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GSM

Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.

We found 137 threads matching "gsm"

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The most relevant threads are listed first

Re: Which development board and LCD?

=?windows-1252?Q?Glenn_M=F8ller-Holst?= - 14:01 22-09-08
abcd12 wrote: > Hi! > > I am building a simple monitoring system, that would read data from few > sensors and display them on a colour 320x240 LCD. As far as the > microcontroller goes, I'll probably go with ARM9 or ARM7. Do you have any > suggestions about the development board and LCD...Re: Which development board and LCD?

Semiconductor/Hardware Career Opportinity in Telecom Giant (top 5) -Santa Clara

JackChang - 11:31 28-08-08
Hi, Our client, a top 5 telecom giant, have following openings in Santa Clara office. Please send your resume to jackchang@jobirn.com if you are interest, please include the position title. Email: jackchang@jobirn.com ============================== Position List: 1. Senior/Principal A...Semiconductor/Hardware Career Opportinity in Telecom Giant (top 5) -Santa Clara

Need RTOS & SSH for ARM-based remote terminal

Sean_Q_ - 17:50 19-07-08
Processor is Atmel AT91SAM7XC256 connected by GSM modem. The client has specified "encryption". I think it needs a formal RTOS and Secure Shell; client says "get it working ASAP first and we'll add encryption later." Any recommendations? btw the eCosPro SSH middleware seems to be server only, ...Need RTOS & SSH for ARM-based remote terminal

About GSM project

haresh - 10:43 12-07-08
My Last post many friends have problem abt my university. I join this group for help. If i said any thing wrong then sorry. Right I am working project which is using 8051 to connect GSM modem And GPS receiver .Its for tracking vehicle and send MSG on my or any mobile about vehicle location. ...About GSM project

GPS +8051+GSM modem

haresh - 05:33 11-07-08
Hello friends, I am working on project which is Vehicle tracking system, which works on the following principle: 1. GPS system transmit the current longitude/latitude/GMT to MC 2. MC transmit this position information via a SMS to a mobile phone through a GSM device 3. Crystal freequency...GPS +8051+GSM modem

Tranmitting AT command to GSM from 8051

lopamudra - 23:33 06-07-08
Hello, I am developing 8051 based vehicle tracking system and Need SOS help on the following: Assemblly language code for transmitting "SMS" through AT command from 8051 to GSM module. thanks in Advance Lopamudra ...Tranmitting AT command to GSM from 8051

8051 baud rate

lopamudra - 16:01 03-07-08
Hi all, I am working on 8051 based Vehicle tracking system, which works on the following principle: 1. GPS system transmit the current longitude/latitude/GMT to MC 2. MC transmit this position information via a SMS to a mobile phone through a GSM device 3. Crystal freequency is 11.0592 MHz ...8051 baud rate

Re: Flash retention in uC at higher temps, experience?

TheM - 15:49 14-06-08
"Joerg" wrote in message news:i0S4k.1439$LG4.82@nlpi065.nbdc.sbc.com... > Yeah but that would not be cool. 100W at 6ft isn't that much. Many applications must live in plastic boxes and there is always a > chance someone with a 5W contractor radio stands right next to them. Or someone fires u...Re: Flash retention in uC at higher temps, experience?

Synchronizing to a CDMA phone

Tim Wescott - 19:16 20-05-08
I'm working with a customer for a cell-phone network add-on application. The application requires that we listen in on cell phones and gather some data about their QOS at certain antennas. My immediate task is trying to de-spread the signal from a cell phone so I can start doing useful wor...Synchronizing to a CDMA phone

Re: Large Wireless networks?

Paul Keinanen - 05:06 24-04-08
On Thu, 24 Apr 2008 00:53:45 -0400, CBFalconer wrote: > Polling 10k items in 15 minutes > from a single point leaves an absolute max of 9000 / 10k ~= 1 sec > per poll. That ignores any retransmissions needed. You must have short seconds where you live, if you managed to get 9000 int...Re: Large Wireless networks?

ARM board for smartphone

rampup - 11:30 13-04-08
I am looking to build a smartphone based on ARM+linux(android). Please suggest some development board in the range of $300 which offer peripherals used in a smartphone like touchscreen, WIFI, GSM modem with EDGE, Bluetooth, etc. ...ARM board for smartphone

Re: Linux serial port dropping bytes

Ulf Samuelsson - 04:57 08-04-08
> > > > > I agree. The worst part is that it seems that it is becoming more > > > prevalent. The Philips LPC2000 series has got these horrible UARTs, > > > which have been badly implemented as well. If one needs 8 uarts or > > > more, then it seems that only '550 UARTs are available these d...Re: Linux serial port dropping bytes

Re: reading in data from rs232 port, require to resend as an email

Lyn - 03:45 04-04-08
On Apr 3, 9:16=A0pm, Grant Edwards wrote: > On 2008-04-03, Robert Adsett wrote: > > > > > > > > I am reading in some temperature sensor data, via RS232 (actuall= y > > > > > > > converted to =A0USB via a CP2102 =A0), approx every hour into a = Windows XP > > > > > > > P...Re: reading in data from rs232 port, require to resend as an email

Re: SMS sender

Hugh - 07:22 03-04-08
Early Ericsson gsm handsets are easier to use as they are more "open" than the Nokia proprietary interface and commands. Nokia was not strictly AT command set compatible. "ErikAkerfeldt" wrote in message news:3c7e69cb-543e-4f06-b820-292b68f6086c@s19g2000prg.googlegroups.com... > Hi, > ...Re: SMS sender

Help - Nokia 2260 LCD data? Is there a Nokia 2210? Euroguys' input?

larwe - 08:37 28-03-08
I'm making a few (cuneiform) sexagesimal desk clocks out of clay. Hence I've been trying to find some cheap LCDs in old TDMA phones (LCDs from Spark Fun etc. are $9 vs. entire phones from eBay ...Help - Nokia 2260 LCD data? Is there a Nokia 2210? Euroguys' input?

Re: A Challenge for serialized processor design and implementation

Rafael Deliano - 06:04 19-03-08
> I have been think and part time working towards a goal to make useable > and useful serialized processor. The idea is not new, according to Denyer, Renshaw "VLSI Signal Processing A Bit serial Approach" Addison-Wesley 1985 there were machines back in the 50ies, 60ies ( Pilot ACE 1...Re: A Challenge for serialized processor design and implementation

Re: cheapest GSM module

Ranjhith - 05:58 11-02-08
On Feb 9, 1:45 am, "kiranar" wrote: > i want a cheapest GSM modem( no GPRS or edge required). my requirement is > only to send SMS. and i want it to be as simple and as cheap as possible. If you are looking for a Computer+GSM kinda setup, go for an used GSM phone having IR/USB/serial inte...Re: cheapest GSM module

Re: OEM Cellular Modems - Non-Internet - Models, Prices, Experiences ???

07:44 09-01-08
Hi B1ackwater, I looked for a similar modem, and eventually settled for a GSM-based module: TER-GX110 (see http://www.roundsolutions.com/uk_products.htm). This device has an RS232 port, which is easily interfaced to a microcontroller. It supports both GPRS (for "internet" connection), and ...Re: OEM Cellular Modems - Non-Internet - Models, Prices, Experiences ???

