... | ... | @@ -229,34 +229,41 @@ The following results can be observed: |
|
|
|
|
|
![IPerf-ENB.png](HowToConnectOAIENBWithOAIUEWithoutS1Interface/IPerf-ENB.png)
|
|
|
|
|
|
<img alt="IPerf-UE.png" src="https://twiki.eurecom.fr/twiki/pub/Sandbox/ChunYeowYeohSandbox/IPerf-UE.png" />
|
|
|
---++ Duplex and Antenna:
|
|
|
[IPerf-UE.png](HowToConnectOAIENBWithOAIUEWithoutS1Interface/IPerf-UE.png)
|
|
|
|
|
|
The picture of antenna [3] used for this testing and duplexer as follow:
|
|
|
## Duplex and Antenna
|
|
|
|
|
|
<img alt="USRPduplexer.png" src="https://twiki.eurecom.fr/twiki/pub/OpenAirInterface/HowToConnectOAIENBWithOAIUEWithoutS1Interface/USRPduplexer.png" />
|
|
|
<h2>
|
|
|
The picture of antenna [\[3\]][3] used for this testing and duplexer as follow:
|
|
|
|
|
|
<span style="font-size: 19.8899993896484px; line-height: 1em;">Bugs:</span>
|
|
|
</h2>
|
|
|
[USRPduplexer.png](HowToConnectOAIENBWithOAIUEWithoutS1Interface/USRPduplexer.png)
|
|
|
|
|
|
[1] If you encounter the following errors reported by , please switch to the svn trunk version 7763:
|
|
|
## Bugs
|
|
|
|
|
|
<span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">[PHY][I][pbch_detection] [UE0] Initial sync: starting PBCH detection (rx_offset 71032)</span><span style="color: #500050; font-family: arial, sans-serif; font-size: 12.8000001907349px;"><br />Program received signal SIGILL, Illegal instruction.<br /></span><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">[Switching to Thread 0x7fffd7fff700 (LWP 18558)]</span><br /><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">multadd_real_vector_complex_</span><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">scalar (x=x@entry=0xb97bc0 <filt24_0>, alpha=alpha@entry=</span><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">0x7fffd7ffe1f0,</span><br /><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> y=y@entry=0x354d91f0, N=N@entry=24) at /home/openairlte/openair4G/</span><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">openair1/PHY/TOOLS/cmult_sv.c:</span><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">94</span><br /><span style="color: #500050; font-family: arial, sans-serif; font-size: 12.8000001907349px;">94 alpha_r_128 = set1_int16(alpha[0]);</span>
|
|
|
\[1\] If you encounter the following errors reported by , please switch to the svn trunk version 7763:
|
|
|
|
|
|
This is due to the <span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">machine doesn't support avx2 [2] and generates illegal instructions. EURECOM will soon </span><span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;">introduce some new SIMD code which exploits the AVX2.</span>
|
|
|
|
|
|
<span style="color: #222222; font-family: arial, sans-serif; font-size: 12.8000001907349px;"> </span>
|
|
|
---++ References:
|
|
|
```
|
|
|
[PHY][I][pbch_detection] [UE0] Initial sync: starting PBCH detection (rx_offset 71032)
|
|
|
Program received signal SIGILL, Illegal instruction.
|
|
|
[Switching to Thread 0x7fffd7fff700 (LWP 18558)]
|
|
|
multadd_real_vector_complex_scalar (x=x@entry=0xb97bc0 <filt24_0>, alpha=alpha@entry=0x7fffd7ffe1f0,
|
|
|
y=y@entry=0x354d91f0, N=N@entry=24) at /home/openairlte/openair4G/openair1/PHY/TOOLS/cmult_sv.c:94
|
|
|
94 alpha_r_128 = set1_int16(alpha[0]);
|
|
|
```
|
|
|
|
|
|
[1] https://github.com/chunyeow/openairinterface5g/commit/72a8159c067517d7a7d42659f1c36c03840f3331
|
|
|
This is due to the machine doesn't support avx2 [\[2]\][2] and generates illegal instructions.
|
|
|
EURECOM will soon introduce some new SIMD code which exploits the AVX2.
|
|
|
|
|
|
<span style="color: #000000;">[2] </span>https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2
|
|
|
## References
|
|
|
|
|
|
[3] http://www.ettus.com/product/details/VERT900
|
|
|
* \[1\] https://github.com/chunyeow/openairinterface5g/commit/72a8159c067517d7a7d42659f1c36c03840f3331
|
|
|
[1]: https://github.com/chunyeow/openairinterface5g/commit/72a8159c067517d7a7d42659f1c36c03840f3331
|
|
|
* \[2\] https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2
|
|
|
[2]: https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#Advanced_Vector_Extensions_2
|
|
|
* \[3\] http://www.ettus.com/product/details/VERT900
|
|
|
[3]: http://www.ettus.com/product/details/VERT900
|
|
|
|
|
|
---++ Acknowledgements:
|
|
|
## Acknowledgements
|
|
|
|
|
|
__This work was supported by <a target="_blank" href="http://www.tmrnd.com.my/" title="TMRND">Telekom Research & Development Sdn. Bhd.</a>__
|
|
|
__This work was supported by [Telekom Research & Development Sdn. Bhd.](http://www.tmrnd.com.my/)__
|
|
|
|
|
|
-- User.ChunYeowYeoh - 28 Jul 2015 |
|
|
-- @chunyeow - 28 Jul 2015 |