CN101667907A - Method, system and equipment for synchronous processing - Google Patents
Method, system and equipment for synchronous processing Download PDFInfo
- Publication number
- CN101667907A CN101667907A CN 200810190737 CN200810190737A CN101667907A CN 101667907 A CN101667907 A CN 101667907A CN 200810190737 CN200810190737 CN 200810190737 CN 200810190737 A CN200810190737 A CN 200810190737A CN 101667907 A CN101667907 A CN 101667907A
- Authority
- CN
- China
- Prior art keywords
- time slot
- equipment
- guarantees
- information
- assurance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
The invention relates to a method, a system and equipment for synchronous processing. The method comprises the following steps: receiving request message; in a competitive access period or a non-competitive access period before an ensured time slot of a current super-frame, or in an ensured time slot of a current super-frame, sending information containing time stamp; and in the competitive accessperiod or the non-competitive access period before the ensured time slot of the current super-frame, or in the ensured time slot of the current super-frame, receiving the information containing the time stamp acquired according to the request message, and using the self ensured time slot in the current super-frame to perform communication according to the synchronization of the time stamp and a coordinator. The method, the system and the equipment greatly reduce the communication time delay, and ensure the communication quality of service which has higher requirement on the communication timedelay.
Description
Technical field
The embodiment of the invention relates to network field, relates in particular to a kind of synchronization processing method, system and equipment.
Background technology
The wireless personal area network (Wireless Personal Area Network, hereinafter to be referred as: WPAN), the coordinator periodically sends superframe, and the coordinator normally has the equipment of strong communication and information processing capability.
Fig. 1-1 is the superframe structure schematic diagram one of beacon interval in the prior art (Beacon Interval).As Figure 1-1, superframe generally comprises active period and non-active period, promptly keeps the position, and the period at active period place is divided into a plurality of time slots, comprising three parts, be respectively beacon (beacon), competition access period (CAP) and non-competing access period (CFP).Beacon among Fig. 1-1 is positioned at the start-up portion of superframe, is used for the structure of sync correlation equipment and description superframe, i.e. the time slot arrangement of CAP and CFP.Fig. 1-2 is the superframe structure schematic diagram two of beacon interval in the prior art.Shown in Fig. 1-2, in each beacon interval (Beacon Interval) one or more superframe structures are arranged, a plurality of superframe structures possibilities in each beacon interval are identical also may be different, usually the period at the initial superframe structure place in beacon interval is divided into a plurality of parts, comprise beacon (beacon), competition access period (CAP), non-competing access period (CFP), the period at remaining superframe structure place is divided into a plurality of parts, comprises competition access period (CAP), a part or a few part in non-competing access period (CFP) and the beacon slot (beacon slot).Beacon is positioned at the start-up portion of beacon interval among Fig. 2, is used for sync correlation equipment and describes the interior superframe structure of this beacon interval, i.e. the time slot arrangement of CAP, CFP and beacon slot.
The competition of each superframe structure in Fig. 1-1 and 1-2 inserts period, and all relevant devices send information or ask the coordinator to send information to the coordinator by competitive way, so are usually used in the communication lower to the transmission delay requirement this period; The non-competing access of each superframe structure is divided into several periods period, this period is called assurance time slot (GTS), each guarantees that time slot comprises one or more time slots, one guarantees that time slot is only distributed to an equipment and the coordinator communicates, promptly do not allow other equipment to communicate by letter in this assurance time slot, so be usually used in communication that transmission delay is had relatively high expectations this period with the coordinator.，
When certain equipment need use the assurance time slot, in the competition access period at current superframe, send assurance time slot request command to the coordinator by competitive way; Guarantee then to send response message by the time slot request command if the coordinator receives, do not comprise whether the coordinator has guaranteed time slot to devices allocation information in the response message to this equipment; The information whether coordinator will guarantee time slot for this devices allocation is carried at from next superframe and begins then this information to be deleted from beacon the beacon of superframe of continuous certain number.Equipment begins to monitor beacon from next superframe after send guaranteeing the time slot request command and receiving the response message that the coordinator returns, the relevant information with the assurance time slot that obtains oneself comprises guaranteeing that gap information or application guarantee the information that time slot is failed.Before equipment obtains to guarantee the relevant information of time slot, only be allowed to monitor continuously the beacon of no more than certain number.If equipment obtains to guarantee gap information,, then bring into use the assurance time slot of distributing to it period in the non-competing access of current superframe, and afterwards in each superframe identical assurance time slot all use by this equipment, initiate program up to this equipment or coordinator, should guarantee the time slot deletion.。
In the prior art, equipment obtains and preserves the transmission cycle and the time slot arrangement of superframe by certain mode, and, send superframe and equipment each coordinator and will when this superframe communicates period, monitor beacon in the hope of synchronous with the coordinator according to transmission cycle of the own superframe of being preserved.After having only accurate synchronization, equipment could correctly be judged also could use the assurance time slot in the current superframe in the position that guarantees time slot.If it is synchronous that equipment is failed by monitoring beacon and coordinator, then can not use the assurance time slot, perhaps, can not obtain to guarantee the relevant information of time slot, can not use then to guarantee time slot or in time know to use the assurance time slot; And this equipment will arrive the next superframe that comprises beacon at the soonest could use the assurance time slot, or obtains to guarantee the relevant information of time slot.In this case, guarantee that the communication delay of time slot will increase, for the business that communication delay is had relatively high expectations, caused great influence.
