive unit 111a and the equalizer unit 111b operate and , it is possible to control the retimer unit 111c not to operate.

In step S140 , when the first control module 112 determines that the transmission speed of the first data signal exceeds the reference speed through step S120 , the redrive unit 111a , the equalizer unit 111b and the retimer unit (111c) can be controlled to operate all.

In general, when the data signal transmission rate is 5 Gbps or less, only the redrive unit 111a and the equalizer unit 111b are operated to transmit the data signal relatively accurately even if the data signal is corrected. Even if the data signal is corrected by operating the live unit 111a and the equalizer unit 111b, the clock signal itself is distorted and thus the signal cannot be accurately compensated. In order to solve this problem, the first control module 112 operates up to the retimer unit 111c in the case of high-speed communication in which the transmission rate is 5 Gbps or more (eg, exceeds the reference rate), whereby the CDR of the retimer unit 111c The clock signal can be restored using the (Clock Data Recovery) function, and the signal can be regenerated using it. However, the present invention is not limited thereto.

In various embodiments, the first control module 112 may determine a correction level for the first data signal based on the transmission speed of the first data signal. For example, the first control module 112 may increase the correction level of the first data signal (eg, increase the correction degree of the first data signal) in response to an increase in the transmission speed of the first data signal. . However, the present invention is not limited thereto.

Referring back to FIGS. 1 and 2 , in one embodiment, the high-speed communication cable 130 may connect the first terminal 110 and the second terminal 120 , and the first A data signal may be transmitted to the second device 20 , and a second data signal transmitted from the second device 20 may be transmitted to the first device 10 .

In various embodiments, the high-speed communication cable 130 is formed in a form in which a plurality of communication lines made of copper material are twisted, and an insulator covers the outer surfaces of the communication lines formed in a twisted form. can

In various embodiments, the high-speed communication cable 130 is in the form of a coaxial cable (eg, an inner conductor is provided on a central axis, surrounds the inner conductor with an insulator, and then covers the outer conductor in the form of a cylindrical net, and finally may be formed in a form wrapped in a covering).

In various embodiments, the high-speed communication cable 130 may be 5 m or longer. However, the present invention is not limited thereto, and may be formed in various lengths.

In various embodiments, the USB cable 100 for high-speed data transmission and reception includes a first connector 140 and a second terminal 120 that connect the first terminal 110 and the high-speed communication cable 130 to be separated or coupled to each other. It may include a second connection unit 150 for connecting the high-speed communication cable 130 to be separated or coupled. Hereinafter, a form in which the first terminal 110 and the second terminal 120 and the high-speed communication cable 130 are separated or combined will be described with reference to FIG. 6 .

6 is a diagram illustrating a form in which a high-speed communication cable of a USB cable for high-speed data transmission/reception is separated or combined according to various embodiments of the present disclosure;

Referring to FIG. 6 , in various embodiments, one side of the high-speed communication cable 130 may be coupled to the first connection unit 140 to be connected to the first terminal 110 , and the other side may be coupled to the second connection unit 150 . to be connected to the second terminal 120 .

In various embodiments, the USB cable 100 for high-speed data transmission and reception is a high-speed communication cable 130 of different types and a high-speed communication cable having different lengths using the first connection unit 140 and the second connection unit 150 . may be combined with or separated from For example, the USB cable 100 for high-speed data transmission/reception may include a plurality of high-speed communication cables 130 having a length of 2m, 3m, and 5m, and may include a plurality of high-speed communication cables 130 between the first device 10 and the second device 20 . It may be selectively connected to any one of the high-speed communication cables among the plurality of high-speed communication cables 130 based on the transmission speed of the transmitted/received data signal or the distance between the first device 10 and the second device 20 .

In various embodiments, the first control module 112 determines the length of the high-speed communication cable 130 coupled to the first connection unit 140 and the second connection unit 150, and based on the determined length of the high-speed communication cable Thus, it is possible to control the operations of the redrive unit 111a, the equalizer unit 111b, and the retimer unit 111c. Hereinafter, it will be described with reference to FIG. 7 .

7 is a flowchart of a method of controlling an operation of a signal compensator according to a length of a high-speed communication cable by a USB cable for high-speed data transmission and reception, according to various embodiments of the present disclosure;

Referring to FIG. 7 , in step S210 , the first control module 112 may determine the length of the high-speed communication cable 130 coupled to the first connection unit 140 and the second connection unit 150 .

In various embodiments, the first control module 112 may determine the length of the high-speed communication cable 130 using the transmission amount of the first data signal per unit time.

In various embodiments, the first control module 112 directly receives the length of the high-speed communication cable 130 from the user, and sets the length of the high-speed communication cable 130 according to the input length of the high-speed communication cable 130 . can

In various embodiments, when a specific high-speed communication cable 130 is connected to the first connection unit 140 and the second connection unit 150 , the first control module 112 is assigned to the connected specific high-speed communication cable 130 . It is possible to obtain various attribute information including the length of a specific high-speed communication cable 130 by recognizing a unique serial number. However, the present invention is not limited thereto, and various methods for determining the length of the high-speed communication cable 130 are applicable.

