CN102348294B - Building method of self-organized reconfigurable wireless sensor network - Google Patents
Building method of self-organized reconfigurable wireless sensor network Download PDFInfo
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Abstract
The invention relates to a building method of a self-organized reconfigurable wireless sensor network, which comprises four parts including a networking procedure, a media access protocol, network protocol data packet frame formats and node setting. A host node exists, new slave nodes which are arranged in an effective area automatically send access request information to the host node, and the host node assigns addresses and information transfer routes to the new slave nodes; data transmission is carried out among the network nodes in a multi-hop mode, and the P-persistent media access protocol of carrier sense multiple access/collision avoidance is adopted; the transmitted information adopts different frame formats according to the different tasks; hardware of the host node comprises a transmitting and receiving controller and a computer; and hardware of each slave node comprises a transmitting and receiving controller, a single-chip microcomputer chip and a filter amplifying circuit. The building method disclosed by the invention is simple and easy for operation. A built system has the functions of self-organized network access, network reconfiguration and distributed data acquisition transmission, and the building method is particularly suitable for building small wireless data acquisition sensor networks.
Description
Technical field
The present invention relates to a kind of construction method of wireless sensor network, particularly about a kind of construction method of the self-organizing reconfigurable wireless sensor network for distributed data acquisition transmission.
Background technology
In recent years, along with the develop rapidly of sensor technology, wireless communication technology and embedded computer technology, the wireless sensor network with perception, communication capacity and computing capability starts a large amount of appearance.Wireless sensor node can be arranged in targeted environment according to demand, by self organizing function, forms network, adopts the multi-hop mode to carry out transfer of data, forms distributed autonomous system, mutually finishes the work in phase.Compare with wireline equipment, it have with low cost, flexible, need not to rely on the advantages such as fixation means, therefore, this technology all has broad application prospects in various fields such as military affairs, industry, traffic, medical treatment, family and working environments, is one of hot spot technology of research both at home and abroad and application.At present, network-building method and Routing Protocol to wireless sensor network in prior art have many research, but mostly concentrating on, they study general networking plan or thinking, what consider is traditional network operation index, as topology of networks, connectedness, coverage, communication efficiency etc., do not take physical node into account in specific implementation process, need to be in conjunction with the practical problem of the factors such as application scenario and targeted environment consideration, as feasibility, convenience, complexity and the cost performance etc. of system realization.
Summary of the invention
, for the problems referred to above, the purpose of this invention is to provide a kind of construction method of simple self-organizing reconfigurable wireless sensor network.
For achieving the above object, the present invention takes following technical scheme: a kind of construction method of self-organizing reconfigurable wireless sensor network is characterized in that: it comprises four parts: networking flow process, access protocal, information format and Node configuration;
The network of setting up comprises a host node and some from node, often lay one newly from node, all carry out following steps: (1) newly directly sends the networking solicited message to host node from node, if obtain the networking configuration information that host node is replied within effective time, and definite new address and information transmission route, network successfully, otherwise enter step (2); (2) newly other sends the networking solicited message from node towards periphery from node,, if other response message that provides from node around receiving within effective time enters step (3), otherwise networks unsuccessfully, adjusts the new position that lays from node, again networks; (3) newly from node, confirm from the response message of receiving can be with the host node direct communication adjacent from node, then respectively take adjacent from node as its upstream from node, progressively transmit the networking solicited message by the multi-hop mode to host node, if receive the networking configuration information of host response within effective time, and determine new address and information transmission route, network successfully, otherwise network unsuccessfully, adjust the new position that lays from node, again network;
, by multi-hop mode transmission information, follow the media access protocol that Carrier Sense Multiple Access/conflict is avoided that P adheres between network node;
Information Adoption Network protocol data bag frame format is transmitted, and comprises in described the Internet protocol data bag frame format: the packet lead code is the origin identification of packet; Function code, the function of sign frame; Source node address is information source node address information sign; Destination node address is information destination node address information labelling; Maximum hop count in information transfer process; The length of data field; Data field; Check code is check results and the packet end mark to the packet data field.
The hardware of above-mentioned host node comprises a computer and a transceiver controller, and described transceiver controller is comprised of a RF radio frequency chip, a singlechip chip and a level transferring chip; Described level transferring chip is connected with described computer data, and the software of controlling described host node work is installed in described computer; Described hardware from node comprises a transceiver controller, described transceiver controller comprises a RF radio frequency chip and a singlechip chip, described singlechip chip is connected with LCD display, clock chip and the filter amplification circuit data of being connected respectively, and described filter amplification circuit connects the transducer of acquisition channel front end; Install in described singlechip chip and control described software from node work.
