CN106162910A - A kind of realize the method for scheduling of resource, equipment and system - Google Patents
A kind of realize the method for scheduling of resource, equipment and system Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of and realizes the method for scheduling of resource, equipment and system, scheduling frame is carried out replicating transmission by wireless access node (AP) on each of the sub-channels, carrying the schedule information corresponding to all terminals that are scheduled in described scheduling frame, described subchannel includes main channel and each auxiliary channel；After waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；Described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
Description
Technical field
The present invention relates to WLAN (WLAN) field, particularly relate to a kind of realize the method for scheduling of resource, equipment and system.
Background technology
In traditional WLAN, owing to channel resource is unique, need not by wireless access node (Acess Point, AP) dispatched, but communication terminal is by Carrier Sense Multiple Access/conflict avoidance (Carrier Sense Multiple Access with Collision Avoidance, CSMA/CA) mechanism competitive channel resource, competes and successfully can take described channel resource, otherwise can not take described channel resource.Therefore, what whole scheduling mechanism was targeted is only scheduling rather than the scheduling of channel resource of User Priority.
But, by OFDM (Orthogonal Frequency Division Multiple Access, OFDMA) after technology is incorporated into WLAN, in order to realize multi-user and multi-channel parallel transmission, whole scheduling mechanism is not only the scheduling carrying out terminal, and need for terminal distribution respective sub-channel, the i.e. scheduling to channel resource.Specifically, after AP sends scheduling frame, after waiting for a period of time, receive the up acknowledgement frame that terminal sends.Being once multiple terminal distribution channel resource and for parallel transmission due to AP, therefore, AP receives the situation of up acknowledgement frame and would is that whole success, part success, also or all failures.So, if AP is not successfully receiving some or the acknowledgement frame of several terminal, then needs again to reschedule terminal and these channel resources are reallocated, otherwise, channel utilization will be caused low, the poor reliability of transmitting scheduling information.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of and realizes the method for scheduling of resource, equipment and system, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
For reaching above-mentioned purpose, the technical scheme of the embodiment of the present invention is achieved in that
The embodiment of the present invention provides a kind of method realizing scheduling of resource, is applied to wireless access node, and described method includes:
Carrying out replicating to scheduling frame on each of the sub-channels and send, carry the schedule information corresponding to all terminals that are scheduled in described scheduling frame, described subchannel includes main channel and each auxiliary channel；
After waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；Described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
In such scheme, described method also includes:
If not receiving feedback response frame in the first subchannel and described first subchannel belonging to auxiliary channel, then leading the or frame of the Frame that sub-schedule information is carried on leading and described first subchannel of the Frame of main channel sends；
If not receiving feedback response frame in the first subchannel and described first subchannel belonging to main channel, then leading the or frame of the Frame that sub-schedule information is carried on main channel sends；
Wherein, described sub-schedule information is the schedule information of the terminal that is scheduled corresponding to described first subchannel.
In such scheme, described on each of the sub-channels to scheduling frame carry out replicate send, including:
Send described scheduling frame on the primary channel, synchronization replication send the scheduling frame in main channel on each auxiliary channel.
In such scheme, described method also includes: when receiving feedback response frame in the second subchannel, when needing the schedule information of the be scheduled terminal corresponding to described second subchannel to be updated, updates the schedule information corresponding to the described terminal that is scheduled；
Leading or the frame of the Frame that the schedule information after updating is carried on described second subchannel sends.
In such scheme, described method also includes:
If not receiving feedback response frame in the first subchannel, need to dispatch in described first subchannel one new be scheduled terminal time, update the schedule information corresponding to the described new terminal that is scheduled；
Leading or the frame of the Frame that the schedule information corresponding to the described new terminal that is scheduled after updating is carried on leading and described first subchannel of the Frame of main channel sends.
In such scheme, described method also includes:
If receiving feedback response frame in the second subchannel, in the 3rd subchannel, do not receive feedback response frame, when needing the subchannel shared by terminal that is scheduled that would correspond to described second subchannel to extend to described second subchannel and described three subchannel, update the schedule information of the terminal that is scheduled corresponding to described second subchannel；
In the leading or frame of the Frame that is carried on described second subchannel and described 3rd subchannel of the schedule information corresponding to the terminal that is scheduled of described second subchannel after updating and send.
