[PDF] Top 20 Optimization of irregular mapping for error floor removed bit interleaved coded modulation with iterative decoding and 8PSK

... for 8PSK with the rotation angle θ = 9° performs the same as the separate optimization over AWGN chan- ...simultaneous optimization over both AWGN and Rayleigh fading channels reaches the same ... See full document

... Iterative decoding is an effective technique to approach the channel capacity for very large block sizes with enough ...both decoding complexity and delay ...capacity decoding—which is ... See full document

... of error detection and error correction in the communication ...reduce error in the wireless communication system by using the advantages of both error correction techniques which are forward ... See full document

... different mapping schemes, Gray, anti- Gray and modulation doping (α = ...all mapping schemes. On the other hand, the modulation doping (α = ...anti-Gray mapping and outperforms the ... See full document

... Simulation is carried to measure Bit Error Rate BER, Symbol error rate & to measure Number of data bits, coded bits in OFDM symbol by using different modulation & Code rate.. Pre impleme[r] ... See full document

... The Turbo decoder is built in the similar way as the turbo encoder. Two elementary decoders are interconnected to each other, but in serial way, not parallel. An iterative decoding is proposed in [1], [2] ... See full document

... The classic Shannonian source and channel coding separation theo- rem [1] has limited applicability in the context of finite-complexity, finite-delay lossy speech [2] and video [3] codecs, where the dif- ferent encoded ... See full document

... separate optimization of each ...additional error protection [3], [4]. Based on these source-decoding techniques, several iterative source-channel decoding approaches have been ... See full document

... In JSCC design, the rate-distortion (R-D) method [2] is an analytic approach towards optimal bit rate allocation between source and channel encoders. Several JSCC approaches have been proposed for reliable ... See full document

... CODING BASED MODULATION DETECTION ALGORITHM Since this coded AQAM system employed burst-by-burst decoding at the receiver, we can exploit the error correction capability of the channel c[r] ... See full document

... However, after investigating the existing turbo-style coding/ decoding schemes , we find that the popular Forney 's conventional concatenated code [35] i.e , using a simple trellis inner[r] ... See full document

... each bit rate m, our goal is to determine the symbol energy that satisfies the target BER given predicted channel coefficient ...the bit- loading algorithm selects the symbol energy and the constellation to ... See full document

... Recent developments in media source coding have evolved from consideration not only of compression efficiency in terms of rate-distortion curves, but also on methods for providing easy-to-use scalability features. ... See full document

... In the transmitter of Figure 1, the real-valued source sam- ples are quantized to K number of quantization levels in the block Q . The resultant frame of quantized source samples is synonymously referred to as the frame ... See full document

... some mapping rearrangement schemes suitable for parallel concatenated trellis coded modulation for retransmissions in the hybrid ARQ ...the mapping in order to adjust its prop- erties to the ... See full document

... throughput, bit-error-rate (BER) perfor- mance, and estimated complexity in Section ...of bit-to-symbol mapping is addressed in the context of convolution codes and convolutional coding as ... See full document

... In this paper we propose a novel Irregular Variable Length Coding (IrVLC) scheme for near-capacity joint source and channel coding. We employ a number of component Vari- able Length Coding (VLC) codebooks having ... See full document

... soft-output decoding algorithm that is iterated several times to provide powerful error correcting capabilities desired by very noisy wired and wireless ...two error control codes based on ... See full document

... For any channel, the bandwidth, data rate, noise and error rate are related to each other. The greater the bandwidth, the greater will be the cost. All transmission channels of any practical interest are limited ... See full document

... adaptive modulation schemes can provide reliability when deployed in a real time channel, resulting in improved system performance & Focus on the modulation aspects of the optical wireless ... See full document