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Mobile and Wireless Communications for IMT-Advanced and Beyond by Werner Mohr, Jose F. Monserrat, Afif Osseiran

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Appendix E

LTE-Advanced Analytical Performance and Peak Spectral Efficiency

E.1 Analytical and Inspection Performance Assessment by WINNER+

The WINNER+ evaluation group addressed all evaluation characteristics for the 3GPP LTE (Rel-10) and Beyond (LTE-Advanced) proposal assessment. This includes characteristics to be evaluated by means of analytical methods and by inspection. The results of these evaluations are summarized below.

E.1.1 Analytical Evaluation

Peak Spectral Efficiency

The Peak Spectral Efficiency (PSE) is defined in ITU-R (2008). It is basically the highest theoretical data rate normalized by bandwidth assignable to a single mobile station assuming error-free conditions. The WINNER+ Independent Evaluation Group (IEG) evaluated PSE for LTE-Advanced (LTE-A) Frequency Division Duplex (FDD) mode and Time Division Duplex (TDD) mode in Uplink (UL) and Downlink (DL). The evaluation configuration parameters provided in ITU-R (2009) with up to 4 Rx and 4 Tx antennas at the base station and up to 4 Rx and 2 Tx antennas at the mobile station were used. Configurations with up to eight antennas were also investigated for information purposes. The exact calculation is detailed out in section E.2. The FDD Radio Interface Technology (RIT) with a DL/UL PSE of 16.3/8.4 bps/Hz as well as the TDD RIT with a DL/UL PSE of 15.8/7.9 bps/Hz beat the requirement of 15/6.75 bps/Hz. Therefore both RITs clearly fulfill the PSE requirement.

Control Plane Latency

The idle-to-connected state transition ...

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