Progressive Transmission of Images Over Fading Channels Using Rate-Compatible LDPC Codes

@article{citeulike:2439443, abstract = {In this paper, we propose a combined source/channel coding scheme for transmission of images over fading channels. The proposed scheme employs rate-compatible low-density parity-check codes along with embedded image coders such as JPEG2000 and set partitioning in hierarchical trees (SPIHT). The assignment of channel coding rates to source packets is performed by a fast trellis-based algorithm. We examine the performance of the proposed scheme over correlated and uncorrelated Rayleigh flat-fading channels with and without side information. Simulation results for the expected peak signal-to-noise ratio of reconstructed images, which are within 1 dB of the capacity upper bound over a wide range of channel signal-to-noise ratios, show considerable improvement compared to existing results under similar conditions. We also study the sensitivity of the proposed scheme in the presence of channel estimation error at the transmitter and demonstrate that under most conditions our scheme is more robust compared to existing schemes}, author = {Pan, Xiang and Banihashemi, Amir H. and Cuhadar, Aysegul }, booktitle = {Image Processing, IEEE Transactions on}, citeulike-article-id = {2439443}, doi = {10.1109/TIP.2006.882030}, journal = {IEEE Transactions on Image Processing}, keywords = {algorithm, channel, channels, check, coders, codes, coding, combined, communication, embedded, error, estimation, fading, flat-fading, image, images, joint, ldpc, low-density, parity, parity-check, progressive, protection, rate-allocation, rate-compatible, rayleigh, reconstruction, scheme, sourcechannel, source-channel, transmission, transmitter, trellis, trellis-based, unequal, visual}, month = {December}, number = {12}, pages = {3627--3635}, posted-at = {2008-02-28 02:38:02}, priority = {2}, title = {Progressive Transmission of Images Over Fading Channels Using Rate-Compatible LDPC Codes}, url = {http://dx.doi.org/10.1109/TIP.2006.882030}, volume = {15}, year = {2006} }

TY - JOUR ID - citeulike:2439443 L3 - citeulike-article-id:2439443 TI - Progressive Transmission of Images Over Fading Channels Using Rate-Compatible LDPC Codes T2 - Image Processing, IEEE Transactions on JF - IEEE Transactions on Image Processing VL - 15 IS - 12 SP - 3627 EP - 3635 N2 - In this paper, we propose a combined source/channel coding scheme for transmission of images over fading channels. The proposed scheme employs rate-compatible low-density parity-check codes along with embedded image coders such as JPEG2000 and set partitioning in hierarchical trees (SPIHT). The assignment of channel coding rates to source packets is performed by a fast trellis-based algorithm. We examine the performance of the proposed scheme over correlated and uncorrelated Rayleigh flat-fading channels with and without side information. Simulation results for the expected peak signal-to-noise ratio of reconstructed images, which are within 1 dB of the capacity upper bound over a wide range of channel signal-to-noise ratios, show considerable improvement compared to existing results under similar conditions. We also study the sensitivity of the proposed scheme in the presence of channel estimation error at the transmitter and demonstrate that under most conditions our scheme is more robust compared to existing schemes KW - algorithm KW - channel KW - channels KW - check KW - coders KW - codes KW - coding KW - combined KW - communication KW - embedded KW - error KW - estimation KW - fading KW - flat-fading KW - image KW - images KW - joint KW - ldpc KW - low-density KW - parity KW - parity-check KW - progressive KW - protection KW - rate-allocation KW - rate-compatible KW - rayleigh KW - reconstruction KW - scheme KW - sourcechannel KW - source-channel KW - transmission KW - transmitter KW - trellis KW - trellis-based KW - unequal KW - visual AU - Pan, Xiang AU - Banihashemi, Amir AU - Cuhadar, Aysegul PY - 2006/12// UR - http://dx.doi.org/10.1109/TIP.2006.882030 ER -