Titlebook: Cryptography and Coding; 6th IMA Internationa Michael Darnell Conference proceedings 1997 Springer-Verlag Berlin Heidelberg 1997 Colossus.D

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Robust Reed Solomon coded MPSK modulation,yleigh fading channel is investigated. By matching configuration of component codes with the channel characteristics, it is shown that this system is robust for the Gaussian and a Rayleigh fading channel..This approach is compared with non-partitioned RSCM, a Reed Solomon code combined with an MPSK

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A digital signature scheme based on random error-correcting codes,rrecting codes. Unfortunately all these attempts failed. In this paper we suggest a new approach based on a seemingly unknown before fact that the set of correctable syndroms being nonlinear nevertheless contains a rather large linear subspace.

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Variable rate adaptive trellis coded QAM for high bandwidth efficiency applications under Rayleigh demodulation. Past channel states are fed back to the transmitter with delay. Current channel state is then predicted at the transmitter to decide on the appropriate modulation mode for the current symbol. At good channel states, high level modulation is used to boost up the average throughput. At

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reperfusion

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Public Privacy: Women, the City and the Car,coder, the physical bandwidth is maintained constant. Design issues for the ATCQAM are considered. Practical schemes to maintain transmitter-receiver synchronization, namely the . and the ., are discussed. The effects of finite feedback delay, finite interleaving depth and mobile speed are investigated.

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Robust Reed Solomon coded MPSK modulation,ng algorithm. Simulation results for these schemes show that RSCM based on set partitioning performs better than not based on set partitioning and RMCM across a wide range of conditions..The novel idea here is that in the receiver, we use a rotated 2.-PSK detector if the transmitter uses a 2.-PSK modulator.

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