CN108924804A - A method of based on inexpensive GFSK chip and mobile communication - Google Patents
A method of based on inexpensive GFSK chip and mobile communication Download PDFInfo
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- CN108924804A CN108924804A CN201810741375.1A CN201810741375A CN108924804A CN 108924804 A CN108924804 A CN 108924804A CN 201810741375 A CN201810741375 A CN 201810741375A CN 108924804 A CN108924804 A CN 108924804A
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- chip
- gfsk
- data packet
- mobile phone
- inexpensive
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention relates to a kind of methods based on inexpensive GFSK chip and mobile communication, it includes that S1, GFSK chip-mobile phone reception a, GFSK chip send out the first data packet, it includes BLE broadcast packet, BLE broadcast packet includes 1 Byte of lead code, 3 Byte of 4 Byte of access address, data PDU and CRC check；B, the first data packet is received after Bluetooth of mobile phone scanning BLE broadcast packet；S2, mobile phone transmission-GFSK chip receive a, mobile phone sends out the second data packet, and it includes GFSK chip data packet, GFSK chip data packet includes 3 Byte of lead code, 3~5 Byte of access address, data Payload and CRC check 2Byte；B, GFSK chip receives the second data packet.This method solves the problems, such as high cost Bluetooth chip bring industry barrier, and low-cost chip is enabled to realize two-way communication with mobile phone.
Description
Technical field
It is especially a kind of based on inexpensive GFSK chip and mobile communication the present invention relates to the technical field of communications facility
Method.
Background technique
Bluetooth chip on the market is highly integrated 4.0 low-power consumption single mode device of bluetooth at present, it is integrated with high property
Energy RF transceiver, base band, ARM core microprocessor, function peripheral unit abundant, Programmable protocol and configuration file etc., with
Support wisdom wearing, indoor positioning ibeacon, smart home BLE application.But the powerful core list as built in Bluetooth chip
Member can not fit so that cost is higher in the application field of some cost sensitivities, such as indoor positioning, remote controler, toy industry
With causing natural barrier to the all-round popularization of Bluetooth technology.
Summary of the invention
The technical problem to be solved by the present invention is to：In order to solve the problems, such as above-mentioned background technique, a kind of base is provided
It is easy to operate in the method for inexpensive GFSK chip and mobile communication, solve high-cost Bluetooth chip bring industry wall
Base problem, so that the chip of low cost also can realize two-way communication with mobile phone, so that Bluetooth technology use scope is expanded,
Also thoroughly convenient for people to use, convenient for being widely popularized and using.
The technical solution adopted by the present invention to solve the technical problems is：One kind is logical based on low cost GFSK chip and mobile phone
The method of news, includes the following steps：S1, GFSK chip-mobile phone receives a, GFSK chip and sends out the first data packet, and described the
Include BLE broadcast packet in one data packet, includes lead code 1Byte, access address 4Byte, data in the BLE broadcast packet
PDU and CRC check 3Byte；B, GFSK chip is received after Bluetooth of mobile phone scanning BLE broadcast packet send out the first data packet；S2, hand
Machine transmission-GFSK chip receives a, mobile phone B LE sends out the second data packet, includes GFSK chip-count in second data packet
According to packet, the GFSK chip data packet includes lead code 3Byte, 3~5Byte of access address, data Payload and CRC inspection
Test 2Byte；B, GFSK chip receives the second data packet that mobile phone issues.
It further limits, further includes lead code 1Byte, access in first data packet in above-mentioned technical proposal
3~5Byte of address and CRC check 2Byte.
It further limits, further includes lead code 1Byte, access in second data packet in above-mentioned technical proposal
Address 4Byte and CRC check 3Byte.
It further limits, further includes data head BLEHeader in second data packet in above-mentioned technical proposal.
It further limits, in above-mentioned technical proposal, scrambling code and CRC function are opened simultaneously in the step S2GFSK chip
It opens.
It further limits, in above-mentioned technical proposal, GFSK chip receives frequency point and mobile phone B LE hair in the step S2
The second data packet frequency point out is identical.
The beneficial effects of the invention are as follows：A kind of side based on inexpensive GFSK chip and mobile communication proposed by the present invention
Method, it is easy to operate, solve the problems, such as high-cost Bluetooth chip bring industry barrier, so that the chip of low cost also can be with hand
Machine realizes two-way communication, so that Bluetooth technology use scope is expanded, it is also thoroughly convenient for people to use, convenient for pushing away extensively
Wide and use.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the transmitting-receiving flow chart of GFSK chip after being abstracted in the present invention.
In attached drawing：Payload is A, and chip (TX) can be equivalent to mapping relations F, and chip (RX) is equivalent to mapping relations
F-1。
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention
As shown in Figure 1 be a kind of method based on inexpensive GFSK chip and mobile communication, include the following steps：S1,
GFSK chip-mobile phone receives a, GFSK chip and sends out the first data packet, includes BLE broadcast packet, BLE broadcast in the first data packet
It include lead code 1Byte, access address 4Byte, data PDU and CRC check 3Byte in packet；B, Bluetooth of mobile phone scanning BLE broadcast
GFSK chip is received after packet sends out the first data packet；S2, mobile phone transmission-GFSK chip receive a, mobile phone B LE sends out second
Data packet, interior the second data packet includes GFSK chip data packet, and GFSK chip data packet includes lead code 3Byte, access address 3
~5Byte, data Payload and CRC check 2Byte；B, GFSK chip receives the second data packet that mobile phone issues.
