CN101471791B - Network device and method sharing coefficient update processor - Google Patents
Network device and method sharing coefficient update processor Download PDFInfo
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- CN101471791B CN101471791B CN2007103054573A CN200710305457A CN101471791B CN 101471791 B CN101471791 B CN 101471791B CN 2007103054573 A CN2007103054573 A CN 2007103054573A CN 200710305457 A CN200710305457 A CN 200710305457A CN 101471791 B CN101471791 B CN 101471791B
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Abstract
The invention relates to a network device sharing a coefficient update processor, which comprises one or a plurality of transmission ports and the coefficient update processor, wherein, each transmission port comprises a physical layer module. The coefficient update processor is coupled to each physical layer module and is shared by the transmission ports; the coefficient update processor determines on the coefficient of each physical layer module; and the coefficient update processor can be used by one of the physical layer modules in single time.
Description
Technical field
The present invention relates to a kind of network equipment, refer to the network equipment of the shared coefficient update processor of a kind of a plurality of transmit port especially.
Background technology
In 1Gbase-T/10Gbase-T Ethernet (Ethernet) system; Owing to passage can change along with the time; So receiver needs ceaselessly the dynamically coefficient of adjustment as equalizer (equalizer) and interference eliminator circuit such as (interference canceller), thereby must coefficient of utilization update processing device continue the situation of each passage of tracking.
Therefore the non-difficult matter of action that lets multiple computers can carry out the wideband online simultaneously at present various networking products with a plurality of transmit pories occur, on the market like switch (switch), hub (Hub), IP Wireless Router etc.If each transmit port of these products all must use a coefficient update processor to upgrade the coefficient of inner passage separately,, all be a kind of burden then no matter the considering of power consumption or cost.
Summary of the invention
One of the object of the invention is to provide a kind of network equipment, and wherein a plurality of transmit pories are a shared coefficient update processor, to solve the problem in the prior art.
Embodiments of the invention have disclosed a kind of network equipment of sharing coefficient update processor.This network equipment comprises one or more transmit pories and a coefficient update processor.Wherein each transmit port comprises a physical layer block.This coefficient update processor is coupled to each physical layer block and shared by this a plurality of transmit pories institute; The coefficient of this each physical layer block of coefficient update processor decision, and this coefficient update processor offers one of them physical layer block use in the single time.This coefficient update processor operates in time-domain or the frequency domain.This network equipment is a switch.
Embodiments of the invention have disclosed a kind of method for sharing of coefficient update processor in addition, are applicable to a network equipment.This network equipment includes one or more transmit pories, and each transmit port comprises a physical layer block.This method for sharing comprises provides a coefficient update processor; Utilize the coefficient of this coefficient update processor convergence one first physical layer block wherein; And the coefficient convergence end of working as this first physical layer block, utilize this coefficient update processor to restrain the coefficient of one second physical layer block wherein, or continue to restrain the coefficient of this first physical layer block.Wherein, this coefficient update processor offers one of them physical layer block use in the single time.
Description of drawings
Fig. 1 is the sketch map of an embodiment of the network equipment of sharing coefficient update processor of the present invention.
Fig. 2 is the sketch map of another embodiment of the network equipment of sharing coefficient update processor of the present invention.
Fig. 3 is the sketch map of another embodiment again of the network equipment of sharing coefficient update processor of the present invention.
Fig. 4 is the sketch map of another embodiment again of the network equipment of sharing coefficient update processor of the present invention.
Fig. 5 is the flow chart of an example operation of the method for sharing of coefficient update processor of the present invention.
Fig. 6 is the flow chart of another example operation of the method for sharing of coefficient update processor of the present invention.
Fig. 7 is the flow chart of the another example operation of the method for sharing of coefficient update processor of the present invention.
