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Questions tagged [5g]

5g wireless cellular communications systems - the 5th generation

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What would be the Maximum ERIP of cellphone in absence of 23dBm 3gpp restrictions? [closed]

Consider a 5g cellphone with 4×4 MIMO antaenna (4 transmitters),wifi antaenna,& Bluetooth antaenna. Considering the 3gpp guidelines, current EIRP is set to maximum of 23dBm, which is maintained by ...
Naja's user avatar
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1 vote
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Real World Range of C-Band (3.7Ghz) versus EBS/BRS (2.5Ghz) mid-band 5G

I am aware that with all things being equal, lower frequencies propagate better. Thus, T-Mobile’s 2.5Ghz spectrum should have better range than AT&T’s and Verizon’s 3.7Ghz spectrum. T-Mobile ...
Jeremy Lund's user avatar
1 vote
2 answers
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What is meant by 5G NR "Physical" layer?

I am rote-learning 5G NR concepts for a job interview. In 5G NR, we have something called a Physical layer. Wikipedia defines physical layer as: ...
MAJID AHMAD's user avatar
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Noise in mm-wave initial access frameworks

I have a doubt about Initial Access (IA) procedures in mm-wave system. In most papers I have read (see e.g. Initial Access in 5G mm-Wave Cellular Networks), most of the alignment procedures assume ...
Apprentice's user avatar
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1 answer
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How to compute a data rate "loss"?

I am studying 6G communication. There are a lot of publication about it, frequency, latency, BW and other KPIs.[1],[2] Now one of the most popular research topics is an integration non-terrestrial ...
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How to compute link budget in a system with aero/space-borne integration

I am studying a system in 5G which are represented as a combination terrestrial and non-terrestrial network (including satellite segments or HAP/LAP) [5G NTN] it is a unified terrestrial aerospace ...
Aid22's user avatar
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-3 votes
1 answer
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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 [closed]

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-...
Niels Kristian's user avatar
7 votes
1 answer
504 views

5G and Radar Altimeter Interference - Am I Taking Crazy Pills?

I can't understand where the math supports the concept of 5G frequencies interfering with aircraft altimeters. Can anyone point out the holes in my logic or educate me? Knowns: Aircraft altimeter ...
1337_Pawn's user avatar
1 vote
1 answer
158 views

RF direction finding

Is it possible to build a system of antennas to find the rough direction of a radio frequency emitter such as a WiFi router, a Bluetouth tag, or, a 5G cell tower? I cannot use distant antennas to use ...
oli's user avatar
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-3 votes
2 answers
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5G and aircraft? [closed]

I just read the statement of a company, "We are frustrated by the FAA’s inability to do what nearly 40 countries have done, which is to safely deploy 5G technology without disrupting aviation ...
riccs_0x's user avatar
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Why in MISO, SISO, MIMO definition Input is Transmitting antennas not the receiving ones?

This is a definition for SIMO in the reference below: "The SIMO or Single Input Multiple Output version of MIMO occurs where the transmitter has a single antenna and the receiver has multiple ...
Son Pham's user avatar
9 votes
4 answers
4k views

How does the current processor technology with low clock rates (<10 GHz) deals with mmWave (>10 GHz) technology used in 5G?

What I mean is that most abundant computing processors in market have the clock frequencies in the range of 2-4 GHz and from wikipedia: As of 2012, the CPU-Z record for the highest CPU clock rate is ...
lousycoder's user avatar
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Does it take more power (battery-life) to stream video or to do local video processing?

I have a raspberry pi with a camera. I want to take analytics from the video (mostly object detection). This doesn't have to be run in real time and the RPI doesn't need the output of the video ...
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1 vote
1 answer
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Using WiFi Antenna for 5G Mobile Network?

I moved to an apartment located in a basement of a complex. I had to build a setup with a set of 2 external LTE (4G) antennas Wilson Electronics Wideband Directional Antenna 700-2700 MHz Wilson ...
0x00FE's user avatar
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