CN101977429A - Micropower wireless communication network system and implementing method thereof - Google Patents
Micropower wireless communication network system and implementing method thereof Download PDFInfo
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- CN101977429A CN101977429A CN2010105374169A CN201010537416A CN101977429A CN 101977429 A CN101977429 A CN 101977429A CN 2010105374169 A CN2010105374169 A CN 2010105374169A CN 201010537416 A CN201010537416 A CN 201010537416A CN 101977429 A CN101977429 A CN 101977429A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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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
Abstract
The invention discloses a micropower wireless communication network system and an implementing method thereof. The micropower wireless communication network system comprises at least one micropower wireless network terminal equipment WED, at least one micropower wireless network access point equipment WAP and one network master monitor management terminal LMS_PC. The invention has large network node capacity, is provided with a network redundancy function, obviously lowers the power consumption of battery power supply equipment, and enables the service life of a battery in communication node equipment to reach over 1-2 years.
Description
Technical field
The present invention relates to a kind of cordless communication network technology, especially a kind of micro power consumption wireless communications network system and its implementation.
Background technology
Cordless communication network technology especially micro power consumption wireless communication network technology is the important foundation of construction networking, in Internet of things system, because a large amount of communication nodes do not possess wiring condition, must use powered battery, thereby the energy consumption that how effectively to reduce in the communication has just become extremely important problem in the Internet of Things communication system.In modern thing connection, most of node device mode of operations all are the discontinuous types of burst type, thereby the power consumption when how to reduce each burst communication, become an important topic that solves the communication node power problems.
Existing wireless communication technology comprises the product that adopts ZigBee agreement or Bluetooth, though be also referred to as little power consumption or low-power consumption product, actual power loss is still bigger, and when adopting powered battery, its battery life generally has only several weeks to some months.
Simultaneously, modern Internet of Things needs the network communications technology to support the large-scale network-estabilishing ability, and promptly network must have the ability to hold a large amount of access nodes, and prior art can't satisfy the requirement of large scale network operation.
In addition, because the Internet of Things network size is big, node is numerous, and this just needs network to have fault-tolerant and self-repairing capability, and good trouble diagnosibility.
Summary of the invention
The invention provides system and its implementation of a kind of micro power consumption wireless communication network, the power consumption that exists with solution existing wireless communications network system is big, the network node capacity is little, and the problem of network fault tolerance, self-regeneration and trouble diagnosibility difference can be widely used in the various modern Internet of things system.
For solving the problems of the technologies described above, this programme at first provides a kind of micro power consumption wireless communications network system, described micro power consumption wireless communications network system comprises at least one micro power consumption wireless network-termination device WED, at least one micro power consumption wireless network insertion point device WAP and a network master monitoring management terminal LMS_PC, wherein:
Described micro power consumption wireless network insertion point device WAP is communicated by cable network and network master monitoring management terminal LMS_PC by its inner wired network communication module, and create the micro power consumption wireless communication network by its inner WAP micro power consumption wireless network communication module, and communicate by micro power consumption wireless communication network and micro power consumption wireless network-termination device WED;
Described micro power consumption wireless network-termination device WED is communicated by micro power consumption wireless communication network and micro power consumption wireless network insertion point device WAP by its inner WED micro power consumption wireless network communication module.
Micro power consumption wireless communications network system of the present invention, wherein, described micro power consumption wireless communications network system also can include at least one micro power consumption wireless network bridging equipment WNB, be used for the expansion of micro power consumption wireless communication distance, described micro power consumption wireless network bridging equipment WNB is communicated by other micro power consumption wireless network bridging equipment WNB in micro power consumption wireless communication network and micro power consumption wireless network insertion point device WAP or the micro power consumption wireless communications network system by its inner WNB micro power consumption wireless network communication module; Described on the other hand micro power consumption wireless network bridging equipment WNB is communicated by micro power consumption wireless communication network and micro power consumption wireless network-termination device WED by its inner WNB micro power consumption wireless network communication module.
