XRA-31 1.0 Changelog
Posted by Tom Ghyselinck, Last modified by Dieter Dobbelaere on 10 February 2021 10:03 AM

Welcome

We are pleased to announce the first release of the XRA-31 system!

We hope unboxing was a pleasure and you are up-and-running for this new experience!

Features

  • OFDM

    • Real-time demodulation and decoding
    • Full line rate (up to approx. 2 Gbps per channel)
    • All FFT sizes, cyclic prefixes and rolloff periods defined by [CM-SP-PHYv3.1]
    • All interleaver settings defined by [CM-SP-PHYv3.1]
    • All modulations from zero-bit-loading up to 4096-QAM defined by [CM-SP-PHYv3.1]
    • All possible configurations of exclusion bands defined by [CM-SP-PHYv3.1]
    • Multiple concurrent data profiles (from A up to P)
    • Mixed-modulation profiles
    • Dynamic data profile changes
    • PLC and NCP MER statistics
  • OFDMA

    • Real-time demodulation and decoding
    • Full line rate (up to approx. 1 Gbps per channel)
    • All FFT sizes, cyclic prefixes and rolloff periods defined by [CM-SP-PHYv3.1]
    • All interleaver settings defined by [CM-SP-PHYv3.1]
    • All modulations from zero-valued up to 4096-QAM defined by [CM-SP-PHYv3.1]
    • All possible configurations of exclusion bands and unused sub-carriers defined by [CM-SP-PHYv3.1]
    • All data profile IUCs defined by [CM-SP-MULPIv3.1] concurrently
    • Dynamic UCD changes (including data profile IUC changes)
    • Supported pilot patterns: 1-4, 8-11
    • Initial Ranging and Fine Ranging MER statistics

References

Known limitations

FPGA

  • OFDM

    • One channel receiver supported
    • No dynamic NCP profile changes
    • No data MER statistics
  • OFDMA

    • One channel receiver supported
    • Unsupported pilot patterns: 5-7, 12-14
    • No REQ messages
    • No probing sequences
    • No data MER statistics

Environment and system tools

  • xra31-admin: It is not possible to follow the system/service logs

Analysis

  • Captured packets are not ordered by timestamp

Changelog 1.0-235 (2018-03-07)

  • First public release
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