Re: how to use microcontroller codings to convert ecg signal to heart rate

karthikbalaguru - 04:14 19-12-07
On Dec 18, 9:56 pm, steve wrote: > On Dec 17, 4:08 pm, "monte" wrote: > > > hi to all, > > if any body could help me out in conversion of ECG signal to heart rate , > > to send it as a message to any mobile for medical usage , i am using gsm > > modem for transmissiom. > > a...Re: how to use microcontroller codings to convert ecg signal to heart rate

Processor core license pirates

Anders - 16:37 14-12-07
I'm working on a design where I need a GSM radio module. I've found a low cost Chinese module that would work, and tried some samples of it - all looks from the technical side. Now my customers raises concerns about using Chinese GSM modules. They say some module makers - especially in China a...Processor core license pirates

Re: Designing PXA270 board

Robert Lacoste - 12:45 04-12-07
Hi, Basically the CM-X270 is a COM module, meaning that is is designed to be plugged on a carrier board as a component through its 140-pin connectors, providing the PXA270 CPU, RAM, up to 512MB of flash and all interfaces you may think of (namely LCD, touchpanel, Ethernet, USB, serial, I2C,...Re: Designing PXA270 board

Re: Tiny block ciphers for embedded systems

Uncle Noah - 12:45 13-11-07
On Nov 13, 3:05 pm, Chris Hills wrote: > Http://www.phaedsys.demon.co.uk/chris/index.htm > > Look under the ciphers button on the top Hi thanks for the link. The A3A8 cipher is interesting and hadn't heard of (part of GSM?). What puzzles me are the modulo operations. Are these neces...Re: Tiny block ciphers for embedded systems

GSM module + microcontroller, video through GPRS

Rakietka - 15:32 11-11-07
Hello, I'd like to build a system, which main purpose is transmitting video from video camera to mobile phone/PDA in real time. I'm wondering if it is possible to get satisfactory quality and frame rate (160x120 and 15-24 fps would be enough) with GPRS technology? I have read manual of Telit GM82...GSM module + microcontroller, video through GPRS

Strange GSM modem behaviour

Rav - 05:47 28-09-07
Hi, I am using one Wavecom 2403A GSM modem interfaced to AVR AT90CAN128 microcontroller. Here, in the code i am sending AT command for sending SMS to an arbitrary cellphone. I am using USART0 of the controller to send the characters to my GSM modem. The AT command and the SMS text, both are h...Strange GSM modem behaviour

Re: Skype is down

larwe - 20:48 16-08-07
On Aug 16, 4:47 pm, Joerg > > POTS is a dying technology, despite glitches in the alternatives. > > I disagree. It is the most reliable system, so far. I didn't say anything whatsoever about reliability. I said POTS is a dying system. In North America, the number of consumer copper line...Re: Skype is down

GSM/GPRS connection from a balloon

Albert Goodwill - 00:52 13-08-07
Hello Everybody, Expert advise required on GSM/GPRS connection; I want to send/receive data to/from a balloon carrying some sensor. Initially balloon will be tight to a rope and will rise gradually in human control. It will send altitude, temperature, humidity, windspeed, GPS data via GSM/...GSM/GPRS connection from a balloon

GSM network time

Anze - 09:10 18-07-07
Hi all! I have tried looking for the information on the Internet, but could find nothing... I hope someone can help me out. I am trying to build a system based on Siemens TC65. It is very important for the application that runs on it to know the exact time (well, +- 1 minute) at all times ...GSM network time

Implementing Microblaze in Xilinx Virtex4 (ML401) ?

moraali - 08:40 18-07-07
Good morning I have a project where I need to embed microcontroller in a Xilinx ML401.This project consist a GSM which connect to a microcontroller(ATMEGA8535) and the microcontroller is eventually connected to Xilinx Virtex4 (ML401).It is actually road traffic light implementation for Emerge...Implementing Microblaze in Xilinx Virtex4 (ML401) ?

Re: Req: (Free) Embedded Platforms for Education

Dominic - 14:13 17-07-07
gouaich wrote: > You all probably know that embedded systems are more and more > considered as hot topics to be though at universities. I will be in > charge of managing a complete course for graduate students on embedded > system with a focus on software engineering and operating systems fo...Re: Req: (Free) Embedded Platforms for Education

chip to support rtp, ipsec?