Summary of the invention
The embodiment of the invention provides a kind of synchronization processing method, system and equipment, fails to reduce communication delay by monitoring under beacon and the synchronous situation of coordinator the communication quality of the business that assurance is had relatively high expectations to communication delay at equipment.
The embodiment of the invention provides a kind of synchronization processing method, comprising:
Receive request message;
Competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, sends the information that includes time stamp.
The embodiment of the invention also provides a kind of synchronization processing method, comprising:
Competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, the information that includes time stamp that reception is obtained according to request message, synchronous according to described time stamp and coordinator, use that the time slot that guarantees of self communicates in the current superframe.
The embodiment of the invention provides a kind of Mediation Device, comprising:
First receiver module is used to receive request message;
First sending module is used for the request message that receives according to described first receiver module, and the competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, sends the information that includes time stamp.
The embodiment of the invention provides a kind of equipment, comprising:
Second receiver module is used for competition before the assurance time slot of current superframe and inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, receives the information of obtaining according to request message that includes time stamp;
The synchronous communication module is used for according to described time stamp and Mediation Device synchronously, uses that the time slot that guarantees of self communicates in the current superframe.
The embodiment of the invention provides a kind of Synchronous Processing system, comprising:
Mediation Device is used to receive request message, and competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, sends the information that includes time stamp to second equipment;
Second equipment is used to receive the described information that includes time stamp, and is synchronous according to described time stamp and described Mediation Device, uses that the time slot that guarantees of self communicates in the current superframe.
The competition of the embodiment of the invention before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, the information that includes time stamp is provided, the equipment that makes can be synchronous with the coordinator in current superframe, and do not need to wait until next superframe, greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
Description of drawings
Fig. 1-1 is the superframe structure schematic diagram one of the beacon interval of prior art;
Fig. 1-2 is the superframe structure schematic diagram two of the beacon interval of prior art;
Fig. 2 is the flow chart of the embodiment of the invention one synchronous processing method;
Fig. 3 is the flow chart of the embodiment of the invention two synchronization processing methods;
Fig. 4 is the flow chart of the embodiment of the invention three synchronization processing methods;
Fig. 5 is the sequential schematic diagram of the embodiment of the invention three synchronization processing methods;
Fig. 6 is the flow chart of the embodiment of the invention four synchronization processing methods;
Fig. 7 is the sequential schematic diagram of the embodiment of the invention four synchronization processing methods;
Fig. 8 is the flow chart of the embodiment of the invention five synchronization processing methods;
Fig. 9 is a sequential schematic diagram of the embodiment of the invention five synchronization processing methods;
Figure 10 is another sequential schematic diagram of the embodiment of the invention five synchronization processing methods;
Figure 11 is the flow chart of the embodiment of the invention six synchronization processing methods;
Figure 12 is the sequential schematic diagram of the embodiment of the invention six synchronization processing methods;
Figure 13 is the schematic diagram of clocking error;
Figure 14 is the schematic diagram of the assurance slot time that uses in the embodiment of the invention six synchronization processing methods;
Figure 15 is the structural representation of embodiment of the invention Mediation Device;
Figure 16 is the structural representation of embodiment of the invention equipment;
Figure 17 is the structural representation of embodiment of the invention Synchronous Processing system;
Figure 18 for the synchronization processing method of the embodiment of the invention beacon interval comprise a plurality of superframe structures under the sequential schematic diagram.
Embodiment
Below by drawings and Examples, the technical scheme of the embodiment of the invention is described in further detail.
