CN101662432B - Method, system and device for transmission - Google Patents
Method, system and device for transmission Download PDFInfo
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- CN101662432B CN101662432B CN 200810130925 CN200810130925A CN101662432B CN 101662432 B CN101662432 B CN 101662432B CN 200810130925 CN200810130925 CN 200810130925 CN 200810130925 A CN200810130925 A CN 200810130925A CN 101662432 B CN101662432 B CN 101662432B
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Abstract
The invention discloses a method, a system and a device for transmission, wherein the system comprises a cable, a transmitting end device and a receiving end device, wherein the cable is used for connecting the transmitting end device and the receiving end device and providing cable information for the transmitting end device and the receiving end device; the transmitting end device is sued for acquiring loss information on the cable, selecting emphasis and signal amplitude, which are matched with the loss information on the cable, according to the loss information on the cable, and transmitting the signal transmitting in the cable; and the receiving end device is used for obtaining the loss information on the cable, selecting an equalization parameter matched with the loss information on the cable according to the loss information on the cable, and receiving the signal transmitting in the cable. In the system, the transmitter or receiver selects the emphasis and signal amplitude, which are matched with the loss information on the cable, of the transmitter or the equalization parameter of the receiver respectively by the cable according to the loss information on the cable, so that the ISI problem can be easily and conveniently mitigated.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of transmission method, system and device.
Background technology
In the long situation of high speed cable interconnection system transmission range, because the transmission characteristic of cable all exists high-frequency loss to be higher than the situation of Frequency Power Loss, so that can produce ISI (Inter-symbol Interference between the code element of digital signal, intersymbol interference), thus receiving terminal the time can produce error code in judgement.In order to solve the ISI problem, and make the amplitude of signal can reach the decision threshold that satisfies receiving terminal, usually use preemphasis and amplitude adjustment at transmitting terminal, use balancing technique at receiving terminal.Need to regulate respectively increasing the weight of and amplitude of transmitting terminal according to the insertion loss characteristic of cable, and the balance parameters of receiving terminal, could alleviate the problem of ISI.
Preemphasis is a kind of export technique of overdriving, and the loss that not only can be high frequency cable affords redress, and can strengthen the data movement capacity of cable and backboard, makes system can support more to grow the transmission of distance.Pre-emphasis technique, the first bit data after transmitting terminal is to the each upset amplitude of carrying out promotes, increase with along relevant each time spectrum energy of information, to compensate the eye pattern amplitude decline that brings owing to line loss.Equilibrium refers to the equilibrium to the characteristic of channel, and namely the equalizer of receiving terminal produces the characteristic opposite with channel, be used for offsetting channel the time become the intersymbol interference that the multipath transmisstion characteristic causes, namely by the frequency of equalizer elimination channel and the selectivity of time.Equilibrium has two Basic Ways: one for frequency domain equalization, makes total transfer function of the whole system that comprises equalizer satisfy the condition of undistorted transmission; Two is time domain equalization, directly considers from time response, makes the satisfied condition without intersymbol interference of impulse response of the whole system that comprises equalizer.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Generally be before electronic equipment dispatches from the factory, transmitting terminal and receiving terminal that cable connects are regulated, comprise and regulate increasing the weight of and signal amplitude of transmitting terminal, and the balance parameters of receiving terminal, after adjusting, electronic product just can dispatch from the factory, and is used by the client.
If in the process that the client uses, cable need to be replaced with another kind of cable, perhaps change the electronic device that the cable two ends connect, the transmitting terminal that then needs to readjust cable increases the weight of and signal amplitude, and the balance parameters of receiving terminal, because the customers' place does not generally have tester, in adjustment process, therefore the quality of display regulates very complicated and inconvenient intuitively.
Summary of the invention
The embodiment of the invention provides a kind of transmission method, system and device, can regulate simply and easily increasing the weight of and signal amplitude of cable transmitting terminal, and the balance parameters of receiving terminal.
