CN101800575A - Method and device for reducing document transmission energy consumption of bluetooth equipment - Google Patents
Method and device for reducing document transmission energy consumption of bluetooth equipment Download PDFInfo
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- CN101800575A CN101800575A CN200910309983A CN200910309983A CN101800575A CN 101800575 A CN101800575 A CN 101800575A CN 200910309983 A CN200910309983 A CN 200910309983A CN 200910309983 A CN200910309983 A CN 200910309983A CN 101800575 A CN101800575 A CN 101800575A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a method and a device for reducing the document transmission energy consumption of bluetooth equipment. The method comprises the following steps of: inquiring the state and the transmitted information of the bluetooth equipment in the document transmission process by utilizing a functional inquiry unit; and enabling the bluetooth equipment to be in a low power consumption state according to the state and the energy level of the bluetooth equipment in the communication process. The invention can take measures for correspondingly reducing the energy consumption in time according to the different states and the current electrical energy level of the bluetooth equipment and can effectively save the battery energy consumption of the bluetooth equipment.
Description
Technical field
The present invention relates to a kind of method and device that reduces document transmission energy consumption of bluetooth equipment.
Background technology
Bluetooth is the open global communication standard of higher short-distance wireless voice of the present a kind of technology and the market maturity and data communication.Characteristics such as the device with Bluetooth function has communication convenient, and volume is little easy to carry, and application scenarios is extensive, present mobile device generally all disposes bluetooth as wireless standard.In 2007, Bluetooth SIG issued 2.1 editions safer Bluetooth protocol standards, can estimate that use in bluetooth equipment market will be more wide.
Important function of bluetooth is exactly to carry out the shared transmission of file.Yet portable terminal now all has energy content of battery features of limited, along with the abundant and variation of using, makes that the problem of device battery energy consumption is very outstanding in the bluetooth document transmission process.Bluetooth equipment is divided into bluetooth master and two roles of bluetooth slave unit in document transmission process, bluetooth master can be connected with 7 bluetooth slave units simultaneously and carries out file transfer.Bluetooth master will connect by the scan for inquiries to other bluetooth slave units in the communication context.Yet, in the mobile application scenarios of reality, the situation that bluetooth master is connected with seven bluetooth slave units simultaneously is extremely rare, is point-to-point transmission in most cases, thereby the number of times of too much unnecessary inquiry bluetooth slave unit has consumed more electric energy.On the other hand, after connecting foundation, but main bluetooth slave unit is transceive data all, in bluetooth new edition communication standard, strengthened function for the file security transmission, therefore the power consumption of bluetooth master role when transfer of data also increases to some extent, in actual applications, role's handoff procedure function that can adopt the Bluetooth protocol standard to provide after connecting switches to the bluetooth slave unit to cut down the consumption of energy with bluetooth master.At last, after end of file transfer, in same micro bluetooth network, equipment generally still can periodically send the data query bag to keep and channel synchronization to method, apparatus.Yet this is also also inessential under most of actual conditions, has especially increased unnecessary plant capacity consumption when the equipment electric weight is lower.
Summary of the invention
The too high above-mentioned technical problem of energy consumption the invention provides a kind of method and device that reduces document transmission energy consumption of bluetooth equipment when solving the bluetooth equipment file transfer.
Technical scheme of the present invention may further comprise the steps:
A) utilize functional inquiry unit inquiry bluetooth equipment residing state and transmission information in document transmission process;
B) make bluetooth equipment be in low power consumpting state according to bluetooth equipment residing state and energy level in communication process.
The method of energy consumption in the above-mentioned reduction bluetooth equipment file process of transmitting, described step b comprises following steps:
B1) in the bluetooth master inquiry bluetooth receiver equipment stage, when the bluetooth master battery electric quantity is in high level, but inquired the bluetooth slave unit, and the bluetooth slave unit number that inserts reaches to allow to insert and goes up in limited time, scanning window is set is of a size of zero, initiatively finish inquiry scan state;
B2) in the preliminary date transmit stage that connects, when bluetooth equipment was not in the concurrent transmission state of one-to-many, inquiry bluetooth master charge level was when the bluetooth master electric weight is in reduced levels, carry out the role and switch, bluetooth master is switched to the bluetooth slave unit;
B3) send ending phase at file,, then initiatively change bluetooth equipment over to the device sleeps holding state if the bluetooth equipment electric weight is in low-level state.
