CN107018521A

CN107018521A - The network-building method of wireless sense network, device and system

Info

Publication number: CN107018521A
Application number: CN201710084557.1A
Authority: CN
Inventors: 何源; 郭俊辰; 郑霄龙
Original assignee: Tsinghua University
Current assignee: Tsinghua University
Priority date: 2017-02-16
Filing date: 2017-02-16
Publication date: 2017-08-04
Anticipated expiration: 2037-02-16
Also published as: CN107018521B

Abstract

This application discloses the network-building method of wireless sense network, device and system, the problem of for solving WSN upper layer application in the prior art and stronger underlying protocol stack coupling, the wireless sense network includes controller, at least one base-station node and at least one wireless sensor node；In at least one described wireless sensor node, at least one Target Wireless sensor node is included；Including：Role's allocation of parameters of each Target Wireless sensor node is determined respectively；Role's allocation of parameters is sent to the base-station node, so that the base-station node is by the role's allocation of parameters received, it is sent to each Target Wireless sensor node, to cause each Target Wireless sensor node to receive role's allocation of parameters, the value of the configurable attribute of the Target Wireless sensor node is set according to role's allocation of parameters, function corresponding with role's allocation of parameters is realized.

Description

The network-building method of wireless sense network, device and system

Technical field

The application is related to wireless communication technology field, more particularly to wireless sense network network-building method, device and system.

Background technology

Wireless sense network (Wireless Sensor Networks, WSN) can be by substantial amounts of static or movement wireless Sensor node is constituted with modes such as self-organizing and multi-hops.WSN perceives, gathers and handled wireless sense network and covers cooperatively The information of object is perceived in lid geographic area, and these information are finally sent to network ownership.

The wireless senser for numerous types that WSN has, it is detectable including earthquake, electromagnetism, temperature, humidity, noise, light Diversified physical quantity in the surrounding enviroment such as intensity, pressure, soil constituent, the size of mobile object, speed and direction.Cause This, wireless sense network has extensively in application fields such as military surveillance, environment measuring, industry monitoring, activity aware and health medical treatments General application prospect.

Under normal circumstances, WSN each wireless sensor node, which is dispersed in, needs the region of monitor and detection, deployment completion Afterwards these wireless sensor nodes will ad-hoc network, and according to the oriented relation between the node determined according to network state, really It is fixed whether forwarding operation to be carried out to the packet that receives.In the prior art, WSN upper layer application and underlying protocol stack coupling Property it is stronger, when expect adjustment WSN upper layer applications performance when, it is necessary to developer develop again meet upper layer application performance will The WSN underlying protocol stacks of desired value are sought, so as to expend more human resources.

The content of the invention

The embodiment of the present application provides the network-building method of wireless sense network, and the upper strata for solving WSN in the prior art should With with underlying protocol stack coupling it is stronger the problem of.

The embodiment of the present application additionally provides the network device of wireless sense network, the upper strata for solving WSN in the prior art Using with underlying protocol stack coupling it is stronger the problem of.

The embodiment of the present application additionally provides the group network system of wireless sense network, the upper strata for solving WSN in the prior art Using with underlying protocol stack coupling it is stronger the problem of.

The embodiment of the present application uses following technical proposals：

A kind of network-building method of wireless sense network, the wireless sense network include controller, at least one base-station node and At least one wireless sensor node；In at least one described wireless sensor node, at least one Target Wireless sensing is included Device node；Each Target Wireless sensor node, possesses at least two configurable functions respectively；Including：

Role's allocation of parameters of each Target Wireless sensor node is determined respectively；

Role's allocation of parameters is sent to the base-station node, so that the base-station node will be received by the control Role's allocation of parameters that device processed is sent, is sent to each Target Wireless sensor node, with cause each target without Line sensor node receives role's allocation of parameters, and the Target Wireless sensor section is set according to role's allocation of parameters The value of the configurable attribute of point, realizes function corresponding with role's allocation of parameters.

A kind of network-building method of wireless sense network, the wireless sense network includes at least one base-station node and at least one Wireless sensor node；In at least one described wireless sensor node, at least one Target Wireless sensor node is included；Respectively Target Wireless sensor node, possesses at least two configurable functions respectively；Methods described is applied to each Target Wireless In sensor node, including：

Receive role's allocation of parameters that the base-station node is sent；

The value of the configurable attribute of the Target Wireless sensor node is set according to role's allocation of parameters, realize with The corresponding function of role's allocation of parameters.

A kind of network device of wireless sense network, the wireless sense network include controller, at least one base-station node and At least one wireless sensor node；In at least one described wireless sensor node, at least one Target Wireless sensing is included Device node；Each Target Wireless sensor node, possesses at least two configurable roles respectively；Including：

Determining unit, role's allocation of parameters for determining each Target Wireless sensor node respectively；

Transmitting element, for sending role's allocation of parameters to the base-station node, so that the base-station node will connect The role's allocation of parameters sent by the controller received, is sent to each Target Wireless sensor node, so that Obtain each Target Wireless sensor node and receive role's allocation of parameters, the mesh is set according to role's allocation of parameters The value of the configurable attribute of wireless sensor node is marked, function corresponding with role's allocation of parameters is realized.

A kind of network device of wireless sense network, the wireless sense network include controller, at least one base-station node and At least one wireless sensor node；In at least one described wireless sensor node, at least one Target Wireless sensing is included Device node；Each Target Wireless sensor node, possesses at least two configurable roles respectively；Methods described is applied to each described In Target Wireless sensor node, including：

Receiving unit, for receiving role's allocation of parameters that the base-station node is sent；

Function realizes unit, for setting matching somebody with somebody for the Target Wireless sensor node according to role's allocation of parameters The value of attribute is put, function corresponding with role's allocation of parameters is realized.

A kind of group network system of wireless sense network, the wireless sense network include controller, at least one base-station node and At least one wireless sensor node；In at least one described wireless sensor node, at least one Target Wireless sensing is included Device node；Each Target Wireless sensor node, possesses at least two configurable roles respectively；

The controller, role's allocation of parameters for determining each Target Wireless sensor node respectively；

Role's allocation of parameters is sent to the base-station node；

The base-station node, for that will receive role's allocation of parameters, is sent to each Target Wireless sensor Node；

The Target Wireless sensor node, for receiving role's allocation of parameters；

At least one above-mentioned technical scheme that the embodiment of the present application is used can reach following beneficial effect：

When expecting the performance of adjustment WSN upper layer applications, each Target Wireless sensor node can be determined respectively first Role's allocation of parameters, then sends role's allocation of parameters to base-station node, so that base-station node will be received by controller Role's allocation of parameters of transmission, is sent to each Target Wireless sensor node so that each Target Wireless sensor node being capable of root According to its role's allocation of parameters, the value of the configurable attribute of its own is set, so that function corresponding with role's allocation of parameters is realized, The problem of so as to solve WSN upper layer application in the prior art and stronger underlying protocol stack coupling.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings：

Fig. 1 a are the structure composition schematic diagram that the embodiment of the present application 1 provides wireless sense network；

Fig. 1 b are the implementation process schematic diagram of the network-building method for the wireless sense network that the embodiment of the present application 1 is provided；

Fig. 1 c are any wireless sensor node C in the wireless sense network of the offer of the embodiment of the present application 1 to base-station node Path schematic diagram；

Fig. 1 d are determination wireless sensor node C the showing to the shortest path of base-station node that the embodiment of the present application 1 is provided It is intended to；

Fig. 1 e are the structural representation for the controller that the embodiment of the present application 1 is provided；

Fig. 2 is realization of the network-building method at wireless sensor node end for the wireless sense network that the embodiment of the present application 1 is provided Schematic flow sheet；

Fig. 3 is a kind of network device structural representation for wireless sense network that the embodiment of the present application 2 is provided；

Fig. 4 is a kind of network device structural representation for wireless sense network that the embodiment of the present application 3 is provided；

Fig. 5 is a kind of group network system structural representation for wireless sense network that the embodiment of the present application 4 is provided.

