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2015/1/20LTE brief introductionwww.huawei.comHUAWEI TECHNOLOGIES CO., LTD.www.huawei.comHuawei Confidential Security Level: HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 1Page 2Charter 1 LTE Protocol and Network ArchitectureCharter 2 OFDMCharter 3 LTE Physical Layer

ContentHUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 23GPP 3G evolutionLTE and HSPAForesee the first GA protocol version will be released in the end of 2008.3GPP Protocol 36.xxx series are for LTE.The first version was planned to finished in September 2007 but has been delayed. 3GPP Protocol ftphttp://www.3gpp.org/ftp/Specs/archive/

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HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential Page 4LTE Background IntroductionWhat is LTELTE (Long Term Evolution) is known as the evolution of radio access technology conducted by 3GPP. The radio access network will evolve to E-UTRAN (Evolved UMTS Terrestrial Radio Access Network), and the correlated core network will evolved to SAE (System Architecture Evolution).

What can LTE offerFlexible bandwidth configuration: supporting 1.4MHz, 3MHz, 5MHz, 10Mhz, 15Mhz and 20MHzPeak date rate (within 20MHz bandwidth): 100Mbps for downlink and 50Mbps for uplinkTime delay: