CN102917079A - Method for automatically configuring IPv6 (internet protocol version 6) address in wireless sensor network - Google Patents
Method for automatically configuring IPv6 (internet protocol version 6) address in wireless sensor network Download PDFInfo
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Abstract
The invention discloses a method for automatically configuring an IPv6 (internet protocol version 6) address in a wireless sensor network. The method comprises the following steps: firstly, the wireless sensor network is divided into a plurality of sector or sectoral annular sections which have equal areas and take a gateway node as a center; each section comprises one sensor node or more sensor nodes; a sub-network prefix of the wireless sensor network is broadcasted to the whole network by the gateway node; the sub-network prefix is obtained by all sensor nodes in the wireless sensor network according to the received broadcast message; section marks of the sections on which the sensor nodes are located are configured by the sensor nodes according to geographical location information; node marks are generated at random by the sensor nodes, and the IPv6 addresses of the sensor nodes by the node marks as well as the sub-network prefix and the section marks. Through the method, the problem of automatic configuration of the IPv6 address in the wireless sensor network can be solved; message switching cost is saved, and the method is suitable for the wireless sensor network with limited resources.
Description
Technical field
The present invention relates to Internet technical field, relate in particular to the method that the IPv6 address disposes automatically in a kind of wireless sensor network.
Background technology
At present, along with wireless sensor network (Wireless Sensor Networks, WSN) the continuous maturation with Next Generation Internet protocol IP v6 develops, in wireless sensor network, use the IPv6 agreement, realize the wireless sensor network of all-IP, become a kind of important technical that the Internet of Things such as Smart Home, Industry Control, intelligent building, health care, environmental monitoring are used.The matter of utmost importance that realizes the IPv6 wireless sensor network is: give the unique IPv6 address of the automatic configuration of each sensor node in the wireless sensor network.Address automatically configuration is the important technology characteristics of IPv6, can be unmanned for being 128 unique IPv6 addresses of each interface configuration in the network in the intervention situation, and this puts the designing requirement that also just in time meets wireless sensor network self-configuring, self-organizing.
In the prior art scheme, the method that the IPv6 address disposes employing automatically has two kinds: the stateless address that has state address automatically to dispose and find based on neighbours based on DHCP disposes automatically.Have in the automatic configuration of state address, network node sends address request to Dynamic Host Configuration Protocol server, is that node is distributed the IPv6 address unitedly by Dynamic Host Configuration Protocol server; During stateless address disposed automatically, node generated the IPv6 address according to its interface identifier stateless, used neighbor discovery messages to carry out the address duplicate detection, to guarantee the address uniqueness.
But different from the subnet of general the Internet, wireless sensor network topology generally presents the characteristics of multi-hop, network comprises a plurality of overlapped Radio Links, so no matter be that existing IPv6 has state address automatically to dispose or stateless address disposes automatically, in wireless sensor network, use and all can bring a large amount of message expenses, bring huge challenge for the resource-constrained wireless sensor networks such as energy, storage.
Summary of the invention
The purpose of this invention is to provide the method that the IPv6 address disposes automatically in a kind of wireless sensor network, can solve the automatic allocation problem in IPv6 address in the wireless sensor network, and save the message expense, be suitable for resource-constrained wireless sensor network.
The objective of the invention is to be achieved through the following technical solutions, the method that the IPv6 address disposes automatically in a kind of wireless sensor network, described method comprises:
Wireless sensor network is divided into the sector of the fan-shaped or fan annular that a plurality of areas centered by gateway node equate, comprise one or more sensor nodes in each sector, and the sector mark of each sector comes unique identification by abstract polar coordinates, and these abstract polar coordinates comprise: radius coordinate and polar angle coordinate;
In the netinit stage, broadcast the subnet prefix of described wireless sensor network by described gateway node to the whole network, all the sensors node in the described wireless sensor network obtains this subnet prefix according to received broadcast;
Described sensor node disposes the sector mark of this sector, sensor node place according to geographical location information;
Described sensor node generates node identification at random, and in this sensor node place Sector Range, carry out duplicate detection for this node identification, if duplicate detection success, then this node identification and described subnet prefix and described sector mark form the IPv6 address of described sensor node.
Described wireless sensor network is divided into the sector of the fan-shaped or fan annular that a plurality of areas centered by gateway node equate, specifically comprises:
Wireless sensor network is respectively a by radius centered by gateway node, 2a ..., k*a ... concentric circles described wireless sensor network is divided into the combination of a circle and a plurality of annulars; Wherein, radius is that the circle of a is divided into 4 sector regions, and each sector region is called a sector; Radius is that the inner circle of k*a and the annular of the cylindrical composition that radius is (k+1) * a are divided into 4*(2k+1) individual fan annular region, each fan annular region is called a sector.
