Questions tagged [cdma]

Code division multiple access (CDMA): the channel access method. Also common name for mobile phone standards cdmaOne, CDMA2000...

More info:

  1. http://www.pcmag.com/encyclopedia_term/0,1237,t=CDMA&i=39462,00.asp
  2. http://cellphones.about.com/od/phoneglossary/g/cdma.htm

CDMA, or Code Division Multiple Access, is a competing cell phone service technology to GSM, which is the world’s most widely used cell phone standard.

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How to find the IP Address of HTC Incredible on a CDMA Network

How can I find the IP address of the an HTC incredible connected to Verizon's network? My other question - do I have to make any changes to my App to run it on a cellular network? Till now the App was running on a Nexus One connected to a local…
Soumya Simanta
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How do cellular networks verify a device's identity?

When a cell phone connects to a tower, how does the tower identify the device, ensure that it is actually the device that it claims to be, and secure the communication? Is it different for CDMA networks and devices? Is the process different when a…
Kramer
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Matlab function block Slows down Simulink simulation drastically

I am trying to add a matlab function block to a simulink model available in all matlab installations (commcdma2000). Adding a matlab function block slows down the simulation very drastically. I am using the standard malab function block instead of…
Rakesh
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Base Station Identifying Code (BSIC) iPhone

Is it possible to get the Base Station Identifying Code (BSIC) programmatically? It doesn´t matter if Apple would reject The Application. I just want to know weather it is possible or not! I already looked into the Core-telephony Framework, but I…
davidOhara
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getting International Mobile Subscriber Identity (IMSI) in win32 application

I am developing a application, where I need to display the IMSI number from data card which has been plugged in to a vista system.I am using visual studio 2005 and microsoft SDK. Is there any way to access the IMSI number of the data card(both GSM…
Vinayaka Karjigi
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Using Arduino Uno to log GSM Air interface messages

Is it possible to log the GSM Air interface messages that are sent between a GSM module and the GSM/WCMDA network using an Arduino Uno? Basically, I want to log/record all the GSM messages of the Air interface (for example, paging command, CM…
user2031865
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Send data over voice call

Is it possible to send some binary data over voice call? i.e. "client" calls "server's" number and sends encoded data as sound? And what estimated speed can be achieved using CDMA?
XoJIoD
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Locating GSM Cell information for any android device Using AT Commands

I would like to retrieve Network information from any Android device. I know i could use it as a modem (when connected to a PC) and then call AT+KCELL which is exactly what i need - yet i have no idea how to do this while a user isn't operating (IE…
Aiden Strydom
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How does MSC forward a SMS to the mobile

What is the role of BSC and BTS in forwarding the message to the mobile..
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forward SMS messages to EMail (looking for cheap way)

I'm not sure if this question is within the goal of this site, but I'm sure it has lots of smart IT guys that can help. I have about 50 phone numbers (real GSM SIM numbers, not VOIP), and I'm getting texts to all of them. Is there any possible way…
John Smith
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SmsManager.sendTextMessage from a BroadcastReceiver does nothing on CDMA phones

I've got a BroadcastReceiver that handles the android.provider.Telephony.SMS_RECEIVED action, and sends a text message as a reply in certain cases. My app has the android.permission.SEND_SMS, and works fine on GSM phones. However, it doesn't work on…
dririan
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When data connection is lost while a call is started on CDMA?

I have an application that works while a call is made. Sometimes I need data. If I'm on a device with CDMA network and there is no WiFi I'm loosing the "data" from the network operator. I know that is a CDMA limitation. I just want to know when is…
danysz
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Why is my BER become constant, is my code incorrect?

I am working to simulate the BER between 2 users in CDMA with convolutional codes and modulation scheme of QAM-16. From the graph i've attached, the BER of user 1 and user 2 are the same and constant. It seems that the SNR does not affect the…
Ms Nas
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Huawei Cdma Modem, How can send sms via C# App OR AT command

I've huawei EC156 cdma modem, I tried to send SMS via AT commands with many commands, But always received response "command not support". I have used the following commands: 1- AT+CMGS 2- AT + GWWC Also, I didn't find any C# Libraries dealing with…
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Android facebook app on CDMA devices

I've an android facebook application.It works fine on GSM devices.But not on CDMA devices. Will it run on both GSM & CDMA devices?
sanjay
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