CN102984657A - Team exploration auxiliary communication and management method based on wireless sensor network - Google Patents
Team exploration auxiliary communication and management method based on wireless sensor network Download PDFInfo
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Abstract
The invention discloses a team exploration auxiliary communication and management method based on a wireless sensor network. A plurality of unpredictable losses of individuals, teams and even the whole society can be occurred caused by the fact that various extreme climates and bad natural environments are inevitable in team exploration. The method is a feasible scheme for exploring and solving communication and management in the team exploration. Based on the WSN (Wireless Sensor Network) technology, the method applies a ZigBee network to realize transmission of voice short messages in the team, and provides high-efficiency and energy-conservation positioning service through analyzing relative position information among general member nodes, enhanced member nodes and team leader nodes and assisting by GPS (Global Positioning System) positioning information which is provided by anchor nodes after the nodes and the information are synthetically processed. Under various extreme environments of existing systems incapable of working effectively, the method can reduce risk, avoids possible accidents, and improves the success rate of processing abnormal accidents.
Description
Technical field
The present invention is based on the application scheme of wireless sensor network (Wireless Sensor Networks:WSN) technology aspect team's exploration, this scheme provides a kind of important solution for the instant messaging that exists in the exploration of solution team is difficult to security problem, belongs to the technology of Internet of things field.
Background technology
Therefore team's exploration ensures that often in the face of the challenge from various extreme environments communication is smooth and easy reliably significant with management in team's exploration.But owing to can't ensure its reliability and even availability in various extreme environment traditional communication schemes, so can't reduce the abominable risk of bringing of external environment condition.Find that via investigation mainly there is following problem in existing team exploration communication plan:
(1) depend on global positioning system (Global Positioning System:GPS) unduly and position identification, the extreme weather conditions such as heavy rain, dense fog, heavy snow or rainforest, solution cavity, paralyse or the semiparalysis state under the inferior extreme natural environment;
(2) owing to the dependence to global system for mobile communications (Global System for Mobile Communications:GSM), can't carry out efficient communication in the scope that the GSM network can't cover;
(3) owing to use the intercommunication technology of single-hop, communication distance is limited obviously between team, as runs into the extreme environment communication distance such as solution cavity and can further reduce;
(4) the technology energy consumptions such as GSM, GPS of using in the existing scheme are higher, and in the situation that can't obtain alternating current, the life span of system is very limited;
(5) existing scheme is installed to GPS on all terminal equipments, and situation about can't use such as GPS such as wartime then can't work, and can't simply switch to replacement scheme, and the use of simultaneously a large amount of GPS chips also causes the cost of system significantly to promote;
(6) existing system can't effectively realize being sent to Team Member by the leader of team the communication mode of this class one-to-many of broadcast message;
This programme intends adopting wireless sensor network technology and GPS technology to be incorporated into Serial Communication and orientation management.Wherein, the WSN structure generally includes plain edition member node, enhancement mode member node, anchor node and via node.The restriction that the use of WSN technology can effectively avoid climate change (restriction of extreme weathers such as heavy rain, dense fog, heavy snow), energy consumption problem and single-hop transmission distance to bring, network itself can consist of dynamic network by Ad hoc mode, has stronger robustness.Because only use the GPS technology at anchor node, the node size that the member carries and weight will reduce greatly than existing scheme, easier deployment, maintenance.Each node apokoinou construction comprises chip processing and wireless communication module and energy supply module, and collection, message form conversion and signal that the phonetic entry output module is responsible for voice messaging amplify; Processor module is responsible for the operation of whole node, the data that storage, deal with data and other nodes are sent; Wireless communication module is responsible for carrying out radio communication with other nodes, and exchange control message and transmitting-receiving gather message; The energy supply module provides needed energy for operating sensor, usually adopts lithium battery, can be aided with solar cell.Scheme is used IEEE 802.15.4 agreement, i.e. Zigbee, and this is a kind of short-distance wireless communication technology with uniform technical standards, low-power consumption, low cost, low rate, prolongs in short-term, is operated in
, the communications band of the wireless communication module in the scheme is
, maximum networking capability is 65000 nodes, and low energy consumption.Node for this programme design can make the node life span significantly improve, and then the maximization network life-span, fully satisfies the related needs that team explores.
