CN102036419B - Network node configuration information processing method, network node and communication system - Google Patents
Network node configuration information processing method, network node and communication system Download PDFInfo
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Abstract
The embodiment of the invention provides a network node configuration information processing method, a network node and a communication system, wherein the method comprises the following steps: when resource operation of resource release or resource occupation occurs, storing corresponding resource operation information, wherein the resource operation information is used for identifying whether the resource is released or occupied; and if the configuration bit chart information contained in the broadcast information of the received first adjacent node is inconsistent with the stored resource operation information, sending a notification message which corresponds to the resource operation information and is used for notifying whether the resource is occupied or released to the first adjacent node to enable the first adjacent node to modify the corresponding resource operation information. The embodiment of the invention also provides a corresponding network node. The embodiment of the invention also provides the communication system. The method, device and system provided by the embodiment of the invention can improve the network performance.
Description
Technical field
The embodiment of the invention relates to communication technical field, particularly a kind of network node configures information processing method, network node and communication system.
Background technology
Radio sensing network is a kind of widely used wireless network; and can adapt to multiple real intelligent environment; radio sensing network has obtained fast development; and with its self-organizing, certainly management, from energy-conservation, reliability is high, cost is low and be applicable to the characteristics such as adverse circumstances, is widely used in the fields such as military affairs, health care, environmental protection and traffic.
Radio sensing network can adopt non-beacon can make network and beacon can make network.In the middle of non-beacon can make network, equipment all can periodically not send beacon, and the communication between the equipment generally is asynchronous.Beacon can make select take superframe as periodic structure's wireless sensor network in the network in the communication of equipment room, above-mentioned superframe structure is by beacon period, channel competition access-hours (Contention AccessPeriod, hereinafter to be referred as: CAP), (Contention Free Period of uncontested period of channel, hereinafter to be referred as: CFP) form with non-active period, its concrete form is that the telegon by the regulation superframe defines, and wherein beacon period, channel competition access-hours and uncontested period of channel have formed the active period of superframe.This active period comprises 16 equal-sized time slots, wherein beacon frame transmits in first time slot of superframe, each super frame period is sent beacon frame with network coordinator and is begun, and has comprised time, the overall structure of superframe, the arrangement of every phases-time and the information such as time synchronized of each equipment that this super frame period continues in beacon frame.Equipment in the network is finished Network Synchronization and whether clear and definite this equipment bears data communications task in this super frame period according to information wherein after receiving beacon frame.
Behind the sign off of the channel competition access period of superframe, network namely enters as guaranteeing the uncontested period of channel of communication between devices service, the communication in this stage is by guaranteeing time slot (Guaranteed Time Slot, hereinafter to be referred as: GTS) the network consisting telegon is provided with part by the call duration time section that channel uncontended periods time slot forms in superframe structure, guarantees synchronism and the independence of devices communicating service.General GTS appears at movable superframe tail end, and each GTS generally takies one or more time slot.Each equipment that transmits GTS must guarantee that its affairs finished before next GTS arrives. can comprise in the superframe that several guarantee time slot, each equipment that is assigned with guaranteed time slot must guarantee that its communication guarantees to finish before time slot arrives at the next one.After the finishing equipment activation phase, the equipment in the wireless sensor network will enter resting state to save energy, wait for the arrival of next super frame period.
In existing network service, each equipment can be finished at a plurality of channels by frequency-hopping mode and guarantee time slot communication, this communication mode, i.e. expansion guarantees time slot communication (Enhanced GuaranteedTime Slot, hereinafter to be referred as: EGTS), message capacity that can the extended network system.The communication of expansion assurance time slot is not only time interval resource is distributed, also channel resource is distributed simultaneously, realize that different equipment can communicate in different time and channel, yet this communication mode can cause requirement that resource is distributed more complicated.Guarantee in the time slot communication in expansion, the resource information of time slot and channel all be present in the configuration bit chart (Allocation Bitmap Table, hereinafter to be referred as: ABT).In expansion GTS communication, ABT is the bivariate table that of each intra-node storage records channel and time interval resource use state.This form upgrades with the situation that discharges EGTS dynamically with node self and peripheral neighbors application.Concrete configuration bit chart can be as shown in the table:
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
| Slot1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Slot2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Slot3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Slot4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Slot5 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
| Slot6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Slot7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
What this ABT showed is 7 time slots (slot) * 9 channel usage among the EGST, and wherein each time slot and channel are represented by a bit, and 0 represents resource does not have occupiedly, and 1 to represent resource occupied.Therefore ABT is exactly a two-dimentional form that comprises different bit informations.
