IEEE 802.19 Inter-Vehicle Interference Measurement Results September 2016
Explore the impact of adjacent vehicles with WLAN links on throughput via detailed measurements conducted in September 2016. The document by Igal Kotzer from General Motors covers physical setup, testing procedure, and throughput impact measurements for both 2.4GHz and 5GHz frequencies. Gain insights into interference effects on data transmission rates and the significance of internal WLAN links in vehicles.
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Presentation Transcript
September 2016 doc.: IEEE 802.19-16/0157r0 On The Inter Vehicle Interference Measurement Results Date: 14/9/2016 Authors: Name Affiliations Address Phone email Igal Kotzer General Motors Igal.kotzer@gm.com Notice: This document has been prepared to assist IEEE 802.19. 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. Submission Slide 1 Igal Kotzer, General Motors
September 2016 doc.: IEEE 802.19-16/0157r0 Purpose Demonstrate via measurements the impact on throughput that adjacent vehicles, each having one internal WLAN link have on each other Submission Slide 2 Igal Kotzer, General Motors
September 2016 doc.: IEEE 802.19-16/0157r0 Physical setup Unde r test Int2 Int1 Submission Slide 3 Igal Kotzer, General Motors
September 2016 doc.: IEEE 802.19-16/0157r0 Testing Procedure A WLAN link was established inside the vehicle under test Interfering links were established inside the interfering vehicles, int1 and int2 The data transmitted over the 3 links was generated using TCP packets Each link inside a vehicle consisted of an AP and one STA The average link rate was measured over 30 seconds The measurements were conducted on both 2.4GHz and 5GHz At 2.4GHz, channel 6 was used (20MHz) At 5GHz, channels 44+48 were used (40MHz) No other WLAN APs, STAs or links were present Submission Slide 4 Igal Kotzer, General Motors
September 2016 doc.: IEEE 802.19-16/0157r0 Throughput Impact Measurements No interferers 1 interferer 2 interferers 2.4GHz 5GHz 65.7 Mbit/sec 138 Mbit/sec 19.8 Mbit/sec 74 Mbit/sec 8.47 Mbit/sec 57.5 Mbit/sec Submission Slide 5 Igal Kotzer, General Motors