Summary of the invention
Technical problem:The purpose of this invention is to provide a kind of team's exploration subsidiary communications and management method based on wireless sensor network, with solving some practical problems that exist in team's exploration, by this programme communication and the regulatory requirement that may relate in team's exploration are planned as a whole to optimize, in the situation of resource-constrained (battery electric quantity, single-hop communication distance etc.), realize the establishment of reliable communication network, and prolong as far as possible the available communication time of system.Simultaneously, the cost of system is reduced, and further
Reduced the impact of the natural environments such as climate change on device performance.
Technical scheme:The present invention is some problems that exist in exploring with solving team, by introducing the WSN correlation technique, the deficiency of existing system is improved, on the one hand by the reliable communication of Ad hoc technical guarantee under harsh weather and environment of WSN technology; Characteristic by the low-power consumption of WSN technology prolongs the life cycle of communication system greatly on the other hand.Thereby provide reliable, the efficient team's exploration subsidiary communications of a cover and management method.This programme carries out team's voice SMS communication and locating information communication based on wireless sensor network technology by the ZigBee wireless communication technology, and monitoring Team Member positional information is prevented contingent risk.System forms sees Fig. 1.
The several definition of given first:
Voice SMS:Wall scroll was used for asynchronous communication with interior voice messaging in 60 seconds.Different from continuous speech conversation and character message information, voice SMS can be realized transmitting effectively fast of information under lower resource utilization.
The plain edition member node:The plain edition member node comprises following module: power module, phonetic entry output module, chip are processed and wireless communication module.ZigBee-network itself can consist of network by Ad hoc mode, and the communication chip disposal ability of this programme is strong, low in energy consumption, is easy to man-machine interaction.Communication is realized by the multi-hop communication between member node between team, need to be by external base station equipment.This is one of difference of the present invention and existing system.Plain edition member node structure is seen Fig. 2.
The enhancement mode member node:Enhancement mode member node and the identical (see figure 2) of plain edition member node structure on hardware, but have the authority of broadcast message, held by the leader of team.
Anchor node:Mainly comprise wireless radio-frequency communication module, navigation module, voltage transformation module and power module, can use lithium battery, solar cell or active electrical source power supply.Set the cycle of transmission information in the wireless communication module, and the specific works pattern of the information of reception, anchor node is placed on the spacious zone that can receive gps signal and obtains setting base information.Broadcast setting base information by wireless radio-frequency communication module to member node and via node.The anchor node structure is seen Fig. 3.
Via node:Its major function is to collect, store, transmit the information that is sent by member node and anchor node, prolongs the coverage of communication.
Method flow:
Based on team's exploration subsidiary communications of wireless sensor network and management method the WSN technology is applied to team and explore and communicate by letter, powerful and reliable communication plan is provided, this scheme detailed process is as follows:
Step 1) is arranged on the spacious zone that can receive gps signal with anchor node, opens the anchor node power supply and makes it be in mode of operation; Provide numbered plain edition member node to all Team Members, confirm that node is working properly; The leader of team holds the enhancement mode member node, confirms that node is working properly, uses the initialization route of route selection algorithm generating network, and member node prepares to receive the setting base information that anchor node sends; In the time can receiving the triones navigation system signal, namely be in 70 °-140 ° of east longitudes, in the time of in 5 ° of-55 ° of these scopes of north latitude, anchor node positions by triones navigation system, to obtain more accurate setting base information; If in the time of can't receiving the triones navigation system signal, anchor node automatically switches to and uses the GPS technology to obtain setting base information, and beginning was to this information of whole Web broadcast after anchor node obtained setting base information;
Step 2) enter GSM and GPS blind area scope after, to the path between the team position, lay via node at anchor node on the way, confirm behind via node of every laying that via node is working properly, guarantee that the communication between member node and the anchor node is smooth and easy, some redundant via nodes are set to guarantee having one or more route to use to anchor node;
