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Questions tagged [3g]

For questions about 3G mobile networking and communications standards and their implementations.

535 questions
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android lollipop wifi and 3g active at same time

I'm working on an app that has to take udp packets form a local wifi netwotrk and send them to a server via 3g. I have a hardly working solution for Android 4.4. But for 5.0 and newer I cannot find a solution. This is the solution for 4.4. It drops…
Lyubomir Dinchev
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Any iPhone SDK API available to promote 3G/GPRS over WiFi in an iPhone application

I have a requirement to promote 3G/GPRS over WiFi connectivity in the iPhone application I am developing. Please let me know if this is possible and if yes, how? The problem is when I have a WiFi network which is available and connected but not…
Hardik
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Android Kernel - Switch between network types at runtime

I'm currently working on an experimental Android Kernel (Research). I'actually trying to find some ways to preserve battery charge by implementing a kind of power management tool on the kernel level. I'm working on the msm-hammerahead kernel (used…
Peter P
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Getting Hotplug react when plugging 3G netstick (with mdev)

I'm trying to get a device running embedded linux V-2.6.31 to automatically recognize when a Huawei 3G usb stick is plugged to it, run usb_modeswitch, and communicate with the module. it seems that usb_modeswitch doesn't work well in a system that…
Gilad
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3G USB modem switches back to storage mode after connection is lost

I configured a 3G modem (Novatel Wireless U679 (Ovation MC679)) on a Raspberry Pi running Raspian OS. To switch the modem from storage mode (1410:5059) to modem mode (1410:7031), I use the following command: sudo eject /dev/sr0 I then use Sakis3G…
SBD
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Gobi 2000 WWAN Adapter C# SDK

We have some software running on Windows 7 on a mobile device (Panasonic Toughbook) which needs to initiate a 3g connection to download data. The WWAn adapter in question is a Gobi 2000. Is there any way of controlling the adapter direct from .net…
Jon Hilton
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Ionic Framework no refresh list when navigate

I am creating a mobile app in AngularJS. I call a resource that calls an API to give me values. Everything works fine, but with slow connections or 3G $ scope not cool me, and therefore when browsing the list of items is old. SERVICES.JS …
user1686786
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3g connection no call control when navigate between views angularjs

I 'm creating a mobile application using angularjs and Ionic . One of the parts of the application is to create a list of items by calling a REST API. If I am testing the application from the desktop computer or from your mobile using WIFI ,…
user1686786
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Android 3G Tethering

For a research project, I must work on the design of 3G/WiMAX Access Point (AP) protocols. I have access to 2 Android smartphones. Android devices can become WiFi hotspots for other devices, allowing WiFi tethering. In this scheme, does the Android…
JahMyst
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How to measure network contention

I have rasberry pi with a 3G shield connected to it. Is there a way to gather metrics about the network such as available data capacity/throughput, latency and way to measure contention on the network?
scalauser
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Connect to WWAN modem

I have Mobile Broadband adapter. I need to be able to send AT commands to the modem from code. I can do that using hyperterminal. In my device list Broadband adapter determined as WWAN adapter: I can connect to the modem using hyperterminal: and…
FunctorPrototype
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how to re-factor a web site for 3G?

I have a traditional web site which serves users from desktop computer browsers. I am using Microsoft technologies, like ASP.Net, C#, .Net, SQL Server 2008, IIS and Windows Server 2008. Nowadays, more and more users are using 3G mobile phones, and I…
George2
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iOS 3G & WiFi Connections

I made a test program that log the download speed of a big file. I start downloading the file using WiFi with an average speed of 180KB/s. Then I start the app again downloading the file using 3G with an average speed of 20KB/s. After a few minutes…
Tony
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android 3G socket

I have successfully written that client/server java application, i also configured the port forwarding in my router, now i can perfectly send socket from any network over internet to my server, my problem is when i tried the client code in my…
Sadik anass
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turn 3g on/off android 4.4 or above

My SDK upgraded and I can not enable or disable 3G with code on Eclipse. This code doesnt work anymore. private void setMobileDataEnabled(Context context, boolean enabled) throws ClassNotFoundException, NoSuchFieldException,…
Diego Robles
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