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CHANGELOG.md

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RELEASE NOTES:

v1.2.1 -> February 2020.

  • Bug fix for mutex lock for wake-up signal

v1.2.0 -> January 2020.

This version adds the following implemented features:

  • LTE-M : eNB support for Mode A repetitions
    • PUSCH CE - 8 Repetitions
  • Improved CDRX implementation for monolithic eNB
  • Experimental eMBMS support (now also on eNB side)
  • Experimental MCE - Multicast Coordination Entity
  • Bug fixes

This version also has an improved code quality:

  • Better Test Coverage in Continuous Integration:
    • Initial framework to do long-run testing at R2LAB

v1.1.1 -> November 2019.

  • Bug fix in the TDD Fair Round-Robin scheduler

v1.1.0 -> July 2019.

This version adds the following implemented features:

  • Experimental support of LTE-M
    • Single LTE-M UE attachment, legacy-LTE UE attachment is disabled
  • X2 interface and handover (also X2-U interface)
    • In FDD and TDD
  • CU/DU split (F1 interface)
    • Tested only in FDD
  • CDRX
    • Tested only in FDD
  • Experimental eMBMS support (only on UE side)
  • Experimental multi-RRU support
    • Tested only in TDD

This version has an improved code quality:

  • Simplification of the Build System
    • A single build includes all full-stack simulators, S1/noS1 modes and one HW platform (such as USRP, BladeRF, ...)
  • TUN interface is now used as default for the data plane
    • for UE, eNB-noS1 and UE-noS1
  • Code Cleanup
  • Better Static Code Analysis:
    • Limited number of errors in cppcheck
    • Important Decrease on high Impact errors in CoverityScan
  • Better Test Coverage in Continuous Integration:
    • TM2, CDRX, IF4.5, F1
    • OAI UE is tested in S1 and noS1 modes with USRP board
    • Multi-RRU TDD mode
    • X2 Handover in FDD mode

v1.0.3 -> June 2019.

  • Bug fix for LimeSuite v19.04.0 API

v1.0.2 -> February 2019.

  • Full OAI support for 3.13.1 UHD

v1.0.1 -> February 2019.

  • Bug fix for the UE L1 simulator.

v1.0.0 -> January 2019.

This version first implements the architectural split described in the following picture.

Block Diagram

  • Only FAPI, nFAPI and IF4.5 interfaces are implemented.
  • Repository tree structure prepares future integrations of features such as LTE-M, nbIOT or 5G-NR.
  • Preliminary X2 support has been implemented.
  • S1-flex has been introduced.
  • New tools: config library, telnet server, ...
  • A lot of bugfixes and a proper automated Continuous Integration process validates contributions.

Old Releases:

  • v0.6.1 -> Mostly bugfixes. This is the last version without NFAPI.
  • v0.6 -> RRH functionality, UE greatly improved, better TDD support, a lot of bugs fixed.
    • WARNING: oaisim in PHY abstraction mode does not work, you need to use v0.5.2 for that.
  • v0.5.2 -> Last version with old code for oaisim (abstraction mode works)
  • v0.5.1 -> Merge of bugfix-137-uplink-fixes. It includes stablity fixes for eNB
  • v0.5 -> Merge of enhancement-10-harmony-lts. It includes fixes for Ubuntu 16.04 support
  • v0.4 -> Merge of feature-131-new-license. It closes issue#131 and changes the license to OAI Public License V1.0
  • v0.3 -> Last stable commit on develop branch before the merge of feature-131-new-license. This is the last commit with GPL License
  • v0.2 -> Merge of enhancement-10-harmony to include NGFI RRH + New Interface for RF/BBU
  • v0.1 -> Last stable commit on develop branch before enhancement-10-harmony