For achieving the above object, the embodiment of the invention proposes a kind of transmission system, comprising:
Cable, be used for connecting transmitting terminal device and receiving end device, and provide the information of described cable for described transmitting terminal device and described receiving end device, specifically comprise: the transmitting terminal cable plug, be used for connecting the transmitting terminal device, comprise the first memory module in the described transmitting terminal cable plug, described the first memory module is used for the loss information of storage cable; Perhaps, be used for the type information of storage cable, the type information of described cable is realized by different wire jumper combinations; The receiving terminal cable plug is used for connecting receiving end device, comprises the second memory module in the described receiving terminal cable plug, and described the second memory module is used for the loss information of storage cable; Perhaps, be used for the type information of storage cable, the type information of described cable is realized by different wire jumper combinations; Cable is used for connecting described transmitting terminal cable plug and described receiving terminal cable plug;
The transmitting terminal device specifically comprises: link block is used for stube cable; Control module, be used for obtaining by described link block the loss information of described cable, and according to the loss information of described cable, select and increasing the weight of and signal amplitude that described cable loss information is complementary, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable; Processing module is used for sending the signal that described cable transmits by described link block;
Receiving end device specifically comprises: link block is used for stube cable; Adjusting module, be used for obtaining by described receiver module the loss information of described cable, and according to the loss information of described cable, the balance parameters that selection and described cable loss information are complementary, described balance parameters, described cable loss information, increasing the weight of of described cable transmitting terminal, and the signal amplitude of described cable transmitting terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable; Operational module is used for receiving the signal that described cable transmits by described receiver module.
The embodiment of the invention proposes a kind of transmitting terminal device, comprising:
Link block is used for stube cable;
Control module, be used for obtaining by described link block the loss information of cable, and according to the loss information of described cable, select and increasing the weight of and signal amplitude that described cable loss information is complementary, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Processing module is used for sending the signal that described cable transmits by described link block.
The embodiment of the invention proposes a kind of receiving end device, comprising:
Receiver module is used for stube cable;
Adjusting module, be used for obtaining by described receiver module the loss information of cable, and according to the loss information of described cable, the balance parameters that selection and described cable loss information are complementary, described balance parameters, described cable loss information, increasing the weight of of the transmitting terminal of described cable, and the signal amplitude of the transmitting terminal of described cable satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Operational module is used for receiving the signal that described cable transmits by described receiver module.
The embodiment of the invention proposes a kind of method of transmitted signal, comprising:
The transmitting terminal device obtains the loss information of cable;
Described transmitting terminal device is according to the loss acquisition of information transmitting terminal signal amplitude of described cable and increase the weight of, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Described transmitting terminal device is according to the transmission of described transmitting terminal signal amplitude with the signal that increases the weight of to transmit in the control cables.
The embodiment of the invention proposes a kind of method that receives signal, comprising:
Receiving end device obtains the loss information of cable;
Described receiving terminal dress is according to the loss acquisition of information receiving terminal balance parameters of described cable, described balance parameters, described cable loss information, increasing the weight of of the transmitting terminal of described cable, and the signal amplitude of the transmitting terminal of described cable satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Described receiving terminal dress is according to the reception of the signal that transmits in the described receiving terminal balance parameters control cables.
Compared with prior art, the embodiment of the invention has the following advantages:
In the embodiment of the invention, by transmitting terminal or receiving terminal, according to cable loss information, select respectively increasing the weight of and signal amplitude of the transmitting terminal that mates with described cable loss information by cable, the perhaps balance parameters of receiving terminal, thus the problem of ISI alleviated simply and easily.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the system construction drawing of a kind of control cables transmission of the embodiment of the invention;
Fig. 2 is a kind of transmitting terminal structure drawing of device of the embodiment of the invention;
Fig. 3 is a kind of receiving end device structure chart of the embodiment of the invention;
Fig. 4 is the method flow diagram of a kind of control cables transmission of the embodiment of the invention;
Fig. 5 is in the embodiment of the invention, insertion loss information schematic diagram;
Fig. 6 is in the embodiment of the invention, transmitting terminal signal amplitude, preemphasis, postemphasises and the resultant effect schematic diagram of receiving terminal balance parameters;
Fig. 7 is in the embodiment of the invention, the amplitude-versus-frequency curve schematic diagram;
Fig. 8 is the method flow diagram of the another kind of control cables transmission of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The system of a kind of control cables transmission of the embodiment of the invention as shown in Figure 1, comprising:
Cable 11 be used for to connect transmitting terminal device 12 and receiving end device 13, and the information of described cable 11 is provided for described transmitting terminal device 12 and described receiving end device 13;
Further, this cable 11 comprises:
Transmitting terminal cable plug 110 is used for connecting transmitting terminal device 12, comprises the first memory module 1100 in the described transmitting terminal cable plug 110, and described the first memory module 1100 is used for the loss information of storage cable 11; Or
The type information of storage cable 11, the type information of described cable 11 is realized by different wire jumper combinations.