[main element symbol description]
100,200,300,400 network equipments
P1～P8,310,410 transmit pories
PHY1～PHY8, PHY30, PHY40 physical layer block
120,320,420 multiplexers
130,330,430 coefficient update processors
S
CControl signal
210 bus control units
220 buses
341 echo cancellers
342 near-end crosstalk arresters
343 far-end crosstalk arresters
344 digital Auto Gain controllers
345 feedback equalizers
346 feed forward equalizers
347 time sequence restoring circuits
440 elements
442 firsts
444 second portions
502～512,602～612,702～712 steps
Embodiment
Because network is in the process of line, promptly each coefficient of convergent passage needs coefficient update processor to restrain this moment with all strength; But behind the network connectivity, the variation of passage is quite slow, so the frequency of coefficient update is very low; Based on these characteristics; The road that sharing coefficient update processor is more feasible, so the present invention just proposes a kind of network equipment of sharing coefficient update processor, its specification specified is following.
Please refer to Fig. 1, Fig. 1 is the sketch map of an embodiment of the network equipment 100 of sharing coefficient update processor of the present invention.Do not influencing under the disclosure of the present invention's technology; In the present embodiment; Network equipment 100 is explained with a 8 port switch (switch); It comprises eight transmit port P1～P8, a multiplexer 120 and a coefficient update processor 130; Wherein each transmit port P1～P8 respectively comprises a physical layer block PHY1～PHY8, and multiplexer 120 is coupled between the physical layer block PHY1～PHY8 and coefficient update processor 130 of each transmit port P1～P8, is used for according to a control signal S
CCome coefficient of utilization update processing device 130 by choosing one of them among these eight transmit port P1～P8.Coefficient update processor 130 is coupled to multiplexer 120 and shared by these transmit pories P1～P8 institute; The coefficient of physical layer block PHY1～PHY8 of coefficient update processor 130 each transmit port P1～P8 of decision; And coefficient update processor 130 offers one of them physical layer block and uses to reach the shared purpose of circuit element in the single time; In other words, the control signal S through multiplexer 120
CSelection, in the single time, provide coefficient update processor 130 to supply its convergence or upgrade the coefficient of this physical layer block to one of them physical layer block.Thus, the physical layer block of a plurality of transmit pories can shared identical coefficient update processor 130, and then reaches and save area and cost-effective purpose.In addition, coefficient update processor 130 can operate in the time-domain (time domain), perhaps operates in the frequency domain (frequency) through the conversion of mathematics formula.
Note that above-mentioned network equipment 100 can be a switch, also can be the network equipment of other kind.Moreover the number of transmit port is merely and is used for explaining example of the present invention, but not restrictive condition of the present invention.Notice again that please network equipment 100 can be applicable to 10M/100MBase-T system, 1GBase-T system or 10Gbase-T system, but the present invention is not limited thereto, also can be applicable to other network system.
The coefficient of physical layer block PHY1～PHY8 of each the transmit port P1～P8 that is determined about coefficient update processor 130; For example; (near endcrosstalk NEXT) eliminates coefficient, automatic gain control (auto gain control, AGC) coefficient etc. like echo cancellation coefficient, near-end crosstalk; Those skilled in the art should understand the various application of coefficient update processor 130, repeat no more at this.In addition; Coefficient update processor 130 can be by a correlator (correlator), a lowest mean square (least mean square; LMS) filter, a least square (least square, a LS) filter or a recursive least-squares (recursive least square, RLS) filter enforcement; But be not limited thereto, also the coefficient update processor of available other kind is implemented.
Certainly; The framework of the above-mentioned multiplexer that adopts 120 is merely one of execution mode of sharing coefficient update processor 130; Also can implement through alternate manner, for instance, shared framework can be implemented through a bus (bus) and a bus control unit.Please refer to Fig. 2, Fig. 2 is the sketch map of another embodiment of the network equipment 200 of sharing coefficient update processor of the present invention.The network equipment 200 of Fig. 2 is similar with network equipment 100 shown in Figure 1, and both differences are that network equipment 200 replaces the multiplexer 120 in the network equipment shown in Figure 1 100 with a bus (bus) 220 and a bus control unit 210.As shown in Figure 2, bus 220 is used for connecting transmit port P1～P8 and coefficient update processor 130, and bus control unit 210 is coupled to bus 220, is used for control transmission port P1～P8 and allow one of them coefficient of utilization update processing device 130.For instance, through the connection of bus 220 and the control of bus control unit 210, in the single time, provide coefficient update processor 130 to use (being shown among Fig. 2) with thick line to one of them physical layer block (for example physical layer block PHY2).
Above-mentioned example is merely and is used for explaining application of the present invention, is not restrictive condition of the present invention, and those skilled in the art should understand, and under spirit of the present invention, all is feasible about the various variations of the execution mode of sharing coefficient update processor 130.
Through the narration of the foregoing description, those skilled in the art should understand the notion of sharing coefficient update processor, under spirit of the present invention, should the notion expansion of sharing coefficient update processor be applied in other the application.For instance, can the notion of sharing coefficient update processor be expanded the coefficient update that is applied to different elements in the same transmit port, thus, can promote the service efficiency of coefficient update processor, and further save area and reduce cost.
Please refer to Fig. 3, Fig. 3 is the sketch map of another embodiment of the network equipment 300 of sharing coefficient update processor of the present invention.In the present embodiment, only to the inner element of single transmit port.Network equipment 300 comprises at least one transmit port 310, a multiplexer 320 and a coefficient update processor 330.Transmit port 310 comprises a physical layer block PHY30; Physical layer block PHY30 comprises an echo canceller 341, a near-end crosstalk arrester (near end crosstalk canceller; NEXT canceller) 342, one far-end crosstalk arrester (FEXT canceller), 343, one digital Auto Gain controller (DAGC) 344, a feedback equalizer (feedback equalizer; FBE) 345, one feed forward equalizer (feed forward equalizer; FFE) 346 and one sequential is replied (timingrecovery) circuit 347, and wherein the operation of each element is all different.Multiplexer 320 is coupled between element 341～347 and the coefficient update processor 330, is used for according to a control signal S
CCome coefficient of utilization update processing device 330 by choosing one of them in these seven elements 341～347.Coefficient update processor 330 is coupled to multiplexer 320 and shared by these 341～347 of seven elements; The coefficient of each element among the coefficient update processor 330 decision physical layer block PHY30; And coefficient update processor 330 offers one of them element and uses in the single time; In other words, the control signal S through multiplexer 320
CSelection; In the single time, provide coefficient update processor 330 to use, thus to one of them element (promptly 341～347); The inner element of same transmit port also can shared identical coefficient update processor 330, and then reaches and save area and cost-effective purpose.
Please note; In the above embodiments; The notion system of sharing coefficient update processor is applicable to that the physical layer block in the single transmit port has in the application of a plurality of elements; Yet the present invention is not limited thereto, and the notion of sharing coefficient update processor also has in the application of a plurality of elements (that is merging of the embodiment of Fig. 1 and Fig. 3) applicable to the physical layer block in a plurality of transmit pories.
Please note again; Above-mentioned echo canceller 341, near-end crosstalk arrester 342, far-end crosstalk arrester 343, digital Auto Gain controller 344, feedback equalizer 345, feed forward equalizer 346 and time sequence restoring circuit 347 are merely and are used for explaining application of the present invention; It is not restrictive condition of the present invention; The element that also can increase or reduce other function should be looked actual demand and adjusts in physical layer block PHY30.
Certainly; The framework of the above-mentioned multiplexer that adopts 320 is merely one of execution mode of sharing coefficient update processor 330, but the present invention is not limited thereto, also can implement through alternate manner; For instance, shared framework can be implemented through a bus and a bus control unit.Operation about bus and bus control unit has been specified in preceding (please refer to Fig. 2), for repeating no more at this for purpose of brevity.
Through the narration of the foregoing description, those skilled in the art should understand the notion of sharing coefficient update processor, under spirit of the present invention, should the notion expansion of sharing coefficient update processor be applied in other the application.For instance; Can the notion of sharing coefficient update processor be expanded the coefficient update that is applied to the different piece of single element in the same transmit port; Thus, can promote the service efficiency of coefficient update processor, and further save area and reduce cost.
