NDLI: Adaptive aperture aided multi-antenna framework for high data rate wireless channels

Content Provider	IEEE Xplore Digital Library
Author	Kashyap, P.A. Sarma, K.K.
Copyright Year	2013
Description	Author affiliation: Dept. of Electron. & Commun. Eng., Tezpur Univ., Tezpur, India (Kashyap, P.A.) \|\| Dept. of Electron. & Commun. Technol., Gauhati Univ., Guwahati, India (Sarma, K.K.)
Abstract	Multi-antenna systems combined with the orthogonal frequency division multiplexing (OFDM) modulation technique can achieve reliable high data rate transmission over wireless channels. This paper proposes a self adaptive technique to eliminate severe fading effects in different multi antenna set-ups by adaptively updating the effective aperture of the transmitting antenna. The system changes the effective aperture of the transmitting antenna in time varying Rayleigh channels to adapt to a previously set system parameter. We consider here OFDM based single input-single output (SISO), single input-multi output (SIMO), multi input-single output (MISO), and multi input-multi output (MIMO) system with binary phase shift keying (BPSK). Finally, the system performance is analyzed for the different set-ups in terms of Bit error rate (BER). Here, two approaches are considered. Firstly BER vs. signal-to-noise ratio (SNR) result is analyzed and secondly the BER is improved by adaptively updating the effective aperture as per the requirement of the system. We will see that our results show significant performance improvement.
Sponsorship	IEEE Kolkata Sect.
Starting Page	78
Ending Page	85
File Size	1764881
Page Count	8
File Format	PDF
ISBN	9781467352499
e-ISBN	9781467352505
DOI	10.1109/ICETACS.2013.6691400
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-13
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading OFDM Rayleigh slow flat fading Bit error rate Transmitting antennas Receivers Rayleigh slow frequency selective fading Orthogonal frequency division multiplexing Aperture antennas Effective aperture Communication
Content Type	Text
Resource Type	Article

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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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