CN101895906A - Mobile terminal and method for processing communication between same and gateway - Google Patents
Mobile terminal and method for processing communication between same and gateway Download PDFInfo
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- CN101895906A CN101895906A CN2010102299062A CN201010229906A CN101895906A CN 101895906 A CN101895906 A CN 101895906A CN 2010102299062 A CN2010102299062 A CN 2010102299062A CN 201010229906 A CN201010229906 A CN 201010229906A CN 101895906 A CN101895906 A CN 101895906A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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Abstract
The invention discloses a mobile terminal and a method for processing communication between the same and a gateway. The method comprises the following steps that: the mobile terminal selects a concerned wireless sensor network, selects a node from the network as an agent node and communicates with the gateway through the agent node; and when moving out of the communication range of the agent node, the mobile terminal selects a new agent node from the wireless sensor network and communicates with the gateway through the new agent node after the new agent node acquires agent data of the original agent node. The mobile terminal comprises an agent node selecting unit and a communication monitoring unit. The method realizes the real-time and the continuity of the communication by substituting the agent node and solves the problem of communication data loss caused after the communication of the mobile terminal and the gateway is disconnected due to the too-frequent moving.
Description
Technical field
The present invention relates to the wireless sensor network technology field, relate in particular to a kind of portable terminal and with the communication processing method of gateway.
Background technology
Wireless sensor network is the communication network of a kind of short distance, low rate, low-power consumption.Under the Internet of Things application background, for realizing the fusion of wireless sensor network and the Internet, the network architecture has as shown in Figure 1 appearred.Among the figure, the wireless sensor network disposition that is made of wireless sensor network node is in various applied environments, as Smart Home, intelligent medical etc.Gateway carries out protocol conversion to telecommunicatio network and wireless sensor network, transmits both sides' data.Telecommunicatio network is supported one or more of remote access way such as ADSL, 2G mobile communication, 3G mobile communication, xDSL, FTTx, broadband wireless access, satellite/microwave, and the data of server and gateway are transferred to the other side reliably.Server is managed concentratedly the information of wireless sensor network node.
The user often needs to use portable terminal that wireless sensor network is monitored, and its communication mode can be divided into two kinds.When portable terminal is in when long-range, by communication, as 2G mobile communication, 3G mobile communication, WiFi etc., access server is realized the remote monitoring to wireless sensor network.In the time of in portable terminal enters the wireless sensor network coverage, direct and gateway carries out alternately, realizes the direct monitoring to wireless sensor network.
But because the communication coverage of gateway is limited, portable terminal often can not directly carry out alternately with gateway, must carry out indirect communication with gateway through some node and certain jumping figure.In view of portable terminal has stronger mobility, if as common sensor network nodes, add in the network, because existing MAC agreement is not enough to the support of node mobility problem, when portable terminal is frequent in communication process, when two-forty ground is mobile, thereby be easy to cause communication interruption, lose communication data and influence communication quality.
Summary of the invention
The invention provides a kind of portable terminal and with the communication processing method of gateway, in order to solve exist in the prior art because portable terminal has stronger mobility, causing communication to be interrupted, to lose communication data easily, thereby influencing the problem of communication quality.
Concrete, the invention provides the communication processing method of a kind of portable terminal and gateway, comprising:
Portable terminal is selected a wireless sensor network of being concerned about, therefrom selects a node as agent node, communicates by this agent node and gateway; And when described portable terminal shifts out the communication range of described agent node, described portable terminal is chosen a new agent node in described wireless sensor network, and after this new agent node obtains the proxy data of former agent node, communicate by this new agent node and gateway.
Wherein, the described new agent node mode of obtaining the proxy data of former agent node comprises:
Described new agent node sends to former agent node and acts on behalf of change notifications, former agent node receive behind this notice message with proxy data in response message feedback give described new agent node; Wherein, described proxy data comprises the communication data that former agent node residue is not transmitted in described portable terminal and the gateway communication process.
Further, in the method for the invention, described portable terminal selects agent node specifically to comprise in described wireless sensor network:
Portable terminal is to described wireless sensor network broadcasting Agent Solicitation, and receive described wireless sensor network interior nodes feedback include the response message of nodal information the time, according to described nodal information, utilize pre-configured policy selection one node to be agent node;
Wherein, described nodal information comprises: node device type information, node power supply state information, node communication task status information and node are to the routing information of gateway.
Wherein, described portable terminal is behind described wireless sensor network broadcasting Agent Solicitation, the nodal information of each querying node self in the described wireless sensor network, and whether each parameter satisfies the default condition of acting on behalf of in the decision node information, if, to described portable terminal feedback response message; Otherwise, do not do response.
Wherein, the described default condition of acting on behalf of comprises: whether the amount of power supply of node is lower than default lower limit; And/or whether the resources occupation rate of node reaches the default upper limit.
Further, described pre-configured strategy comprises:
Described portable terminal detects according to the device type information of node in the node of response agent request whether gateway or router device are arranged, if choosing corresponding node is agent node, otherwise described portable terminal is carried out a kind of in the following strategy at least:
It is agent node that described portable terminal is selected the maximum node of electric weight according to the power supply state information priority of node; Described portable terminal is according to the time that receives response message, and the fastest node of preferential selection response is an agent node; It is agent node that described portable terminal is preferentially selected the minimum node of resources occupation rate according to the communication task state information of node; And described portable terminal preferentially to select node according to node to the routing information of gateway be agent node to the shortest node of gateway path.
Wherein, when portable terminal is selected a plurality of policy selection agent node, preferably each strategy is provided with priority orders.
Further, the method for the invention also has following characteristics: described portable terminal also comprises when communicating by agent node and gateway:
Described portable terminal is in each communication cycle, call the translational speed that inner locating module calculates portable terminal, and during more than or equal to preset threshold value, send the request message that reduces the communications data frame frame length to described agent node in described portable terminal ground translational speed; Wherein, communication cycle is portable terminal carries out a data interaction by agent node and gateway time.
Wherein, described portable terminal is in translational speed during more than or equal to preset threshold value, regularly to described agent node transmit status probe message, and judge according to the response message of agent node feedback whether the connection status of portable terminal and agent node is normal, if undesired, then in described wireless sensor network, choose a new agent node.
Further, the method for the invention also has following characteristics: described portable terminal also comprises when communicating by agent node and gateway:
When described portable terminal arrives in the number of communications of setting, the information about power of inquiry proxy node and/or communication task state information, and the resources occupation rate that the electric weight of described agent node is lower than predetermined threshold value and/or described agent node reach default in limited time, in described wireless sensor network, choose a new agent node.
The present invention also provides a kind of portable terminal, comprising:
Agent node is chosen the unit, is used to select a wireless sensor network of being concerned about, therefrom selects a node as agent node, communicates by this agent node and gateway;
CCU, be used for when detecting described portable terminal and shift out the communication range of described agent node, triggering described agent node chooses the unit choose a new agent node in described wireless sensor network, and after this new agent node obtains the proxy data of former agent node, trigger described agent node and choose the unit and communicate by described new agent node and gateway.
Wherein, the described agent node mode of choosing the unit selection agent node comprises:
Described agent node is chosen the unit to described wireless sensor network broadcasting Agent Solicitation, and receive described wireless sensor network interior nodes feedback include the response message of nodal information the time, according to described nodal information, utilize pre-configured policy selection one node to be agent node;
Wherein, described nodal information comprises: node device type information, node power supply state information, node communication task status information and node are to the routing information of gateway.