The embodiment of the present invention also provides for a kind of resource regulating method, is applied to terminal, and described method includes:
Receive scheduling frame；
Resolve described scheduling frame, it is thus achieved that corresponding to the schedule information of all terminals that are scheduled；
Detect the schedule information whether included in described schedule information corresponding to described terminal self, obtain testing result；
When described testing result is for characterizing the schedule information included in described schedule information corresponding to described terminal self, determines the subchannel corresponding to described terminal according to described schedule information, and switch to described subchannel；
After waiting prefixed time interval, described terminal is feedback response frame in described subchannel, and described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
The embodiment of the present invention also provides for a kind of wireless access node AP, described AP and includes the first sending module and the first receiver module；
Described first sending module, sends for carrying out replicating to scheduling frame on each of the sub-channels, carries the schedule information corresponding to all terminals that are scheduled in described scheduling frame, and described subchannel includes main channel and each auxiliary channel；
Described first receiver module, after being used for waiting prefixed time interval, receives the feedback response frame in one or more subchannel respectively；Described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
In such scheme, described first sending module, if being additionally operable to not receive feedback response frame in the first subchannel and described first subchannel belonging to auxiliary channel, then leading the or frame of the Frame that sub-schedule information is carried on leading and described first subchannel of the Frame of main channel sends；If being additionally operable to not receive feedback response frame in the first subchannel and described first subchannel belonging to main channel, then leading the or frame of the Frame that sub-schedule information is carried on main channel sends；
Wherein, described sub-schedule information is the schedule information of the terminal that is scheduled corresponding to described first subchannel.
In such scheme, described first sending module, specifically for sending described scheduling frame on the primary channel, synchronization replication send the scheduling frame in main channel on each auxiliary channel.
In such scheme, described AP also includes the first more new module；
Described first more new module, for when receiving feedback response frame in the second subchannel, when needing the schedule information of the be scheduled terminal corresponding to described second subchannel to be updated, updates the schedule information corresponding to the described terminal that is scheduled；
Described first sending module, is additionally operable in the leading or frame of the Frame that the schedule information after updating is carried on described second subchannel send.
In such scheme, described AP also includes the second more new module；
Described second more new module, if for not receiving feedback response frame in the first subchannel, need to dispatch in described first subchannel one new be scheduled terminal time, update the schedule information corresponding to the described new terminal that is scheduled；
Described first sending module, be additionally operable to the schedule information corresponding to the described new terminal that is scheduled after updating be carried on main channel Frame leading and described first subchannel Frame leading or frame in transmission.
In such scheme, described AP also includes new module depth of the night the in of；
The new module depth of the night in of described, if for receiving feedback response frame in the second subchannel, in the 3rd subchannel, do not receive feedback response frame, when needing the subchannel shared by terminal that is scheduled that would correspond to described second subchannel to extend to described second subchannel and described three subchannel, update the schedule information of the terminal that is scheduled corresponding to described second subchannel；
Described first sending module, is additionally operable in the leading or frame of the Frame that the schedule information corresponding to the terminal that is scheduled of described second subchannel after updating is carried on described second subchannel and described 3rd subchannel and sends.
The embodiment of the present invention also provides for a kind of terminal, and described terminal includes the second receiver module, parsing module, detection module, determines module and the second sending module；
Described second receiver module, is used for receiving scheduling frame；
Described parsing module, is used for resolving described scheduling frame, it is thus achieved that corresponding to the schedule information of all terminals that are scheduled；
Described detection module, for detecting the schedule information whether included in described schedule information corresponding to described terminal self, obtains testing result；
Described determine module, for when described testing result is for characterizing the schedule information included in described schedule information corresponding to described terminal self, determining the subchannel corresponding to described terminal according to described schedule information, and switch to described subchannel；
Described second sending module, after being used for waiting prefixed time interval, described terminal is feedback response frame in described subchannel, and described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
The embodiment of the present invention provides again a kind of system realizing scheduling of resource, and described system includes wireless access node AP and at least one terminal；
Described AP, sends for carrying out replicating to scheduling frame on each of the sub-channels, carries the schedule information corresponding to all terminals that are scheduled in described scheduling frame, and described subchannel includes main channel and each auxiliary channel；After waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；Described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence；
Described terminal, is used for receiving scheduling frame；Resolve described scheduling frame, it is thus achieved that corresponding to the schedule information of all terminals that are scheduled；Detect the schedule information whether included in described schedule information corresponding to described terminal self, obtain testing result；When described testing result is for characterizing the schedule information included in described schedule information corresponding to described terminal self, determines the subchannel corresponding to described terminal according to described schedule information, and switch to described subchannel；After waiting prefixed time interval, described terminal is feedback response frame in described subchannel.