The method of above-mentioned reduction document transmission energy consumption of bluetooth equipment, described step b1 further comprises:
Before bluetooth master starts other bluetooth equipment of inquiry scan, determine whether bluetooth master has response bluetooth slave unit number maximum constraints, and obtain the inquiry scan window size parameter value size that sweep phase pre-sets.
In the method for above-mentioned reduction document transmission energy consumption of bluetooth equipment, described step b2 further comprises:
Before the preliminary act transmission of connecting, obtain the pointer value of pointing to this document, and obtain the destination address that this document sends by this pointer, and then definite this document to belong to that many people send still be the situation of point-to-point transmission.
A kind of device that reduces document transmission energy consumption of bluetooth equipment comprises:
One functional inquiry unit; Link to each other with information memory cell with equipment state, be used for inquiring about, obtain residing state of bluetooth equipment and equipment charge level to equipment state and information memory cell;
One equipment state and information memory cell are used to put down in writing bluetooth equipment present located state information, and bluetooth equipment allows the bluetooth slave unit number upper limit of access and the preset value of inquiry scan window size;
One pointer value memory cell is used to store the pointer value of pointing to file to be sent, and this pointer indicates will send the destination address value that comprises in the file;
Reduce the power consumption unit, be used for making bluetooth equipment be in low power consumpting state according to residing state of bluetooth equipment and equipment charge level.
In the device of above-mentioned reduction document transmission energy consumption of bluetooth equipment, described reduction power consumption unit further comprises:
One inquiry phase reduces the power consumption unit, utilize the information of obtaining in the functional inquiry unit to judge current bluetooth equipment state, if in the target device inquiry phase and inquired target device, the bluetooth slave unit number that the while bluetooth master allows to connect has simultaneously reached the permission upper limit, then reduces the inquiry scan window size;
One file transfer stage was reduced the power consumption unit, utilized the information of obtaining in the functional inquiry unit to judge current bluetooth equipment state, if in the file transfer stage and when not existing one-to-many to transmit situation simultaneously, then selecting the lower bluetooth equipment of electric weight is the bluetooth slave unit;
One end of transmission stage was reduced the power consumption unit, utilized the information of obtaining in the functional inquiry unit to judge current bluetooth equipment state, if transmission has finished and the bluetooth equipment electric weight is in reduced levels, then bluetooth equipment was changed over to the dormancy holding state.
Technique effect of the present invention is: 1) the present invention can initiatively be provided with the scanning window size and control in most cases unnecessary inquiry scan number of times when point-to-point transmission, reduces the energy consumption of inquiry scan phase equipment.2) among the present invention when bluetooth equipment is not in the concurrent transmission state of one-to-many, then the role who just calls bluetooth by the bluetooth equipment battery electric quantity is switched, the energy consumption when reducing low electric weight bluetooth equipment transfer files.3) among the present invention after the end of transmission, if the equipment electric weight is lower, then stops to send out inquiry packet and keep synchronously with other equipment periodic, in time equipment is changed over to the dormancy holding state to reduce the energy consumption of equipment.
The present invention is further illustrated below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the state flow chart of the bluetooth module network configuration in the example of the present invention.
Fig. 2 is a flow chart of the present invention.
Fig. 3 is a structure drawing of device of realizing invention.
Embodiment
Specify bluetooth module network configuration part below in conjunction with Fig. 1.
Referring to Fig. 1, shown in Figure 1 is point-to-point bluetooth module network configuration flow chart, and whole layoutprocedure can be divided into three phases substantially: 1) bluetooth master inquiry scan the other side receiving equipment stage; 2) both sides connect, and carry out the file transfer stage; 3) end of transmission stage.Bluetooth master and slave unit are all from holding state, and this flow process comprises the steps:
101 steps: when bluetooth master A prepared to bluetooth slave unit B transmission file, A can enter inquiry scan to the method, apparatus stage, also scanned at this stage A broadcast query packet in communication context whether method, apparatus is existed.
201 steps: after bluetooth slave unit B receives inquiry packet, enter the data query bag that A is replied in query page scanning mode and response, preparation connects.
102 steps: receive the reply data bag of bluetooth slave unit B as bluetooth master A after, set up the communication connection and enter movable bluetooth master state, be ready for sending file to bluetooth slave unit B request.