The abstract polar coordinates of described sector mark comprise: radius coordinate and polar angle coordinate; Wherein, interior radius of circle is that the radius coordinate of the sector of k*a is k, and the polar angle coordinate is the sequence number of this sector in the sector with same radius coordinate;
Described sensor node disposes the sector mark of this sector, sensor node place according to geographical location information, specifically comprises:
Described gateway node is made as the polar coordinates limit with the geographical coordinate of self, and select neighbours' gateway node as the polar coordinates flag node, with described polar coordinates limit to the direction of this neighbours' gateway node as polar pole axis direction, thereby set up polar coordinate system;
Described gateway node is announced the geographical coordinate of this gateway node and polar coordinates flag node to the whole network, and described sensor node is determined its coordinate (r in described polar coordinate system according to announcement message and the geographical coordinate of self
N, φ
N);
Described sensor node is according to this coordinate (r
N, φ
N), determined the sector mark of this sector, sensor node place by following formula:
Wherein, a represents the semidiameter of described sector inside and outside circle.
Described method also comprises: the IPv6 address of described sensor node is compressed according to certain rule, is specially:
The identical subnet prefix of all the sensors nodes sharing in the described wireless sensor network, and when in net, communicating by letter, omit this subnet prefix, compress the IPv6 address of described sensor node.
Described method also comprises: the polar angle coordinate in the IPv6 address of described sensor node partly uses elongated figure place to represent, the near sensor node of the described gateway node of distance uses the polar angle coordinate of short figure place to represent, further compresses the IPv6 address of described sensor node.
As seen from the above technical solution provided by the invention, at first wireless sensor network is divided into the sector of the fan-shaped or fan annular that a plurality of areas centered by gateway node equate, comprise one or more sensor nodes in each sector, and the sector mark of each sector comes unique identification by abstract polar coordinates, and these abstract polar coordinates comprise: radius coordinate and polar angle coordinate; In the netinit stage, broadcast the subnet prefix of described wireless sensor network by described gateway node to the whole network, all the sensors node in the described wireless sensor network obtains this subnet prefix according to received broadcast; Described sensor node disposes the sector mark of this sector, sensor node place according to geographical location information; Described sensor node generates node identification at random, and in this sensor node place Sector Range, carry out duplicate detection for this node identification, if duplicate detection success, then this node identification and described subnet prefix and described sector mark form the IPv6 address of described sensor node.Just can solve the automatic allocation problem in IPv6 address in the wireless sensor network by the method, and save the message expense, be suitable for resource-constrained wireless sensor network.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The automatic method flow schematic diagram of configuration in IPv6 address in the wireless sensor network that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the structural representation of wireless sensor network that the embodiment of the invention gives an actual example;
Fig. 3 is the give an actual example acquisition process schematic diagram of sector mark part of middle IPv6 address of the embodiment of the invention;
Fig. 4 is that the give an actual example node identification part of middle IPv6 address of the embodiment of the invention is carried out the schematic flow sheet of duplicate detection in Sector Range;
Fig. 5 is that the give an actual example node identification part of middle IPv6 address of the embodiment of the invention is carried out another schematic flow sheet of duplicate detection in Sector Range.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides the method that the IPv6 address disposes automatically in a kind of wireless sensor network, in described method, wireless sensor network is divided into the sector that a plurality of areas equate, each sector is by unique abstract polar coordinates sign, comprise this sector mark in the IPv6 address of each sensor node, each sensor node can be according to the abstract polar coordinates part of its Geographic mapping information calculations, and obtaining its IPv6 address by further operation, the IPv6 address is divided into several parts such as prefix, sector mark, node identification in the present embodiment.Below in conjunction with drawings and Examples, the present invention is described in further details, be illustrated in figure 1 as in the wireless sensor network that the embodiment of the invention provides the automatically method flow schematic diagram of configuration of IPv6 address, described method comprises:
Step 11: the sector that wireless sensor network is divided into the fan-shaped or fan annular that a plurality of areas centered by gateway node equate.
In this step, at first wireless sensor network is divided into the sector of the fan-shaped or fan annular that a plurality of areas centered by gateway node equate, comprise one or more sensor nodes in each sector, and the sector mark of each sector comes unique identification by abstract polar coordinates, and these abstract polar coordinates comprise: radius coordinate and polar angle coordinate.