Wherein, described pre-configured strategy comprises:
Described agent node chooses in the node of unit according to the device type information detection response agent request of node whether gateway or router device are arranged, if, choosing corresponding node is agent node, otherwise described agent node is chosen the unit and carried out a kind of in the following strategy at least:
Described agent node is chosen the unit, and to select the maximum node of electric weight according to the power supply state information priority of node be agent node; Described agent node is chosen the unit according to the time that receives response message, and the fastest node of preferential selection response is an agent node; Described agent node is chosen the unit, and preferentially to select the minimum node of resources occupation rate according to the communication task state information of node be agent node; And described agent node is chosen the unit, and preferentially to select node according to node to the routing information of gateway be agent node to the shortest node of gateway path.
Compared with prior art, beneficial effect of the present invention is as follows:
Method provided by the invention has realized the real-time and the continuity of communication by changing agent node, and for portable terminal since move too frequently cause with the gateway communication disconnection after, lose communication data and solve.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the monitoring model figure of wireless sensor network in the prior art;
Fig. 2 is the flow chart of the communication processing method of a kind of portable terminal provided by the invention and gateway;
The flow chart of the portable terminal that Fig. 3 provides for the embodiment of the invention and the communication processing method of gateway;
Fig. 4 is the structure chart of a kind of portable terminal provided by the invention.
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 the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In order to solve in the prior art, because portable terminal has strong mobility, promptly portable terminal is carried by the user, often moves to another position from a position, and the communication that causes is interrupted, loses communication data, and then influences the problem of quality monitoring.The invention provides a kind of portable terminal and with the communication processing method of gateway.As shown in Figure 2, the method for the invention may further comprise the steps:
Step S201, portable terminal are selected a wireless sensor network of being concerned about, therefrom select a node as agent node, communicate by this agent node and gateway.
Step S202, portable terminal are chosen another node as new agent node in described wireless sensor network when shifting out the communication range of described agent node.
Step S203, portable terminal communicate by this new agent node and gateway after described new agent node obtains the proxy data of former agent node.
Wherein, proxy data comprises the communication data that former agent node residue is not transmitted in described portable terminal and the gateway communication process.
Method provided by the invention has realized the real-time and the continuity of communication by changing agent node, and for portable terminal since move too frequently cause with the gateway communication disconnection after, lose communication data and solve.
Provide the several preferred embodiments of the present invention according to Fig. 3 below, and, further provide ins and outs of the present invention, make it that specific implementation process of the method that provides of the present invention can be described better in conjunction with description to embodiment.
Embodiment one
As shown in Figure 3, a kind of portable terminal that provides for the embodiment of the invention one and the communication processing method of gateway specifically may further comprise the steps:
Step S301, portable terminal be not when adding any wireless sensor network, and periodic dormancy awakening is with available wireless sensor network in the search coverage.
In this step, portable terminal preferably carries out web search by built-in zigbee module;
In this step, the mode of mobile terminal to search available wireless sensor network comprises: portable terminal travels through the wireless sensor network on each channel, and the wireless sensor node radio network in coverage is found request message.
Wherein, wireless sensor network has the network identity of uniqueness, judges for portable terminal whether this network is the network that portable terminal is concerned about.
After step S302, each wireless sensor network interior nodes receive network discovery request message, return network of network sign of living in to portable terminal.
Step S303, portable terminal are behind the network identity that receives each wireless sensor node transmission, to needed wireless sensor network broadcasting proxy requests.
Step S304, portable terminal receive the response message that include nodal information of needed wireless sensor network interior nodes based on the proxy requests feedback.
Wherein, the nodal information of wireless sensor node feedback comprises: the power supply state information of the device type of node, node, the communication task state information of node and node are to the routing information of gateway etc.Wherein, device type is mainly used in difference gateway, router and ordinary node; Power supply state information is used for the power supply level of identification nodes, and its power supply type generally includes powered battery and direct current supply; The communication task state information is used to judge whether the communication task of each node is busy.
Preferably, in this step, the wireless sensor node that receives the proxy requests of portable terminal broadcasting can be according to state informations such as self power supply capacity, communication tasks, determines whether response agent request.
