CN1599320A - Device and method for realizing remote control dormancy and wake-up in radio network - Google Patents
Device and method for realizing remote control dormancy and wake-up in radio network Download PDFInfo
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Abstract
This invention provides a device and a method for remote control sleep and wake in wireless network, which is composed of a sleep controller, a multipath controlled power supply and a wireless network acc device remote control interface which can carry out remote control and sleep and wake to the embedded host, wireless acc devices and other outboard devices to enable the broadband transmission, wireless test control, monitor, remote control and automatic control base on WLAN to operate in energy save.
Description
Technical field
The invention belongs to the computer communication network technical field, it is particularly related to and realizes remote wireless control dormancy, the technology of waking up in the wireless network.
Technical background
As everyone knows, current communication and development of computer direction have been represented in the development of radio computer network technology.Along with the appearance of 802.11 serial protocols, WLAN (wireless local area network) has been expanded the range of application of Internet and ICP/IP protocol greatly.But in the ordinary course of things, the application that move in the broadband all relates to the application of 32 above microprocessors, various highly energy-consuming mainboard and peripheral hardwares at a high speed, and the too short bottleneck that has become wireless mobile application of battery-powered time.For example in some battery-powered small-sized, mobile, unmanned monitoring stations, robot etc. use, because embedded host, peripheral hardware and communication module power consumption are many, stand-by time is short, makes the scientific achievement of many this respects can not be converted into actuals and move towards market.
Part patent related to the present invention is summarized as follows in the prior art:
1. the method for managing power supply of Wireless LAN module and equipment (China Patent No. 03154872.5) in the computer system: a kind of method for managing power supply and the equipment that are used for the wireless LAN module of computer system.
2. mobile terminal sleep phase is specified and notice (China Patent No. 00808573.0) in the WLAN (wireless local area network): access point wakes some up in the mac frame that PDU is arranged on WLAN (wireless local area network) diverse location, the dormancy time of portable terminal is reached to greatest extent, thereby saved energy.
3. a kind of variable sleep mode of travelling carriage (China Patent No. 99814425.8) in the mobile communications network: by determining the variable parameter of reviving, change the sleep cycle of travelling carriage, set up travelling carriage and automatically enter the time that high power consumption mode is listened to beep-page message from low-power consumption mode.
4. be applied to the method (China Patent No. 02147244.0) of embedded electricity-saving system: a kind of method that is applied to embedded electricity-saving system, establish a province's electric unit and a reset cell in the central processing unit, and reach the effect of saving electric power.
Serial protocols such as the mainstream technology IEEE802.11a/b/g of radio computer network, there has been commercial chipset to sell now, designed very perfect Energy Saving Control system in these radio transmitting and receiving chip inside, but its function only is confined to chip internal or wireless communication section, there is not the externally Energy Saving Control interface of connection, can not main control system and other peripheral hardware power supplys, after the main frame shutdown, can not open host computer system by wireless signal.In wired computer network mainstream technology IEEE802.3 network, have the technology (WOL technology) of Remote Wake Up at present, it is made up of mainboard, network interface card and power supply three parts of supporting WOL, but this technology can not be supported wireless network.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the invention provides and realizes Long-distance Control dormancy and the device and method that wakes up in a kind of wireless network, adopt in the wireless network provided by the invention and to realize Long-distance Control dormancy and the device and method that wakes up, can the Long-distance Control dormancy and wake up, can carry out addressing, can reliably control and prevent malfunction according to the wireless network access device address, the useful life that the standby time is economized electric energy, prolongation battery and equipment, volume, weight and the cost of the wireless mobile application apparatus of minimizing.
Realize in the wireless network that Long-distance Control dormancy and the system that wakes up comprise base station and unmanned mobile radio station, wherein the base station is made up of remote control software, main control computer, wireless network access device and antenna; Unmanned mobile radio station is made up of dormancy controller 1, multichannel controllable electric power 2, wireless network access device Remote Control Interface 3, embedded host, wireless network access device, antenna and other circuit and peripheral hardware, as shown in Figure 1.
In order to describe content of the present invention easily, at first do terminological interpretation:
1. dormancy and waking up: operation and method that the base station is closed and opened long-range unmanned mobile radio station embedded host, wireless network access device and other peripheral hardwares can be divided into two kinds of park modes:
1) pattern 1---and the standby park mode: under this pattern, the dormancy controller does not cut out wireless network access device, only closes embedded host and relevant peripheral hardware; After embedded host was closed, the dormancy controller received the base station by wireless network access device and wireless network access device Remote Control Interface and wakes instruction up, wakes embedded host and relevant peripheral hardware up;
2) pattern 2---and timing contract fully pattern: when the long-time dormancy of embedded host needs, when not needing to wake embedded host up in a period of time, the dormancy controller is with embedded host and wireless network access device Close All.After the timing of dormancy controller inside (this timing is determined by base station command) finishes, dormancy controller open wireless network access equipment, system enters the standby park mode.
2. dormancy controller: be positioned at unmanned mobile radio station, the power supply of control embedded host, wireless network access device and other peripheral hardwares, to realize embedded host, wireless network access device and other peripheral hardware dormancy and the device that wakes up, it is characterized in that the dormancy controller receives instruction by embedded host during the embedded host start, the dormancy controller receives instruction by the wireless network access device Remote Control Interface during the embedded host shutdown.
3. embedded host: be positioned at unmanned mobile radio station, finish the embedded computer system of various controls and application function (as data collection, image processing etc.).Embedded host receives base station command by wireless network access device, finishes various controls and application function, and by wireless network access device with the data back main frame.
4. wireless network access device: make a kind of equipment of unmanned mobile radio station access of radio network, generally constitute, also can adopt formations such as wireless aps, wireless router, wireless network card by wireless bridge.
5. wireless network access device Remote Control Interface: form by the interface circuit that on common wireless network access device basis, increases, it is not worked during the embedded host start, after entering certain park mode, the embedded host shutdown, power supply is cut off, the instruction that wakes up that send the base station is just passed to the dormancy controller by the wireless network access device Remote Control Interface with wake-up signal, and embedded host, peripheral hardware etc. are restarted, and enters the start operating state.
The invention provides and realize Long-distance Control dormancy and the device that wakes up in a kind of wireless network, as shown in Figure 2, it comprises antenna, wireless network access device, embedded host etc., it is characterized in that it also comprises dormancy controller 1, multichannel controllable electric power 2 and wireless network access device Remote Control Interface 3 three parts;
Described dormancy controller 1 is made up of the low energy-consumption electronic device that can realize microprocessor function, as single-chip microcomputer, programmable logic chip, DSP etc., as shown in Figure 2;
Described multichannel controllable electric power 2 comprises at least three power modules: power supply I, power supply II, power supply III, and wherein power supply I comprises incoming line, output line and ground wire, the output line of power supply I is connected with dormancy controller 1; Power supply II and power supply III comprise incoming line, output line, control line and ground wire, the output line of power supply II is connected with embedded host, the output line of power supply III is connected with wireless network access device, and the control line of power supply II, power supply III is connected with dormancy controller 1 respectively, as shown in Figure 2;
Described wireless network access device Remote Control Interface 3 comprises signal coupling circuit and thresholding adjustment circuit two parts, signal coupling circuit in the described wireless network access device Remote Control Interface 3 is by realizing that the circuit that signal coupling can prevent that again circuit from disturbing forms, as photoelectricity coupling circuit, transformer-coupled circuit etc.; Wireless network access device Remote Control Interface 3 can be adjusted circuit by signal coupling circuit and thresholding and connect to form successively, also can adjust circuit and signal coupling circuit connects to form successively by thresholding;
The output line of power supply I in described dormancy controller 1 and the multichannel controllable electric power 2 is connected, and is 1 power supply of dormancy controller by the power supply I in the multichannel controllable electric power 2; Power supply II in dormancy controller 1 and the multichannel controllable electric power 2, the control line of power supply III are connected respectively, control closing and opening of embedded host and wireless network access device by dormancy controller 1 respectively by multichannel controllable electric power 2: the input of wireless network access device Remote Control Interface 3 is connected with wireless network access device, and the output of wireless network access device Remote Control Interface 3 is connected with dormancy controller 1; Dormancy controller 1 is connected with embedded host, and the feeder of wireless network access device is connected with antenna, and the netting twine of wireless network access device is connected with embedded host, as shown in Figure 2;
Described dormancy controller 1, multichannel controllable electric power 2, wireless network access device Remote Control Interface 3 constitute according to top connected mode realizes Long-distance Control dormancy and the device that wakes up in the wireless network of the present invention, as shown in Figure 2.