Described micro power consumption wireless network insertion point device WAP comprises: WAP MCU module, WAP wired network communication module, WAP non-volatile memory module, WAP micro power consumption wireless network communication module;
Wherein, WAP MCU module is used for data processing; WAP wired network communication module links to each other with WAP MCU module, is used for communicating with network master monitoring management terminal LMS_PC, and the data that network master monitoring management terminal LMS_PC sends are met at WAP MCU processing; The WAP non-volatile memory module links to each other with WAP MCU module, is used to handle the storage of back data; WAP micro power consumption wireless network communication module links to each other with WAP MCU module, is used for communicating with the miscellaneous equipment of micro power consumption wireless communications network system, and the data that the miscellaneous equipment in the micro power consumption wireless communications network system sends are met at WAP MCU processing.
Described micro power consumption wireless network-termination device WED comprises: WED MCU module, WED micro power consumption wireless network communication module, WED non-volatile memory module, WED input/output module;
Wherein, WED MCU module is used for data processing; WED micro power consumption wireless network communication module links to each other with WED MCU module, is used for communicating with the miscellaneous equipment of micro power consumption wireless communications network system, and the data that the miscellaneous equipment in the micro power consumption wireless communications network system sends are met at WED MCU processing; The WED non-volatile memory module links to each other with WED MCU module, is used to handle the storage of back data; The WED input/output module links to each other with WED MCU module, is used for the input detection of presence states signal and the output control of field control signal.
Described micro power consumption wireless network bridging equipment WNB comprises: WNB MCU module, WNB micro power consumption wireless network communication module, WNB non-volatile memory module;
Wherein, WNB MCU module is used for data processing; WNB micro power consumption wireless network communication module links to each other with WNB MCU module, is used for communicating with the miscellaneous equipment of micro power consumption wireless communications network system, and the data that the miscellaneous equipment in the micro power consumption wireless communications network system sends are met at WNB MCU processing; The WNB non-volatile memory module links to each other with WNB MCU module, is used to handle the storage of back data.
The present invention also provides a kind of automatic network-building implementation method of micro power consumption wireless communications network system, wireless network is created by micro power consumption wireless network insertion point device WAP, all WAP equipment or WNB equipment near WNB equipment and WED equipment can be searched for, contrast the strong and weak situation of wireless signal of each WAP equipment or WNB equipment, with the strongest equipment of signal principle of optimality automatic selecting signal as parent device.
Automatic network-building implementation method of the present invention, wherein, described method comprises the steps:
(1) described micro power consumption wireless network insertion point device WAP carries out communication by cable network and described network master monitoring management terminal LMS_PC; And detect idle channel automatically, create the micro power consumption wireless communication network; But and by this micro power consumption wireless network and micro power consumption wireless network-termination device WED, and the micro power consumption wireless network bridging equipment WNB of expanding communication distance communicate by letter, and accept the micro power consumption wireless communication network that these equipment add its establishment;
(2) described micro power consumption wireless network bridging equipment WNB, automatically near the micro power consumption wireless communication network searching for, and detect each micro power consumption wireless network insertion point device WAP and micro power consumption wireless network bridging equipment WNB signal strength signal intensity in the micro power consumption wireless network searched, automatically be linked into the strongest WAP of signal or WNB, and this WAP or the WNB parent device as oneself;
(3) described micro power consumption wireless network bridging equipment WNB after being linked into a certain WAP or WNB, communicates by letter with other WED, WNB by the micro power consumption wireless network, and accepts the adding application of these equipment, receives its subset as oneself;
(4) described micro power consumption wireless network-termination device WED, automatically near the micro power consumption wireless communication network searching for, and detect each micro power consumption wireless network insertion point device WAP and micro power consumption wireless network bridging equipment WNB signal strength signal intensity in the micro power consumption wireless network searched, automatically be linked into the strongest WAP of signal or WNB, and this WAP or the WNB parent device as oneself;
(5) described micro power consumption wireless network-termination device WED, after being linked into a certain WAP or WNB, entering resting state, and wake up automatically at once every the regular hour, carry out the on-line communication one or many with its parent device, reenter resting state after finishing at once;
(6) after the normal operation of micro power consumption wireless network, if wherein certain several micro power consumption wireless network insertion point device WAP or micro power consumption wireless network bridging equipment WNB break down, so with its WNB equipment or WED equipment as parent device, will search for other WAP or WNB again, contrast the strong and weak situation of wireless signal of each WAP equipment or WNB equipment, as parent device, whole micro power consumption wireless network has redundancy feature with the strongest other WAP equipment of signal principle of optimality automatic selecting signal or WNB equipment.