Please refer to Fig. 4, Fig. 4 is the sketch map of another embodiment again of the network equipment 400 of sharing coefficient update processor of the present invention.In the present embodiment, only be directed against the different piece of single element in single the transmit port.Network equipment 400 comprises at least one transmit port 410, a multiplexer 420 and a coefficient update processor 430.Transmit port 410 comprises a physical layer block PHY40, and physical layer block PHY40 comprises an element 440, and wherein element 440 comprises a first 442 and a second portion 444.For example; Element 440 is one of them of above-mentioned echo canceller 341, near-end crosstalk arrester 342, far-end crosstalk arrester 343, digital Auto Gain controller 344, feedback equalizer 345, feed forward equalizer 346 and time sequence restoring circuit 347; Yet this is not a restrictive condition of the present invention, also can be the element of other kind.Suppose that element 440 is an echo canceller, then first 442 and second portion 444 can be regarded as an odd number echo coefficient arrester and an even number echo coefficient arrester respectively.And multiplexer 420 is coupled between first 442 and second portion 444 and the coefficient update processor 430, is used for according to a control signal S
CCome coefficient of utilization update processing device 430 by choosing one of them in first 442, the second portion 444.Coefficient update processor 430 is coupled to multiplexer 420 and shared by first 442,444 of second portions; Coefficient update processor 430 usefulness decide the coefficient of the various piece of the element 440 among the physical layer block PHY40, and coefficient update processor 430 offers one of them part use in the single time.In other words, the control signal S through multiplexer 420
CSelection; In the single time; Provide coefficient update processor 430 to use to one of them part (promptly 442,444); Thus, the different piece of the single element in the same transmit port also can shared identical coefficient update processor 430, and then reaches and save area and cost-effective purpose.In addition, the different piece that coefficient update processor is offered in turn different elements is used, and then each element waits for that the time of coefficient of utilization update processing device will shorten.
Please note; In the above embodiments; The notion of sharing coefficient update processor is applicable to that the physical layer block in the single transmit port has single element but in the application of different portions; Yet; The present invention is not limited thereto, and the notion of sharing coefficient update processor is also applicable to a plurality of elements are arranged in the single transmit port but in the application of different portions or a plurality of transmit pories a plurality of elements are arranged but in the application of different portions (that is any permutation and combination of the embodiment of Fig. 1, Fig. 3 and Fig. 4).In other words, the embodiment that Fig. 1 to Fig. 4 lifted is merely the example that is used for explaining notion of the present invention; But not restrictive condition of the present invention; Those skilled in the art should understand, and under spirit of the present invention, all are feasible about the various variations of sharing coefficient update processor.
Noticing that please above-mentioned first 442, second portion 444 are merely and are used for explaining application of the present invention, is not restrictive condition of the present invention again, also can element 440 be divided into a plurality of parts, the visual actual demand of its composition number and adjusting.
Certainly, the framework of the above-mentioned multiplexer that adopts 420 is merely one of execution mode of sharing coefficient update processor 430, but the present invention is not limited thereto, also can implement through alternate manner.
Please refer to Fig. 5; Fig. 5 is the flow chart of an example operation of the method for sharing of coefficient update processor of the present invention; It comprises following step (if note that and can obtain roughly the same result, then the following step and non-limiting will the execution according to order shown in Figure 5):
Step 502: beginning.
Step 504 a: coefficient update processor is provided.
Step 506: from these a plurality of physical layer block, select one of them.
Step 508: the coefficient that utilizes this coefficient update processor convergence one first physical layer block wherein.
Step 510: the coefficient convergence end when this first physical layer block, utilize the coefficient of this coefficient update processor convergence one second physical layer block wherein, or continue the coefficient of this first physical layer block of convergence.
Step 512: finish.
