EDN

Crafting a Custom Viterbi Decoder for WLAN Designs

Clearly, wireless LAN (WLAN) systems are a hot topic in the design community. With 802.11b taking off, and 802.11g and 802.11a coming quickly, much attention has been placed on building WLAN access ...
Design-Reuse

Viterbi Compiler, High-Speed Parallel Decoder

The Altera® Viterbi Compiler generates high-performance, soft-decision Viterbi MegaCore® functions that implement a wide range of standard Viterbi decoders. Viterbi decoding (also known as maximum ...
EDN

Self-correcting codes conquer noise, part one: Viterbi codecs

FEC (forward-error-correction) techniques correct errors at the receiver end of digital communications systems. In contrast with error-detection and retransmission ...
Design-Reuse

Unified C-programmable ASIP architecture for multi-standard Viterbi, Turbo and LDPC decoding

This paper describes an ASIP decoder template suitable for multi-standard Viterbi, Turbo and LDPC decoding. We show architecture fitness for WLAN, WiMAX and 3GPPLTE standards, although various other ...
Nature

Convolutional Codes and Decoding Algorithms

Convolutional codes represent a cornerstone in modern communications, offering a method for continuously encoding data streams to mitigate errors due to interference and noise. These codes operate by ...