CN103138949A - Network access device with low-power-consumption remote wakening mechanism - Google Patents
Network access device with low-power-consumption remote wakening mechanism Download PDFInfo
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- CN103138949A CN103138949A CN2011103788821A CN201110378882A CN103138949A CN 103138949 A CN103138949 A CN 103138949A CN 2011103788821 A CN2011103788821 A CN 2011103788821A CN 201110378882 A CN201110378882 A CN 201110378882A CN 103138949 A CN103138949 A CN 103138949A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The invention provides a network access device with a low-power-consumption remote wakening mechanism. One of embodiments of the network access device comprises a signal transmitting and receiving circuit, a demodulator circuit and a control circuit. The signal transmitting and receiving circuit is used for receiving a network signal, and the demodulator circuit is coupled with the signal transmitting and receiving circuit and used for generating a data frame according to the network signal received by the signal transmitting and receiving circuit. The control circuit is coupled to the demodulator circuit and used for wakening at least a part of components of an electronic device when at least two fields of the data frame fit a preset value or when a data frame comprising a specific field fits a specific receiving sequence.
Description
Technical field
The present invention is relevant for a kind of network access device, espespecially a kind of network access device of supporting Remote Wake Up mechanism.
Background technology
At present electronic equipment often can adopt electricity-saving mechanism, to reduce the consumption of the energy when idle or the low workload.In addition, electronic equipment also can be supported Remote Wake Up (remote wake-up) mechanism, even if make electronic equipment when power down mode, other equipment still can wake electronic equipment up by transmitting specific packet, makes it begin normal running.
Common arouse machine processed has in the magic packet (magic packet) of use or comparison packet, whether a certain field (field) meets specific format (pattern match) etc.For example, by the MAC Address (Media Access Control address) that sends 16 repetitions, electronic equipment is waken up, perhaps by the specific form of operating system definition, and whether a certain field of being compared in received packet by the network access device of electronic equipment includes specific form, and wakes electronic equipment up.
Yet present communication environment is day by day complicated, and present arouse machine processed is all the specific format of merely comparing single packet, thereby easily causes system by false wake-up (false alarm).For example, in the environment of a radio communication, electronic equipment may receive the signal of many access points (accesspoint) simultaneously, yet when electronic equipment should not supported the wake request that other access point sends, when but receiving the wakeup packet that other access point sends, if when adopting existing arouse machine processed, still can cause electronic equipment by false wake-up, and cause the meaningless power consumption of system.
Summary of the invention
In view of this, how to reduce the situation of false wake-up, and allow electronic equipment energy savings effectively, real is the industry problems to be solved.
This specification provides a kind of network access device, and it includes: a demodulator circuit, and pass to receive the network signal that circuit receives and produce a Frame according to a signal; An and control circuit, be coupled to this demodulator circuit, when this Frame meets a wake-up condition, wake at least part of element of an electronic equipment up, wherein this wake-up condition be Frame come that source MAC, target MAC (Media Access Control) address, EtherType, source IP addresses, purpose IP address, source port number, destination slogan, IP header, TCP header, frame are controlled, at least both the equaling the numerical value of presetting or being positioned at default number range of address, source and destination address field (DAF).
This specification separately provides a kind of network access device, and it includes: a demodulator circuit, and pass to receive the network signal that circuit receives and produce one first Frame, one second Frame, one the 3rd Frame and one the 4th Frame according to a signal; An and control circuit, be coupled to this demodulator circuit, when this first Frame meets one first wake-up condition, this second Frame and meets one second wake-up condition, the 3rd Frame and meet one the 3rd wake-up condition and the 4th Frame and meet the 4th wake-up condition, wake at least part of element of an electronic equipment up; Wherein this first, this second, the 3rd, and the 4th wake-up condition be Frame come that source MAC, target MAC (Media Access Control) address, EtherType, source IP addresses, purpose IP address, source port number, destination slogan, IP header, TCP header, frame are controlled, one of them numerical value that equals to preset at least of address, source and destination address field (DAF) or be positioned at default number range.
One of advantage of above-described embodiment is that the network access device can judge more accurately whether wake-up condition meets, and can reduce the probability of false wake-up, to reach the effect of low power consumption.Other advantage of the present invention will be described in detail by the following description and accompanying drawing.
Description of drawings
Fig. 1 is the functional block diagram after the communication system of one embodiment of the invention is simplified.
Fig. 2 is the flow chart that the communication system of Fig. 1 is carried out an embodiment of wake up procedure.
