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A17. Try to avoid phones bought from a certain carrier. They have a wrapper that will block other networks, for example OAI. Here is another solution, but try at your own risk,
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https://lists.eurecom.fr/sympa/arc/openair5g-user/2016-06/msg00076.html
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**Q17: I get error, "problem Receiving samples". What do I do? **
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A17. This error means that there is real-time issue with sample acquisition. It happens as USB3 transfers are very sensitive to real-time performance. You should make sure all the steps related to CPU sleep, etc in HW/SW configuration are followed here, https://gitlab.eurecom.fr/oai/openairinterface5g/wikis/OpenAirSoftwareSupport. You can also turn off WiFi/Bluetooth driver or in extreme case run your Linux without X Windows. Also, make sure your USRP is connected to USB3 port. If the problem persists, try doing USRP TX/RX benchmark tests and try to run OAI in 5 MHz(see N_RB_DL = 25) in eNodeB config file.
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## Useful Links
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**Q1. where I can get a copy of OAI SW?**
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