Merge remote-tracking branch 'origin/develop_integration_2018_w10' into develop
Summary of changes: - bug fix in the FlexRAN API (correct a check) - bug fix for sending the right RNTI in a FlexRAN message - fixes small bug in ulsim which kills one RX antenna in channel simulation. Another simple but bad bug in ulsch_demodulation.c (bad access of avgU array). This probably resulted in a performance degradation for non-ideal channels, even for 1 antenna. The avgU was read in position 1 instead of 0 for 1-antenna and in positions 1 and 2 instead of 0 and 1 for 2-antennas. - work from Nokia: 1) shared library loader, with integration for oai devices, encoder and telnet server 2) telnet server (use build-oai --build-telnetsrv option and --telnetsrv softmodem option) 3) UE/eNB in different executables (lte-uesoftmodem and lte-softmodem + noS1 variants) 4) config module fixes and extensions 5) very preliminary NB-IoT integration preparation, using shared lib loader ( use make NB-IoT to build, after building the eNB softmodem) 6) Rename NB-IoT configuration sources from nbiot_ to NB-IoT_ to be consistent with other NB-IoT developments. - various bugs fixed: - try to avoid "buffer full" problem when pushing DL traffic - add a stop_rf function in the RU - cleanup - remove unnecessary calls to get_cpu_freq_GHz (was disrupting realtime at startup, generating lots of UU and LL) - cleanup MAC PDU generation Compilation with Rel10 is not functional anymore. Compilation of unitary simulator is not functional anymore.
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