Fig. 2 is the flow chart of the embodiment of the invention one synchronous processing method, as shown in Figure 2, specifically comprises the steps:
In the present embodiment, after receiving request message, competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, transmission includes the information of time stamp, and the equipment that makes can be synchronous with the coordinator in current superframe, and do not need to wait until next beacon interval, greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
Fig. 3 is the flow chart of the embodiment of the invention two synchronization processing methods, as shown in Figure 3, specifically comprises the steps:
In the present embodiment, competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, synchronous according to time stamp and coordinator, use that the time slot that guarantees of self communicates in the current superframe, and do not need to wait until next beacon interval, and greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
Fig. 4 is the flow chart of the embodiment of the invention three synchronization processing methods, and Fig. 5 is the sequential schematic diagram of the embodiment of the invention three synchronization processing methods, and present embodiment is directed to the known equipment that self guarantees time slot.As shown in Figure 4 and Figure 5, present embodiment specifically comprises the steps:
Known self the assurance time slot of this equipment when not hearing beacon, is promptly failed by monitoring beacon synchronously with the coordinator, then sends synchronization request message to the coordinator immediately, and present embodiment is in the 0th time slot transmission synchronization request message.
Step 302, coordinator receive synchronization request message, and competition before the assurance time slot of current superframe inserts period or non-competing access period, and present embodiment is specially at the 9th time slot, sends the information that comprises time stamp to this equipment;
After step 303, equipment receive this information that comprises time stamp, synchronous according to time stamp and coordinator, re-use that the assurance time slot (the 14th and 15 time slot) of self communicates in the current superframe.
Above-mentioned steps 301 and step 303 are executive agent with equipment, can be used as an embodiment of the synchronization processing method of equipment; Step 302 is executive agent with coordinator, can be used as an embodiment of coordinator's synchronization processing method.
In the present embodiment, when the known equipment that self guarantees time slot is failed by monitoring beacon and coordinator when synchronous, send synchronization request message to the coordinator, the coordinator sends the relevant information of time stamp to equipment before the assurance time slot of current superframe, the equipment that makes just can be synchronous according to the time stamp and the coordinator that obtain before the assurance time slot of self, and then just can use the assurance time slot at current superframe, and do not need to wait until next beacon interval, greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
Fig. 6 is the flow chart of the embodiment of the invention four synchronization processing methods, Fig. 7 is the sequential schematic diagram of the embodiment of the invention four synchronization processing methods, in the present embodiment, equipment has sent to the coordinator and has guaranteed the time slot request command and receive the response message that the coordinator returns, but equipment is not known the relevant information that guarantees time slot.As shown in Figure 6 and Figure 7, present embodiment specifically comprises the steps:
This equipment can not be synchronous by monitoring beacon and coordinator under the situation of not knowing the relevant information that guarantees time slot, then sends to the coordinator immediately and guarantee time slot request-related information message, and present embodiment sends this request message at the 0th time slot.
Step 403, the coordinator competition before the assurance time slot of current superframe inserts period or non-competing access period, present embodiment is specially the 9th time slot, send the information (representing with M1 among Fig. 7) that includes assurance gap information and time stamp, execution in step 405 to equipment;
Step 405, equipment receive and include the information that guarantees gap information and time stamp, and be synchronous according to time stamp and coordinator, again according to guaranteeing gap information, uses that the assurance time slot (the 14th and 15 time slot) of self communicates in the current superframe, end;
Above-mentioned steps 401,405 and 406 is an executive agent with equipment, can be used as an embodiment of the synchronization processing method of equipment; Step 402,403 and 404 is an executive agent with coordinator, can be used as an embodiment of coordinator's synchronization processing method.
In the present embodiment, when the unknown equipment that self guarantees time slot is failed by monitoring beacon and coordinator when synchronous, send assurance time slot request-related information message to the coordinator, if judging, the coordinator guarantees time slot for this devices allocation, then before the assurance time slot of current superframe, send the relevant information that guarantees gap information and time stamp to equipment, the equipment that makes just can be synchronous according to the time stamp and the coordinator that obtain before the assurance time slot of self, and then just can use the assurance time slot, and do not need to wait until next beacon interval at current superframe; Do not give this devices allocation assurance time slot if the coordinator judges, then send the notification message that application guarantees the time slot failure to equipment period at current superframe, the equipment that can not influence asks to guarantee time slot in time once more.Therefore, present embodiment greatly reduces communication delay, has guaranteed the communication quality of business that communication delay is had relatively high expectations.
