Questions tagged [mobile]
A tag for discussion of "mobile", topics on how the mobile devices proceed to access mobile services
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How can a router that can connect to both a TD-LTE network and a mobile phone network determine which type of equipment to connect to?
From what I understand so far, the equipment installed on the BTS that TD-LTE routers receive internet from is different from the equipment that mobile phones receive internet from. I want to know how ...
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LTE network open for all users (no AKA procedure)
I was wondering if there is some way a LTE network can operate in a way that it allows any user to connect to it without having to be registered on its HSS database.
I know the normal mode of ...
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Is GSM developed anymore?
Is the GSM standard/spesification developed anymore? Does the GSM spesification/paper get any updates anymore?
Are UMTS, LTE, 5G NR versions of the GSM standard or separate standards? Of course them ...
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What is terminal adapter?
What exactly is an terminal adapter (TA) in an mobile station? Why a terminal equipment (TE) and an mobile termination (MT) can't communicate directly via AT protocol? Why it needs this separate ...
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Why mobile communication protocols have *G umbrella names?
Why mobile communication protocols have *G umbrella names, like 1G, 2G, 3G, 4G and 5G? Who order them? And most inportantly, have them any technically defitions?
I mean, actually protocols are GSM, ...
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In LTE, which occurs first during mobile attachment: RRC Connection or NAS Procedure?
I'm digging into the LTE attachment procedure and I'm trying to understand the correct sequence of events. During the initial attachment of a mobile device to an LTE network, there appears to be some ...
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A new pattern of IPv6 addresses in mobile network [closed]
When I checked the IPv6 addresses in a mobile network from the log, I found a strange IPv6 IID configuration pattern. As shown below, the common part of the IID of IPv6 addresses is :1:0:.
2401:4900:...
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Who officially declares cellular network technology?
There are 4 to 5 cellular network technology
1G
2G
3G
4G
5G (upcoming maybe)
But who actually defines or officially says that this will be the next cellular technology? which organization or which ...
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What is the maximum data throughput of mobile data on the 800MHz range? [closed]
When it comes to auctioning spectrum licenses, I see that spectrums 10MHz wide seem to fetch higher prices (i.e. in South Africa at least - https://www.biznews.com/sa-investing/2020/12/24/telkom-sues-...
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Why is the VPN throughput reduction different when using a cellular network and when using Ethernet? [closed]
I built a VPN server using openvpn as a protocol and measured the throughput between server and client.
There are significant throughput reduction at cellular network. Throughput decreased by more ...
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Authentication center in GSM
We know that the AuC (Authentication Center) is used to identify GSM subscribers in the case of roaming or when the subscriber is requesting access to mobile network for the first time. But, I'm ...
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What is the size of an empty 4G network packet (with TCP/IP)?
Fellow users,
What is the size of an empty 4G packet (LTE Protocol Stack) with TCP/IP?
I'm not looking for the MTU, but the minimum number of bytes necessary to build a LTE Protocol packet with TCP/IP....
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148
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Why do we need to aggregate frames into a multiframe in GSM networks?
I'm struggling to understand the need for frame aggregation into the multiframe and other higher level frames.
What exactly do we gain with the aggregation? Is this for synchronisation purposes across ...
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Mobile hotspot device vs phone personal hotspot [closed]
We are going to an island in Maine which has "Fair" 4G LT coverage per our carrier (TMobile). We would like to maximize our networking ability so we can work remotely. What is the best way to do ...
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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 ...
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