What the embodiment of the present invention was provided a kind of realizes the method for scheduling of resource, equipment and system, scheduling frame is carried out replicating transmission by AP on each of the sub-channels, carrying the schedule information corresponding to all terminals that are scheduled in described scheduling frame, described subchannel includes main channel and each auxiliary channel；After waiting prefixed time interval, receiving the feedback response frame in one or more subchannel respectively, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.So, by the way of carrying out replicating transmission to scheduling frame on auxiliary channel, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet one that the embodiment of the present invention realizes the method for scheduling of resource；
Fig. 2 is the schematic flow sheet two that the embodiment of the present invention realizes the method for scheduling of resource；
Fig. 3 is the schematic flow sheet three that the embodiment of the present invention realizes the method for scheduling of resource；
Fig. 4 is the schematic flow sheet four that the embodiment of the present invention realizes the method for scheduling of resource；
Fig. 5 is the schematic flow sheet five that the embodiment of the present invention realizes the method for scheduling of resource；
Fig. 6 is the schematic flow sheet six that the embodiment of the present invention realizes the method for scheduling of resource；
Fig. 7 is the composition structural representation of embodiment of the present invention AP；
Fig. 8 is the composition structural representation of embodiment of the present invention terminal；
Fig. 9 is the composition structural representation that the embodiment of the present invention realizes the system of scheduling of resource；
Figure 10 is the flow chart that application example one of the present invention realizes the method for scheduling of resource；
Figure 11 is the flow chart that application example two of the present invention realizes the method for scheduling of resource；
Figure 12 is the flow chart that application example three of the present invention realizes the method for scheduling of resource；
Figure 13 is the flow chart that application example four of the present invention realizes the method for scheduling of resource.
Detailed description of the invention
In embodiments of the present invention, scheduling frame is carried out replicating transmission by AP on each of the sub-channels, carries the schedule information corresponding to all terminals that are scheduled in described scheduling frame, and described subchannel includes main channel and each auxiliary channel；After waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively.Wherein, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.
Embodiment one
Fig. 1 is the schematic flow sheet one that the embodiment of the present invention realizes the method for scheduling of resource, is applied to AP, as it is shown in figure 1, the method that the embodiment of the present invention realizes scheduling of resource includes:
Step S101: scheduling frame is carried out replicating sending on each of the sub-channels；
Here, carrying the schedule information corresponding to all terminals that are scheduled in described scheduling frame, described subchannel includes main channel and each auxiliary channel.Wherein, described schedule information includes the identity ID of terminal, corresponding subchannel (subchannel i.e. distributed), data frame transfer speed and power etc..
Specifically, scheduling frame is carried out replicating and sends by AP on each of the sub-channels, including: AP sends described scheduling frame on the primary channel, synchronization replication send the scheduling frame in main channel on each auxiliary channel.
Step S102: after waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively.
Wherein, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
Specifically, AP, after waiting prefixed time interval, receives the feedback response frame sent by the terminal that is scheduled in one or more subchannel respectively.If AP is in a certain subchannel, it is designated as the second subchannel, above receives feedback response frame, then may determine that the terminal successful dispatch that is scheduled that described second subchannel is corresponding；Otherwise, if AP is in a certain subchannel, be designated as the first subchannel, on do not receive feedback response frame, then may determine that the unsuccessful scheduling of the terminal that is scheduled that described first subchannel is corresponding, i.e. dispatch failure.
By the method realizing scheduling of resource described in the embodiment of the present invention one, scheduling frame is carried out replicating transmission on auxiliary channel by AP；So, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
Embodiment two
Fig. 2 is the schematic flow sheet two that the embodiment of the present invention realizes the method for scheduling of resource, is applied to AP, as in figure 2 it is shown, the method that the embodiment of the present invention realizes scheduling of resource includes:
Step S101: scheduling frame is carried out replicating sending on each of the sub-channels；
Here, carrying the schedule information corresponding to all terminals that are scheduled in described scheduling frame, described subchannel includes main channel and each auxiliary channel.Wherein, described schedule information includes the identity ID of terminal, corresponding subchannel (subchannel i.e. distributed), data frame transfer speed and power etc..
Specifically, scheduling frame is carried out replicating and sends by AP on each of the sub-channels, including: AP sends described scheduling frame on the primary channel, synchronization replication send the scheduling frame in main channel on each auxiliary channel.
Step S102: after waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；
Wherein, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
Specifically, AP, after waiting prefixed time interval, receives the feedback response frame sent by the terminal that is scheduled in one or more subchannel respectively.If AP receives feedback response frame in the second subchannel, then may determine that the terminal successful dispatch that is scheduled that described second subchannel is corresponding；Otherwise, if AP does not receives feedback response frame in the first subchannel, then may determine that the unsuccessful scheduling of the terminal that is scheduled that described first subchannel is corresponding, i.e. dispatch failure.
Here, described prefixed time interval can be that AP consults to determine with the terminal that is scheduled in advance, it is also possible to by being sent to, during sending scheduling frame, the terminal that is scheduled after being preset by AP.
Step S201: if not receiving feedback response frame in the first subchannel and described first subchannel is not belonging to main channel, then send in the leading or frame of the Frame that sub-schedule information is carried on leading and described first subchannel of the Frame of main channel.
Wherein, described sub-schedule information is the schedule information of the terminal that is scheduled corresponding to described first subchannel.
Specifically, AP described sub-schedule information is carried on the Frame of main channel leading in, and the leading or frame of the Frame of described first subchannel retransmits.