Need to prove:
Described dormancy controller 1 still keeps work when the embedded host dormancy, it can independently exist, also can with other function common hardware resources of application system; When not entering park mode, the dormancy controller can be worked in coordination with embedded host and be finished some application functions, handle as data, and IMAQ etc., dormancy this moment controller receives instruction from embedded host; When entering park mode, embedded host is closed, and the dormancy controller receives instruction from the wireless network access device Remote Control Interface, realizes various forms of dormancy; The dormancy controller can cut out and open the embedded host power supply, can also close and open wireless network access equipment power supply, if needed, can also close and open other various peripheral hardware power supplys.
Described multichannel controllable electric power 2 input power supplys are generally provided by storage battery, common batteries, also can use ac rectifying power source or Switching Power Supply that DC power supply is provided; The input of multichannel controllable electric power can be provided by a general supply, and each road power supply is according to the required voltage of equipment requirements difference output equipment; The multichannel controllable electric power comprises at least three road out-put supplies, and has at least two-way directly to be controlled by the level signal of dormancy controller output, to realize the difference opening and closing of embedded host and wireless network access device; As also controlling other peripheral hardware power supplys, can according to circumstances increase the out-put supply way; The multichannel controllable electric power also should comprise good filter circuit, good voltage regulation performance, meets the requirement of dormancy controller, embedded host, wireless network access device and other peripheral hardwares to guarantee out-put supply.
The characteristics of described wireless network access device Remote Control Interface 3 are: (1) signal coupling circuit is realized the good isolation design, guarantees can not produce interfering with each other of the signal of telecommunication between wireless network access device and other circuit; (2) assurance of thresholding adjustment circuit can be because of not receiving air interference signal malfunction, action message when guaranteeing to receive useful signal.
Realize Long-distance Control dormancy and the device that wakes up in the wireless network provided by the invention, utilize the Address Recognition function of wireless network access device selectively to receive special instruction in the wireless signal, assurance has only when the base station and sends address in the instruction when identical with this wireless network access device address, just allows to send this instruction to the dormancy controller.
The invention provides in a kind of wireless network and to realize Long-distance Control dormancy and the method for waking up, it is characterized in that the step realization below adopting of described dormancy and wake-up control method, flow chart as shown in Figure 3:
Step 1: the dormancy controller starts;
Step 2: embedded host electrifying startup;
Step 3: embedded host receives the base station command that transmits by wireless network access device, judges whether the base station command of receiving is dormancy controller function instruction: then instruction is sent into the dormancy controller in this way, changed over to step 5, otherwise continue execution in step 4;
Step 4: embedded host is carried out various application function work, changes step 3 simultaneously over to and continues to receive base station command;
Step 5: the dormancy controller is operated according to the base station remote control command after receiving the base station command that is transmitted by embedded host: if the base station remote control command requires to close embedded host, then change step 6 over to; Otherwise the dormancy controller changes mode of operation according to the requirement of base station command, changes step 4 over to;
Step 6: embedded host carries out the data deposit, withdraws from embedded host operating system;
Step 7: the dormancy controller is carried out sleep operation: as present mode is the standby park mode, and then dormancy controller control multichannel controllable electric power is closed the embedded host power supply, changes step 9 over to; As present mode is regularly the contract fully pattern, and then dormancy controller control multichannel controllable electric power is closed embedded host and wireless network access device power supply, continues execution in step 8;
Step 8: after dormancy controller timing (this timing is determined by base station command) finishes, dormancy controller control multichannel controllable electric power open wireless network access equipment power supply;
Step 9: the dormancy controller is waited for and is received the wake-up signal that transmit by wireless network access device and wireless network access device Remote Control Interface the base station, dormancy controller control multichannel controllable electric power is opened the embedded host power supply after receiving wake-up signal, change step 2 over to, otherwise continue to wait for reception.
Through above step, dormancy controller and embedded host collaborative work just can realize that the wireless network medium-long range controls dormancy and wake up.
Need to prove:
Realize Long-distance Control dormancy and the method for waking up in the described wireless network, usually the form with software module is embedded in the large software system of related application, as a part in the large software, finish dormancy and the model selection that wakes up, parameter control, action execution etc. specially.
The function that the method that realizes the Long-distance Control dormancy in the described wireless network and wake up realizes is: (1). by the base station remote control command, trigger interrupt service routine, embedded host power initiation triggering signal is delivered to multichannel controllable electric power respective terminal; (2) according to base station command and parameter, control the closing of wireless network access device, unlatching, dormancy are regularly and various functions such as cycle unlatching; (3). a plurality of programs are arranged in order to guarantee the whole system reliability of operation; (4). guarantee embedded host switching on and shutting down required time of delay.
Realize in the described wireless network that Long-distance Control dormancy and the method for waking up can guarantee no matter which kind of mode embedded host adopts shut down, after entering wakeup process, can after restoring electricity, finish the multichannel controllable electric power all self checks and bootup process automatically, start application program, finish and the base station communication contact, and enter a certain normal mode of operation according to base station commands.
The advantage of described standby park mode is that to wake response speed up fast, and it is best that shortcoming is that power savings can not reach, and still power consumption of wireless communication module part (total economize on electricity about 63% in the experiment) generally is used for dormancy in short-term, needs situation about waking up at any time; Regularly the advantage of contract fully pattern is power savings good (economize on electricity reaches 95% in the experiment), and shortcoming is can not wake up when regularly finishing.By software setting, can also design complicated park mode, above two kinds of sleep modes are organically combined, timing contract fully mode 30 minute for example periodically is set, standby park mode 5 minutes etc.By various combination collocations flexibly, can design the dormancy and the shut-in time of variety of way, obtain in actual applications good serviceability and power savings.
Essence of the present invention is to realize Long-distance Control dormancy and the device and method that wakes up in a kind of wireless network by providing, realization is to the long-range dormancy of embedded host, wireless network access device and other peripheral hardwares and wake up, can carry out addressing according to the bridge address, can reliably control and prevent malfunction, highly save electric energy during standby, prolong the useful life of battery and equipment, reduce volume, weight and the cost of various wireless mobile application apparatuss, can be applied to radio computer network and various application system thereof.
Innovation of the present invention is: compare with existing radio computer network technology, the present invention can and wake up by the Long-distance Control dormancy, easily embedded host, wireless network access device and other peripheral hardware power supplys are selectively controlled and closed or open, can be so that, can both under the situation of saving very much the energy, move based on systems such as the big data quantity transmission of WLAN, radio fest and control, monitoring, remote control, automatic controls.
The present invention has the following advantages:
1. energy-conservation and environmental protection: selectively wake up and dormancy by long-range, can make transfer of data and control, can both under the condition of saving very much the energy, move (actual energy-conservation in example reaches as high as 95%), meet the environmental protection notion simultaneously based on WLAN.
2. realization unattended operation: can realize the control of headend station unattended operation systems such as radio fest and control, monitoring, remote control, automatic control easily, also can be used for the remote control control of unmanned machines such as robot, unmanned aerial vehicle, unmanned naval vessel.
3. system reliability height: system has Address Recognition ability and good isolation design, can carry out addressing according to bridge (perhaps other wireless devices) address, guarantees not because of air interference signal malfunction, thereby can realize reliably controlling and preventing malfunction.
4. reduce electromagnetic radiation and interference, save frequency spectrum resource:, therefore can farthest reduce electromagnetic radiation and, save frequency spectrum resource simultaneously the interference of other communication equipments because bridge can not cut off the power supply when not working fully.