In the specific implementation, wireless sensor network is divided into the sector of the fan-shaped or fan annular that a plurality of areas centered by gateway node equate, specifically comprises:
Wireless sensor network is respectively a by radius centered by gateway node, 2a ..., k*a ... concentric circles described wireless sensor network is divided into the combination of a circle and a plurality of annulars; Wherein, radius is that the circle of a is divided into 4 sector regions, and each sector region is called a sector; Radius is that the inner circle of k*a and the annular of the cylindrical composition that radius is (k+1) * a are divided into 4*(2k+1) individual fan annular region, each fan annular region is called a sector.
Step 12: gateway node is to the subnet prefix of the whole network broadcast radio sensor network, and all the sensors node in the wireless sensor network obtains this subnet prefix according to received broadcast.
In this step, in the netinit stage, broadcast the subnet prefix of described wireless sensor network by described gateway node to the whole network, all the sensors node in the described wireless sensor network obtains this subnet prefix according to received broadcast.
Step 13: described sensor node disposes the sector mark of this sector, sensor node place according to geographical location information.
In this step, the abstract polar coordinates of described sector mark comprise: radius coordinate and polar angle coordinate; Wherein, interior radius of circle is that the radius coordinate of the sector of k*a is k, and the polar angle coordinate is the sequence number of this sector in the sector with same radius coordinate, and its span is 0 to 4*(2k+1)-1 integer.
Described sensor node disposes the detailed process of the sector mark of this sector, sensor node place according to geographical location information can be in the following way:
Described gateway node is made as the polar coordinates limit with the geographical coordinate of self, and select neighbours' gateway node as the polar coordinates flag node, with described polar coordinates limit to the direction of this neighbours' gateway node as polar pole axis direction, thereby set up polar coordinate system according to the geographical position;
Described gateway node is announced the geographical coordinate of this gateway node and polar coordinates flag node to the whole network, and described sensor node is determined its coordinate (r in described polar coordinate system according to announcement message and the geographical coordinate of self
N, φ
N);
Described sensor node is according to this coordinate (r
N, φ
N), determined the sector mark of this sector, sensor node place by following formula:
Wherein a represents the semidiameter of described sector inside and outside circle.
Step 14: described sensor node generates node identification at random, and carries out duplicate detection for this node identification in this sensor node place Sector Range.
In this step, describedly in this sensor node place Sector Range, carry out duplicate detection for this node identification, only have the node that has the common sector sign with node to be detected, just process the duplicate detection request message, otherwise directly abandon.
Step 15: if duplicate detection success, then this node identification and described subnet prefix and described sector mark form the IPv6 address of described sensor node.
In specific implementation, 128 IPv6 addresses of described sensor node comprise subnet prefix, sector mark and node identification, wherein sector mark further comprises radius coordinate and polar angle coordinate, and each part mentioned above length is respectively 64, m position, n position, 64-m-n position.
In addition, after obtaining the IPv6 address of described sensor node, the IPv6 address of this sensor node can also be compressed according to certain rule, be specially:
The identical subnet prefix of all the sensors nodes sharing in the described wireless sensor network, and when in net, communicating by letter, omit this subnet prefix, thereby compress the IPv6 address of described sensor node.
Further, polar angle coordinate in the IPv6 address of this sensor node partly can also be used elongated figure place represent, the near sensor node of the described gateway node of distance uses the polar angle coordinate of short figure place to represent, according to the unique figure place of determining its polar angle coordinate of radius coordinate, make the polar angle coordinate represent the position less than n, thereby further compress the IPv6 address of described sensor node.
The below comes said method is elaborated with concrete example, be illustrated in figure 2 as the structural representation of wireless sensor network that the embodiment of the invention gives an actual example, among Fig. 2: wireless sensor network is comprised of a large amount of sensor nodes and a gateway node, all nodes all are distributed on the plane, and each node can obtain its geographical coordinate according to GPS; Sensor node protocol stack physical layer and link layer adopt the technology such as IEEE802.15.4 or low-power consumption Wi-Fi, and network layer adopts the IPv6 agreement; Gateway node is connected sensor network by Ethernet, the wired or wireless technology such as 3G, Wi-Fi with the Internet; Sensor node has consisted of the wireless sensor network of all-IP v6ization with gateway node.
