CN101888373A - Power consumption control method applied to communication system and related communication system thereof - Google Patents
Power consumption control method applied to communication system and related communication system thereof Download PDFInfo
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- CN101888373A CN101888373A CN2009101393844A CN200910139384A CN101888373A CN 101888373 A CN101888373 A CN 101888373A CN 2009101393844 A CN2009101393844 A CN 2009101393844A CN 200910139384 A CN200910139384 A CN 200910139384A CN 101888373 A CN101888373 A CN 101888373A
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Abstract
The invention discloses a communication system, which comprises a first network device and a second network device. A power consumption control method applied to the communication system comprises the following steps of: inspecting receiving capability of the first network device and generating a first inspection result; and optionally notifying the second network device of regulating transmission capability of the second network device according to the first inspection result; transmitting a first notification signal for notifying the second network device when the first inspection result shows that the receiving capability value of the first network device is larger than a first threshold value; and regulating down the transmission capability of the second network device when the first notification signal is received.
Description
Technical field
Relevant a kind of power consumption control method and the relevant apparatus thereof that is applied to communication system of the present invention refers to that especially a kind of transfer capability that utilizes linking up each other between two network equipments to adjust network equipment also utilizes the mechanism of going back on one's word to avoid the method and apparatus that makes the mistake to reach the purpose of saving power.
Background technology
In the communication system of working at high speed, for example: 1Gbase-T/10Gbase-T Ethernet (Ethernet) system, if its circuit running is more frequent, then the power consumption of this communication system (powerconsumption) can increase accordingly; In addition, along with the increase of transmit port (port) number, the power consumption of this communication system also can increase accordingly.Therefore, how to save the power consumption of communication system, real is one of important topic of this design field.
The way of present common power saving is to adjust the parameter of a network equipment (for example first network equipment) self in the communication system, similarly is the effect that the receiving ability of transfer capability by downgrading conveyer or receiver reaches power saving.Owing to can't determine whether the other side's network equipment (for example second network equipment) still can be normally online after first network equipment downgrades, and for fear of making a mistake, can reserve some spaces (margin) usually.Yet the waste of power consumption but can be caused in the space of being reserved, and can't reach best power saving effect.
Summary of the invention
One of purpose of the present invention is to provide a kind of power consumption control method and device thereof that is applied to a communication system, to solve the problem in the prior art.
Embodiments of the invention have disclosed a kind of power consumption control method that is applied to a communication system.Communication system comprises first network equipment and second network equipment.Power consumption control method comprises step: check the receiving ability of first network equipment, and produce first check result; And foundation first check result optionally notifies second network equipment to adjust the transfer capability of second network equipment.The receiving ability that shows first network equipment when first check result sends first notification signal and notifies second network equipment during greater than first critical value; When receiving first notification signal, downgrade the transfer capability of second network equipment.
Embodiments of the invention have also disclosed a kind of power consumption control method that is applied to a communication system.Power consumption control method comprises step: level to a predetermined level that reduces idle sequence; And use predetermined level to transmit idle sequence.
Embodiments of the invention have also disclosed a kind of communication system of may command power consumption.Communication system comprises first network equipment and second network equipment.First network equipment comprises first receiver, first conveyer, first is checked the module and first signal transmitting module.First checks the receiving ability of first receiver of module check first network equipment, and produces first check result.First signal transmitting module optionally produces notification signal according to first check result.Second network equipment comprises second receiver, second conveyer and the second transfer capability adjusting module.The second transfer capability adjusting module is adjusted the transfer capability of second conveyer of this second network equipment according to notification signal.
Description of drawings
Fig. 1 is the schematic diagram of first embodiment of the communication system of may command power consumption of the present invention.
Fig. 2 is the schematic diagram of second embodiment of the communication system of may command power consumption of the present invention.
Fig. 3 is the schematic diagram of the 3rd embodiment of the communication system of may command power consumption of the present invention.
Fig. 4 is applied to the flow chart of an example operation of the power consumption control method of a communication system for the present invention.
Fig. 5 is applied to the flow chart of another example operation of the power consumption control method of a communication system for the present invention.
Fig. 6 is applied to the flow chart of another example operation of the power consumption control method of a communication system for the present invention.
