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rms delay (ns)

Submission Title: [Comparison of RMS Delay Spread Variation in SV Model Realizations and Measured Data] Date Submitted: [November 2002] Revised: [13 November 2002]

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rms delay (ns)

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  1. Submission Title: [Comparison of RMS Delay Spread Variation in SV Model Realizations and Measured Data] Date Submitted: [November 2002] Revised: [13 November 2002] Source: [Marcus Pendergrass, Ph.D.] Company [Time Domain Corp.] Address [Time Domain Corporation, 7057 Old Madison Pike, Hunstville, AL, 35806] Voice [(256) 428-6344], Fax [(256) 922-0387], E-mail [marcus.pendergrass@timedomain.com] Re: [SG3a Channel Model] Abstract: [The SV Channel Model being developed by SG3a produces channel realizations that match a set of measured data well in terms of the mean RMS delay. However, the variance of the RMS delay spread in the SV Model channels is less than the corresponding variance in the measured data. These statistics are compared, and several potential paths of action are presented.] Purpose: [IEEE 802.15.3SGa Channel Model session November 13, 2002] Notice:This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual or organization. The material in this document is subject to change in form and content after further study. The contributor reserves the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. Time Domain Corporation - Marcus Pendergrass

  2. LOS, 0-to-4m TDC Measurements Total power (dB) rms delay (ns) Time Domain Corporation - Marcus Pendergrass

  3. LOS, 0-to-4m SV Model Time Domain Corporation - Marcus Pendergrass

  4. Non-LOS, 0-to-4m TDC Measurements Total power (dB) rms delay (ns) Time Domain Corporation - Marcus Pendergrass

  5. Non-LOS, 0-to-4m SV Model Time Domain Corporation - Marcus Pendergrass

  6. Non-LOS, Over 4m TDC Measurements Total power (dB) rms delay (ns) Time Domain Corporation - Marcus Pendergrass

  7. Non-LOS, Over 4m SV Model Time Domain Corporation - Marcus Pendergrass

  8. Summary/Conclusions • Channel measurements in each of the scenarios (0-4m LOS, 0-4m NLOS, 4-10m NLOS) show a wide variation in RMS delay spread. • Less variation displayed by SV Model realizations in each of the corresponding cases. • Options • adjust SV Model to reproduce RMS delay spread variance in each of the scenarios. • Supplement SV Model channel realizations with CIRs taken from measurement data available to SG3a. • Leave model as it is. • Conclusion: inclusion of CM4 in the SG3a channel model is crucial. • Recommendation: leave model as is. Time Domain Corporation - Marcus Pendergrass

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