DL - 4G Americas

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Detailed Self‐Evaluation Results Antenna configuration Antenna configuration (A) Antenna configuration (C) d= 4 � d=0.5 � Co‐polarized antennas separated 4 wavelengths Antenna configuration (E) d= 0.5 � Cross‐polarized +/‐ 45 (deg) antennas columns separated 0.5 wavelength Co‐polarized antennas separated 0.5 wavelength Various antenna configurations have been evaluated © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009 © 3GPP 2009 47 Detailed Self‐Evaluation Results Downlink peak spectrum efficiency • LTE Rel. 8 fulfills ITU-R requirements • Further improved performance can be achieved by using additional technology features (e.g., 8-layer spatial multiplexing) DL peak spectrum efficiency for FDD Scheme ITU‐R Requirement Rel. 8 4‐layer spatial multiplexing Spectral efficiency [b/s/Hz] 15 16.3 8‐layer spatial 30.6 multiplexing DL peak spectrum efficiency for TDD Scheme ITU‐R Requirement Rel. 8 4‐layer spatial multiplexing 8‐layer spatial multiplexing Spectral efficiency [b/s/Hz] 15 16.0 30.0 Overhead assumptions • DL control channel (L = 1) • Cell and UE specific reference signal • Physical broadcast channel and synchronization signal © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009 © 3GPP 2009 48 www.4gamericas.org February 2011 Page 158
Uplink peak spectrum efficiency • LTE Rel. 8 fulfills ITU-R requirements • Further improved performance can be achieved by using additional technology features (e.g.,4-layer spatial multiplexing) UL peak spectral efficiency for FDD Scheme ITU‐R Requirement 2 layer spatial multiplexing Spectral efficiency [b/s/Hz] 6.75 8.4 4 layer spatial 16.8 multiplexing UL peak spectral efficiency for TDD Scheme ITU‐R Requirement 2 layer spatial multiplexing 4 layer spatial multiplexing Spectral efficiency [b/s/Hz] 6.75 8.1 16.1 Overhead assumptions • UL control channel • Physical random access channel © 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009 © 3GPP 2009 49 6 7 8 9 10 11 12 13 14 15 16 Control plane latency • LTE fulfills ITU-R requirements on control plane latency for idle to connected transition ITU-R Requirement: less than 100 Component 1 2 3-4 5 Description Average delay due to RACH scheduling period (1ms RACH cycle) RACH Preamble Preamble detection and transmission of RA response (Time between the end RACH transmission and UE’s reception of scheduling grant and timing adjustment) UE Processing Delay (decoding of scheduling grant, timing alignment and C-RNTI assignment + L1 encoding of RRC Connection Request) Transmission of RRC and NAS Request Processing delay in eNB (L2 and RRC) Transmission of RRC Connection Set-up (and UL grant) Processing delay in the UE (L2 and RRC) Transmission of RRC Connection Set-up complete Processing delay in eNB (Uu →S1-C) S1-C Transfer delay MME Processing Delay (including UE context retrieval of 10ms) S1-C Transfer delay Processing delay in eNB (S1-C →Uu) Transmission of RRC Security Mode Command and Connection Reconfiguration (+TTI alignment) Time (ms) © 3GPP 2009 Mobile World Congress, Barcelona, 19th 17 Processing delay in UE (L2 and RRC) 16 © 3GPP 2009 Total delay 50 50 www.4gamericas.org February 2011 Page 159 0.5 1 3 5 1 4 1 12 1 4 1.5
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www.4gamericas.org February 2011 Pa
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7.3.1 Home NodeB/eNodeB enhancement
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D.2 TARGET REQUIREMENTS FOR 3GPP LT
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downlink throughput of up to 21 Mbp
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eceivers. Examples of advanced rece
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1 INTRODUCTION Wireless data usage
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2 PROGRESS OF RELEASE 99, RELEASE 5
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HSDPA network in February, followed
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download speeds of up to 8 Mbps aim
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Since around 2005, some research fi
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As operators evolve their networks
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One of key elements of the LTE/SAE
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In 2008, a top vendor unveiled the
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3 PLANS FOR RELEASE 9 AND RELEASE 1
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4 THE GROWING DEMANDS FOR WIRELESS
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to address network congestion issue
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U.S. This represents a 151 percent
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accounted for 12 percent of total r
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various mobile data services have o
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devices to turn them into full-fled
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spectrum for mobile broadband use.
