Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [4g]

9 questions
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What type of antenna connector is this? (USB 4G modem)

What type of antenna connector is in the Huawei E5573Cs-322 phone? (Internally - left side on the image) SMA or ts-9? Photo attached.
Ruslan Korolev
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Data logging on a SIM5320

One of my SIM5320 devices is using a lot more data than before while sending a POST message to a web server. I like to see what connections the SIM5320 is establishing, but i don't know how. What is the best way to do this? I prefer to log all data…
Patrick_iot
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Acquiring the PSS & SSS: from a UE perspective

I have been reading LTE materials of late and stumbled upon the process of UE initial procedures to attach to the LTE network. The procedure starts with searching a suitable cell. The UE first scans frequencies and then selects an appropriate PLMN,…
Kaswechiha
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Layer Mapping & Antenna Ports in LTE PDSCH layer processing

I am reading LTE materials recently, and came across the antenna port term. I am quite clear about the term, however, what does a layer mapping exactly mean? Does 'layer' correspond to a logical channel/physical channel/communication pipe for the…
Kaswechiha
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CSFB service vs SRVCC service - LTE basics

I have been reading core architecture topics on LTE. In a session, I was introduced to CSFB, as a service handover, instead of the coverage handover associated with the SRVCC. While I am able to understand SRVCC quite well, I have a query on CSFB. I…
Kaswechiha
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Estimating the range of an antenna and determining what the best option is?

I'm very new to radio communication so I apologize for the lack of knowledge about this subject. That being said, I'm looking for a directional antenna imagine a situation as follows, I'm in a rural area where the nearest cell tower would be 20-25…
icyli2
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LTE Bandwidth at band edge

If my LTE uplink channel is right on the band 20 edge for example 861.9MHz or 24449 EARFCN and my LTE BW is 10MHz does that mean the final signal would be outside of B20 or 856.9-866.9 ? Or is the final BB signal shifted toward the middle of the…
Engo
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180m to proper 4G reception: which approach to take to ensure good bandwidth?

I have a cabin in a remote location in Norway, and as luck has it, no cell phone reception. There is great reception up on a hill nearby. I could erect an antenna there, and the cable would be about 180m if I were to lay one from the cabin and to…
oligofren
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Can I use a 5G antenna on my 4G router and get 5G speeds or do I need a 5G router

I have a Huawei B535 4G router at home. The SIM card sitting in it and the subscription also supports 5G. Will it be enough to just add an external antenna like this one: https://triax.com/shop/en/o5a-06w-omnidirectional-5g-antenna-109602 to get 5G…
Niels Kristian
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