In step S220, the first control module 112 may determine whether the length of the high-speed communication cable 130 determined in step S210 exceeds a reference length. For example, when the reference length is 5m, the first control module 112 may determine whether the length of the high-speed communication cable 130 determined in step S210 exceeds the reference length of 5m.

In step S230, when the first control module 112 determines that the length of the high-speed communication cable 130 does not exceed the reference length through step S220, the redrive unit 111a and the equalizer unit 111b operate and control so that the retimer unit 111c does not operate.

In step S240 , when it is determined that the length of the high-speed communication cable 130 exceeds the reference length through step S220 , the first control module 112 , the redrive unit 111a , the equalizer unit 111b and the retimer All of the units 111c may be controlled to operate. However, the present invention is not limited thereto.

In various embodiments, the first control module 112 determines a correction level for the first data signal based on the length of the high-speed communication cable 130 coupled to the first connector 140 and the second connector 150 . can For example, the first control module 112 is a correction level for the first data signal in response to an increase in the length of the high-speed communication cable 130 coupled to the first connection unit 140 and the second connection unit 150 . may be increased (eg, the correction level is adjusted to increase the correction degree of the first data signal). However, the present invention is not limited thereto.

In various embodiments, the first control module 112 may obtain a first feedback signal for the second data signal from the first device 10 , and a correction level for the first data signal based on the first feedback signal can be set. Hereinafter, it will be described with reference to FIG. 8 .

8 is a flowchart of a method of controlling an operation of a signal compensator according to a feedback signal received from a first device or a second device by a USB cable for high-speed data transmission and reception, according to various embodiments of the present disclosure;

Referring to FIG. 8 , in step S310 , the first control module 112 may transmit a second data signal (eg, a second data signal transmitted from the second device 20 ) from the first device 10 . . For example, the first control module 112 corrects the second data signal from the first device 10 based on the length of the high-speed communication cable and the transmission speed of the data signal, and sends the corrected second data signal to the first device ( 10) can be transferred.

In step S320 , the first control module 112 may receive a first feedback signal from the first device 10 in response to the second data signal transmitted to the first device 10 .

Here, the first feedback signal is a signal for guiding whether the second data signal has been accurately transmitted (eg, a signal for guiding that the second data signal has been accurately transmitted and whether an error has occurred because the second data signal is not accurately transmitted. signal for guiding whether or not), but is not limited thereto.

In operation S330 , the first control module 112 may set a correction level for the first data signal based on the first feedback signal received from the first device 10 . For example, when the first control module 112 obtains a first feedback signal guiding whether an error has occurred because the second data signal is not accurately transmitted from the first device 10, the first feedback signal is applied to the first feedback signal. Based on this, the correction level of the second data signal may be increased. However, the present invention is not limited thereto.

A method of high-speed data transmission/reception using the above-described high-speed data transmission/reception USB cable (eg, a method of controlling the operation of the signal compensator according to the transmission speed of a data signal, a method of controlling the operation of the signal compensator according to the length of the high-speed communication cable, and A method of controlling the operation of the signal compensator according to the feedback signal) has been described with reference to the flowchart shown in the drawings. For the sake of simplicity, the high-speed data transmission/reception method using the USB cable has been described as a series of blocks, but the present invention is not limited to the order of the blocks, and some blocks are different from those shown and operated in this specification. It may be performed in sequence or may be performed simultaneously. In addition, new blocks not described in this specification and drawings may be added, or some blocks may be deleted or changed. Hereinafter, a hardware configuration of the control module 112 of the USB cable for high-speed data transmission/reception will be described with reference to FIG. 9 .

9 is a diagram illustrating a configuration of a control module 112 of a USB cable for high-speed data transmission/reception in various embodiments.

Referring to FIG. 9 , in various embodiments, the control module 112 may include a processor 112a and a memory 112b. In various embodiments, the computing device 100 may further include a network interface (or communication interface) (not shown), storage (not shown), and a bus (not shown).

In an embodiment, the processor 112a may control the overall operation of each component of the control module 112 . The processor 112a may include a central processing unit (CPU), a micro processor unit (MPU), a micro controller unit (MCU), or any type of processor well known in the art.

In various embodiments, the processor 112a may perform an operation on at least one application or program for executing a method according to embodiments of the present invention. In various embodiments, the processor 110 includes one or more cores (not shown) and a graphic processing unit (not shown) and/or a connection path (eg, a bus, etc.) for transmitting and receiving signals to and from other components. can do.

In various embodiments, the processor 112a is configured to temporarily and/or permanently store signals (or data) processed inside the processor 112a (RAM) and ROM (Read ROM). -Only Memory, not shown) may be further included. Also, the processor 110 may be implemented in the form of a system on chip (SoC) including at least one of a graphic processing unit, RAM, and ROM.