Above-mentioned P adheres in media access protocol that Carrier Sense Multiple Access/conflict avoids, wait data to be sent wait send out node to before waiting for that the due-in node that receives data sends effective information, first the value of NP and 1 is compared, wherein, N waits to send out the node number when media are busy, P is the random number of value in [0,1]; Only have when NP≤1, wait to send out node and just to due-in node, send effective information.
In the step (3) of above-mentioned networking flow process, each is adjacent from the corresponding routing channel of node, on this routing channel progressively in the process of transmission of information, every through one from node, just add this information from node in the networking solicited message of transmitting, and record the jumping figure of process, until this networking solicited message is sent to host node; , for fear of information explosion, limit in advance maximum hop count guaranteeing that the networking solicited message can be sent under the condition of host node; Check whether jumping figure reaches default maximum hop count:
, if reach, abandon this routing channel;
If do not reach, next upstream is continued to transmit this networking solicited message from node as forward node.
In the step (3) of above-mentioned networking flow process, host node is from the networking solicited message that all are received, for newly from two routing channels of node determination: the minimum routing channel of jumping figure is as best route, and time few routing channel of jumping figure is as alternate routing.
In the networking stage, in the data field recorded information transmitting procedure in above-mentioned the Internet protocol data bag frame format the forwarding of process from address of node information; In the data acquisition transmit stage, the data field in above-mentioned the Internet protocol data bag frame format is placed the data message that gathers from node.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the network of the present invention's establishment only comprises a host node, from node can be according to Demand the time cloth be placed in effective coverage, automatically complete networking by agreement, system is flexible for installation motor-driven, thereby has reduced the workload of arranging measurement point.2, pass through multi-hop mode the transmission of data between the node in the network of the present invention's establishment, follow improved P-CSMA/CA media access protocol, thereby reduced the possibility that transfer of data clashes, effectively improved the data throughout of wireless network.3, the network set up of the present invention is general from node, can be at any time with new from node substitute inefficacy or break down from node and automatic networking, thereby reduced the workload of network operation.4, the network of the present invention's establishment only need to change from the kind of the transducer of node acquisition channel front end, namely can realize the signal distributions formula wireless collection to the different application occasion.The present invention especially is fit to be applied to set up micro radio data sampling sensor network.
Description of drawings
Fig. 1 is networking flow chart of the present invention;
Fig. 2 is media access protocol flow chart of the present invention;
Fig. 3 is that host node hardware of the present invention forms schematic diagram;
Fig. 4 is that the present invention forms schematic diagram from node hardware;
Fig. 5 is the wireless sensor network schematic diagram of the embodiment of the present invention;
Fig. 6 is data acquisition flow figure of the present invention;
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
The present invention includes four parts: networking flow process (1), access protocal (2), information format (3) and Node configuration (4).The each several part content is described below:
(1) networking flow process:
The network that the present invention is set up comprises a host node and some from node, newly lay from node, hereinafter to be referred as newly from node, send the networking solicited message to host node, after host node is received information, give newly and distribute address and information to transmit route from node, newly from node, network successfully.As shown in Figure 1, host node runs on the networking operating state, to all, from node, sends the broadcast message that is in the networking operating state, will newly from node, be arranged in desired location, and each newly adds the network at host node place all to carry out following steps from node:
1) will newly from node, power on, carry out initialization, will record simultaneously the variable n zero clearing that sends networking solicited message number of times;
2) newly from node, directly to host node, send the solicited message that once networks, upgrade simultaneously the frequency n=n+1 that sends the networking solicited message;
3) time delay checks newly whether receive from node the networking configuration information that host node is replied:
, if receive, enter step 14);
, if do not receive, enter step 4);
4) check whether the frequency n that sends the networking solicited message reaches default transmission information maximization number of times:
, if reach,, with the n zero clearing, enter step 5);
