802.11 Error Rate
Contents |
Examples Examples Home MATLAB Family Signal Processing and Communications WLAN System Toolbox End to End Simulation By MathWorks Explore: WLAN System packet error rate formula Toolbox Open View Code View in: Documentation 802.11p and 802.11a Packet Error
Packet Error Rate Wifi
Rate Simulations This example shows how to measure packet error rates of IEEE® 802.11p™ and 802.11a™ links
Packet Error Rate Vs Bit Error Rate
using an end-to-end simulation with a fading channel model and additive white Gaussian noise. For similar link parameters, the two links are simulated alongside to offer a comparative
Packet Loss Rate Definition
perspective using the packet error rate as the figure of merit. The comparison highlights the robustness of the 802.11p link when compared with the 802.11a link. Contents Introduction Waveform Configuration Channel Configuration Simulation Parameters Simulation Setup Processing SNR Points Conclusion Further Exploration Appendix Selected Bibliography Introduction IEEE 802.11p [ 2 ] is an approved amendment to packet error rate calculator the IEEE 802.11 standard to enable support for wireless access in vehicular environments (WAVE). Using the half-clocked mode with a 10 MHz channel bandwidth, it operates at the 5.85-5.925 GHz bands to support applications for Intelligent Transportation Systems (ITS) [ 3 ]. In this example an end-to-end simulation is used to determine the packet error rates for 802.11p [ 2 ] and 802.11a [ 1 ] links with a fading channel at a selection of SNR points. For each SNR point multiple packets are transmitted through a fading channel, demodulated and the PSDUs recovered. The PSDUs are compared to those transmitted to determine the number of packet errors. Front-end components including packet detection, timing synchronization, carrier frequency offset correction and phase tracking are optionally enabled for the receiver. A schematic for the per-link processing is shown below. Waveform Configuration Non-HT format transmissions are simulated in this example. For 802.11p, a 10 MHz channel bandwidth is used while for 802.11a a 20 MHz channel bandwidth is used. The t
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