Next, please cooperate each element shown in Figure 1 and each step shown in Figure 5 to explain between each element how to operate.In the present embodiment, network equipment 100 comprises eight transmit port P1～P8, and each transmit port P1～P8 respectively comprises a physical layer block PHY1～PHY8.In step 504, coefficient update processor 130 is provided.Then, multiplexer 120 through control signal Sc by selecting one of them (step 506) among physical layer block PHY1～PHY8.Then, the coefficient of selected one first physical layer block of usage factor update processing device 130 convergences, the for example coefficient (step 508) of the physical layer block PHY1 of transmit port P1.When the coefficient convergence of the first physical layer block PHY finishes; The coefficient (the for example coefficient of the physical layer block PHY2 of transmit port P2) of usage factor update processing device 130 convergences one second physical layer block wherein, or the coefficient (step 510) of the continuation convergence first physical layer block PHY1.Wherein, coefficient update processor 130 offers one of them physical layer block use in the single time.
Please refer to Fig. 6, Fig. 6 is the flow chart of another example operation of the method for sharing of coefficient update processor of the present invention, and it comprises following step:
Step 602: beginning.
Step 604 a: coefficient update processor is provided.
Step 606: select one of them in a plurality of elements that perhaps this second physical layer block is comprised from a plurality of elements that this first physical layer block is comprised.
Step 608: the coefficient that utilizes one first element of this this first physical layer block of coefficient update processor convergence.
Step 610: when the coefficient convergence end of this first element; Utilize the coefficient of one second element of this this first physical layer block of coefficient update processor convergence; An or three-element coefficient of restraining this second physical layer block, or the coefficient of this first element of continuation convergence.
Step 610: finish.
Next, please cooperate each element shown in Figure 3 and each step shown in Figure 6 to explain between each element how to operate.In the present embodiment, network equipment 300 comprises at least one transmit port 310, and transmit port 310 comprises physical layer block PHY30, and physical layer block PHY30 then comprises a plurality of elements 341～347.In step 604, coefficient update processor 330 is provided.Then, multiplexer 320 is through selecting one of them (step 606) in a plurality of elements 341～347 of control signal Sc by physical layer block PHY30.Then, the coefficient of one first element of selected first physical layer block of usage factor update processing device 330 convergences, the for example coefficient (step 608) of the echo canceller 341 of physical layer block PHY30.When the coefficient convergence of echo canceller 341 finishes; The coefficient of the near-end crosstalk arrester 342 of usage factor update processing device 330 convergence physical layer block PHY30; An or three-element coefficient of restraining this second physical layer block, or the coefficient (step 610) of continuation convergence echo canceller 341.Wherein, coefficient update processor 330 offers one of them element use in the single time.
Please refer to Fig. 7, Fig. 7 is the flow chart of another example operation of the method for sharing of coefficient update processor of the present invention, and it comprises following step:
Step 702: beginning.
Step 704 a: coefficient update processor is provided.
Step 706: from a plurality of parts that this first element is comprised, in a plurality of parts of being comprised of this second element or in a plurality of elements of being comprised of this element, select one of them.
Step 708: the coefficient that utilizes one first part of this this first element of coefficient update processor convergence.
Step 710: when the coefficient convergence end of this first part, utilize the coefficient of a second portion of this this first element of coefficient update processor convergence, or the coefficient of restraining a third part of this second element.
Step 712: finish.
Next, please cooperate each element shown in Figure 4 and each step shown in Figure 7 to explain between each element how to operate.In the present embodiment, network equipment 400 comprises at least one transmit port 410, and transmit port 410 comprises physical layer block PHY40, and physical layer block PHY40 comprises element 440, and wherein element 440 comprises first 442 and second portion 444.In step 704, coefficient update processor 430 is provided.Then, multiplexer 420 through control signal Sc by selecting one of them (step 706) in the first 442 of physical layer block element 440 and the second portion 444.Then, the coefficient of the first of selected this first element of usage factor update processing device 430 convergences, the for example coefficient (step 708) of first of element 440 part 442.When the coefficient of first part 442 is restrained end, the coefficient of second part 444 of usage factor update processing device 430 convergent elements 440, or the coefficient of restraining a third part of this second element, or the coefficient (step 710) that continues to restrain first part 442.Wherein, coefficient update processor 430 offers one of them part use in the single time.
