Exact Max-Log MAP Soft-Output Sphere Decoding via Approximate Schnorr–Euchner Enumeration

Volume: 64, Issue: 6, Pages: 2749 - 2753
Published: Jun 1, 2015
Abstract
The complexity gains of sphere decoders (SDs) with Schnorr-Euchner enumeration and nonconstant amplitude constellations are limited by the required node ordering. Aiming at improving the implementation efficiency of SD without compromising optimality, this paper proposes a novel tree traversal for soft-output SDs providing the exact max-log MAP decoder performance. It consists of a predefined visiting order that approximates the exact...
Paper Details
Title
Exact Max-Log MAP Soft-Output Sphere Decoding via Approximate Schnorr–Euchner Enumeration
Published Date
Jun 1, 2015
Volume
64
Issue
6
Pages
2749 - 2753
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