Embodiment

To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the application one Section Example, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the application protection.

Below in conjunction with accompanying drawing, the technical scheme that each embodiment of the application is provided is described in detail.

Embodiment 1

The problem of to solve WSN upper layer application in the prior art and stronger underlying protocol stack coupling, the application is implemented Example provides a kind of network-building method of wireless sense network, as shown in Figure 1a, and the wireless sense network includes controller, at least one base station In node and at least one wireless sensor node, wherein at least one wireless sensor node, comprising at least one target without Line sensor node.

During the executive agent of the network-building method for the wireless sense network that the embodiment of the present application is provided can be wireless sense network Any device for realizing the method that the application is provided in controller or wireless network Sensor Network.The embodiment of the present application first Executive agent in this way is exemplified by controller, the embodiment to this method describes, as shown in Figure 1 b, for this in detail The implementation process schematic diagram of method, comprises the steps：

Step 11, role's allocation of parameters of each Target Wireless sensor node is determined respectively；

Wherein, role's allocation of parameters, refers to network state and upper layer application demand of the controller according to wireless sense network, The parameter of the function of each Target Wireless sensor node of sign of determination, each Target Wireless sensor node can be according to role point Itself function is determined with parameter, i.e., each Target Wireless sensor node can determine that its own can be with according to role's allocation of parameters The data of which kind of mode of collection are sent, and the data for which kind of mode that neighbor node is sent are forwarded.

The problem of to solve WSN upper layer application in the prior art and stronger underlying protocol stack coupling, the application is implemented Example can determine to characterize the information of each Target Wireless sensor node role's allocation of parameters respectively, then according to these information, point Each Target Wireless sensor node role's allocation of parameters is not determined.To meet the demand of upper layer application, wherein, the information can be wrapped Include following at least one：The network state information of the wireless sense network；The modal information of the wireless sense network；Inputted and controlled by user The information of role's allocation of parameters of each Target Wireless sensor node of sign of device processed.

Wherein, the determination process of network state information includes：

(1) first, the perception data bag that wireless sensor node is sent is received, the perception data bag includes expecting to retransmit Number of times and network topology adjacency list；

(2) then, the perception data bag is parsed；

(3) finally, network state information is determined according to the expectation number of retransmissions and network topology adjacency list that parse.

To avoid wireless sense network from being in dutycycle (English name：Duty Cycle) mode of operation when, wireless sense network In some wireless sensor nodes be likely to be at resting state, cause determine wireless sense network network state information it is endless It is whole, when network state information is the overall network state information of wireless sense network, the overall network state of the wireless sense network Information, is that the perception data bag that the part wireless sensor node in the wireless sensor network received is sent is determined.

Wherein, perception data bag includes the network state information wireless sensor node in itself, and the wireless sensing The network state information of the network state information of device nodes neighbors node, then wireless sense network entirety, can be wireless according to part The network state information of each node in itself in sensor node, and the network state information of the neighbor node of each node come true It is fixed.The specific determination process of the overall network state information of the wireless sense network, will be described in detail later.

After the overall network state information of wireless sense network is determined, it can be wanted according to the performance of WSN upper layer application Desired value, and the wireless sense network determined overall network state information and modal information are asked, each wireless sensor node is determined Role's allocation of parameters of point.

WSN upper layer application, refers to the application program on WSN upper stratas.WSN upper layer application may operate in computing device In, possess and obtain the data that the wireless sensor node in WSN is collected, and according to the ability of data execution scheduled operation.No Same application program often has different demands for the data that the wireless sensor node in WSN is collected.Such as temperature is entered The application program of row statistical analysis, the temperature data that meeting demand wireless sensor node is collected；And video is carried out at editing The application program of reason, then can the video image that collects of demand wireless sensor node.

WSN underlying protocol stack, the summation for each layer protocol followed that refers to be communicated between the node in WSN. In WSN, underlying protocol stack needs the performance requirement desired value with upper layer application to match.The performance requirement of WSN upper layer application Desired value, refers to the parameter value of the performance requirement for representing upper layer application, such as can be, but not limited to include upper layer application will The value for the retardation asked, the value of handling capacity, the value of network life, packet loss etc..The performance requirement desired value of upper layer application occurs Change (i.e. the performance of WSN upper layer applications is adjusted), can change in WSN by way of the role of at least part node come Realize.According to prior art, node role changes, and can only be realized by changing WSN underlying protocol stack, such as, weight It is new to define some index systems of selection or computational methods that agreement uses etc..This mode is, it is necessary to which technical staff manually opens again The code set in hair or modification wireless sensor node, expends more human resources.

The method that is there is provided due to the embodiment of the present application can be according to the performance requirement desired value of upper layer application, and determines Wireless sense network overall network state information and modal information, determine role's allocation of parameters of each wireless sensor node, because This can solve above-mentioned when expecting the performance of adjustment upper layer application, the problem of expending more human resources.

, can be by performing step 12 come to base after role's allocation of parameters of each Target Wireless sensor node is determined Tiny node sends role's allocation of parameters.

Step 12, role's allocation of parameters of each Target Wireless sensor node is sent to base-station node, so as to base-station node By the role's allocation of parameters sent by controller received, each Target Wireless sensor node is sent to, to cause each target Wireless sensor node receives role's allocation of parameters, and each Target Wireless sensor node is set certainly according to role's allocation of parameters The value of the configurable attribute of body, realizes function corresponding with role's allocation of parameters.

Specifically, for ease of the data transfer between controller and base-station node, controller first can be distributed according to role Parameter, builds the first packet of role's allocation of parameters comprising each Target Wireless sensor；Then the first packet is sent To base-station node, to cause base-station node to distribute according to the corresponding role's packet distribution of the first packet generation, then by role Packet is sent to each Target Wireless sensor node, the role comprising Target Wireless sensor point in role's packet distribution With parameter.

It should be noted that step 11 implements process and can included：

Step 11-1, determines the network state of wireless sense network and the transmission mode of each wireless sensor node；

It is oriented between each wireless sensor node in network state, including wireless sense network in the embodiment of the present application Annexation, as illustrated in figure 1 c, each wireless sensor node in the wireless sense network provided for the embodiment of the present application it Between directed connection relation schematic diagram, the data for including perception data that controller can be sent by each wireless sensor node The network state included in bag, i.e., perception data bag described hereinafter is specific to determine to determine the network state of wireless sense network Process can be referred to and is hereinafter described.

The transmission mode of each wireless sensor node, can pass through controller pair by demand of the user according to upper layer application Each wireless sensor node is configured, such as when user wants to obtain the data of certain modality-specific as early as possible, can be passed through Controller, the transmission mode of each wireless sensor node is appointed as into the modality-specific, i.e. controller can be according to being pre-configured with Sign send the information of mode, to determine the transmission mode of each wireless sensor node, characterize send the information of mode can be with Configured by user by controller.

, can after being determined the network state of wireless sense network and the transmission mode of each wireless sensor node in controller To determine role's allocation of parameters of each wireless sensor node by performing step 11-2, so as to each wireless sensor node root The function of itself is determined according to role's allocation of parameters.

Step 11-2, according to the network state and transmission mode determined in step 11-1, determines each wireless sensor node Role's allocation of parameters, so that each wireless sensor node determines the function of itself according to its role's allocation of parameters.

Controller can be according to the network state and the transmission mode of each wireless sensor node of wireless sense network, it is determined that respectively The forwarding mode of wireless sensor node, then the transmission mode further according to each wireless sensor node and forwarding mode determine it Role's allocation of parameters.Wherein, forward mode, including each wireless sensor node to support the mode of the data of forwarding in itself, i.e., it is each Wireless sensor node is after the packet of its neighbor node transmission is received, the mode for the data that can be forwarded.

