Doing only 5 LDPC iterations by default leads to a poor reception
performance, and correspondingly many retransmissions. Increase to 8 as
the new default to improve user experience.

system_core is the core reserved for DPDK control threads. It was
hardcoded to 0, but it seems that one some systems, CPU 0 cannot be
reasonably isolated from kernel threads. Make it therefore configurable
(default: 0)

Closes: #732 (suggestion 1)
Suggested-by: Andrew Sergeev <andrew.sergeev@adtran.com>

- PUSCH target increase: lower PUSCH target requires !2373
- sdr_addrs is USRP-specific, not needed for O-RAN

- Add the O-RAN 7.2 FHI library, interfacing with OSC xRAN library (E
  release)
- Add Findxran.cmake to detect the library and headers, including
  version information
- Test for numa and DPDK presence
- Add patch for OSC xRAN to make interworking possible
- Add sample config files for LiteOn, Benetel, and VVDN units.

Documentation is provided in the next commit.

Co-authored-by: Raymond Knopp <raymond.knopp@eurecom.fr>
Co-authored-by: Cedric Roux <cedric.roux@eurecom.fr>
Co-authored-by: Manish Kumar Singh <manish1.kumar@amd.com>
Co-authored-by: thamizhselvan.k <thamizhselvan.k@vvdntech.in>
Co-authored-by: rajeshwari.p <rajeshwari.p@vvdntech.in>
Co-authored-by: Hongzhi Wang <hongzhi.wang@openairinterface.org>
Co-authored-by: Sofia Pison <Sofia.Pison@eurecom.fr>

3GPP has the concept of a gNB-DU ID and a (separate) gNB ID (for gNB,
CU). This commit introduces the gNB-DU as a separate ID that has to be
set in the configuration file. It is necessary, as some entities, e.g.,
the e2 agent, need to signal both IDs, e.g., to reconcile a CU and
(multiple) DU(s) belonging together.

	- for example when running nr-uesoftmodem with sidelink
	  use "-O ../../../targets/PROJECTS/NR-SIDELINK/CONF/sidelink_preconfig_1rxpool_1txpool.conf"

mir authored 1 year ago and Robert Schmidt committed 1 year ago

- Add E2 agent that leverages FlexRIC e2ap library
- Add documentation in openair2/E2AP/README.md
- Currently, statistics exported are random

- Remove any FlexRAN code
- Cleanup config files
- Remove LFDS7, libyaml dependencies