202 steps: when bluetooth slave unit B receive bluetooth master A be ready for sending request of data after, response file sends request and also enters activity bluetooth slave unit state, preparation receives file.
103 steps: after bluetooth master A received that bluetooth slave unit B replys, transfer files was in AM (Active Master) state until end of transmission at this stage bluetooth master A always.
203 steps: the bluetooth slave unit begins to receive file and receives until file, is in AS (Active Slave) state at this stage bluetooth slave unit B always.
104 steps: bluetooth master A if electric weight is in reduced levels, can changes the dormancy holding state over to, otherwise enter PM (Park Master) state after file transfer finishes.
204 steps: bluetooth slave unit B if electric weight is in reduced levels, can changes dormancy holding state (SB, Stand by) over to, otherwise enter PS state (Park slave) after file transfer finishes.
105 steps: bluetooth master A after entering the PM state, will periodically send out packet with keep with bluetooth slave unit B synchronously.
205 steps: bluetooth slave unit B after entering the PM state, will periodically send out packet with keep with bluetooth master A synchronously.
Referring to Fig. 2, Fig. 2 is a flow chart of the present invention.
10 steps: when equipment is in inquiry scan (IQ) state, allow the bluetooth slave unit number upper limit that inserts and the inquiry scan window size size that pre-sets by functional inquiry unit inquiry bluetooth master, reached when the bluetooth slave unit number that connects on the number that allows to insert in limited time, then the inquiry scan window size is set to zero, be that bluetooth equipment initiatively finishes inquiry scan state under zero the situation at this parameter value.
20 steps: when bluetooth equipment is in movable bluetooth master (AM) state, by the functional inquiry unit pointer value memory cell is inquired about, to obtain the destination address of file to be sent, judge by destination address whether this document exists the concurrent situation of transmission simultaneously of one-to-many, if there is not the concurrent transmission of one-to-many, then the calling function query unit is inquired about the bluetooth master electric weight, if the bluetooth master electric weight is lower, then in transmission course, call role's handoff procedure that bluetooth provides, bluetooth master is switched to the bluetooth slave unit to cut down the consumption of energy.
30 steps: after the end of file transfer, calling function query unit query facility electric weight, if be in higher level, then enter and monitor holding state (PM/PS), if electric weight is in reduced levels, then do not carry out the channel synchronization work with other bluetooth equipments, initiatively enter the dormancy holding state to reduce equipment energy consumption.
Referring to Fig. 3, shown in Figure 3 is the device schematic diagram that reduces document transmission energy consumption of bluetooth equipment, and this apparatus structure comprises: equipment state and information memory cell corresponding to the related plurality of units structure of the above-mentioned method that cuts down the consumption of energy; The functional inquiry unit; The pointer value memory cell, inquiry phase reduces the power consumption unit; The file transfer stage is reduced the power consumption unit; The end of transmission stage is reduced the power consumption unit; The operation basic procedure of this device comprises the steps:
The A01 step: the functional inquiry unit is inquired about to equipment state and information memory cell, obtains bluetooth slave unit maximum constraints information of number, the inquiry scan window size that pre-sets and equipment charge level that the bluetooth transmitting apparatus allows access; And inquiry bluetooth equipment present located state, change corresponding steps over to according to the residing state of bluetooth equipment and handle.
The B01 step: if be in inquiry scan phase, bluetooth slave unit maximum constraints information of number that the permission that then will inquire inserts and the inquiry scan window size information that pre-sets are passed to inquiry phase and are reduced the power consumption unit, and trigger this unit;
C01 step: if be in the file transfer stage, then inquire about the pointer value memory cell, obtain the pointer value of pointing to file to be sent, and obtain the destination address that this document sends by this pointer inquiry, judge whether to exist the concurrent transmit stage of one-to-many, and the information that inquires is passed to transmit stage reduce the power consumption unit, and trigger this unit;
D01 step:, then the equipment charge level information that inquires is passed to the end of transmission stage and reduced the power consumption unit, and trigger this unit if be in the end of transmission stage.
Above-mentioned inquiry phase reduces the power consumption unit, if in the target device inquiry phase and inquired target device, the bluetooth slave unit number that the while bluetooth master allows to connect has simultaneously reached the permission upper limit, and it is zero that the inquiry scan window size then is set, and finishes the equipment query sweep phase.