When step 3) need to contact with leader or other members of team when the Team Member that holds the plain edition node, this member be transmit leg use its member node record one section 60 seconds with interior voice SMS by sending to the recipient take node serial number as sign, when the recipient is not in transmit leg single-hop communication scope, by the multi-hop route technology of WSN technology, via a plurality of member node or via node voice SMS is sent to the recipient; Send to rear recipient's member node and successfully send feedback information from the information that the transmission of trend transmit leg comprises recipient's node serial number;
Step 4) when the team leader who holds the enhancement mode node need to when other members of team send broadcast message, can use its member node record one section 60 seconds with interior voice SMS to whole Web broadcast, when existence is in member node beyond the enhancement mode member node single-hop communication scope, by the multi-hop route technology of WSN technology, via a plurality of member node or via node voice SMS is broadcast to whole network; After member node of broadcasting speech information delivery was the recipient, this node sent the information that comprises recipient's node serial number from trend enhancement mode node and successfully sends feedback information;
Step 5) network routing iinformation immediate updating in team sport, this absolute location information of setting base information that cooperates anchor node to provide according to strong and weak this two classes relative position information of each internodal hop count and signal, obtain the comparatively accurate Absolutely orientation information of each member node, Team Member use current location that node serial number checks the characteristics member with and and own between relative position relation, the leader of team checks each member's positional information of whole team by the enhancement mode member node, thereby the generation of the phenomenon of avoiding falling behind, and with broadcast message Team Member is guided in the case of necessary, evade contingent risk.
Beneficial effect:The present invention proposes a kind of team's exploration subsidiary communications and management method based on wireless sensor network technology, this scheme has following advantage than existing system:
(1) at present domestic also not for team's exploration subsidiary communications and managerial low cost, the high-tech scheme that easily realizes, this programme has been filled up this blank, out and out some the troubling problems of running in team explores that solved have certain practice significance.
(2) architecture of this programme is simple and clear, and each module division of labor is clear and definite, and hardware is modularized design, is of value to plant maintenance and Function Extension.
(3) wireless sensor network technology of native system employing has following some benefit: the first, and with respect to GSM or single-hop intercom system, radio sensing network is disposed convenient, and device design manufacturing cost, operating cost and maintenance cost are all very low; The second, self-organizing forms network configuration, is conducive to improve the robustness of network, guarantees the reliability of communication; The 3rd, adopt Zigbee communication protocol, the characteristics of have low-power consumption, prolonging have in short-term guaranteed long call duration time.
Description of drawings
Fig. 1 is network topology structure figure, mainly is comprised of four parts such as anchor node, via node, enhancement mode member node and plain edition member node.
Fig. 2 is the block diagram of plain edition member node structure, mainly comprises power module, phonetic entry output module, chip processing and wireless communication module.
Fig. 3 is the block diagram of anchor node structure, mainly comprises wireless radio-frequency communication module, navigation module, voltage transformation module and power module.
Fig. 4 is the method flow diagram that anchor node obtains setting base information.
Fig. 5 is the flow chart that the voice SMS of WSN multi-hop route technology transmits.
Embodiment
The full implementation process of this team's exploration subsidiary communications and management method specifically describes as follows:
Step 1) is arranged on the spacious zone that can receive gps signal with anchor node, opens the anchor node power supply and makes it be in mode of operation; Provide numbered plain edition member node to all Team Members, confirm that node is working properly; The leader of team holds the enhancement mode member node, confirms that node is working properly.Use the initialization route of route selection algorithm generating network.Member node prepares to receive the setting base information that anchor node sends.Anchor node positions by triones navigation system (to be in about 70 °-140 ° of east longitude, in the time of in 5 ° of-55 ° of these scopes of north latitude) in the time can receiving the triones navigation system signal, to obtain more accurate setting base information; If in the time of can't receiving the triones navigation system signal, anchor node automatically switches to and uses the GPS technology to obtain setting base information.Beginning was seen Fig. 4 to this information of whole Web broadcast after anchor node obtained setting base information.
Step 2) enter GSM and GPS blind area scope (as rainforest, solution cavity, inferior extreme natural environment) after, to the path between the team position, lay via node at anchor node on the way, confirm behind via node of every laying that via node is working properly, guarantee that the communication between member node and the anchor node is smooth and easy.Some redundant via nodes are set to guarantee having one or more route to use to anchor node.
