CN101119133A - 2.4GHz frequency hopping technique based one-to-many fast synchronization method - Google Patents
2.4GHz frequency hopping technique based one-to-many fast synchronization method Download PDFInfo
- Publication number
- CN101119133A CN101119133A CNA2007100769377A CN200710076937A CN101119133A CN 101119133 A CN101119133 A CN 101119133A CN A2007100769377 A CNA2007100769377 A CN A2007100769377A CN 200710076937 A CN200710076937 A CN 200710076937A CN 101119133 A CN101119133 A CN 101119133A
- Authority
- CN
- China
- Prior art keywords
- frequency
- frequency hopping
- slave
- main control
- control device
- 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.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a pair of multi rapid synchronization method based on a 2.4GHz frequency range frequency hopping technology., A plurality of frequency hopping points are adopted between a main controlling device and a subordinated device to receive dat, and a rapid synchronization frequency point is arranged. The main controlling device timely transmits synchronization information at both the rapid synchronization frequency point and the frequency hopping point. The subordinated device conducts clock calibration after receiving the synchronization information and rapidly computes out the next frequency hopping point and a plurality of frequency hopping points of one sequence by looking up the prefixed frequency hopping point watch or by the same pseudo-random number computing. A transmitting frame is divided into a plurality of receiving and dispatching time slots. The main controlling device is connected with different subordinated devices at different time slots. The different subordinated devices conducts radio frequency data transmission only at corresponding time slots in a frame. The present invention can realize good synchronization response on the condition of one main machine to a plurality of service terminals based on the frequency hopping technology of data radio frequency.
Description
Technical field
The present invention relates to a kind of frequency-hopping method of radio-frequency technique, especially relate to when a main control device is controlled a plurality of equipment, all controlled slaves be owing to the power consumption reason need enter resting state fast after finishing transformation task, can wake up fast again when needs transmission data and synchronously and transmit a kind of frequency-hopping method of data.
Background technology
Development along with radio-frequency technique, increasing radio-frequency apparatus has entered into ordinary people's life, and the mobile phone that people use always, digital cordless phone, wireless network card, bluetooth earphone, wireless mouse, keyboard, game paddle etc. all are that the typical case of radio-frequency technique uses product.
Because the radio frequency band resource is limited, in practice, often exist number of different types or many complete equipments of the same type in same frequency range, same environment for use, simultaneously, the situation of using, for example exist simultaneously: microwave oven in certain office occasion, wireless route AP, wireless network card, bluetooth earphone, digital cordless phone, wireless game pads, wireless mouse keyboard etc., and these equipment in use simultaneously, these equipment use the radio frequency band of 2.4GHz jointly, so just cause the phase mutual interference between the radio-frequency apparatus easily, so need to use frequency hopping to improve the antijamming capability of equipment, each equipment is sought in this frequency range when transfer of data and is disturbed little frequency to carry out transfer of data relatively, avoid the phase mutual interference of equipment room, to reach the purpose of reliable data transmission as far as possible.
The radio-frequency apparatus of this class can be divided into 2 classes again from the mode of power supply, and 1, adopt reliably and with long-term the power supply power supply, 2, adopt powered battery.The equipment that adopts the power supply power supply owing to have stable power and supply with, so often do not need to consider too much the problem of power consumption, is in connection status as: equipment such as wireless aps, wireless network card for a long time between wireless device, can carry out frequency hopping and transfer of data at any time.
But the equipment that is to use battery is considered the problem of power consumption with regard to needs, as bluetooth earphone, digital cordless phone, wireless mouse keyboard etc., when not needing transfer of data, use the equipment of battery to tend to close some functional modules to reduce oneself power consumption, this is comprising radio-frequency module, when needing transfer of data, wake all functional modules again up, carry out the synchronous and transfer of data of equipment room, equipment needs the regular hour from dormancy to the synchronous and transfer of data that wakes up to equipment room, such as bluetooth earphone from dormancy to wake up to main frame synchronously and transfer of data, Bluetooth protocol allows the time of several seconds and finishes above work, dissimilar equipment allows different in size according to this time of use occasion, be advisable with the normal use that does not hinder the user, but from this time of technical standpoint is short more good more, such as mouse-keyboard, game paddle, use batteries such as remote controller need frequently enter resting state to reduce the equipment self power consumption, need to connect fast machine in use again, there is not the sense of delay when allowing the user use, just allow oversize company's machine time anything but, time with the ms level is advisable, and makes the normal use feeling of user less than tangible hysteresis.
In practice, after radio-frequency apparatus has been freed the constraint of line, often need a master control Host to control a plurality of controlled terminal Device simultaneously, typical utilization as: a plurality of input equipments such as the mouse of PC, keyboard, game paddle, multimedia remote controller are simultaneously to a receiving terminal.At present, the input equipment of this a plurality of dependence batteries to the present situation of a receiving terminal is simultaneously, and master control Host reaction is especially blunt, and result of use is very bad synchronously, has restricted the use of this series products.
Summary of the invention
Technical problem to be solved by this invention is: a kind of one-to-many fast synchronization method based on the 2.4GHz frequency hopping is provided, with solving prior art under the situation of a main frame to a plurality of service terminals, can't realizes the problem of good synchronization response.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of one-to-many fast synchronization method based on 2.4GHz frequency range frequency hopping, and it adopts a plurality of frequency hopping frequency transceive data between main control device and slave, and this method also comprises:
Set a fast synchronous frequency; Main control device regularly all sends synchronizing information at fast synchronous frequency and frequency hopping frequency, after slave is received synchronizing information, carry out clock alignment, and the frequency hopping frequency table by searching predetermined fixed or with a plurality of frequency hopping frequencies of a next frequency hopping frequency of calculating rapidly of identical pseudo random number algorithm and a sequence; Transmit frame and be divided into a plurality of transmitting-receiving time slots, main control device connects different slaves on different time slots, and a different slaves time slot corresponding in a frame carries out the rf data transmission.
Preferably: data packets for transmission adopts the mode of numbering to transmit between main control device and the slave, receiving terminal is after receiving a packet, send package number as replying, the package number of transmitting terminal by replying, confirming whether data send receives successfully, if get nowhere then can retransmit the legacy data bag as required.
Preferably: have all accordingly, be used for realizing that at each slave main control device and slave carry out the bidirectional transmit-receive time slot of two-way data communication in each frame.
Preferably: at each slave corresponding unidirectional transmitting-receiving time slot is arranged all in each frame, and comprise the time slot of replying of all slaves.
Than prior art, the present invention has following beneficial effect.
The present invention is based on the frequency hopping of digital RF.Slave can be undertaken synchronously by the synchronizing information that receives synchronizing channel behind dormancy awakening, can send valid data after synchronous, and equipment only needs the time of Millisecond to finish from the dormancy awakening to the data transmit-receive and processing.In each frame, be divided into a plurality of transmitting-receiving time slots, active devices can connect different slaves on different time slots, different slaves is is only received and dispatched time slot accordingly and is carried out the radio frequency transmitting and receiving data in a frame, thereby guarantees that a main control device and a plurality of slave carry out the while communication.Therefore, can realize under the situation of a main frame to a plurality of service terminals good synchronization response.
Description of drawings
Fig. 1 is the flow chart that present device realizes program.
Fig. 2 is first kind of legend of reception transmission timing of the present invention.
Fig. 3 is second kind of legend of reception transmission timing of the present invention.