In the communication of using the EGTS mode, if network node one has data to network node two transmissions, can use in advance the resource of a time slot and channel to network node two applications, after the resource bid success, network node one is designated 1 with the corresponding bit of this resource among the ABT of oneself.After this resource was finished using, network node one discharged this resource with network node two, was about to that corresponding station location marker is 0 among the ABT separately.
The inventor finds that network node can not the corresponding ABT resource identification of time update in the prior art in realizing process of the present invention.Along with the prolongation of network operation time, this situation can build up, and can cause in the ABT table information and network real resource behaviour in service inconsistent, affects the normal operation of network.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of network node configures information processing method, network node and communication system, and with the consistency of information and network real resource behaviour in service in the raising ABT table, maintaining network normally moves.
For achieving the above object, the embodiment of the invention provides a kind of network node configures information processing method, comprising:
Occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, described resource operation information is used for identifying that described resource has been released or occupied;
If when the configuration bit chart-information that comprises in the broadcast message of the first-phase neighbors that receives and the described resource operation information inconsistency of storage, corresponding with described resource operation information to described first-phase neighbors transmission, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
The embodiment of the invention also provides a kind of network node, comprising:
The first memory module is used for occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, and described resource operation information is used for identifying that described resource has been released or occupied;
The first sending module, if when being used for the resource operation information inconsistency of configuration bit chart-information that the broadcast message of the first-phase neighbors receive comprises and described storage, corresponding with described resource operation information to described first-phase neighbors transmission, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
The embodiment of the invention also provides another kind of network node, comprising:
The second sending module is used for sending the broadcast message that comprises the configuration bit chart-information to the third phase neighbors;
The first receiver module, be used for receiving the notification message that described third phase neighbors sends, when described notification message is the resource operation information inconsistency of the configuration bit chart-information that comprises of described third phase neighbors and the storage of described third phase neighbors in described broadcast message, what send is corresponding with described resource operation information, is used for notifying described resource occupied or d/d notification message;
The first processing module is revised corresponding resource operation information behind the notification message that is used for sending according to the described third phase neighbors that described the first receiver module receives.
The embodiment of the invention also provides a kind of communication system, comprise first network node and first-phase neighbors, described first network node stores the configuration bit chart that comprises resource information, and occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, described resource operation information is used for identifying that described resource has been released or occupied; When described first network node also is used for the resource operation information inconsistency of configuration bit chart-information that the broadcast message at the described first-phase neighbors that receives comprises and described storage, corresponding with described resource operation information to described first-phase neighbors transmission, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
Network node configures information processing method, network node and communication system that the embodiment of the invention provides, when occuring, stores resource operation corresponding resource operation information, and during the resource operation information inconsistency of the configuration message bit pattern that in the broadcast message of the first-phase neighbors that receives, comprises and self storage, and occupied information and the present networks node of resource that sends its record of corresponding notification message notice first-phase neighbors is inconsistent, so that the first-phase neighbors is processed.By technique scheme of the present invention, can improve the consistency of information and network real resource behaviour in service in the ABT table, maintaining network normally moves.
Description of drawings
The schematic flow sheet of the network node configures information processing method embodiment that Fig. 1 provides for the embodiment of the invention;
The structural representation of the network node embodiment one that Fig. 2 provides for the embodiment of the invention;
The structural representation of the network node embodiment two that Fig. 3 provides for the embodiment of the invention;
The structural representation of the network node embodiment three that Fig. 4 provides for the embodiment of the invention;
The structural representation of the communication system embodiment that Fig. 5 provides for the embodiment of the invention;
EGTS resource release flow schematic diagram in the specific embodiment that Fig. 6 provides for the embodiment of the invention;
Resource discharges the frame structure schematic diagram of notification message in the specific embodiment that Fig. 7 provides for the embodiment of the invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
In some common communication networks, for example in the network that uses the DGTS communication mode, each network node can be preserved corresponding ABT, and this charting the situation of network node self and adjacent node use resource (comprising channel and time slot).Adjacent node in the embodiment of the invention refers to the network node in the jumping scope because the adjacent node of different nodes and incomplete same, even so the ABT of each network node adjacent node can be not identical yet.
