I hope this clarifies why you LTE modem is not producing the information that you are interested in. Also, be sure to have the latest 3GPP LTE decoder installed and enabled within Wireshark. If you have access, then you can use Wireshark to read TCPdump captures or tap into the Ethernet traffic promiscuously and capture traffic within Wireshark. Log Analysis TUTORIAL QPST & QXDM.mp4 - YouTube Speech coding is the process of obtaining a compact representation of voice signals for efficient transmission over band-limited wired and wireless channels and/or storage. For the control plane traffic on the S1-MME interface (between the eNB and Mobility Management Entity (MME)), you need access to the service provider's internal network. To capture from the MAC layer and higher (Ethernet layer to IP/UDP/GTP-U/IP layers) then you would need access to the S1-U interface (between the eNB and Serving Gateway (S-GW)) for the user plane traffic.
QXDM Tool is the best way to get information about your log from Qualcomm devices. The LTE modem is just the connection between the transceiver of the UE and the transceiver of the eNodeB or gNodeB (RRH or RU). QXDM Tool (Qualcomm Extensible Diagnostic Monitor) is the latest tool for Windows Computer, which provides a diagnostic client for dual-mode subscriber stations, newer user equipment software, and advanced mobile subscriber station. This is why you are not seeing the layer 2 protocol stack components (MAC, RLC, PDCP, RRC) for the radio communications between the UE and the eNodeB (base station controller or BBU).
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You will need to make a direct USB connection to the mobile device from a PC or laptop and use the suite of Qualcomm tools If you are using a LTE modem, this will only be at the OSI lower layer 1 & any sublayers, primarily the physical layer (PHY). To capture LTE packets from a UE (mobile cell phone), you can use the Qualcomm tools like the previous person mentioned.
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Hi I know this is an old post from roughly three (3) years ago but I thought I should weigh in anyhow. Analysis and debugging of QUALCOMM based LTE CAT-M1 chipset using QXDM tool Performing runtime analysis on drive testing logs from SWEDEN, UK, IRELAND, ITALY, SPAIN, USA and many more countries Acquired good Protocol Stack Software development for LTE CAT-M1 元 (36.