In an embodiment, the processor 112a executes one or more instructions stored in the memory 112b to perform a high-speed data transmission/reception method using a high-speed data transmission/reception USB cable). For example, the processor 112a executes one or more instructions stored in the memory 112b, thereby setting the operation of the signal correction unit based on at least one of the length of the high-speed communication cable and the transmission speed of the data signal; obtaining a first data signal from a first device, obtaining a second data signal from a second device, performing correction on the data signal, and transferring the corrected first data signal to a second device, A high-speed data transmission/reception method using a high-speed data transmission/reception USB cable including an operation of transmitting a data signal to the first device may be performed.

In one embodiment, memory 112b may store various data, commands, and/or information. The memory 112b may store programs (one or more instructions) for processing and controlling the processor 112a. Programs stored in the memory 112b may be divided into a plurality of modules according to functions.

In various embodiments, steps of a method or algorithm described in connection with an embodiment of the present invention may be implemented directly in hardware, as a software module executed by hardware, or by a combination thereof. A software module may contain random access memory (RAM), read only memory (ROM), erasable programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), flash memory, hard disk, removable disk, CD-ROM, or It may reside in any type of computer-readable recording medium well known in the art to which the present invention pertains.

The components of the present invention may be implemented as a program (or application) to be executed in combination with a computer, which is hardware, and stored in a medium. The components of the present invention may be implemented as software programming or software components, and similarly, embodiments may include various algorithms implemented as data structures, processes, routines, or combinations of other programming constructs, including C, C++ , Java, assembler, etc. may be implemented in a programming or scripting language. Functional aspects may be implemented in an algorithm running on one or more processors.

As mentioned above, although embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art to which the present invention pertains can realize that the present invention can be embodied in other specific forms without changing its technical spirit or essential features. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

100: USB cable for high-speed data transmission and reception
110: first terminal
111: first signal correction unit
112: first control module
120: second terminal
121: second signal correction unit
122: second control module
130: high-speed communication cable
140: first connection part
150: second connection part

Claims (10)

a first terminal connected to the first device;
a second terminal connected to a second device;
The first terminal and the second terminal are connected, a first data signal transmitted from the first device is transmitted to the second device, and a second data signal transmitted from the second device is transmitted to the first device. high-speed communication cable to transmit; and
and a signal correction unit provided in the first terminal and the second terminal, respectively, and performing correction on the first data signal and the second data signal;
USB cable for high-speed data transmission and reception. According to claim 1,
The signal correction unit,
a re-drive unit compensating for signal level attenuation of the first data signal and the second data signal;
an equalizer unit for equalizing attenuation of a high frequency component and a low frequency component of the first data signal and the second data signal;
a re-timer unit that restores clock signals for the first data signal and the second data signal, and reproduces the first data signal and the second data signal according to the restored clock signal; and
including a control module for controlling the operations of the redrive unit, the equalizer unit, and the retimer unit, respectively,
USB cable for high-speed data transmission and reception. 3. The method of claim 2,
The control module is
determining a correction level for each of the first data signal and the second data signal based on the transmission rates of the first data signal and the second data signal;
USB cable for high-speed data transmission and reception. 3. The method of claim 2,
The control module is
when the transmission rates of the first data signal and the second data signal are equal to or less than a reference speed, the redrive unit and the equalizer unit operate and the retimer unit does not operate;
when the transmission rates of the first data signal and the second data signal exceed a reference rate, controlling all of the redrive unit, the equalizer unit, and the retimer unit to operate;
USB cable for high-speed data transmission and reception. 3. The method of claim 2,
The control module is
determining a correction level for each of the first data signal and the second data signal based on the length of the high-speed communication cable;
USB cable for high-speed data transmission and reception. 6. The method of claim 5,
A first connector for connecting the first terminal and the high-speed communication cable to be separated or coupled to each other and a second connection part for connecting the second terminal and the high-speed communication cable to be separated or coupled to each other;
The control module is
Determine a length of a high-speed communication cable coupled to the first connection part and the second connection part, and determine a correction level for each of the first data signal and the second data signal based on the determined length of the high-speed communication cable doing,
USB cable for high-speed data transmission and reception. 3. The method of claim 2,
The control module is
When the length of the high-speed communication cable is less than or equal to a reference length, the redrive unit and the equalizer unit operate and control the retimer unit not to operate,
When the length of the high-speed communication cable exceeds a reference length, controlling all of the redrive unit, the equalizer unit, and the retimer unit to operate,
USB cable for high-speed data transmission and reception. 3. The method of claim 2,
The control module is
obtain a first feedback signal for the second data signal from the first device, and obtain a second feedback signal for the first data signal from the second device;
setting a correction level for the first data signal and the second data signal based on the first feedback signal and the second feedback signal;
USB cable for high-speed data transmission and reception. According to claim 1,
The signal correction unit,
mounted on a printed circuit board (PCB) provided in the first terminal and the second terminal,
USB cable for high-speed data transmission and reception. A method for transmitting and receiving a data signal at high speed using the apparatus of claim 1,
setting an operation of the signal compensator based on at least one of a length of the high-speed communication cable and a transmission speed of the data signal;
obtaining the first data signal from the first device and the second data signal from the second device;
performing correction on the data signal; and
transferring the corrected first data signal to the second device and transferring the corrected second data signal to the first device;
High-speed data transmission/reception Method of high-speed data transmission/reception using a USB cable.

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