Specifically, controller determines the forwarding mode of each wireless sensor node, can pass through following two modes：

First way, first, according to network state, determines the first wireless sensor node into the path of base-station node Comprising the first set that is constituted of wireless sensor node, wherein, path here refers to communication link, then the first collection Wireless sensor node in conjunction is that the first wireless sensor node sends data to the wireless biography passed through during base-station node Sensor node；Secondly, by the transmission mode of the first wireless sensor node, it is added to the forwarding mould of the second wireless sensor node In state, you can determine the forwarding mode of the second wireless sensor node.Wherein, the first wireless sensor node is wireless sense network In any wireless sensor node, the second wireless sensor node be first set in any wireless sensor node.

As illustrated in figure 1 c, for any wireless sensor node C in the wireless sense network, controller basis first Network state, determines wireless sensor node C to the set of the wireless sensor node included in base-station node BS path { U }, can determine to include tetra- wireless sensor nodes of A, B, D and I in set { U } from Fig. 1 c；Belong to set for any The wireless sensor node of { U }, such as node B, then can be added to nothing by wireless sensor node C transmission mode s (C) , then can be respectively by wireless sensor node C transmission mode s for set { U } in line sensor node B forwarding mode (C) it is added in wireless sensor node A, B, D and I forwarding mode, then wireless sensor node A, B, D and I is being received Transmission mode will be forwarded when being s (C) data to it so that the packet can be received by base-station node.

In addition, when determining that a certain wireless sensor node is not belonging to the set of above-mentioned determination by network state, then may be used The neighbours received can not be saved as sky, the i.e. wireless sensor node using the forwarding mode for determining the wireless sensor node The packet of point is forwarded, so as to be prevented effectively from wireless sense network when transmission includes the packet of perception data, and one A little nodes are to the unnecessary forwarding of the packet received.

The second way, first controller determine the child node of the 3rd wireless sensor node in wireless sense network, will In the transmission mode and/or forwarding mode of the child node, the forwarding mode for being added to the 3rd wireless sensor node, you can it is determined that The forwarding mode of second wireless sensor node.Such as, when the forwarding mode of the child node does not forward for space-time, the i.e. child node During the data of any mode, the transmission mode of the child node is added in the forwarding mode of the 3rd wireless sensor node；Should The forwarding mode of child node is not space-time, and the transmission mode of the child node and forwarding mode are added into the 3rd wireless sensor node In the forwarding mode of point.

Wherein, controller can determine the child node of the 3rd wireless sensor node by following steps：

Step i, first controller can determine the 3rd wireless sensor node in wireless sense network according to network state To the first hop count of base-station node, and the 3rd wireless sensor node neighbor node to base-station node the second hop count, its In, the first hop count is most short hop count of the 3rd wireless sensor node to base-station node, and the second hop count is the 3rd wireless senser Most short hop count of the neighbor node of node to base-station node；

Step ii, then when it is determined that the first hop count is less than the second hop count, the neighbours of the 3rd wireless sensor node are saved Point is defined as the child node of the 3rd wireless sensor node.

It is each wireless because in the prior art, each wireless sensor node in wireless sense network is ad-hoc network, therefore The network formed after sensor node ad-hoc network can have loop network, as illustrated in figure 1 c, and node D has two to base-station node Paths：D → G → E → T and D → I → T, the hop count of this two paths is three jumps and double bounce respectively, and is saved in node D to base station When point BS transmits data, the selected paths of node D are often random, in the embodiment of the present application, can be according to the net of determination Network state determines sensor node D to the most short hop count of base-station node, then when carrying out data transmission, and selects most short hop count Path carry out data transmission, so just can by wireless sense network data transfer network delay minimize.

In the embodiment of the present application, sensor node can be determined to the most short of base-station node according to the network state of determination Hop count, specifically, controller can determine wireless sensor node according to the network state of determination by root node of base-station node Child node set, the most short hop count to base-station node.As shown in Figure 1 d, it is determined that the mode of most short hop count can include following three Individual step：The first step, from base-station node BS, after base-station node BS is accessed, successively search access BS each not by Abutment points A, E and the I accessed；Second step, sequential search access A each abutment points B, E for not being accessed each not The abutment points F and G, I each abutment points D not being accessed being accessed；3rd step, each of sequential access B is not interviewed The abutment points C, G that asked each abutment points H not being accessed.The spanning tree T of one most short hop count just can be so constructed, Spanning tree T includes the collection on the side of each wireless sensor node and each wireless sensor node composition in wireless sense network Close.

Due to determining method by most short hop count, other sections beyond the root node in the spanning tree of structure can be caused Path between point and root node is all shortest path, therefore can minimize the network delay in wireless sense network.This is most Short hop count determines that method can also be realized by breadth-first search.

When the side included during side e=e (v, u) is not T, however, it is determined that wireless sensor node u's to base-station node is most short 1, i.e. Hop (u)-Hop (v)=1 more than most short hop count of the hop count than wireless sensor node v to base-station node, then can determine nothing It is wireless biography that line sensor node v child node collection, which is combined into child (v)=child (v) ∪ { u }, i.e. wireless sensor node u, Sensor node v child node；If it is determined that wireless sensor node u to base-station node most short hop count than wireless sensor node v To most short hop count few 1, i.e. Hop (v)-Hop (u)=1 of base-station node, then wireless sensor node u child node can be determined Collection is combined into the child node that child (u)=child (u) ∪ { v }, i.e. wireless sensor node v is wireless sensor node u.Its In, side e=e (v, u), when to refer to wireless sensor node v and u that controller is determined according to network state be neighbor node, The side formed using wireless sensor node v and u by two ends end points.

After the subclass of each wireless sensor node is determined, however, it is determined that wireless sensor node v child node set Child (v) is empty set, then it is sky, i.e. wireless sensor node v that can determine wireless sensor node v forwarding mode f (v) The data of any mode are not forwarded；, then can be with if it is determined that wireless sensor node v child node set child (v) is not empty set By the transmission mode of each wireless sensor node included in its child node set child (v) and forwarding mode, it is added to wireless In sensor node v forwarding mode.

After controller determines the forwarding mode of each wireless sensor node, for any wireless in wireless sense network Sensor node v, however, it is determined that wireless sensor node v transmission mode is s (v), forwarding mode is f (v), then can determine Wireless sensor node v role's allocation of parameters is that role (v)=s (v) ∪ f (v), the i.e. wireless sensor node can be by The data modality itself produced is sent to its neighbor node for s (v) packet, the wireless sensing that can also be received The packet that the data modality that device node v neighbor node is sent belongs to f (v) is sent to its neighbor node.

The method that the application is provided can be applied in software definition wireless sense network, the software definition wireless sense network bag Controller, base-station node and at least one wireless sensor node are included, controller is determining the angle of each wireless sensor node After color allocation of parameters, role's allocation of parameters can be sent to base-station node, base-station node is receiving role distribution ginseng After number, role's allocation of parameters is sent to its neighbor node, so that each wireless sensor node is according to its role's allocation of parameters Determine the role of itself.

Below, by how to determine that the overall network state of wireless sense network is described in detail, comprise the steps：

Step I, controller determines the part wireless senser in wireless sense network according to each perception data bag received The network state of node, wherein each perception data bag is to be sent respectively by part wireless sensor node, in the perception data bag, Including for characterizing network-like state value of the wireless sensor node with the network state of its neighbor node in itself；

Because the time of each wireless sensor node is often nonsynchronous, and in the prior art, if wireless sense network In each wireless sensor node carry out time synchronized and need very high overhead, and the net of some wireless sensor nodes Network state be able to may also be lost due to the loss of its perception data bag, therefore the controller in the embodiment of the present application is received The network state of part wireless sensor node is asynchronous.

When it is determined that the network state of wireless sensor node is asynchronous, the perception sent according to the base-station node received Packet, determines the network state of each wireless sensor node, can include：

1. first, the perception data bag sent according to the base-station node received, determines to characterize network in perception data bag The network-like state value of state；

2. then, according to the network-like state value in 1., the expression formula for building n × n matrix M, M is：

Wherein, n is the number of wireless sensor node in wireless sense network,m_ij∈ M, m_ijIt is wireless pass The network-like state value for the node j that sensor node i is got from wireless sensor node j theres, as i=j, m_ijIt is wireless sensing The network-like state value of device node i in itself, M₁=[m₁₁…m_1j…m_1n], M_i=[m_i1…m_ij…m_in] ..., M_n=[m_n1…m_nj… m_nn]。

It is incomplete to avoid the network state of each wireless sensor node obtained, and is asynchronous, therefore needs Step II is performed, the network state of each wireless sensor node determined to controller is inferred, so as to realize matrix M tables The integrality and synchronism of the network state of each wireless sensor node in the wireless sense network levied.