Fig. 8 is the flow chart of the embodiment of the invention five synchronization processing methods, Fig. 9 is a sequential schematic diagram of the embodiment of the invention five synchronization processing methods, Figure 10 is another sequential schematic diagram of the embodiment of the invention five synchronization processing methods, as Fig. 8, Fig. 9 and shown in Figure 10, present embodiment specifically comprises the steps:
This first equipment has sent to the coordinator and has guaranteed the time slot request command, and receives the response message that the coordinator returns, and by monitoring the assurance time slot relevant information that beacon has obtained self; As shown in Figure 9, present embodiment can insert period (the 0th time slot and the 1st time slot) in the competition of current superframe, sends to the coordinator by competitive way and has obtained the notification message (representing with M3 among the figure) that guarantees the time slot relevant information; As shown in figure 10, present embodiment also can set in advance one period specific period, and this specific period sent to the coordinator in the specific period and to have obtained the notification message (representing with M3 among the figure) that guarantees the time slot relevant information before non-competing access period of current superframe.When sending this notification message, do not need and the competition of other information, and be convenient to the coordinator and be familiar with this notification message in the specific period.
Step 504, the coordinator competition before the assurance time slot of current superframe inserts period or non-competing access period, present embodiment is specially the 9th time slot, send the information (representing with M1 among the figure) that includes assurance gap information and time stamp, execution in step 506 to second equipment;
Step 506, second equipment receive and include the information that guarantees gap information and time stamp, and be synchronous according to time stamp and coordinator, again according to guaranteeing gap information, uses that the assurance time slot (the 14th and 15 time slot) of self communicates in the current superframe, end;
Above-mentioned steps 501,506 and 507 is an executive agent with equipment, can be used as an embodiment of the synchronization processing method of equipment; Step 502～505 are executive agent with coordinator, can be used as an embodiment of coordinator's synchronization processing method.
In the present embodiment, first equipment of known assurance time slot relevant information sends a notification message to the coordinator, makes the coordinator can know the known assurance time slot of which equipment relevant information, the unknown time slot relevant information that guarantees of which equipment; Further, if judging, the coordinator guarantees time slot for the unknown devices allocation of time slot relevant information that guarantees, send the relevant information that guarantees gap information and time stamp then before the assurance time slot of current superframe, for this equipment, make that this equipment just can be synchronous according to the time stamp and the coordinator that obtain before the assurance time slot of self, and then just can use the assurance time slot, and do not need to wait until next beacon at current superframe; Do not judge the devices allocation assurance time slot of giving unknown assurance time slot relevant information as if the coordinator, then send the notification message that application assurance time slot is failed to this equipment period, can not influence this equipment and ask to guarantee time slot in time once more at current superframe.Therefore, present embodiment greatly reduces communication delay, has guaranteed the communication quality of business that communication delay is had relatively high expectations.
Figure 11 is the flow chart of the embodiment of the invention six synchronization processing methods, and Figure 12 is the sequential schematic diagram of the embodiment of the invention six synchronization processing methods, and present embodiment is directed to the known equipment that self guarantees time slot.As Figure 11 and shown in Figure 12, present embodiment specifically comprises the steps:
Known self the assurance time slot of this equipment when not hearing beacon, is promptly failed by monitoring beacon synchronously with the coordinator, then according to the time slot arrangement of the superframe of self preservation, sends synchronization request message to the coordinator in the assurance time slot of self in current superframe.The time slot that guarantees of present embodiment equipment self is the 11st～13 time slot, sends synchronization request message at the 11st time slot.
After step 603, equipment received this information that comprises time stamp, synchronous according to time stamp and coordinator, communicated the remaining time (the 12nd and 13 time slot) that re-uses the assurance time slot of self in the current superframe.
In the present embodiment, because that equipment is temporarily failed with the coordinator is synchronous, so between the two clocking error can appear, Figure 13 is the schematic diagram of clocking error, as shown in figure 13, for single assurance time slot, fast clock is the maximum clock error with the difference of slow partially clock.If have clocking error between equipment and the coordinator, the then initial moment and the finish time of the assurance time slot of judging at foundation equipment local clock, can not determine that the coordinator also is in this assurance time slot, therefore is not that the institute in this assurance time slot if having time can both be by synchronous again.Figure 14 is the schematic diagram of the assurance slot time that uses in the embodiment of the invention six synchronization processing methods; as shown in figure 14; owing to there is the maximum clock error; with time of guaranteeing the beginning of time slot and ending maximum clock error length constantly as protection at interval, the middle time promptly is the operable assurance time slots of equipment and coordinator.