Fig. 7 is applied to the flow chart of another example operation of the power consumption control method of a communication system for the present invention.
[main element label declaration]
100,200,300 communication systems
1100,2100,3,100 first network equipments
1200,2200,3,200 second network equipments
110 first receivers
120 first conveyers
130 first check module
140 first signal transmitting module
150 first transfer capability adjusting modules
160 second conveyers
170 second receivers
180 second check module
190 secondary signal sending modules
195 second transfer capability adjusting modules
RS11, RS12 first check result
RS22 second check result
RS31 the 3rd check result
TH1 first critical value
TH2 second critical value
TH3 the 3rd critical value
TH4 the 4th critical value
NS1, NS2, NS3, NS4, NS51, NS52 notification signal
210 first delivering power adjusting modules
220 second delivering power adjusting modules
RA1 first adjustable range
RA2 second adjustable range
310 first idle sequence level adjusting modules
320 first idle sequence delivery modules
330 second idle sequence level adjusting modules
340 second idle sequence delivery modules
IS1, the IS2 sequence of leaving unused
The L1 predetermined level
402～462,510～530,602～622,702～706 steps
The A node
Embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of first embodiment of the communication system 100 of may command power consumption of the present invention.Communication system 100 comprises first network equipment 1100 and second network equipment 1200 as shown in Figure 1.First network equipment 1100 comprises (but being not limited to) first receiver 110, first conveyer 120, first is checked module 130, first signal transmitting module 140 and the first transfer capability adjusting module 150.Second network equipment 1200 comprises (but being not limited to) second conveyer 160, second receiver 170, second is checked module 180, secondary signal sending module 190 and the second transfer capability adjusting module 195.Wherein, first checks that module 130 is used for checking the receiving ability of first receiver 110 of first network equipment 1100, and produces the first check result RS11.First signal transmitting module 140 optionally produces a notification signal according to the first check result RS11.195 transfer capabilities of adjusting second conveyer 160 of second network equipment 1200 according to this notification signal of the second transfer capability adjusting module.On the other hand, second checks the receiving ability of second receiver 170 of module 180 meeting inspections second network equipment 1200, and produces the first check result RS12.Secondary signal sending module 190 can optionally produce a notification signal according to the first check result RS12.150 transfer capabilities of adjusting first conveyer 120 of first network equipment 1100 according to this notification signal of the first transfer capability adjusting module.
Next, give some instances to describe how the foundation first check result RS11 optionally notifies second network equipment 1200 to adjust the transfer capability of second conveyer 160.
In first example, communication system 100 is the 10M/100MBase-T system, and the first check result RS11 shows that the receiving ability of first network equipment 1100 is greater than the first critical value TH1.At this moment, first signal transmitting module 140 of first network equipment 1100 can send the first notification signal NS1 and notify second network equipment 1200.After second network equipment 1200 received the first notification signal NS1, the second transfer capability adjusting module 195 can directly downgrade the transfer capability of second conveyer 160.
In second example, communication system 100 is 1GBase-T system or 10Gbase-T system, and the first check result RS11 shows that the receiving ability of first network equipment 1100 is greater than the first critical value TH11.At this moment, first signal transmitting module 140 of first network equipment 1100 can send the first notification signal NS1 and notify second network equipment 1200.After second network equipment 1200 received the first notification signal NS1, the second transfer capability adjusting module 195 can downgrade the transfer capability of second conveyer 160.Because the transfer capability that downgrades second conveyer 160 can cause the receiving ability variation of second receiver 170, therefore second of second network equipment 1200 check that module 180 can downgrade after module 195 downgrades the transfer capability of second conveyer 160 at second transfer capability, the receiving ability of checking second receiver 170 is to produce the second check result RS22.Next, describe in two kinds of situation.The receiving ability that shows second receiver 170 as the second check result RS22 is during greater than the second critical value TH2, and secondary signal sending module 190 can send the second notification signal NS2 and notify first network equipment 1100 can continue to downgrade the transfer capability of second conveyer 160; Otherwise, when the second check result RS22 showed that the receiving ability of second receiver 170 is not more than the second critical value TH2, secondary signal sending module 190 can send the 3rd notice signal NS3 and notify first network equipment 1100 not allow to continue to downgrade the transfer capability of second conveyer 160.