Please note; The step of above-mentioned flow process is merely the present invention and lifts feasible embodiment, and unrestricted restrictive condition of the present invention, and under the situation of spirit of the present invention; These methods can comprise the step of other centre in addition, and those skilled in the art are when doing suitable variation according to this.
Above-described embodiment only is used for technical characterictic of the present invention is described, is not to be used for limiting to category of the present invention.In brief, above-mentioned network equipment 100,200,300,400 can be a switch, but the present invention is not limited thereto, also can be the network equipment of other kind.Moreover the number of transmit port is merely and is used for explaining example of the present invention, but not restrictive condition of the present invention.Note that network equipment 100,200,300,400 can be applicable to 10M/100MBase-T system, 1GBase-T system or 10Gbase-T system, but the present invention is not limited thereto, also can be applicable to other network system.In addition, coefficient update processor 130,330,430 can operate in the time-domain or through the conversion of mathematics formula and operate in the frequency domain, and those skilled in the art should understand, and this is not a restrictive condition of the present invention.The coefficient update processor of being mentioned in the literary composition can be implemented by a correlator, a lowest mean square (LMS) filter, a least square (LS) filter or a recursive least-squares (RLS) filter, and the coefficient update processor that also can be other kind is implemented.Certainly, the framework of the above-mentioned multiplexer that adopts is merely one of execution mode of sharing coefficient update processor, also can implement through alternate manner, and for instance, shared framework can be implemented through a bus and a bus control unit.Please note again; Above-mentioned echo canceller 341, near-end crosstalk arrester 342, far-end crosstalk arrester 343, digital Auto Gain controller 344, feedback equalizer 345, feed forward equalizer 346 and time sequence restoring circuit 347 are merely and are used for explaining application of the present invention; Be not restrictive condition of the present invention, visual actual demand and the element that increases or reduce other function are in physical layer block.In addition, the step of above-mentioned flow process and non-limiting will the execution according to the order shown in the embodiment, under spirit of the present invention, those skilled in the art should be had to change.
In sum; The notion of sharing coefficient update processor is applicable to (like Fig. 1 and Fig. 2) in the application that has a plurality of physical layer block in a plurality of transmit pories; Physical layer block in the single transmit port has in the application of a plurality of elements (like Fig. 3); Physical layer block in the perhaps single transmit port has single element but in the application of different portions (like Fig. 4), perhaps any permutation and combination of three, and those skilled in the art should understand; Under spirit of the present invention, all be feasible about the various variations of sharing coefficient update processor.
By on can know; The present invention provides a kind of network equipment of sharing coefficient update processor, and shared framework can be implemented through the combination of multiplexer or bus collocation bus control unit, and the entity module that a coefficient update processor is offered a plurality of transmit pories is shared; What is more; Can the notion expansion of sharing coefficient update processor be applied in other the application, for example the notion with sharing coefficient update processor expands the coefficient update that is applied to different elements in the same transmit port, perhaps is applied to the coefficient update of the different piece of single element in the same transmit port; Perhaps any permutation and combination of three; Thus, not only can promote the service efficiency of coefficient update processor, and can further save area and reduce cost.
The above is merely the preferred embodiments of the present invention, and the equalization that all scopes that requires to protect according to the present invention are done changes and modifies, and all should belong to covering scope of the present invention.
Claims (13)
1. the network equipment of a sharing coefficient update processor includes:
One or more transmit pories, each transmit port comprises a physical layer block; And
One coefficient update processor; Be coupled to each physical layer block and shared by this a plurality of transmit pories institute; This coefficient update processor is in order to restraining the coefficient of each physical layer block, and this coefficient update processor provides one of them physical layer block to use in the single time.
2. network equipment as claimed in claim 1, wherein each physical layer block comprises:
One first element; And
One second element, wherein this first element and shared this coefficient update processor of this second element, and this coefficient update processor offers one of them element and uses in the single time.