Above-mentioned steps 601 and 603 is an executive agent with equipment, can be used as an embodiment of the synchronization processing method of equipment; Step 602 is executive agent with coordinator, can be used as an embodiment of coordinator's synchronization processing method.
In the present embodiment, when the known equipment that self guarantees time slot is failed by monitoring beacon and coordinator when synchronous, in current superframe, send synchronization request message to the coordinator in the assurance time slot of self, the coordinator sends the relevant information of time stamp immediately to equipment, make equipment synchronous according to the time stamp and the coordinator that obtain, in current superframe, can use the assurance time slot in the remaining time of the assurance time slot of self, and do not need to wait until next beacon interval, greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
In the synchronization processing method of above embodiment, the superframe structure that all is based on the beacon interval shown in Fig. 1-1 (BeaconInterval) is an example, and the sequential schematic diagram of the synchronization processing method of the embodiment of the invention is described.For, the synchronization processing method of the foregoing description goes for the situation that beacon interval comprises a plurality of superframe structures equally, under the situation such as Fig. 1-2.As shown in figure 18, for the synchronization processing method of the embodiment of the invention beacon interval comprise a plurality of superframe structures under the sequential schematic diagram.
As shown in figure 18, known oneself the equipment of assurance time slot is if find not hear beacon, promptly fail by monitoring beacon and coordinator synchronous, then send synchronous request command,, also can send this synchronous request command repeatedly several times if do not receive coordinator's response to the coordinator.
If the coordinator receives this synchronous request command, then the competition before time slot begins of guaranteeing of this equipment inserts period or non-competing access period in current superframe structure, sends an information that comprises time stamp to this equipment.
After equipment is received this information, earlier synchronous according to time stamp in the information and coordinator, re-use own in current beacon interval from the residue superframe structure that current superframe begins the interim assurance time slot of distributing to it during non-competing access, and identical assurance time slot is all used by this equipment in each superframe structure of each beacon interval afterwards, initiate program up to this equipment or coordinator, should guarantee the time slot deletion.
Figure 15 is the structural representation of embodiment of the invention Mediation Device, and present embodiment can be the coordinator among the above-mentioned synchronization processing method embodiment.As shown in figure 15, present embodiment comprises first receiver module 11 and first sending module 12, wherein first receiver module 11 receives request message, the request message that first sending module 12 receives according to first receiver module 11, competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, send the information that includes time stamp.
Present embodiment can also comprise first judge module 13 and second sending module 14, wherein first judge module 13 judges whether to guarantee time slot to devices allocation, this equipment can be the equipment that sends a request message, and also can be the equipment that obtains according to the equipment that sends a request message.When if first judge module 13 is judged and to be guaranteed time slot to devices allocation, the competition of first sending module 12 before the assurance time slot of current superframe inserts period or non-competing access period, sends to this equipment to include the information that guarantees gap information and time stamp; When if first judge module 13 is judged not and to be guaranteed time slot to devices allocation, then second sending module 14 sends the notification message that application guarantees time slot failure in current superframe period to this equipment.
When request message be that first equipment sends more than one obtain the notification message that guarantees the time slot relevant information the time, present embodiment can comprise second judge module 15, wherein second judge module 15 is according to first equipment, judge and do not obtain second equipment that guarantees the time slot relevant information, and the assurance time slot relevant information of second equipment.First judge module 13 judges whether to guarantee time slot for second devices allocation, if first judge module 13 is judged when guaranteeing time slot for second devices allocation, the competition of first sending module 12 before the assurance time slot of current superframe inserts period or non-competing access period, sends to second equipment to include the information that guarantees gap information and time stamp; If first judge module 13 is judged not when guaranteeing time slot for second devices allocation, then second sending module 14 sends the notification message that application guarantees the time slot failure in current superframe period to second equipment.
In the present embodiment, after first receiver module receives request message, the competition of first sending module before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, transmission includes the information of time stamp, and the equipment that makes can be synchronous with the coordinator in current superframe, and do not need to wait until next beacon interval, greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
Figure 16 is the structural representation of embodiment of the invention equipment.As shown in figure 16, present embodiment comprises second receiver module 21 and synchronous communication module 22, wherein the competition of second receiver module 21 before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, receive the information of obtaining according to request message that includes time stamp; Synchronous communication module 22 is synchronous according to time stamp and Mediation Device, uses that the time slot that guarantees of self communicates in the current superframe.