When step 3) need to contact with leader or other members of team when the Team Member that holds the plain edition node, this member (transmit leg) can use its member node record one section 60 seconds with interior voice SMS by sending to the recipient take node serial number as sign, when the recipient is not in transmit leg single-hop communication scope, by the multi-hop route technology of WSN technology, via a plurality of member node or via node voice SMS is sent to the recipient.Send to rear recipient's member node and successfully send feedback information from the information that the transmission of trend transmit leg comprises recipient's node serial number, see Fig. 5.
Step 4) when the team leader who holds the enhancement mode node need to when other members of team send broadcast message, can use its member node record one section 60 seconds with interior voice SMS to whole Web broadcast, when existence is in member node beyond the enhancement mode member node single-hop communication scope, by the multi-hop route technology of WSN technology, via a plurality of member node or via node voice SMS is broadcast to whole network.After a member node of broadcasting speech information delivery (recipient), this node sends the information that comprises recipient's node serial number from trend enhancement mode node and successfully sends feedback information.
Step 5) network routing iinformation immediate updating in team sport, according to this absolute location information of setting base information that strong and weak this two classes relative position information of each internodal hop count and signal cooperates anchor node to provide, can obtain the comparatively accurate Absolutely orientation information of each member node.Team Member can use current location that node serial number checks special member with and and own between relative position relation.The leader of team can check each member's positional information of whole team by the enhancement mode member node, thereby avoids the generation of phenomenon of falling behind, and with broadcast message Team Member is guided in the case of necessary, avoids contingent risk.
Take actual scene as example, above system is specifically applied in the middle of solution cavity team explores, relate to the place: solution cavity (GSM and GPS blind area); Relate to the personage: the leader of team, the rank and file 1, and the rank and file 2, and the rank and file 3.Relate to node: anchor node, via node A, via node B, enhancement mode member node, plain edition member node 1, plain edition member node 2, plain edition member node 3.See Fig. 1.Concrete steps are as follows:
Step 1) is arranged on the outer spacious zone that can receive gps signal of solution cavity with anchor node, opens the anchor node power supply and makes it be in mode of operation; Provide numbered plain edition member node to all Team Members (rank and file 1, and the rank and file 2, and the rank and file 3), confirm that node is working properly; The leader of team holds the enhancement mode member node, confirms that node is working properly.Member node prepares to receive the setting base information that anchor node sends.The team location can receive the triones navigation system signal, and anchor node positions by triones navigation system, successfully obtains setting base information, to this information of whole Web broadcast.
Step 2) after team enters solution cavity, lays via node A and via node B during advancing on the way, confirm behind via node of every laying that via node is working properly, guarantee that the communication between each node of member and the anchor node is smooth and easy, can obtain the basic point locating information.
Step 3) rank and file 1 needs to send a voice SMS to rank and file 3, use its member node record one section 60 seconds with rank and file 1 behind the interior voice SMS by take node serial number as the sign information is sent to rank and file 3, because rank and file 3 is not in rank and file's 1 single-hop communication scope, by the multi-hop route technology of WSN technology, information is sent to rank and file 3 via rank and file 2 with voice SMS.The member node of sending to rear rank and file 3 sends the information that comprises its node serial number from trend rank and file 1 and successfully sends feedback information, so but rank and file's 1 confirmation send successfully.
Step 4) solution cavity the place ahead is found to hinder, the leader of team who holds the enhancement mode node need to send broadcast message to other members of team and remind everybody to take care, plain edition member node 2 and plain edition member node 3 are in the enhancement mode member node single-hop communication scope, and information can directly be sent to; Plain edition member node 1 beyond the enhancement mode member node single-hop communication scope obtains broadcast message by the multi-hop route technology of WSN technology via plain edition member node 2.Broadcasting speech information is successfully sent to each member, and each node sends the information that comprises its node serial number from trend enhancement mode node and successfully sends feedback information, so confirmation sends successfully but team leads a group.
Step 5) team to solution cavity the place ahead deeply the way in network routing iinformation immediate updating, according to this absolute location information of setting base information that strong and weak this two classes relative position information of each internodal hop count and signal cooperates anchor node to provide, the enhancement mode member node feeds back to the leader of team with the current location of Team Member.The leader of team finds the present too loose potential risk that exists of formation, sends broadcast message to other members of team and reminds everybody to gather, and evades contingent risk.