In Fig. 2, wireless sensor network is divided into a plurality of fan-shaped or fan annular region centered by gateway node G1, is called for short the sector, may comprise one or more sensor nodes in each sector; The sector mark of each sector is by an abstract polar coordinates unique identification, specifically:
A) described sector has identical area;
B) centered by described gateway node G1, be respectively a by radius, 2a ..., k*a ... concentric circles described sensor network zone is divided into the combination of a circle and a plurality of annulars; Radius is that the circle of a is divided into 4 sector regions, and each is fan-shaped to become a described sector; Accordingly, radius is the inner circle of k*a and radius for the annular that the cylindrical of (k+1) * a forms, and is divided into 4*(2k+1) individual fan annular region, each fan ring zone becomes a described sector.
C) by sector of abstract polar coordinates unique identification, described abstract polar coordinates comprise radius coordinate and polar angle coordinate, interior radius of circle is that the sector radius coordinate of k*a is k, the polar angle coordinate is the sequence number of this sector in the sector with same radius coordinate, and its span is 0 to 4*(2k+1)-1 integer.
Division by above-mentioned wireless sensor network, the sensor node IPv6 address of the embodiment of the invention consists of the following components: subnet prefix, sector mark and node identification, wherein sector mark further comprises radius coordinate and polar angle coordinate, and each part mentioned above length is respectively 64, m position, n position, 64-m-n position.Described radius coordinate and polar angle coordinate are the abstract polar coordinates of sector, sensor node place, abstract polar coordinates as the unique sign of sector mark a sector; And node identification is unique in Sector Range, so each sensor node has unique IPv6 address in the embodiment of the invention.
In the present embodiment, IPv 6 addresses for wireless sensor network automatically disposes and may further comprise the steps:
Step 21: in the netinit stage, gateway node G1 is to the whole network broadcast radio sensor network subnet prefix, and all sensor nodes receive this broadcast in the network, and obtains subnet prefix.
Step 22: sensor node is according to geo-localisation information, the sector mark in the sensors configured node IP v6 address, i.e. abstract polar coordinates part;
Step 23: after step 22 was finished, the sensor node stateless disposed its IPv6 address node identification part, and carries out duplicate detection in Sector Range, thereby further obtained complete IPv6 address.
A sensor node N1 does concrete elaboration as example to the automatic configuration flow in IPv6 address of sensor node N1 in the above-mentioned accompanying drawing 2, and the automatic configuration in address of every other sensor node all can be adopted identical flow process in the network certainly.Be illustrated in figure 3 as the acquisition process schematic diagram of the sector mark in the sensor node IPv6 address, above-mentioned steps 22 specifically comprises following processing procedure:
Step 31: gateway node G1 at first sends location request message to its single-hop neighbor node, and all receive that the neighbor node of request message transmits a reply message to gateway node, replys the geographical position coordinates that comprises neighbor node in the message.
Step 32: gateway node G1 is made as the polar coordinates limit with own residing geographical position, reply message according to the neighbor node of receiving, select one of them neighbor node as the coordinate flag node, with limit to the direction of this node as polar pole axis direction, thereby set up polar coordinate system.As shown in Figure 2, selecting in the present embodiment node A1 is the coordinate flag node.
Step 33: gateway node G1 comprises the geographical coordinate (x of this gateway node G1 to the whole network broadcast transmission position announcement message in the announcement message of position
G, y
G) and the geographical coordinate (x of flag node
A, y
A);
Step 34: after sensor node N1 receives announcement message, according to the geographical coordinate (x of gateway node G1
G, y
G), the geographical coordinate (x of flag node A1
A, y
A) and self geographical coordinate (x
N, y
N), calculated the polar coordinates (r in the polar coordinate system of setting up by following mathematical formulae
N, φ
N).
r
N＝d(N,G)
Wherein, d is the nodal distance function, for any two node U and V, has
For φ
NCalculating, if following formula set up,
(x
A-x
S)(y
N-y
S)≥(x
N-x
S)(y
A-y
S)
Then get φ
N=arccos φ
N,
Otherwise φ
N=arccos φ
N+ π.
Step 35: sensor node N1 is according to its polar coordinates (r in polar coordinate system
N, φ
N) and sector dividing mode, determine radius coordinate and polar angle coordinate part in its IPv6 address, i.e. the sector mark of its sector, place, and represent with m position and n position binary form respectively.As shown in Figure 2, the radius coordinate of sensor node N1 is 2, and the polar angle coordinate is 3.
