Stack Overflow
Stack Overflow

Questions tagged [telecommunication]

Telecommunication domain relates to wireless standards like GSM, GPRS, UMTS, LTE, WiMAX, IEEE 802.11. Programming questions related to 1G,2G,3G,4G,5G Cellular Communication can be asked here.

For more details see:

342 questions
2
votes
1 answer

I would like to create a security domain on eUICC using ES3.CreateISDP function

I'm trying to create a new raw/empty ISD-P on eUICC. Correct me if I'm wrong, first I should send INSTALL COMMAND (i.e. 80.E6.0C.00.Length.DATA.00) to ISD-R through SCP80 channel (putting INSTALL COMMAND in the secured data field of command packet…
Satan
  • 133
  • 6
2
votes
1 answer

Working with complex numbers in real time with GNU Radio

I need to work with data received from the USRP (using the gr-sounder to be specific), and I'm not exactly sure how I would do that. Are there any python packages I can use to work with the data, and more specifically, how would I use them. To be…
BDuelz
  • 3,890
  • 7
  • 39
  • 62
2
votes
1 answer

How to generate and receive 16 QAM signal in python?

I want to plot the SNR vs BER plot for 16 QAM. I need help in generating QAM signal I tried generating it but I'm not sure if it is right for n in range (0, itr): EbNodB = EbNodB_range[n] EbNo=10.0**(EbNodB/10.0)#antilog of SNR …
Abi rami
  • 21
  • 3
2
votes
1 answer

What is the difference between Cell Specific Reference Signal (CSRS) and RSSI scan?

UE initial attach procedure : RSSI scan. Subframe and frame synchronization using pss and sss. listening to Cell specific reference signals MIB info SIB1 SIB2 and so on... From documents available in Internet, I came to know that, when we power on…
Murali Krishna Bellamkonda
  • 407
  • 5
  • 16
2
votes
2 answers

Does Short message from CS/PS domain to a UE in same domain has to reach to the IP-SM-GW?

think that the short message originated from circuit switched/packet switched network(legacy network) has to terminate in the same network. if there is an IP-SM-GW, does the short message have to go through the IP-SM-GW anyway?
anonymous
  • 57
  • 7
2
votes
1 answer

lxc-start: controller: lxccontainer.c: wait_on_daemonized_start: 842 Received container state "STOPPING" instead of "RUNNING"

when i run the config file config file sudo lxc-start -n controller -d it gives me this error lxc-start: controller: lxccontainer.c: wait_on_daemonized_start: 842 Received container state "STOPPING" instead of "RUNNING" lxc-start: controller:…
Shahrukh Ali Khan
  • 31
  • 5
2
votes
1 answer

Carrier frequency of a channel, bandwidth and modulation

I don't understand the meaning of carrier frequency with respect to a transmission channel and the modulation phase with respect to the carrier frequency. I'm at a beginning level, so I try to explain what I get: "the carrier frequency of a channel…
alex_the_great
  • 59
  • 1
  • 6
2
votes
2 answers

Is my public IP really unique?

I'm asking about if the IP address of my router (my "public" IP address) is actually unique, i.e. it is not shared with other routers/hosts over the Internet. If it is the case, I imagine that there will be some NAT policies applied by my ISP, which…
Marco Favorito
  • 390
  • 3
  • 14
2
votes
2 answers

Sql Query to get count from another row

MenuID PreMenuID Type P2000 BS02 p P8001 P2000 x Hi Experts i have table structure given above which indicates menu id as main id and PremenuId Indicates the previous menu from which call is transferred. Now type=x means there…
ashish jayara
  • 95
  • 1
  • 10
2
votes
0 answers

General Packet Radio Service "GPRS" Simulator

I found a SMS, USSD and voice simulators By "RestComm". Is there a GPRS simulator using restcomm library or any?
Mohammad Alkhader
  • 53
  • 9
2
votes
2 answers

OpenAirInterface EURECOM: how to run mme

we are trying to run OAI (https://gitlab.eurecom.fr/oai/openair-cn) on our machine I have run hss, psgw w/o any issues. But i can't start mme ./run_mme returns error: Initializing OAI Logging Initializing MSC logs Initializing MSC logs…
hamsterksu
  • 125
  • 10
2
votes
1 answer

What are the differences between On-net calls and Off-net calls?

What are the differences between On-net calls and Off-net calls? How could I make international call under On-net call?
high sense
  • 77
  • 1
  • 1
  • 6
2
votes
0 answers

Replicating an answering machine in C# or C++ with TAPI 3.1 or AT Commands

Figured my question was too vague so going to make smaller questions asking more specific details.
silverzx
  • 1,209
  • 4
  • 14
  • 18
2
votes
1 answer

Can we generate DTMF tones using python?

i am keen to know whether we can generate a DTMF tones using python? If yes then is there any library to do so? I have checked on the net there i could find sample program to decode the DTMF tones but not vice-versa. It would be great if anyone can…
Rise
  • 820
  • 4
  • 18
  • 33
2
votes
1 answer

CSTA Link to Hipath 3000 (CSTA II or III) on perl

I need some infos about how i connect to a Hipath 3000 Series on the CSTA Interface. I need a quickstart for the connect ... maybe someone with experience on Perl and howto make CSTA Link ? Thanks a lot
neuling_listener
  • 51
  • 1
  • 6
1 2 3
…
22 23