Author: Dong-Hahk Lee Anna Choi Jun-Mo Koo Jin-Ick Lee Byung Moo Kim
Central Res. & Dev. Lab., SK Telecom, Sungnam City, South Korea;


Abstract:

This paper presents the design, implementation and test results of a complete wideband CDMA modem with a modulator and a demodulator for use in next-generation mobile stations. The modem is based on NTT DoCoMo's proposal for the next generation W-CDMA air interface. The modulator supports multicode transmission capability, which enables three dedicated physical channels to be t ....etc

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SMS GATEWAY (GSM MODEM BASED)


Submitted by

GAURAV MALLICK (07BCE115)
HARDIK CHAWDA (07BCE124)
GEETHIKA REDDY (07BCE116)




GSM MODEM

A GSM modem is a wireless modem that works with a GSM wireless network. A wireless modem behaves like a dial-up modem. The main difference between them is that a dial-up modem sends and receives data through a fixed telephone line while a wirel ....etc

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HOME AUTOMIZATION SECURITY SYSTEM USING GSM MODEM WITH SMS
To design a prototype for Home Atomization security system using GSM
Description:
In this project Home automation is controlling of light, climate, doors and window shutters and multimedia entertainment systems. In this project we are going to develop an embedded system, which will control all these devices with commands from a Remote device through GSM communication. In this project we are using 8051 based microcontroller for controlling t ....etc

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REMOTE BILLING OF ENERGY METER/WATER METER USING GSM MODEM
ABSTRACT:
Every month we can see a person standing in front of our house from Electricity board whose duty is to read the energy meter and handover the bills (electric or water) to the owner of that house . This is nothing but meter reading. According to that reading we have to pay the bills. The main drawback of this system is that person has to go area by area and he has to read the meter of every house and handover the bills. The Electricity board aut ....etc

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please,i need the shematic diagram of the GSM Modem and that to make it
thx
bola boahra ....etc

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please provide the whole concept of communication of how to send an sms automatically using GSM modem ....etc

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Please remove the comcast.net outgoing spam blocker from [email protected]. People with comcast.net addresses cannot receive mail from my libero.it account. Thank you.
Wylie Miller ....etc

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Much of the signal processing performed in modern wireless
communications systems—such as digital modulator/demodulator
applications—takes place in the digital domain and requires high
throughput. Dedicated hardware can provide the processing capability to
meet this requirement. The parallel processing capability of Altera®
programmable logic devices (PLDs) makes them ideal for
baseband/intermediate frequency (IF) digital signal processing
applications.
The direct sequence spread spectrum (DSSS) digital modem reference
design is ....etc

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infostrada is a brand name of Wind Telecomunicazioni an Italian telecom operator which offers integrated mobile, fixed and IPTV..

Wind Telecomunicazioni is the third largest mobile phone company which operates in Italy..and Wind currently runs a GSM (900/1800/E900), GPRS, EDGE, UMTS (videocall and mobile broadband) and HSDPA network ....etc

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1.0 INTRODUCTION
This project is based on GSM MODEM & PIC16F877Aµcontroller.
For doing this project we use some of the software like
 Embedded C for programming the application software to the microcontroller.
 Protel schematic software is used for designing the circuit diagram for this project.
 Express PCB software is used for designing the PCB for this project.
(Since PCB making is a big process and involves lot of machineries which are expensive, we are going to outsource this to the man ....etc

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