In Sector Range, carry out duplicate detection described in the above-mentioned steps 23 and refer to that the sensor node that only is in same sector just can be replied or forward process the duplicate detection request message, otherwise directly abandons.Shown in 4, sensor node N1 carries out following steps with reference to the accompanying drawings in the concrete processing of this step 23:
Step 41: sensor node N1 generates the interim node identification in 64-m-n position at random, and is set its effective time.
Step 42: sensor node N1 sends the duplicate detection request message to all neighbours' sensor nodes, comprises sector mark, interim node identification and effective time thereof in the message.
Step 43: sensor node N1 judges whether to receive the duplicate acknowledgement messages of other nodes transmissions, if so, and execution in step 41, otherwise, execution in step 44.
Step 44: sensor node N1 judges whether arrive effective time, be, then execution in step 45, otherwise, execution in step 43.
Step 45: interim node identification does not repeat in Sector Range, and sensor node N1 forms the IPv6 address with it with subnet prefix and sector mark, and process finishes.
The concrete processing procedure of above-mentioned steps 23 can also be received the sensor node of sensor node N1 duplicate detection request message for all with reference to the accompanying drawings shown in 5, carries out following steps:
Step 51: begin, receive the duplicate detection request message of sensor node N1, comprising the sector mark of sensor node N1, interim node identification and effective time thereof.
Step 52: judge whether expire the effective time in the message, be, execution in step 54, otherwise, execution in step 53;
Step 53: judge whether identical with sensor node N1 of m+n position sector mark, be, execution in step 55, otherwise, execution in step 54.
Step 54: directly abandon this message, process finishes.
Step 55: judge whether identical with sensor node N1 of its 64-m-n position node identification, if so, illustrate out that current address repeats, turn to step 57, otherwise, turn to step 56.
Step 56: the duplicate detection request message of receiving is transmitted to its all neighbor nodes with the forms of broadcasting, and process finishes.
Step 57: reply the duplicate detection acknowledge message to sensor node N1, process finishes.
In addition, present embodiment can also further compress sensor node IPv6 address, specifically comprises:
Sensor node IPv6 address is 128 without compression form length in the present embodiment, comprises subnet prefix (64), radius coordinate (m position), polar angle coordinate (n position), node identification (64-m-n position); The identical subnet prefix of all the sensors nodes sharing in the sensor network, when communicating by letter in net, subnet prefix can omit, and sensor node IPv6 address is compressed to 64, thereby realizes address compression.
In addition, can also be according to described abstract polar characteristics, polar angle coordinate part can use elongated figure place to represent in the sensor node IPv6 address, the nearer sensor node of distance webs artis can use short polar angle coordinate, thereby make polar angle coordinate figure place less than the n position, realized the further compression of address.
In the specific implementation process, for the radius coordinate be
Sensor node, the polar angle coordinate has at most
Plant value, therefore can adopt
The position represents, thereby has realized the further compression of address.For example, be 3 sensor node for the radius coordinate, can adopt 5 binary systems to represent its polar angle coordinate.And for the network node of receiving the packet that contains address compression, can judge the figure place that the polar angle coordinate adopts according to radius coordinate wherein, thereby accurate its polar angle coordinate that must obtain further recovers original IPv6 address from address compression.
What need to further specify is, the radius coordinate that illustrates in the embodiment of the invention, polar angle coordinate length m, n choose, and relevant with concrete network size, density etc., the embodiment of the invention is not done concrete introduction.
In sum, the embodiment of the invention is compared existing IPv6 address automatic distributing method, sensor node can partly be determined the IPv6 address according to its geo-location coordinate, and only in Sector Range, carry out the duplicate detection of address, the method does not need request and the assigning process of centralization, do not need network-wide basis address duplicate detection yet, thereby saved the message expense, be very suitable for resource-constrained wireless sensor network; Simultaneously, the IPv6 address that disposes can further be compressed, thereby brings the effect that reduces communication overhead for wireless sensor network.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (5)
1. the automatic method of configuration in IPv6 address in the wireless sensor network is characterized in that described method comprises:
Wireless sensor network is divided into the sector of the fan-shaped or fan annular that a plurality of areas centered by gateway node equate, comprise one or more sensor nodes in each sector, and the sector mark of each sector comes unique identification by abstract polar coordinates, and these abstract polar coordinates comprise: radius coordinate and polar angle coordinate;
In the netinit stage, broadcast the subnet prefix of described wireless sensor network by described gateway node to the whole network, all the sensors node in the described wireless sensor network obtains this subnet prefix according to received broadcast;
Described sensor node disposes the sector mark of this sector, sensor node place according to geographical location information;
Described sensor node generates node identification at random, and in this sensor node place Sector Range, carry out duplicate detection for this node identification, if duplicate detection success, then this node identification and described subnet prefix and described sector mark form the IPv6 address of described sensor node.
