Please send me circuit diagram of advanced mobile phone signal jammer for gsm cdma and 3g networks with prescheduled time duration using arm 7 tdmi processor and its description,working and related things to email id- [email protected] ....etc

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CELLULAR AND MOBILE COMMUNICATIONS DS-CDMA
Presented By:
V.VIJAYA KUMAR, IV B.Tech E.C.E
SREE VIDYANIKETHAN ENGINEERING COLLEGE ,TIRUPATI


ABSTRACT

So far transmission errors have been described as evil entity in communication literature. Introducing error intentionally can save power and reduce interference. This has been proved by scientists Jik Dong Kim (South Korea), Sang Wu Kim (USA) and Young Gil Kim (South Korea). It is about combined power and error control in multicarrier DS-CDMA systems ....etc

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CDMA Mobile Communication & IS-95
 Most of the slides are stolen from Prof. Abhay Karandikar’s lecture
 Spread Spectrum Priniciples
 Does not attempt to allocate disjoint frequency or time slot resources
– Instead, this approach allocates all resources to simultaneous users, controlling the power transmitted by each user to the minimum required to maintain a given SNR
 Each user employs a noise-like wideband signal occupying the entire frequency allocation
 Each user contributes to the back ....etc

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Presented by:
Ritesh Pratap Singh and Neha Singh


Abstract--Mobile phones are the most commonly used devices in today’s scenario. The Multimedia Messaging Service (MMS) has became very popular for sending messages containing multimedia objects such as images, audio, or video clips among mobile users. Alongside, the need for the secure communication became more imperative. Steganography is the most reliable technique for hidden communication. Hiding information, especially in images has been an alternative so ....etc

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sms based wireless electronic notice board ....etc

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please send me circuit diagram of sms based wireless electronic notice board using gsm cdma 3g mobile phone
please send me circuit diagram of sms based wireless electronic notice board using gsm cdma 3g mobile phone information ....etc

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MOBILE COMMUNICATION 3G CDMA


ABSTRACT

Cellular technology
Developed by Quamcomm
Originally known as IS-95
Competes with GSM
CDMAONE,CDMA2000
Variants 1XEV,1XEV-DO,MC3X

INTRODUCTION

What is CDMA
Multiple Access Comparison
FDMA - Frequency Division Multiple Access
TDMA - Time Division Multiple Access
CDMA - Code Division Multiple Access

BENEFITS Of CDMA
Cdma capacity increases
Improved call quality
Simplified system planning
Enhanced priva ....etc

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SMS Based Wireless Electronic Notice Board using GSM/CDMA/3G Mobile Phone
ABSTRACT
Notice Board is primary thing in any institution / organization or public utility places like bus stations, railway stations and parks. But sticking various notices day-to-day is a difficult process. A separate person is required to take care of this notices display. This project deals about an advanced hi-tech wireless notice board.
The project is built around the ATMEGA8L micro controller from Atmel. This micro ....etc

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please i want cloning cdma phone pictures ....etc

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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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