智能蓝牙4.0低功耗方案市场应用

BLEINTRODUCTIONEdison 2020蓝牙超低功耗方案与应用深圳市海博思科技有限公司智能家居、智能厨房、综合方案商与供应商，研发 设计 生产 一条龙服务Shenzhen Hypersynes Co., Ltd specialized in developing and manufacturing different types of thermometers,smart home ,smart kitchen, including indoor/outdoor Cooking thermometer, oven thermometer, meat thermometer, candy thermometer, Kamado Thermometer with Bluetooth Wireless 4.0 Bluetooth 5.0.It is comprised of engineers, technicians, and staff members with abundant experiences in the field of optoelectronics, semiconductor and IC design. Now it has developed to be one of the leading manufacturers in this field.Hypersynes pursues the tenet that the quality is first and set up a strict QC system. All of its products are tested strictly to assure safety, accuracy, and reliability. Our products meet European CE, Germany LFGB, and USA FDA standards. Excellent quality and service had the company won a good reputation all over the world.In order to meet the demands in the domestic and overseas markets, Hypersynes also has been developing and researching to manufacture new products continuously. We are able to supply quite wide choices of thermometers to you.In addition, we also can manufacture the products according to your design or customized requirement. Hypersynes a manufacturer and supplier inShenzhen China. Here you can find high-quality products in a competitive price. Also, we supply OEM ODM service of products for you.Shenzhen Hypersynes Co., Ltd focuses on designing and manufacturing. The company develops its own, Firmware, Hardware and Software Applications to enable a customers total solution. Its Bluetooth products range includes; SMT modules which can support either a SPP or HID (firmware) or SPP HFP, PBAP, AVRCP, A2DP to support our Multimedia modules . Its BLE Serial Adapters have US and EU patented firmware which bluetooth food thermometer act are true cable replacement solution and our USB adapter range come with either a Nano Footprint or Long Range External Antenna for use within food thermometer.深圳市海博思科技有限公司涉及多种通讯产品，包括蓝牙产品，如烧烤温度计，WiFi 蓝牙吸烟者温度计，kamado 温度计，Smart domi 温度计，智能传感器。

凭借其RD /工程设计能力和生产设施，Hypersynes Technology 还可以进一步开发OEM / ODM 蓝牙产品，WiFi 产品。

Hypersynes 致力于为嵌入式蓝牙和WiFi IOT 连接提供最佳解决方案。

W HAT IS B LUETOOTH L OW E NERGY?A PPLICATIONS‐F ITNESSA PPLICATIONS‐H EALTHCAREA PPLICATIONS–O FFICE PC AND P HONEA PPLICATIONS–H OME E NTERTAINMENTA PPLICATIONS‐A UTOMOTIVEA PPLICATIONS–R EMOTE D ISPLAYA PPLICATIONS•Requirement–Low power (battery powered for months or even years)–Low data rateL d t t–Short range•Main applications–Heart Rate Monitor (HRM)–Pedometer/activity monitor–Blood pressure monitor–Pulse oximeter–Blood glucose–Digital scaleS h–Sports watch–Remote control–Human Interface Device (HID)B LUETOOTHC ORE S PECIFICATIONS•V4.0 –July, 2010–Enables new applications in different markets including healthcare, sports, fitness, security, and home entertainment•V3.0 + HS –April, 2009–Enables applications to utilize 802.11 MAC/PHY through addition of Generic Alternative MAC/PHY architecture/•V2.1 + EDR –July, 2007–Introduced Secure Simple Pairing enabling users to securely pair•V2.0 + EDR –November, 2004–Added Enhanced Data Rate enhancing throughput from 1 to 3 mbpsL OW E NERGY H ISTORY•First idea by Nokia: 2001•Wibree Forum was formed: 2006•Wibree merged into Bluetooth SIG as ULP: 2007 “Bluetooth low energy technology will see extremely rapid and widespread because with idespread adoption beca se it combines ith an established technology and supports a new generation of applications and connectivity for mobile handsets around the world….world”‐2009 ABI researchFast Communicating efficiently Communicating Fast, Communicating short andB LUETOOTH D EVICE T YPESBluetooth Smart Ready Bluetooth SmartB LUETOOTH S MART R EADY DEVICESMacBook Pro GALAXY S IIIMOTO RAZRMac Minih i diPhone4SThe New iPad MacBook AirB LUETOOTH S MART D EVICESPHYSICAL LAYERBLE P HYSICAL L AYER•Frequency band: 2400~2483.5MHz,,,•RF channels: f = 2402+K*2 MHz, k=0,…,39•Frequency hopping to combat interference and fading •TX power: 0.01mW ‐20dBm) 10mW (+10dBm)001mW(~•Modulation: Gaussian Frequency Shift Keying (GFSK)•Air data rate: 1Mbps•Modulation index: 0.45~0.55F REQUENCY S HIFT K EYING(FSK) M ODULATIONFSK ModulationModulation index β=2Δf/f iΔf: frequency deviationf i: symbol rate•FSK: Frequency Shift Keying (Binary FSK or 2FSK)p q y y g(g)•MFSK: Multiple Frequency Shift Keying (e.g. 4FSK)•MSK: Minimum Shift Keying (β=0.5)•GFSK: Gaussian Frequency Shift Keying•GMSK: Gaussian Minimum Shift Keying (β=0.5)BLE P HYSICAL L AYER–GFSK M ODULATION•Symbol rate=1Mbps, β=0.45~0.55, Δf=225kHz~275kHzF d i ti t itti h ld b ll th f th t •Frequency deviation transmitting 1010 sequence should be no smaller than 80% of that transmitting 00001111 sequence.