In the 3rd example, after the second transfer capability adjusting module 195 downgraded the transfer capability of second conveyer 160, first of first network equipment 1100 checked that the receiving ability of module 130 discoveries first receiver 110 becomes too poor.At this moment, first check that the receiving ability of module 130 meeting inspections first receiver 110 is to produce the 3rd check result RS31.When the 3rd check result RS31 showed that the receiving ability of first receiver 110 is not more than the first critical value TH1, first signal transmitting module 140 can send four-way and know that signal NS4 notifies second network equipment 1200.In receiving after four-way knows signal NS4, the second transfer capability adjusting module 195 can increase the transfer capability of second conveyer 160.In other words, when the transfer capability that downgrades second conveyer 160 when the second transfer capability adjusting module 195 can cause the receiving ability of first receiver 110 to become too poor, necessarily require the second transfer capability adjusting module 195 to increase the transfer capability of second conveyer 160 at once.
In above-mentioned each example, the first inspection module 130 and the second inspection module 180 can be checked signal to noise ratio (the Signal to NoiseRatio of the network signal that first receiver 110 and second receiver 170 are received, SNR), maximum wrong (Maxima error) or Viterbi mistake (Viterbi error) ... etc., with reference as receiving ability.And the first transfer capability adjusting module 150 and the second transfer capability adjusting module 195 can be adjusted the operating voltage of first conveyer 120 and second conveyer 160 or the signal amplitude of its transmission signal respectively, to adjust transfer capability.In addition, each above-mentioned example is under the training mode (training mode) that can be executed in communication system 100, for example set up the process of network on-line, but the present invention is not limited thereto.
On the other hand, the second inspection module 180 of second network equipment 1200 also can be checked the receiving ability of second receiver 170 of second network equipment 1200, produce the first check result RS12, and optionally notify first network equipment 1100 to adjust the transfer capability of first conveyer 120 according to the first check result RS12.Function mode and aforementioned first network equipment 1100 that how to require first network equipment 1100 to adjust the transfer capability of first conveyer 120 about second network equipment 1200 requires the function mode of transfer capability of second network equipment, 1200 adjustment, second conveyer 160 identical, so, repeat no more in this for for purpose of brevity.
As from the foregoing, the disclosed communication system 100 of the present invention can by between two network equipments 1100,1200 link up each other adjust network equipment transfer capability to reach the purpose of saving power.In addition, by both sides downgrade or increase transfer capability for several times after, promptly can find best setup parameter, to reach best power saving effect.
Certainly, above-mentioned communication system 100 only is one of possible embodiments of the present invention, in other embodiment, can design more function in first network equipment 1100, second network equipment 1200, promotes communication system 100 more applications scopes.
Please refer to Fig. 2, Fig. 2 is the schematic diagram of second embodiment of the communication system 200 of may command power consumption of the present invention.The framework of the communication system 200 of Fig. 2 and the communication system 100 of Fig. 1 are similar, both differences are that in Fig. 2 first network equipment 2100 of communication system 200 and second network equipment 2200 respectively comprise the first delivering power adjusting module 210 and the second delivering power adjusting module 220.At this moment, first of first network equipment 2100 checks that module 130 also is used for checking the first adjustable range RA1 of the receiving ability of first receiver 110, and first signal transmitting module 140 also is used for the first adjustable range RA1 is sent to second network equipment 2200.The second delivering power adjusting module 220 of second network equipment 2200 can downgrade the delivering power of second conveyer 160 of second network equipment 2200 according to the first adjustable range RA1 after receiving the first adjustable range RA 1 that first network equipment 2100 transmitted.On the other hand, second of second network equipment 2200 checks that module 180 also is used for checking the second adjustable range RA2 of the receiving ability of second receiver 170, and secondary signal sending module 190 also is used for the second adjustable range RA2 is sent to first network equipment 2100.The first delivering power adjusting module 210 of first network equipment 2100 can downgrade the delivering power of first conveyer 120 of first network equipment 2100 according to the second adjustable range RA2 after receiving the second adjustable range RA2 that second network equipment 2200 transmitted.