Claims (1)
1. team's exploration subsidiary communications and management method based on a wireless sensor network is characterized in that the WSN technology is applied to team's exploration communication, and powerful and reliable communication plan is provided, and this scheme detailed process is as follows:
Step 1) is arranged on the spacious zone that can receive gps signal with anchor node, opens the anchor node power supply and makes it be in mode of operation; Provide numbered plain edition member node to all Team Members, confirm that node is working properly; The leader of team holds the enhancement mode member node, confirms that node is working properly, uses the initialization route of route selection algorithm generating network, and member node prepares to receive the setting base information that anchor node sends; In the time can receiving the triones navigation system signal, namely be in 70 °-140 ° of east longitudes, in the time of in 5 ° of-55 ° of these scopes of north latitude, anchor node positions by triones navigation system, to obtain more accurate setting base information; If in the time of can't receiving the triones navigation system signal, anchor node automatically switches to and uses the GPS technology to obtain setting base information, and beginning was to this information of whole Web broadcast after anchor node obtained setting base information;
Step 2) enter GSM and GPS blind area scope after, to the path between the team position, lay via node at anchor node on the way, confirm behind via node of every laying that via node is working properly, guarantee that the communication between member node and the anchor node is smooth and easy, some redundant via nodes are set to guarantee having one or more route to use to anchor node;
When step 3) need to contact with leader or other members of team when the Team Member that holds the plain edition node, this member be transmit leg use its member node record one section 60 seconds with interior voice SMS by sending to the recipient take node serial number as sign, when the recipient is not in transmit leg single-hop communication scope, by the multi-hop route technology of WSN technology, via a plurality of member node or via node voice SMS is sent to the recipient; Send to rear recipient's member node and successfully send feedback information from the information that the transmission of trend transmit leg comprises recipient's node serial number;
Step 4) when the team leader who holds the enhancement mode node need to when other members of team send broadcast message, can use its member node record one section 60 seconds with interior voice SMS to whole Web broadcast, when existence is in member node beyond the enhancement mode member node single-hop communication scope, by the multi-hop route technology of WSN technology, via a plurality of member node or via node voice SMS is broadcast to whole network; After member node of broadcasting speech information delivery was the recipient, this node sent the information that comprises recipient's node serial number from trend enhancement mode node and successfully sends feedback information;
Step 5) network routing iinformation immediate updating in team sport, this absolute location information of setting base information that cooperates anchor node to provide according to strong and weak this two classes relative position information of each internodal hop count and signal, obtain the comparatively accurate Absolutely orientation information of each member node, Team Member use current location that node serial number checks the characteristics member with and and own between relative position relation, the leader of team checks each member's positional information of whole team by the enhancement mode member node, thereby the generation of the phenomenon of avoiding falling behind, and with broadcast message Team Member is guided in the case of necessary, evade contingent risk.
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CN103809187A (en) * | 2014-02-19 | 2014-05-21 | 博彦科技股份有限公司 | Method for sharing satellite positioning data through wireless sensor network |
CN106376008A (en) * | 2016-09-06 | 2017-02-01 | 上海数果科技有限公司 | Wireless communication system and wireless communication smart terminal for radio dead zone |
CN109107135A (en) * | 2018-06-04 | 2019-01-01 | 上海康斐信息技术有限公司 | Statistical information acquisition methods and device, the electronic equipment of racing campaign |
CN111665531A (en) * | 2020-06-16 | 2020-09-15 | 英华达(南京)科技有限公司 | Positioning information uploading method, positioning device and system and related equipment |
CN112040426A (en) * | 2020-11-05 | 2020-12-04 | 成都中航信虹科技股份有限公司 | Single carrier ad hoc network communication method and system |
CN112040396A (en) * | 2020-08-10 | 2020-12-04 | 北京小米移动软件有限公司 | Positioning method and device and computer storage medium |
CN114501334A (en) * | 2022-02-15 | 2022-05-13 | 西安邮电大学 | Outdoor team safety guarantee system |
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