Receiving terminal cable plug 111 is used for connecting receiving end device 13, comprises the second memory module 1110 in the described receiving terminal cable plug 111, and described the second memory module 1110 is used for the loss information of storage cable 11; Or
The type information of storage cable 11, the type information of described cable 11 is realized by different wire jumper combinations.
Cable 112 is used for connecting described transmitting terminal cable plug and described receiving terminal cable plug.
Concrete, in the information that the plug inside of cable 11 can be stored by different modes cable 11, this cable plug is transmitting terminal cable plug 110 and receiving terminal cable plug 111.Put a storage chip in the plug inside of cable 11, this storage chip is EEPROM (electrically-erasable memory), can use memory module among this EEPROM to deposit the loss information of cable 11, this memory module is the first memory module 1100 and the second memory module 1110.Before cable 11 dispatches from the factory, cable 11 is tested, draw the loss information of cable 11 after, the loss information of cable 11 is stored in the memory module among this EEPROM, when using this cable 11, the device of transmitting terminal and receiving terminal just can directly read this loss information.
In addition, can also the memory module in the plug inside of cable 11 place PCB (Printed CircuitBoard, printed circuit board (PCB)) plate, mode by wire jumper, make up to identify different cables with different wire jumpers, for example, 3 groups of wire jumpers are set: wire jumper 1, wire jumper 2 and wire jumper 3, the combination that whether connects according to these 3 groups of wire jumpers can identify at most 8 kinds of cables.That is, can identify the model of 8 kinds of cables, the model correspondence of every kind of cable the loss information of this model cable, and when using this cable 11, the device of transmitting terminal and receiving terminal can read according to the mode of wire jumper the model of this cable.In transmitting terminal, the corresponding relation of model and loss information is arranged, loss information corresponding to this cable is namely arranged, transmitting terminal device 12 can obtain this loss information, and is same, at receiving terminal, loss information corresponding to this cable is also arranged, and receiving end device 13 can obtain this loss information.
Transmitting terminal device 12, be used for obtaining the loss information of cable 11, and according to the loss information of this cable 11, select and increasing the weight of and signal amplitude that these cable 11 loss information are complementary, and send the signal that transmits in the described cable, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable.
Receiving end device 13, be used for obtaining the loss information of cable 11, and according to the loss information of this cable 11, the balance parameters that selection and these cable 11 loss information are complementary, and receive the signal that transmits in the described cable, described balance parameters, described cable loss information, increasing the weight of of described cable transmitting terminal, and the signal amplitude of described cable transmitting terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable.
A kind of transmitting terminal device of the embodiment of the invention as shown in Figure 2, comprising:
Concrete, total losses are in the cable transmission process, the gross energy that loses, and the receiving sensitivity of wireless transmission is similar to the hearing when linking up talk, and the receiving sensitivity that improves signal can make wireless product have the ability of catching more strongly weak signal.Along with the increase of transmission range, receive signal weaker, highly sensitive wireless product still can receive data, keeps stable the connection, significantly improves transmission range.
Concrete, this processing module 23 can be business chip, for example: FPGA (Field ProgrammableGate Array, field programmable gate array), ASIC (Application Specific Integrated Circuit, application-specific integrated circuit (ASIC)), by programming at FPGA or using ASIC, can send the signal that transmits in the described cable, control module 22 can be logic chip, for example: FPGA and ASIC, by at FPGA programming or use ASIC, can obtain the loss information of cable, described link block 21 can be cable connector or coaxial connector, by using cable connector or coaxial connector, can stube cable.
Described link block, control module, and processing module can be arranged on the circuit board or is distributed on several circuit boards.
Further, this control module 22 specifically comprises:
First obtains submodule 221, is used for obtaining the loss information of cable 11;
The first chooser module 222, be used for the loss information of obtaining the cable 11 that submodule 221 obtains according to first, select and increasing the weight of and signal amplitude that described cable 11 loss information are complementary, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable.