Embodiment
The invention provides a kind of one-to-many fast synchronization method based on the 2.4GHz frequency hopping.This method is based on the frequency hopping of digital RF.This method adopts a plurality of frequency hopping frequency transceive data between main control device (Host) and slave (Device), this method also comprises: set a fast synchronous frequency; Main control device (Host) regularly all sends synchronizing information at fast synchronous frequency and frequency hopping frequency, after slave (Device) is received synchronizing information, carry out clock alignment, and the frequency hopping frequency table by searching predetermined fixed or with a plurality of frequency hopping frequencies of a next frequency hopping frequency of calculating rapidly of identical pseudo random number algorithm and a sequence; Transmit frame and be divided into a plurality of transmitting-receiving time slots, main control device (Host) connects different slaves (Device) on different time slots, and different slave (Device) time slot corresponding in a frame carries out the rf data transmission.Wherein the frequency hopping frequency table that can make an appointment by main control device (Host) and slave (Device) of frequency hopping frequency sequence or the calculating of adopting identical pseudo random number algorithm generate.The slave (Device) that is mainly synchronously of realization system obtains main control device (Host) synchronizing information and the mode of proofreading clock.
Optimal way of the present invention: data packets for transmission adopts the mode of numbering to transmit between main control device (Host) and the slave (Device), receiving terminal is after receiving a packet, send package number as replying, transmitting terminal can be by the package number of replying, confirming whether data send receives successfully, if get nowhere then retransmit the legacy data bag.
Optimal way of the present invention: have all accordingly, be used for realizing that at each slave (Device) main control device (Host) and slave (Device) carry out the bidirectional transmit-receive time slot of two-way data communication in each frame.Perhaps be preferably: at each slave (Device) corresponding unidirectional transmitting-receiving time slot is arranged all in each frame, and comprise the time slot of replying of all slaves (Device).
The quick synchronising frequency hopping of the inventive method is realized: the frequency hopping communication system will be realized the frequency hopping communication, and the condition that correctly receives Frequency Hopping Signal is the synchronous of frequency-hopping system.System comprises that synchronously main control device (Host) is identical with the frequency hopping pattern that slave (Device) produces, and promptly has identical frequency hopping rule.
Be mainly the mode that slave (Device) obtains main control device (Host) synchronizing information and check and correction clock.This method adopts independently synchronizing channel and self synchronous hybrid mode, main control device (Host) is put the transmission synchronizing information at a fixed time with a special channel in each frame, comprise the frequency hopping frequency point information that present frame adopts in the synchronizing information, slave (Device) receiving synchronous information on synchronizing channel, according to the time of the synchronizing information that receives and wherein frequency hopping frequency point information and time of reception, frequency hopping pattern, frequency sequence and the beginning and ending time of main control device (Host) are set, and the clock of calibration slave (Device).Since in each frame of main control device (Host) synchronizing channel in all can send synchronizing information, therefore under the normal condition, slave (Device) just can receive synchronizing information in approximately greater than the time of a frame, therefore can realize the synchronous fast of Millisecond.Equipment can be undertaken synchronously by the synchronizing information that receives synchronizing channel behind dormancy awakening, can send valid data after synchronous.Equipment only needs the time of Millisecond to finish from the dormancy awakening to the data transmit-receive and processing.
The inventive method one-to-many equipment is realized: be divided into a plurality of transmitting-receiving time slots in each frame, main control device (Host) can connect different slaves (Device) on different time slots, different slave (Device) is is only received and dispatched time slot accordingly and is carried out the radio frequency transmitting and receiving data in a frame, thereby guarantees that a main control device (Host) and a plurality of slaves (Device) carry out the while communication.
Reliable data transmission of the present invention: the packet in the frequency hopping communication system adopts the mode of packet number to know a packet, receiving terminal is after receiving a packet, send packet number as replying, transmitting terminal can be by the packet number of replying, confirming whether data send receives successfully, if get nowhere then retransmit the legacy data bag.
Implementing a kind of situation of the present invention is: at each slave (Device) corresponding bidirectional transmit-receive time slot is arranged all in each frame, realize the two-way data communication between main control device (Host) and the slave (Device).Referring to shown in Figure 2, the characteristics of this reception transmission timing example are at each equipment corresponding two-way transmitting-receiving time slot to be arranged all in each frame, can realize the two-way data communication between main frame and a plurality of equipment, wherein the arrangement of each time slot can actual conditions be carried out permutation and combination.Be adapted at the application of aspects such as two-way remote control, double-direction radio audio frequency apparatus.
