ArchSummit北京-《Wi-Fi Soc芯片在loT智能设备中的应用》-黄正强

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1、ArchSummit全球架构师峰会北京站2015Wi-FiSoC芯片在IoT智能设备中的应用FrankHuangMarvellSemiconductorInc.MarvellConfidential©2015.Allrightsreserved.MarvellConfidential©2015.Allrightsreserved.提纲•IOT智能设备的连接技术及其发展趋势–Wi-Fi–BluetoothSmart–Z-Wave–ZigBee–Thread•IOT设备的Wi-FiSoC智能技术方案–集成方案(HighlyIntegratedSoC)–智能设置(SmartCo

2、nfiguration)–省电优化(PowerSavingOptimization)–桥接技术(BridgeforMesh)–自动互联(AutoLinkinMesh)4MarvellConfidential©2015.Allrightsreserved.提纲•IOT智能设备的连接技术及其发展趋势–Wi-Fi–BluetoothSmart–Z-Wave–ZigBee–Thread•IOT设备的Wi-FiSoC智能技术方案–集成方案(HighlyIntegratedSoC)–智能设置(SmartConfiguration)–省电优化(PowerSavingOptimizati

3、on)–桥接技术(BridgeforMesh)–自动互联(AutoLinkinMesh)5MarvellConfidential©2015.Allrightsreserved.IOT智能设备的连接技术IOTSmartDevices6MarvellConfidential©2015.Allrightsreserved.Wi-Fi•A.K.AWirelessLAN•BasedonIEEE802.11MAC/PHYSpecification•802.11b(1999)/g(2003)/n(2009)–Runningat2.4GHz–Rateupto150Mbpsfor1X1at

4、40MHzbandwidthin11n•802.11a(1999)/n(2009)/ac(2013)–Runningat5GHz–Rateupto867Mbpsfor1X1at160MHzbandwidthin11ac•802.11ad(WiGig®,2012.MergedwithWi-Fiin2013)–Runningat60GHz–6.75Gbps•802.11af(White-Fi/SuperWi-Fi,2014)–RunningonwhitespacespectrumintheVHF/UHFbandsbetween54and790MHz–Rateis26.7Mbp

5、sfor6/7MHzchannelsand35.6Mbpsfor8MHzchannel•802.11ah(Est2016)–Lowpowerandrangeupto1km–Runningat900MHz–Rateatleast100Kbps•802.11ax(earlystage)–Basedon802.11ac–Runningat5GHz–SignificantlyimprovedthroughputindensedeploymentsMarvellConfidential©2015.Allrightsreserved.BluetoothSmart•A.K.ABluet

6、oothLowEnergy(BLE)•BasedonBluetooth4.0standardreleasedin2010•Enhancedinversion4.1and4.2•Forlowpowerdeviceslikehealthcare,fitness,wearableetc.•NotbackwardcompatiblewithclassicBluetoothprotocol•Runningat2.4GHz•Rate1MbpsMarvellConfidential©2015.Allrightsreserved.Z-Wave•Proprietarydesign(from

7、SigmaDesignsInc.)•Lowpower•Forbattery-operateddeviceslikesmokealarms,securitysensorsetc.•Runningat900MHz•Rateupto100kbpsMarvellConfidential©2015.Allrightsreserved.ZigBee•BasedonIEEE802.15.4ratifiedin2004•Conceivedin1998,standardizedin2003andrevisedin2006•Meshnetwork