Further, the present invention also provides the communication data transfer approach of micro power consumption wireless communications network system, wherein, communication data between the network routing table that all has a real-time update among network master monitoring management terminal LMS_PC, micro power consumption wireless network insertion point device WAP and the micro power consumption wireless network bridging equipment WNB, two equipment can carry out the route indirect transfer by miscellaneous equipment.
Communication data transfer approach of the present invention, wherein, described method comprises the steps:
The downlink data transmission step, promptly LMS_PC sends to a certain wireless device with data:
(A1) LMS_PC is by the routing table in the Query Database,, next that find out destination address jumped WAP address, and data are sent to this WAP by cable network;
(A2) after WAP receives data,, find out next jumping WNB address of destination address, forward the data to this WNB by routing table in it and corresponding method for routing;
(A3) after WNB receives data,, find out next jumping WNB address of destination address, forward the data to next WNB by inquiring about its inner routing table;
(A4) repeating (A3) step, is online equipment as target device, up to being sent to target device, is dormancy equipment as target device so just, so just up to the parent device that is sent to target device;
(A5) be dormancy equipment as target device, the parent device of target device is preserved earlier after receiving data so, waits for that target device is online with it;
(A6) after the target device timing wake-up, carry out onlinely with its parent device, its parent device just sends to this target device to data;
The upstream data transmission step, promptly a certain wireless device sends to LMS_PC with data:
(B1) this wireless device sends the data to its parent device.
(B2) be WAP as parent device, this WAP just directly sends to LMS_PC to data so.As parent device is WNB, so just by its inner routing table of inquiry, finds out next jumping WNB address of destination address, forwards the data to this WNB;
(B3) repeat (B2) step,, by this WAP data are sent to LMS_PC again up to finally data being sent to WAP.
Further, in the step (A6), after described target device and parent device are online, the communication data that does not have this target device as parent device, so just send the free of data transferring command to target device, as parent device the communication data of this target device is arranged, just data are sent to this target device, after not having data, send the free of data transferring command more at once; Target device just enters resting state after receiving the free of data transferring command at once.
The invention has the beneficial effects as follows:
The invention provides a kind of low-consumption wireless communications network system and its implementation, its network node capacity is big, have the network redundancy function, and reduced the power consumption of battery supply set significantly, the battery life of communication node equipment is reached more than the 1-2.
Description of drawings
Fig. 1 is the theory diagram of network system embodiment of the present invention.
Fig. 2 is the theory diagram of wireless network access point equipment WAP of the present invention.
Fig. 3 is the theory diagram of micro power consumption wireless network-termination device WED of the present invention.
Fig. 4 is the theory diagram of wireless network bridging device WNB of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1, be the theory diagram of system embodiment of the present invention, in described micro power consumption wireless network system, comprise four kinds of equipment, two kinds of networks.
Equipment:
(1) supervisory computer that management software is installed, network master monitoring management terminal LMS_PC
(2) wireless network access point equipment is example with two, is respectively WAP11, WAP21
(3) the wireless network bridging device is an example with four, is respectively WNB12, WNB13, WNB22, WNB23
(4) wireless network terminal equipment is example with three, is respectively WED01, WED02, WED03
During actual the use, can dispose up to ten thousand as above equipment.