Fig. 3 is the schematic diagram after an embodiment of the Frame that produces of the demodulator circuit of Fig. 1 simplifies.
Fig. 4 is the schematic diagram after another embodiment of the Frame that produces of the demodulator circuit of Fig. 1 simplifies.
The main element symbol description
100 communication systems 110,130,150 electronic equipments
131 power control 140 network access devices
141 signals pass receives circuit 142 demodulator circuits
143 control circuits 300,400 Frames
Embodiment
Below will coordinate correlative type that embodiments of the invention are described.In graphic, identical label represents same or similar element or process step.
Fig. 1 is the functional block diagram after the communication system 100 of one embodiment of the invention is simplified, and communication system 100 includes electronic equipment 110,130 and 150. Electronic equipment 110 and 150 includes the elements (not illustrating in figure) such as network access device, and electronic equipment 130 includes power control 131 and network access device 140.In addition, network access device 140 includes signal biography receipts circuit 141, demodulator circuit 142 and control circuit 143.For ease of explanation, omitted other element and annexation in Fig. 1.
Electronic equipment 110,130 and 150 can be the device that computer, printer or audio and video player etc. have communication capacity, in the present embodiment, electronic equipment 130 includes normal operation pattern and battery saving mode, and when battery saving mode, the signal that can receive according to network access device 140 and being waken up enters the normal operation pattern.
Signal pass to be received circuit 141 in order to receiving network signal, and the signal that receives is sent to demodulator circuit 142.For example, signal biography receipts circuit 141 can include the elements such as radio circuit and/or antenna.
Fig. 2 is the flow chart after a embodiment that the communication system 100 of Fig. 1 is carried out wake up procedure simplifies, and below will the function mode of communication system 100 be described with Fig. 1 Fig. 2 that arranges in pairs or groups.
In flow process 210, electronic equipment 130 is in battery saving mode.
In flow process 220, electronic equipment 130 passes by the signal of network access device 140 signal that receipts circuit 141 other electronic equipments of reception transmit, and the signal that receives is sent to demodulator circuit 142.
In flow process 230, demodulator circuit 142 carries out demodulation with the signal that receives, and produces suitable Frame (data frame), for example, resolves to the defined packet of various communication protocols (packet).
In flow process 240, the Frame that control circuit 143 meetings produce according to demodulator circuit 142, and judge whether electronic equipment 130 needs to be waken up, when electronic equipment 130 need to be waken up, enter flow process 250, otherwise, enter flow process 260.
In flow process 250, send a signal to power control 131 by control circuit 143, make power control 131 that the subelement (not illustrating in Fig. 1) of electronic equipment 130 or electronic equipment 130 is set to the normal operation pattern.
In flow process 260, electronic equipment 130 is kept battery saving mode.
Fig. 3 is the schematic diagram after an embodiment of the Frame that produces after with the signal demodulation of demodulator circuit 142 simplifies, and Frame 300 is the partial content of an IEEE 802.3 defined data packet from Ethernet of standard or packet.
Fig. 4 is the schematic diagram after another embodiment of the Frame that produces after with the signal demodulation of demodulator circuit 142 simplifies, and Frame 400 is the partial content of an IEEE 802.11 defined wireless network data bags of standard or packet.
In the embodiment of Fig. 4, frame control field includes the type son field (typesubfield) of 2 and the subtype son field (subtype subfield) of 4 etc.For example, when the type son field is 00, and the subtype son field is 1011 o'clock, represents that this Frame is authentication (authentication) packet.Be 00 and work as the type son field, and the subtype son field it is 0000 o'clock, represents that this Frame is for connecting request (association request) packet.
Below will be take the Frame of Fig. 3 and Fig. 4 as example, and collocation Fig. 1 and Fig. 2, illustrate further how control circuit 143 judges according to the Frame of demodulator circuit 142 outputs whether electronic equipment 130 needs to be waken up.
In flow process 240, control circuit 143 can be compared the content of two fields in Frame and default value or default scope at least, whether meets to judge this Frame the condition of waking electronic equipment 130 up.For example, control circuit 143 can select Frame come that source MAC, target MAC (Media Access Control) address, EtherType, source IP addresses, purpose IP address, source port number, destination slogan, IP header, TCP header, frame are controlled, at least both the comparing with default value or default scope of the fields such as address, source and destination address, and when selected field all equaled default value, control circuit 143 judged that just this Frame meets wake-up condition.