2. the automatic method of configuration in IPv6 address in the wireless sensor network according to claim 1 is characterized in that, described wireless sensor network is divided into the sector of the fan-shaped or fan annular that a plurality of areas centered by gateway node equate, specifically comprises:
Wireless sensor network is respectively a by radius centered by gateway node, 2a ..., k*a ... concentric circles described wireless sensor network is divided into the combination of a circle and a plurality of annulars; Wherein, radius is that the circle of a is divided into 4 sector regions, and each sector region is called a sector; Radius is that the inner circle of k*a and the annular of the cylindrical composition that radius is (k+1) * a are divided into 4*(2k+1) individual fan annular region, each fan annular region is called a sector.
3. the method that the IPv6 address disposes automatically in the wireless sensor network according to claim 1 is characterized in that the abstract polar coordinates of described sector mark comprise: radius coordinate and polar angle coordinate; Wherein, interior radius of circle is that the radius coordinate of the sector of k*a is k, and the polar angle coordinate is the sequence number of this sector in the sector with same radius coordinate;
Described sensor node disposes the sector mark of this sector, sensor node place according to geographical location information, specifically comprises:
Described gateway node is made as the polar coordinates limit with the geographical coordinate of self, and select neighbours' gateway node as the polar coordinates flag node, with described polar coordinates limit to the direction of this neighbours' gateway node as polar pole axis direction, thereby set up polar coordinate system;
Described gateway node is announced the geographical coordinate of this gateway node and polar coordinates flag node to the whole network, and described sensor node is determined its coordinate (r in described polar coordinate system according to announcement message and the geographical coordinate of self
N, φ
N);
Described sensor node is according to this coordinate (r
N, φ
N), determined the sector mark of this sector, sensor node place by following formula:
Wherein, a represents the semidiameter of described sector inside and outside circle.
4. the method that the IPv6 address disposes automatically in the wireless sensor network according to claim 1 is characterized in that described method also comprises:
The IPv6 address of described sensor node is compressed according to certain rule, is specially:
The identical subnet prefix of all the sensors nodes sharing in the described wireless sensor network, and when in net, communicating by letter, omit this subnet prefix, compress the IPv6 address of described sensor node.
5. the method that the IPv6 address disposes automatically in the wireless sensor network according to claim 1 is characterized in that described method also comprises:
Polar angle coordinate in the IPv6 address of described sensor node partly uses elongated figure place to represent, the near sensor node of the described gateway node of distance uses the polar angle coordinate of short figure place to represent, further compresses the IPv6 address of described sensor node.
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| CN103347100A (en) * | 2013-06-25 | 2013-10-09 | 常熟理工学院 | 6LoWPAN wireless sensor network address collocation method |
| CN103347100B (en) * | 2013-06-25 | 2016-02-10 | 常熟理工学院 | A kind of 6LoWPAN wireless transducer network address configuration method |
| CN104168540A (en) * | 2014-08-07 | 2014-11-26 | 南京邮电大学 | Data transmission method for IPV6 delay-tolerant sensing network on basis of location privacy |
| CN104168540B (en) * | 2014-08-07 | 2017-07-11 | 南京邮电大学 | The data transmission method of the IPV6 delay-tolerant Sensor Networks based on location privacy |
| CN104883409A (en) * | 2015-05-14 | 2015-09-02 | 华为技术有限公司 | Address allocating method and network device |
| CN104883409B (en) * | 2015-05-14 | 2019-02-19 | 华为技术有限公司 | Distribute the method and the network equipment of address |
| CN107425903A (en) * | 2017-07-17 | 2017-12-01 | 乐鑫信息科技（上海）有限公司 | Water body sensor network and its network-building method and underwater sonic transducer recovery method |
| CN107425903B (en) * | 2017-07-17 | 2023-10-24 | 乐鑫信息科技（上海）股份有限公司 | Water sensor network, networking method thereof and underwater acoustic sensor recovery method |
| CN109688244A (en) * | 2019-02-01 | 2019-04-26 | 常熟理工学院 | A kind of efficient wireless sense network address configuration implementation method |
| CN109688244B (en) * | 2019-02-01 | 2021-08-20 | 常熟理工学院 | High-efficiency wireless sensor network address configuration implementation method |
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