21:39 16-07-07
Hi, I am working on a device that needs to support voip and security. Need to off-load some stuff from the main CPU. Any one knows a good chipset can support rtp packitization and ipsec? The rtp data (already in GSM EFR or AMR format) will be provided by other part of this device. Thanks...chip to support rtp, ipsec?

newbie question about embedded system project for satelliate communication

08:28 16-07-07
Hello, I am starting a remote monitor project for my course. The basic requirements are these: 1 around 100 remote monitor clients 2=2E clients send data (e.g. sensored data) to a server 3=2E the server can send admin data to clients (e.g. sensor intervial, server url etc). 4=2E User interfac...newbie question about embedded system project for satelliate communication

Re: Low cost iP phone and ATA development

msg - 11:39 25-04-07
Uderman wrote: > Hello. I am involved on a voip project that aims to deliver a complete > voip solution using Asterisk software. We will develop the IP phones, > ATAs, and a GUI for the users configure Asterisk. My tasks relate to > the design and construction of the Ip phones and ATAs. >...Re: Low cost iP phone and ATA development

Re: Where to download GSM 03.40 and 04.11

EventHelix.com - 08:40 15-04-07
> where to download these specifications? googled but not found. thanks. Visit the 3GPP website to download the GSM specifications. The URL is: http://www.3gpp.org/ -- EventStudio 4.0 - http://www.EventHelix.com/EventStudio Sequence Diagram Based Real-time and Embedded System Design Tool ...Re: Where to download GSM 03.40 and 04.11

problem in modem interfacing with microcontroller

abhay - 05:00 09-04-07
hi, i m interfacing GSM modem to my microcontroller.i need to send sms through it. i am using AT commands for that.the command to send sms (AT+ CMGS) must terminate with ctrl-Z.now in my program AT , AT+CMGF = 1, AT+CMGS = mobile no. , "message to be sent " ctrl- Z / 26 / ^Z the pro...problem in modem interfacing with microcontroller

mc55 interface with microcontroller 8051

brvinodh_57 - 21:07 21-03-07
im having problems of interfacing the gsm module "mc55" with microcontroller 8051 the gsm module works properly when i interface it with a pc via a rs232 but with microcontroller the gsm module gives "ERROR" reply for every message sent from microcontroller ...mc55 interface with microcontroller 8051

Re: Atmel releasing FLASH AVR32 ?

Ulf Samuelsson - 17:54 21-03-07
> > Fixed by compiler pragma... > > Easy to say, a bit harder in reality. If you don't care about codesize you > could > align big functions to 512-byte boundaries and pack small functions in the > gaps. But even that is hardly a solution as every minor change in the code > results in ...Re: Atmel releasing FLASH AVR32 ?

Re: Splitting a serial (RS232) port signal?

Ulf Samuelsson - 08:15 13-03-07
"ElderUberGeek" skrev i meddelandet news:1173493940.274968.249830@p10g2000cwp.googlegroups.com... > > I went to sleep and when I woke up.... what a response! Thanks guys. > Well, I see I need to clarify a few things: > 1) I can modify the application in the "master" box (i.e. the one wit...Re: Splitting a serial (RS232) port signal?

Re: Cost analysis for Embedded Linux?

AK - 15:28 11-03-07
Hi, > Am working on a project that aims to device an Embedded System > which has serial input and GPRS output. > > Like this > > Serial data ====> Embedded System (using GPRS modem) ===> UDP/TCP to > internet cloud. > (Input) > (Processing) ...Re: Cost analysis for Embedded Linux?

GSM/GPRS emdedde module

rmalerba@gmail.com - 13:57 09-03-07
Hi guys, anybody knows about module or chip with embedded GSM/GPRS features, I knew Motorola G20/24 but is very expensive for me. Thanks in advance ! Richard ...GSM/GPRS emdedde module

Recommendations for tiny GSM module?

17:40 25-02-07
Hello! I've been wanting to design a phone for a while -- and I'm looking for recommendations for tiny quad-band GSM modules for embedded projects. These things have started turning up for machine-to- machine (telemetry) applications and the like over the past few years. In particular, the Telit...Recommendations for tiny GSM module?
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