Questions tagged [5g]
5g wireless cellular communications systems - the 5th generation
13
questions
0
votes
0
answers
19
views
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 ...
- 101
0
votes
1
answer
38
views
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 ...
- 3
0
votes
0
answers
29
views
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 ...
- 3
0
votes
0
answers
12
views
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 ...
- 474
0
votes
0
answers
76
views
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 ...
- 474
-3
votes
1
answer
459
views
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-...
7
votes
1
answer
472
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 ...
- 73
1
vote
1
answer
98
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 ...
- 113
-3
votes
2
answers
217
views
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 ...
- 520
0
votes
0
answers
35
views
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 ...
10
votes
4
answers
3k
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 ...
- 455
0
votes
0
answers
45
views
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 ...
- 603
1
vote
1
answer
552
views
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 ...
- 13