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Introduction of Fourth-Generation Cellular Communication System



Third Generation Cellular Communication(3G) 

3G networks provide the ability to transfer voice data and non-voice data (music downloads, emails and instant messaging) over the same network simultaneously.
3G networks deliver broadband capacity and support greater numbers of voice and data customers at lower incremental costs than 2G.

Fourth Generation Cellular Communication (4G)

4G is not one defined technology or standard..............etc

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Fourth Generation (4G) wireless communications



1. What is fourth generation (4G) mobile?


At present the download speed for mobile internet connections in Japan are between 9.6 kbit/s for 2G cellular, up to 128 kbit/s for PHS, typically 200 kbit/s (nominally 384 kbps) for DoCoMo and Vodafone 3G cellular, and 2.4 Mbps for KDDI/AU CDMA2000-1x-WIN service. However, in actual use the data rates are usually slower, especially in crowded areas, or when the n..............etc

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ECE Fourth Year Design Project Database
Secure Authenticated Transceiver 2006.002
Secure delivery of digital content requires end-to-end security in which encryption and decryption occur at the point of analog data I/O. We present a novel communications protocol and a prototype device, the Secure Authenticated Transceiver (SAT), to satisfy this need. The prototype is implemented on an embedded processor on a development board. The envisioned system, in which SATs can open secure, authenticated sessions with one another or with a..............etc

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K.Abhigna
III/IV Btech, ECE.
JNTU,Anantapur.
P.Karuna Sree.
III/IVBtech,ECE.
JNTU,Anantapur


Abstract:

This paper gives a brief idea of how the mobile communication has evolved,its generations. Different generations have been developing since then each generation coming out overcoming previous generation drawbacks.One such technology in fourth generation is OFDM. OFDM based technique looks more promising as a 4G standard surpassing the 3G standards .So,a complet..............etc

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The Framework of the Fourth Party Mobile Integrated Payment Platform Based on Cloud Computing
Abstract
This paper presents a framework for the fourth party mobile integrated payment platform based on cloud computing. The purposes of this paper are as follows: to solve the problem of departments segmentation during mobile payment development, to realize the barrier-free communication and integration of mobile payment industrial Chains, to cut down customer attrition cause by low usability of mobil..............etc

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Fourth generation wireless system


Definition
Fourth generation wireless system is a packet switched wireless system with wide area coverage and high throughput. It is designed to be cost effective and to provide high spectral efficiency . The 4g wireless uses Orthogonal Frequency Division Multiplexing (OFDM), Ultra Wide Radio Band (UWB),and Millimeter wireless. Data rate of 20mbps is employed. Mobile speed will be up to 200km/hr.The high performance is achie..............etc

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