Here, it should be added that, if not receiving feedback response frame in the first subchannel, and described first subchannel is main channel, then send in the leading or frame of the Frame that sub-schedule information is directly carried on main channel.
So, the method realizing scheduling of resource described in the embodiment of the present invention two, in scheduling first, scheduling frame is carried out replicating transmission on auxiliary channel by AP；In scheduling again, if not receiving feedback response frame in the first subchannel after waiting prefixed time interval, then leading the or frame of the Frame that sub-schedule information is carried on main channel and described first subchannel sends.So, it is only to dispatch the schedule information that unsuccessful terminal is corresponding first by the schedule information in scheduling again, and scheduling first and the schedule information again dispatched are transmitted in a different manner, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
Embodiment three
Fig. 3 is the schematic flow sheet three that the embodiment of the present invention realizes the method for scheduling of resource, is applied to AP, as it is shown on figure 3, the method that the embodiment of the present invention realizes scheduling of resource includes:
Step S101: scheduling frame is carried out replicating sending on each of the sub-channels；
Step S102: after waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；
Wherein, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
In present example example three, step S101～S102 are similar with step S101 in the aforementioned embodiment of the present invention one～S102, are not repeated herein and repeat.
Step S301: when receiving feedback response frame in the second subchannel, when needing the schedule information of the be scheduled terminal corresponding to described second subchannel to be updated, updates the schedule information corresponding to the described terminal that is scheduled；
Step S302: send in the leading or frame of the Frame that the schedule information after updating is carried on described second subchannel.
So, the method realizing scheduling of resource described in the embodiment of the present invention three, scheduling frame is carried out replicating transmission on auxiliary channel by AP, and further, the schedule information of the be scheduled terminal corresponding to described second subchannel is updated；So, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
Embodiment four
Fig. 4 is the schematic flow sheet four that the embodiment of the present invention realizes the method for scheduling of resource, is applied to AP, and as shown in Figure 4, the embodiment of the present invention realizes the method for scheduling of resource and includes:
Step S101: scheduling frame is carried out replicating sending on each of the sub-channels；
Step S102: after waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；
Wherein, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
In present example example four, step S101～S102 are similar with step S101 in the aforementioned embodiment of the present invention one～S102, are not repeated herein and repeat.
Step S401: if not receiving feedback response frame in the first subchannel, need to dispatch in described first subchannel one new be scheduled terminal time, update the schedule information corresponding to the described new terminal that is scheduled；
Step S402: send in the leading or frame of the Frame that the schedule information corresponding to the described new terminal that is scheduled after updating is carried on leading and described first subchannel of the Frame of main channel.
So, the method realizing scheduling of resource described in the embodiment of the present invention four, scheduling frame is carried out replicating transmission on auxiliary channel by AP, in scheduling again, if not receiving feedback response frame after wait prefixed time interval in the first subchannel, then in described first subchannel, dispatch a new terminal that is scheduled.So, it is only to dispatch the schedule information that unsuccessful terminal is corresponding first by the schedule information in scheduling again, and scheduling first and the schedule information again dispatched are transmitted in a different manner, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
Embodiment five
Fig. 5 is the schematic flow sheet five that the embodiment of the present invention realizes the method for scheduling of resource, is applied to AP, as it is shown in figure 5, the method that the embodiment of the present invention realizes scheduling of resource includes:
Step S101: scheduling frame is carried out replicating sending on each of the sub-channels；
Step S102: after waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；
Wherein, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
In present example example five, step S101～S102 are similar with step S101 in the aforementioned embodiment of the present invention one～S102, are not repeated herein and repeat.
Step S501: if receiving feedback response frame in the second subchannel, in the 3rd subchannel, do not receive feedback response frame, when needing the subchannel shared by terminal that is scheduled that would correspond to described second subchannel to extend to described second subchannel and described three subchannel, update the schedule information of the terminal that is scheduled corresponding to described second subchannel；
Step S502: in the leading or frame of the Frame that is carried on described second subchannel and described 3rd subchannel of the schedule information corresponding to the terminal that is scheduled of described second subchannel after updating and send.
So, the method realizing scheduling of resource described in the embodiment of the present invention five, scheduling frame is carried out replicating transmission on auxiliary channel by AP, and in scheduling again, the subchannel shared by terminal that is scheduled that would correspond to described second subchannel extends to described second subchannel and described 3rd subchannel.So, it is only to dispatch the schedule information that unsuccessful terminal is corresponding first by the schedule information in scheduling again, and scheduling first and the schedule information again dispatched are transmitted in a different manner, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
Embodiment six
Fig. 6 is the schematic flow sheet six that the embodiment of the present invention realizes the method for scheduling of resource, is applied to terminal, and as shown in Figure 6, the embodiment of the present invention realizes the method for scheduling of resource and includes:
Step S601: receive scheduling frame；
Step S602: resolve described scheduling frame, it is thus achieved that corresponding to the schedule information of all terminals that are scheduled；
Step S603: detect the schedule information whether included in described schedule information corresponding to described terminal self, obtain testing result；
Step S604: when described testing result is for characterizing the schedule information included in described schedule information corresponding to described terminal self, determines the subchannel corresponding to described terminal according to described schedule information, and switch to described subchannel；
Here, when described testing result is for characterizing the schedule information not included in described schedule information corresponding to described terminal self, it may be determined that described terminal is not engaged in this scheduling, therefore terminates flow process.