The schematic flow sheet of the network node configures information processing method embodiment that Fig. 1 provides for the embodiment of the invention as shown in Figure 1, comprises the steps:
Resource operation in this step specifically can comprise the operation of resource release operations and resource occupation, be that source node is when having data to send to destination node, source node sends resource request message to obtain the resource of a channel and time slot to destination node, destination node is Resources allocation after receiving above-mentioned resource request message, and send the broadcast that comprises resource occupation information to source node and adjacent node, notify the resource of above-mentioned distribution occupied, source node and destination node are all stored and the corresponding resource occupation information of the resource that takies in this process; Send in data in addition and finish, source node sends the message that request discharges occupied resource to destination node, destination node discharges corresponding resource, and send to source node and other adjacent nodes and to comprise that resource discharges the broadcast of information, notify the resource of above-mentioned distribution to be released, source node and destination node are all stored with the corresponding resource of the resource that discharges and are discharged information in this process;
If when the configuration bit chart-information that comprises in the broadcast message of the first-phase neighbors that step 102 receives and the resource operation information inconsistency of described storage, corresponding with described resource operation information to described first-phase neighbors transmission, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
By above-mentioned steps 101 as can be known, source node and destination node all stored the resource corresponding with its resource release operations discharge information and with the resource occupation information of its resource occupation operational correspondence, namely have which resource to be taken by self, perhaps which resource is discharged by self.When source node or destination node receive broadcast from the first-phase neighbors, the configuration bit chart-information that carries in this broadcast will be obtained, this configuration bit chart-information normally sends the part of configuration bit chart of the first-phase neighbors of broadcast, and the resource of storing in source node or the destination node inquiry present networks node discharges whether the information of resource is consistent accordingly in information or resource occupation information and the above-mentioned configuration bit chart-information.If inconsistent, then send the notification message corresponding with above-mentioned resource operation information to above-mentioned first-phase neighbors.Concrete, when the resource of the configuration bit chart-information that comprises in broadcast message and source node or destination node self storage discharges information inconsistency, above-mentioned corresponding with described resource operation information to the transmission of first-phase neighbors, be used for notifying the occupied or d/d notification message of described resource to comprise: source node or destination node send resource to the first-phase neighbors and discharge notification message, and this is stated resource release notification message and comprises the d/d information of above-mentioned resource; During the resource occupation information inconsistency of the configuration bit chart-information that in broadcast message, comprises and source node or destination node self storage, above-mentioned corresponding with described resource operation information to the transmission of first-phase neighbors, be used for notifying the occupied or d/d notification message of described resource to comprise: source node or destination node send the resource occupation notification message to the first-phase neighbors, and described resource occupation notification message comprises the occupied information of above-mentioned resource.
Network node in the above embodiment of the present invention (comprising source node and destination node), when occuring, stores resource operation corresponding resource operation information, and during the resource operation information inconsistency of the configuration message bit pattern that in the broadcast message of the first-phase neighbors that receives, comprises and self storage, and occupied information and the present networks node of resource that sends its record of corresponding notification message notice first-phase neighbors is inconsistent, so that the first-phase neighbors is processed.By technique scheme of the present invention, can effectively solve in source node and destination node takies or the unreliability of the broadcast that sends to adjacent node during releasing resource is brought technical problem, when being adjacent node storage inconsistent for the resource operation information of source node or destination node storage, can further examine and adjust, with the Effective Raise network performance, realize the normal operation of network.
On the basis of above-described embodiment, if the first-phase neighbors after receiving the resource occupation notification message, is revised the value of bit corresponding with above-mentioned occupied resource in the configuration bit chart that self disposes; Perhaps the first-phase neighbors is after receiving resource and discharging notification message, inquires about whether above-mentioned resource is taken by self first-phase neighbors or whether above-mentioned resource is taken by the second-phase neighbors adjacent with the first-phase neighbors.
And further when described resource self is taken by the first-phase neighbors, the first-phase neighbors sends the response message of the information that comprises that the described resource of indication is taken by the first-phase neighbors to described source node or destination node; Or when described resource was taken by described second-phase adjoint point, the first-phase neighbors sent the response message of the information that comprises that the described resource of indication is taken by the second-phase neighbors to described source node or destination node; Or when above-mentioned resource is not taken by above-mentioned second-phase adjoint point by first-phase neighbors self, the first-phase neighbors is revised bit corresponding with above-mentioned resource in the configuration bit chart of its configuration, and sends the response message of having revised the flag bit of the resource of relevant position in self configuration bit chart to above-mentioned source node or destination node.
Can also comprise in the above embodiments in addition: source node or destination node are when receiving the response message of the information that the above-mentioned resource of indication taken by the first-phase neighbors, and it is occupied that the value of the bit corresponding with described resource is revised as the described resource of expression in the configuration bit chart with configuration.
The embodiment of the invention also provides a kind of network node, the structural representation of the network node embodiment one that Fig. 2 provides for the embodiment of the invention, as shown in Figure 2, this network node comprises the first memory module 11 and the first sending module 12, wherein the first memory module 11 is used for occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, and described resource operation information is used for identifying that described resource has been released or occupied; When if the first sending module 12 is used for the resource operation information inconsistency of configuration bit chart-information that the broadcast message of the first-phase neighbors that receives comprises and above-mentioned storage, corresponding with described resource operation information to the transmission of first-phase neighbors, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
Network node in the above embodiment of the present invention, when occuring, stores resource operation corresponding resource operation information, and during the resource operation information inconsistency of the configuration message bit pattern that in the broadcast message of the first-phase neighbors that receives, comprises and self storage, and occupied information and the present networks node of resource that sends its record of corresponding notification message notice first-phase neighbors is inconsistent, so that the first-phase neighbors is processed.By technique scheme of the present invention, can realize improving network performance, realize the normal operation of network.
