[PDF] Top 20 Joint Source-Channel Coding for Image Transmission over Underlay Multichannel Cognitive Radio Networks

... wireless networks for multimedia transmissions as means to dynamically access the radio spectrum while operating with the best possible throughput ...images over a lossy multichan- nel CR network ... See full document

... neural networks, joint source- channel coding, wireless image ...wireless image communication systems employ a two-step encoding process, which combines a source ... See full document

... the channel gain. Now the option of adapting to the channel gain will be ...the channel at all times, will remove the crossing of the B and NB curves, as seen in Figure ...different ... See full document

... efficient coding and modulation techniques in ...existing channel codes [12], [13], blind channel equalization [14], learning physical layer signal representation for SISO [11] and MIMO [15] systems, ... See full document

... Number of QL 10 15 30 10 15 30 Proposed 0.63 1.05 2.59 37.11 37.59 37.68 Lagrangian 1.02 1.51 2.06 37.08 37.61 37.73 Lagrangian method. The reason is that the number of quality layers in our setup is limited, and our ... See full document

... (2D) Joint Source Channel Coding (JSCC) system assisted with parameter estimation for 2D image transmission over an Additive White Gaussian Noise (AWGN) channel and ... See full document

... in Joint Source/Channel coding and decoding, we consider the decoding problem of Arithmetic Codes ...the source-symbol sequence and the compressed bit-stream ...of transmission ... See full document

... the joint source-relay beamforming design for the three-node MIMO DF relay network with source-destination direct ...the source and relay nodes are equipped with multiple antennas while the ... See full document

... Amin Zribi (Eng., Dr., IEEE Senior Member) received the Engineering degree in Telecommunications in 2005, and the M.Sc degree in Communication Systems in 2006, both from National Engineering School of Tunis, Tunisia. In ... See full document

... proposed joint channel and power allocation for cognitive radio system in the presence of physical layer network coding provides better improved throughput performance compared to the ... See full document

... AF cognitive cooperative network by considering a single primary user and over Nakagami-m fading ...cellular networks using an opportunistic secondary user selection that causes the lowest ... See full document

... proposed cognitive engine with the capability for full AMC mode estimation at the nearest primary link, but it makes a limited use of this capability by making the SU choose the maximum transmit power value that ... See full document

... i=1 ln(R i ) (7) The max–min fairness criteria makes perfect fairness for all secondary links. However, the link with the worst channel condition limits the transmission rate of all sec- ondary links. ... See full document

... communication networks with the hardware ...relay networks over Nakagami-m fading channels in presence of the hardware ...Multi-Hop Transmission Protocol (CMT), a secondary source sends ... See full document

... of channel estimation and its impact on downlink trans- missions in an underlay cognitive radio ...and cognitive base stations, each equipped with multiple antennas and serving multiple ... See full document

... Nested turbo codes : We address practical dirty-paper code design based on nested lattice codes and propose a nested turbo construction using soft-output TCQ (SOTCQ) for source coding an[r] ... See full document

... performance over the most scenarios that were considered, which reflects the fact that AJ is an effective way for combating the detrimental effects of passive ... See full document

... the source signal variance as σ x 2 , the SDR is calculated as SDR = σ x 2 ...multidimensional source space depends on the parameter δ that determines the separation between spiral ...SNR over a wide ... See full document

... Although PS is easy to implement, it is not efficient. Furthermore, the access strategy, which allows SU access only one channel in each slot, is also not efficient for multi-channel network. In [7,8], the ... See full document

... limited transmission bandwidth, compression is necessary in order to serve the highest possible number of ...the transmission very sensitive to errors or packet losses, which can very eas- ily decrease the ... See full document