The analysis of IEEE 802.11 PCF protocol based on LEO satellite Wi-Fi-Reference-Cited by-同舟云学术

The analysis of IEEE 802.11 PCF protocol based on LEO satellite Wi-Fi

Published:2018 Issue: Volume:189 Page:04014
ISSN:2261-236X
Container-title:MATEC Web of Conferences
language:
Short-container-title:MATEC Web Conf.

Author:

He Wen,Tao Xiaofeng,Ren Defeng

Abstract

In view of the problem of long propagation delay, hidden terminals and serious user conflicts in LEO satellite Wi-Fi scenario, this paper analysis the incompatibility of 802.11 DCF protocol briefly. A scheme of PCF polling mechanism based on priority is proposed and the frame format is adaptively modified. Through MATLAB simulation, the system throughput of the original scheme and the improvement scheme over the different transmission distance and nodes are analysed. The simulation results show that the improved PCF protocol can improve the throughput under the multi-user over long distances.

Publisher

EDP Sciences

Subject

General Medicine

Link

https://www.matec-conferences.org/10.1051/matecconf/201818904014/pdf

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