[srslte-users] Error - MIMO configurations for Max throughput

Thu May 16 14:54:56 UTC 2019

Hi Bilal,
Can you provide the ue.log?

Thanks,
Xavier

On Thu, 16 May 2019 at 14:17, Bilal Maqsood <bilalmaqsood88 at gmail.com>
wrote:

> Hi All,
>
> I hope all is well.
>
> I was trying to set MIMO configurations TM3/TM4 for max throughput test. I
> am using one USRP X310 as UE and one as eNB. At UE side I changed nof_rx_ant
> = 2 and at the enb side I changed tm = 3 and nof_ports = 2.
>
> For n_prb = 75 or 100, UE cannot detect the eNB. I have tried different
> gain settings but of no use.
>
> For n_prb = 50, UE can detect the eNB but I get the following displayed
> on the console
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1).
>
> The console trace is given below.
>
> Please, let me know what could be the problem. Many thanks.
>
> Regards,
> Bilal
>
> Found Cell:  PCI=1, PRB=50, Ports=2, CFO=0.5 KHz
> Found PLMN:  Id=00101, TAC=7
> Setting PDN protocol to IPv4
> Random Access Transmission: seq=5, ra-rnti=0x2
> Random Access Complete.     c-rnti=0x46, ta=5
> RRC Connected
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Number of ports and layers must be 1 for transmission on single antenna
> ports (2, 1)
> Warning: Detected Radio-Link Failure
> RRC Connection Reestablishment
> RRC IDLE
> Failed to Attach
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