The structural representation of the network node embodiment two that Fig. 3 provides for the embodiment of the invention, as shown in Figure 3, this network node comprises the first memory module 21 and the first sending module 22, wherein the first memory module 21 can be divided into the first memory cell 211 and the second memory cell 212, wherein the first memory cell 211 is used for when resource release operations occurs, and stores the resource corresponding with resource release operations and discharges information; And/or second memory cell 212 be used for when the resource occupation operation occurs the resource occupation information of storage and this resource occupation operational correspondence; The first above-mentioned sending module 22 can be divided into the first transmitting element 221 and the second transmitting element 222, when wherein the first transmitting element 221 is used for the described resource release information inconsistency of configuration bit chart-information that the broadcast message at the first-phase neighbors that receives comprises and self storage, send the resource corresponding with described resource release information to the first-phase neighbors and discharge notification message, this resource discharges notification message and comprises the d/d information of the described resource of sign; When the second transmitting element 222 is used for the configuration bit chart-information that the broadcast message at the first-phase neighbors that receives comprises with the described resource occupation information inconsistency of self storing, send the resource occupation notification message corresponding with described resource release information to the first-phase neighbors, described resource occupation notification message comprises the occupied information of the described resource of sign.
The network node that provides of the above embodiment of the present invention can further include resource information modified module 23 in addition, this module is used for when receiving the response message of the information that the described resource of indication taken by the first-phase neighbors, and it is occupied that the value of the bit corresponding with described resource is revised as the described resource of expression in the configuration bit chart with configuration.
The embodiment of the invention also provides another kind of network node, and this network node is equivalent to the first-phase neighbors in above-described embodiment.The structural representation of the network node embodiment three that Fig. 4 provides for the embodiment of the invention, as shown in Figure 4, network node comprises the second sending module 31, the first receiver module 32 and the first processing module 33, and wherein the second sending module 31 is used for sending the broadcast message that comprises the configuration bit chart-information to the third phase neighbors; The first receiver module 32 is used for receiving the notification message that described third phase neighbors sends, when described notification message is the resource operation information inconsistency of the configuration bit chart-information that comprises of described third phase neighbors and the storage of described third phase neighbors in described broadcast message, what send is corresponding with described resource operation information, is used for notifying described resource occupied or d/d notification message; Revise corresponding resource operation information behind the notification message that the first processing module 33 is used for sending according to the described third phase neighbors that described the first receiver module receives.The network node that the above embodiment of the present invention provides, can with Fig. 2 or embodiment illustrated in fig. 3 in network node configures use, so that information is consistent with network real resource behaviour in service in the ABT that disposes in each network node table, maintaining network normally moves.
The first processing module in the above embodiment of the present invention may further include the first processing unit, query unit and the second processing unit, wherein the first above-mentioned processing unit is used for after above-mentioned the first receiver module receives the resource occupation notification message that comprises the occupied information of above-mentioned resource, and the value of the bit corresponding with above-mentioned resource is revised as the occupied value of the above-mentioned resource of expression in the configuration bit chart with configuration.
Or query unit is used for receiving after resource discharges notification message at the first receiver module, and this resource discharges notification message and comprises the d/d information of the above-mentioned resource of sign, and inquiry obtains above-mentioned resource and taken by self; If above-mentioned the second sending module also is used for sending to described third phase neighbors the response message of the information that comprises that the described resource of indication is taken by self when described resource is taken by network node self;
Or query unit is used for receiving after resource discharges notification message at the first receiver module, and this resource discharges notification message and comprises the d/d information of the described resource of sign, and inquiry obtains described resource and taken by described the 4th consecutive points; The second sending module also is used for when above-mentioned resource is taken by described the 4th consecutive points sending to described the 3rd network node the response message of the information that comprises that the described resource of indication is taken by described the 4th adjacent node;
Perhaps query unit is used for after above-mentioned the first receiver module receives resource release notification message, described resource discharges notification message and comprises the d/d information of the described resource of sign, and inquiry obtains described resource not by network node self and do not taken by described the 4th consecutive points.Above-mentioned the second processing unit is used in above-mentioned resource not by network node self and when not taken by described the 4th consecutive points, revise the value of bit corresponding with described resource in the configuration bit chart that self disposes, and comprise the described response message of having revised the value of bit corresponding with described resource in the configuration bit chart of configuration to the transmission of third phase neighbors.
