WiBro Network Architecture - KNOM

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System SpecificationTDMA -> CDMA -> OFDM(A) ?Toward 4G Mobile Communication SystemsMajor SystemParametersRadio Access RequirementDuplexing Frequency ReuseTDD1FactorMultipleAccessChannelBWOFDMA8.75 [MHz][Mobility ≤ 60 [Km/h][Service Coverage ≤ 1 [Km][Spectral Efficiency[bps/Hz/cell(sector)]Max. DL / UL = 6 / 2Aver. DL / UL = 2 / 1Handoff ≤ 150 [ms][Throughput(per user)Max. DL / UL = 3 / 1 [Mbps]Min. DL / UL = 512 / 128 [Kbps]© SAMSUNG Electronics Co., Ltd.6/7
Protocol StackPhysical Layer and MAC layerUpper layer functionalities for MobilityCore network interface<strong>WiBro</strong>802.16 eMobility(HO, (HO, Sleep mode, Idle Idle mode)SCa SCaMAC MACOFDMOFDMA802.16 a/d© SAMSUNG Electronics Co., Ltd.Scalability, H-ARQ, MIMO etc.7/7
Page 2 and 3: ContentsIntroduction to WiBro Syste
Page 4 and 5: DefinitionWireless Broadband : WiBr
Page 8 and 9: Network Reference ModelAccess Netwo
Page 10 and 11: Key RequirementsRequirementsFlexibl
Page 12 and 13: Network Elements (2/2)APP(Air Physi
Page 14 and 15: Network Configuration (2/4)NetworkE
Page 16 and 17: Network Configuration (4/4)NetworkE
Page 18 and 19: WiBro Network ArchitectureWIBroEnte
Page 20: Standard bodiesTTA PG302Service Net

WiBro Network Architecture - KNOM

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