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UMTS: Alive and Well - 4G Americas

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Cell-average <strong>and</strong> Cell-edge spectrum efficiencyIndoor environment (Downlink)• LTE Rel. 8 with SU-MIMO 4x2 (even with maximum DL control overhead (L = 3)) fulfillsITU-R requirements• Further improved performance can be achieved by using additional technology features(e.g., MU-MIMO 4x2)Downlink spectral efficiency (FDD), InHScheme <strong>and</strong>antennaconfigurationITU-RRequirement(Ave./Edge)Number ofsamplesCell average [b/s/Hz/cell]L=1 L=2 L=3Cell edge [b/s/Hz]L=1 L=2 L=3Rel. 8 SU-MIMO4 x 2 (A)3 / 0.1154.84.54.10.230.210.19MU-MIMO 4 x 2 (C)3 / 0.136.66.15.50.260.240.22Downlink spectral efficiency (TDD), InHScheme <strong>and</strong>antennaconfigurationITU-RRequirement(Ave./Edge)NumberofsamplesCell average [b/s/Hz/cell]L=1 L=2 L=3Cell edge [b/s/Hz]L=1 L=2 L=3Rel. 8 SU-MIMO4 x 2 (A)3 / 0.1104.74.44.10.220.200.19MU-MIMO 4 x 2 (C)3 / 0.146.76.15.60.240.220.20© 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP 2009 52Cell-average <strong>and</strong> Cell-edge spectrum efficiencyIndoor environment (Uplink)• LTE Rel. 8 with SIMO 1x4 fulfills ITU-R requirements• Further improved performance can be achieved by using additional technology features(e.g., LTE Rel. 8 MU-MIMO 1x4, SU-MIMO 2x4)Scheme <strong>and</strong> antennaconfigurationRel. 8 SIMO 1x4 (A)Rel. 8 SIMO 1x4 (C)Rel. 8 MU-MIMO 1x4 (A)SU-MIMO 2 x 4 (A)Scheme <strong>and</strong> antennaconfigurationRel. 8 SIMO 1x4 (A)Rel. 8 SIMO 1x4 (C)Rel. 8 MU-MIMO 1x4 (A)SU-MIMO 2 x 4 (A)Uplink spectral efficiency (FDD), InHITU-RRequirement(Ave./Edge)2.25 / 0.072.25 / 0.072.25 / 0.072.25 / 0.07Number ofsamples© 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009© 3GPP 2009 531310Uplink spectral efficiency (TDD), InHITU-RRequirement(Ave./Edge)2.25 / 0.072.25 / 0.072.25 / 0.072.25 / 0.0725Number ofsamples9722Cell average[b/s/Hz/cell]3.33.35.84.3Cell average[b/s/Hz/cell]3.13.15.53.9Cell edge[b/s/Hz]0.230.240.420.25Cell edge[b/s/Hz]0.220.230.390.25www.3G<strong>Americas</strong>.org February 2010 Page 224

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