The network node that the above embodiment of the present invention provides can be carried out the correlation step flow process among the network node configures information processing method embodiment.
The embodiment of the invention has also been led to a kind of communication system, the structural representation of the communication system embodiment that Fig. 5 provides for the embodiment of the invention, as shown in Figure 5, this system comprises first network node 1 and first-phase neighbors 2, wherein first network node 1 stores the configuration bit chart that comprises resource information, and occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, this resource operation information is used for identifying that described resource has been released or occupied; When above-mentioned first network node 1 also is used for the resource operation information inconsistency of configuration bit chart-information that the broadcast message at the first-phase neighbors 2 that receives comprises and above-mentioned storage, corresponding with above-mentioned resource operation information to 2 transmissions of first-phase neighbors, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
Communication system in the above embodiment of the present invention, first network node is wherein stored corresponding resource operation information when resource operation occurs, and during the resource operation information inconsistency of the configuration message bit pattern that in the broadcast message of the first-phase neighbors that receives, comprises and self storage, and occupied information and the present networks node of resource that sends its record of corresponding notification message notice first-phase neighbors is inconsistent, so that the first-phase neighbors is processed.By technique scheme of the present invention, can realize improving network performance, realize the normal operation of network.
First network node in above-described embodiment specifically is used for when resource release operations occurs, storage discharges information with the corresponding resource of the resource that discharges, and the resource of the configuration bit chart-information that comprises in broadcast message and above-mentioned storage sends resource release notification message to the first-phase neighbors when discharging information inconsistency; Or when the resource occupation operation occurs, the corresponding resource occupation information of resource of storage and application, and during the resource occupation information inconsistency of the configuration bit chart-information that in broadcast message, comprises and self storage to first-phase neighbors transmission resource occupation notification message.
After first-phase neighbors in above-described embodiment also is used for receiving above-mentioned resource and discharges notification message in addition, inquire about the second-phase neighbors whether above-mentioned resource taken or be adjacent by self and take.
Concrete after receiving the first-phase neighbors and receiving resource and discharge notification message, whether above-mentioned resource taken by the first-phase neighbors or taken by the second-phase neighbors adjacent with the first network node inquire about, above-mentioned resource is taken by self or taken backward first network node by above-mentioned second-phase neighbors returns response message if inquire, concrete when above-mentioned resource is taken by self, the first-phase neighbors is used for sending to above-mentioned source node or destination node the response message of the information that comprises that the described resource of indication is taken by the first-phase neighbors; Or taken by described second-phase adjoint point in above-mentioned resource, the first-phase neighbors is used for sending to above-mentioned source node or destination node the response message of the information that comprises that the above-mentioned resource of indication is taken by described second-phase neighbors.Above-mentioned first-phase neighbors also is used for when inquiring described resource and do not taken by above-mentioned second-phase adjoint point by self, revise the value of bit corresponding with above-mentioned resource in the configuration bit chart of configuration, and send the response message of the value of bit corresponding with above-mentioned resource in the configuration bit chart of having revised the configuration of first-phase neighbors to above-mentioned source node or destination node.Above-mentioned first network node also is used for when receiving the response message of the information that the described resource of described indication taken by the first-phase neighbors in addition, revises the information corresponding with described resource in the configuration bit chart of self configuration.
Above-mentioned first-phase neighbors also is used for revising the value of bit corresponding with described resource in the configuration bit chart that self disposes after receiving described resource occupation notification message
It below is specific embodiment of the present invention, as shown in Figure 6, as network node A (source node) during to the EGTS resource of applying for before network node B (destination node) application discharges, network node A can send EGTS Request command frame to Node B, comprised the part ABT information that needs discharge in the command frame, after network node B receives the release application of network node A, it is EGTS Request command frame, can with oneself ABT information and command frame in entrained part ABT information compare, discharge corresponding time slot and channel resource, and send and reply broadcasting EGTS Reply command frame, discharged this resource to the adjacent node statement.A jumping range node comprises that network node A can receive this broadcast message around the network node B, node around the network node B, can know also that such as the network C node Node B has discharged regular hour and channel resource, and can upgrade according to the ABT table that discharges in the broadcast message ABT of oneself, the resource identification that network node B is shared is 0, can use like this this resource to communicate in follow-up communication process.Simultaneously network node B can record this releasing operation at device interior, i.e. resource operation information in the above embodiment of the present invention, and this record can be saved in always and be released resource and resumed by other network node or self.Network node A receives that network node B sends reply broadcast after, also the ABT of oneself can be upgraded accordingly, and broadcasts out EGTS Notify command frame, discharged this resource to the adjacent node statement of network node A.Simultaneously network node A can record this operation, and this record can be saved in always and be released resource and resumed by other network node or self.In reception and sending node, all recorded this releasing operation like this, for follow-up ABT resource comparison is submitted necessary information.
