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Composite Channel Estimation in MIMO-OFDM system with enhanced spectral efficiency

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3 Author(s)
Bandopadhaya, S. ; Dept. of Electron. & Telecommun., Silicon Inst. of Technol., Bhubaneswar, India ; Kumar, S. ; Roy, J.S.

Pilot Added Channel Estimation (PACE) for Orthogonal Frequency Division Multiplexing (OFDM) in multiple transmitting antennas causes inter-antenna interference. This can be mitigated by the use of null sub-carriers. However the presence of null sub-carriers degrades the spectral efficiency of OFDM system This paper proposes an efficiency enhancing channel estimation method by estimating composite Channel State Information (CSI) for the given receiving antenna.

Published in:

Communications, Devices and Intelligent Systems (CODIS), 2012 International Conference on

Date of Conference:

28-29 Dec. 2012