For example, in one embodiment, electronic equipment 130 is only accepted the Remote Wake Up request of some application program in some equipment (as, electronic equipment 110).Therefore, the source MAC that comes in Frame equals the MAC Address of electronic equipment 110, target MAC (Media Access Control) address equals the MAC Address of electronic equipment 130, and EtherType during for default content (for example, the content of EtherType field is the code of IPv4, IPv6 or other agreement), control circuit 143 can meet wake-up condition by this Frame of judgement, and sends a signal to power control 131, makes power control 131 wake at least part of element of electronic equipment 130 up.
Owing to carrying out network service, often have the situation of data-bag lost, therefore, if electronic equipment does not receive the other side's reply within the predetermined time, just can resend same packet.Therefore, utilize this specific character, in the flow process 240 of another embodiment, control circuit 143 can select plural field to compare for a plurality of Frames, when a plurality of Frames all met wake-up condition, control circuit 143 just can make power control 131 wake electronic equipment 130 up.
In another embodiment, control circuit 143 not only can select plural field to compare for a plurality of Frames, and when a plurality of Frames in a preset period of time all met wake-up condition, control circuit 143 just can make power control 131 wake electronic equipment 130 up.
The interval that resends same packet due to electronic equipment can't be oversize, therefore, and the time that above-mentioned two embodiment only can postpone to wake up a little, but can judge more accurately but whether electronic equipment needs to be waken up.
When some electronic equipment or application program are waken other electronic equipment up, often can send packet with specific order.Therefore, in flow process 240, control circuit 143 also can be compared more than one field contents and default value in a plurality of Frames, and whether compares those Frames with default order reception, and judges whether those Frames meet the condition of waking electronic equipment 130 up.
For example, in one embodiment, when electronic equipment 110 is wanted the resource of access electronic equipments 130 (for example, archives in access electronic equipment 130 or printer etc.), can send ARP (addressresolution protocol) packet, to obtain the MAC Address of electronic equipment 130, then send out again TCP SYNC packet etc.Therefore, in this embodiment, whether the EtherType that at first control circuit 143 can compare a Frame is the code of ARP packet, and whether comparison TCP header to determine whether TCP SYNC packet, meets wake-up condition to judge these Frames in Frame subsequently.When wake-up condition met, control circuit 143 can make power control 131 wake at least part of element of electronic equipment 130 up.
In another embodiment, if electronic equipment 150 is wanted to set up when online with electronic equipment 130, can send authentication data packet, then send again and connect request data package.Therefore, in this embodiment, whether the frame control field that control circuit 143 can first be compared Frame is the code of authentication data packet, and whether the comparison frame control field to determine whether to connect the code of request data package, meets wake-up condition to judge these Frames in Frame subsequently.When wake-up condition met, control circuit 143 can make power control 131 wake at least part of element of electronic equipment 130 up.
In other the flow process 240 of embodiment, when electronic equipment 150 is wanted to set up when online with electronic equipment 130, can transmit the packet more than two, and control circuit 143 can be compared more than one field contents and default value in a plurality of Frames, whether receive with default order to compare these Frames, and judge whether these Frames meet the condition of waking electronic equipment 130 up.
As above-mentioned explanation, if do not receive within the predetermined time the other side's reply or successfully do not set up when online when electronic equipment, also can resend packet with same order.Therefore, in the flow process 240 of another embodiment, control circuit 143 can be compared more than one field contents and default value in a plurality of Frames, and judge whether these Frames are received with default order, need to receive with identical order in addition more than these Frames surpass once, control circuit 143 just can make power control 131 wake at least part of element of electronic equipment 130 up.
In another embodiment, control circuit 143 can be compared more than one field contents and default value in a plurality of Frames, and judge whether those Frames are received with default order, need to receive with identical order within the default time in addition more than these Frames surpass once, control circuit 143 just can make power control 131 wake at least part of element of electronic equipment 130 up.
The judgment mode of the above embodiments all can consider or different applied environments according to different design, and carries out suitable combination.For example, when whether control circuit 143 comparison Frames are the ARP packet, the also comparable source MAC that comes to Frame.
In another embodiment, when electronic equipment 130 can be waken up by a plurality of electronic equipments, for example, the IP address is that the electronic equipment of 192.168.1.10 to 192.168.1.100 all can wake electronic equipment 130 up, at this moment, whether the comparable source IP addresses to Frame of control circuit 143 is positioned at default scope, and whether the purpose IP address of comparison Frame is the IP address of electronic equipment 130.
