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TGn Channel Model Special Committee Report 11 November 2003

This report by Colin Lanzl from Aware, Inc. discusses the revised TGn channel models, including K-factors, Doppler power spectrum modeling, and the addition of a stadium model. Validations and solutions for various concerns are provided.

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TGn Channel Model Special Committee Report 11 November 2003

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  1. TGn Channel Model Special Committee Report 11 November 2003 Colin Lanzl Aware, Inc. 40 Middlesex Turnpike, Bedford MA 01730 +1-781-687-0578 clanzl@aware.com Colin Lanzl, Aware, Inc.

  2. Teleconferences • 23 October 2003 • K-factors • Doppler Power Spectrum modeling • Discussion of simulation methodology • 6 November 2003 • K-factors • Doppler Power Spectrum modeling • Fluorescent Light modeling • Stadium Modeling Colin Lanzl, Aware, Inc.

  3. Documents • 11-03-0817-01-000n-TGn_CMSC_Cumulative_Minutes.doc • 11-03-0846-00-000n-DPMPR_RMS_Delay_Measurements.ppt • 11-03-0839-00-000n-Bell-Spike-Doppler-Shape.ppt • 11-03--0836-01-000n-Proposed_K-factors_Channel_Models.doc • 11-03-0838-00-000n-Validation_TGn_Channel_Models.ppt • 03/161r3 TGn-Indoor_MIMO_WLAN_Channel_Models.doc • 11-03-0xxx-00-000n-TGn-Channel-Model-Report-11Nov03.ppt (this document) Colin Lanzl, Aware, Inc.

  4. K-factors • Primary Concerns: • K-factors for model B questioned • Lack of LOS components in hot-spots • Solution: • Provided both LOS and NLOS components for all mandatory usage model environments • Provided linkage between environments and which LOS/NLOS combinations to use • Provided onset of NLOS modes Colin Lanzl, Aware, Inc.

  5. Doppler Spectrum Model • Concerns: • Better mathematical model needed • Lack of physical meaning to model • No coupling between velocity and spike freq. offset • Poor modeling of spike bandwidth • Poor modeling of spike magnitude Colin Lanzl, Aware, Inc.

  6. Doppler Spectrum Model • Solution: • Revised equation provided • Linkage of vehicle velocity to spike location provided • Spike bandwidth determined • Spike magnitude relative to bell-shape maximum determined Colin Lanzl, Aware, Inc.

  7. Stadium Model • Added model for large outdoor stadium • Based on data from Moraitis et. al. • Provides delay spread and cluster model Colin Lanzl, Aware, Inc.

  8. Validation • 03/846 • 03/838 • 03/xxx (Vinko’s data) Colin Lanzl, Aware, Inc.

  9. Summary • Revised channel models now provide both LOS and NLOS components for all mandatory usage model environments • Revised channel model Doppler power spectrum now makes physical sense • Fluorescent light channel modulation effect now modeled • Stadium model added • Validations available Colin Lanzl, Aware, Inc.

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