Present embodiment can also comprise that the 3rd sending module 23, the three sending modules 23 send a request message.Further, if send synchronization request message in self the assurance time slot of the 3rd sending module 23 current superframes, then synchronous communication module 22 uses communicate the remaining time of the assurance time slot of self in the current superframe.
Present embodiment can also comprise the 3rd receiver module 24, and when Mediation Device guaranteed time slot for this devices allocation, the 3rd receiver module 24 received the notification message that application guarantees the time slot failure; When Mediation Device guaranteed time slot to devices allocation, second receiver module 21 received and includes the information that guarantees gap information and time stamp.
In the present embodiment, competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, synchronous according to time stamp and coordinator, use that the time slot that guarantees of self communicates in the current superframe, and do not need to wait until next beacon interval, and greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
Figure 17 is the structural representation of embodiment of the invention Synchronous Processing system.As shown in figure 17, present embodiment comprises the Mediation Device 1 and second equipment 2, wherein Mediation Device receives request message, competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, send the information that includes time stamp to second equipment 2; Second equipment 2 receives the information that includes time stamp, and is synchronous according to time stamp and Mediation Device, uses that the time slot that guarantees of self communicates in the current superframe.
Present embodiment can also comprise more than one first equipment, as first equipment 31, first equipment 32 and first equipment 33, these first equipment send to Mediation Device 1 and have obtained the notification message that guarantees the time slot relevant information, Mediation Device 1 is judged unknown second equipment 2 that guarantees the time slot relevant information according to this notification message that first receiver module 11 receives.
Further, Mediation Device 1 can be the arbitrary Mediation Device described in the invention described above embodiment Mediation Device in the present embodiment, and second equipment 2 can be the arbitrary equipment described in the invention described above embodiment equipment.
In the present embodiment, Mediation Device 1 is according to the request message that receives, competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, send the information that includes time stamp to second equipment 2, second equipment 2 is synchronous according to time stamp and coordinator, use that the time slot that guarantees of self communicates in the current superframe, and do not need to wait until next beacon interval, greatly reduce communication delay, guaranteed the communication quality of business that communication delay is had relatively high expectations.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is when carrying out, execution comprises the step of said method embodiment, and aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to the technical scheme of the explanation embodiment of the invention, is not intended to limit; Although the embodiment of the invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the embodiment of the invention.
Claims (20)
1, a kind of synchronization processing method is characterized in that comprising:
Receive request message;
Competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, sends the information that includes time stamp.
2, synchronization processing method according to claim 1 is characterized in that, described reception request message is specially:
Receive synchronization request message;
Perhaps, receive assurance time slot request-related information message;
Perhaps, receive the notification message that has obtained assurance time slot relevant information.
3, synchronization processing method according to claim 2, it is characterized in that, if described request message also comprises after the described reception request message for guaranteeing time slot request-related information message: the coordinator judges whether to give the devices allocation that sends described request message to guarantee time slot;
If then the competition before the assurance time slot of current superframe inserts period or non-competing access period, send and include the information that guarantees gap information and time stamp;
Otherwise,, send the notification message that application guarantees the time slot failure in current superframe period.
4, synchronization processing method according to claim 2 is characterized in that, described reception request message is specially: the coordinator receives the notification message that obtains assurance time slot relevant information that first equipment sends more than;
Also comprise after the described reception request message: described coordinator judges and does not obtain second equipment that guarantees the time slot relevant information according to described described first equipment that guarantees the time slot relevant information that obtained, and the assurance time slot relevant information of described second equipment;
If described coordinator guarantees time slot for described second devices allocation, then the competition before the assurance time slot of current superframe inserts period or non-competing access period, sends to second equipment to include the information that guarantees gap information and time stamp;
If described coordinator guarantees time slot for described second devices allocation, then, send the notification message that application guarantees the time slot failure to second equipment in current superframe period.
5, a kind of synchronization processing method is characterized in that comprising:
Competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, the information that includes time stamp that reception is obtained according to request message, synchronous according to described time stamp and coordinator, use that the time slot that guarantees of self communicates in the current superframe.
6, synchronization processing method according to claim 5 is characterized in that, described request message is specially: synchronization request message or guarantee time slot request-related information message or obtained the notification message that guarantees the time slot relevant information.