Step II, controller determines each nothing in wireless sense network according to the network state of part wireless sensor node The network state of line sensor node.

Specifically, when controller receives the perception data bag from wireless sensor node i, first according to wireless Sensor node i perception data bag, it is determined that 1 × n matrix R comprising network-like state value_i；

Wherein, i ∈ [1, n], R_i=[r₁…r_k…r_n],NB_iIt is i neighbours' section Point, EDC_kIt is wireless sensor node k network-like state value.

When it is determined that matrix R_iIn network-like state value relative to the M in matrix M_iNetwork-like state value, be the network newly produced During state value, by the M in matrix M_iReplace with R_i。

Specifically, matrix R_iInclude sequence number q_rcvWith matrix M the i-th row M_iInclude sequence number q_lastWhen, if q_rcv>q_last, Then show matrix R_iIn network-like state value relative to the M in matrix M_iNetwork-like state value, be the network-like state value newly produced, Then controller can be by M_iReplace with R_i。

By the M in matrix M_iReplace with R_iAfterwards, due to matrix R_iIn include wireless sensor node i and its neighbor node Network-like state value, therefore, it can neighbor node by comparing wireless sensor node i the reference moment, with it is right in matrix M The reference moment for the wireless sensor node answered determines the network-like state value newly produced.

First, controller is according to expression formula t_ref(i)=t_update(i)-EDC_i×T_nodeIt is determined that generation includes m_iiPerception The reference moment t of packet_ref(i), according to expression formula t_ref(w)=t_update(w)-EDC_w×T_nodeDetermine wireless sensor node I each neighbor node generation includes r_wPerception data bag reference moment t_ref(w), w ∈ NB_i；

Then, when controller determines t_ref(i) it is more than t_ref(w) when, by m_wwReplace with r_w；

Wherein, t_update(i) it is t at the time of receiving perception data bag that wireless sensor node i is sended over_update (w) it is T at the time of receiving perception data bag that wireless sensor node w is sended over_nodeRepresent wireless sensor node Work period, EDC_iIt is wireless sensor node i network-like state value, EDC_wIt is wireless sensor node w network-like state value. It should be noted that working as m_wwReplace with r_wAfterwards, then m is shown_wwThe perception data bag that is produced by wireless sensor node i of value more Newly, therefore, the m after renewal_wwThe reference moment be t_ref(w)=t_update(i)-EDC_i×T_node。

After the network-like state value of each wireless sensor node during wireless sense network is determined, that is, determine after matrix M, if m_ij>0, then show that wireless sensor node i is wireless sensor node j neighbor node, and work as m_ii>m_jjWhen, it may be determined that A directed connection relation is constituted between wireless sensor node i and wireless sensor node j, and direction is from wireless senser Node i is to wireless sensor node j, if m_ij≤ 0, then it is not wireless sensor node j neighbours to show wireless sensor node i Node.

Because each wireless sensor node can send perception data bag to base-station node, wherein, in perception data bag, bag The network-like state value for characterizing wireless sensor node in itself with the network state of its neighbor node is included, base-station node is being received To after the perception data bag sent by the part or all of wireless sensor node in each wireless sensor node, control can be sent to Device processed, to cause the network state included in perception data bag of the controller according to the base-station node transmission received, it is determined that respectively The network state of wireless sensor node, so as to determine the overall network state of wireless sense network.

Wherein, wireless sensor node handles bag done in the determination of the overall network state of wireless sense network Include：Send perception data bag to base-station node, in the perception data bag, including for characterize wireless sensor node in itself and its The network-like state value of the network state of neighbor node, so as to the controller in wireless sense network, according to part in wireless sense network The network state of wireless sensor node, determines the network state of each wireless sensor node in wireless sense network.

Wherein, for any wireless sensor node i in wireless sensor network, perception data is sent to base-station node Bag, is specifically included：

According to the reporting cycle T of determination_mPerception data bag is sent to base-station node, wherein, reporting cycle T_mIt is according to wireless What sensor node was determined with the network state of its neighbor node in itself, reporting cycle T_mWireless sensor node i is referred to, the The time interval of m times and the m-1 times transmission perception data bag, wherein m is the integer more than 1.

It should be noted that because wireless sense network is in startup stage, each wireless sensor node in wireless sense network The network state floating of point is larger, consequently, to facilitate controller can quickly determine each wireless sensor node in startup stage Network state, wireless sensor node i the 2nd time and the 1st transmission perception data bag time interval T₁For default minimum Reporting cycle T_min。

Wireless sensor node i sends perception data bag the m+1 time and the m times after the 2nd time sends perception data bag Time interval T_m, determined by following methods：

(1) first, after the m times transmission perception data bag of wireless sensor node i, according to wireless sensor node i sheets The wireless sensor node i and the network state of its neighbor node included in the perception data bag of secondary transmission, determines fluctuation parameters.

(2) then, however, it is determined that the fluctuation parameters of the m times determination are identical with the fluctuation parameters of the m-1 times determination, and judge T_m-1+Δt≤T_max, it is determined that T_mFor T_m-1+ Δ t, wherein, Δ t is default incremental time, T_maxFor default maximum report week Phase.When it is determined that the fluctuation parameters of the m times determination are identical with the fluctuation parameters of the m-1 times determination, then show wireless sensor node Point i network state is in stable state, to reduce the pressure of controller processing data, therefore can increase T_m。

(3) it is last, however, it is determined that the fluctuation parameters of the m times determination are different from the fluctuation parameters of the m-1 times determination, and judge T_m-1*a≥T_min, it is determined that T_mFor T_m-1* a, wherein, a is default factor, and 0<a<1.When it is determined that the fluctuation ginseng of the m times determination When number is identical with the fluctuation parameters of the m-1 times determination, then show that wireless sensor node i network state is in unstable shape State, the network state of change is obtained for ease of controller, therefore can reduce T in time_m。

In the embodiment of the present application, the wireless biography included in the perception data bag that this sends according to wireless sensor node i Sensor node i and its neighbor node network state, determine fluctuation parameters, specifically include following two steps：

In step a, the perception data bag that this sends from wireless sensor node i, it is determined that characterizing wireless sensor node i Network state network-like state value EDC_iWith the length of its neighbor list | NB_i| and the net of the network state of its neighbor node Network state value.

Step b, according to expression formulaDetermine fluctuation parameters f_i, wherein, |NB_i| it is the length of wireless sensor node i neighbor list, NB_i(t) be wireless sensor node i t-th of neighbour, EDC_i It is wireless sensor node i network-like state value, EDC_NBi(t)Be wireless sensor node i t-th of neighbor node it is network-like State value,

The processing that above content is done to controller side in the network-building method of wireless sense network is described in detail, under Face will describe in detail from wireless sensor node side to the process that implements of the network-building method of wireless sense network, such as Fig. 2 Shown, the implementation process of the network-building method of the wireless sense network provided for the embodiment of the present application at wireless sensor node end is illustrated Figure, comprises the steps：

Step 21, role's allocation of parameters that base-station node is sent is received；

Specifically, role's packet distribution is received first, then when it is determined that this node realizes forwarding role's distribution data During the function of bag, then the role's packet distribution received is transmitted to the neighbor node of this node.

Wherein, each wireless sensor node possesses at least two configurable functions respectively, can include sending function and Forwarding capability, wherein sending function refer to that each wireless sensor node after collection perception data, sends and includes certain mode Perception data packet function, forwarding capability refer to when wireless sensor node receive from its neighbor node hair After the packet of the perception data comprising certain mode sent, the function that the packet can be forwarded.