Implementing another kind of situation of the present invention is: at each slave (Device) corresponding unidirectional transmitting-receiving time slot is arranged all in each frame, and comprise the time slot of replying of all slaves (Device).Referring to shown in Figure 3, the characteristics of this reception transmission timing example all have corresponding unidirectional transmitting-receiving time slot at each equipment in each frame, comprise device acknowledge time slot simultaneously to all devices, main frame can comprise the reception condition of each device data in the device acknowledge time slot, can realize the one-way data communication between main frame and a plurality of equipment, wherein the arrangement of each time slot can actual conditions be carried out permutation and combination.Be adapted at the application of aspects such as wireless mouse, mark keyboard, unidirectional remote controller, uni-directional wireless audio frequency apparatus.
Referring to Fig. 1 is the flowchart illustration that present device realizes program.The first step: slave (Device) is judged the frequency hopping sequential according to communication state, and whether needs are synchronous, if, the synchronization packets that receives main control device (Host) in synchronizing channel is carried out synchronous fast and time calibration, and judging whether then needs to receive response packet or need carry out time synchronized; If not, directly judge whether to need to receive response packet or need carry out time synchronized.Second step: then receive main control device (Host) response packet with frequency hopping channel by needs if slave (Device) is thought, determine whether the needs repeating transmission, the line time of going forward side by side calibration according to the packet number in the response packet at the response packet time slot; If slave (Device) is thought do not need, then slave (Device) has judged whether new data or has needed to retransmit, if do not have, then continues to determine whether the needs dormancy according to equipment self character; Retransmit if new data is arranged or need, then send data with frequency hopping channel to main control device (Host) at the equipment sending time slots.The 3rd step: if slave (Device) does not have new data or needs retransmission data, need dormancy again, then enter resting state, the equipment that enters resting state is waken up by the exterior terminal incident, and execution in step one again.If equipment does not need dormancy, then direct execution in step one.
Claims (4)
1. one-to-many fast synchronization method based on 2.4GHz frequency range frequency hopping, it adopts a plurality of frequency hopping frequency transceive data between main control device and slave, it is characterized in that this method also comprises:
Set a fast synchronous frequency; Main control device regularly all sends synchronizing information at fast synchronous frequency and frequency hopping frequency, after slave is received synchronizing information, carry out clock alignment, and the frequency hopping frequency table by searching predetermined fixed or with a plurality of frequency hopping frequencies of a next frequency hopping frequency of calculating rapidly of identical pseudo random number algorithm and a sequence; Transmit frame and be divided into a plurality of transmitting-receiving time slots, main control device connects different slaves on different time slots, and a different slaves time slot corresponding in a frame carries out the rf data transmission.
2. the one-to-many fast synchronization method based on 2.4GHz frequency range frequency hopping according to claim 1, it is characterized in that: data packets for transmission adopts the mode of numbering to transmit between main control device and the slave, receiving terminal is after receiving a packet, send package number as replying, the package number of transmitting terminal by replying, confirming whether data send receives successfully, if get nowhere then can retransmit the legacy data bag as required.
3. the one-to-many fast synchronization method based on the 2.4GHz frequency hopping according to claim 1 and 2 is characterized in that: have all accordingly, be used for realizing that at each slave main control device and slave carry out the bidirectional transmit-receive time slot of two-way data communication in each frame.