In another embodiment, do not only have some electronic equipment just can wake electronic equipment 130 up if do not limit, but restriction is when only having some application program just can wake electronic equipment 130 up, the fields such as control circuit 143 can the comparision MAC Address, EtherType, source port number and/or destination slogan.
In the above-described embodiment, when control circuit 143 judged whether packet receives sequentially, can be set to these packets must receive continuously sequentially, perhaps must not receive sequentially continuously.
In the above-described embodiment, electronic equipment 130 can have multiple operating mode.For example, electronic equipment 130 originally was in battery saving mode, and after control circuit 143 woke electronic equipment 130 up, the subelement of electronic equipment 130 or electronic equipment 130 was converted to one of them running of a plurality of patterns than power consumption by the pattern of power saving.
The present invention can also combine with other electricity-saving mechanism, and makes electronic equipment 130 power saving more.For example, the electricity-saving mechanism that coordinates IEEE 802.11, not only electronic equipment 130 enters battery saving mode, and network access device 140 also only starts and receive network signal in specific time, and also allows network access device 140 enter battery saving mode in other time.Therefore, can further reach the effect of saving the energy.
The above embodiments have disclosed the mechanism of several remote wakening systems, by the reception order of a plurality of fields of accurately comparing packet and/or comparison packet, and can judge more accurately whether wake-up condition meets, to reduce the probability of false wake-up.In addition, the above embodiments can also be in conjunction with other electricity-saving mechanism, and further, reaches the effect of low power consumption.
Some vocabulary in specification and claim is used to censure specific element, and the person of ordinary skill in the field should understand, and same element may be called with different nouns.This specification and claim not with the difference of title as the mode of distinguishing element, but take element the difference on function to come be the benchmark of distinguishing.Be an open term mentioned " comprising " in specification and claim, therefore should be construed to " comprise but be not limited to ".In addition, " couple " word comprise any directly and indirectly connect means.Therefore, be coupled to the second device if describe first device in literary composition, represent that first device can be directly connected in the second device by signal connected modes such as electric connection, wire transmission, wireless transmission or optical delivery, or by other device or connection means indirectly electrically or signal be connected to this second device.
Specification and graphic in quantity, address and the annexation etc. of element be only schematically narration and draw, with simplified illustration.In specification, each element can be implemented with one or more elements, and perhaps in specification, the function of a plurality of elements also can be implemented by identity element, and all belongs to covering scope of the present invention.
The above is only preferred embodiment of the present invention, the Partial Feature of each embodiment and embodiment all can be suitably in conjunction with and not mutual exclusion, all equalizations of doing according to the present patent application the scope of the claims change, modify and make up, and all belong to covering scope of the present invention.
Claims (10)
1. network access device, it includes:
One demodulator circuit pass to be received the network signal that circuit receives and is produced one first Frame according to a signal; And
One control circuit is coupled to described demodulator circuit, when described the first Frame meets first wake-up condition, wakes at least part of element of an electronic equipment up;
Wherein said the first wake-up condition be Frame come that source MAC, target MAC (Media Access Control) address, EtherType, source IP addresses, purpose IP address, source port number, destination slogan, IP header, TCP header, frame are controlled, at least both the equaling the numerical value of presetting or being positioned at default number range of address, source and destination address field (DAF).
2. network access device according to claim 1, wherein said demodulator circuit also can produce one second Frame, and when described the first Frame and described the second Frame all met described the first wake-up condition, described control circuit can wake at least part of element of described electronic equipment up.
3. network access device according to claim 1, wherein said demodulator circuit also can produce one second Frame, and when described the first Frame meets described the first wake-up condition, and when described the second Frame meets second wake-up condition, described control circuit can wake at least part of element of described electronic equipment up, described the second wake-up condition is the source MAC that comes of Frame, target MAC (Media Access Control) address, EtherType, source IP addresses, purpose IP address, source port number, the destination slogan, the IP header, the TCP header, frame is controlled, at least both the equaling the numerical value of presetting or be positioned at default number range of source address and destination address field (DAF).
4. according to claim 2 or 3 described network access devices, wherein when the time of reception of described the first Frame and described the second Frame during less than a default time range, described control circuit just can wake at least part of element of described electronic equipment up.
5. according to claim 1,2 or 3 described network access devices, wherein said signal pass receives circuit within a period, and only a plurality of time points in fixed intervals receive network signals.