, if do not reach, return to step 2);
5) newly other sends from node the solicited message that once networks towards periphery from node, upgrades simultaneously the frequency n=n+1 that sends the networking solicited message;
6) time delay checks newly whether receive other response message that provides from node on every side from node:
, if receive, enter step 8);
, if do not receive, enter step 7);
7) check whether the frequency n that sends the networking solicited message reaches default transmission information maximization number of times:
, if reach, enter step 15);
, if do not reach, return to step 5);
8) newly from node, arrange the response message of receiving, therefrom confirm can be with the host node direct communication adjacent from node;
9) will record the variable n zero clearing that sends networking solicited message number of times;
10) newly from node respectively take each adjacent from node as its upstream from node, send to host node the solicited message that once networks, upgrade simultaneously the frequency n=n+1 that sends the networking solicited message, because adjacent upstream from node route is known, so can newly from the networking solicited message of node, be transmitted to host node by multi-hop mode handle:
Each is adjacent from the corresponding routing channel of node, on this routing channel progressively in the process of transmission of information, every through one from node, just add this information from node in the networking solicited message of transmitting, and record the jumping figure of process, until this networking solicited message is sent to host node, thereby also just preserved corresponding routing iinformation in this networking solicited message.In addition,, for fear of information explosion, limit in advance maximum hop count guaranteeing that the networking solicited message can be sent under the condition of host node.Check whether jumping figure reaches default maximum hop count:
, if reach, abandon this routing channel;
If do not reach, next upstream is continued to forward this networking solicited message from node as forward node;
11) owing to newly from the networking solicited message of node, may being sent to host node by a plurality of different routing channels, host node is from the networking solicited message that all are received, for newly from two routing channels of node determination: the minimum routing channel of jumping figure is as the best route of new node, and time few routing channel of jumping figure is as alternate routing.When best route was too congested or damage, alternate routing was enabled.Correspondingly, two adjacently are respectively newly from the best upstream of node from node and standby upstream from node from node.Host node is to newly from node, replying the networking configuration information: inform newly the new address from node, with and best upstream from node and standby upstream from node; Simultaneously respectively to best upstream from node and standby upstream send information from node, inform newly and become its downstream from node from node.
12) time delay checks newly whether receive from node the networking configuration information that host node is replied:
, if receive, enter step 14);
, if do not receive, enter step 13)
13) check whether the frequency n that sends the networking solicited message reaches default transmission information maximization number of times:
, if reach, enter step 15);
, if do not reach, return to step 10);
14) according to the networking configuration information of receiving, newly from node, confirm new address and information transmission route, prompting networks successfully, newly from node, enters low power consumpting state;
15) prompting networks unsuccessfully, at this moment, adjusts newly and again attempts networking from the position that lays of node.
(2) access protocal:
In order fully to use media channel, simultaneously can effectively reduce the possibility that clashes again, the present invention adopts the Carrier Sense Multiple Access that P adheres to/conflict to avoid the media access protocol of (abbreviation P-CSMA/CA).As shown in Figure 2, when a routing node such as has at the effective information to be sent, hereinafter to be referred as waiting to send out node, wait to send out node first to waiting for the routing node that receives effective information, hereinafter to be referred as due-in node, send inquiry message, be used for inquiring whether due-in node is idle,, if receive the response message that this due-in node provides, show that this due-in node is idle.When due-in node is idle, the value of NP and 1 is compared, wherein, N waits to send out the node number when media are busy, and P is the random number of value in [0,1], before namely sending effective information at every turn, gives and waits to send out node Random assignment one probability numbers.Only have when NP≤1, wait to send out node and just to due-in node, send effective information.This be because, require simultaneously a due-in node to receive effective information if there are several to wait to send out a node, in case just and this due-in node free time send immediately simultaneously, will certainly cause conflict and conflict continued.After sending effective information, wait to send out node and wait for due-in node reply one confirmation, to confirm this effective information, be sent completely.
(3) information format:
| Pre | Fun | From | Final | Max | Len | Data | Check | End |
Information adopts above the Internet protocol data bag frame format to transmit, and Pre is the packet lead code, is the origin identification of packet, can get fixed value 0x55; Fun is function code, in order to characterize the function of frame; From is source node address, is information source node address information sign; Fihal is destination node address, is information destination node address information labelling; Max is the maximum hop count in information transfer process; Len is the length of data field, can be according to actual conditions value between 0～255; Data is data field, adopts different forms according to the difference of each frame function code, to carry different information.In the networking stage, Data carries the relevant information of this sensor node in the networking process, for example, and the information such as other address of node, route and energy around this node; In the data acquisition transmit stage, Data carries the data message that gathers from node; Check is check code, is the check results to the packet data field; End is the packet end mark, can value be " * ' ' corresponding ASCII character 0x2A.According to the difference of task, the frame format of packet has certain difference when reality is used:
1) in the networking stage
The frame format of the networking solicited message that newly directly sends to host node from node:
| Pre | | Init | Mas | 1 | 0 | End |
For above-mentioned request, the frame format of the networking configuration information that host node is replied:
| Pre | | Mas | Init | 1 | 1 | ID | Check | End |
Newly from the node frame format of other networking solicited message that sends from node towards periphery:
| Pre | Fun | Init | 0 | 1 | 0 | End |
For above-mentioned request, the frame format of other response message that provides from node on every side:
| Pre | Fun | From | |
1 | 0 | End |
Newly from the frame format of node by the adjacent networking solicited message that sends from node to host node:
| Pre | | Init | Mas | 1 | Actual value | Next | Add in process | Check | End |
For above-mentioned request, the frame format of the networking configuration information that host node is replied:
| Pre | Fun | Mas | Init | Desired |
3 | ID | Up1 | Up2 | Check | End |
Host node to best upstream from node and standby upstream from node, be newly the frame format of its downstream from the information of node from the interpolation that node sends:
| Pre | Fun | Mas | Up1/Up2 | |
1 | ID | Check | End |
The frame format of the broadcast message that host node sends to all from node:
| Pre | Fun | Mas | Arbitrary value | Desired value | Actual value | Check | End |
Wherein, the new initial address from node of Init representative; Mas represents the address of host node; Up1 represents that best upstream is from address of node; Up2 represents that standby upstream is from address of node; ID represents that host node is to the new new address of distributing from node; Next representative information repeating process repeating is from address of node; Desired value represents the set point of maximum hop count Max, and its size is in order to prevent the information explosion in network, according to a value of network size and the setting of route length; The physical length of data field in actual value representative information frame; What arbitrary value was corresponding is the address of destination node, owing to host node this moment sending broadcast message to all from node, destination node be in network all from node, therefore this position can be set to arbitrary value and the information that can not affect transmits.
2) in the data acquisition transmit stage:
Wait to send out node and send the frame format of inquiry message to due-in node:
| Pre | | Loc | Obj | 1 | 0 | End |
For above-mentioned inquiry, the frame format of the response message that due-in node provides:
| Pre | | Obj | Loc | 1 | 0 | End |
Wait to send out the frame format of node to the effective information of due-in node transmission:
| Pre | Fun | From | Final | Desired value | Actual value | Data | Check | End |
The frame format of the confirmation information that due-in node is replied:
| Pre | | Obj | Loc | 1 | 0 | End |
Wherein, Loc represents and waits to send out an address of node, and 0bj represents due-in address of node.
(4) Node configuration:
The network that the present invention is set up comprises a host node and some from node.As shown in Figure 3, the hardware of host node comprises a computer and a transceiver controller, and transceiver controller is comprised of a RF radio frequency chip, a singlechip chip and a level transferring chip.Level transferring chip connects computer by serial communication interface, and the software of main control system node work is installed in computer.As shown in Figure 4, comprise a transceiver controller from the hardware of node, transceiver controller comprises a RF radio frequency chip and a singlechip chip, singlechip chip is connected with LCD display, clock chip and the filter amplification circuit data of being connected respectively, and filter amplification circuit connects the transducer of acquisition channel front end.When the acquisition channel front end connects different transducers, adopt different filter amplification circuit.Clock chip, for from node, providing clock information, can set in advance the clock synchronous with host node.LCD display is used for showing from the configuration information of node, the signal data that gathers and clock information.The software of controlling from node work is installed in singlechip chip.
Below in conjunction with specific embodiment, the present invention is further elaborated:
Electric field strength is to estimate the important indicator that the UHV transmission line electromagnetic environment is disturbed, too high electric field strength can exert an influence to health and the power consumption equipment of resident high-tension line near, and is therefore significant to the enforcement of UHV Transmission Engineering to its measurement and analysis.At present, in prior art, a reading mensuration is manually patrolled in the most employing of the measurement of electric field strength, or, by industrial bus,, as 485 buses or CAN bus, carry out distributed cable network and measure.Because electric field intensity measuremenrt point often has tens places even more than the hundreds of place, the workload of these two kinds of methods is all too large, and distributed cable network method very flexible, revises inconvenience.The present invention is fit to electric field intensity measuremenrt in this case very much, particularly, more than twireless radio-frequency communication frequency of the present invention can reach 50MHz, thereby avoided UHV transmission line and faced the interference band (0～30MHz) of radio signal on ground, in addition, adopt the present invention can also effectively guarantee the reliability of signal transmission.