7, synchronization processing method according to claim 6, it is characterized in that, if described request message is synchronization request message, then before including the information of time stamp, reception also comprises: when the known equipment that self guarantees the time slot relevant information does not hear beacon, send synchronization request message to the coordinator.
8, synchronization processing method according to claim 7, it is characterized in that, if described equipment sends synchronization request message to the coordinator in self assurance time slot of current superframe, self guarantee that time slot communicates and be specially in the current superframe of then described use: use communicate the remaining time of the assurance time slot of self in the current superframe.
9, synchronization processing method according to claim 6, it is characterized in that, if described request message is for guaranteeing time slot request-related information message, the information that described reception includes time stamp is specially: when the coordinator guaranteed time slot to devices allocation, described equipment received and includes the information that guarantees gap information and time stamp;
Described method also comprises: when the coordinator did not guarantee time slot to devices allocation, described equipment received the notification message that application guarantees the time slot failure.
10, synchronization processing method according to claim 6, it is characterized in that, if described request message is for obtaining the notification message that guarantees the time slot relevant information, the information that described reception includes time stamp also comprises before: first equipment sends to the coordinator and has obtained the notification message that guarantees the time slot relevant information more than one;
The information that described reception includes time stamp is specially: when the coordinator guaranteed time slot for second devices allocation, second equipment received and includes the information that guarantees gap information and time stamp;
Described method also comprises: when the coordinator guaranteed time slot for second devices allocation, described second equipment received the notification message of application time slot failure.
11, synchronization processing method according to claim 10 is characterized in that, the described notification message that first equipment has obtained assurance time slot relevant information to coordinator's transmission more than is specially:
In competition access period of current superframe, described more than one first equipment send to the coordinator and obtained the notification message that guarantees the time slot relevant information;
Perhaps, in the specific period of current superframe, described more than one first equipment send to the coordinator and obtained the notification message that guarantees the time slot relevant information; The described specific period is before non-competing access period.
12, a kind of Mediation Device is characterized in that comprising:
First receiver module is used to receive request message;
First sending module is used for the request message that receives according to described first receiver module, and the competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, sends the information that includes time stamp.
13, Mediation Device according to claim 12 is characterized in that also comprising:
First judge module is used to judge whether guarantee time slot to devices allocation;
Second sending module is used for judging not when guaranteeing time slot for described devices allocation when described first judge module, in current superframe period, sends the notification message that application guarantees the time slot failure;
When described first judge module is judged when guaranteeing time slot for described devices allocation, the competition of described first sending module before the assurance time slot of current superframe inserts period or non-competing access period, sends to include the information that guarantees gap information and time stamp.
14, Mediation Device according to claim 13, it is characterized in that, when described request message be that first equipment sends more than one obtain the notification message that guarantees the time slot relevant information the time, described Mediation Device also comprises: second judge module, be used for according to described first equipment, judge and do not obtain second equipment that guarantees the time slot relevant information, and the assurance time slot relevant information of described second equipment;
Described first judge module judges whether to guarantee time slot for second devices allocation.
15, a kind of equipment is characterized in that comprising:
Second receiver module is used for competition before the assurance time slot of current superframe and inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, receives the information of obtaining according to request message that includes time stamp;
The synchronous communication module is used for according to described time stamp and Mediation Device synchronously, uses that the time slot that guarantees of self communicates in the current superframe.
16, equipment according to claim 15 is characterized in that also comprising: the 3rd sending module is used to send described request message.
17, equipment according to claim 16, it is characterized in that, if described the 3rd sending module sends synchronization request message in self assurance time slot of current superframe, then described synchronous communication module uses communicate the remaining time of the assurance time slot of self in the current superframe.
18, equipment according to claim 16 is characterized in that also comprising: the 3rd receiver module is used for receiving the notification message that application guarantees the time slot failure when Mediation Device guarantees time slot for described devices allocation;
When Mediation Device guaranteed time slot for described devices allocation, described second receiver module received and includes the information that guarantees gap information and time stamp.
19, a kind of Synchronous Processing system is characterized in that comprising:
Mediation Device is used to receive request message, and competition before the assurance time slot of current superframe inserts period or non-competing access period, perhaps in the assurance time slot of current superframe, sends the information that includes time stamp to second equipment;
Second equipment is used to receive the described information that includes time stamp, and is synchronous according to described time stamp and described Mediation Device, uses that the time slot that guarantees of self communicates in the current superframe.