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MME S1-MME S11 eNode IP GW S1-U Fig
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Figure 5.2. Example of Semi-Persist
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ideas for potential technologies an
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6.2 THE 3GPP ROLE Figure 6.1. Progr
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7 STATUS OF RELEASE 10: HSPA+ ENHAN
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Figure 7.2. An Illustration of NxDF
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LTE-Advanced will extend the downli
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complexity but it may also be used
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to in 3GPP. 117 The simulation scen
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To enhance the measurement accuracy
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enables the base station to schedul
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These two advantages are illustrate
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Local IP Access provides access for
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7.3.3 FIXED MOBILE CONVERGENCE ENHA
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PCC, so the 3GPP intends to first a
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The study is concluded in 3GPP Rel-
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The decision to anchor media at the
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7.3.9 IP‐SHORT‐MESSAGE‐GATEWA
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E-UTRA CA Band E-UTRA operating Ban
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optimized proprietary receiver tran
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8.2.1.3 DL COMP In terms of downlin
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8.2.2 CARRIER AGGREGATION Figure 8.
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2-TX antennas Figure 8.5. Uplink Du
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� Subscribed for same or similar
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The mechanism shall properly handle
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8.4.7 FIXED MOBILE CONVERGENCE The
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9 CONCLUSIONS Wireless data usage c
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Communications Research demo lab in
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increases through load balancing an
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support the most heavily loaded and
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Telecom, Telecom Italia, Telefónic
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Motorola’s mobility management en
Page 107 and 108: conducted with the 4G mobile techno
Page 109 and 110: � The industry’s first dual-car
Page 111 and 112: APPENDIX B: UPDATE OF RELEASE 9 STA
Page 113 and 114: that is vital for the operation of
Page 115 and 116: B.2.1.4 PDN GW SELECTION FUNCTION (
Page 117 and 118: The subscribers of participating CM
Page 119 and 120: 3GPP TS 29.168. Cell Broadcast Cent
Page 121 and 122: � Gateway Mobile Location Center
Page 123 and 124: CELL ID METHOD This is the simplest
Page 125 and 126: Figure B.4. 1xRTT CSFB Architecture
Page 127 and 128: In the following outline, the funct
Page 129 and 130: o Includes concurrent 1xRTT and HRP
Page 131 and 132: MBMS GW One or more MBMS GW functio
Page 133 and 134: Figure B.7. Phases of MBMS Broadcas
Page 135 and 136: B.2.6 SELF‐ORGANIZING NETWORKS (S
Page 137 and 138: cross-talk suppression. The downlin
Page 139 and 140: eNodeB solutions. Rel-8 defined the
Page 141 and 142: UE HeNB LTE-Uu C1 (OMA DM /OTA) S1
Page 143 and 144: Server. The latter capability allow
Page 145 and 146: Denoted by � i the number of corr
Page 147 and 148: Table C.2. Cell Edge User Spectral
Page 149 and 150: C.1.7 HANDOVER The handover interru
Page 151 and 152: APPENDIX D: LTE‐ADVANCED AND SELF
Page 153 and 154: 2 Linked work items (list of linked
Page 155 and 156: d) To develop documents that will s
Page 157: Full‐buffer spectrum efficiency E
Page 161 and 162: Cell‐average and Cell‐edge spec
Page 163 and 164: Cell‐average and Cell‐edge spec
Page 165 and 166: Antenna configuration (C) VoIP resu
Page 167 and 168: APPENDIX F: THE ITU‐R IMT‐ADVAN
Page 169 and 170: ITU-R Outside ITU-R Step 1 Circular
Page 171 and 172: APPENDIX G: GLOBAL HSPA & HSPA+ DEP
Page 173 and 174: Africa Réunion SFR Reunion In Serv
Page 175 and 176: Latin America & Caribbean Jamaica C
Page 177 and 178: Asia Pacific Malaysia DiGi (Telenor
Page 179 and 180: Eastern Europe Czech Republic Mobil
Page 181 and 182: Eastern Europe Slovenia T‐2 In De
Page 183 and 184: Western Europe Liechtenstein mobilk
Page 185 and 186: US/Canada Canada Bell Wireless Affi
Page 187 and 188: Latin America Colombia UNE Planned
Page 189 and 190: Eastern Europe Armenia Orange Armen
Page 191 and 192: Western Europe Andorra STA Planned
Page 193 and 194: Middle East Saudi Arabia Etihad Eti
Page 195 and 196: C/I Carrier to Interference Ratio (
Page 197 and 198: FER Frame Erasure Rate FFR Fraction
Page 199 and 200: LI Lawful Intercept LIPA Local Inte
Page 201 and 202: PHICH Physical Hybrid ARQ Indicator
Page 203 and 204: TAU Target Acquisition and tracking
Page 205: ACKNOWLEDGMENTS The mission of 4G A
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DL - 4G Americas

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