4. the one-to-many fast synchronization method based on the 2.4GHz frequency hopping according to claim 1 and 2 is characterized in that: at each slave corresponding unidirectional transmitting-receiving time slot is arranged all in each frame, and comprise the time slot of replying of all slaves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100769377A CN101119133A (en) | 2007-09-07 | 2007-09-07 | 2.4GHz frequency hopping technique based one-to-many fast synchronization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100769377A CN101119133A (en) | 2007-09-07 | 2007-09-07 | 2.4GHz frequency hopping technique based one-to-many fast synchronization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101119133A true CN101119133A (en) | 2008-02-06 |
Family
ID=39055095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100769377A Pending CN101119133A (en) | 2007-09-07 | 2007-09-07 | 2.4GHz frequency hopping technique based one-to-many fast synchronization method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101119133A (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771439A (en) * | 2009-11-19 | 2010-07-07 | 深圳市好易通科技有限公司 | Cluster communication method and network side device |
| CN102169624A (en) * | 2010-03-15 | 2011-08-31 | 朱曼平 | Remote-control ordering car |
| CN101901058B (en) * | 2009-05-26 | 2012-07-18 | 华中师范大学 | Wireless keyboard and mouse receiving and transmitting device |
| CN102799839A (en) * | 2011-05-23 | 2012-11-28 | 成都阿艾夫通信有限公司 | Method for synchronous awakening communication of active RFID (Radio Frequency Identification Devices) system |
| CN103178924A (en) * | 2011-12-20 | 2013-06-26 | 国民技术股份有限公司 | Method and terminal for data transmission |
| CN103391364A (en) * | 2013-07-12 | 2013-11-13 | 天脉聚源(北京)传媒科技有限公司 | Synchronization method and device for controlled terminal and intelligent terminal serving as remote control terminal |
| CN103391113A (en) * | 2013-07-03 | 2013-11-13 | 深圳雷柏科技股份有限公司 | Wireless keyboard mouse and frequency hopping RF (Radio Frequency) communication transmitting and receiving method and device thereof |
| CN103401583A (en) * | 2013-06-25 | 2013-11-20 | 北京溢美四方软件技术有限公司 | Clock recovery and calibration method based on identification of pseudo-random sequence characteristics |
| CN103945520A (en) * | 2013-01-22 | 2014-07-23 | 新唐科技股份有限公司 | Communication system, master control end device and communication method |
| CN104320838A (en) * | 2014-11-27 | 2015-01-28 | 重庆智能水表集团有限公司 | Method for implementing concentrated user meter reading through low-power-consumption wireless communication network systems |
| CN104639209A (en) * | 2015-02-13 | 2015-05-20 | 深圳市睿祺智尚科技有限公司 | Self-adaptive frequency-hopping method of 2.4G transmission network |
| CN105118254A (en) * | 2015-07-14 | 2015-12-02 | 芜湖美的厨卫电器制造有限公司 | Communication method used for remote controller to control household electrical appliance, and household electrical appliance system |
| CN106162502A (en) * | 2015-03-20 | 2016-11-23 | 北京虎符科技有限公司 | Safe bluetooth communication equipment |
| CN106301491A (en) * | 2015-05-18 | 2017-01-04 | 北京富华胜科技中心 | A kind of data transmission method based on multiple-input and multiple-output |
| CN106991857A (en) * | 2017-05-24 | 2017-07-28 | 苏州百智通信息技术有限公司 | Electric answer device and answering system |
| CN107147420A (en) * | 2017-06-14 | 2017-09-08 | 江苏钜芯集成电路技术股份有限公司 | Radio communication device and wireless communications method based on RF remote-controlled chip |
| CN108541020A (en) * | 2018-04-03 | 2018-09-14 | 东软熙康阿尔卑斯（沈阳）科技有限公司 | A kind of communication system, method and activities monitoring system |
| CN108600507A (en) * | 2018-03-20 | 2018-09-28 | 厦门亿联网络技术股份有限公司 | A kind of message informing method of DECT |
| CN111478748A (en) * | 2019-01-05 | 2020-07-31 | 海盗船存储器公司 | Electronic device and method for data transmission |
