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Vol. 152, No. 5, May 2013, pp. 122-128

 

Bullet

 

Joint Source-Channel Coding for Underwater Image Transmission
 
1 CHEN Hua-Bin, 1 CHEN Wei-Ling, 2 Li Ye, 1 CHENG En, 1* YUAN Fei

1 Key Laboratory of Underwater Acoustic Communication and Marine Information Technology

of the Ministry of Education (Xiamen University), Xiamen, 361005, P. R. China

2 Key Laboratory of Computer Network of Shandong Province, Shandong Computer Science Center, Jinan, 250014, P. R. China

* Tel.: 086-0592-2580143

* E-mail: yuanfei@xmu.edu.cn

 

Received: 8 April 2013   /Accepted: 15 May 2013   /Published: 27 May 2013

Digital Sensors and Sensor Sysstems

 

Abstract: Underwater acoustic (UWA) channel is a complex time-, space- and frequency-variant channel. So to realize the high efficiency and real-time transmission of image with great data quantity, it will refer to both source coding and channel coding. In underwater acoustic channel, the Joint Source and Channel Coding (JSCC) get better performance than separated coding. To aim at the image transmission in UWA communication system, this paper presents joint source and channel coding approach, putting forth the technology of joint source and channel coding in image transmission in the underwater acoustic channel. And it is an active attempt that the joint source and channel coding combines with OFDM technology to insure image transmission with high quality in underwater acoustic channel. Studies also show that the method can get better balance between bit error rate and code length, and the image can get better anti-noise property.

 

Keywords: Image transmission, Underwater acoustic, Joint source-channel coding

 

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