3. network equipment as claimed in claim 2; Wherein this first element is an echo canceller, a near-end crosstalk arrester, a far-end crosstalk arrester, a digital Auto Gain controller, a feedback equalizer, a feed forward equalizer or a sequential reflex circuit; Wherein this second element is an echo canceller, a near-end crosstalk arrester, a far-end crosstalk arrester, a digital Auto Gain controller, a feedback equalizer, a feed forward equalizer or a sequential reflex circuit, and this second element differs from this first element.
4. network equipment as claimed in claim 2, wherein this first element comprises:
One first; And
One second portion, wherein shared this coefficient update processor of this first and this second portion, and this coefficient update processor offer one of them part and use in the single time.
5. network equipment as claimed in claim 1, wherein each physical layer block comprises:
One first, a second portion ... and a N part; Operation in order to an element of common this physical layer block of completion; This first, this second portion ... and this this coefficient update processor of N partial common, but this coefficient update processor offers one of them part and uses in the single time.
6. network equipment as claimed in claim 1, it comprises a multiplexer in addition, and this multiplexer is according to the right to use of this coefficient update processor of control signal decision.
7. network equipment as claimed in claim 1, it comprises in addition:
One bus couples these a plurality of transmit pories and this coefficient update processor; And
One bus control unit is coupled to this bus, is used for controlling these a plurality of transmit pories and allows one of them to use this coefficient update processor.
8. network equipment as claimed in claim 1, wherein this coefficient update processor operates in time-domain or frequency domain.
9. the method for sharing of a coefficient update processor is applicable to a network equipment, and this network equipment includes one or more transmit pories, and each transmit port comprises a physical layer block, and this method for sharing comprises the following step:
One coefficient update processor is provided;
Utilize the coefficient of this coefficient update processor convergence one first physical layer block wherein; And
Coefficient convergence end when this first physical layer block utilizes the coefficient of this coefficient update processor convergence one second physical layer block wherein, or continues the coefficient of this first physical layer block of convergence;
Wherein, this coefficient update processor offers one of them physical layer block use in the single time.
10. method for sharing as claimed in claim 9, wherein this first physical layer block and this second physical layer block comprise one or more elements respectively, and the step that restrains the coefficient of this first physical layer block or this second physical layer block comprises:
Utilize the coefficient of one first element of this this first physical layer block of coefficient update processor convergence; And
When the coefficient convergence end of this first element, utilize the coefficient of one second element of this this first physical layer block of coefficient update processor convergence, or a three-element coefficient of restraining this second physical layer block, or the coefficient of this first element of continuation convergence;
Wherein, this coefficient update processor offers one of them element use in the single time.
11. method for sharing as claimed in claim 10; Wherein this first element, this second element and this element are respectively one of them of an echo canceller, a near-end crosstalk arrester, a far-end crosstalk arrester, a digital Auto Gain controller, a feedback equalizer, a feed forward equalizer and a sequential reflex circuit, and this first element differs from this second element.
12. method for sharing as claimed in claim 10, wherein this first element, second element and this element comprise one or more parts respectively, and the step that restrains this first element, second element or this three-element coefficient comprises:
Utilize the coefficient of one first part of this this first element of coefficient update processor convergence; And
When the coefficient convergence end of this first part, utilize the coefficient of a second portion of this this first element of coefficient update processor convergence, or the coefficient of restraining a third part of this second element;
Wherein, this coefficient update processor offers one of them part use in the single time.
13. method for sharing as claimed in claim 9, wherein this coefficient update processor operates in time-domain or frequency domain.
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| CN101009671A (en) * | 2006-01-25 | 2007-08-01 | 联发科技股份有限公司 | Applicable equalizer and equalization method |
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| CN1476256A (en) * | 2002-07-25 | 2004-02-18 | Lg电子株式会社 | SMS exchange small exchanger system and method |
| CN101009671A (en) * | 2006-01-25 | 2007-08-01 | 联发科技股份有限公司 | Applicable equalizer and equalization method |
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