NDLI: Pilot Frequency Nulling based Channel Estimation for Multiple QR-Decompositions with Transposed Channel Matrix SDM/OFDM

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Pilot Frequency Nulling based Channel Estimation for Multiple QR-Decompositions with Transposed Channel Matrix SDM/OFDM

Content Provider	IEEE Xplore Digital Library
Author	Chang-Jun Ahn Taromaru, M.
Copyright Year	2006
Description	Author affiliation: ATR Wave Eng. Lab., Kyoto (Chang-Jun Ahn; Taromaru, M.)
Abstract	In MIMO systems, MLD/SDM provides the best BER performance. However, the complexity of MLD increases exponentially according to the modulation level and number of transmit antenna branches. Moreover, the preamble structure is also a serious problem. With increasing the number of transmit antenna branches, more pilot symbol is required to estimate the accurate channel state information (CSI). In this case, the effective transmission rate is degraded and a different packet structure is also required. To reduce these problems, in this paper, we propose the pilot frequency nulling based channel estimation scheme for multiple QR-decompositions with transposed channel matrix SDM/OFDM
Starting Page	636
Ending Page	640
File Size	281207
Page Count	5
File Format	PDF
ISBN	1424400678
DOI	10.1109/ITW2.2006.323712
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-22
Publisher Place	Uruguay
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Transmitting antennas Radio transmitters Channel estimation Receiving antennas Bandwidth Antennas and propagation Frequency estimation MIMO Channel state information
Content Type	Text
Resource Type	Article

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