B3G系統(tǒng)關(guān)鍵技術(shù)的FPGA設(shè)計(jì)與實(shí)現(xiàn)——同步、OFDM解調(diào).pdf

1、分類號UDC8密級學(xué)位論文y839798=回生!Q里旦叢鯉調(diào)(題名和副題名)毯驪刖(作者姓名)指導(dǎo)教師姓名奎塵進(jìn)教授遭昱電壬科撞太堂成都(職務(wù)、職稱、學(xué)位、單位名稱及地址)申請學(xué)位級別亟專業(yè)名稱通信皇信皇丕統(tǒng)論文提交日期至QQ魚Q墨論文答辯日期——2QQ魚Q墨學(xué)位授予單位和日期電壬抖撞盔堂答辯委員會主席評閱人2006年月日注1注明《國際十進(jìn)分類法UDC)的類AbstractAbstractRecentlytheneedofhighspe

2、eddatatransmissionandmultimediaservicesmakeMultipleInputMultiple—Output(MIMO)techniqueandOrthogonalFrequencyDivisionMultiplexing(OFDM)becomehotspotinthefieldofwirelessmobilecommunicationMIMO—OFDMhasbeenregardedasthekeyte

3、chnologyofB3GcommunicationsystembecauseitcanimprovesystemcapacityandspectrumefficiencyHoweverOFDMisverysensitiveto臺equencyoffsetThensynchronizationissignificanttoB3GsystemDuringtheNational‘‘863”FUTUREProject，UESTCisincha

4、rgeoftheB3GTDDdownlinkthatbasesonFPGAThedownlinkconsistsoffiveboardswhichareresponsiblefordigital—basebandtransmitting，multi—antennatransmitting，multi—antennareceiving，channelestimationanddJ罾tal—basebandreceivingrespecti

5、velyThispaperisresponsibleformulti—antennareceivingboardandhasfinishedtheFPGAdesignofsynchronizationandOFDMdemodulationSimulationandtestingresultshaveprovedtheperformanceofB3GdownlinkChapteroneandchaptertwointroducedtheb

6、ackgroundofthisdissertation，developmentsoftwareandthecharacterofdevicessummarilysuchasXilinxXC2VP70chipandAD6644ChapterthreedescribedthealgorithmofsynchronizationandOFDMdemodulationandimprovedthemethodbasedonhardwarereal

7、izationAfterintroductionofthewholeFPGAdesignofB3Gdownlink，chapterfourschemedouteveryfunctionmodulesuchastimesynchronization，frequencysynchronization，timingrecoverylastframedetect，OFDMdemodulationandRocketI／OinterfaceetcL

8、otsofstructureschemesandsimulationwaveswerepresentedChapterfiveprovedthevalidityofFPGAdesignbasedonChipScopeandcircuittestingandanalysedtheresourceandrunningspeedFinallyinchaptersix，wesummarizedandconcludedthewholedisser