As network node A (or network node B, here take network node A as example) receive adjacent node, when for example network node D issues the information relevant with ABT, broadcast messages such as the EGTS Reply that listens to network node D or EGTS Notify, the ABT information that can be when revising own ABT comprises in broadcast message records (being resource operation information) with own releasing operation and compares.Take if find but to be designated as in the ABT of network node D by the resource of network node A oneself release, network node A is understood as the broadcast that this network node D does not receive this resource of release of oneself, so " good will " to packet of network node D clean culture just, be that the resource of mentioning in above-described embodiment discharges notification message, this resource of prompting network node D has been discharged by network node A.Whether network node D can inquire about this resource of differentiation and taken by own or adjacent node and not release after receiving this information.Be appreciated that the adjacent node of the adjacent node of network node D and network node A and not quite identical.Self is shared if this resource is network node D, then replys this resource of network node A and is to be in and used by network node D, should be taking mark on this region resource sign after receiving this information as the network node A of adjacent node; Oneself take if not network node D but taken by other adjacent node of network node D, return response message and illustrate that this resource is rationally to take to network node A equally, network node A can't make an amendment the ABT of oneself after receiving this above-mentioned response message, and only the adjacent node of network node A and network node B takies above-mentioned resource; If record does not show that above-mentioned resource is in rational seizure condition, show that then this resource is not carry over owing to network node D listens to the broadcast that network node A sends, therefore will discharge zero clearing to bit corresponding to the resource among the ABT of network node D, to show that this resource is in idle condition, send the response message that bit corresponding to above-mentioned resource among the ABT has been discharged zero clearing to network node A simultaneously.
Network node A is during to a packet of network node D clean culture, be that the resource of mentioning in above-described embodiment discharges notification message, the frame structure of this packet can be as shown in Figure 7, the frame head that can comprise 7 son joints, the command id of 1 byte, and variable (being load), the address information that wherein can comprise network node A in the frame head, it is a unicast inquiry frame that command id is used to indicate this packet, comprise in the variable that record is released among the network node A, and in the ABT information that the broadcast message that network node D sends comprises the information of the occupied resource of record, the bit that also namely corresponding needs are confirmed in the ABT tabulation, and other relevant information.In the ABT tabulation, the occupied or idle available bit of resource represents, namely represents that with 1 resource is occupied, and 0 expression resource is idle.
After network node D receives above-mentioned packet, can inquire about self shared relevant ABT resource, if relevant ABT resource is that network node D takies oneself, this information will be fed back to network node A so, notifying this resource of this network node A is that network node D uses, and also needs network node A to use in this resource of ABT table sign simultaneously; If relevant ABT resource is taken by the adjacent node of network node D, then network node D feeds back to response message of network node A, illustrates that this resource used by the adjacent node of oneself, and network node A does not then need to do any processing; If above-mentioned resource was not both taken by network node D, do not taken by other adjacent nodes of network node D yet, can determine that then this resource is the undelivered resource of leaving over, then network node D carries out releasing operation, revise the information corresponding with above-mentioned resource in the configuration bit chart that disposes, the value that is about to the corresponding bits position is made as zero, to show that at ABT this resource as idle, comprises that to network node A transmission network node D has revised the response message of the value of bit corresponding with described resource in the configuration bit chart of configuration simultaneously.
By above-mentioned inquiry and comparison process, network node can effectively be cleared up the ABT resource of adjacent node by operation note among self ABT, discharges more available channel and time interval resource.
Resource operation is stored in the resource bid process that also can use EGTS.Equally as shown in Figure 6, network node A is to network node B application EGTS resource, and network node B sends the EGTSReply broadcast frame, and node A can continue to send EGTS Notify broadcast frame.This posterior nodal point A can record this time resource bid operation and relevant ABT resource with Node B.In follow-up communication process, ABT resource around network node A or network node B monitor in the EGTS relevant broadcasts frame of adjacent node, simultaneously with the resource operation Record Comparison of oneself storing, in case find that the EGTS resource of oneself having applied for does not have to identify among other adjacent node is issued around the ABT, will send an information to the network node of issue EGTS relevant broadcasts frame, notify this related resource of this network node to be taken by oneself, relevant bit need to be designated busy flag as adjacent node.The network node of above-mentioned issue EGTS relevant broadcasts frame can identify the resource of correspondence after receiving this above-mentioned message, shows that respective resources is occupied, and for example the corresponding bit of above-mentioned resource puts 1 in the configuration bit chart of network node stores.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (14)
1. a network node configures information processing method is characterized in that, comprising:
Occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, described resource operation information is used for identifying that described resource has been released or occupied;
If when the configuration bit chart-information that comprises in the broadcast message of the first-phase neighbors that receives and the described resource operation information inconsistency of storage, corresponding with described resource operation information to described first-phase neighbors transmission, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
2. network node configures information processing method according to claim 1 is characterized in that, is describedly occuring that resource discharges or is storing at least one that corresponding resource operation information comprises following operation during the resource operation of resource occupation:
When resource release operations occurs, store the resource corresponding with described resource release operations and discharge information; With
When the resource occupation operation occurs, the resource occupation information of storage and described resource occupation operational correspondence.
3. network node configures information processing method according to claim 2 is characterized in that, and is described corresponding with described resource operation information to the transmission of first-phase neighbors, is used for notifying the occupied or d/d notification message of described resource to comprise:
Source node or destination node send resource to described first-phase neighbors and discharge notification message, and described resource discharges notification message and comprises the d/d information of the described resource of sign.
4. network node configures information processing method according to claim 3 is characterized in that, described first-phase neighbors also comprises after receiving described resource release notification message:
Inquire about whether described resource is taken by described first-phase neighbors or whether described resource is taken by the second-phase neighbors adjacent with described first-phase neighbors;
If when described resource is taken by the first-phase neighbors, described first-phase neighbors sends the response message of the information that comprises that the described resource of indication is taken by described first-phase neighbors to described source node or destination node; Or
When described resource was taken by described second-phase adjoint point, described first-phase neighbors sent the response message of the information that comprises that the described resource of indication is taken by described second-phase neighbors to described source node or destination node; Or
When described resource is not taken by described second-phase neighbors by the first-phase neighbors, described first-phase neighbors is revised the value of bit corresponding with described resource in the configuration bit chart of configuration, and sends to described source node or destination node and to comprise that described first-phase neighbors revised the response message of the value of bit corresponding with described resource in the configuration bit chart of configuration.
5. network node configures information processing method according to claim 4 is characterized in that, also comprises:
Described source node or destination node are when receiving the response message of the information that the described resource of described indication taken by the first-phase neighbors, and the value of the bit corresponding with described resource is revised as the occupied value of the described resource of expression in the configuration bit chart with configuration.
6. network node configures information processing method according to claim 2 is characterized in that, and is described corresponding with described resource operation information to the transmission of first-phase neighbors, is used for notifying the occupied or d/d notification message of described resource to comprise:
Source node or destination node send the resource occupation notification message to described first-phase neighbors, described resource occupation notification message comprises the occupied information of the described resource of sign, so that described first-phase neighbors is after receiving described resource occupation notification message, the value of the bit corresponding with described resource is revised as the occupied value of the described resource of expression in the configuration bit chart with configuration.
7. a network node is characterized in that, comprising:
The first memory module is used for occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, and described resource operation information is used for identifying that described resource has been released or occupied;
The first sending module, if when being used for the resource operation information inconsistency of configuration bit chart-information that the broadcast message of the first-phase neighbors receive comprises and described storage, corresponding with described resource operation information to described first-phase neighbors transmission, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
8. network node according to claim 7 is characterized in that, described the first memory module comprises:
The first memory cell is used for when resource release operations occurs, and stores the resource corresponding with described resource release operations and discharges information; And/or
The second memory cell is used for when the resource occupation operation occurs the resource occupation information of storage and described resource occupation operational correspondence.
9. network node according to claim 8 is characterized in that, described the first sending module comprises:
The first transmitting element, when being used for the described resource release information inconsistency of configuration bit chart-information that the broadcast message at the first-phase neighbors that receives comprises and self storage, send the resource corresponding with described resource release information to the first-phase neighbors and discharge notification message, described resource discharges notification message and comprises the d/d information of the described resource of sign; Or
The second transmitting element, when being used for the configuration bit chart-information that the broadcast message at the first-phase neighbors that receives comprises with the described resource occupation information inconsistency of self storing, send the resource occupation notification message corresponding with described resource occupation information to the first-phase neighbors, described resource occupation notification message comprises the occupied information of the described resource of sign.
10. network node according to claim 9 is characterized in that, also comprises:
The resource information modified module is used for when receiving the response message of the information that the described resource of indication taken by the first-phase neighbors, and it is occupied that the value of the bit corresponding with described resource is revised as the described resource of expression in the configuration bit chart with configuration.