Concrete, the nodal information of wireless sensor node inquiry self, and whether each parameter satisfies the default condition of acting on behalf of in the decision node information, if, to described portable terminal feedback response message; Otherwise, do not do response.Wherein, the Yu She condition of acting on behalf of includes but not limited to following several condition: whether the amount of power supply of node is lower than default lower limit; And/or whether the resources occupation rate of node reaches the default upper limit.
Step S305, portable terminal carry out the agent node decision-making according to the nodal information that collects, and send the affirmation proxy requests to selected agent node.
In this step, the decision strategy of portable terminal includes but not limited to following a kind of decision-making mode:
Portable terminal detects whether gateway or router are arranged in each wireless sensor node, if preferentially select gateway or router as agent node; Otherwise portable terminal is carried out a kind of in the following strategy at least:
It is agent node that described portable terminal is selected the maximum node of electric weight according to the power supply state information priority of node;
Described portable terminal receives the time of response message, and the fastest node of preferential selection response is an agent node;
It is agent node that described portable terminal is preferentially selected the minimum node of resources occupation rate according to the communication task state information of node;
And it is agent node to the shortest node of gateway path that described portable terminal is preferentially selected node according to node to the routing information of gateway.
Need to prove, when above-mentioned decision strategy when being a plurality of, can pre-configured priority orders, for example: preferentially select the maximum node of electric weight, if the node that exists a plurality of electric weight to be equal to, then detect in these nodes response speed to fast node; If have the node of a plurality of response speeds, then select the minimum node of resources occupation rate; If there is the identical node of a plurality of resources occupation rates, then therefrom choosing the shortest node of gateway path is agent node.
The method of the invention can improve the quality of choosing agent node by the above-mentioned decision strategy of configuration, for portable terminal and gateway communication provide preferable transfer platform, and then the raising communication quality.
Step S306, agent node send the affirmation proxy response to portable terminal after receiving the confirmation proxy requests.
So far, portable terminal and wireless sensor network have been set up and have been communicated to connect, and after communicating to connect foundation, portable terminal can be realized communicating process by agent node and gateway, and concrete communication process is as follows:
Continue step S306:
Step S307, portable terminal send data request information to agent node.
Step S308, agent node are sent to gateway with data request information.
Step S309, gateway are collected the data of response according to data request information, send to agent node.
Step S310, agent node forward the data to portable terminal.
Wherein, portable terminal and gateway are a communication cycle by the process that agent node carries out a data interaction.
Need to prove that in communication process, portable terminal may move on to another position.Portable terminal is then initiated proxy requests again if can not communicate by letter with former agent node at this moment.Promptly repeat above-mentioned agent node selection course, select new agent node.
After selecting new agent node, this new agent node sends to former agent node and acts on behalf of change notifications, former agent node will remain the communication data do not transmitted in response message issue new agent node, send end proxy task when finishing.After new agent node receives the residual flux letter data, continue to finish the forwarding of communication data between portable terminal and gateway.
Because the request that gateway is based on agent node carries out that data send, so gateway do not need to do special data processing, and in the process that agent node changes, gateway is that variation has taken place in the target proxy address of node.
Embodiment two
Present embodiment provides the communication processing method of a kind of portable terminal and gateway, and the portable terminal described in this method has the GPS positioning function.
In the present embodiment, described method is carried out choosing of agent node, and is consistent with the step S301 to S306 among the embodiment one; The process that portable terminal and gateway communicate by agent node in the described method, consistent with the step S307 to S310 among the embodiment one, present embodiment is not done and is given unnecessary details.
Portable terminal in the method that the embodiment of the invention provides is because inside is integrated with the GPS locating module, so also comprise following technical characterictic when portable terminal communicates by agent node and gateway:
Portable terminal is in each communication cycle, obtain the locator data of portable terminal by the GPS locating module of inside, and, judge whether reach predefined strong mobile grade (that is: translational speed is more than or equal to default a certain threshold value) according to this translational speed by calculating the translational speed that obtains portable terminal.