It should be noted that each wireless sensor node can possess forwarding capability, can not also possess forwarding capability.When When wireless sensor node possesses forwarding capability, then show the bag that the wireless sensor node can be sent to its neighbor node The packet of perception data containing certain mode carries out forwarding operation, now, it is determined that the wireless sensor node, which is realized, to be turned Send out the function of role's packet distribution.And when wireless sensor node does not possess forwarding capability, then show the wireless senser The packet comprising perception data that node is sent to its neighbor node is operated without forwarding, now, it is determined that this is wireless The function of the unrealized forwarding role's packet distribution of sensor node.

When wireless sensor node realizes the function of forwarding role's packet distribution, then the role received is distributed Packet is transmitted to its neighbor node, and when the wireless sensor node is not carried out forwarding the function of role's packet distribution When, then operated without forwarding, so as to avoid the wireless sensor node for not possessing forwarding role's packet distribution function Unnecessary forwarding operation is carried out to the packet received.

, can be according to the mark of itself for ease of each Target Wireless sensor node after role's packet distribution is received Determine its role's allocation of parameters, role's packet distribution can also the mark comprising each Target Wireless sensor node, with it is each The one-to-one relationship of role's allocation of parameters of Target Wireless sensor node, then step 21 can include following process：

(1) role's packet distribution is received；

(2) mark of the Target Wireless sensor in role's packet distribution is corresponding with role's allocation of parameters closes System, it is determined that role's allocation of parameters corresponding with the mark of this wireless sensor node.

Each Target Wireless sensor node, can be by performing after role's allocation of parameters of base-station node transmission is received Step 22 realizes function corresponding with role's allocation of parameters.

Step 22, the value of the configurable attribute of this node is set according to role's allocation of parameters, realized and role's allocation of parameters Corresponding function.

Wherein, the value of attribute is can configure, refers to what each wireless sensor node can be set according to role's allocation of parameters, So as to realize the value of function corresponding with role's allocation of parameters.Such as can be to characterize wireless sensor node to realize transmission this section The value of the data of certain mode of point collection, or sign wireless sensor node are realized and forward this node to receive neighbours' section The value of the data of certain mode of point.

Each wireless sensor node is it is determined that after the corresponding role's allocation of parameters of this node, realize that the role with determining distributes The corresponding function of parameter.

Because wireless sense network is in Duty Cycle mode of operations and the unreliability of Radio Link, some are wireless to pass Sensor node may miss role's distribution data of above-mentioned steps transmission due to the reason such as unreliable of dormancy or Radio Link Bag, thus the function defevent experiment role distribution procedure distribution being likely to result between two neighboring wireless sensor node 's.Therefore, first version number can be included in role's packet distribution, first version number is used to distinguish each transmission of controller First version number is added to by role's allocation of parameters, each wireless sensor node first after role's packet distribution is received In the second packet to be sent, the second packet can be wireless sensor node arbitrary data bag to be sent, such as may be used To be the packet for including perception data, such wireless sensor node after the arbitrary data bag that neighbor node is sent is received, It can judge whether to need to update the function of itself.The packet that wireless sensor node is sent according to neighbor node judges The no process for needing to update itself function includes：

Step 31, after the 3rd packet of the first neighbor node transmission is received, determine it is being included in the 3rd packet, For the second edition number for the role's allocation of parameters for distinguishing each transmission of controller；

3rd packet mentioned here can be the arbitrary data bag that the first neighbor node is sent, such as can be above The described packet for including perception data.

Specifically, version number is the unique mark that role distributes precedence, i.e., new and old unique mark.Version number can be with It is to be generated and safeguarded by controller, the general role distribution more forward than generation time of the role's distribution of generation time rearward has number The bigger version number of value.Controller can transmit the version of role distribution simultaneously when sending the first packet to base-station node This number.This version number is placed in the header field of packet by base-station node when encapsulating the bag of transmission role distribution.Respectively Wireless sensor node can safeguard the highest version number of its local role's distribution, referred to as node version number in itself.Section Point judges the new and old of version, i.e. normal conditions by version number's magnitude relationship in comparison node version number and the packet received Under version number in a certain packet it is more big, show that its role distribution is newer.

Step 32, according to first version number and the second edition number, version and the first neighbours of this node itself function are compared The version of nodal function it is new and old；

The embodiment of the present application provides a kind of optional embodiment, it is assumed that each controller is using increment as maintenance release No. 1 Distribution, then bit length is L version number field and is only capable of 0~2^L-1 of expression, and common 2^L version number have version number's use Most special circumstances.Now, to avoid version number's deterministic process from mistake occur, a kind of method of recycling can be taken, if Controller determines that version number has used 2^L-1, i.e. maximum by incremental mode, then circulates next version number and be 0 and continue be incremented by.So, in the new and old of the version number a and some packet of relatively wireless sensor node the version number b carried During relation, just it can make the following judgment：For a>B, however, it is determined that a-b<=2^ (L-1), then can determine that version number a is newer than b, Otherwise, version number a is older than b；For a=b, it is believed that a is consistent with b versions；For a<B, if b-a<=2^ (L-1), then version number a Older than b, otherwise, version number a is newer than b.

When the version of this node itself function is legacy version relative to the version of its neighbor node function, then to its neighbour Node send comprising ask its redaction role distribution packet, its neighbor node after the packet is received, then to This node sends role's packet distribution corresponding with its own function, to cause this section point to be distributed according to the role received The role's allocation of parameters included in packet, realizes function corresponding with role's packet distribution.When this node itself function Version relative to its neighbor node function version be redaction when, then perform step 33.

Step 33, when the version of this node itself function is redaction relative to the version of the first neighbor node function, Role's packet distribution corresponding with the version of this node itself function is then sent to the first neighbor node, so as to the first neighbours Node realizes work(corresponding with role's packet distribution according to the role's allocation of parameters included in role's packet distribution Energy.

Step 34, when version of the version relative to the first neighbor node function of wireless sensor node itself function is old During version, it is corresponding with the version of the first neighbor node function that the wireless sensor node asks the first neighbor node to send first Role's packet distribution is to this node, the role point included in the role's packet distribution then sent according to the first neighbor node With parameter, function corresponding with role's packet distribution is realized.

Specifically, when wireless sensor node determines version of the version relative to its neighbor node function of its own function During for legacy version, the wireless sensor node will send a request data package to its neighbor node, for asking latest edition The version of role's distribution of the version number's request desired by the node included in this role's distribution, the packet header of the request data package This number.

To avoid the wireless sensor node it is determined that the version of itself is relative to the version of its neighbor node function During legacy version, substantial amounts of request data package can be sent to its neighbour, cause information redundancy, the embodiment of the present application provides a kind of optional Embodiment, when the neighbor node of the wireless sensor node receives request data package, can reply one confirmation data Bag, for representing that the neighbor node of the wireless sensor node receives the request data package, and can send this version immediately Role distribute to the wireless sensor node.The confirmation packet is used to block the wireless sensor node to continue to send request Packet gives its neighbor node, so as to avoid excessive neighbor node from replying, causes information redundancy.

In addition, in the embodiment of the present application, when wireless sensor node determines the version and its neighbor node of its own function The version of function to be inconsistent, and the wireless sensor node and its neighbor node in the transmission path of a data when, Because both version numbers are inconsistent, it is possible to cause packet that the phenomenon of packet loss occurs in transmitting procedure.

To solve the above problems, the embodiment of the present application introduces a kind of concept of omnidirectional's mode, omnidirectional's mode refers to any Wireless sensor node receives the packet for being marked with omnidirectional's mode, and the one kind that can be forwarded to the packet is special Different mode.I.e. when the version of wireless sensor node itself function is redaction relative to the version of its neighbor node function, Then addition omnidirectional mode is identified in the 3rd packet that the neighbor node received is sent, to receive the 3rd data The wireless sensor node of bag, is forwarded according to omnidirectional's mode mark to the 3rd packet.