| CN112055315A (en) * | 2019-08-05 | 2020-12-08 | 合肥炬芯智能科技有限公司 | Bluetooth broadcast communication method, system and master device and slave device thereof |
| CN112543502A (en) * | 2020-11-30 | 2021-03-23 | 紫光展锐(重庆)科技有限公司 | Communication synchronization method, device, apparatus and storage medium |
| CN114629526A (en) * | 2020-12-14 | 2022-06-14 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Frequency hopping synchronization method, device and system |
-
2007
- 2007-09-07 CN CNA2007100769377A patent/CN101119133A/en active Pending
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901058B (en) * | 2009-05-26 | 2012-07-18 | 华中师范大学 | Wireless keyboard and mouse receiving and transmitting device |
| CN101771439B (en) * | 2009-11-19 | 2014-05-14 | 海能达通信股份有限公司 | Cluster communication method and network side device |
| CN101771439A (en) * | 2009-11-19 | 2010-07-07 | 深圳市好易通科技有限公司 | Cluster communication method and network side device |
| CN102169624A (en) * | 2010-03-15 | 2011-08-31 | 朱曼平 | Remote-control ordering car |
| CN102799839B (en) * | 2011-05-23 | 2015-11-18 | 阿艾夫技术有限公司 | The method of active RFID system synchronized wake-up communication |
| CN102799839A (en) * | 2011-05-23 | 2012-11-28 | 成都阿艾夫通信有限公司 | Method for synchronous awakening communication of active RFID (Radio Frequency Identification Devices) system |
| CN103178924A (en) * | 2011-12-20 | 2013-06-26 | 国民技术股份有限公司 | Method and terminal for data transmission |
| CN103178924B (en) * | 2011-12-20 | 2018-04-17 | 国民技术股份有限公司 | A kind of data transmission method and terminal |
| CN103945520A (en) * | 2013-01-22 | 2014-07-23 | 新唐科技股份有限公司 | Communication system, master control end device and communication method |
| CN103945520B (en) * | 2013-01-22 | 2017-10-20 | 新唐科技股份有限公司 | Communication system, master control end device and communication method |
| CN103401583A (en) * | 2013-06-25 | 2013-11-20 | 北京溢美四方软件技术有限公司 | Clock recovery and calibration method based on identification of pseudo-random sequence characteristics |
| CN103391113A (en) * | 2013-07-03 | 2013-11-13 | 深圳雷柏科技股份有限公司 | Wireless keyboard mouse and frequency hopping RF (Radio Frequency) communication transmitting and receiving method and device thereof |
| CN103391364A (en) * | 2013-07-12 | 2013-11-13 | 天脉聚源(北京)传媒科技有限公司 | Synchronization method and device for controlled terminal and intelligent terminal serving as remote control terminal |
| CN104320838A (en) * | 2014-11-27 | 2015-01-28 | 重庆智能水表集团有限公司 | Method for implementing concentrated user meter reading through low-power-consumption wireless communication network systems |
| CN104320838B (en) * | 2014-11-27 | 2017-08-08 | 重庆智能水表集团有限公司 | A kind of implementation method for the low-consumption wireless communications network system copied for family table collection |
| CN104639209A (en) * | 2015-02-13 | 2015-05-20 | 深圳市睿祺智尚科技有限公司 | Self-adaptive frequency-hopping method of 2.4G transmission network |
| CN106162502A (en) * | 2015-03-20 | 2016-11-23 | 北京虎符科技有限公司 | Safe bluetooth communication equipment |
| CN106301491A (en) * | 2015-05-18 | 2017-01-04 | 北京富华胜科技中心 | A kind of data transmission method based on multiple-input and multiple-output |
| CN105118254A (en) * | 2015-07-14 | 2015-12-02 | 芜湖美的厨卫电器制造有限公司 | Communication method used for remote controller to control household electrical appliance, and household electrical appliance system |
| CN106991857A (en) * | 2017-05-24 | 2017-07-28 | 苏州百智通信息技术有限公司 | Electric answer device and answering system |
| CN107147420A (en) * | 2017-06-14 | 2017-09-08 | 江苏钜芯集成电路技术股份有限公司 | Radio communication device and wireless communications method based on RF remote-controlled chip |
| CN108600507A (en) * | 2018-03-20 | 2018-09-28 | 厦门亿联网络技术股份有限公司 | A kind of message informing method of DECT |