Wherein, the account form of translational speed is: portable terminal obtains displacement according to current latitude and longitude information and last longitude and latitude, and tries to achieve the translational speed of portable terminal according to this time value of communication cycle in a communication cycle.
Wherein, above-mentioned mobile grade can be formulated or certain formulation general mechanism formulation by the user.
Further, in the described method of the embodiment of the invention, when determining the portable terminal mobility when strong, illustrate that portable terminal might change agent node, for guaranteeing the real-time of change, portable terminal sends a request message to agent node, makes agent node reduce the frame length of communications data frame.
Preferably, portable terminal is used to confirm also regularly to agent node transmit status probe message whether the connection status of portable terminal and agent node is normal, if, then continue when the commitment defini interval time arrives, send data request information to agent node; Otherwise, select a new agent node to carry out agent communication.
Wherein, regularly to the time interval of agent node transmit status probe message, preferably less than a communication cycle.
Wherein, portable terminal judges whether normal mode comprises connection status:
Portable terminal is to agent node transmit status probe data packet, and after agent node was received packet, statistics received the bag acceptance rate or the bag payment rate of packet, and sent to portable terminal; Portable terminal carries out the state judgement according to the bag acceptance rate or the bag payment rate of agent node feedback;
Perhaps, portable terminal after agent node is received probe message, sends to portable terminal with received signal intensity display message or link-quality display message to agent node transmit status probe message; Portable terminal carries out state according to the information that receives and judges;
Wherein, whether state defines normally can be self-defined, do not do concrete qualification at this.
Preferably, the embodiment of the invention does not also move or mobility when more weak at described portable terminal, in time changes agent node, in order to avoid cause the energy of single agent node to consume excessively, and concrete:
Portable terminal can be after the number of communications of setting (being the number of times of data interaction) arrives, send query messages to agent node, with information about power and/or the communication task state information of obtaining agent node, when the electric weight that gets access to agent node is lower than setting threshold and/or resource occupation amount during more than or equal to setting threshold, again initiate proxy requests, obtain new agent node.
What deserves to be mentioned is that the method for the invention is equally applicable to the situation that a plurality of portable terminals add wireless sensor network simultaneously.
By implementing the method for the invention, can obtain following useful technique effect:
At first, the method for the invention has realized the real-time and the continuity of communication by changing agent node, and for portable terminal since move too frequently cause with the gateway communication disconnection after, lose communication data and solve;
Secondly, in the method for the invention,, can improve the quality of choosing agent node by the selection strategy of Configuration Agent node, and then for portable terminal and gateway communication provide preferable transfer platform, and then the raising communication quality.
Three, in the method for the invention, if portable terminal is integrated with the GPS positioning function, then can calculate the mobility power that obtains portable terminal, make at portable terminal frequent when mobile, can be before portable terminal and agent node chain rupture, guarantee the accuracy of data communication by the frame length that makes agent node reduce communications data frame, further, prevent the problem of loss of data after the chain rupture;
Four, in the method for the invention, portable terminal is by the information about power and the occupation condition of regular inquiry proxy node, make a strategic decision and whether continue to use current agent node, promptly guaranteed agent node resource reasonable distribution, also provide guarantee for communicating by letter between portable terminal and the gateway.
As shown in Figure 4, the present invention also provides a kind of portable terminal, specifically comprises:
Agent node is chosen unit 410, is used to select a wireless sensor network of being concerned about, therefrom selects a node as agent node, communicates by this agent node and gateway;
Described agent node is chosen unit 410 and is chosen the mode of agent node and comprise:
Described agent node is chosen unit 410 to described wireless sensor network broadcasting Agent Solicitation, and receive described wireless sensor network interior nodes feedback include the response message of nodal information the time, according to described nodal information, utilize pre-configured policy selection one node to be agent node;
Wherein, described nodal information comprises: node device type information, node power supply state information, node communication task status information and node are to the routing information of gateway.
Wherein, described pre-configured strategy comprises:
Described agent node chooses in the node of unit 410 according to the device type information detection response agent request of node whether gateway or router device are arranged, if, choosing corresponding node is agent node, otherwise agent node is chosen unit 410 and carried out a kind of in the following strategy at least:
Agent node is chosen unit 410, and to select the maximum node of electric weight according to the power supply state information priority of node be agent node; Agent node is chosen unit 410 according to the time that receives response message, and the fastest node of preferential selection response is an agent node; Agent node is chosen unit 410, and preferentially to select the minimum node of resources occupation rate according to the communication task state information of node be agent node; And agent node is chosen unit 410, and preferentially to select node according to node to the routing information of gateway be agent node to the shortest node of gateway path.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. the communication processing method of portable terminal and gateway is characterized in that, comprising:
Portable terminal is selected a wireless sensor network of being concerned about, therefrom selects a node as agent node, communicates by this agent node and gateway; And when described portable terminal shifts out the communication range of described agent node, described portable terminal is chosen a new agent node in described wireless sensor network, and after this new agent node obtains the proxy data of former agent node, communicate by this new agent node and gateway.
2. the method for claim 1 is characterized in that, the mode that described new agent node obtains the proxy data of former agent node comprises:
Described new agent node sends to former agent node and acts on behalf of change notifications, former agent node receive behind this notice message with proxy data in response message feedback give described new agent node; Wherein, described proxy data comprises the communication data that former agent node residue is not transmitted in described portable terminal and the gateway communication process.
3. method as claimed in claim 1 or 2 is characterized in that, described portable terminal selects agent node specifically to comprise in described wireless sensor network:
Portable terminal is to described wireless sensor network broadcasting Agent Solicitation, and receive described wireless sensor network interior nodes feedback include the response message of nodal information the time, according to described nodal information, utilize pre-configured policy selection one node to be agent node;
Wherein, described nodal information comprises: node device type information, node power supply state information, node communication task status information and node are to the routing information of gateway.
4. method as claimed in claim 3, it is characterized in that, described portable terminal is behind described wireless sensor network broadcasting Agent Solicitation, the nodal information of each querying node self in the described wireless sensor network, and whether each parameter satisfies the default condition of acting on behalf of in the decision node information, if, to described portable terminal feedback response message; Otherwise, do not do response.
5. method as claimed in claim 4 is characterized in that, the described default condition of acting on behalf of comprises:
Whether the amount of power supply of node is lower than default lower limit; And/or whether the resources occupation rate of node reaches the default upper limit.
6. method as claimed in claim 3 is characterized in that, described pre-configured strategy comprises:
Described portable terminal detects according to the device type information of node in the node of response agent request whether gateway or router device are arranged, if choosing corresponding node is agent node, otherwise described portable terminal is carried out a kind of in the following strategy at least:
It is agent node that described portable terminal is selected the maximum node of electric weight according to the power supply state information priority of node; Described portable terminal is according to the time that receives response message, and the fastest node of preferential selection response is an agent node; It is agent node that described portable terminal is preferentially selected the minimum node of resources occupation rate according to the communication task state information of node; And described portable terminal preferentially to select node according to node to the routing information of gateway be agent node to the shortest node of gateway path.
7. method as claimed in claim 1 or 2 is characterized in that, described portable terminal also comprises when communicating by agent node and gateway:
Described portable terminal is in each communication cycle, call the translational speed that inner locating module calculates portable terminal, and during more than or equal to preset threshold value, send the request message that reduces the communications data frame frame length to described agent node in the translational speed of described portable terminal; Wherein, communication cycle is portable terminal carries out a data interaction by agent node and gateway time.