Network:
(1) wireline communication network between wireless network access point equipment WAP and the network master monitoring management terminal LMS_PC can be a general network at present such as Ethernet, RS485, CAN.Application at present is relatively more extensive, networking is to use Ethernet eaily.
(2) the micro power consumption wireless network that communicates between wireless network access point equipment WAP, wireless network bridging device WNB, the wireless network terminal equipment WED.
The network construction step:
Step 101: network master monitoring management terminal LMS_PC operation, the adding application of each equipment below the monitoring on cable network.
Step 102: wireless network access point equipment WAP11, WAP21 operation, the main monitoring management terminal LMS_PC of search on cable network, and the micro power consumption wireless network is created in application.
Step 103: after network master monitoring management terminal LMS_PC receives the application of WAP11, WAP21, according to its wireless network situation that has existed, license to the corresponding wireless network groups of frequency bands of WAP11, WAP21 respectively, and allow it to create the micro power consumption wireless network.Create a routing table simultaneously, describe the corresponding address of WAP11, WAP21.
Step 104: after wireless network access point equipment WAP11, WAP21 received network master monitoring management terminal LMS_PC authorization command, the wireless network groups of frequency bands that search is distributed was at idle frequency range establishment micro power consumption wireless network separately.
Step 105: wireless network bridging device WNB12, WNB13, WNB22, WNB23 operation, whether search exists wireless network.
Step 106: wireless network access point equipment WAP11, WAP21 are receiving each equipment WNB12, WNB13, WNB22, WNB23, after the web search order, send the search acknowledgement command to each equipment.
Step 107: after wireless network bridging device WNB12, WNB13, WNB22, WNB23 receive the search acknowledgement command of WAP11, WAP21, the WAP11 that relatively receives, WAP21 signal strength signal intensity, the parent device of the conduct oneself that the selection signal is the strongest.Here WNB12 selects WAP11 as parent device, and WNB22 selects WAP21 as parent device, and WNB13, WNB23 do not search network.WNB12 sends out application to WAP11 and adds order, and WNB22 sends out application to WAP21 and adds order.And WNB13, WNB13 continue search network.
Step 108:WAP11, WAP21 send and allow to add order to WNB12, WNB22 after the application that receives separately WNB12, WNB22 adds order.And transmission has new equipment to add order to network master monitoring management terminal LMS_PC.Simultaneously, WAP11 upgrades routing table, describes the next hop address of WNB12; WAP21 upgrades routing table, describes the next hop address of WNB22; WAP11, WAP21 send to LMS_PC to the routing table information of upgrading simultaneously.
Step 109:WNB12, WNB22 just enter network connection status after receiving and allowing to add order, monitor the present networks communications status, and WNB12 timing and WAP11, and WNB22 regularly carries out on-line communication with WAP21.
Step 110: enter network after the connection status at WNB12, WNB22, listen to the search command of WNB13, WNB23 search network, arrive the similar step of step 109 with step 105, WNB13 selects WNB12 to select WNB22 to join in the micro power consumption wireless network as parent device as parent device, WNB23.Simultaneously, WAP11 upgrades routing table, describes the next hop address of WNB13; WAP21 upgrades routing table, describes the next hop address of WNB23; WNB12 upgrades routing table, describes the next hop address of WNB13; WNB22 upgrades routing table, describes the next hop address of WNB23.WAP11, WAP21 send to LMS_PC to the routing table information of upgrading simultaneously.
Step 111:WED01, WED02, WED03 operation, arrive the similar step of step 109 with step 105, WED01 selects WAP11 to select WNB22 to select WNB13 as parent device as parent device, WED03 as parent device, WED02, joins the micro power consumption wireless network.Each node device upgrades the routing table of oneself simultaneously, and by WAP the routing table information of upgrading is sent to LMS_PC.But this moment, WED equipment just entered into resting state, did not monitor the present networks communications status at once, just regularly with its parent device on-line communication once, perhaps event occurs communicates by letter with parent device in the back.So far, network environment is created successfully substantially.