Step S605: after waiting prefixed time interval, described terminal is feedback response frame in described subchannel.
Wherein, described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
By the method realizing scheduling of resource described in the embodiment of the present invention six, it is possible to be effectively improved the reliability of channel utilization and transmitting scheduling information.
Embodiment seven
Fig. 7 is the composition structural representation of embodiment of the present invention AP, as it is shown in fig. 7, described AP includes the first sending module 701 and the first receiver module 702；
Described first sending module 701, sends for carrying out replicating to scheduling frame on each of the sub-channels, carries the schedule information corresponding to all terminals that are scheduled in described scheduling frame, and described subchannel includes main channel and each auxiliary channel；
Specifically, described first sending module 701 sends described scheduling frame on the primary channel, synchronization replication send the scheduling frame in main channel on each auxiliary channel.
Described first receiver module 702, after being used for waiting prefixed time interval, receives the feedback response frame in one or more subchannel respectively；Described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
In one embodiment, as shown in Figure 7, described first sending module 701, if being additionally operable to not receive feedback response frame in the first subchannel and described first subchannel belonging to auxiliary channel, then leading the or frame of the Frame that sub-schedule information is carried on leading and described first subchannel of the Frame of main channel sends；If being additionally operable to not receive feedback response frame in the first subchannel and described first subchannel belonging to main channel, then leading the or frame of the Frame that sub-schedule information is carried on main channel sends.
Wherein, described sub-schedule information is the schedule information of the terminal that is scheduled corresponding to described first subchannel.
In one embodiment, as it is shown in fig. 7, described AP also includes the first more new module 703；
Described first more new module 703, for when receiving feedback response frame in the second subchannel, when needing the schedule information of the be scheduled terminal corresponding to described second subchannel to be updated, updates the schedule information corresponding to the described terminal that is scheduled；
Described first sending module 701, is additionally operable in the leading or frame of the Frame that the schedule information after updating is carried on described second subchannel send.
In one embodiment, as it is shown in fig. 7, described AP also includes the second more new module 704；
Described second more new module 704, if for not receiving feedback response frame in the first subchannel, need to dispatch in described first subchannel one new be scheduled terminal time, update the schedule information corresponding to the described new terminal that is scheduled；
Described first sending module 701, be additionally operable to the schedule information corresponding to the described new terminal that is scheduled after updating be carried on main channel Frame leading and described first subchannel Frame leading or frame in transmission.
In one embodiment, as it is shown in fig. 7, described AP also includes new module 705 depth of the night in of；
New module 705 depth of the night in of described, if for receiving feedback response frame in the second subchannel, in the 3rd subchannel, do not receive feedback response frame, when needing the subchannel shared by terminal that is scheduled that would correspond to described second subchannel to extend to described second subchannel and described three subchannel, update the schedule information of the terminal that is scheduled corresponding to described second subchannel；
Described first sending module 701, is additionally operable in the leading or frame of the Frame that the schedule information corresponding to the terminal that is scheduled of described second subchannel after updating is carried on described second subchannel and described 3rd subchannel and sends.
Each module in AP described in the embodiment of the present invention all can be realized by the processor in AP, it is also possible to is realized by concrete logic circuit；Such as, in actual applications, can be realized by being positioned at the central processing unit (CPU) of AP, microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..
Embodiment eight
Fig. 8 is the composition structural representation of embodiment of the present invention terminal, and as shown in Figure 8, described terminal includes the second receiver module 801, parsing module 802, detection module 803, determines module 804 and the second sending module 805；
Described second receiver module 801, is used for receiving scheduling frame；
Described parsing module 802, is used for resolving described scheduling frame, it is thus achieved that corresponding to the schedule information of all terminals that are scheduled；
Described detection module 803, for detecting the schedule information whether included in described schedule information corresponding to described terminal self, obtains testing result；
Described determine module 804, for when described testing result is for characterizing the schedule information included in described schedule information corresponding to described terminal self, determining the subchannel corresponding to described terminal according to described schedule information, and switch to described subchannel；
Described second sending module 805, after being used for waiting prefixed time interval, described terminal is feedback response frame in described subchannel, and described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence.