6. network access device, it includes:
One demodulator circuit pass to be received the network signal that circuit receives and is produced one first Frame, one second Frame, one the 3rd Frame and one the 4th Frame according to a signal; And
One control circuit, be coupled to described demodulator circuit, when described the first Frame meets one first wake-up condition, described the second Frame and meets one second wake-up condition, described the 3rd Frame and meet one the 3rd wake-up condition and described the 4th Frame and meet the 4th wake-up condition, wake at least part of element of an electronic equipment up;
Wherein said first, described second, described the 3rd, and described the 4th wake-up condition be Frame come that source MAC, target MAC (Media Access Control) address, EtherType, source IP addresses, purpose IP address, source port number, destination slogan, IP header, TCP header, frame are controlled, one of them numerical value that equals to preset at least of address, source and destination address field (DAF) or be positioned at default number range.
7. network access device according to claim 6, wherein said signal passes receives the network signal that circuit first receives described the first Frame, receive again the network signal of described the second Frame, receive again the network signal of described the 3rd Frame, then receive the network signal of described the 4th Frame.
8. according to claim 6 or 7 described network access devices, same field in wherein said the first wake-up condition and described the 3rd wake-up condition selection Frame is compared with default numerical value or default number range, and/or the same field in described the second wake-up condition and described the 4th wake-up condition selection Frame is compared with the numerical value of presetting or default number range.
9. according to claim 6 or 7 described network access devices, wherein said the first wake-up condition and described the second wake-up condition are selected in order to having at least a field not identical with field that default numerical value or default number range are compared, and/or described the 3rd wake-up condition and described the 4th wake-up condition are selected in order to have at least a field not identical with field that default numerical value or default number range are compared.
10. according to claim 6 or 7 described network access devices, wherein said signal pass receives circuit within a period, and only a plurality of time points in fixed intervals receive network signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110378882.1A CN103138949B (en) | 2011-11-24 | There is low power consumption remote and wake up the network access device of mechanism up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110378882.1A CN103138949B (en) | 2011-11-24 | There is low power consumption remote and wake up the network access device of mechanism up |
Publications (2)
| Publication Number | Publication Date |
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| CN103138949A true CN103138949A (en) | 2013-06-05 |
| CN103138949B CN103138949B (en) | 2016-12-14 |
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| WO2017035989A1 (en) * | 2015-08-28 | 2017-03-09 | 小米科技有限责任公司 | Method and apparatus for waking up electronic device |
| WO2018010641A1 (en) * | 2016-07-14 | 2018-01-18 | Huawei Technologies Co., Ltd. | Mac frame design of wake-up frame for wake-up receiver |
| CN108702704A (en) * | 2017-03-02 | 2018-10-23 | 华为技术有限公司 | A kind of method and apparatus of wake on wireless equipment |
| US10171277B2 (en) | 2016-07-14 | 2019-01-01 | Huawei Technologies Co., Ltd. | Frame format and design of wake-up frame for a wake-up receiver |
| US10445107B2 (en) | 2016-07-14 | 2019-10-15 | Huawei Technologies Co., Ltd. | Security design for a wake up frame |
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| CN104734748A (en) * | 2013-12-19 | 2015-06-24 | 意法半导体公司 | Zero standby power for powerline communication devices |
| CN104734748B (en) * | 2013-12-19 | 2018-01-02 | 意法半导体公司 | Zero stand-by electric for power line communications apparatus |
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| WO2018010641A1 (en) * | 2016-07-14 | 2018-01-18 | Huawei Technologies Co., Ltd. | Mac frame design of wake-up frame for wake-up receiver |
| US10171277B2 (en) | 2016-07-14 | 2019-01-01 | Huawei Technologies Co., Ltd. | Frame format and design of wake-up frame for a wake-up receiver |
| US10342064B2 (en) | 2016-07-14 | 2019-07-02 | Huawei Technologies Co., Ltd. | Wake-up-receiver frame permitting identification by non-compatible receiver |
| US10445107B2 (en) | 2016-07-14 | 2019-10-15 | Huawei Technologies Co., Ltd. | Security design for a wake up frame |
| US10524304B2 (en) | 2016-07-14 | 2019-12-31 | Huawei Technologies Co., Ltd. | MAC frame design of wake-up frame for wake-up receiver |
| CN108702704A (en) * | 2017-03-02 | 2018-10-23 | 华为技术有限公司 | A kind of method and apparatus of wake on wireless equipment |
| CN108702704B (en) * | 2017-03-02 | 2021-01-05 | 华为技术有限公司 | Method and device for waking up wireless device |
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