In addition, each wireless sensor node in wireless sense network in the data transmission implement process, can wrap Include following step：

Step 41, the first perception data bag that the second neighbor node is sent is received, comprising the in the first perception data bag The perception data of two neighbor nodes collection and the network state of the second neighbor node；

Step 42, according to the first perception data bag received, the mode of perception data is determined；

Step 43, judge this node whether realize forward the mode data function, and the second neighbor node net Whether network state meets forwarding condition；

Step 44, however, it is determined that this node realize forward the mode data function, and the second neighbor node network State meets forwarding condition, then the perception data bag received is forwarded；

Step 45, however, it is determined that the function of the data of the unrealized forwarding mode of this node, and/or, the second neighbor node Network state is unsatisfactory for forwarding condition, then the perception data bag received is abandoned.

It should be noted that being the structural representation for the controller that the embodiment of the present application 1 is provided, the control as shown in fig. le Device processed includes：South orientation communication module, network topology management module, role creation module and north orientation Subscriber Interface Module SIM.

Wherein, south orientation communication module, for the serial data bag for parsing, assembling and base-station node communicates, i.e. the first data Bag, serial communication interface of the realization based on the corresponding operating system encapsulation of wireless sensor node of the module.

Network topology management module, the network state for integrating the neighbor node being included in perception data bag, is WSN Upper layer application provide a wireless sense network overall network state information query interface.

Role creation module, role's allocation of parameters for determining each Target Wireless sensor node.

North orientation Subscriber Interface Module SIM, for providing the user, the network state information of packaged wireless sense network, such as connects The general character, expectation number of retransmissions of wireless sensor node etc., and role's allocation of parameters of each Target Wireless sensor node are set Stationary interface.

Embodiment 2

Based on the identical inventive concept of previous embodiment 1, the embodiment of the present application provides a kind of networking of wireless sense network Device, for solving the upper layer application of wireless sensor node in the prior art and the problem of stronger underlying protocol stack coupling.

As shown in figure 3, a kind of network device of the wireless sense network provided for the embodiment of the present application 2, the wireless sense network Including controller, at least one base-station node and at least one wireless sensor node, at least one wireless sensor node, Comprising at least one Target Wireless sensor node, each Target Wireless sensor node possesses at least two configurable work(respectively Can, including following functional unit：

Determining unit 31, role's allocation of parameters for determining each Target Wireless sensor node respectively；

Transmitting element 32, for sending role's allocation of parameters to base-station node, so that base-station node will be received by controlling Role's allocation of parameters that device processed is sent, is sent to each Target Wireless sensor node, to cause each Target Wireless sensor node Role's allocation of parameters is received, the value of the configurable attribute of Target Wireless sensor node in itself is set according to role's allocation of parameters, Realize function corresponding with role's allocation of parameters.

The specific workflow of said apparatus embodiment is that first, determining unit 31 determines each Target Wireless sensing respectively Role's allocation of parameters of device node, then, transmitting element 32 send role's allocation of parameters, so as to base-station node to base-station node By the role's allocation of parameters sent by controller received, each Target Wireless sensor node is sent to, to cause each target Wireless sensor node receives role's allocation of parameters, according to role's allocation of parameters set Target Wireless sensor node in itself can The value of configuration attribute, realizes function corresponding with role's allocation of parameters.

So when expecting the performance of adjustment WSN upper layer applications, each Target Wireless sensor can be determined respectively first Role's allocation of parameters of node, then sends role's allocation of parameters to base-station node, so as to base-station node will receive by Role's allocation of parameters that controller is sent, is sent to each Target Wireless sensor node so that each Target Wireless sensor node The value of the configurable attribute of its own can be set according to its role's allocation of parameters, so as to realize corresponding with role's allocation of parameters Function, so as to solve the problem of WSN upper layer application and underlying protocol stack coupling in the prior art are stronger.

In the embodiment of the present application, the embodiment of wireless sense network networking can have many kinds, in a kind of embodiment party In formula, to solve WSN upper layer application in the prior art and the problem of stronger underlying protocol stack coupling, determining unit 31, tool Body is used for：

The information of each Target Wireless sensor node role's allocation of parameters of sign is determined respectively；

According to the information of determination, role's allocation of parameters of each Target Wireless sensor node is determined respectively.

In one embodiment, to meet the demand of upper layer application, above- mentioned information can include following at least one：

The network state information of wireless sense network；

The modal information of wireless sense network；

By the information of role's allocation of parameters of each Target Wireless sensor node of sign of user's input controller.

In one embodiment, network state information can be by the determination of following function unit：

Receiving unit 33, the perception data bag for receiving wireless sensor node transmission, perception data bag includes Expect number of retransmissions and network topology adjacency list；

Resolution unit 34, for being parsed to perception data bag；

Information determination unit 35, it is network-like for being determined according to the expectation number of retransmissions and network topology adjacency list that parse State information.

During to avoid wireless sense network from being in Duty Cycle mode of operations, some wireless sensers in wireless sense network Node is likely to be at resting state, causes the network state information of the wireless sense network of determination imperfect, in a kind of embodiment In, when network state information is the overall network state information of wireless sense network, the overall network state of the wireless sense network Information is determined by following function unit：

Unit 36 is determined entirely by, is sent for the part wireless sensor node in the wireless sensor network received Perception data bag, determine the overall network state information of wireless sense network.

In one embodiment, because perception data bag includes the network state letter of the wireless sensor node in itself Breath, and the wireless sensor node neighbor node network state information, then be determined entirely by unit 36, specifically for：

According to the neighbor node of the network state information of each node in itself in the wireless sensor node of part, and each node Network state information, determine the overall network state information of wireless sense network.

In one embodiment, after the overall network state information of wireless sense network is determined, determining unit 34 can With specifically for：

According to the performance requirement desired value of upper layer application, and the overall network state information of the wireless sense network determined and Modal information, determines role's allocation of parameters of each Target Wireless sensor node.

In one embodiment, for ease of the data transfer between controller and base-station node, and base-station node and nothing Data transfer between line sensor node, transmitting element 32, specifically for：

According to role's allocation of parameters, the first data of role's allocation of parameters comprising Target Wireless sensor node are built Bag；

First packet is sent to base-station node, to cause base-station node to generate corresponding role according to the first packet Packet distribution, each Target Wireless sensor node is sent to by role's packet distribution, is wrapped in role's packet distribution Role's allocation of parameters of the sensor containing Target Wireless.

Embodiment 3

Based on a kind of wireless sense network provided with the identical inventive concept of previous embodiment 1 and 2, the embodiment of the present application Network device, the wireless sense network includes controller, at least one base-station node and at least one wireless sensor node, at least In one wireless sensor node, at least one Target Wireless sensor node, each Target Wireless sensor node, difference are included Possess at least two configurable functions, as shown in figure 4, including following function unit：

Receiving unit 41, role's allocation of parameters for receiving base-station node transmission；

Function realizes unit 42, the configurable attribute for setting Target Wireless sensor node according to role's allocation of parameters Value, realize corresponding with role's allocation of parameters function.

The specific workflow of said apparatus embodiment is that first, receiving unit 41 receives the role that base-station node is sent Allocation of parameters, then, function realize unit 42, and the configurable category of Target Wireless sensor node is set according to role's allocation of parameters Property value, realize corresponding with role's allocation of parameters function.So when expecting the performance of adjustment WSN upper layer applications, just may be used With receive base-station node transmission role's allocation of parameters, and according to role's allocation of parameters set Target Wireless sensor node can The value of configuration attribute, realizes function corresponding with role's allocation of parameters, so as to solve the upper layer application of WSN in the prior art With underlying protocol stack coupling it is stronger the problem of.

In the embodiment of the present application, the embodiment of wireless sense network networking can have many kinds, in a kind of embodiment party In formula, to avoid some wireless sensor nodes from operating the unnecessary forwarding for receiving role's packet distribution, number is caused According to redundancy, receiving unit 41, specifically for：

Receive role's packet distribution；

When it is determined that this node realizes the function of forwarding role's packet distribution, then the role received is distributed into data Bag is transmitted to the neighbor node of this node.

In one embodiment, for ease of each Target Wireless sensor node after role's packet distribution is received, Its role's allocation of parameters can be determined according to the mark of itself, when in role's packet distribution comprising each Target Wireless sensor During the corresponding relation of mark and role's allocation of parameters, receiving unit 41, specifically for：

Receive role's packet distribution；

The mark of Target Wireless sensor in role's packet distribution and the corresponding relation of role's allocation of parameters, really Fixed role's allocation of parameters corresponding with the mark of this wireless sensor node.

In one embodiment, due to wireless sense network Duty Cycle mode of operations and Radio Link can not By property, some wireless sensor nodes may miss above-mentioned steps hair due to the reason such as unreliable of dormancy or Radio Link The role's packet distribution sent, thus the function defevent experiment angle being likely to result between two neighboring wireless sensor node The distribution of color distribution procedure.Therefore, first version number can also be included in role's packet distribution, the first version number is used for area Role's allocation of parameters of each transmission of sub-controller, described device also includes：

Adding device 43, for after function corresponding with role's allocation of parameters of determination is realized, first version number to be added It is added in the second packet to be sent；

Transmitting element 44, neighbor node of the second packet of first version number to this node is with the addition of for sending.

In one embodiment, to avoid wireless sensor node in data transmission procedure, function between adjacent node Version it is inconsistent, described device also includes：

Version number's determining unit 45, for after the 3rd packet of the first neighbor node transmission is received, it is determined that receiving To the 3rd packet in include, the second edition number of role's allocation of parameters for distinguishing the transmission of each time of controller；

Version number's comparing unit 46, for according to first version number and the second edition number, comparing this node itself function Version is new and old with the version of the first neighbor node function；

Unit 47 is realized, for the version when wireless sensor node itself function relative to the first neighbor node function When version is redaction, then role's packet distribution corresponding with the version of wireless sensor node itself function is sent to the One neighbor node, so that the first neighbor node is according to the role's allocation of parameters included in role's packet distribution, is realized with being somebody's turn to do The corresponding function of role's packet distribution.

In one embodiment, described device also includes：

Request unit 48, for the version when wireless sensor node itself function relative to the first neighbor node function When version is legacy version, the first neighbor node of request sends role's distribution data corresponding with the version of the first neighbor node function Wrap to this node；

Function realizes unit 49, for the role point included in role's packet distribution for being sent according to the first neighbor node With parameter, function corresponding with role's packet distribution is realized.

In one embodiment, described device also includes：

Receiving unit 410, for receiving the first perception data bag that the second neighbor node is sent, the first perception data bag In comprising the second neighbor node gather perception data and the second neighbor node network state；

Mode determining unit 411, for according to the first perception data bag received, determining the mode of perception data；

Condition judgment unit 412, for judging whether this node realizes the function for the data for forwarding the mode, and second Whether the network state of neighbor node meets forwarding condition；

Retransmission unit 413, for if it is determined that this node realizes the function for the data for forwarding the mode, and the second neighbours section The network state of point meets forwarding condition, then the perception data bag received is forwarded.

Embodiment 4

Based on previous embodiment 1,2 and 3 identical inventive concepts, the embodiment of the present application provides a kind of wireless sense network Group network system, as shown in figure 5, the wireless sense network includes controller, at least one base-station node and at least one wireless sensing Device node；In at least one described wireless sensor node, at least one Target Wireless sensor node, each target are included Wireless sensor node, possesses at least two configurable functions respectively.

Role's allocation of parameters is sent to the base-station node；

The base-station node, for by the role's allocation of parameters sent by the controller received, being sent to Each Target Wireless sensor node；

Optionally, the controller, specifically for：

According to described information, each Target Wireless sensor node role's allocation of parameters is determined respectively.

Optionally, described information, including following at least one：

The network state information of the wireless sense network；

The modal information of the wireless sense network；

The letter of role's allocation of parameters of each Target Wireless sensor node of sign of the controller is inputted by user Breath.

Optionally, when the network state information of described information including the wireless sense network, then the controller, specifically For：

The perception data bag that the wireless sensor node is sent is received, the perception data bag includes expecting re-transmission time Number, network topology adjacency list；

The perception data bag is parsed；

Expectation number of retransmissions and network topology adjacency list according to parsing determine the network state information.

Optionally, the network state information is the overall network state information of the wireless sense network；

The controller, specifically for：

The perception data bag that part wireless sensor node in the wireless sensor network received is sent, really The overall network state information of the fixed wireless sense network.

Optionally, the perception data bag includes the network state information wireless sensor node in itself, and the nothing The network state information of line sensor node neighbor node；

The controller, specifically for：

According to the neighbours of the network state information of each node in itself in the part wireless sensor node, and each node The network state information of node, determines the overall network state information of the wireless sense network.

Optionally, the controller, specifically for：

According to the performance requirement desired value of upper layer application, and the overall network state letter of the wireless sense network determined Breath and modal information, determine role's allocation of parameters of each Target Wireless sensor node.

Optionally, the controller, specifically for：

According to role's allocation of parameters, first of role's allocation of parameters comprising each Target Wireless sensor is built Packet；

First packet is sent to base-station node；To cause the base-station node to be given birth to according to first packet Into corresponding role's packet distribution, role's packet distribution is sent to each Target Wireless sensor node, institute State role's allocation of parameters that each Target Wireless sensor is included in role's packet distribution.

Optionally, each Target Wireless sensor node, respectively specifically for：

Receive role's packet distribution；

When it is determined that this node realizes the function of forwarding role's packet distribution, then the role received is distributed Packet is transmitted to the neighbor node of this node.

Optionally, the mark comprising each Target Wireless sensor and role's allocation of parameters in role's packet distribution Corresponding relation；Each Target Wireless sensor node, respectively specifically for：

Receive role's packet distribution；

The mark of each Target Wireless sensor in role's packet distribution and role's allocation of parameters Corresponding relation, it is determined that role's allocation of parameters corresponding with the mark of this node；

According to role's allocation of parameters, function corresponding with the role's allocation of parameters determined is realized.

Optionally, first version number is also included in role's packet distribution, the first version number is used to distinguish institute State role's allocation of parameters of each time of controller transmission, the Target Wireless sensor node, specifically for：

After function corresponding with role's allocation of parameters of determination is realized, the first version number is added to be sent In second packet；

Send neighbor node of the second packet that with the addition of the first version number to this node.

Optionally, the Target Wireless sensor node, specifically for：

After the 3rd packet of the first neighbor node transmission is received, it is determined that being wrapped in the 3rd packet received The second edition number contain, role's allocation of parameters for distinguishing each transmission of the controller；

According to the first version number and the second edition number, compare the version and described first of this node itself function The version of neighbor node function it is new and old；

When the version of the wireless sensor node itself function relative to the version of the first neighbor node function is During redaction, then first role packet distribution corresponding with the version of the wireless sensor node itself function is sent to First neighbor node, so that first neighbor node is according to the role included in the first role packet distribution point With parameter, function corresponding with the first role packet distribution is realized.

Optionally, the Target Wireless sensor node, specifically for：

When the version of the wireless sensor node itself function relative to the version of the first neighbor node function is During legacy version, first neighbor node is asked to send second role point corresponding with the version of the first neighbor node function Packet is sent out to this node；

According to the role's allocation of parameters included in the second role packet distribution, realize and distribute with the second role The corresponding function of packet.

Optionally, each wireless sensor node, also particularly useful for：

Receive and described second is included in the first perception data bag of the second neighbor node transmission, the first perception data bag The perception data of neighbor node collection and the network state of second neighbor node；

According to the first perception data bag received, the first mode of perception data is determined；

If it is determined that this node realizes the function for the data for forwarding the first mode, and the net of second neighbor node Network state meets forwarding condition, then the perception data bag received is forwarded.

It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware Apply the form of example.Moreover, the application can be used in one or more computers for wherein including computer usable program code The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) The form of product.

