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

Author

Bandopadhaya, Shuvabrata ; Kumar, Sudhakar ; Roy, Jibendu Sekhar

Author_Institution

Dept. of Electron. & Telecommun., Silicon Inst. of Technol., Bhubaneswar, India

fYear

2012

fDate

28-29 Dec. 2012

Firstpage

57

Lastpage

60

Abstract

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.

Keywords

MIMO communication; OFDM modulation; channel estimation; interference (signal); receiving antennas; transmitting antennas; wireless channels; MIMO-OFDM system; composite channel estimation; composite channel state information; efficiency enhancing channel estimation method; enhanced spectral efficiency; inter-antenna interference; multiple transmitting antennas; null sub-carriers; orthogonal frequency division multiplexing; pilot added channel estimation; receiving antenna; Decision support systems; Intelligent systems; Orthogonal Frequency Division Multiplexing (OFDM); Pilot Added Channel Estimation (PACE); composite channel estimation; null sub-carriers; spectral efficiency;

fLanguage

English

Publisher

ieee

Conference_Titel

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

Conference_Location

Kolkata

Print_ISBN

978-1-4673-4699-3

Type

conf

DOI

10.1109/CODIS.2012.6422135

Filename

6422135