The redundant processing:
If the WAP11 cisco unity malfunction, WNB12, WED01 search network is again so selected WAP21 or the WNB22 parent device as oneself with nearby principle (selecting the strongest equipment of signal strength signal intensity).WNB12 with the subset state constant.Simultaneously, WAP21 or WNB22 can upgrade routing table information, and can send to LMS_PC to the routing table information of upgrading.
Equally, if the WNB12 cisco unity malfunction, WNB13 search network is again so selected WNB22 or the WNB23 parent device as oneself with nearby principle (selecting the strongest equipment of signal strength signal intensity).WNB13 with the subset state constant.Simultaneously, WNB22 or WNB23 can upgrade routing table information, and can send to LMS_PC to the routing table information of upgrading.
The application data transmitting step:
(1) network master monitoring management terminal LMS_PC is to the transmission direction of each equipment
A, with LMS_PC to being that WNB13 is an example
Routing table in the step 201:LMS_PC Query Database sends to WAP11 to data earlier by cable network.
After step 202:WAP11 received data, the routing table in the Query Database sent to WNB12 to data by wireless network.
After step 203:WNB12 received data, the routing table in the Query Database sent to WNB13 to data by wireless network.
After step 204:WNB13 receives data, learn it is the data that send to oneself, carry out, and the command execution situation is returned to parent device WNB12.
After step 205:WNB12 received data, the routing table in the Query Database sent to WAP11 to command execution situation data by wireless network.
After step 206:WAP11 received data, the routing table in the Query Database sent to LMS_PC to command execution situation data by cable network.
B, be example to WED03 with LMS_PC
Routing table in the step 301:LMS_PC Query Database sends to WAP11 to data earlier by cable network.
After step 302:WAP11 received data, the routing table in the Query Database sent to WNB12 to data by wireless network.
After step 303:WNB12 received data, the routing table in the Query Database sent to WNB13 to data by wireless network.
After step 304:WNB13 receives data, learn it is the data that send to own subset, and this subset is to be in resting state,, waits for that WED03 wakes up automatically just metadata cache.
It is online with parent device WNB13 that step 305:WED03 wakes the back up, and WNB13 just sends to WED03 to data.
After step 306:WED03 receives data, learn it is the data that send to oneself, carry out, and the command execution situation is returned to parent device WNB13.
After step 307:WNB13 received data, the routing table in the Query Database sent to WNB12 to command execution situation data by wireless network.
After step 308:WNB12 received data, the routing table in the Query Database sent to WAP11 to command execution situation data by wireless network.
After step 309:WAP11 received data, the host address in the Query Database sent to LMS_PC to command execution situation data by cable network.
(2) each equipment is to the transmission direction of network master monitoring management terminal LMS_PC
Is example with WED03 to LMS_PC
Step 401:WED01 sends to its parent device WNB13 to data after event occurs, as not sending success, just data is preserved in the nonvolatile memory of oneself at once.
After step 402:WNB13 received data, the routing table in the Query Database sent to WNB12 to data by wireless network.
After step 403:WNB12 received data, the routing table in the Query Database sent to WAP11 to data by wireless network.
After step 404:WAP11 received data, the host address in the Query Database sent to LMS_PC to data by cable network.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Scheme of the present invention is not restricted to listed application in specification and the execution mode.Concerning the technology of the present invention those of ordinary skill in the field, can make various corresponding changes and distortion according to the present invention, and all these corresponding changes and distortion all belong to the protection range of claim of the present invention.
Claims (10)
1. micro power consumption wireless communications network system, it is characterized in that, described micro power consumption wireless communications network system comprises at least one micro power consumption wireless network-termination device WED, at least one micro power consumption wireless network insertion point device WAP and a network master monitoring management terminal LMS_PC, wherein:
Described micro power consumption wireless network insertion point device WAP is communicated by cable network and network master monitoring management terminal LMS_PC by its inner wired network communication module, and create the micro power consumption wireless communication network by its inner WAP micro power consumption wireless network communication module, and communicate by micro power consumption wireless communication network and micro power consumption wireless network-termination device WED;
Described micro power consumption wireless network-termination device WED is communicated by micro power consumption wireless communication network and micro power consumption wireless network insertion point device WAP by its inner WED micro power consumption wireless network communication module.
