[srslte-users] Problem with srsLTE installation with No Hardware

[Shahini, Ali]

Hi everyone,

I have been struggling with srsLTE installation. I would like to install
srsLTE with No Hardware, such that I would be able to exchange traffic with
virtual machine1 (EPC and ENB) over the LTE link by pinging 172.16.0.1 from
machine2 (UE) that has IP 172.16.0.2.

1. I installed the srsLTE with no fronend RF driver (because I do not have
any hardware), and then I realized that *srsenb* and *srsue* are not built
after srsLTE installation. So I couldn't run *srsenb* and *srsue*.

2. This time, I installed srsLTE with UHD driver, where *srsenb* and
*srsue* are
built, and I could run these two commands. But when I run *srsenb, *it
gives an error message: However, I get error on the ENB as follows:

*EPC output:*

ali at ali-VirtualBox:~/srsLTE/build$ sudo srsepc
[sudo] password for ali:

Built in Release mode using commit 5343b33f on branch master.


---  Software Radio Systems EPC  ---

Reading configuration file /home/ali/.config/srslte/epc.conf...
HSS Initialized.
MME S11 Initialized
MME GTP-C Initialized
MME Initialized. MCC: 0xf001, MNC: 0xff01
SPGW GTP-U Initialized.
SPGW S11 Initialized.
SP-GW Initialized.

*(it stops here and nothing happens, is it alright?)*
*(I checked the routing table and apparently virtual network
interface srs_spgw_sgi is created.)*

---------------------------
*ENB output:*

ali at ali-VirtualBox:~/srsLTE/build$ sudo srsenb
[sudo] password for ali:

Built in Release mode using commit 5343b33f on branch master.

---  Software Radio Systems LTE eNodeB  ---

Reading configuration file /home/ali/.config/srslte/enb.conf...
[INFO] [UHD] linux; GNU C++ version 7.3.0; Boost_106501;
UHD_3.14.0.0-release
[INFO] [LOGGING] Fastpath logging disabled at runtime.
Opening USRP with args:
Error opening UHD: code 11


*/home/ali/srsLTE/lib/src/phy/rf/rf_imp.c.126: No compatible RF frontend
found/home/ali/srsLTE/lib/src/radio/radio.cc.38: Error opening RF device*

Failed to find device auto with args auto

---------------------
*Same thing happens to srsue*
----------------------

I also installed the srsLTE with other frontend drivers too but it didn't
work out.

I'd highly appreciate if you could kindly give me some suggestions to fix
these issues.


*Ali*
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