Each module in terminal described in the embodiment of the present invention all can be realized by the processor in terminal, it is also possible to is realized by concrete logic circuit；Such as, in actual applications, can be realized by being positioned at the central processing unit (CPU) of terminal, microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..
Embodiment nine
Fig. 9 is the composition structural representation that the embodiment of the present invention realizes the system of scheduling of resource, as it is shown in figure 9, described system includes AP901 and at least one terminal 902；
Described AP901, sends for carrying out replicating to scheduling frame on each of the sub-channels, carries the schedule information corresponding to all terminals that are scheduled in described scheduling frame, and described subchannel includes main channel and each auxiliary channel；After waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；Described feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence；
Described terminal 902, is used for receiving scheduling frame；Resolve described scheduling frame, it is thus achieved that corresponding to the schedule information of all terminals that are scheduled；Detect the schedule information whether included in described schedule information corresponding to described terminal self, obtain testing result；When described testing result is for characterizing the schedule information included in described schedule information corresponding to described terminal self, determines the subchannel corresponding to described terminal according to described schedule information, and switch to described subchannel；After waiting prefixed time interval, described terminal is feedback response frame in described subchannel.
In actual applications, described AP901 and described terminal 902 can correspond respectively to composition structure as shown in Figure 7 and Figure 8.
Concrete application scenarios
Application example one:
Figure 10 is the flow chart that application example one of the present invention realizes the method for scheduling of resource.With reference to Figure 10, first, AP sends scheduling frame 11, and this frame carries out replicating transmission at every sub-channels, carries the relevant information of each terminal that is scheduled, such as terminal identity mark ID, the subchannel of distribution, data frame transfer speed and power etc. in frame；Secondly, terminal receives described scheduling frame, if containing own schedule information in frame, respective sub-channel will be switched to, after waiting prefixed time interval, feedback response frame 12 to AP in the subchannel of each distribution, if it did not, by according to duration (duration) information carried in the frame head in scheduling frame in a dormant state；Then, AP, after prefixed time interval, sends downlink data packet 13 to terminal at each sub-channels, and can carry the schedule information to terminal in the leading or frame of the Frame of every sub-channels；Finally, the terminal Frame to being properly received sends response frame 14 to AP in respective sub-channel, hence into conventional packet transmitting-receiving process.
Application example two:
Figure 11 is the flow chart that application example two of the present invention realizes the method for scheduling of resource.Send scheduling frame 21 with reference to Figure 11, AP, and be, on each auxiliary channel, the scheduling frame of main channel is replicated transmission.After prefixed time interval, AP has correctly received the response frame 22 of terminal STA 1, STA3 and STA4, but is not properly received the response frame 23 of terminal STA 2, then dispatch terminal STA2 again on auxiliary channel 1.Schedule information is sent after a certain time interval by AP.Owing to AP has had successfully received the feedback response frame of terminal STA 1, STA3 and STA4, if needing the schedule information of terminal STA 1, STA3 and STA4 is updated, the schedule information then updated will be carried in the leading of the Frame of respective sub-channel or frame, it is respectively 24,26 and 27, but the schedule information again dispatched terminal STA 2 needs to be carried on the leading and auxiliary channel 1 of master channel data frame 24 in the leading or frame of Frame 25.After prefixed time interval, AP receives from the response frame 28 of each terminal, to show that it sends the whether success of this Frame, or shows its dispatch terminal STA2 whether success again.
Application example three:
Figure 12 is the flow chart that application example three of the present invention realizes the method for scheduling of resource.With reference to Figure 12, the subchannel failed to scheduling updates scheduler object.AP sends scheduling frame 31, and is on each of the sub-channels the scheduling frame of main channel to be replicated transmission.After prefixed time interval, AP has correctly received the response frame 32 of terminal STA 1, STA3 and STA4, but is not properly received the response frame 33 of terminal STA 2, then dispatches a new terminal STA 5 on auxiliary channel 1.Schedule information is sent after prefixed time interval by AP.Owing to AP has had successfully received the feedback response frame of terminal STA 1, STA3 and STA4, if needing their schedule information is updated, the schedule information then updated will be carried in the leading of the Frame of respective sub-channel or frame, it is respectively 39,36 and 37, but needs to be carried in the leading or frame of the Frame 310 of the leading and auxiliary channel 1 of master channel data frame 39 to the schedule information of communication terminal STA5.After intervals, AP receives the response frame 38 from each terminal, the most successful to show that it sends this Frame, and shows that its dispatch terminal STA5 is the most successful.
