2013•IEEJ Transactions on Electrical and Electronic EngineeringRequires access

Code design and performance analysis in TCCPM system based on super trellis

Xian Liu, Liu Ai-jun, Zhang Bangning, Guo Daoxing

Abstract

Abstract This paper describes a technique related to the design of a trellis encoder, combined with the continuous phase modulation (CPM). Based on the idea of decomposing CPM into continuous phase encoder (CPE) and memoryless modulator (MM), superior trellis encoders are designed following Ungerboeck's set partitioning rules. Combinations are optimized with the squared minimum Euclidean distance based on the super trellis structure constructed by the trellis structure of trellis coded modulation (TCM) and CPE. Simulation results show that this new coding scheme consistently obtains better performance than previous schemes. © 2013 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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Key concepts: Trellis modulation, Trellis (graph), Encoder, Space–time trellis code, Trellis quantization, Computer science, Continuous phase modulation, Coding (social sciences)