8. method as claimed in claim 7, it is characterized in that, described portable terminal is in translational speed during more than or equal to preset threshold value, regularly to described agent node transmit status probe message, and judge according to the response message of agent node feedback whether the connection status of portable terminal and agent node is normal, if undesired, then in described wireless sensor network, choose a new agent node.
9. method as claimed in claim 1 or 2 is characterized in that, described portable terminal also comprises when communicating by agent node and gateway:
When described portable terminal arrives in the number of communications of setting, the information about power of inquiry proxy node and/or communication task state information, and the resources occupation rate that the electric weight of described agent node is lower than predetermined threshold value and/or described agent node reach default in limited time, in described wireless sensor network, choose a new agent node.
10. a portable terminal is characterized in that, comprising:
Agent node is chosen the unit, is used to select a wireless sensor network of being concerned about, therefrom selects a node as agent node, communicates by this agent node and gateway;
CCU, be used for when detecting described portable terminal and shift out the communication range of described agent node, triggering described agent node chooses the unit choose a new agent node in described wireless sensor network, and after this new agent node obtains the proxy data of former agent node, trigger described agent node and choose the unit and communicate by described new agent node and gateway.
11. portable terminal as claimed in claim 10 is characterized in that, the mode that described agent node is chosen the unit selection agent node comprises:
Described agent node is chosen the unit to described wireless sensor network broadcasting Agent Solicitation, and receive described wireless sensor network interior nodes feedback include the response message of nodal information the time, according to described nodal information, utilize pre-configured policy selection one node to be agent node;
Wherein, described nodal information comprises: node device type information, node power supply state information, node communication task status information and node are to the routing information of gateway.
12. portable terminal as claimed in claim 11 is characterized in that, described pre-configured strategy comprises:
Described agent node chooses in the node of unit according to the device type information detection response agent request of node whether gateway or router device are arranged, if, choosing corresponding node is agent node, otherwise described agent node is chosen the unit and carried out a kind of in the following strategy at least:
Described agent node is chosen the unit, and to select the maximum node of electric weight according to the power supply state information priority of node be agent node; Described agent node is chosen the unit according to the time that receives response message, and the fastest node of preferential selection response is an agent node; Described agent node is chosen the unit, and preferentially to select the minimum node of resources occupation rate according to the communication task state information of node be agent node; And described agent node is chosen the unit, and preferentially to select node according to node to the routing information of gateway be agent node to the shortest node of gateway path.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010229906.2A CN101895906B (en) | 2010-07-19 | 2010-07-19 | Mobile terminal and method for processing communication between same and gateway |
| PCT/CN2011/076429 WO2012010043A1 (en) | 2010-07-19 | 2011-06-27 | Mobile terminal and method for processing communication between mobile terminal and gateway |
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| CN201010229906.2A CN101895906B (en) | 2010-07-19 | 2010-07-19 | Mobile terminal and method for processing communication between same and gateway |
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| WO2012010043A1 (en) * | 2010-07-19 | 2012-01-26 | 中兴通讯股份有限公司 | Mobile terminal and method for processing communication between mobile terminal and gateway |
| WO2012126211A1 (en) * | 2011-03-18 | 2012-09-27 | 中兴通讯股份有限公司 | Method and system for wireless sensor network accessing to telecom network |
| WO2012155733A1 (en) * | 2011-09-16 | 2012-11-22 | 中兴通讯股份有限公司 | Method and system of actively reporting battery capacity by sta in wireless local area network |
| WO2013091135A1 (en) * | 2011-12-20 | 2013-06-27 | Renesas Mobile Corporation | Method and apparatus for facilitating gateway selection |
| CN103298041A (en) * | 2012-02-27 | 2013-09-11 | 联想(北京)有限公司 | Method, equipment and system for automatic switching of wireless router |
| CN103404176A (en) * | 2011-01-14 | 2013-11-20 | 高通股份有限公司 | Techniques for dynamic task processing in a wireless communication system |
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| WO2012010043A1 (en) | 2012-01-26 |
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