Above-mentioned file transfer stage is reduced the power consumption unit, if when there is not the situation that one-to-many transmits simultaneously in the file transfer stage, then calls the bluetooth role handoff procedure bluetooth master that electric weight is lower and switch to the bluetooth slave unit.
Above-mentioned end of transmission stage is reduced the power consumption unit, if transmission has finished and the equipment electric weight is in reduced levels, does not then carry out the channel synchronization with other equipment, initiatively equipment is changed over to the dormancy holding state.
The said equipment state and information memory cell are being stored equipment present located state information and equipment and are being allowed the bluetooth slave unit number upper limit of access and the preset value of inquiry scan window size.
The above-mentioned functions query unit comprises: by inquiring about to equipment state and information memory cell, obtain equipment present located state and charge level; Inquiry is obtained transmitting apparatus and is allowed bluetooth slave unit maximum constraints information of number that inserts and the inquiry scan window size size that pre-sets; Inquiry pointer value memory cell obtaining the pointer value of pointing to this document, and obtains the destination address that this document sends by this pointer inquiry.
The present invention sees the following form 1 with the concrete data contrast of the energy consumption that adopts the standard bluetooth sending method:
| Experiment number | Existing method institute consumed energy (mW) | Institute's consumed energy of the present invention (mW) |
| ??1 | ??1348.5 | ??1125.7 |
| ??2 | ??1432.6 | ??1203.5 |
| ??3 | ??1476.5 | ??1158.2 |
| ??4 | ??1396.4 | ??1184.2 |
| Experiment number | Existing method institute consumed energy (mW) | Institute's consumed energy of the present invention (mW) |
| ??5 | ??1325.8 | ??1232.1 |
Claims (6)
1. method that reduces document transmission energy consumption of bluetooth equipment may further comprise the steps:
A) utilize functional inquiry unit inquiry bluetooth equipment residing state and transmission information in document transmission process;
B) make bluetooth equipment be in low power consumpting state according to bluetooth equipment residing state and energy level in communication process.
2. the method for energy consumption in the reduction bluetooth equipment file process of transmitting according to claim 1, described step b comprises following steps:
B1) in the bluetooth master inquiry bluetooth receiver equipment stage, when the bluetooth master battery electric quantity is in high level, but inquired the bluetooth slave unit, and the bluetooth slave unit number that inserts reaches to allow to insert to be gone up in limited time, it is zero that the inquiry scan window size is set, and initiatively finishes inquiry scan state;
B2) in the preliminary date transmit stage that connects, when bluetooth equipment was not in the concurrent transmission state of one-to-many, inquiry bluetooth master charge level was when the bluetooth master electric weight is in reduced levels, carry out the role and switch, bluetooth master is switched to the bluetooth slave unit;
B3) send ending phase at file,, then initiatively change bluetooth equipment over to the device sleeps holding state if the bluetooth equipment electric weight is in low-level state.
3. the method for reduction document transmission energy consumption of bluetooth equipment according to claim 2, described step b1 further comprises:
Before bluetooth master starts other bluetooth equipment of inquiry scan, determine whether bluetooth master has the restriction of response bluetooth slave unit maximum number, and obtain the inquiry scan window size parameter value that sweep phase pre-sets.
4. the method for reduction document transmission energy consumption of bluetooth equipment according to claim 2, described step b2 further comprises:
Before the preliminary act transmission of connecting, obtain the pointer value of pointing to this document, and obtain the destination address that this document sends by this pointer, and then definite this document to belong to that many people send still be the situation of point-to-point transmission.
5.
A kind of device that reduces document transmission energy consumption of bluetooth equipment is characterized in that, comprising:
One functional inquiry unit; Link to each other with information memory cell with equipment state, be used for inquiring about, obtain residing state of bluetooth equipment and equipment charge level to equipment state and information memory cell;
One equipment state and information memory cell are used to put down in writing bluetooth equipment present located state information, and bluetooth equipment allows the bluetooth slave unit number upper limit of access and the preset parameter value of inquiry scan window size;
One pointer value memory cell is used to store the pointer value of pointing to file to be sent, and this pointer indicates will send the destination address value that comprises in the file;
Reduce the power consumption unit, be used for making bluetooth equipment be in low power consumpting state according to residing state of bluetooth equipment and equipment charge level.