In brief, in first embodiment, communication system 100 can by between two network equipments 1100,1200 link up each other adjust network equipment transfer capability to reach the purpose of saving power.And in second embodiment, communication system 200 in addition by between two network equipments 2100,2200 link up each other adjust network equipment delivering power to save more power.It should be noted that communication system 100 applicable in 10M/100MBase-T system, 1GBase-T system or the 10Gbase-T system, and communication system 200 is only applicable in 10M/100MBase-T system or the 1GBase-T system.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of the 3rd embodiment of the communication system 300 of may command power consumption of the present invention.As shown in Figure 3, communication system 300 comprises first network equipment 3100 and second network equipment 3200, and wherein first network equipment 3100 comprises first receiver 110, first conveyer, 120, the first idle sequence level adjusting module 310 and the first idle sequence delivery module 320.The first idle sequence level adjusting module 310 is used for reducing level to the predetermined level L1 of idle sequence (idle sequence) IS1, and the first idle sequence delivery module 320 then uses predetermined level L1 to transmit idle sequence IS1.On the other hand, second network equipment 3200 comprises second receiver 170, second conveyer, 160, the second idle sequence level adjusting module 330 and the second idle sequence delivery module 340.The level that the second idle sequence level adjusting module 330 is used for reducing an idle sequence IS2 is to predetermined level L1, and the second idle sequence delivery module 340 then uses predetermined level L1 to transmit idle sequence IS2.For example, in the 1GBase-T system, if use the PAM5 modulation system to transmit data, then under general state, can use+2 ,+level such as 1,0 ,-1 ,-2 transmit data, and under idle state, then can use+level such as 2,0 ,-2 transmit idle sequence.And in present embodiment, then make into to use predetermined level such as+1,0 ,-1 to transmit idle sequence IS1, IS2, to save the power under the idle state.
Note that each above-mentioned embodiment is executed under the training mode (trainingmode) of communication system 100, for example set up the process of network on-line, but the present invention is not limited thereto.If under data transfer mode, finding must have the mechanism of going back on one's word to notify the other side's parameter adjustment that aforementioned adjustment is excessive to return when setting up online back and cause the mistake generation of itself because of the environment variation.Please refer to Fig. 1 (or Fig. 2).When the first check result RS11 shows that the receiving ability of first receiver 110 is not more than the 3rd critical value TH3 (the 3rd critical value TH3 differs from the first critical value TH1), first signal transmitting module 140 can send notification signal NS51 and notify second network equipment 1200.After second network equipment 1200 received notification signal NS51, the second transfer capability adjusting module 195 can increase the transfer capability of second conveyer 160.In like manner, when the first check result RS12 showed that the receiving ability of second receiver 170 is not more than the 4th critical value TH4 (the 4th critical value TH4 differs from the second critical value TH2), secondary signal sending module 180 can send notification signal NS 52 and notify first network equipment 1100.After first network equipment 1100 received notification signal NS52, the first transfer capability adjusting module 150 can increase the transfer capability of first conveyer 120.Present embodiment is to be executed under the data transfer mode (data mode), but the present invention is not limited thereto.
Notice again that please each above-mentioned embodiment for being used for illustrating embodiments of the invention, is not a restrictive condition of the present invention only.Without doubt, those skilled in the art should understand, and under spirit of the present invention, the various variations of the communication system that Fig. 1 to Fig. 3 mentioned all are feasible.For example, any permutation and combination of the communication system that Fig. 1 to Fig. 3 mentioned can be become a new alternate embodiment, this also is subordinate to the category that the present invention is contained.
Please refer to Fig. 4, Fig. 4 is applied to the flow chart of an example operation of the power consumption control method of a communication system for the present invention, it comprises (but being not limited to) following step and (please notes, if can obtain identical in fact result, then these steps might not be carried out in accordance with execution order shown in Figure 4):
Step 402: beginning.
Step 404: check the receiving ability of first network equipment, and produce first check result.Then, execution in step 406.
Step 406: whether the receiving ability of judging first network equipment is greater than first critical value.The receiving ability that shows first network equipment when first check result is during greater than first critical value, execution in step 420; Otherwise, execution in step 410.
