A Novel Channel Sensing Method for IEEE802.11n MIMO System

DOI

10.2991/iccasm.2012.267How to use a DOI?

Keywords

MIMO-OFDM, Channel Detection, IEEE802.11n, Carrier Sense, Energy Detection

Abstract

Coexistence and interoperability between 20MHz and 40MHz device and modes of operation are addressed in standard IEEE802.11n system. It is mandate to give the channel state in receiving processing, since for 40MHz device and modes for it should not only fulfill the single 20MHz signal but also 40MHz signal receiver requirement. Both energy detection and carrier sense are employed to detecting channel state. In the case of 20/40M mode, the power difference between the two sub-channels is also detected in order to indicate the channel state accurately. The simulation results demonstrate that the performance of the proposed methods is much better than the methods which just taking the first step above.

Copyright

© 2012, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xiaocheng Yao
AU  - Zhi Fang
AU  - Haifang Jian
AU  - Yin Shi
PY  - 2012/08
DA  - 2012/08
TI  - A Novel Channel Sensing Method for IEEE802.11n MIMO System
BT  - Proceedings of the 2012 International Conference on Computer Application and System Modeling (ICCASM 2012)
PB  - Atlantis Press
SP  - 1052
EP  - 1055
SN  - 1951-6851
UR  - https://doi.org/10.2991/iccasm.2012.267
DO  - 10.2991/iccasm.2012.267
ID  - Yao2012/08
ER  -