The present embodiment is to adopt the present invention to gather near the interior electric field strength of the ground of UHV transmission line hundreds of rice distance range.The transceiver controller of host node is comprised of a RF radio frequency chip RFCC1100, a singlechip chip MSP430F155 and a level transferring chip MAX3232, and level transferring chip MAX3232 is by serial communication interface RS232 and compunication.Formed by a RF radio frequency chip RFCC1100 and a singlechip chip MSP430F155 from the transceiver controller of node.The input signal of acquisition channel front end is from No. four electric-field sensor probes, the output voltage of probe is between-1.5V～1.5V, between 0～5V, therefore need to adopt filter amplification circuit to nurse one's health the signal data that No. four electric-field sensors probes gather due to the analog input voltage of the A/D of singlechip chip MSP430F155 conversion.
As shown in Figure 5, in the network of supposing the system, existing address is that host node and four cloth of 1 are placed in pickup area, address be 2,3,4,5 from node,, because the transmitting power of each node is limited, need between node to carry out transfer of data by the multi-hop mode.Need to lay now one newly from node, its initial address is 0, should automatically add the process of above-mentioned network as follows from node:
Step 1: host node 1 sends the broadcast message that is in the networking operating state to all from node, frame format is:
| 0x55 | 0x00 | 0x01 | Arbitrary value | 0x05 | 0x00 | 0x2A |
Step 2: newly from node 0, power on, carry out initialization, will record simultaneously the variable n zero clearing of transmission information number of times;
Step 3: newly from node 0, directly to host node 1, send the networking solicited message, frame format is:
| 0x55 | 0x01 | 0x00 | 0x01 | 0x01 | 0x00 | 0x2A |
Step 4: due to host node 1 not new in the coverage of node 0 transmitting power, host node 1 can not receive this information, so can not make reply.Simultaneously, other may also can receive this information from node, after the judgement of informational function code, also can not respond.Sending the information maximization number of times is set to 2 times.If newly from node 0 to host node 1 repeat to have sent 2 networking solicited messages after, all do not obtain host node 1 and reply, around turning to, other send the networking solicited messages from node 2,3,4,5, frame format is:
| 0x55 | 0x02 | 0x00 | 0x00 | 0x01 | 0x00 | 0x2A |
Step 5: suppose can receive from node 3 with from node 5 the networking solicited message that newly from node 0, sends, provide respectively response message:
From the response message that node 3 provides, frame format is:
| 0x55 | 0x02 | 0x03 | 0x00 | 0x01 | 0x00 | 0x2A |
From the response message that node 5 provides, frame format is:
| 0x55 | 0x02 | 0x05 | 0x00 | 0x01 | 0x00 | 0x2A |
Step 6: after time delay, newly from node 0, arrange the response message of receiving, therefrom determine from node 3 and from node 5, be that it is adjacent from node.Then, newly from node 0 respectively from node 3 with from node 5, as its upstream from node, by the multi-hop mode, to host node 1, to send the solicited message that once networks:
By the 1 networking solicited message that sends from node 3 to host node, frame format is:
| 0x55 | Fun | 0x00 | 0x01 | 0x01 | 0x01 | 0x03 | Add in process | Check | 0x2A |
By the 1 networking solicited message that sends from node 5 to host node, frame format is:
| 0x55 | Fun | 0x00 | 0x01 | 0x01 | 0x01 | 0x05 | Add in process | Check | 0x2A |
[0112]Step 7: each is adjacent from the corresponding routing channel of node, on this routing channel progressively in the process of transmission of information, every through one from node, add this information from node in the networking solicited message that forwards, and record the jumping figure of process, until this networking solicited message is sent to host node.The information frame that host node 1 is received is respectively:
| 0x55 | Fun | 0x00 | 0x01 | 0x01 | 0x03 | 0x03 | 0x02 | 0x01 | Check | 0x2A |
| 0x55 | Fun | 0x00 | 0x01 | 0x01 | 0x04 | 0x05 | 0x04 | 0x02 | 0x01 | Check | 0x2A |
Step 8: according to two frame data of receiving, the judgement of the computer of host node 1, newly can be sent to host node to information by path 3 → 2 → 1 or 5 → 4 → 2 → 1 from node, and the jumping figure of process is respectively 3 and 4.Host node 1 is then to newly replying the networking configuration information from node 0, and frame format is:
| 0x55 | Fun | 0x01 | 0x00 | 0x05 | 0x03 | 0x06 | 0x03 | 0x05 | Check | 0x2A |
Give newly and distribute new address 6 from node, inform that its best upstream is from node 3 from node, standby upstream is from node 5 from node.