Step 410: the transfer capability of not adjusting second network equipment.
Step 420: send first notification signal and notify second network equipment.Jump to node A.
Step 422: when receiving first notification signal, downgrade the transfer capability of second network equipment.When communication system is 10M/100MBase～T system, execution in step 430; When communication system is 1GBase-T system or 10Gbase-T system, execution in step 440.
Step 430: finish.Get back to step 404.
Step 440: the receiving ability of checking second network equipment is to produce second check result.Then, execution in step 442.
Step 442: whether the receiving ability of judging second network equipment is greater than second critical value.The receiving ability that shows second network equipment when second check result is during greater than second critical value, execution in step 450; Otherwise, execution in step 460.
Step 450: send second notification signal and notify first network equipment can continue to downgrade the transfer capability of second network equipment.
Step 460: send the 3rd notice signal and notify first network equipment not allow to continue to downgrade the transfer capability of second network equipment.Then, execution in step 462.
Step 462: the transfer capability that increases second network equipment.
How each step that please arrange in pairs or groups shown in Figure 4 and each element shown in Figure 1 can operate by each element, for for purpose of brevity, so repeat no more in this.Step 404, the 406th wherein, by first check module 130 performed it, step 410,422, the 462nd, by the second transfer capability adjusting module 195 performed it, step 420 be by first signal transmitting module 140 performed it, step 440, the 442nd, by second check module 180 performed it, and step 450, the 460th, by secondary signal sending module 190 performed it.It should be noted that, step 420～430 are the performed step of first example (when communication system 100 is the 10M/100MBase-T system) among first embodiment, and step 420～462 are the performed step of second example (when communication system 100 is 1GBase-T system or 10Gbase-T system) among first embodiment.
Please refer to Fig. 5, Fig. 5 is applied to the flow chart of another example operation of the power consumption control method of a communication system for the present invention, and it comprises (but being not limited to) following steps:
Step 510: the receiving ability of checking first network equipment is to produce the 3rd check result.Then, execution in step 512.
Step 512: whether the receiving ability of judging first network equipment is greater than first critical value.The receiving ability that shows first network equipment when the 3rd check result is during greater than first critical value, execution in step 530; Otherwise, execution in step 520.
Step 520: send four-way and know that signal notifies second network equipment.Then, execution in step 522.
Step 522:, increase the transfer capability of second network equipment in receiving after four-way knows signal.
Step 530: finish.
How each step that please arrange in pairs or groups shown in Figure 5 and each element shown in Figure 1 can operate by each element, for for purpose of brevity, so repeat no more in this.Wherein, the step 510 of Fig. 5 is continuity node A from Fig. 4.It should be noted that step 510～522 are the 3rd the performed step of example among first embodiment.
Please refer to Fig. 6, Fig. 6 is applied to the flow chart of another example operation of the power consumption control method of a communication system for the present invention, and it comprises (but being not limited to) following steps:
Step 602: beginning.
Step 610: check first adjustable range of the receiving ability of first network equipment, and first adjustable range is sent to second network equipment.Then, execution in step 612.
Step 612: after receiving first adjustable range, downgrade the delivering power of second network equipment according to first adjustable range.
Step 620: check second adjustable range of the receiving ability of second network equipment, and second adjustable range is sent to first network equipment.Then, execution in step 622.
Step 622: after receiving second adjustable range, downgrade the delivering power of first network equipment according to second adjustable range.
How each step that please arrange in pairs or groups shown in Figure 6 and each element shown in Figure 2 can operate by each element, for for purpose of brevity, so repeat no more in this.
Please refer to Fig. 7, Fig. 7 is applied to the flow chart of another example operation of the power consumption control method of a communication system for the present invention, and it comprises (but being not limited to) following steps:
Step 702: beginning.
Step 704: level to a predetermined level that reduces an idle sequence.
Step 706: use predetermined level to transmit this idle sequence.
How each step that please arrange in pairs or groups shown in Figure 7 and each element shown in Figure 3 can operate by each element, for for purpose of brevity, so repeat no more in this.
The step of above-mentioned each flow process only for the present invention for feasible embodiment, and unrestricted restrictive condition of the present invention, and under the situation of spirit of the present invention, the method can also comprise other intermediate steps or several steps can be merged into one step, to do suitable variation.
