标签: 和挑

LTE终端展望和挑战TDD-LTE终端展望和挑战π从终端看LTE的市场前景提纲带宽制约了数据业务的发展音乐下载、离线游戏、彩铃依然是目前国内用户使用最多的应用2G/2.5G的低带宽不能让用户更好的体验视频、SNS、Email等无论是运营商还是开放的移动互联网应用都需要寻求带宽的突破LTE时代的典型应用•宽带上网•高清电视•视频会议•视频监控•数据共享•大型联网游戏•大容量邮件LTE终端面临的新挑战操作系统：π互联网时代Windows一统江湖的局面？πAndriod、WM、Symbian、以及其他诸侯并存的现状延伸？芯片、方案：π更高数据吞吐意味着更强的基带处理需求；要求物理层算法尽可能用硬件实现，如FFT/IFFT、编译码、调制/解调、交织/解交织等。基带芯片的规模将更大，不得不采用更新的工艺。π更多的应用需要更强的计算能力；大容量存储？π功耗设计更具挑战；π全新的物理层技术MIMO、OFDM等；π新的频段、带宽、发送、接受技术对射频芯片是个全新的挑战……

多核处理器的基本原理、趋势和挑战Multi-coreProcessors:Fundamentals,Trends,andChallengesFrankSchirrmeister,Imperas,Inc.,2200,GengRoad,PaloAlto,California,94303franks@imperas.comThisclassESC351willcomparedifferentmulti-coreprocessorarchitecturesintheembeddedandcomputespaceandanalyzetheirchallengesspecificallyfromasoftwaredevelopment,analysisandoptimizationperspective.Wewillcomparedifferentfundamentalapproachestoconcurrencyinsoftwareandhardware,outlinetrendstohardwareandsoftwarearchitecturesinspecificapplicationdomainsandanalyzethespecificresultingchallengestosoftwareprogrammingandhardwaredesign.Theclasswillclosewithananalysisoftoolrequirementsresultingfrommulti-corechallengesandoutlineassociatedtrends.1IntroductionDuring……

中国Wi-Fi市场白皮书：机遇、动力和挑战中国Wi-Fi市场白皮书：机遇、动力和挑战易观国际撰写Wi-Fi联盟赞助2006年4月2006Wi-FiAlliance.Allrightsreserved.Wi-Fi,Wi-FiAlliance,Wi-FiCERTIFIED,theWi-FiCERTIFIEDlogo,andtheWi-FilogoareregisteredtrademarksoftheWi-FiAlliance;andtheWi-FiAlliancelogoisatrademarkoftheWi-FiAlliance.WMM,WPA,WPA2andWi-FiZONEarecertificationmarksoftheWi-FiAlliance.Thefollowingdocument,andtheinformationcontainedhereinregardingWi-FiAllianceprogramsandexpecteddatesoflaunch,issubjecttorevisionorremovalatanytimewithoutnotice.THISDOCUMENTISPROVIDEDONAN"ASIS","ASAVAILABLE"AND"WITHALLFAULTS"BASIS.THEWI-Page1of39FIALLIANCEMAKESNOREPRESENTATIONS,WARRANTIES,CONDITIONSORGUARANTEESASTOTHEUSEFULNESS,QUALITY,SUITABILITY,TRUTH,……