6. according to the device of right 5 described reduction document transmission energy consumption of bluetooth equipment, it is characterized in that described reduction power consumption unit further comprises:
One inquiry phase reduces the power consumption unit, utilize the information of obtaining in the functional inquiry unit to judge current bluetooth equipment state, if in the target device inquiry phase and inquired target device, the bluetooth slave unit number that the while bluetooth master allows to connect has simultaneously reached the permission upper limit, then reduces the inquiry scan window size;
One file transfer stage was reduced the power consumption unit, utilized the information of obtaining in the functional inquiry unit to judge current bluetooth equipment state, if in the file transfer stage and when not existing one-to-many to transmit situation simultaneously, then selecting the lower bluetooth equipment of electric weight is the bluetooth slave unit;
One end of transmission stage was reduced the power consumption unit, utilized the information of obtaining in the functional inquiry unit to judge current bluetooth equipment state, if transmission has finished and the bluetooth equipment electric weight is in reduced levels, then bluetooth equipment was changed over to the dormancy holding state.
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| CN2009103099836A CN101800575B (en) | 2009-11-19 | 2009-11-19 | Method and device for reducing document transmission energy consumption of bluetooth equipment |
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| CN2009103099836A CN101800575B (en) | 2009-11-19 | 2009-11-19 | Method and device for reducing document transmission energy consumption of bluetooth equipment |
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| CN101800575A true CN101800575A (en) | 2010-08-11 |
| CN101800575B CN101800575B (en) | 2013-10-23 |
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| CN102111696A (en) * | 2010-12-24 | 2011-06-29 | 陕西科技大学 | Method for reducing power consumption of bluetooth headset |
| CN103533588A (en) * | 2013-09-27 | 2014-01-22 | 宇龙计算机通信科技(深圳)有限公司 | Method for switching current operation application in sub machine to host machine for operation, and mobile terminal for method |
| CN104412629A (en) * | 2012-06-08 | 2015-03-11 | 苹果公司 | Immediate connection following device discovery |
| CN104581617A (en) * | 2015-01-22 | 2015-04-29 | 小米科技有限责任公司 | Wireless communication method and intelligent equipment |
| CN104780580A (en) * | 2015-03-19 | 2015-07-15 | 江苏晓山信息产业股份有限公司 | Wi-Fi mobile networking method with balanced energy consumption |
| CN104811895A (en) * | 2015-04-01 | 2015-07-29 | 广东小天才科技有限公司 | Low-power Bluetooth connecting method and device |
| CN104837208A (en) * | 2015-04-27 | 2015-08-12 | 深圳市金立通信设备有限公司 | Terminal |
| CN105101362A (en) * | 2014-05-05 | 2015-11-25 | 刘洪明 | Method of reducing signal transmitting radiation of Bluetooth low-power consumption equipment and system |
| CN105581774A (en) * | 2014-10-22 | 2016-05-18 | 长天科技股份有限公司 | Physiological information monitoring system following Bluetooth low-power-consumption communication protocol |
| CN107926073A (en) * | 2015-09-21 | 2018-04-17 | 尼科创业控股有限公司 | The transmission that data pass through mesh network topology structure |
| CN105101463B (en) * | 2015-06-09 | 2018-08-03 | 深圳市嘀嗒互动科技有限公司 | A kind of data sharing method based on BLE |
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| CN104412629B (en) * | 2012-06-08 | 2018-03-30 | 苹果公司 | The method and electronic equipment connected at once after discovering device |
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| CN105101362A (en) * | 2014-05-05 | 2015-11-25 | 刘洪明 | Method of reducing signal transmitting radiation of Bluetooth low-power consumption equipment and system |
| CN105581774A (en) * | 2014-10-22 | 2016-05-18 | 长天科技股份有限公司 | Physiological information monitoring system following Bluetooth low-power-consumption communication protocol |
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| CN113206689A (en) * | 2020-12-31 | 2021-08-03 | 珠海市杰理科技股份有限公司 | Communication method and device, Bluetooth slave device and Bluetooth communication system |
| CN113206689B (en) * | 2020-12-31 | 2022-05-17 | 珠海市杰理科技股份有限公司 | Communication method and device, Bluetooth slave device and Bluetooth communication system |
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| CN101800575B (en) | 2013-10-23 |
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