Questions tagged [5g]
5G wireless networks - the 5th generation of cellular systems
17
questions
0
votes
0
answers
14
views
How & When does User equipment gets to know what is the SFN(system frame number) during Handover process?
Take an example:
UE camps to an LTE network let's say LTE B66. Network sends RRC reconfiguration to measure the neighbor cells.
UE scans & sends measurement report reporting neighbor cells. Now ...
0
votes
0
answers
12
views
5G PUSCH resource allocation at gNB for multiple UEs in Random Access procedure
As specified by 3gpp specifications, the initial access process is a random access procedure. The first step is to transmit a preamble over the PRACH occasion. If the base station successfully decodes ...
1
vote
0
answers
34
views
What is "n6" in transparent architecture (NG-RAN)?
Hello everyone!
I study the NG-RAN logical architecture described in TS 38.401, baseline for NTN scenarios.
I have found the picture of transparent architecture, you see below. I can not find a ...
1
vote
0
answers
62
views
5G: How to Integrate or Implement the 3GPP NWDAF? [closed]
I set up a Free5GC with EURANSIM emulator. As specified in the test cases, the setup is functioning as intended.
Currently, I'm attempting to integrate the 5G 3GPP NWDAF (Network Data Analytics ...
0
votes
0
answers
40
views
Is there an upper limit on the number of Re-Transmission in HARQ in 5G
I am working on a 5g project, and in order to understand 5G, I need to understand the Physical layer HARQ properly. I am thinking of limiting the number of retransmissions by HARQ and checking the ...
-1
votes
1
answer
33
views
Does a VPN encryption get stripped from data during cellular transmission?
These phones have all the generations of connectivity but “only use 5G.”
On top of that the new GPS Satellite iPhone feature for people that get lost does a VPN protocol work for that, what about ...
0
votes
1
answer
62
views
Data usage counting in LBO roaming mode
When roaming in Local Break Out (LBO) the data stays within the VPLMN and the data has not to be forwarded to the SMF and UPF of the 5G core of the HPLMN. While this is attractive for the latency I'm ...
0
votes
0
answers
48
views
Time synchronization at network Level
Let suppose we have a scenario where we are getting 5G network and its phase and time synchronization for the radio interface is PTP(precision time protocol). Using that 5G network I have my local ...
0
votes
1
answer
53
views
point-to-point at IP layer
I was reading one of 5G standards specifying signalling transport https://www.etsi.org/deliver/etsi_ts/138400_138499/138472/15.06.00_60/ts_138472v150600p.pdf and noticed (section 6):
The IP layer of ...
0
votes
0
answers
70
views
5G: Mapping QoS flow to a DRB requiring out-of-order delivery
I understand that 5GNR allows out-of-order delivery for some DRBs by configuring them as such. Also, I understand that a QoS Flow is mapped by SDAP to a DRB based on QoS parameters provided from the ...
0
votes
1
answer
63
views
If a module support NB-IoT and LTE-M, is it a 5G module?
According to the article here, 5G NR (New Radio) doesn't cover low power wide area network (LPWAN). Some descriptions of modules said they support LTE-M and NB-IoT, which are actually considered as 4G ...
0
votes
0
answers
28
views
LTE NR split throughput among different bands and carrier
Using a mobile device I can measure the throughput in download and upload while connected to an LTE and/or NR mobile cell.
If I know the details of the cells to which the device is connected and so I ...
1
vote
0
answers
165
views
5G NR PUCCH format-0
In 5G-NR PUCCH format-0, for multiplexing of UE's (i.e., UE's sharing the same RB for resource allocation) which are sending the same/different HARQ's or SR should have different initial cyclic shift(...
1
vote
0
answers
29
views
5g authentication method for IoT [closed]
While i was studying authentication methods in 5g i bumped into 3 authentication methods that seems to be the most important ones: 5G-AKA,EAP-AKA,EAP-TLS.
Which one of these three could be more ...
2
votes
1
answer
133
views
Is MIMO equivalent to link aggregation?
Is MIMO the wireless version of link aggregation in wired networks?
I'm not asking if MIMO is a similar link aggregation protocol like LACP or PAgP, what I'm asking is if it is the same concept as ...
1
vote
1
answer
163
views
Packet scheduling in LTE/5G core network components
Scheduling algorithms must be used on the radio side of these technologies in order to map radio sources to incoming/outgoing data packets and satisfy quality of service requirements such as latency ...
1
vote
0
answers
130
views
What is the difference between SDN node and SDN enabled Base station? [closed]
I am pretty sure every network engineer would have heard about "SDN" i.e. Software Defined Network, the base of 5G network. Very soon we will be enjoying 5G in our smartphone :)
I have a doubt ...