2. micro power consumption wireless communications network system according to claim 1, it is characterized in that, described micro power consumption wireless communications network system also can include at least one micro power consumption wireless network bridging equipment WNB, be used for the expansion of micro power consumption wireless communication distance, described micro power consumption wireless network bridging equipment WNB is communicated by other micro power consumption wireless network bridging equipment WNB in micro power consumption wireless communication network and micro power consumption wireless network insertion point device WAP or the micro power consumption wireless communications network system by its inner WNB micro power consumption wireless network communication module; Described on the other hand micro power consumption wireless network bridging equipment WNB is communicated by micro power consumption wireless communication network and micro power consumption wireless network-termination device WED by its inner WNB micro power consumption wireless network communication module.
3. micro power consumption wireless communications network system according to claim 1, it is characterized in that described micro power consumption wireless network insertion point device WAP comprises: WAP MCU module, WAP wired network communication module, WAP non-volatile memory module, WAP micro power consumption wireless network communication module;
Wherein, WAP MCU module is used for data processing; WAP wired network communication module links to each other with WAP MCU module, is used for communicating with network master monitoring management terminal LMS_PC, and the data that network master monitoring management terminal LMS_PC sends are met at WAP MCU processing; The WAP non-volatile memory module links to each other with WAP MCU module, is used to handle the storage of back data; WAP micro power consumption wireless network communication module links to each other with WAP MCU module, is used for communicating with the miscellaneous equipment of micro power consumption wireless communications network system, and the data that the miscellaneous equipment in the micro power consumption wireless communications network system sends are met at WAP MCU processing.
4. micro power consumption wireless communications network system according to claim 1, it is characterized in that described micro power consumption wireless network-termination device WED comprises: WED MCU module, WED micro power consumption wireless network communication module, WED non-volatile memory module, WED input/output module;
Wherein, WED MCU module is used for data processing; WED micro power consumption wireless network communication module links to each other with WED MCU module, is used for communicating with the miscellaneous equipment of micro power consumption wireless communications network system, and the data that the miscellaneous equipment in the micro power consumption wireless communications network system sends are met at WED MCU processing; The WED non-volatile memory module links to each other with WED MCU module, is used to handle the storage of back data; The WED input/output module links to each other with WED MCU module, is used for the input detection of presence states signal and the output control of field control signal.
5. micro power consumption wireless communications network system according to claim 2 is characterized in that, described micro power consumption wireless network bridging equipment WNB comprises: WNB MCU module, WNB micro power consumption wireless network communication module, WNB non-volatile memory module;
Wherein, WNB MCU module is used for data processing; WNB micro power consumption wireless network communication module links to each other with WNB MCU module, is used for communicating with the miscellaneous equipment of micro power consumption wireless communications network system, and the data that the miscellaneous equipment in the micro power consumption wireless communications network system sends are met at WNB MCU processing; The WNB non-volatile memory module links to each other with WNB MCU module, is used to handle the storage of back data.
6. the automatic network-building implementation method of a micro power consumption wireless communications network system, it is characterized in that wireless network created by micro power consumption wireless network insertion point device WAP, all WAP equipment or WNB equipment near WNB equipment and WED equipment can be searched for, contrast the strong and weak situation of wireless signal of each WAP equipment or WNB equipment, with the strongest equipment of signal principle of optimality automatic selecting signal as parent device.
