NDLI: A MCS Selection Strategy Based on Ordered Modulation for IEEE 802.11n System

Content Provider	IEEE Xplore Digital Library
Author	Yan Wang Danpu Liu
Copyright Year	2011
Abstract	The main application of IEEE 802.11n MIMO-OFDM system focuses on transmitting HD video in WLAN. In this paper, we propose an ordered modulation scheme based on IEEE 802.11n with multiple optional modulation and coding schemes (MCS) to achieve unequal error protection (UEP) for the HD video transmission. In the scheme, the most significant bits (MSB) are mapped into the spatial streams utilizing low-level modulation, while the least significant bits (LSB) are mapped into the streams utilizing high-level modulation. Based on this UEP scheme, we propose a selection strategy to choose the optimal MCS among candidates for a specific data rate, where the MCS with best peak-signal-noise-ratio (PSNR) is selected for HD video transmission. Simulation results show that this UEP scheme and selection strategy can obviously improve the PSNR performance of the received videos.
Starting Page	1
Ending Page	4
File Size	310427
Page Count	4
File Format	PDF
ISBN	9781424462506
ISSN	21619654
e-ISBN	9781424462520
DOI	10.1109/wicom.2011.6040543
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase shift keying PSNR Bit error rate Error correction codes IEEE 802.11n Standard Videos
Content Type	Text
Resource Type	Article

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A MCS Selection Strategy Based on Ordered Modulation for IEEE 802.11n System