5. prolong the useful life of battery and equipment.
6. owing to solved the economize on electricity problem of whole system, reduced volume, weight and the cost of various wireless mobile application apparatuss significantly.
7. have practicality, an advance.
The present invention can be so that based on the transmission of the big data quantity of WLAN, radio fest and control, monitoring, remote control, systems such as automatic control, can both under the situation of saving very much the energy, move, this just makes the realization of original many embedded host wireless application systems that are subjected to the battery-powered time restriction from not becoming possibility, from the commodity that can only come true at the model machine of laboratory operation, also wireless network access device Remote Control Interface among the present invention and dormancy controller etc. and wireless network access device product salable in the market can be integrated in the equipment, form new product with better function.
Application prospect of the present invention is boundless, it can be applied to the radio computer network application system, Internet, unattended surveillance network (audio frequency, video) etc. in the various wireless remote controls field, the robot system of for example various band radio communications, unattended marine marker formula monitoring system, unmanned naval vessels, drone, unmanned road transport, the unattended radar station, unattended operation environmental protection blowdown and rivers,lakes and seas water quality on-line monitoring system ... the application of the technology of the present invention can be deep into all trades and professions of society, because this paper length is limit, and can't enumerate its range of application one by one.The present invention is mainly used in the product of 802.11 serial protocols, and 802.11 serial protocols are the most great-hearted new technologies in the current communications electronics industry, and most possibly becomes the standard of mobile communication the 4th generation (4G) multimedia handset.
In sum, the present invention can impel many existing and from now on New Productization, the marketizations, with after other new technologies combine, can create very high economic benefit.
Description of drawings
Fig. 1 is that the present invention realizes control dormancy of wireless network medium-long range and the system configuration schematic diagram that wakes up
Fig. 2 is that the present invention realizes control dormancy of wireless network medium-long range and the installation drawing that wakes up
Wherein, the 1st, dormancy controller, the 2nd, multichannel controllable electric power, the 3rd, wireless network access device Remote Control Interface.
Fig. 3 is that the present invention realizes control dormancy of wireless network medium-long range and the method program flow chart that wakes up
Wherein, illustrated label 1,2 ... the expression execution in step, order and the control dormancy of aforesaid realization wireless network medium-long range are identical with the method step that wakes up.
Embodiment for example
Marine underwater sound remote supervision system:
In the marine underwater sound remote supervision system, realize dormancy controller, embedded 586 mainboards realization embedded host, IEEE802.11b wireless bridge realization wireless network access device with low-power scm, above equipment and notebook hard disk, data collecting card etc. are by lithium battery power supply.This system is provided with dual port RAM as data buffering between dormancy controller and embedded host, the multichannel controllable electric power adopts a plurality of DC-DC (DC-DC converter module) to realize different voltage transformations.This system adopts omnidirectional antenna, and the maritime wireless communication distance reaches the 7-10 kilometer.Underwater sound signal can be gathered by submarine sound signal sensor by system, through program control amplification, and the A/D conversion, buffer-stored is after compression, encryption wait and handle, by being wirelessly transmitted to the base station.Operating personnel utilize this system also to have some other functions such as GPS location at the waveform of base station real-time monitored underwater sound signal, frequency spectrum etc.Adopt after the technology of the present invention, maximum economize on electricity reaches 95% during by the lithium battery power supply standby, has prolonged the useful life of battery and equipment greatly, has realized energy-saving and environmental protection and unattended operation, improve system reliability, reduced volume, weight and the cost of equipment significantly.