| CN108600507B (en) * | 2018-03-20 | 2020-09-22 | 厦门亿联网络技术股份有限公司 | DECT message notification method |
| CN108541020B (en) * | 2018-04-03 | 2022-03-15 | 东软熙康健康科技有限公司 | Communication system, method and activity monitoring system |
| CN108541020A (en) * | 2018-04-03 | 2018-09-14 | 东软熙康阿尔卑斯（沈阳）科技有限公司 | A kind of communication system, method and activities monitoring system |
| CN111478748A (en) * | 2019-01-05 | 2020-07-31 | 海盗船存储器公司 | Electronic device and method for data transmission |
| CN112055315B (en) * | 2019-08-05 | 2021-07-02 | 合肥炬芯智能科技有限公司 | Bluetooth broadcast communication method, system and master device and slave device thereof |
| CN112055315A (en) * | 2019-08-05 | 2020-12-08 | 合肥炬芯智能科技有限公司 | Bluetooth broadcast communication method, system and master device and slave device thereof |
| CN112543502A (en) * | 2020-11-30 | 2021-03-23 | 紫光展锐(重庆)科技有限公司 | Communication synchronization method, device, apparatus and storage medium |
| CN114629526A (en) * | 2020-12-14 | 2022-06-14 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Frequency hopping synchronization method, device and system |
| CN114629526B (en) * | 2020-12-14 | 2024-04-26 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Frequency hopping synchronization method, device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101119133A (en) | 2.4GHz frequency hopping technique based one-to-many fast synchronization method | |
| KR100959294B1 (en) | Managing low-power wireless mediums in multiradio devices | |
| US8571005B1 (en) | Method and apparatus for synchronization of a master timebase with one or more slave timebases using indirect signalling of timing information | |
| EP3461224B1 (en) | System for managing radio modems | |
| CN101444006B (en) | Controlling radio modems in a device to avoid interference | |
| TWI436625B (en) | Managing unscheduled wireless communication in a multiradio device | |
| US8325703B2 (en) | Multiradio scheduling including clock synchronization validity protection | |
| US20090245221A1 (en) | Multiradio operation using interference reporting | |
| US20180152891A1 (en) | Method for switching bluetooth working modes, electronic device, and bluetooth chip | |
| US9198115B2 (en) | Method and apparatus for scanning and device detection in a communication system | |
| CN102215521B (en) | Communication device and linking method thereof | |
| US8873756B2 (en) | System for transmitting a data signal in a network, method, mobile transmitting device and network device | |
| WO2003069925A1 (en) | Wireless communication system, wireless communication device and wireless communication method, and computer program | |
| WO2008117185A2 (en) | Multiradio management through shared time allocation | |
| TW200803375A (en) | Radio transmission scheduling according to multiradio control in a radio modem | |
| WO2013100994A1 (en) | Wireless communication device and method for power-efficient data transfer | |
| JP3777155B2 (en) | Wireless communication device capable of improving connection rate and method thereof | |
| CN100592730C (en) | Hybrid-type data transmission apparatus and method for high performance wireless LAN | |
| CN101668332A (en) | Communication method and system | |
| Conti et al. | System level analysis of the bluetooth standard | |
| EP1924035A2 (en) | Touch type bluetooth match system, bluetooth devices for same | |
| JP2018007122A (en) | Radio communication device and radio communication system | |
| US20080008123A1 (en) | Touch type bluetooth match system, bluetooth devices for same | |
| CN107204791A (en) | A kind of frequency-hopping transmissions method and system, receiving device and sending ending equipment | |
| CN101667066B (en) | Synchronous wireless transmission system and synchronous wireless transmission method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080206 |