Application example four:
Figure 13 is the flow chart that application example four of the present invention realizes the method for scheduling of resource.With reference to Figure 13, the channel of scheduled successful terminal is extended to dispatching failed subchannel.AP sends scheduling frame 41, and is on each of the sub-channels the scheduling frame of main channel to be replicated transmission.After intervals, AP has correctly received the response frame 42 of terminal STA 1, STA3 and STA4, but it is not properly received the response frame 43 of terminal STA 2, then extends to take main channel and auxiliary channel 1 from only only taking up main channel by the subchannel shared by terminal STA 1 simultaneously.Schedule information is sent after prefixed time interval by AP.Owing to AP has had successfully received the feedback response frame of terminal STA 3 and STA4, if needing the schedule information of terminal STA 3 and STA4 is updated, the schedule information then updated will be carried in the leading of the Frame of respective sub-channel or frame, it is respectively 46 and 47, but need the schedule information of the channel expansion of terminal STA 1 to be carried on leading the 412 of master channel data frame and Frame 411 frame in, leading the 413 of the most auxiliary channel 1 are to the duplication of leading 412 in main channel.After prefixed time interval, AP receives the response frame 48 from each terminal, the most successful to show that it sends this Frame, and shows that its dispatch terminal STA1 is the most successful.
The above; being only the detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should contain within protection scope of the present invention.
Claims (15)
1. the method realizing scheduling of resource, is applied to wireless access node, it is characterised in that described side
Method includes:
Carry out replicating to scheduling frame on each of the sub-channels and send, described scheduling frame carries corresponding to all
The schedule information of the terminal that is scheduled, described subchannel includes main channel and each auxiliary channel；
After waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；Institute
State feedback response frame and characterize the scheduling being successfully completed terminal that described subchannel and correspondence are scheduled.
Method the most according to claim 1, it is characterised in that described method also includes:
If not receiving feedback response frame in the first subchannel and described first subchannel belonging to auxiliary channel, then will
Sub-schedule information be carried on the leading of the Frame of leading and described first subchannel of the Frame of main channel or
Frame sends；
If not receiving feedback response frame in the first subchannel and described first subchannel belonging to main channel, then will
Sub-schedule information is carried in the leading of the Frame of main channel or frame transmission；
Wherein, described sub-schedule information is the schedule information of the terminal that is scheduled corresponding to described first subchannel.
Method the most according to claim 1 and 2, it is characterised in that described the most right
Scheduling frame carries out replicating transmission, including:
Send described scheduling frame on the primary channel, synchronization replication sending in main channel on each auxiliary channel
Scheduling frame.
Method the most according to claim 1 and 2, it is characterised in that described method also includes: when
Receive feedback response frame in second subchannel, need the tune of the be scheduled terminal corresponding to described second subchannel
When degree information is updated, update the schedule information corresponding to the described terminal that is scheduled；
Leading or the frame of the Frame that the schedule information after updating is carried on described second subchannel is sent out
Send.
Method the most according to claim 1, it is characterised in that described method also includes:
If not receiving feedback response frame in the first subchannel, need to dispatch one in described first subchannel
New be scheduled terminal time, update the schedule information corresponding to the described new terminal that is scheduled；
The schedule information corresponding to the described new terminal that is scheduled after updating is carried on the Frame of main channel
Leading and described first subchannel Frame leading or frame in send.
Method the most according to claim 1, it is characterised in that described method also includes:
If receiving feedback response frame in the second subchannel, in the 3rd subchannel, do not receive feedback response frame,
The subchannel shared by terminal that is scheduled that would correspond to described second subchannel is needed to extend to described second son
When channel and described three subchannel, update the scheduling letter of the terminal that is scheduled corresponding to described second subchannel
Breath；
The schedule information corresponding to the terminal that is scheduled of described second subchannel after updating is carried on described the
In the leading or frame of the Frame of two subchannels and described 3rd subchannel and send.
7. a resource regulating method, is applied to terminal, it is characterised in that described method includes:
Receive scheduling frame；
Resolve described scheduling frame, it is thus achieved that corresponding to the schedule information of all terminals that are scheduled；
Detect the schedule information whether included in described schedule information corresponding to described terminal self, examined
Survey result；
When described testing result is for characterizing the tune included in described schedule information corresponding to described terminal self
During degree information, determine the subchannel corresponding to described terminal according to described schedule information, and switch to described son
Channel；
After waiting prefixed time interval, described terminal is feedback response frame in described subchannel, and described feedback is rung
Frame is answered to characterize the scheduling being successfully completed terminal that described subchannel and correspondence are scheduled.
8. a wireless access node AP, it is characterised in that described AP includes the first sending module and
One receiver module；
Described first sending module, sends for carrying out replicating to scheduling frame on each of the sub-channels, described tune
Carrying the schedule information corresponding to all terminals that are scheduled in degree frame, described subchannel includes that main channel is with each
Individual auxiliary channel；
Described first receiver module, after being used for waiting prefixed time interval, receives one or more son respectively
Feedback response frame on channel；Described feedback response frame characterizes and is successfully completed described subchannel and correspondence
The scheduling of the terminal that is scheduled.