Claims (3)
1. realize Long-distance Control dormancy and the device that wakes up in a wireless network, it comprises antenna, wireless network access device, embedded host, it is characterized in that it also comprises dormancy controller (1), multichannel controllable electric power (2) and wireless network access device Remote Control Interface (3) three parts;
Described dormancy controller (1) is made up of the low energy-consumption electronic device that can realize microprocessor function, describedly realizes that the low energy-consumption electronic device of microprocessor function can be single-chip microcomputer, programmable logic chip, DSP;
Described multichannel controllable electric power (2) comprises at least three power modules: power supply I, power supply II, power supply III, and wherein power supply I comprises incoming line, output line and ground wire, the output line of power supply I is connected with dormancy controller (1); Power supply II and power supply III comprise incoming line, output line, control line and ground wire, the output line of power supply II is connected with embedded host, the output line of power supply III is connected with wireless network access device, and the control line of power supply II, power supply III is connected with dormancy controller (1) respectively;
Described wireless network access device Remote Control Interface (3) comprises signal coupling circuit and thresholding adjustment circuit two parts, wireless network access device Remote Control Interface (3) can be adjusted circuit by signal coupling circuit and thresholding and connect to form successively, also can adjust circuit and signal coupling circuit connects to form successively by thresholding;
The output line of power supply I in described dormancy controller (1) and the multichannel controllable electric power (2) is connected, and is dormancy controller (1) power supply by the power supply I in the multichannel controllable electric power (2); Power supply II in dormancy controller (1) and the multichannel controllable electric power (2), the control line of power supply III are connected respectively, control closing and opening of embedded host and wireless network access device by dormancy controller (1) respectively by multichannel controllable electric power (2); The input of wireless network access device Remote Control Interface (3) is connected with wireless network access device, and the output of wireless network access device Remote Control Interface (3) is connected with dormancy controller (1); Dormancy controller (1) is connected with embedded host, and the feeder of wireless network access device is connected with antenna, and the netting twine of wireless network access device is connected with embedded host.
2. realize Long-distance Control dormancy and the device that wakes up in a kind of wireless network according to claim 1, it is characterized in that signal coupling circuit in the described wireless network access device Remote Control Interface (3) is by realizing that the circuit that signal coupling can prevent that again circuit from disturbing forms, it can be the photoelectricity coupling circuit, also can be transformer-coupled circuit.
3. the device of realizing the Long-distance Control dormancy in a kind of wireless network according to claim 1 and waking up is realized Long-distance Control dormancy and the method for waking up, it is characterized in that the following step of its employing realizes:
Step 1: the dormancy controller starts;
Step 2: embedded host electrifying startup;
Step 3: embedded host receives the base station command that transmits by wireless network access device, judges whether the base station command of receiving is dormancy controller function instruction: then instruction is sent into the dormancy controller in this way, changed over to step 5, otherwise continue execution in step 4;
Step 4: embedded host is carried out various application function work, changes step 3 simultaneously over to and continues to receive base station command;
Step 5: the dormancy controller is operated according to the base station remote control command after receiving the base station command that is transmitted by embedded host: if the base station remote control command requires to close embedded host, then change step 6 over to; Otherwise the dormancy controller changes mode of operation according to the requirement of base station command, changes step 4 over to;
Step 6: embedded host carries out the data deposit, withdraws from embedded host operating system;
Step 7: the dormancy controller is carried out sleep operation: as present mode is the standby park mode, and then dormancy controller control multichannel controllable electric power is closed the embedded host power supply, changes step 9 over to; As present mode is regularly the contract fully pattern, and then dormancy controller control multichannel controllable electric power is closed embedded host and wireless network access device power supply, continues execution in step 8;
Step 8: after dormancy controller timing (this timing is determined by base station command) finishes, dormancy controller control multichannel controllable electric power open wireless network access equipment power supply;
Step 9: the dormancy controller is waited for and is received the wake-up signal that transmit by wireless network access device and wireless network access device Remote Control Interface the base station, dormancy controller control multichannel controllable electric power is opened the embedded host power supply after receiving wake-up signal, change step 2 over to, otherwise continue to wait for reception;
Through above step, dormancy controller and embedded host collaborative work just can realize that the wireless network medium-long range controls dormancy and wake up.
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| US6738617B2 (en) * | 2001-05-15 | 2004-05-18 | Qualcomm Incorporated | Controller for reducing latency in a group dormancy-wakeup process in a group communication network |
| US20030022704A1 (en) * | 2001-07-26 | 2003-01-30 | Inventec Appliances Corp. | Method for saving power of cellular phone |
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