Simultaneously, host node sends information and informs respectively best upstream from node 3 and standby upstream from node 5, from node 6 be their downstream from node, frame format is respectively:
| 0x55 | Fun | 0x01 | 0x03 | 0x05 | 0x01 | 0x06 | Check | 0x2A |
| 0x55 | Fun | 0x01 | 0x05 | 0x05 | 0x01 | 0x06 | Check | 0x2A |
Step 9: after newly from node, receiving the networking configuration information of host node reply, confirm new address 6, best route 3 → 2 → 1, alternate routing 5 → 4 → 2 → 1.So far, one is newly finished from the network process that enters of node, should enter low power consumpting state from node, waits for that host node sends new instruction.
In above-described embodiment, if need to again lay networked from node, after again laying, carry out above-mentioned steps and again network and get final product, restructural characteristic of the present invention that Here it is.
Step 10: after all newly from node, networking completed, host node sent the broadcast message that withdraws from the networking operating state, enters normal operating conditions to all from node, and frame format is:
| 0x55 | 0x0f | 0x01 | Arbitrary value | 0x05 | 0x00 | 0x2A |
During normal operating conditions, the mode of host node by poll be to from node, sending the data acquisition instruction, to the electric field strength of collection point gather, and the data that will gather transmit and store.On the computer of host node, first the reduced parameter of describing transformational relation between image data and respective electric field field intensity value is carried out the initialization setting, as shown in Figure 6, image data from node execution following steps:
1) will record the variable m zero clearing that sends data acquisition instruction number of times;
2) host node sends the data acquisition instruction to from node, upgrades simultaneously m=m+1;
3) host node computer dormancy a period of time, to wait for and from node, data being returned, the data that then will return are put into host buffer;
4) the host node computer reads the data in buffering area, carries out data check, and it thes contents are as follows:
The start frame of check data bag and end frame, and packet is carried out parity check, the check digit in check results and packet is compared, thereby judges whether the return data bag is correct:
, if the return data bag is correct, enter step 6);
, if the return data bag is incorrect, illustrate that data have been subject to disturbing and have produced mistake in transmitting procedure, enter step 5);
5) check whether the number of times m that sends the data acquisition instruction reaches default transmission instruction maximum times:
, if reach, enter step 7);
, if do not reach, return to step 2), continue this is sent the data acquisition instruction from node;
6) prompting gather successfully, according to reduced parameter, image data is converted into corresponding electric field strength value, and with result store to file, enter step 8);
7) abandon this data collection task from node, prompting gathers unsuccessfully, enters step 8);
8) check whether other are arranged need image data from node:
If necessary, return to step 1), start another is sent the data acquisition instruction from node;
, if do not need, finish.
Prove through field experiment, this system can accurately gather the interior electric field strength of field of coverage 200m, and convenient and swift, reliability is high.
The network that the present invention is set up only need to be changed the kind of its transducer that connects from node acquisition channel front end, namely can realize the signal distributions formula wireless collection to the different application occasion, as mine information monitoring, storage information monitoring, Intelligent traffic information acquiring, modern agriculture information gathering etc.