11. a network node is characterized in that, comprising:
The second sending module is used for sending the broadcast message that comprises the configuration bit chart-information to the third phase neighbors;
The first receiver module, be used for receiving the notification message that described third phase neighbors sends, when described notification message is the resource operation information inconsistency of the configuration bit chart-information that comprises of described third phase neighbors and the storage of described third phase neighbors in described broadcast message, what send is corresponding with described resource operation information, is used for notifying described resource occupied or d/d notification message;
The first processing module is revised corresponding resource operation information behind the notification message that is used for sending according to the described third phase neighbors that described the first receiver module receives.
12. network node according to claim 11 is characterized in that, described the first processing module comprises the first processing unit, query unit and the second processing unit;
Described the first processing unit, be used for after described the first receiver module receives the resource occupation notification message that comprises the occupied information of described resource, the value of the bit corresponding with described resource is revised as the occupied value of the described resource of expression in the configuration bit chart with configuration; Or
Described query unit is used for after described the first receiver module receives resource release notification message, and described resource discharges notification message and comprises the d/d information of the described resource of sign, and inquiry obtains described resource and taken by self;
Described the second sending module is if also be used for sending to described third phase neighbors the response message of the information that comprises that the described resource of indication is taken by self when described resource is taken by network node self; Or
Described query unit is used for after described the first receiver module receives resource release notification message, and described resource discharges notification message and comprises the d/d information of the described resource of sign, and inquiry obtains described resource and taken by the 4th consecutive points;
Described the second sending module also is used for when described resource is taken by described the 4th consecutive points sending to described the 3rd network node the response message of the information that comprises that the described resource of indication is taken by described the 4th adjacent node; Or
Described query unit, be used for after described the first receiver module receives resource release notification message, described resource discharges notification message and comprises the d/d information of the described resource of sign, and inquiry obtains described resource not by network node self and do not taken by described the 4th consecutive points;
Described the second processing unit, be used in described resource not by network node self and when not taken by described the 4th consecutive points, revise the value of bit corresponding with described resource in the configuration bit chart that self disposes, and comprise the described response message of having revised the value of bit corresponding with described resource in the configuration bit chart of configuration to described third phase neighbors transmission.
13. communication system, it is characterized in that, comprise first network node and first-phase neighbors, described first network node stores the configuration bit chart that comprises resource information, and occuring that resource discharges or storing corresponding resource operation information during the resource operation of resource occupation, described resource operation information is used for identifying that described resource has been released or occupied; When described first network node also is used for the resource operation information inconsistency of configuration bit chart-information that the broadcast message at the described first-phase neighbors that receives comprises and described storage, corresponding with described resource operation information to described first-phase neighbors transmission, be used for notifying the occupied or d/d notification message of described resource so that described first-phase neighbors is revised corresponding resource operation information.
14. communication system according to claim 13, it is characterized in that, described first network node specifically is used for when resource release operations occurs, storage discharges information with the corresponding resource of the resource that discharges, and the resource of the configuration bit chart-information that comprises in broadcast message and described storage sends resource release notification message to the first-phase neighbors when discharging information inconsistency; Or when the resource occupation operation occurs, the corresponding resource occupation information of resource of storage and application, and during the resource occupation information inconsistency of the configuration bit chart-information that in broadcast message, comprises and self storage to first-phase neighbors transmission resource occupation notification message.
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| CN200910179576.8A CN102036419B (en) | 2009-09-30 | 2009-09-30 | Network node configuration information processing method, network node and communication system |
| PCT/CN2010/077518 WO2011038692A1 (en) | 2009-09-30 | 2010-09-30 | Network node configuration information processing method, network node, and communication system |
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| CN104427617B (en) * | 2013-08-19 | 2018-03-30 | 大唐电信科技产业控股有限公司 | A kind of resource instruction and determination method, apparatus |
| CN104427621B (en) * | 2013-09-10 | 2018-07-03 | 富士通株式会社 | Slot allocation method and device |
| CN104581820B (en) * | 2013-10-28 | 2018-05-04 | 富士通株式会社 | Slot allocation method and device based on subregion |
| CN105491674B (en) * | 2014-09-18 | 2019-02-12 | 大唐电信科技产业控股有限公司 | A kind of optimization method and device of Slot selection |
| CN106922020A (en) * | 2015-12-24 | 2017-07-04 | 北京信威通信技术股份有限公司 | Method for processing resource and device |
| WO2019192683A1 (en) * | 2018-04-04 | 2019-10-10 | Abb Schweiz Ag | Channel access in an industrial wireless network |
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| CN1540524A (en) * | 2003-10-31 | 2004-10-27 | 清华大学 | Method for accessing distributed and virtualized storage in local network |
| WO2007150072A1 (en) * | 2006-06-23 | 2007-12-27 | Qualcomm Incorporated | Methods and systems for processing overhead reduction for control channel packets |
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