•And Δf>=185kHz•Symbol timing accuracy better than ±50ppm•Zero crossing error < ±1/8 symbol timing (1/8 * 1us = 125ns)P HYSICAL L AYER–TX C HARACTERISTICS •Transmission power: 0.01mW (‐20dBm) ~ 10mW (+10dBm) •Spurious emissionsS i i i–Modulation spectrum–In‐band spurious emission–Out‐of‐band spurious emissionfreq enc tolerance•Radio frequency–Initial frequency offset–Frequency drift–Symbol rate–Frequency deviationP HYSICAL L AYER–RX C HARACTERISTICS•Sensitivity level–The actual sensitivity level is defined as the receiver input level for which a BER of 01%is achie ed0.1% achieved.–Spec requires better than ‐70dBm•Interference performance•Out‐of‐band blocking•Intermodulation characteristics•Maximum useable levelLINK LAYERL INK L AYER•The operation of the Link Layer can be described in terms of a state machine with the following five states:–Standby State–Advertising State–Scanning State–Initiating State–Connection StateL INK L AYER S TATES& R OLESL INK L AYER B ASICS•Bit ordering–BLE link layer spec follows the Little Endian format. The LSB corresponds to b0 and the LSB is the bit parameter X3, it s b0b1b2110.first bit sent over the air.For example3‐X=3,it’s sent as b0b1b2=110.•Device address–Device addresses may be either a public device address or a random device address.–Public device address should be created in accordance with section 9.2 ("48‐bit universal LAN MAC addresses") of the IEEE 802‐2001 standard.–Random device addressA IR I NTERFACE P ACKETSA DVERTISING C HANNEL PDUPDU TypePacket Name TX/Role RX/Role Payloadb3b2b1b00000ADV_IND Advertiser Scanner/Initiator{AdvA(6),AdvData(0~31)} 0001ADV_DIRECT_IND Advertiser Initiator{AdvA(6),InitA(6)} 0010ADV_NONCONN_IND Advertiser Scanner/Initiator{AdvA(6),AdvData(0~31)} 0011SCAN_REQ Scanner Advertiser{ScanA(6),AdvA(6)} 0100SCAN_RSP Advertiser Scanner{AdvA(6),ScanRspData(0~31)} 0101CONNECT_REQ Initiator Advertiser{InitA(6),AdvA(6),LLData(22)} 0110ADV_SCAN_IND Advertiser Scanner/Initiator{AdvA(6),AdvData(0~31)} 0111‐1111ReservedCONNECT_REQ P AYLOADField DescriptionAA Access Address for the link layer connection generated by InitiatorCRCInit the initialization value for the CRC generationWinSize indicate the transmitWindowSize WinSize 1.25ms=*125msWinOffset indicate the transmitWindowOffset= WinOffset* 1.25msInterval indicate the connInterval= Interval * 1.25msLatency indicate connSlaveLatency= LatencyTimeout indicate the connSupervisionTimeout= Timeout * 10msChM contain the channel map indicating Used and Unused data channelsHop indicate the hopIncrement used in the data channel selection, in the range of 5~16 SCA indicate the masterSCA used to determine the worst case master’s sleep clock accuracyD ATA C HANNEL PDUB IT S TREAM P ROCESSING•Data whitening is used to avoid longsequences of zeros or ones, e.g.0000000b or 1111111b, in the data bitstream. Applied on PDU and CRC fields.FHSS AND DSSSFrequency Spectrum of FHSS and DSSS•Bluetooth: FHSS•802.15.4: DSSS (chip rate: 2Mbps, symbol rate: 250kbps)P HYSICAL C HANNELS•37 data channels: 0~36g•3 advertising channels: 37, 38, 39AIR INTERFACE PROTOCOLA DVERTISING E VENTS & I NTERVAL•Each advertising event is composed of one or more advertising PDUs sent on usedadvertising channel indexes. The advertising event shall be closed after one advertising PDU has been sent on each of the used advertising channel indexes or the advertiser may close an advertising event earlier to accommodate other functionality.Event TypePDU TypeadvIntervaladvDelayconnectable undirected event ADV_IND n*0.625ms,20ms~104s P dbl d d 20ms~10.4s Pseudo random value in 0~10msconnectabledirected event ADV_DIRECT_IND non ‐connectable undirected event ADV_NONCONN_IND n*0.625ms, 100ms~104sbl di t d tADV SCAN IND 100ms 10.4s scannable undirected event ADV_SCAN_INDC ONNECTABLE U NDIRECTEDE VENT T YPEConnectable undirected advertisingevent with CONNECT_REQ PDUInter Frame Space:T_IFS=150us•The event is from Advertiser to Initiator.