Above-described embodiment only is used for explanation the present invention, and wherein the structure of each parts, connected mode etc. all can change, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (8)
1. the construction method of a self-organizing reconfigurable wireless sensor network, it is characterized in that: it comprises four parts: networking flow process, access protocal, information format and Node configuration;
The network of setting up comprises a host node and some from node, often lay one newly from node, all carry out following steps: (1) newly directly sends the networking solicited message to host node from node, if obtain the networking configuration information that host node is replied within effective time, and definite new address and information transmission route, network successfully, otherwise enter step (2); (2) newly other sends the networking solicited message from node towards periphery from node,, if other response message that provides from node around receiving within effective time enters step (3), otherwise networks unsuccessfully, adjusts the new position that lays from node, again networks; That (3) newly from node, confirms to communicate by letter with host node from the response message of receiving is adjacent from node, then respectively take adjacent from node as its upstream from node, progressively transmit the networking solicited message by the multi-hop mode to host node, if receive the networking configuration information of host response within effective time, and determine new address and information transmission route, network successfully, otherwise network unsuccessfully, adjust the new position that lays from node, again network;
, by multi-hop mode transmission information, follow the media access protocol that Carrier Sense Multiple Access/conflict is avoided that P adheres between network node;
Information Adoption Network protocol data bag frame format is transmitted, and comprises in described the Internet protocol data bag frame format: the packet lead code is the origin identification of packet; Function code, the function of sign frame; Source node address is information source node address information sign; Destination node address is information destination node address information labelling; Maximum hop count in information transfer process; The length of data field; Data field; Check code is check results and the packet end mark to the packet data field;
The hardware of described host node comprises a computer and a transceiver controller, and described transceiver controller is comprised of a RF radio frequency chip, a singlechip chip and a level transferring chip; Described level transferring chip is connected with described computer data, and the software of controlling described host node work is installed in described computer; Described hardware from node comprises a transceiver controller, described transceiver controller comprises a RF radio frequency chip and a singlechip chip, described singlechip chip is connected with LCD display, clock chip and the filter amplification circuit data of being connected respectively, and described filter amplification circuit connects the transducer of acquisition channel front end; Install in described singlechip chip and control described software from node work.
2. the construction method of a kind of self-organizing reconfigurable wireless sensor network according to claim 1, it is characterized in that: described P adheres in media access protocol that Carrier Sense Multiple Access/conflict avoids, etc. data to be sent wait send out node to before waiting for that the due-in node that receives data sends effective information, first the value of NP and 1 is compared, wherein, N waits to send out the node number when media are busy, P is the random number of value in [0,1]; Only have when NP≤1, wait to send out node and just to due-in node, send effective information.
3. the construction method of a kind of self-organizing reconfigurable wireless sensor network according to claim 1 and 2, it is characterized in that: in the step (3) of described networking flow process, each is adjacent from the corresponding routing channel of node, on this routing channel progressively in the process of transmission of information, every through one from node, just add this information from node in the networking solicited message of transmitting, and record the jumping figure of process, until this networking solicited message is sent to host node; , for fear of information explosion, limit in advance maximum hop count guaranteeing that the networking solicited message can be sent under the condition of host node; Check whether jumping figure reaches default maximum hop count:
, if reach, abandon this routing channel;
If do not reach, next upstream is continued to transmit this networking solicited message from node as forward node.
4. the construction method of a kind of self-organizing reconfigurable wireless sensor network according to claim 1 and 2, it is characterized in that: in the step (3) of described networking flow process, host node is from the networking solicited message that all are received, for newly from two routing channels of node determination: the minimum routing channel of jumping figure is as best route, and time few routing channel of jumping figure is as alternate routing.
5. the construction method of a kind of self-organizing reconfigurable wireless sensor network according to claim 3, it is characterized in that: in the step (3) of described networking flow process, host node is from the networking solicited message that all are received, for newly from two routing channels of node determination: the minimum routing channel of jumping figure is as best route, and time few routing channel of jumping figure is as alternate routing.
6. the construction method of according to claim 1 and 2 or 5 described a kind of self-organizing reconfigurable wireless sensor networks, it is characterized in that: in the networking stage, in the data field recorded information transmitting procedure in described the Internet protocol data bag frame format the forwarding of process from address of node information; In the data acquisition transmit stage, the data field in described the Internet protocol data bag frame format is placed the data message that gathers from node.
7. the construction method of a kind of self-organizing reconfigurable wireless sensor network according to claim 3, it is characterized in that: in the networking stage, in the data field recorded information transmitting procedure in described the Internet protocol data bag frame format process from address of node information; In the data acquisition transmit stage, the data field in described the Internet protocol data bag frame format is placed the data message that gathers from node.
8. the construction method of a kind of self-organizing reconfigurable wireless sensor network according to claim 4, it is characterized in that: in the networking stage, in the data field recorded information transmitting procedure in described the Internet protocol data bag frame format process from address of node information; In the data acquisition transmit stage, the data field in described the Internet protocol data bag frame format is placed the data message that gathers from node.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259807B (en) * | 2012-02-16 | 2016-05-25 | 上海第二工业大学 | A kind of data transmission processing method of intelligent radio sensing system |
| CN103929344A (en) * | 2014-04-29 | 2014-07-16 | 北京瑞赛长城航空测控技术有限公司 | Self-organized and self-healing wireless tree-based network and organizing method thereof |
| CN105792305B (en) * | 2016-02-24 | 2019-03-08 | 长春思拓电子科技有限责任公司 | A kind of ultra-low power consumption wireless data transmission network design method |
| CN105959973B (en) * | 2016-06-07 | 2019-02-22 | 中国人民解放军国防科学技术大学 | A kind of method of cognition wireless network framework self-adapting reconstruction |
| CN107466072B (en) * | 2017-07-21 | 2020-11-10 | 哈尔滨工程大学 | Multi-channel parallel negotiation MAC protocol implementation method based on geographical position information |
| CN108738050B (en) * | 2018-06-26 | 2023-01-06 | 南京航空航天大学 | Method for optimizing P-insisting mechanism parameters of wireless ad hoc network under long-distance condition |
| CN109819496B (en) * | 2019-03-22 | 2022-05-03 | 西南科技大学 | Short-distance networking method for offshore multi-mobile heterogeneous platform |
| CN110267220B (en) * | 2019-04-30 | 2021-11-02 | 泉州维盾电气有限公司 | System and method for serial networking data communication of single-host wireless equipment |
| CN111431785A (en) * | 2020-06-11 | 2020-07-17 | 南京北路自动化系统有限责任公司 | CAN bus node ad hoc network method |
| CN114866607A (en) * | 2022-04-28 | 2022-08-05 | 中建三局智能技术有限公司 | Networking transmission method and device based on voice coding technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179499A (en) * | 2007-12-06 | 2008-05-14 | 上海大学 | Method for wireless self-organizing of monitoring system to form tree-shaped routing |
| CN101820660A (en) * | 2010-03-26 | 2010-09-01 | 上海桑锐电子科技有限公司 | Self-networking method for wireless routing Internet of things |
| CN101841885A (en) * | 2009-03-19 | 2010-09-22 | 曹英晖 | Method for constructing wireless sensor network for periodical data transmission |
| CN101868041A (en) * | 2010-05-14 | 2010-10-20 | 南京瀚之显电子科技有限公司 | Zigbee wireless sensor network of master and slave tree types, construction method and routing protocol |
| CN101977385A (en) * | 2010-10-27 | 2011-02-16 | 南京航空航天大学 | DSAM (Dynamic Slot-time Allocation Method) of scale-extensible single-jump ad hoc network supporting QoS (Quality of Service) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050074025A1 (en) * | 2003-10-02 | 2005-04-07 | Huai-Rong Shao | Media Access Control Protocol for wireless sensor networks |
-
2011
- 2011-09-22 CN CN2011102841012A patent/CN102348294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179499A (en) * | 2007-12-06 | 2008-05-14 | 上海大学 | Method for wireless self-organizing of monitoring system to form tree-shaped routing |
| CN101841885A (en) * | 2009-03-19 | 2010-09-22 | 曹英晖 | Method for constructing wireless sensor network for periodical data transmission |
| CN101820660A (en) * | 2010-03-26 | 2010-09-01 | 上海桑锐电子科技有限公司 | Self-networking method for wireless routing Internet of things |
| CN101868041A (en) * | 2010-05-14 | 2010-10-20 | 南京瀚之显电子科技有限公司 | Zigbee wireless sensor network of master and slave tree types, construction method and routing protocol |
| CN101977385A (en) * | 2010-10-27 | 2011-02-16 | 南京航空航天大学 | DSAM (Dynamic Slot-time Allocation Method) of scale-extensible single-jump ad hoc network supporting QoS (Quality of Service) |
Non-Patent Citations (5)
| Title |
|---|
| Ailawadhi,V. * |
| Gao,J. * |
| Pottie,G.J..Protocols for Self-Organization of a Wireless Sensor Network.《IEEE Personal Communications》.2000,第7卷(第5期), * |
| Sohrabi,K. * |
| 张丁，胡涛，朱双东，.一种混合组网的传感器网络.《第二十九届中国控制会议论文集》.2010, * |
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