20, Synchronous Processing according to claim 19 system is characterized in that also comprising: first equipment more than one is used for sending described request message to Mediation Device; Described request message is for obtaining the notification message that guarantees the time slot relevant information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810190737.9A CN101667907B (en) | 2008-09-05 | 2008-12-27 | Method, system and equipment for synchronous processing |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810119720 | 2008-09-05 | ||
| CN200810119720.4 | 2008-09-05 | ||
| CN200810190737.9A CN101667907B (en) | 2008-09-05 | 2008-12-27 | Method, system and equipment for synchronous processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101667907A true CN101667907A (en) | 2010-03-10 |
| CN101667907B CN101667907B (en) | 2014-08-20 |
Family
ID=41804362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810190737.9A Active CN101667907B (en) | 2008-09-05 | 2008-12-27 | Method, system and equipment for synchronous processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101667907B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857327A (en) * | 2012-04-16 | 2013-01-02 | 华为技术有限公司 | Data transmission method and apparatus |
| CN102869102A (en) * | 2012-09-26 | 2013-01-09 | 重庆基伍科技有限公司 | Asynchronous adaptive relative timeslot distribution method based on chirp spread spectrum (CSS) technology |
| CN110662293A (en) * | 2018-06-28 | 2020-01-07 | 普天信息技术有限公司 | Uplink service scheduling method and system based on discrete sub-band |
-
2008
- 2008-12-27 CN CN200810190737.9A patent/CN101667907B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857327A (en) * | 2012-04-16 | 2013-01-02 | 华为技术有限公司 | Data transmission method and apparatus |
| WO2013155901A1 (en) * | 2012-04-16 | 2013-10-24 | 华为技术有限公司 | Data transmission method and device |
| CN102857327B (en) * | 2012-04-16 | 2014-12-03 | 华为技术有限公司 | Data transmission method and apparatus |
| US9641289B2 (en) | 2012-04-16 | 2017-05-02 | Huawei Technologies Co., Ltd. | Data transmission method and apparatus |
| CN102869102A (en) * | 2012-09-26 | 2013-01-09 | 重庆基伍科技有限公司 | Asynchronous adaptive relative timeslot distribution method based on chirp spread spectrum (CSS) technology |
| CN102869102B (en) * | 2012-09-26 | 2014-11-26 | 重庆基伍科技有限公司 | Asynchronous adaptive relative timeslot distribution method based on chirp spread spectrum (CSS) technology |
| CN110662293A (en) * | 2018-06-28 | 2020-01-07 | 普天信息技术有限公司 | Uplink service scheduling method and system based on discrete sub-band |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101667907B (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5367524A (en) | Method for sequential data transmission | |
| US8380196B2 (en) | Handover using dedicated resources reserved for a limited time interval | |
| CN101815286B (en) | Network based on beacon, method of joining network and frame transmission method and device | |
| CN101534541B (en) | Mobile communications system, radio control device, and base station | |
| CN106851839A (en) | Frame structure determines method and base station | |
| RU2005106258A (en) | METHOD AND DEVICE FOR WORKING WITH MOBILE NODES IN MULTIPLE CONDITIONS | |
| CN102036361A (en) | Processing method, device and system for clock source selection | |
| JP2001358732A (en) | Method for allocating resource in shared channel, corresponding mobile terminal and corresponding base station | |
| CN107548103A (en) | Data forwarding method and device | |
| CN104756577A (en) | Systems and methods for efficient channel synchronization | |
| WO2019134615A1 (en) | Paging location or resident location determination method and device | |
| CN111148211A (en) | Clock synchronization method and device, computer equipment and storage medium | |
| CN109076571A (en) | A kind of processing method, base station and terminal controlling information | |
| JP2021523614A (en) | How to get information, devices and devices, and computer storage media | |
| EP3232718A1 (en) | Device | |
| CN101695188A (en) | Method for correcting local time and clock server | |
| CN101667907B (en) | Method, system and equipment for synchronous processing | |
| CN101164363B (en) | Radiocommunication system mobile station which can communicate directly with another mobile station | |
| CN103067111A (en) | Method and device of clock synchronization | |
| CN105763278B (en) | A kind of method and apparatus of time backtracking | |
| CN111953441B (en) | Synchronization method and device | |
| CN102065521A (en) | Communication method and communication system | |
| US9629151B2 (en) | Antenna buffer management for downlink physical layer | |
| CN108307416B (en) | Internet of things terminal management method | |
| CN115278705B (en) | Communication time sequence planning method, device, related equipment, storage medium and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |