CN102026396B - Polling method and system compatible with Bluetooth protocol and possessing promoted transmission efficiency - Google Patents

Polling method and system compatible with Bluetooth protocol and possessing promoted transmission efficiency Download PDF

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CN102026396B
CN102026396B CN 200910172956 CN200910172956A CN102026396B CN 102026396 B CN102026396 B CN 102026396B CN 200910172956 CN200910172956 CN 200910172956 CN 200910172956 A CN200910172956 A CN 200910172956A CN 102026396 B CN102026396 B CN 102026396B
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time slot
package
polling
response
poll
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CN102026396A (en
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陈圣中
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Pixart Imaging Inc
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Pixart Imaging Inc
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Abstract

The invention provides a polling method compatible with the Bluetooth protocol to promote the transmission efficiency. In a Bluetooth micronetwork, a main apparatus inquires whether every accessory apparatus supports a default protocol, to determine the accessory apparatus supporting the predetermined protocol. The main apparatus configures a predetermined address as an instruction of the default protocol. The accessory apparatuses supporting the default protocol respond sequentially when the main apparatus sends a polling package with the predetermined address. Thus, even if the number of the accessory apparatus requiring the polling of main apparatus increases, the main apparatus only need to send the single polling package with the predetermined address, can lead all the accessory apparatuses supporting the default protocol to send response package, so as to promote the transmission efficiency of the main apparatus polling the accessory apparatuses.

Description

Be compatible with Bluetooth protocol and have polling method and the system that promotes efficiency of transmission
Technical field
The present invention more particularly, relates to a kind of polling method that is compatible with bluetooth (Bluetooth) agreement and has the lifting efficiency of transmission relevant for a kind of poll (polling) method.
Background technology
In Bluetooth protocol, when main device (Master) need to require from device (Slave) the transmission of data constantly, but main device poll is from device.For example, main device can be a game host, and can be the control handgrip of corresponding game host from device.When carrying out multiplayer, each control handgrip all needs to continue and transmit in large quantities the control signal that the user is transmitted by the control handgrip, so that game host can be controlled user's institute's role in game according to this.At this moment, game host (main device) but each control handgrip (from device) of poll, the control signal of being exported to obtain the control handgrip.
Please refer to Fig. 1.Fig. 1 is the schematic diagram of the polling method of explanation prior art.In Fig. 1, time slot (time slot) TS 0~ TS 11Time span all equal cycle T (such as 625 microseconds).In Fig. 1 first half, main device MA poll is from device SL 1With SL 2Wherein main device MA with from the device SL 1And SL 2Belong to same bluetooth piconet network (piconet), and main device MA distributes respectively address ADDR 1With ADDR 2Give from device SL 1With SL 2Main device is prior to polling time slot (time slot) TS 0In, send poll package PP 1Poll package PP wherein 1In have address AD DR 1Therefore, when from the device SL 1Receive poll package PP 1The time, from device SL 1Can be according to poll package PP 1In have address AD DR 1, require from device SL to learn main device MA 1Response.At this moment, from device SL 1In adjacent to polling time slot TS 0Response time slot TS 1Send response packet RP 1, give main device MA with the transmission of data.Follow main device MA in polling time slot (time slot) TS 2In, send and have address AD DR 2Poll package PP 2In like manner, from device SL 2Can be according to poll package PP 2In have address AD DR 2, require from device SL to learn main device MA 2Response.Therefore, from device SL 2In adjacent to polling time slot TS 2Response time slot TS 3Send response packet RP 2, give main device MA with the transmission of data.Hence one can see that, every through four time slots, but main device MA just poll from device SL 1With SL 2Once.In Fig. 1 Lower Half, main device MA poll is from device SL 2, SL 2With SL 3Wherein main device MA with from the device SL 1, SL 2And SL 3Belong to same bluetooth piconet network (piconet), and main device MA distributes respectively address ADDR 1, ADDR 2With ADDR 3Give from device SL 1, SL 2With SL 3Main device MA poll is from device SL 1, SL 2With SL 3Method and Fig. 1 first half in main device MA poll from the device SL 1, SL 2Method similar, therefore repeat no more.Shown in Fig. 1 Lower Half, every through six time slots, but main device MA poll is from device SL 1, SL 2, SL 3Once.
Analogized as can be known by the explanation of Fig. 1, when main device is wanted poll M from device, main device need to send M poll package respectively at M polling time slot, and M of main device poll is that (2 * M) individual time slots, wherein M represents positive integer from installing the required time.Therefore, when increasing (M increase) from device, the poll package that main device sends just increases, and so that efficiency of transmission descends, causes user's inconvenience.
Summary of the invention
The invention provides a kind of polling method that is compatible with bluetooth (Bluetooth) agreement and has the lifting efficiency of transmission.The method comprises that a main device (master) is set instruction that a presumptive address is a default protocol, main device inquiry is a plurality of whether supports this default protocol from device for these, with judge this a plurality of from device, support this predetermined protocol from device, this main device transmit a poll (polling) package with this first default address to should a plurality ofly from device, support this predetermined protocol from device, and should be a plurality of from device this predetermined protocol of support sequentially respond this poll package to this main device from installing.This default protocol is can make sequentially responding from device of this default protocol of support for this main device can be sent once single poll package.This main device a plurality ofly belongs to a bluetooth piconet network (Bluetooth piconet) from device with this.
The present invention provides in addition a kind of and is compatible with Bluetooth protocol and has the polling system that promotes efficiency of transmission.This polling system comprises a main device, and M is individual from device.This main device is used for sending one first poll package.This master is installed in one first poll (polling) time slot (time slot) and sends this first poll package.This M is individual from device, is used for sending M the first response packet according to this first poll package and this M M response order from device in the time slot to respond respectively at M individual first.It is adjacent one another are that this M first responds time slot, and this M first respond order in the time slot the most front first to respond time slot adjacent with this first polling time slot.This M the K from device is individual from installing according to this a M response K response order sequentially, in individual the first response time slot of a K in this M the first response time slot, sends a K the first response packet of this M the first response packet.This main device and this M belongs to a bluetooth piconet network from device.The time span of this first response time slot and the time span of this first polling time slot all equal a cycle.K, M represent positive integer, and 2≤K≤M.
Description of drawings
Fig. 1 is the schematic diagram of the polling method of explanation prior art.
Fig. 2 is illustrated in whether main device inquiry in the inquiry of the present invention support stage supports preset protocol of the present invention from device schematic diagram.
Fig. 3 is the schematic diagram of explanation according to the form of the poll package of preset protocol of the present invention.
Fig. 4 utilizes the poll package of default protocol of the present invention with two schematic diagrames from device of poll for the main device of explanation.
Fig. 5 utilizes the poll package of default protocol of the present invention with three schematic diagrames from device of poll for the main device of explanation.
Fig. 6 utilizes the poll package of default protocol of the present invention with a plurality of schematic diagrames from device of poll for the main device of explanation.
Fig. 7 explanation when comprise simultaneously in the bluetooth piconet network support default protocol of the present invention from the schematic diagram of device with the polling method of the main device when installing of not supporting default protocol of the present invention.
Fig. 8 is the explanation schematic diagram that is compatible with Bluetooth protocol and has the polling set-up system that promotes efficiency of transmission of the present invention.
Drawing reference numeral:
800 polling systems
The AC fetcher code
The AD address information
The AK response message
ASP 1~ ASP 4Inquiry command
The BY busy information
The ER error detection information
HD shelves head
MA master's device
RP 1~ RP MResponse packet
RSP 1~ RSP 4Reply and support package
SL 1~ SL MFrom device
SPP, PP 1~ PP 4The poll package
TS 0~ TS (2M+2)Time slot
Embodiment
In view of this, the invention provides a kind of polling method, make main device set the instruction that a presumptive address is a default protocol.And this default protocol is can make sequentially responding from device of this default protocol of support for this main device can be sent once the poll package with this presumptive address.
Because when main device utilizes the poll package of default protocol of the present invention to come poll from device, only have and support just can responding from device of predetermined protocol, therefore main device needs first inquiry respectively whether to support this default protocol from device, with judge support this predetermined protocol from device.To illustrate first below whether main device inquiry supports the method for default protocol from device.
Please refer to Fig. 2.Fig. 2 is illustrated in whether main device MA inquiry in the inquiry of the present invention support stage supports preset protocol of the present invention from device schematic diagram.If among the bluetooth piconet network NET under the main device MA, exist from device SL 1, SL 2, SL 3With SL 4, and from device SL 1, SL 2, SL 3With SL 4Has respectively address AD DR 1, ADDR 2, ADDR 3, ADDR 4Time slot TS 0~ TS 7Time span all equal a bluetooth time slot (such as 625 microseconds).Main device MA is in time slot TS 0Send and have address AD DR 1Inquiry command ASP 1, to inquire corresponding to address AD DR 1From the device SL 1Whether support default protocol.From device SL 1Can be in adjacent time-slots TS 0Time slot TS 1, send to reply and support package RSP 1, to respond the inquiry command ASP of main device 1Wherein work as from device SL 1When supporting default protocol, from device SL 1Package RSP is supported in the answer that responds 1Can equal tentation data DA PREOtherwise, when from the device SL 1When not supporting default protocol, from device SL 1Package RSP is supported in the answer that responds 1Can be not equal to tentation data DA PRETherefore, main device MA can according to from the device SL 1Package RSP is supported in the answer that responds 1Whether equal tentation data DA PRE, to judge from device SL 1Whether support default protocol.In like manner, main device MA is in time slot TS 2Send and have address AD DR 2Inquiry command ASP 2, to inquire corresponding to address AD DR 2From the device SL 2Whether support default protocol.From device SL 2Can be in adjacent time-slots TS 2Time slot TS 3, send to reply and support package RSP 2, to respond the inquiry command ASP of main device 2Main device MA can according to from the device SL 2Package RSP is supported in the answer that responds 2Whether equal tentation data DA PRE, to judge from device SL 2Whether support default protocol.Main device MA inquiry is from device SL 3With SL 4Whether support method and the main device MA of preset protocol to inquire from device SL 1With SL 2Whether support that preset protocol is similar, therefore repeat no more.Hence one can see that, main device MA can be respectively to respectively sending inquiry command ASP from device, and support according to the answer that respectively responds from device whether package RSP equals tentation data DA PRE, with judge support default protocol from device.For example, from device SL 1~ SL 3Package RSP is supported in the answer that responds 1~ RSP 3Equal tentation data DA PRE, and from device SL 4Package RSP is supported in the answer that responds 4Be not equal to tentation data DA PRETherefore, main device MA can judge from device SL 1~ SL 3For support default protocol of the present invention from the device, and from the device SL 4For do not support default protocol of the present invention from the device.
In addition, when main device MA judge support default protocol behind device, main device MA can distribute to from the response order of device corresponding to default protocol, so that main device when sending the poll package of preset protocol of the present invention, support default protocol can sequentially come according to the response that main device MA distributes sequentially to respond from device.Below will illustrate poll package that main device utilizes default protocol of the present invention with poll respectively from the operation principle of device.
Please refer to Fig. 3.Fig. 3 is the schematic diagram of explanation according to the form of the poll package SPP of preset protocol of the present invention.Poll package SPP comprises a fetcher code (access code) AC and one grade of head (header) HD.Fetcher code AC is used to refer to the bluetooth piconet network NET under the poll package SPP so that belong to bluetooth piconet network NET can receive poll package SPP from device.File header HD comprises an address information AD, a busy information BY, replys (ACK, Acknowledge) information A K, and an error detection information ER.If main device MA sets address AD DR PREBe presumptive address.That is to say, main device MA can reserved address ADDR PREGive default protocol, and can be with address AD DR PREDistribute to any one from device.So, in the address information AD of poll package SPP, can store presumptive address ADDR PRE, so that support this default protocol can judge that from device poll package SPP is the package of default agreement of the present invention, and respond according to this.Busy information BY is used to refer to from device whether can transmit data.Whether response message AK is used to refer to the response packet that transmits from device and transmits successfully.Whether error detection information ER is used to provide to detect poll package SPP from device wrong.
Please refer to Fig. 4.The poll package SPP that Fig. 4 utilizes preset protocol of the present invention for the main device MA of explanation with poll from device SL 1With SL 2Schematic diagram.In Fig. 4, time slot TS 0~ TS 7Time span all equal cycle T (such as 625 microseconds).Main device MA with from the device SL 1And SL 2Belong to same bluetooth piconet network NET.If main device MA distributes respectively address ADDR 1With ADDR 2Give from device SL 1With SL 2Address AD DR wherein 1With ADDR 2Be different from presumptive address ADDR PREMain device MA judges from device SL by the illustrated method of Fig. 2 1With from the device SL 2Support default protocol of the present invention, and main device MA difference assignment response order ORD 1With ORD 2Give from device SL 1With SL 2Main device is prior to polling time slot (time slot) TS 0In, send poll package SPP as shown in Figure 3.Because from device SL 1With SL 2Support default protocol of the present invention, therefore from device SL 1With SL 2When receiving poll package SPP, from device SL 1With SL 2Can be according to having presumptive address ADDR in the poll package SPP PRE, to learn that poll package SPP is as the poll package of default agreement of the present invention.From device SL 1With SL 2The response order ORD that meeting distributes according to main device 1With ORD 2Sequentially respond.For example, response order ORD 1Equal 1, response order ORD 2Equal 2, then from device SL 1In adjacent to polling time slot TS 0Response time slot TS 1Send response packet RP 1, and from device SL 2In with polling time slot TS 0The be separated by response time slot TS of one-period T (or a time slot) 2Send response packet RP 2So, as long as main device MA sends single poll package SPP, can make from device SL 1With SL 2Sequentially respond.It should be noted that and work as from device SL 2In responding time slot TS 2Send response packet RP 2After, the method according to this invention, main device MA can be in adjacent to responding time slot TS 2Time slot TS 3Send poll package SPP.This is because in Bluetooth protocol, but stipulates that main device needs in even number time slot ability the transmission of data (sending package).As shown in Figure 4, time slot TS 0, TS 2, TS 4Be the even number time slot Deng time slot, and time slot TS 1, TS 3, TS 5Be the odd number time slot Deng time slot.Therefore, the method according to this invention, main device MA can be in odd number time slot TS 3Send poll package SPP, and only can with respond time slot TS 2The be separated by polling time slot TS of a cycle T (time slot) 4Send poll package SPP, to be compatible with Bluetooth protocol.In addition, at main device MA in polling time slot TS 4Among the response message AK of the poll package SPP that sends, can indicate from device SL 1In responding time slot TS 1The response packet RP that transmits 1With from the device SL 2In responding time slot TS 3The response packet RP that transmits 2Transmission success whether.
Please refer to Fig. 5.The poll package SPP that Fig. 5 utilizes preset protocol of the present invention for the main device MA of explanation with poll from device SL 1, SL 2With SL 3Schematic diagram.Main device MA with from the device SL 1, SL 2With SL 3Belong to same bluetooth piconet network NET.If main device MA distributes respectively address ADDR 1, ADDR 2With ADDR 3Give from device SL 1, SL 2With SL 3Address AD DR wherein 1, ADDR 2With ADDR 3Be different from presumptive address ADDR PREMain device MA judges from device SL by the illustrated method of Fig. 2 1, SL 2With SL 3Support default protocol of the present invention, and main device MA difference assignment response order ORD 1, ORD 2With ORD 3Give from device SL 1, SL 2With SL 3Main device is prior to polling time slot (time slot) TS 0In, send poll package SPP as shown in Figure 3.From device SL 1, SL 2With SL 3The response order ORD that meeting distributes according to main device MA 1, ORD 2With ORD 3Sequentially respond.For example, response order ORD 1Equal 1, response order ORD 2Equal 2, response order ORD 2Equal 3, then from device SL 1In adjacent to polling time slot TS 0Response time slot TS 1Send response packet RP 1From device SL 2In with polling time slot TS 0The be separated by response time slot TS of one-period T (or a time slot) 2Send response packet RP 2From device SL 3In with polling time slot TS 0The be separated by response time slot TS of two cycle T (or two time slots) 3Send response packet RP 3So, as long as main device MA sends single poll package SPP, can make from device SL 1, SL 2With SL 3Sequentially respond.It should be noted that compared to Fig. 4, because time slot TS 4Therefore be the even number time slot, main device MA can be in adjacent to responding time slot TS 3Time slot TS 4Send poll package SPP.In addition, compared to prior art, by method of the present invention, main device MA poll is once from device SL 1, SL 2, SL 3The required time can be reduced to four time slots, to promote efficiency of transmission.
Please refer to Fig. 6.The poll package SPP that Fig. 6 utilizes preset protocol of the present invention for the main device MA of explanation with poll from device SL 1~ SL MSchematic diagram.Wherein main device MA with from the device SL 1~ SL MBelong to same bluetooth piconet network NET.If main device MA distributes respectively address ADDR 1~ ADDR MGive from device SL 1~ SL MAddress AD DR wherein 1~ ADDR MBe different from presumptive address ADDR PREMain device MA judges from device SL by the illustrated method of Fig. 2 1~ SL MTo support default protocol of the present invention, and main device MA difference assignment response order ORD 1~ ORD MGive from device SL 1~ SL MMain device MA utilize poll package SPP with poll from the device SL 1~ SL MMethod and the illustrated method of Fig. 4 and Fig. 5 similar, therefore repeat no more.In Fig. 6 first half, setting M is even number.Main device MA is in polling time slot TS 0After sending poll package SPP, from device SL 1~ SL MAccording to response order ORD 1~ ORD MRespectively at responding time slot TS 1~ TS MSend response packet RP 1~ RP MBecause time slot TS (M+1)Be the odd number time slot, so the method according to this invention, main device MA can be at time slot TS (M+1)Send poll package SPP, to be compatible with Bluetooth protocol.Therefore, main device MA poll is once from device SL 1～SL MThe required time is (M+2) individual time slot.In Fig. 6 Lower Half, setting M is odd number.Main device MA is in polling time slot TS 0After sending poll package SPP, from device SL 1~ SL MAccording to response order ORD 1~ ORD MRespectively at responding time slot TS 1~ TS MSend response packet RP 1~ RP MBecause time slot TS (M+1)Be the even number time slot, so the method according to this invention, main device MA can be at time slot TS (M+1)Send poll package SPP.So, main device MA poll is once from device SL 1~ SL MThe required time is (M+1) individual time slot.
In the prior art, M of main device poll is (2 * M) individual time slots from installing the required time.And by method of the present invention, when M was odd number, main device MA poll was once from device SL 1~ SL MThe required time is (M+1) individual time slot; When M was even number, main device MA poll was once from device SL 1~ SL MThe required time is (M+2) individual time slot.Hence one can see that, when M more than or equal to 3 the time, by method of the present invention, can reduce main device MA poll once from device SL 1~ SL MThe required time.
Please refer to Fig. 7.Fig. 7 explanation when comprise simultaneously among the bluetooth piconet network NET support default protocol of the present invention from the schematic diagram of device with the polling method of the main device MA when installing that does not support default protocol of the present invention.In Fig. 7, establish main device MA and distribute respectively address ADDR 1~ ADDR 4Give from device SL 1~ SL 4Address AD DR wherein 1~ ADDR 4Be different from presumptive address ADDR PREMain device MA judges from device SL by the illustrated method of Fig. 2 1~ SL 3To support default protocol of the present invention, and from device SL 4Do not support preset protocol of the present invention.Therefore, main device MA difference assignment response order ORD 1~ ORD 3Give from device SL 1~ SL 3Similar with the described method of Fig. 5, main device MA can be in polling time slot TS 0Send poll package SPP, with poll once support default protocol of the present invention from the device SL 1~ SL 3So, from device SL 1~ SL 3The response order ORD that distributes according to main device MA 1, ORD 2With ORD 3Sequentially in responding time slot TS 1~ TS 3Send response packet RP 1~ RP 3Because time slot TS 4Be the even number time slot, therefore main device MA can be in polling time slot TS 4Send the poll package PP of prior art 4Poll package PP wherein 4Has address AD DR 4From device SL 4Can be according to poll package PP 4Has address AD DR 4, require from device SL to judge main device MA 4Response.So, from device SL 4In adjacent to polling time slot TS 4Response time slot TS 5Send corresponding to poll package PP 4Response packet RP 4Therefore, the poll package SPP that main device MA can be by sending preset protocol of the present invention and the poll package PP of prior art 4, with poll respectively support default protocol of the present invention from device SL 1~ SL 4With do not support default protocol of the present invention from the device SL 4That is to say, when comprise simultaneously among the bluetooth piconet network NET support default protocol of the present invention from device with do not support default protocol of the present invention from device the time, but main device MA still among the bluetooth piconet network NET poll all from device.
Please refer to Fig. 8.Fig. 8 is the explanation schematic diagram that is compatible with bluetooth (Bluetooth) agreement and has the polling system 800 that promotes efficiency of transmission of the present invention.Polling system 800 comprise a main device MA with from the device SL 1~ SL M, wherein from device SL 1~ SL MFor support default protocol of the present invention from the device.When passing through the described method of Fig. 2, main device MA judges from device SL in polling system Yu 800 1~ SL MFor support default protocol of the present invention behind device, main device MA can assignment response order ORD 1~ ORD MGive from device SL 1~ SL M, then main device MA can pass through the described method of Fig. 6, in polling time slot TS 0Send the poll package SPP of default agreement of the present invention, so that from device SL 1~ SL MRespectively at responding time slot TS 1~ TS MSend response packet RP 1~ RP MThus, in polling system 800 of the present invention, when M was odd number, main device MA poll was once from device SL 1~ SL MThe required time is (M+1) individual time slot; When M was even number, main device MA poll was once from device SL 1~ SL MThe required time is (M+2) individual time slot.
In sum, according to polling method provided by the present invention, whether the inquiry of main device respectively supports a default protocol from device, with judge support this predetermined protocol from device.And main device is set a presumptive address and is the instruction of this default protocol.When sending once the poll package with this presumptive address, main device can make sequentially responding from device of this default protocol of support.Therefore, even the increasing from device of the required poll of main device, main device only need send the single poll package of tool presumptive address, can make support default protocol all send response packet from device.So, can promote main device poll from the efficiency of transmission of device, offer the larger convenience of user.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.

Claims (12)

1. one kind is compatible with Bluetooth protocol and has the polling method that promotes efficiency of transmission, it is characterized in that, the method comprises:
One main device is set the instruction that a presumptive address is a default protocol;
Wherein this default protocol is can make sequentially responding from device of this default protocol of support for this main device can be sent once single poll package;
Wherein this main device and a plurality of be to belong to a bluetooth piconet network from device;
It is a plurality of from device to this that this main device transmits the poll package with first default address; And
These are a plurality of from device, support this default protocol sequentially respond this poll package to this main device from device according to the response order that this main device distributes.
2. polling method as claimed in claim 1, wherein this polling method comprises in addition:
Whether this main device inquiry should a plurality ofly support this default protocol from device, with judge this a plurality of from device, support this predetermined protocol from installing.
3. polling method as claimed in claim 2, wherein whether this main device inquiry should a plurality ofly support this default protocol from device, with judge this a plurality of from device the comprising from device of this predetermined protocol of support:
This main device sends corresponding to these a plurality of a plurality of inquiry commands from device;
This a plurality of sending respectively corresponding to a plurality of answers of these a plurality of inquiry commands from device is supported package; And
This main device be according to should a plurality of answers supporting whether packages equal a tentation data, a plurality ofly whether supported this default protocol from installing to judge this;
Wherein, when these a plurality of answers support that first answer of package supports that package and one second answer support that package all equals this tentation data, this main device judge corresponding to these a plurality of answers support packages this first reply support package one first from device, and support to reply for this second of packages corresponding to these a plurality of answers and support one second of package to support this default protocol from device;
Wherein, when this main device transmits when having this poll package of this first default address, this first responds from being installed on one first that time slot is responded one first response packet, this second is responded time slot and respond one second response packet from being installed on one second; Time span of this first response time slot and this second response time slot is equal, and adjacent one another are.
4. polling method as claimed in claim 3, wherein support one the 3rd of packages to reply when supporting that package is not equal to this tentation data when these a plurality of answers, this main device judge corresponding to these a plurality of answers support the 3rd of packages reply support package should be a plurality of do not support this default protocol from one the 3rd of device from installing;
Wherein, have the 3rd during from one second poll package of an address of device when this main device transmits, the 3rd responds time slot and responds one the 3rd response packet from being installed on one the 3rd.
5. one kind is compatible with Bluetooth protocol and has the polling method that promotes efficiency of transmission, it is characterized in that, the method comprises:
One main being installed on sent one first poll package in one first polling time slot;
M from this first poll package of device reception;
Wherein this main device and this M belongs to a bluetooth piconet network from device; And
This M according to this M M response order from device, time slot in sends M individual first response packet to respond respectively at M first from device;
Wherein to respond time slot adjacent one another are for this M first, and this M first respond order in the time slot the most front first to respond time slot adjacent with this first polling time slot;
Wherein this M the K from device is individual from installing according to this a M response K response order sequentially, in individual the first response time slot of a K in this M the first response time slot, sends a K the first response packet of this M the first response packet;
Wherein the time span of this first response time slot and the time span of this first polling time slot all equal a cycle;
Wherein K, M represent positive integer, and 2≤K≤M.
6. polling method as claimed in claim 5, wherein said the first poll package comprises:
One first fetcher code is used to refer to this first poll package and belongs to this bluetooth piconet network; And
One first grade of head comprises:
One first address information is used for storing one first presumptive address;
One first busy information is used to refer to this M from installing whether can transmit data;
One first response message is used to refer to whether this M is individual transmits successfully from being installed on M the second response packet that transmits before this first polling time slot; And
Whether one first error detection information is used to provide to this M from device, wrong to detect this first poll package;
Wherein, this M K address that has M address from a K device that installs;
Wherein, this K address of this M address is different from this first presumptive address.
7. polling method as claimed in claim 6, the method comprises in addition:
Described master is installed on and sends one second poll package in one second polling time slot;
Wherein this second poll package comprises:
One second fetcher code is used to refer to this second poll package and belongs to this bluetooth piconet network; And
One second gear head comprises:
One second address information is used for storing this first presumptive address;
One second busy information is used to refer to this M from installing whether can transmit data;
Whether one second response message is used to refer to this M this M the first response packet that passes from device and transmits successfully; And
Whether one second error detection information is used to provide to this M from device, wrong to detect this second poll package;
Wherein the time span of this second polling time slot equals this cycle;
Wherein, when M was odd number, this second polling time slot was adjacent to the first last response time slot of order in this M the first response time slot; When M is even number, this second polling time slot and this M first respond order in the time slot last first respond time slot between be separated by this cycle.
8. polling method as claimed in claim 5, other comprises:
This main device inquiry belong in this bluetooth piconet network all whether support to respond this first poll package from device, and according to all responses from device in this bluetooth piconet network, support this first poll package of response to judge this M from device.
9. one kind is compatible with Bluetooth protocol and has the polling system that promotes efficiency of transmission, it is characterized in that, this system comprises:
One main device is used for sending one first poll package;
Wherein this master is installed on and sends this first poll package in one first polling time slot; And
M is individual from device, is used for sending M the first response packet according to this first poll package and this M M response order from device in the time slot to respond respectively at M individual first;
Wherein to respond time slot adjacent one another are for this M first, and this M first respond order in the time slot the most front first to respond time slot adjacent with this first polling time slot;
Wherein this M the K from device is individual from installing according to this a M response K response order sequentially, in individual the first response time slot of a K in this M the first response time slot, sends a K the first response packet of this M the first response packet;
Wherein this main device and this M belongs to a bluetooth piconet network from device;
Wherein the time span of this first response time slot and the time span of this first polling time slot all equal a cycle;
Wherein K, M represent positive integer, and 2≤K≤M.
10. polling system as claimed in claim 9, wherein this first poll package comprises:
One first fetcher code is used to refer to this first poll package and belongs to this bluetooth piconet network; And
One first grade of head comprises:
One first address information is used for storing one first presumptive address;
One first busy information is used to refer to this M from installing whether can transmit data;
One first response message is used to refer to whether this M is individual transmits successfully from being installed on M the second response packet that transmits before this first polling time slot; And
Whether one first error detection information is used to provide to this M from device, wrong to detect this first poll package;
Wherein, this M K address that has M address from a K device that installs; This K address of this M address is different from this first presumptive address.
11. polling system as claimed in claim 10, wherein this master is installed on and sends one second poll package in one second polling time slot, and this second poll package comprises:
One second fetcher code is used to refer to this second poll package and belongs to this bluetooth piconet network; And
One second gear head comprises:
One second address information is used for storing this first presumptive address;
One second busy information is used to refer to this M from device from installing whether can transmit data;
Whether one second response message is used to refer to this M this M the first response packet that passes from device from device and transmits successfully; And
Whether one second error detection information is used to provide to this M from device, wrong to detect this second poll package;
Wherein the time span of this second polling time slot equals this cycle;
Wherein, when M was odd number, this second polling time slot was adjacent to the first last response time slot of order in this M the first response time slot; When M was even number, this second polling time slot and this M individual first responds between the first sequentially last in time slot response time slot was separated by this cycle.
12. polling system as claimed in claim 9, wherein this main device inquiry belong in this bluetooth piconet network all whether support to respond this first poll package from device, and according to all responses from device in this bluetooth piconet network, to judge this M from this first poll package of device support response.
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CN106302032B (en) * 2016-10-25 2019-09-17 成斌 A kind of point-to-multipoint poll means of communication
CN111385744B (en) * 2018-12-27 2022-01-11 青岛民航凯亚系统集成有限公司 Dynamic channel access method based on polling

Citations (2)

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CN1809983A (en) * 2001-04-25 2006-07-26 富莱克斯储尼克斯半导体公司 Masterless slave/master role switch in a bluetooth piconet
CN101461191A (en) * 2006-06-02 2009-06-17 高通股份有限公司 Efficient operation for co-located WLAN and Bluetooth

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KR100538922B1 (en) * 2003-04-01 2005-12-27 삼성전자주식회사 Method for performing Bluetooth high rate supervisor handover

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CN1809983A (en) * 2001-04-25 2006-07-26 富莱克斯储尼克斯半导体公司 Masterless slave/master role switch in a bluetooth piconet
CN101461191A (en) * 2006-06-02 2009-06-17 高通股份有限公司 Efficient operation for co-located WLAN and Bluetooth

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