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Soft_demapping_QPSK.zip
- soft Demapping QPSK : LLR computation using Euclidian distance approach, Parallel-to-Serial converter : needs I and Q components of QPSK symbols at the input,soft Demapping QPSK : LLR computation using Euclidian distance approach, Parallel-to-Serial
QPSK_chain
- Simulation of a baseband QPSK mod/demod: TX : a pseudo random bit stream generation, Serial to parallel conversion, QPSK Mapping (Gray coding), Signal power computation Channel : AWGN channel RX: Soft Demapping / Hard Demapping, Plot constellat
Good_ver_Soft_demapping_QPSK
- good version of soft Demapping QPSK : LLR computation using Euclidian distance approache, Parallel-to-Serial converter, needs I and Q componets of QPSK symbols at the input
Soft_demapping_8PSK
- soft Demapping 8PSK : LLR computation using Euclidian distance approach, Parallel-to-Serial converter, needs I and Q componets of 8PSK symbols at the input
SphereDecoder
- 用于MIMO检测的sphere decoder程序- This function implements a soft output sphere decoder. Based on the paper: C. Studer, M. Wenk, A. Burg, and H. Blocskei: "Soft-Output Sphere Decoding: Performance and Implementation Aspects", Asilomar 2006
16QAM_soft_demapping
- This document is about 16 QAM demapping of received data. But its a soft demapping method based Log likelihood ratio(llr). So results can be used as inputs for viterbi decoder or turbo decoder. It is very usefull to decrease BER for communication sys
4D
- Coded modulation (CM) is the combination of forward error correction (FEC) and multilevel constellations. Coherent optical communication systems result in a four-dimensional (4D) signal space, which naturally leads to 4D-CM transceivers. A pr
2D-Al-junid-2013
- Coded modulation (CM) is the combination of forward error correction (FEC) and multilevel constellations. Coherent optical communication systems result in a four-dimensional (4D) signal space, which naturally leads to 4D-CM transceivers. A pr
1D_SNR_FAUX
- Coded modulation (CM) is the combination of forward error correction (FEC) and multilevel constellations. Coherent optical communication systems result in a four-dimensional (4D) signal space, which naturally leads to 4D-CM transceivers. A pr
softDemapping
- 提出了一种软判决解映射的简化算法，简化算法同时提高性能(a new simplified soft-output demapping algorithm)