Announcing Sionna v0.12

[faycalaa]

We are happy to announce the Sionna v0.12 release:

• MIMO
  • Add MMSEPICDetector layer for MMSE-PIC detection, contribution from @rwiesmayr
  • Add EPDetector layer for expectation propagation (EP) detection
  • Add KBestDetector for K-Best detection
  • Utility layer PAM2QAM now also supports soft information
• FEC
  • Add OSDDecoder layer for ordered statistics decoding (OSD)
  • Add submodule fec.linear for universal support of Linear Codes
  • Add support for max-log BCJR decoding to the convolutional and Turbo decoders
  • Align Turbo and convolutional encoders
  • Add support for code termination to convolutional codes
  • Add input LLR clipping to LDPC BP decoding
• OFDM
  • Add base class BaseChannelEstimator to ease the implementation of OFDM channel estimators
  • Add base class BaseChannelInterpolator to ease the implementation of OFDM channel interpolators
  • Add LMMSEInterpolator for LMMSE channel time and frequency interpolation and optional spatial smoothing
  • Add utility functions to compute time and frequency covariance matrices of TDL models
  • Add base class BaseEqualizer to ease implementation of OFDM MIMO equalizers
  • Add base classes BaseDetector and BaseDetectorWithPrior to ease the implementation of OFDM MIMO detectors without and with prior information
  • Add LinearDetector layer for LMMSE, MR, or ZF equalization followed by app or max-log demapping for OFDM MIMO detection
  • Add KBestDetector for K-Best-based OFDM MIMO detection
  • Add EPDetector for EP-based OFDM MIMO detection
  • Add MMSEPICDetector for MMSE-PIC-based OFDM MIMO detection
  • Add a setter to PilotPattern to support one-the-fly update of pilot symbols
• Channel
  • Add MIMO support to TDL channel models through the specification of arbitrary correlation matrices
  • Add support for TDL A30, B100, and C300 channel models
  • Fix base station orientation in gen_topology_* utilities
• Tutorials
  • Add a notebook showing how to use and compare some of the OFDM channel estimators and MIMO detectors available in Sionna
• MISC
  • Typos fix and new test cases
  • Drop support for TensorFlow 2.6

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