CN104581894A - Radio awakening method and radio awakening circuit - Google Patents
Radio awakening method and radio awakening circuit Download PDFInfo
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- CN104581894A CN104581894A CN201310474378.0A CN201310474378A CN104581894A CN 104581894 A CN104581894 A CN 104581894A CN 201310474378 A CN201310474378 A CN 201310474378A CN 104581894 A CN104581894 A CN 104581894A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
- H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower where the power saving management affects multiple terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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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
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a radio awakening method and a radio awakening circuit, relates to the technical field of wireless communication networks, and aims to solve the problem concerned with wireless sensor network control. The method comprises the following steps that: a node judges a WBAN (Wireless Body Area Network) service type; and the node starts a node awakening flow corresponding to the WBAN network service type according to the WBAN network service type. The technical scheme provided by the invention is suitable for a WBAN, and an accurate and controllable WBAN is realized.
Description
Technical field
The invention belongs to cordless communication network technical field, particularly relate to the radio wakeup method in a kind of wireless human body local area network (WBAN) and radio wakeup circuit.
Background technology
WBAN is a kind of novel wireless sensor network, the sensor node being distributed in human skin or implant into body is utilized to carry out collector's body important information, by information transmission to center intelligent node, information is sent to base station by communication by center intelligent node.Certification can be carried out in this way to personal identification, or the physiological characteristic information of human body is carried out monitoring, gathering, and wirelessly pass to hospital etc., also can the automobile of control information, household electrical appliances, special industry electronic equipment etc., current WBAN is existing a lot of application in fields such as daily life, medical treatment, amusements.
WBAN has obtained extensive research in the world, comprise each side personages such as medical skill provider, hospital, insurance company and industrial quarters and carry out Strategic Cooperation, but be still in the early stage starting stage at present, face series of challenges in milliwatt level network energy consumption, interoperability, system equipment, fail safe, sensor validates, data consistency etc.WBAN node energy is provided by battery, energy constraint, therefore, reduces energy consumption, improves the Focal point and difficult point that network lifetime becomes research.
IEEE802.15 working group has formally set up TG6 working group in 2007, be devoted to the standardized research of WBAN, and formally issued IEEE802.15.6 standard agreement first draft in March, 2012, this standard uses current ISM frequency band and other frequency bands through medical treatment, managerial authority approval, support QoS, meet the low-power of WBAN, high data rate (reaching as high as 10Mbps) communicating requirement.
IEEE802.15.6 standard agreement first draft mainly defines physical layer (PHY) and Media Access Controlled sublayer (MAC) specification of WBAN, mac-layer protocol is used for reducing energy of wireless sensor network consumption, main method has two kinds, one adopts duty ratio mechanism: when sensor node has transfer of data, transceiver is in activated state; When node is without transfer of data, turns off transceiver and enter dormant state, to save energy; Another kind is an extra additional radio wakeup circuit, and the radio signal outside this circuit service band, can be waken up sensor node by dormant state and communicate.Wake on wireless electric network uses two channels, i.e. packet, command channel and wake on wireless signal of telecommunication channel.
Summary of the invention
The invention provides a kind of radio wakeup method and radio wakeup circuit, solve the problem that wireless sensor network controls.
A kind of radio wakeup method, comprising:
Node judges WBAN network traffic types;
Described node, according to described WBAN network traffic types, starts the flow process of waking node corresponding to described WBAN network traffic types.
Preferably, described WBAN network traffic types comprises:
The general business type not having tight timing requirements produced in the normal state, initiated by network center, require that certain sensor node transmits the demand type of service of the data of specifying to network center, and node need to central transmission in the original plan outside the urgency traffic type of emergency data business.
Preferably, when described WBAN network traffic types is general business type, described node, according to described WBAN network traffic types, starts the flow process of waking node corresponding to described WBAN network traffic types and comprises:
Described node enters activated state based on awakening mode, is linked into channel and waits for the beacon of network center.
Preferably, the method also comprises:
Network center sends beacon to the node being in activated state, described beacon comprises synchronously, priority, channel number and gap information.
Preferably, described WBAN network traffic types be demand type of service or urgency traffic type time, described node according to described WBAN network traffic types, start the flow process of waking node corresponding to described WBAN network traffic types comprise:
Described node enters dormancy;
Described node receives the wake command bag that network center sends;
Whether the authentication code that wakes up in the wake command bag that described node inspection receives wakes authentication code up with this locality of this node and mates;
Described node judge in the wake command bag received wake up authentication code and this locality of this node wake up authentication code mate time, described node starts main circuit, carries out transfer of data with described network center.
Preferably, after what described startup was corresponding to described WBAN network traffic types wake the step of the flow process of node up, also comprise:
Described node, after completing this data transfer task, upgrades and wakes authentication code up, and restart for the described counter waking authentication code up.
Preferably, described node also comprises before receiving the step of the wake command bag that network center sends:
Described network center sends described wake command bag by low-power radio frequency signal to described node, and described low-power radio frequency signal is in ISM band and uses and wakes authentication code WAC technology up.
Present invention also offers a kind of radio wakeup circuit, comprise telecommunication circuit and electric power management circuit, described telecommunication circuit and electric power management circuit are all connected with the CPU of node;
Described telecommunication circuit is connected with the network center of WBAN;
Described electric power management circuit is connected with the current supply circuit of main circuit, accepts the control of described CPU, for described main circuit is powered.
Preferably, described telecommunication circuit is receiving wake command bag that network center sends and is being forwarded to CPU, CPU confirm in the wake command bag that receives wake up authentication code and this locality wake up authentication code mate time, to described electric power management circuit transmission closure signal;
The described electric power management circuit loop that described in closed pair, main circuit is powered after receiving described closure signal.
Preferably, described network center sends wake command bag by low-power radio frequency signal.
The invention provides a kind of radio wakeup method and radio wakeup circuit, node judges WBAN network traffic types, described node is according to described WBAN network traffic types, start the flow process of waking node corresponding to described WBAN network traffic types, different arouse machine processeds is adopted to different types of service, solve the problem that wireless sensor network controls, reduce WBAN network power consumption, prolong network lifetime.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of sensor node that embodiments of the invention one provide;
Fig. 2 is the structural representation of a kind of radio wakeup circuit that embodiments of the invention one provide;
Fig. 3 is the flow chart of a kind of radio wakeup method that embodiments of the invention two provide;
Fig. 4 is the particular flow sheet of step 303 in embodiments of the invention two;
Fig. 5 is the particular flow sheet of step 305 in embodiments of the invention two;
Fig. 6 is the flow chart of a kind of radio wakeup method that embodiments of the invention three provide;
The specific implementation schematic diagram of a kind of radio wakeup circuit that Fig. 7 provides for embodiments of the invention four.
Embodiment
Hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Below by accompanying drawing and example, technical scheme of the present invention is described in detail.
First by reference to the accompanying drawings, embodiments of the invention one are described.
Embodiments provide a kind of sensor node, its structure as shown in Figure 1, on existing sensor node architecture basics, with the addition of wake-up circuit, the structure of wake-up circuit as shown in Figure 2, comprise telecommunication circuit and electric power management circuit, described telecommunication circuit and electric power management circuit are all connected with the CPU of node;
Described telecommunication circuit is connected with the network center of WBAN;
Described electric power management circuit is connected with the current supply circuit of main circuit, accepts the control of described CPU, for described main circuit is powered.
Telecommunication circuit monitors the traffic assignments of WBAN, and electric power management circuit provides different brackets power supply energy and Circuit activation ability according to WBAN service condition.
Wake-up circuit in WBAN is connected with main circuit, wake-up circuit can wake the CPU and main circuit that are in resting state up, when CPU is in certain hour off position, resting state can be entered by the main circuit of CPU control WBAN, and activate wake-up circuit. after wake-up circuit activates CPU and main circuit, main circuit will receive each sensor data information, and set up data communication links with network center, and sensor information process and the transmission and the business that realizes that complete WBAN perform.
Concrete, described telecommunication circuit is receiving wake command bag that network center sends and is being forwarded to CPU, CPU confirm in the wake command bag received wake up authentication code and this locality wake up authentication code mate time, to described electric power management circuit transmission closure signal; The described electric power management circuit loop that described in closed pair, main circuit is powered after receiving described closure signal.
Below in conjunction with accompanying drawing, embodiments of the invention two are described.
Embodiments provide a kind of radio wakeup method, the sensor node shown in composition graphs 1, use radio wakeup method provided by the invention to complete flow process that sensor node wakes up as shown in Figure 3, comprising:
Step 301, WBAN Network to be divided three classes: the general business type not having tight timing requirements produced in the normal state, initiated by network center, require that certain sensor node transmits the demand type of service of the data of specifying to network center, and node need to central transmission in the original plan outside the urgency traffic type of emergency data business.For three class different network services, adopt the arouse machine processed that two classes are different: 1) based on the driving arouse machine processed of the general business type of event; 2) the radio wakeup mechanism of demand type of service and urgency traffic type is applicable to.
Step 302:WBAN network center controls distribution and the use of channel, is the resources such as peer distribution channel band and time slot.In IEEE802.15.6 agreement, channel divides in units of the superframe of TDMA, contains beacon, contention access stage CAP, special access phase EAP and uncontested access phase CFP tetra-part based on protection time slot GTS in each superframe.
Step 303: access mode.Select the access way allocated channel based on FDMA/TDMA, this step is concrete as shown in Figure 4, comprising:
Step 3031, gives each peer distribution unique channel by network center;
Step 3032, the GTS that each node is taken in the uncontested stage CFP of superframe by TDMA mode protects time slot, for carrying out general business transmission;
Step 3033, demand and urgency traffic transmit at superframe contention access stage CAP and special access phase EAP.
Step 304: for general business, node enters activated state based on awakening mode, is linked into channel, waits for the beacon from network center.Because the awakening mode of each node is known by network center, only send beacon to the node being in activated state, contain the information such as synchronous, priority, channel number and time slot.
Step 305: for demand business and urgency traffic, arouse machine processed allows node enter dormancy and waken up by the Signal transmissions of other sensor nodes.Wake-up circuit is introduced in sensor node, have enough energy to start wakeup process, and network center is low-power radio frequency signal to the wake-up signal that node sends, and is in ISM band (2.4GHz frequency range), and employ and wake authentication code WAC technology up, to ensure the fail safe waken up.Wakeup process as shown in Figure 5, comprising:
Step 3051, network center sends wake command bag to node;
Step 3052, whether the authentication code that wakes up in the wake command bag that node inspection receives wakes authentication code up with this locality and compares, mate;
Step 3053, if coupling, wake-up circuit starts main circuit;
Step 3054, carries out transfer of data between network center and node;
Step 3055, after completing this data transfer task, network center calculates new waking authentication code up and sends to node updates to wake authentication code up.Network center and node all reset respective counter.
Below in conjunction with accompanying drawing, embodiments of the invention three are described.
Embodiments provide a kind of radio wakeup method, use the method to complete the flow process of radio wakeup as shown in Figure 6, comprising:
Step 601, node judge WBAN network traffic types;
In the embodiment of the present invention, WBAN network traffic types is divided into:
The general business type not having tight timing requirements produced in the normal state, initiated by network center, require that certain sensor node transmits the demand type of service of the data of specifying to network center, and node need to central transmission in the original plan outside the urgency traffic type of emergency data business.
In this step, the information that the wake-up circuit in node arrives according to automatic network receive centre, judges type of service.
Step 602, described node, according to described WBAN network traffic types, start the flow process of waking node corresponding to described WBAN network traffic types;
In this step, specifically comprise:
1, when described WBAN network traffic types is general business type, described node enters activated state based on awakening mode, is linked into channel and waits for the beacon of network center.
Meanwhile, network center sends beacon to the node being in activated state, described beacon comprises synchronously, priority, channel number and gap information.
2, described WBAN network traffic types be demand type of service or urgency traffic type time, described node enters dormancy.
Described network center sends described wake command bag by low-power radio frequency signal to described node, and described low-power radio frequency signal is in ISM band and uses and wakes authentication code WAC technology up.Described node receives the wake command bag that network center sends.
After described node receives wake command bag, check that the authentication code that wakes up in the wake command bag that receives wakes authentication code up with this locality of this node and whether mates, and described node judge in the wake command bag received wake up authentication code and this locality of this node wake up authentication code mate time, described node starts main circuit, carries out transfer of data with described network center.
Described node, after completing this data transfer task, upgrades and wakes authentication code up, and restart for the described counter waking authentication code up.
Below in conjunction with accompanying drawing, embodiments of the invention four are described.
Embodiments provide a kind of specific embodiments of radio wakeup circuit, as shown in Figure 7, telecommunication circuit comprises CC1000 radio frequency chip and amplifier; Electric power management circuit comprises MSP430 microcontroller and CC2420 radio frequency chip.Electric power management circuit is connected with the current supply circuit of main circuit by CC2420 radio frequency chip, controls the opening and closing of current supply circuit.
The embodiment provides a kind of radio wakeup method and wake-up circuit, node judges WBAN network traffic types, described node is according to described WBAN network traffic types, start the flow process of waking node corresponding to described WBAN network traffic types, different arouse machine processeds is adopted to different types of service, solve the problem that wireless sensor network controls, reduce WBAN network power consumption, prolong network lifetime.
One of ordinary skill in the art will appreciate that all or part of step of above-described embodiment can use computer program flow process to realize, described computer program can be stored in a computer-readable recording medium, described computer program (as system, unit, device etc.) on corresponding hardware platform performs, when performing, step comprising embodiment of the method one or a combination set of.
Alternatively, all or part of step of above-described embodiment also can use integrated circuit to realize, and these steps can be made into integrated circuit modules one by one respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in above-described embodiment can adopt general calculation element to realize, and they can concentrate on single calculation element, also can be distributed on network that multiple calculation element forms.
Each device/functional module/functional unit in above-described embodiment using the form of software function module realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.The above-mentioned computer read/write memory medium mentioned can be read-only memory, disk or CD etc.
Anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range described in claim.
Claims (10)
1. a radio wakeup method, is characterized in that, comprising:
Node judges radio wakeup circuit (WBAN) network traffic types;
Described node, according to described WBAN network traffic types, starts the flow process of waking node corresponding to described WBAN network traffic types.
2. radio wakeup method according to claim 1, is characterized in that, described WBAN network traffic types comprises:
The general business type not having tight timing requirements produced in the normal state, initiated by network center, require that certain sensor node transmits the demand type of service of the data of specifying to network center, and node need to central transmission in the original plan outside the urgency traffic type of emergency data business.
3. radio wakeup method according to claim 2, it is characterized in that, when described WBAN network traffic types is general business type, described node, according to described WBAN network traffic types, starts the flow process of waking node corresponding to described WBAN network traffic types and comprises:
Described node enters activated state based on awakening mode, is linked into channel and waits for the beacon of network center.
4. radio wakeup method according to claim 3, it is characterized in that, the method also comprises:
Network center sends beacon to the node being in activated state, described beacon comprises synchronously, priority, channel number and gap information.
5. radio wakeup method according to claim 2, it is characterized in that, described WBAN network traffic types be demand type of service or urgency traffic type time, described node, according to described WBAN network traffic types, starts the flow process of waking node corresponding to described WBAN network traffic types and comprises:
Described node enters dormancy;
Described node receives the wake command bag that network center sends;
Whether the authentication code that wakes up in the wake command bag that described node inspection receives wakes authentication code up with this locality of this node and mates;
Described node judge in the wake command bag received wake up authentication code and this locality of this node wake up authentication code mate time, described node starts main circuit, carries out transfer of data with described network center.
6. radio wakeup method according to claim 5, is characterized in that, after what described startup was corresponding to described WBAN network traffic types wake the step of the flow process of node up, also comprises:
Described node, after completing this data transfer task, upgrades and wakes authentication code up, and restart for the described counter waking authentication code up.
7. radio wakeup method according to claim 5, is characterized in that, described node also comprises before receiving the step of the wake command bag that network center sends:
Described network center sends described wake command bag by low-power radio frequency signal to described node, and described low-power radio frequency signal is in ISM band and uses and wakes authentication code WAC technology up.
8. a radio wakeup circuit, is characterized in that, comprises telecommunication circuit and electric power management circuit, and described telecommunication circuit and electric power management circuit are all connected with the CPU of node;
Described telecommunication circuit is connected with the network center of WBAN;
Described electric power management circuit is connected with the current supply circuit of main circuit, accepts the control of described CPU, for described main circuit is powered.
9. radio wakeup circuit according to claim 8, is characterized in that,
Described telecommunication circuit is receiving wake command bag that network center sends and is being forwarded to CPU, CPU confirm in the wake command bag that receives wake up authentication code and this locality wake up authentication code mate time, to described electric power management circuit transmission closure signal;
The described electric power management circuit loop that described in closed pair, main circuit is powered after receiving described closure signal.
10. radio wakeup circuit according to claim 9, is characterized in that,
Described network center sends wake command bag by low-power radio frequency signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474378.0A CN104581894A (en) | 2013-10-11 | 2013-10-11 | Radio awakening method and radio awakening circuit |
| PCT/CN2014/075556 WO2014176979A1 (en) | 2013-10-11 | 2014-04-17 | Radio wakeup method and radio wakeup circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474378.0A CN104581894A (en) | 2013-10-11 | 2013-10-11 | Radio awakening method and radio awakening circuit |
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| CN104581894A true CN104581894A (en) | 2015-04-29 |
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| CN201310474378.0A Withdrawn CN104581894A (en) | 2013-10-11 | 2013-10-11 | Radio awakening method and radio awakening circuit |
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| CN (1) | CN104581894A (en) |
| WO (1) | WO2014176979A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105046292A (en) * | 2015-06-11 | 2015-11-11 | 中国东方电气集团有限公司 | Energy consumption control method for electronic paper passive tag |
| CN109690574A (en) * | 2016-08-11 | 2019-04-26 | 电信科学技术研究院有限公司 | Method and apparatus for the access of code-on-demand migration equipment |
| CN110167115A (en) * | 2019-05-20 | 2019-08-23 | 河南科技大学 | Wireless body area network MAC protocol, communication means and system based on wake-up mechanism |
| WO2020147686A1 (en) * | 2019-01-18 | 2020-07-23 | 中兴通讯股份有限公司 | Method and device for sending and receiving wake up signal, and electronic device |
| CN115278837A (en) * | 2019-03-29 | 2022-11-01 | 中兴通讯股份有限公司 | Method, device and storage medium for waking up terminal |
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| US10492139B2 (en) | 2016-08-31 | 2019-11-26 | Futurewei Technologies, Inc. | System and method for secure and quick wake up of a station |
| EP3639574B1 (en) * | 2017-06-15 | 2022-08-03 | Panasonic Intellectual Property Corporation of America | Communication apparatus and method for secure low power transmission |
| EP4080945A1 (en) | 2017-06-15 | 2022-10-26 | Panasonic Intellectual Property Corporation of America | Communication apparatus and method for secure low power transmission |
| CN112367699B (en) * | 2020-12-08 | 2024-06-28 | 北京必创科技股份有限公司 | Wireless sensor system |
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| CN105046292A (en) * | 2015-06-11 | 2015-11-11 | 中国东方电气集团有限公司 | Energy consumption control method for electronic paper passive tag |
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| CN111465086A (en) * | 2019-01-18 | 2020-07-28 | 中兴通讯股份有限公司 | Method and device for sending and receiving wake-up signal and electronic device |
| CN111465086B (en) * | 2019-01-18 | 2022-11-29 | 中兴通讯股份有限公司 | Method and device for sending and receiving wake-up signal and electronic device |
| US12047877B2 (en) | 2019-01-18 | 2024-07-23 | Zte Corporation | Method and device for sending and receiving wake up signal, and electronic device |
| CN115278837A (en) * | 2019-03-29 | 2022-11-01 | 中兴通讯股份有限公司 | Method, device and storage medium for waking up terminal |
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| CN110167115A (en) * | 2019-05-20 | 2019-08-23 | 河南科技大学 | Wireless body area network MAC protocol, communication means and system based on wake-up mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014176979A1 (en) | 2014-11-06 |
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