Title :
A MIMO SFBC OFDM scheme for transmission of watermarked medical images over frequency-selective fading channels
Author :
Korrai, P.K. ; Swamy, M.N.S. ; Rao, K. Deergha
Author_Institution :
ECE Dept., Concordia Univ., Montreal, QC, Canada
Abstract :
Digital watermarking is a technique adapted to embed patient information as watermark with medical images to reduce storage and transmission overheads. A multiple-input multiple-output (MIMO) transmission scheme in which multiple antennas are used in both transmitter and receiver has emerged as one of the most significant technical breakthroughs in modern wireless communications. This paper presents a MIMO SFBC OFDM scheme for transmission of watermarked medical images over frequency-selective fading channels and its performance is analyzed in comparison with SISO-OFDM using MMSE V-BLAST based detection at the receiver. The efficacy of the proposed scheme is illustrated with implementation results on two watermarked medical images.
Keywords :
MIMO communication; OFDM modulation; antenna arrays; fading channels; image watermarking; least mean squares methods; medical image processing; radio receivers; radio transmitters; MIMO SFBC OFDM scheme; MMSE; SISO-OFDM; V-BLAST based detection; digital watermarking; frequency-selective fading channel; multiple antenna; multiple-input multiple-output transmission scheme; receiver; transmitter; watermarked medical image transmission; Biomedical imaging; Cryptography; Fading; Image restoration; MIMO; OFDM; Watermarking; LDPC codes; MIMO; OFDM; RS Codes; SFBC; encryption; frequency-selective fading; medical image watermarking; spatial domain;
Conference_Titel :
Microelectronics and Electronics (PrimeAsia), 2013 IEEE Asia Pacific Conference on Postgraduate Research in
Conference_Location :
Visakhapatnam
Print_ISBN :
978-1-4799-2750-0
DOI :
10.1109/PrimeAsia.2013.6731212