Further, this first obtains submodule 221 and comprises:
First obtains subelement 2210, is used for obtaining according to the storage chip of cable 11 plug inside the loss information of cable; Or
Second obtains subelement 2211, is used for the model according to the described cable of wire jumper sign identification of cable plug inside, and obtains the loss information of cable according to the model of described cable.
Concrete, when the plug inside of cable 11 was deposited the loss information of cable 11 for use EEPROM, first obtains subelement 2210 directly read this loss information from this EEPROM.
When the plug inside of cable 11 is placed pcb board, when making up to identify different cables with different wire jumpers, second obtains subelement 2211 makes up the model that identifies this cable according to this wire jumper, obtains loss information corresponding to this cable according to the cable of this model.
A kind of receiving end device of the embodiment of the invention as shown in Figure 3, comprising:
Adjusting module 32, be used for obtaining by receiver module the loss information of cable, and according to the loss information of described cable, the balance parameters that selection and described cable loss information are complementary, described balance parameters, described cable loss information, increasing the weight of of described cable transmitting terminal, and the signal amplitude of described cable transmitting terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Described operational module 33 can be business chip, for example: FPGA and ASIC, adjusting module 32 can be logic chip, for example: FPGA and ASIC, described receiver module 31 can be cable connector or coaxial connector.
Described receiver module, adjusting module, and operational module can be arranged on the circuit board or several circuit boards on.
Further, this adjusting module 32 specifically comprises:
Second obtains submodule 321, is used for obtaining the loss information of cable;
The second chooser module 322, be used for the loss information according to described cable, the balance parameters that selection and described cable loss information are complementary, described balance parameters, described cable loss information, increasing the weight of of described cable transmitting terminal, and the signal amplitude of described cable transmitting terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable.
Further, this second obtains submodule 321 and comprises:
The 3rd obtains subelement 3210, is used for obtaining according to the storage chip of cable plug inside the loss information of cable; Or
The 4th obtains subelement 3211, is used for the model according to the described cable of wire jumper sign identification of cable plug inside, and obtains the loss information of cable according to the model of described cable.
Concrete, when the plug inside of cable 11 was deposited the loss information of cable 11 for use EEPROM, the 3rd obtains subelement 3210 directly read this loss information from this EEPROM.
When the plug inside of cable 11 is placed pcb board, when making up to identify different cables with different wire jumpers, the 4th obtains subelement 3211 makes up the model that identifies this cable according to this wire jumper, obtains loss information corresponding to this cable according to the cable of this model.
The method of a kind of control cables transmission of the embodiment of the invention,, as shown in Figure 4, comprising:
Step S401, transmitting terminal device obtain the loss information of cable.
Step S402, the transmitting terminal device is according to the loss acquisition of information transmitting terminal signal amplitude of described cable and increase the weight of;
Concrete, after cable inserted socket, the transmitting terminal device can read the insertion loss information of cable.When the plug inside of cable was deposited cable loss information for use EEPROM, the transmitting terminal device directly read this loss information from this EEPROM.When the plug inside of cable is placed pcb board, when making up to identify different cables with different wire jumpers, the transmitting terminal device makes up the model that identifies this cable according to this wire jumper, obtains loss information corresponding to this cable according to the cable of this model.
The transmitting terminal device according to this loss information calculations go out the corresponding transmitting terminal of this cable model signal amplitude, increase the weight of.Insertion loss information and transmitting terminal amplitude, increase the weight of, the calculating principle of the balance parameters of receiving terminal require be: the amplitude-versus-frequency curve of the signal that transmits will be tending towards straight in the cable, the transmitting terminal amplitude deducts total losses, the result is within receiving sensitivity, namely: cable insertion loss information adds that preemphasis/postemphasis/equilibrium equals a smooth channel response.Wherein, the insertion loss message of cable is the insertion loss information that the testers such as network analyzer test out, as shown in Figure 5; Preemphasis/postemphasis/equilibrium is the transmitting terminal preemphasis, transmitting terminal postemphasises and the comprehensive effect out of receiving terminal balance parameters, as shown in Figure 6; The result that cable insertion loss information adds preemphasis/postemphasis/balanced as shown in Figure 7.
Step S403, the transmitting terminal device is according to the transmission of transmitting terminal signal amplitude with the signal that increases the weight of to transmit in the control cables.
The method of the another kind of control cables transmission of the embodiment of the invention as shown in Figure 8, comprising:
Step S801, receiving end device obtain the loss information of cable.