•Initiator may response (CONNECT_REQ PDU) to request to enter Connection State.•After sent ADV_DIRECT_IND PDU, the Advertiser shall listen for CONNECT_REQ PDUs on Aft t ADV DIRECT IND PDU th Ad ti h ll li t f CONNECT REQ PDU the same advertising channel. Any SCAN_REQ PDUs received shall be ignored._,•If CONNECT_REQ PDU received with its device address and the initiator device, the Link Layer shall exit Advertising State and transition to Connection State in the Slave Role.•Otherwise, the advertiser shall either move to the next used advertising channel index ADV DIRECT IND PDU event to send another ADV_DIRECT_IND PDU, or close the advertising event.•The time between the start of two consecutive ADV_DIRECT_IND PDUs sent on the same advertising channel index shall be less than or equal to 3. 75 ms.•The Link Layer shall exit Advertising State no later than 1.28 s after Advertising State was entered.N ON‐CONNECTABLE U NDIRECTED E VENT•The event allows a scanner to receive information contained in the ADV_NONCONN_IND PDU from the advertiser.•The advertiser shall either move to thenext used advertising channel or close the event after each ADV_NONCONN_IND PDU that is sent.•The Link Layer does not listen.•The time between the beginning of two consecutive ADV_NONCONN_IND PDUs within an advertising event shall be less than or equal to 10 ms.C ONNECTION S TATE•The Link Layer enters the Connection State when an initiator sends a CONNECT_REQ PDU to an advertiser or an advertiser receives a CONNECT_REQ PDU from an initiator.After entering State, created.•the Connection State the connection is considered to be•A connection is only considered to be established once a data channel packet has been received from the peer device.•A connection supervision timer, TLLconnSupervision, is used to detect link loss. •Upon reception of a valid packet, the timer shall be reset.h i i i i h I l b f h i i •If the connection supervision timer reaches 6 * connInterval before the connection is established, the connection shall be considered lost. This enables fast termination of connections that fail to establish.S LAVE V IEW OF THE C ONNECTION S ETUP•After the advertiser receives a CONNECT_REQ PDU the Link Layer is in Connection State in the Slave Role.p p•The slave shall start to listen for the first packet within the transmit window. It is permitted that the master’s first packet can extend beyond the transmit window, and therefore the slave must take this into account.The first received, regardless of a valid CRC match (i.e., only the access code matches), in the •packetConnection State by the slave determines the anchor point for the first connection event, and therefore the timings of all future connection events in this connection.If packet is not in a transmit window, the slave shall attempt packet in a•a received window to receive a subsequent transmit window. A subsequent transmit window shall start connInterval after the start of the previous transmit window, with the same transmitWindowSize.C LOSING C ONNECTION E VENTS•The MD bit of the Header of Data Channel PDU is to indicate that the device has more data to send.•packet not received from the slave the master will close the connection event If a is slave, event. •If a packet is not received from the master, the slave will close the connection event.p•Two consecutive packets received with an invalid CRC match within a connection event shall close the event.SHORT RANGE DEVICE (SRD)S HORT R ANGE W IRELESS S TANDARDSwww.nfc‐www z‐wavealliance orgwww.z one‐G ENERAL C OMPARISONB LUETOOTH ICV ENDORSVendorsTarget Market mode or classic Samsung Mobile phone Dual (CSR)BroadcomQualcomm (Atheros)Tablet Notebook A di i TIMediaTekISSCAudio streaming …RDABLE single mode CSR (CSR1000/1001)Sports & fitness TI (CC2540/2541)ISSC (…)Nordic (nRF8001/8002/51xxx)Mi Health & wellness CE/PC Smart home EM Micro (EM9301)Quintic (QN90xx)…Official Mail:info@Sales Manager:haleyguo@CEO Steven Liu：+86 173********CEOMail:Steven@Call US at:+86 755 8465 0626Alibaba Website:https:// Official Website:https://www.hypersynes. comCompanyAddress:5/F,A building,2nd ShangLilang Industry Park,Longgang,ShenZhen。