NDLI: Pilot assisted channel estimation in MIMO-STBC systems over time-varying fading channels

Content Provider	IEEE Xplore Digital Library
Author	Ben Slimane, E. Jarboui, S. Ben Mabrouk, Z. Bouallegue, A.
Copyright Year	2014
Description	Author affiliation: Lab. of Commun. Syst., ENIT, Tunis, Tunisia (Ben Slimane, E.; Ben Mabrouk, Z.; Bouallegue, A.) \|\| Coll. of Comput. Sci., King Khalid Univ., Abha, Saudi Arabia (Jarboui, S.)
Abstract	In this paper, challenges regarding the provision of channel state information (CSI) in multiple-input multiple-output (MIMO) systems based on space time block codes (STBC) over slow time-varying Rayleigh fading channels are addressed. We develop a novel MIMO channel estimation algorithm that adopts a pilot symbol assisted modulation (PSAM) which has been proven to be effective for fading channels. In this approach, pilot symbols are periodically inserted into the data stream that is sent through the orthogonal STBC encoder. At the receiver, we propose a straightforward MIMO channel estimation method before being used by STBC decoder. Simulation results indicate that the proposed pilot-assisted MIMO concept provides accurate channel estimates. The impact of Doppler frequency on performance scheme is also investigated by simulation.
Sponsorship	IEEE Inf. Theory Soc.
Starting Page	119
Ending Page	124
File Size	1722743
Page Count	6
File Format	PDF
ISBN	9783901882630
DOI	10.1109/WIOPT.2014.6850288
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-12
Publisher Place	Tunisia
Access Restriction	Subscribed
Rights Holder	IFIP
Subject Keyword	Fading pilot symbol assisted modulation MIMO system Transmitting antennas STBC codes
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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