Channel Response Modeling and Clustering Proposal for WPANs
Discover the measured channel response examples and proposed channel modeling approach for IEEE 802.15-15-0398-00-003e. The document showcases reflections, power delay profiles, and proposed cluster models based on transmission distances. Explore the LOS and inter-device reflections within the proposed model to enhance understanding and implementation of Wireless Personal Area Networks.
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May 2015 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) doc.: IEEE 802.15-15-0398-00-003e Submission Title: Measured channel examples and modeling Date Submitted: 12 May, 2015 Source: Ken Hiraga, Andrew Estrada, Ichiro Seto, Itaru Maekawa Company: NTT , Sony, Toshiba, JRC Address: Hirarinooka 1-1, Yokosuka Japan Voice:+81-46-859-3474, FAX: +81-46-855-1497, E-Mail: hiraga.ken@lab.ntt.co.jp Re: [] Abstract: This contribution shows measured channel response examples. Purpose: To propose the channel modeling for 15.3e. 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(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) 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. Submission Slide 1 Ken Hiraga (NTT)
May 2015 doc.: IEEE 802.15-15-0398-00-003e Inter-device reflections Inter-device reflections depends on transmission distance Transmission route of 1 round trip : [Tx] reflected on Rx Reflected on Tx [Rx], its length is around 3*D excess delay, , is about 2*D/c. (c = 3*108 [m/sec]) Transmission distance, D Submission Slide 2 Ken Hiraga (NTT)
May 2015 doc.: IEEE 802.15-15-0398-00-003e Measured channel response examples 0.1 nec = 30 mm propagation = round trip of 15 mm 0 power delay profile [dB] Transmission distance, D LOS 30-50mm 50-70mm 70-90mm 1-round trip dependent of transmission distance -10 -20 indepen dent -30 -40 independent of transmission distance -50 -60 -0.5 0 0.5 1 1.5 2 [nsec] Typical usage whose transmission distance is 30-90mm, 1 cluster is observed. Submission Slide 3 Ken Hiraga (NTT)
May 2015 doc.: IEEE 802.15-15-0398-00-003e Proposed model having observed the channel response above, we propose 2 cluster model. |h| [dB] 1 K Initial decay 0 This cluster is Rayleigh distribution 0 1 2 Excess delay, [samples] Submission Slide 4 Ken Hiraga (NTT)
May 2015 doc.: IEEE 802.15-15-0398-00-003e Proposed model Comprises 2 clusters cluster #1: LOS + intra-device reflections cluster #2: Inter-device reflections Tx -> [refl. @Rx] -> [refl. @Tx] -> Rx Arrival time for the inter-device cluster is deterministic by the transmission distance This includes inter-device reflection in the opposed device. Submission Slide 5 Ken Hiraga (NTT)
