EDN

Adaptive Computing Turbo Charges Compute-Hungry Soft-Decision Viterbi

User demands for more variety in wireless services is triggering increasing data rates. As a result, system designers are finding they have to apply the most powerful algorithms possible to wireless ...
IEEE

SOVA-Decoded Serially Concatenated Continuous Phase Modulation System With Markov and ...

Abstract: We design low-complexity bi-directional (forward and backward) modified Soft-Output Viterbi Algorithm (SOVA) decoders to exploit source memory from binary Markov and hidden Markov model (HMM ...
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 ...
IEEE

Reduced-search SOVA for block turbo codes

Abstract: In this paper, we propose an efficient reduced-search SOVA (soft output Viterbi algorithm) for block turbo codes. To reduce complexity, the decoder selects a part of the existing paths using ...