Step S802, receiving end device is according to the loss acquisition of information receiving terminal balance parameters of described cable.
Concrete, after cable inserted socket, receiving end device can read the insertion loss information of cable.When the plug inside of cable was deposited cable loss information for use EEPROM, receiving end device directly read this loss information from this EEPROM.When the plug inside of cable is placed pcb board, when making up to identify different cables with different wire jumpers, receiving end device makes up the model that identifies this cable according to this wire jumper, obtains loss information corresponding to this cable according to the cable of this model.
Receiving end device goes out the balance parameters of the corresponding receiving terminal of this cable model according to this loss information calculations.Insertion loss information and transmitting terminal amplitude, increase the weight of, the calculating principle of the balance parameters of receiving terminal require be: the amplitude-versus-frequency curve of the signal that transmits will be tending towards straight in the cable, the transmitting terminal amplitude deducts total losses, the result is within receiving sensitivity, namely: cable insertion loss information adds that preemphasis/postemphasis/equilibrium equals a smooth channel response.
Step S803, receiving end device is according to the reception of the signal that transmits in the receiving terminal balance parameters control cables.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (13)
1. a transmission system is characterized in that, comprising:
Cable, be used for connecting transmitting terminal device and receiving end device, and provide the information of described cable for described transmitting terminal device and described receiving end device, specifically comprise: the transmitting terminal cable plug, be used for connecting the transmitting terminal device, comprise the first memory module in the described transmitting terminal cable plug, described the first memory module is used for the loss information of storage cable; Perhaps, be used for the type information of storage cable, the type information of described cable is realized by different wire jumper combinations; The receiving terminal cable plug is used for connecting receiving end device, comprises the second memory module in the described receiving terminal cable plug, and described the second memory module is used for the loss information of storage cable; Perhaps, be used for the type information of storage cable, the type information of described cable is realized by different wire jumper combinations; Cable is used for connecting described transmitting terminal cable plug and described receiving terminal cable plug;
The transmitting terminal device specifically comprises: link block is used for stube cable; Control module, be used for obtaining by described link block the loss information of described cable, and according to the loss information of described cable, select and increasing the weight of and signal amplitude that described cable loss information is complementary, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable; Processing module is used for sending the signal that described cable transmits by described link block;
Receiving end device specifically comprises: link block is used for stube cable; Adjusting module, be used for obtaining by described receiver module the loss information of described cable, and according to the loss information of described cable, the balance parameters that selection and described cable loss information are complementary, described balance parameters, described cable loss information, increasing the weight of of described cable transmitting terminal, and the signal amplitude of described cable transmitting terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable; Operational module is used for receiving the signal that described cable transmits by described receiver module.
2. a transmitting terminal device is characterized in that, comprising:
Link block is used for stube cable;
Control module, be used for obtaining by described link block the loss information of described cable, and according to the loss information of described cable, select and increasing the weight of and signal amplitude that described cable loss information is complementary, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Processing module is used for sending the signal that described cable transmits by described link block.
3. device as claimed in claim 2 is characterized in that, described control module comprises:
First obtains submodule, is used for obtaining the loss information of cable;
The first chooser module, be used for the loss information according to described cable, select and increasing the weight of and signal amplitude that described cable loss information is complementary, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable.
4. device as claimed in claim 3 is characterized in that, described first obtains submodule comprises:
First obtains subelement, is used for obtaining according to the first memory module of transmitting terminal cable plug inside the loss information of cable; Or
Second obtains subelement, and the wire jumper sign that is used for storing according to the first memory module of transmitting terminal cable plug inside is identified the model of described cable, and obtains the loss information of cable according to the model of described cable.
5. a receiving end device is characterized in that, comprising:
Receiver module is used for stube cable;
Adjusting module, be used for obtaining by described receiver module the loss information of described cable, and according to the loss information of described cable, the balance parameters that selection and described cable loss information are complementary, described balance parameters, described cable loss information, increasing the weight of of the transmitting terminal of described cable, and the signal amplitude of the transmitting terminal of described cable satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Operational module is used for receiving the signal that described cable transmits by described receiver module.