7. automatic network-building implementation method according to claim 6 is characterized in that this method comprises the steps:
(1) described micro power consumption wireless network insertion point device WAP carries out communication by cable network and described network master monitoring management terminal LMS_PC; And detect idle channel automatically, create the micro power consumption wireless communication network; But and by this micro power consumption wireless network and micro power consumption wireless network-termination device WED, and the micro power consumption wireless network bridging equipment WNB of expanding communication distance communicate by letter, and accept the micro power consumption wireless communication network that these equipment add its establishment;
(2) described micro power consumption wireless network bridging equipment WNB, automatically near the micro power consumption wireless communication network searching for, and detect each micro power consumption wireless network insertion point device WAP and micro power consumption wireless network bridging equipment WNB signal strength signal intensity in the micro power consumption wireless network searched, automatically be linked into the strongest WAP of signal or WNB, and this WAP or the WNB parent device as oneself;
(3) described micro power consumption wireless network bridging equipment WNB after being linked into a certain WAP or WNB, communicates by letter with other WED, WNB by the micro power consumption wireless network, and accepts the adding application of these equipment, receives its subset as oneself;
(4) described micro power consumption wireless network-termination device WED, automatically near the micro power consumption wireless communication network searching for, and detect each micro power consumption wireless network insertion point device WAP and micro power consumption wireless network bridging equipment WNB signal strength signal intensity in the micro power consumption wireless network searched, automatically be linked into the strongest WAP of signal or WNB, and this WAP or the WNB parent device as oneself;
(5) described micro power consumption wireless network-termination device WED, after being linked into a certain WAP or WNB, entering resting state, and wake up automatically at once every the regular hour, carry out the on-line communication one or many with its parent device, reenter resting state after finishing at once;
(6) after the normal operation of micro power consumption wireless network, if wherein certain several micro power consumption wireless network insertion point device WAP or micro power consumption wireless network bridging equipment WNB break down, so with its WNB equipment or WED equipment as parent device, will search for other WAP or WNB again, contrast the strong and weak situation of wireless signal of each WAP equipment or WNB equipment, as parent device, whole micro power consumption wireless network has redundancy feature with the strongest other WAP equipment of signal principle of optimality automatic selecting signal or WNB equipment.
8. the communication data transfer approach of a micro power consumption wireless communications network system, it is characterized in that all having among network master monitoring management terminal LMS_PC, micro power consumption wireless network insertion point device WAP and the micro power consumption wireless network bridging equipment WNB network routing table of a real-time update, the communication data between two equipment can carry out the route indirect transfer by miscellaneous equipment.
9. communication data transfer approach according to claim 8 is characterized in that this method comprises the steps:
The downlink data transmission step, promptly LMS_PC sends to a certain wireless device with data:
(A1) LMS_PC is by the routing table in the Query Database,, next that find out destination address jumped WAP address, and data are sent to this WAP by cable network;
(A2) after WAP receives data,, find out next jumping WNB address of destination address, forward the data to this WNB by routing table in it and corresponding method for routing;
(A3) after WNB receives data,, find out next jumping WNB address of destination address, forward the data to next WNB by inquiring about its inner routing table;
(A4) repeating (A3) step, is online equipment as target device, up to being sent to target device, is dormancy equipment as target device so just, so just up to the parent device that is sent to target device;
(A5) be dormancy equipment as target device, the parent device of target device is preserved earlier after receiving data so, waits for that target device is online with it;
(A6) after the target device timing wake-up, carry out onlinely with its parent device, its parent device just sends to this target device to data;
The upstream data transmission step, promptly a certain wireless device sends to LMS_PC with data:
(B1) this wireless device sends the data to its parent device;
(B2) be WAP as parent device, this WAP just directly sends to LMS_PC to data so;
As parent device is WNB, so just by its inner routing table of inquiry, finds out next jumping WNB address of destination address, forwards the data to this WNB;
(B3) repeat (B2) step,, by this WAP data are sent to LMS_PC again up to finally data being sent to WAP.
10. communication data transfer approach according to claim 9, it is characterized in that in the step (A6), after described target device and parent device are online, the communication data that does not have this target device as parent device, so just send the free of data transferring command to target device, as parent device the communication data of this target device is arranged, just data are sent to this target device, after not having data, send the free of data transferring command more at once; Target device just enters resting state after receiving the free of data transferring command at once.
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