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.As from the foregoing, the invention provides a kind of power consumption control method and relevant apparatus thereof that is applied to a communication system.Link up the transfer capability adjust network equipment by utilizing each other between two network equipments, to reach the purpose of saving power.Thus, by both sides downgrade or increase transfer capability for several times after, promptly can find best setup parameter, to reach best power saving effect.In addition, can design more function in first network equipment, second network equipment, promote the range of application of communication system.For example, can by between two network equipments 2100,2200 link up the delivering power (please refer to the communication system 200 of Fig. 2 and the flow chart of Fig. 6) adjust network equipment each other, perhaps transmit this idle sequence to save the power (please refer to the communication system 300 of Fig. 3 and the flow chart of Fig. 7) under the idle state by the level that reduces an idle sequence.In addition, the cover mechanism of going back on one's word that can design notifies the other side's parameter adjustment that aforementioned adjustment is excessive to return, and makes the mistake avoiding.Therefore, the power consumption controlling mechanism of the disclosed communication system of the present invention not only can reach best power saving effect by the communication each other between two network equipments, and can avoid wrong generation.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (22)
1. power consumption control method that is applied to communication system, this communication system comprises first network equipment and second network equipment, and this power consumption control method includes:
Check the receiving ability of this first network equipment, and produce first check result; And
Optionally notify this second network equipment to adjust the transfer capability of this second network equipment according to this first check result.
2. power consumption control method according to claim 1, wherein optionally notify this step that second network equipment is adjusted the transfer capability of this second network equipment to include according to this first check result:
The receiving ability that shows this first network equipment when this first check result sends first notification signal and notifies this second network equipment during greater than first critical value; And
When receiving this first notification signal, downgrade the transfer capability of this second network equipment.
3. power consumption control method according to claim 2, it also comprises:
Behind the transfer capability that downgrades this second network equipment, the receiving ability of checking this second network equipment is to produce second check result; And
The receiving ability that shows this second network equipment when this second check result sends second notification signal and notifies this first network equipment can continue to downgrade the transfer capability of this second network equipment during greater than second critical value.
4. power consumption control method according to claim 3, it also comprises:
When this second check result shows that the receiving ability of this second network equipment is not more than this second critical value, send the 3rd notice signal and notify this first network equipment not allow to continue to downgrade the transfer capability of this second network equipment; And
Increase the transfer capability of this second network equipment.
5. power consumption control method according to claim 2, it also comprises:
Behind the transfer capability that downgrades this second network equipment, the receiving ability of checking this first network equipment is to produce the 3rd check result;
When the 3rd check result shows that the receiving ability of this first network equipment is not more than this first critical value, send four-way and know that signal notifies this second network equipment; And
In receiving after this four-way knows signal, increase the transfer capability of this second network equipment.
6. power consumption control method according to claim 2, it is to be executed under the training mode of this communication system.
7. power consumption control method according to claim 1, it also comprises:
Check the adjustable range of the receiving ability of this first network equipment, and this adjustable range is sent to this second network equipment; And
After receiving this adjustable range, downgrade the delivering power of this second network equipment according to this adjustable range.
8. power consumption control method according to claim 1, it also comprises:
The level that reduces an idle sequence is to predetermined level; And
Use this predetermined level to transmit this idle sequence.
9. power consumption control method according to claim 1, wherein optionally notify this step that second network equipment is adjusted the transfer capability of this second network equipment to include according to this first check result:
When this first check result shows that the receiving ability of this first network equipment is not more than the 3rd critical value, send five-way and know that signal notifies this second network equipment; And
In receiving this five-way when knowing signal, increase the transfer capability of this second network equipment.
10. power consumption control method according to claim 9, it is to be executed under the data transfer mode of this communication system.
11. power consumption control method according to claim 1, wherein check the step of the receiving ability of this first network equipment, the signal to noise ratio, maximum mistake or the Viterbi mistake that are the network signal that received according to this first network equipment are to check the receiving ability of this first network equipment.