It wherein, further include lead code 1Byte, 3~5Byte of access address and CRC check 2Byte in the first data packet.The
It further include lead code 1Byte, access address 4Byte and CRC check 3Byte in two data packets.It further include number in second data packet
According to head BLE Header.Scrambling code and CRC function are opened simultaneously in step S2GFSK chip.GFSK chip receives frequency point in step S2
It is identical with the second data packet frequency point that mobile phone B LE is issued.
Bluetooth of mobile phone needs to make lead code, access address, PDU format and the school CRC when scanning broadcast packet in this application
It tests all by can just receive.
In order to enable mobile phone to match the data packet of GFSK chip transmission, need to make the broadcast packet of BLE to be contained in chip
In data packet, i.e., the data packet that chip is sent should meet following format：
See that Fig. 1 is the chip transmitting-receiving process after being abstracted, in order to enable GFSK chip to match the data of Bluetooth of mobile phone transmission
Packet, needs to meet condition：One section of complete F (A) is contained among G (X), that is, needs to be contained in data packet in BLE packet, hand
The data packet that machine BLE is sent should meet following format：
It under this matching mechanisms, does not need to carry out additional configuration to the chip of receiving end again, only keeps scrambling code and CRC
Function is opened, and it is consistent with BLE broadcast packet frequency point for receiving frequency point setting.
The application based on inexpensive GFSK chip with the method for mobile communication compared with existing mature Bluetooth technology is applied,
The product up-gradation in cost sensitivity field may be implemented in the present invention, has in low-power consumption, transmission range, transmission rate significantly
It is promoted, while reducing technology upgrading bring product cost, realize the field upgrading of internet of things product.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of method based on inexpensive GFSK chip and mobile communication, which is characterized in that include the following steps：S1,GFSK
Chip-mobile phone receives a, GFSK chip and sends out the first data packet, includes BLE broadcast packet in first data packet, described
BLE broadcast packet in include lead code 1Byte, access address 4Byte, data PDU and CRC check 3Byte；B, Bluetooth of mobile phone is swept
Reception GFSK chip sends out the first data packet after retouching BLE broadcast packet；S2, mobile phone transmission-GFSK chip receive a, mobile phone B LE hair
The second data packet is sent out, includes GFSK chip data packet in second data packet, the GFSK chip data packet includes
Lead code 3Byte, 3~5Byte of access address, data Payload and CRC check 2Byte；B, GFSK chip receives mobile phone and issues
The second data packet.
2. a kind of method based on inexpensive GFSK chip and mobile communication as described in claim 1, it is characterised in that：It is described
The first data packet in further include lead code 1Byte, 3~5Byte of access address and CRC check 2Byte.
3. a kind of method based on inexpensive GFSK chip and mobile communication as described in claim 1, it is characterised in that：It is described
The second data packet in further include lead code 1Byte, access address 4Byte and CRC check 3Byte.
4. a kind of method based on inexpensive GFSK chip and mobile communication as described in claim 1, it is characterised in that：It is described
The second data packet in further include data head BLE Header.
5. a kind of method based on inexpensive GFSK chip and mobile communication as described in claim 1, it is characterised in that：It is described
Step S2GFSK chip in scrambling code and CRC function open simultaneously.
6. a kind of method based on inexpensive GFSK chip and mobile communication as described in claim 1, it is characterised in that：It is described
Step S2 in GFSK chip to receive the second data packet frequency point that frequency point and mobile phone B LE are issued identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810741375.1A CN108924804A (en) | 2018-07-09 | 2018-07-09 | A method of based on inexpensive GFSK chip and mobile communication |
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| CN201810741375.1A CN108924804A (en) | 2018-07-09 | 2018-07-09 | A method of based on inexpensive GFSK chip and mobile communication |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083648A (en) * | 2019-12-31 | 2020-04-28 | 东南大学 | Very-low-cost BLE Beacon hardware architecture and compatible broadcast packet generation method |
| CN111144535A (en) * | 2019-12-24 | 2020-05-12 | 湖州太平微特电机有限公司 | Pseudo-bluetooth electronic tags of low cost |
| CN111294737A (en) * | 2020-02-28 | 2020-06-16 | 深圳市中科蓝讯科技股份有限公司 | Method and system for generating and transmitting BLE broadcast packet through classic Bluetooth |
| CN113242204A (en) * | 2021-03-11 | 2021-08-10 | 上海兆煊微电子有限公司 | Processing device supporting BLE standard protocol or private protocol |
| CN113613224A (en) * | 2021-07-23 | 2021-11-05 | 上海磐启微电子有限公司 | Bluetooth communication method based on 2.4G chip |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113242204A (en) * | 2021-03-11 | 2021-08-10 | 上海兆煊微电子有限公司 | Processing device supporting BLE standard protocol or private protocol |
| CN113613224A (en) * | 2021-07-23 | 2021-11-05 | 上海磐启微电子有限公司 | Bluetooth communication method based on 2.4G chip |
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Application publication date: 20181130 |