Results 201 to 210 of about 420,182 (254)
Autophagy and Lipid Metabolism as a Therapeutic Target for Overcoming Drug Resistance in Acute Myeloid Leukemia. [PDF]
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Proceedings of GLOBECOM '93. IEEE Global Telecommunications Conference, 1997
Summary: This letter presents a technique of combining multilevel coded modulation and product coding to form product modulation codes which achieve low bit error rates with reduced decoding complexity. Three multistage decoding algorithms are presented, and good codes for both the additive white Gaussian noise (AWGN) and Rayleigh fading channels have ...
Sandeep Rajpal, Shu Lin 0001
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Summary: This letter presents a technique of combining multilevel coded modulation and product coding to form product modulation codes which achieve low bit error rates with reduced decoding complexity. Three multistage decoding algorithms are presented, and good codes for both the additive white Gaussian noise (AWGN) and Rayleigh fading channels have ...
Sandeep Rajpal, Shu Lin 0001
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eIRA Codes for Coded Modulation Systems
2006 IEEE International Conference on Communications, 2006In this paper we discuss the design of linear time encodable extended irregular repeat-accumulate (eIRA) codes for bit-interleaved coded modulation (BICM) systems. We interpret eIRA codes as a particular instance of the recently introduced multi-edge type (MET) low-density parity-check (LDPC) codes. This allows us to take into account during the design
Giuseppe Durisi +2 more
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On punctured trellis-coded modulation
IEEE Transactions on Information Theory, 1996Summary: Punctured convolutional codes result in some savings in the complexity of Viterbi decoders, compared to other codes of the same rate. However, in general use of the punctured structure in the decoder results in a performance loss for trellis codes, due to difficulties in assigning metrics.
Jaehyeong Kim, Gregory J. Pottie
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Modulation and Coding for Noncoherent Communications
Journal of VLSI signal processing systems for signal, image and video technology, 2001zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Michael L. McCloud, Mahesh K. Varanasi
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Combination of block-coded modulation and trellis-coded modulation
IEE Proceedings I Communications, Speech and Vision, 1991It is known that trellis-coded modulation (TCM) can give a significant coding gain without compromising bandwidth efficiency, by the concepts of signal set partition and trellis coding scheme. It is also known that block-coded modulation (BCM) can be used to approach closely the maximum energy saving that can be obtained by using the densest lattice ...
J.-M. Wu, S.-L. Su
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Two-dimensional modulation codes
IEEE Journal on Selected Areas in Communications, 1992A new class of run-length-limited codes in introduced. These codes are called two-dimensional or multitrack modulation codes. Two-dimensional modulation codes provide substantial data storage density increases for multitrack recording systems by operating on multiple tracks in parallel. Procedures for computing the capacity of these new codes are given
Michael W. Marcellin, Harold J. Weber
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Adaptive Modulation and Coding Schemes Based on LDPC Codes with Irregular Modulation
IEEE Transactions on Communications, 2010In this paper we propose an adaptive modulation and coding (AMC) scheme which uses only a single low-density parity-check (LDPC) encoder/decoder with irregular modulation. Two Gray-mapped quadrature-amplitude modulations are employed within a codeword so that the transmission rates of the proposed AMC can be controlled even though the rate of the ...
Ahn, SK, Yang, K
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