12. the communication system of a may command power consumption includes:
First network equipment includes:
First receiver;
First conveyer;
First checks module, is used for checking the receiving ability of this first receiver of this first network equipment, and produces first check result; And
First signal transmitting module is used for optionally producing notification signal according to this first check result;
Second network equipment includes:
Second receiver;
Second conveyer; And
The second transfer capability adjusting module is used for adjusting according to this notification signal the transfer capability of this second conveyer of this second network equipment.
13. communication system according to claim 12, wherein this first signal transmitting module is used for:
The receiving ability that shows this first network equipment when this first check result sends first notification signal and notifies this second network equipment during greater than first critical value; And
This second transfer capability adjusting module is used for:
When receiving this first notification signal, downgrade the transfer capability of this second network equipment.
14. communication system according to claim 13, wherein this second network equipment also comprises:
Second checks module, is used for downgrading after module downgrades the transfer capability of this second conveyer in this second transfer capability, and the receiving ability of checking this second receiver is to produce second check result; And
Secondary signal sending module, the receiving ability that is used for showing this second network equipment in this second check result send second notification signal and notify this first network equipment can continue to downgrade the transfer capability of this second network equipment during greater than second critical value.
15. communication system according to claim 14, wherein this secondary signal sending module also is used for:
When this second check result shows that the receiving ability of this second network equipment is not more than this second critical value, send the 3rd notice signal and notify this first network equipment not allow to continue to downgrade the transfer capability of this second network equipment; And
This second transfer capability adjusting module also is used for:
When this second check result shows that the receiving ability of this second network equipment is not more than this second critical value, increase the transfer capability of this second network equipment.
16. communication system according to claim 13, wherein this first inspection module also is used for:
Behind the transfer capability that downgrades this second network equipment, the receiving ability of checking this first network equipment is to produce the 3rd check result;
This first signal transmitting module also is used for:
When the 3rd check result shows that the receiving ability of this first network equipment is not more than this first critical value, send four-way and know that signal notifies this second network equipment; And
This second transfer capability adjusting module also is used for:
In receiving after this four-way knows signal, increase the transfer capability of this second network equipment.
17. communication system according to claim 13, it is to be executed under the training mode.
18. communication system according to claim 12, wherein this first inspection module also is used for:
Check the adjustable range of this first receiver of this first network equipment;
This first signal transmitting module also is used for:
This adjustable range is sent to this second network equipment; And
This second network equipment also comprises:
The second delivering power adjusting module is used for after receiving this adjustable range, downgrades the delivering power of this second conveyer of this second network equipment according to this adjustable range.
19. communication system according to claim 12, wherein this first network equipment also comprises:
The first idle sequence level adjusting module is used for reducing the level of an idle sequence to predetermined level; And
The first idle sequence delivery module uses this predetermined level to transmit this idle sequence; And
This second network equipment also comprises:
The second idle sequence level adjusting module is used for reducing the level of this idle sequence to this predetermined level; And
The second idle sequence delivery module uses this predetermined level to transmit this idle sequence.
20. communication system according to claim 12, wherein this first signal transmitting module also is used for:
When this first check result shows that the receiving ability of this first receiver is not more than the 3rd critical value, send five-way and know that signal notifies this second network equipment; And
This second transfer capability adjusting module also is used for:
After receiving this first notification signal, increase the transfer capability of this second conveyer.
21. communication system according to claim 20, it is to be executed under the data transfer mode.
22. communication system according to claim 12, wherein this first checks module, signal to noise ratio, maximum mistake or the Viterbi mistake of the network signal that is received according to this first receiver to be checking the receiving ability of this first receiver, and produce first check result.
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| CN102546231A (en) * | 2010-11-29 | 2012-07-04 | 瑞昱半导体股份有限公司 | Network device and method for supporting power saving mechanism by automatic negotiation mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008535431A (en) * | 2005-04-08 | 2008-08-28 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Power control and link adaptation scheme based on multi-user detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546231A (en) * | 2010-11-29 | 2012-07-04 | 瑞昱半导体股份有限公司 | Network device and method for supporting power saving mechanism by automatic negotiation mechanism |
| CN102546231B (en) * | 2010-11-29 | 2015-01-28 | 瑞昱半导体股份有限公司 | Network device and method for supporting power saving mechanism by automatic negotiation mechanism |
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