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Constant Weight Codes: A Geometric Approach Based on Dissections
White Paper The encoder and decoder mappings are then interpreted as a bijection between a certain hyper-rectangle and a polytope in this Euclidean space. This paper presents a novel technique for encoding and decoding constant... [30 May 2009]
An Ultra-Low Power Multi-Mode LDPC Decoder Chip for Mobile WiMAX System
White Paper This paper presents an ultra-low power multi-mode decoder design for Quasi-Cyclic LDPC codes for Mobile WiMAX system. The multi-mode LDPC decoder design is implemented and fabricated in... [23 Apr 2009]
A Full-Rate Full-Diversity 2×2 Space-Time Code for Mobile WiMAX Systems
White Paper The third profile, which is not mandatory, is both a full-rate and a full-diversity code, but it has a high decoder complexity. The recently developed IEEE 802.16e specifications for broadband wireless access include... [23 Apr 2009]
High Performance Viterbi Decoder for OFDM Systems
White Paper It is well-known that, for systems that deploy conventional convolutional codes, a Viterbi decoder is the best solution in maximum likelihood sense to decode an information sequence. Typically, a Viterbi... [11 Apr 2007]