AP the most according to claim 8, it is characterised in that
Described first sending module, if being additionally operable to not receive feedback response frame and described in the first subchannel
One subchannel belongs to auxiliary channel, then sub-schedule information is carried on Frame leading and described of main channel
Leading or the frame of the Frame of one subchannel sends；If being additionally operable to not receive feedback in the first subchannel
Response frame and described first subchannel belong to main channel, then sub-schedule information is carried on the Frame of main channel
Leading or frame in send；
Wherein, described sub-schedule information is the schedule information of the terminal that is scheduled corresponding to described first subchannel.
AP the most according to claim 8 or claim 9, it is characterised in that
Described first sending module, specifically for sending described scheduling frame on the primary channel, at each auxiliary channel
Upper synchronization replication also sends the scheduling frame in main channel.
11. AP according to claim 8 or claim 9, it is characterised in that described AP also includes first more
New module；
Described first more new module, for when receiving feedback response frame in the second subchannel, needing described
When the schedule information of terminal that what the second subchannel was corresponding be scheduled is updated, updates and be scheduled corresponding to described
The schedule information of terminal；
Described first sending module, is additionally operable to the schedule information after updating and is carried on described second subchannel
Leading or the frame of Frame sends.
12. AP according to claim 8, it is characterised in that described AP also includes the second renewal mould
Block；
Described second more new module, if for not receiving feedback response frame in the first subchannel, needing in institute
State dispatch in the first subchannel one new be scheduled terminal time, update corresponding to the described new terminal that is scheduled
Schedule information；
Described first sending module, is additionally operable to the scheduling corresponding to the described new terminal that is scheduled after updating
Information is carried on the leading or frame of the Frame of leading and described first subchannel of the Frame of main channel
Middle transmission.
13. AP according to claim 8, it is characterised in that described AP also includes the 3rd renewal mould
Block；
The new module depth of the night in of described the, if for receiving feedback response frame, at the 3rd son in the second subchannel
Receive feedback response frame on channel, need to would correspond to being scheduled shared by terminal of described second subchannel
When subchannel extends to described second subchannel and described three subchannel, update corresponding to described second son letter
The schedule information of the terminal that is scheduled in road；
Described first sending module, is additionally operable to being scheduled end corresponding to described second subchannel after updating
The schedule information of end is carried on the leading or frame of the Frame of described second subchannel and described 3rd subchannel
In body and send.
14. 1 kinds of terminals, it is characterised in that described terminal includes the second receiver module, parsing module, inspection
Survey module, determine module and the second sending module；
Described second receiver module, is used for receiving scheduling frame；
Described parsing module, is used for resolving described scheduling frame, it is thus achieved that corresponding to the scheduling of all terminals that are scheduled
Information；
Whether described detection module, be used for detecting in described schedule information and include corresponding to described terminal self
Schedule information, obtain testing result；
Described determine module, for including correspondence when described testing result is used for characterizing in described schedule information
When the schedule information of described terminal self, determine the son letter corresponding to described terminal according to described schedule information
Road, and switch to described subchannel；
Described second sending module, after being used for waiting prefixed time interval, described terminal is in described subchannel
Feedback response frame, described feedback response frame characterizes to be successfully completed and is scheduled described subchannel and correspondence end
The scheduling of end.
15. 1 kinds of systems realizing scheduling of resource, it is characterised in that described system includes wireless access node
AP and at least one terminal；
Described AP, sends for carrying out replicating to scheduling frame on each of the sub-channels, carries in described scheduling frame
Having the schedule information corresponding to all terminals that are scheduled, described subchannel includes main channel and each auxiliary channel；
After waiting prefixed time interval, receive the feedback response frame in one or more subchannel respectively；Described instead
Feedback response frame characterizes the scheduling being successfully completed the terminal that is scheduled described subchannel and correspondence；
Described terminal, is used for receiving scheduling frame；Resolve described scheduling frame, it is thus achieved that be scheduled end corresponding to all
The schedule information of end；Detect and whether described schedule information includes the scheduling letter corresponding to described terminal self
Breath, obtains testing result；Include corresponding to institute when described testing result is used for characterizing in described schedule information
When stating the schedule information of terminal self, determine the subchannel corresponding to described terminal according to described schedule information,
And switch to described subchannel；After waiting prefixed time interval, described terminal is fed back in described subchannel and is rung
Answer frame.
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| CN201510180736.6A CN106162910A (en) | 2015-04-16 | 2015-04-16 | A kind of realize the method for scheduling of resource, equipment and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018133032A1 (en) * | 2017-01-20 | 2018-07-26 | Nokia Technologies Oy | Method and apparatus for data transmission and reception in a wireless communication system |
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| CN102013959A (en) * | 2010-12-01 | 2011-04-13 | 北京新岸线无线技术有限公司 | Communication method and wireless communication system for realizing multi-user dispatching |
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