6. device as claimed in claim 5 is characterized in that, described adjusting module comprises:
Second obtains submodule, is used for obtaining the loss information of cable;
The second chooser module, be used for the loss information according to described cable, the balance parameters that selection and described cable loss information are complementary, described balance parameters, described cable loss information, increasing the weight of of described cable transmitting terminal, and the signal amplitude of described cable transmitting terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable.
7. device as claimed in claim 6 is characterized in that, described second obtains submodule comprises:
The 3rd obtains subelement, is used for obtaining according to the second memory module of receiving terminal cable plug inside the loss information of cable; Or
The 4th obtains subelement, and the wire jumper sign that is used for storing according to the second memory module of receiving terminal cable plug inside is identified the model of described cable, and obtains the loss information of cable according to the model of described cable.
8. the method for a transmitted signal is characterized in that, comprising:
The transmitting terminal device obtains the loss information of cable;
Described transmitting terminal device is according to the loss acquisition of information transmitting terminal signal amplitude of described cable and increase the weight of, the loss information of described cable, increase the weight of, the balance parameters of signal amplitude and cable receiving terminal satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Described transmitting terminal device is according to the transmission of described transmitting terminal signal amplitude with the signal that increases the weight of to transmit in the control cables.
9. method as claimed in claim 8 is characterized in that, the described loss information of obtaining cable comprises:
Obtain the loss information of cable according to the storage chip of cable plug inside.
10. method as claimed in claim 8 is characterized in that, the described loss information of obtaining cable also comprises:
Wire jumper sign according to cable plug inside is identified the model of described cable, and obtains the loss information of cable according to the model of described cable.
11. a method that receives signal is characterized in that, comprising:
Receiving end device obtains the loss information of cable;
Described receiving end device is according to the loss acquisition of information receiving terminal balance parameters of described cable, described balance parameters, described cable loss information, increasing the weight of of the transmitting terminal of described cable, and the signal amplitude of the transmitting terminal of described cable satisfies: the amplitude-versus-frequency curve of the signal that transmits in the described cable is tending towards straight, and the amplitude of the signal that transmits deducts the total losses of cable within receiving sensitivity in the cable;
Described receiving end device is according to the reception of the signal that transmits in the described receiving terminal balance parameters control cables.
12. method as claimed in claim 11 is characterized in that, the described loss information of obtaining cable comprises:
Obtain the loss information of cable according to the storage chip of cable plug inside.
13. method as claimed in claim 11 is characterized in that, the described loss information of obtaining cable also comprises:
Wire jumper sign according to cable plug inside is identified the model of described cable, and obtains the loss information of cable according to the model of described cable.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810130925 CN101662432B (en) | 2008-08-30 | 2008-08-30 | Method, system and device for transmission |
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|---|---|---|---|
| CN 200810130925 CN101662432B (en) | 2008-08-30 | 2008-08-30 | Method, system and device for transmission |
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| CN101662432A CN101662432A (en) | 2010-03-03 |
| CN101662432B true CN101662432B (en) | 2013-03-20 |
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| CN 200810130925 Expired - Fee Related CN101662432B (en) | 2008-08-30 | 2008-08-30 | Method, system and device for transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572377A (en) * | 2016-11-16 | 2017-04-19 | 青岛海信电器股份有限公司 | Method and device for processing loss-of-lock of signal transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530028B (en) * | 2015-11-26 | 2019-04-05 | 杭州华为数字技术有限公司 | A kind of equalizer configuration method and management module |
| CN112019376A (en) * | 2020-07-29 | 2020-12-01 | 苏州浪潮智能科技有限公司 | Pre-emphasis parameter configuration method, device and storage medium of SERDES (serial enhanced data encryption standard) transmitter |
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| CN1574499A (en) * | 2003-06-19 | 2005-02-02 | 射频***公司 | Frequency selective low loss transmission line system |
| CN101252238A (en) * | 2007-02-22 | 2008-08-27 | 索尼株式会社 | Connection structure and signal transmission cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1574499A (en) * | 2003-06-19 | 2005-02-02 | 射频***公司 | Frequency selective low loss transmission line system |
| CN101252238A (en) * | 2007-02-22 | 2008-08-27 | 索尼株式会社 | Connection structure and signal transmission cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572377A (en) * | 2016-11-16 | 2017-04-19 | 青岛海信电器股份有限公司 | Method and device for processing loss-of-lock of signal transmission |
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| CN101662432A (en) | 2010-03-03 |
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