Title :
Channel estimation using RF signal processor based on OFDM system
Author :
Sarker, Abdul Latif ; Lee, Moon Ho
Author_Institution :
Div. of Electron. Eng., Chonbuk Nat. Univ., Jeonju, South Korea
Abstract :
In this paper, we present a channel estimation using radio frequency (RF) signal processor for orthogonal frequency division multiplexing (OFDM) system. We have evaluated the channel impulse response on OFDM symbols and easily estimated the multiple-input-multiple-output-orthogonal frequency division multiplexing (MIMO-OFDM) channel using an RF baseband signal processor and minimum mean square error (MMSE) detector. This paper inquire about the single input single output orthogonal frequency division multiplexing (SISO-OFDM) and extend to a MIMO-OFDM system to improve the bit-error-rate (BER) performance without enhancing the number of RF front-end elements in the receiver.
Keywords :
MIMO communication; OFDM modulation; channel estimation; error statistics; least mean squares methods; radiofrequency integrated circuits; signal detection; transient response; BER performance; MIMO-OFDM channel; MMSE detector; RF baseband signal processor; RF front-end elements; SISO-OFDM system; bit-error-rate performance; channel estimation; channel impulse response; minimum mean square error detector; multiple-input-multiple-output-orthogonal frequency division multiplexing channel; orthogonal frequency division multiplexing system; radiofrequency signal processor; receiver; single input single output orthogonal frequency division multiplexing system; Bit error rate; Channel estimation; Detectors; MIMO; OFDM; Quadrature amplitude modulation; Receivers; System model for SISO-OFDM; guard interval (GI) in OFDM system; the channel estimation for SISO-OFDM and MIMO-OFDM using MMSE detector;
Conference_Titel :
Wireless and Mobile Computing, Networking and Communications (WiMob), 2012 IEEE 8th International Conference on
Conference_Location :
Barcelona
Print_ISBN :
978-1-4673-1429-9
DOI :
10.1109/WiMOB.2012.6379125