The application be with reference to the method for the embodiment of the present application, the flow chart of equipment (system) and computer program product and/ Or block diagram is described.It should be understood that can by each flow in computer program instructions implementation process figure and/or block diagram and/ Or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided To the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce one Individual machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing The device for the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.

These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or The function of being specified in multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in individual square frame or multiple square frames.

In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net Network interface and internal memory.

Internal memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/or The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium Example.

Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moved State random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electric erasable Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only storage (CD-ROM), Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus Or any other non-transmission medium, the information that can be accessed by a computing device available for storage.Define, calculate according to herein Machine computer-readable recording medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.

It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability Comprising so that process, method, commodity or equipment including a series of key elements are not only including those key elements, but also wrap Include other key elements being not expressly set out, or also include for this process, method, commodity or equipment intrinsic want Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including key element Also there is other identical element in process, method, commodity or equipment.

Embodiments herein is these are only, the application is not limited to.To those skilled in the art, The application can have various modifications and variations.All any modifications made within spirit herein and principle, equivalent substitution, Improve etc., it should be included within the scope of claims hereof.

Claims

1. a kind of network-building method of wireless sense network, it is characterised in that the wireless sense network includes controller, at least one base Tiny node and at least one wireless sensor node；In at least one described wireless sensor node, at least one target is included Wireless sensor node；Each Target Wireless sensor node, possesses at least two configurable functions respectively；Methods described Including：

Role's allocation of parameters is sent to the base-station node, so that the base-station node will be received by the controller The role's allocation of parameters sent, is sent to each Target Wireless sensor node, to cause each Target Wireless to pass Sensor node receives role's allocation of parameters, and the Target Wireless sensor node is set according to role's allocation of parameters The value of configurable attribute, realizes function corresponding with role's allocation of parameters.

2. the method as described in claim 1, it is characterised in that described to determine each Target Wireless sensor node respectively Role's allocation of parameters, including：

According to described information, role's allocation of parameters of each Target Wireless sensor node is determined respectively.

3. method as claimed in claim 2, it is characterised in that described information, including following at least one：

The network state information of the wireless sense network；

The modal information of the wireless sense network；

The information of role's allocation of parameters of each Target Wireless sensor node of sign of the controller is inputted by user.

4. method as claimed in claim 3, it is characterised in that the network state information is determined by following methods：

Receive the perception data bag that the wireless sensor node is sent, the perception data bag include expecting number of retransmissions with Network topology adjacency list；

The perception data bag is parsed；

5. method as claimed in claim 4, it is characterised in that when the network state information is that the wireless sense network is overall Network state information when, the overall network state information of the wireless sense network is determined by following methods：

The perception data bag that part wireless sensor node in the wireless sensor network received is sent, determines institute State the overall network state information of wireless sense network.

6. method as claimed in claim 5, it is characterised in that the perception data bag includes the wireless sensor node in itself Network state information, and the wireless sensor node neighbor node network state information, determine the wireless sense network Overall network state information, is specifically included：

According to the neighbor node of the network state information of each node in itself in the part wireless sensor node, and each node Network state information, determine the overall network state information of the wireless sense network.

7. the method as described in claim 1-6 is any, it is characterised in that determine the angle of each Target Wireless sensor node Color allocation of parameters, is specifically included：

8. the method as described in claim 1, it is characterised in that send role's allocation of parameters, tool to the base-station node Body includes：

According to role's allocation of parameters, first of role's allocation of parameters comprising each Target Wireless sensor node is built Packet；

First packet is sent to base-station node, to cause the base-station node according to first packet generation pair The role's packet distribution answered, each Target Wireless sensor node, the angle are sent to by role's packet distribution Role's allocation of parameters of each Target Wireless sensor is included in color packet distribution.

9. a kind of network-building method of wireless sense network, it is characterised in that the wireless sense network includes at least one base-station node With at least one wireless sensor node；In at least one described wireless sensor node, passed comprising at least one Target Wireless Sensor node；Each Target Wireless sensor node, possesses at least two configurable functions respectively；Methods described is applied to each institute State in Target Wireless sensor node, methods described includes：

Receive role's allocation of parameters that the base-station node is sent；

The value of the configurable attribute of the Target Wireless sensor node is set according to role's allocation of parameters, realize with it is described The corresponding function of role's allocation of parameters.

10. method as claimed in claim 9, it is characterised in that receive role's allocation of parameters that the base-station node is sent, tool Body includes：

Receive role's packet distribution；

11. method as claimed in claim 10, it is characterised in that when including each target in role's packet distribution During the corresponding relation of the mark of wireless senser and role's allocation of parameters, role's packet distribution is received, is specifically included：

Receive role's packet distribution；

The mark of each Target Wireless sensor in role's packet distribution is corresponding with role's allocation of parameters Relation, it is determined that role's allocation of parameters corresponding with the mark of this node.

12. method as claimed in claim 11, it is characterised in that first version is also included in role's packet distribution Number, the first version number is used for the role's allocation of parameters for distinguishing each transmission of the controller, and methods described also includes：

After function corresponding with role's allocation of parameters of determination is realized, the first version number is added to be sent second In packet；

13. method as claimed in claim 12, it is characterised in that methods described also includes：

After the 3rd packet of the first neighbor node transmission is received, it is determined that being included in the 3rd packet received , the second edition number of role's allocation of parameters for distinguishing the transmission of each time of the controller；

According to the first version number and the second edition number, compare the version of this node itself function and first neighbours The version of nodal function it is new and old；

When the version of the wireless sensor node itself function relative to the version of the first neighbor node function is new edition This when, then first role packet distribution corresponding with the version of the wireless sensor node itself function is sent to described First neighbor node, joins so that first neighbor node is distributed according to the role included in the first role packet distribution Number, realizes function corresponding with the first role packet distribution.

14. method as claimed in claim 13, it is characterised in that methods described also includes：

When the version of the wireless sensor node itself function relative to the version of the first neighbor node function is old edition This when, first neighbor node is asked to send second role distribution number corresponding with the version of the first neighbor node function According to bag to this node；

According to the role's allocation of parameters included in the second role packet distribution, realize and distribute data with the second role Wrap corresponding function.

15. method as claimed in claim 14, it is characterised in that methods described also includes：

Receive and second neighbours are included in the first perception data bag of the second neighbor node transmission, the first perception data bag The perception data of node collection and the network state of second neighbor node；

If it is determined that this node realizes the function for the data for forwarding the mode, and the network state of second neighbor node is met Forwarding condition, then forward to the perception data bag received.

16. a kind of network device of wireless sense network, it is characterised in that the wireless sense network include controller, at least one Base-station node and at least one wireless sensor node；In at least one described wireless sensor node, at least one mesh is included Mark wireless sensor node；Each Target Wireless sensor node, possesses at least two configurable roles respectively；Described device bag Include：

Transmitting element, for sending role's allocation of parameters to the base-station node, so that the base-station node will be received The role's allocation of parameters sent by the controller, be sent to each Target Wireless sensor node, it is each to cause The Target Wireless sensor node receives role's allocation of parameters, according to role's allocation of parameters set the target without The value of the configurable attribute of line sensor node, realizes function corresponding with role's allocation of parameters.

17. a kind of network device of wireless sense network, it is characterised in that the wireless sense network include controller, at least one Base-station node and at least one wireless sensor node；In at least one described wireless sensor node, at least one mesh is included Mark wireless sensor node；Each Target Wireless sensor node, possesses at least two configurable roles respectively；Methods described should For in each Target Wireless sensor node, described device to include：

Function realizes unit, the configurable category for setting the Target Wireless sensor node according to role's allocation of parameters Property value, realize corresponding with role's allocation of parameters function.

18. a kind of group network system of wireless sense network, it is characterised in that the wireless sense network include controller, at least one Base-station node and at least one wireless sensor node；In at least one described wireless sensor node, at least one mesh is included Mark wireless sensor node；Each Target Wireless sensor node, possesses at least two configurable roles respectively；

Role's allocation of parameters is sent to the base-station node；