[PDF] Top 20 Generalized Punctured Convolutional Codes with Unequal Error Protection

... When considering the minimal trellis complexity TC( M) in the search criterion several codes which are not listed in the literature can be found. That is because when considering the typical encoder memory order ... See full document

... bit error ratio (BER) may lead to perceptually unacceptable ...catastrophic error prop- agation, the most sensitive bits have to be well protected from channel ...system Unequal Error ... See full document

... irregular convolutional codes (IRCCs) and proposed several design ...of convolutional codes having different code rates and were specifically designed with the aid of extrinsic information ... See full document

... Unequal error protection (UEP) codes provide a selective level of protection for different blocks of the information ...namely generalized Chase-2 and weighted erasure decoding, ... See full document

... losses, error mitigation measures must be incorporated. Forward Error Correction (FEC) is the favored approach as retrans- missions in broadcasting applications are usually counter-productive [1], ...FEC ... See full document

... bit error sensitivity investigations were performed in the same way, as described in the previous ...the error sensitivity of the various bits of the MPEG-4 TwinVQ codec for a bitrate of 32 ...an ... See full document

... providing unequal error protection both in the spatial domain (via space-time coding or spatial multiplexing) and in the time domain (via punctured convolutional codes or block ... See full document

... rate-compatible punctured turbo code (RCPTC) ...to codes that improve over previous ones, both in the maximum-likelihood sense (using transfer function bounds) and in the iterative decoding sense (through ... See full document

... of convolutional code [14]. Convolutional codes are core constituent for turbo coding and can be treated using both the multirate analysis because of their con- volution property and the finite state ... See full document

... Under a number of idealistic conditions Shannon’s source and channel coding separation theorem [1] has shown that source and channel coding may be carried out separately. This has resulted in primarily independent ... See full document

... many error resilience tools have been incorporated into the MPEG-4 video compression ...the unequal error protection (UEP) technique has been proposed to protect the different parts in an ... See full document

... provide unequal protection depending on the transmission scheme we ...the protection level by adaptively changing the code rate through ...for punctured convolutional codes [1], ... See full document

... There are two options for reduction of decoding complexity. The first option is an adaptive decoding approach, which is based on analyzing the syndrome sequence and turning off the decoder in error-free periods. A ... See full document

... Concatenated codes are the ideal choice for such deep space ...concatenated convolutional code structure and selects the suitable candidate for our future deep space ... See full document

... Compatible Punctured Convolution (RCPC) channel coder is used for transmission of coded image over wireless channels (AWGN and Rayleigh ...based Unequal error Protection (UEP) applied to bit ... See full document

... In Figure 3.3, note that along the iterative trajectory there is a section which forms a narrow channel through which the trajectory progresses in small steps. This area is the interference limitation. An increase in the ... See full document

... higher probabilities of unrecoverable bit errors and packet loss. However, a smaller packet has a higher header over- head. In the context of streaming video, a lossy channel ex- acerbates the problem if the packet size ... See full document

... the unequal recovery time (URT) property enables the central point to decode user layers sequentially over time, starting from the BL onwards [18]. Thus the central point is able to produce encoded packets as soon ... See full document

... larger error correction, modular encoding and decoding architecture which causes efficient hardware ...that error detection is carried out in a simple way, using parity check ... See full document

... In recent years, with the rapid development of computer network communication technology and computer network communication technology and multimedia technology, digital watermarking as an important branch of information ... See full document