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In this paper we investigate the effect of power allocation on the performance of the Distributed Turbo Product Code (DTPC) system. We study the error propagation on distributed coding systems when the relay makes erroneous decisions and present a simple power allocation method to alleviate the effect of relay decoding errors on the iterative decoding at the destination. We validate this method with...
In this paper, we propose a new superposition modulation-based cooperative scheme and investigate receivers with iterative detection and decoding (IDD), where we focus on an interference cancellation (IC) detector. For quasi-static fading environment, we analyze the bit-error-probability (BEP) of the proposed scheme and analytically show the optimal power allocation in the superposition modulation...
We propose a new superposition modulation-based cooperative diversity scheme and investigate receivers with iterative detection and decoding for the scheme, where we focus on a interference cancellation (IC) detector. We analyze the bit-error-probability (BEP) of the scheme and find the optimal power allocation. Simulation results are shown to be very close to the analytical results for a wide range...
Unequal error protection is the key to future transport of multimedia data. The paper presents an overview of some new approaches realizing UEP properties in physical transport, especially multicarrier modulation, or with LDPC and turbo codes. For multicarrier modulation, a UEP bit-loading method is described allowing for an arbitrary number of classes, arbitrary SNR margins between the classes and...
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