submitted by:
Ramhari Bhapkar
Anup Gholkar
Abhijeet Kumbhojkar


CO CHANNEL INTERFERENCE REDUCTION IN GSM
Introduction to Cellular Systems
 Solves the problem of spectral congestion and user capacity.
 Offer very high capacity in a limited spectrum without major technological changes.
 Reuse of radio channel in different cells.
 Enable a fix number of channels to serve an arbitrarily large number of users by reusing the channel throughout the coverage region.
Frequency Reuse
....etc

[:=Read Full Message Here=:]

difference between plasma antenna and taditional antenna
....etc

[:=Read Full Message Here=:]

presented by:
Rahul Singh
Nafisur Rahman


Intercarrier Interference Compression in OFDM Communication Systems by Using Correlative Coding
1. Orthogonal Frequency Division Multiplexing(OFDM)
1.1 Introduction
Over the past few years , there has been increasing number of users of mobile/movable non wired communication than wired communication system. At present, in addition to voice services only low bit data rate are available to mobile users. The mobile radio channel is characterized by multipath reception ....etc

[:=Read Full Message Here=:]

CELL PHONE INTERFERENCE IN IR PLANES

Presented By:
K.RAJESH KUMAR N.VIDYA SAGAR REDDY

R.G.M.C.E.T.
Abstract:

The advent of cell phones has made single connected network.Communications between people have become an easier task and hence there is growth every where.But this use of cellular communication is restricted in airplanes due to the threat that cell phones frequencies might interfere with that of the air planes electronic equipments(cockpit electronics) In this paper we have proposed ....etc

[:=Read Full Message Here=:]

Electromagnetic Interference (EMI) & Electromagnetic Compatibility (EMC)

INTRODUCTION

¢ EMI-

It consists of any unwanted conducted or radiated signals of electric origin that can cause degradation in system or equipment performance.

¢ EMC-

It is the ability of the system to function as designed without any degradation in performance due to EMI with in the operational environment


Classification of EMI

¢ INTRASYSTEM EMI-

EMI problems with in the system one is dealing with.

¢ INTERSYSTEM EMI-

EMI problem ....etc

[:=Read Full Message Here=:]

I want to some reference ppt for co channel interference mitigation ....etc

[:=Read Full Message Here=:]

Reliable Adaptive Modulation and Interference Mitigation for
Mobile Radio Slow Frequency Hopping Channels

Abstract—

The Long Range Fading Prediction algorithm for
Slow Frequency Hopping (SFH) systems is proposed and demonstrated
to enable combined Adaptive Modulation and adaptive
Frequency Diversity to mitigate the effects of fading and partialband
interference. Significant performance gains are demonstrated
relative to non-adaptive methods in realistic mobile
radio SFH channels where the total ba ....etc

[:=Read Full Message Here=:]

Layer Reassignment for Antenna Effect Minimization in 3-Layer Channel Routing


Abstract

As semiconductor technology enters the deep submicron em, reliability has
become a major challenge in the design and manufacturing of next generation
VLSI circuits. .ln this paper we focus on one reliability issue - the antenna
effect in the context of s-layer channel routing. We first present an antenna effect
model in Z-layer channel routing and, based on this, an antenna effect cost
function is proposed. A layer ....etc

[:=Read Full Message Here=:]

Influence of target to substrate spacing on the
properties of ITO thin films
Aldrin Antony, M. Nisha, R. Manoj, M.K. Jayaraj
*
Optoelectronics Device Laboratory, Department of Physics, Cochin University of Science & Technology, Kochi 682022, Kerala, India
Received 3 October 2003; received in revised form 3 October 2003; accepted 16 October 2003
Abstract
Indium tin oxide thin films were deposited at room temperature on glass substrates by RF magnetron sputtering. The
structural, electrical and optical properties of the films showed a dep ....etc

[:=Read Full Message Here=:]

ABSTRACT :-
A SQUID (for superconducting quantum interference device) is a very sen
isitive magnetometer used to measure extremely weak magnetic fields, based on superconducting loops containing Josephson junctions.
SQUIDs are sensitive enough to measure fields as low as 5 aT (5×10−18 T) within a few days of averaged measurements. Their noise levels are as low as 3fT•Hz-½. For comparison, a typical refrigerator magnet produces 0.01 tesla (10−2 T), and some processes in animals produce very small magne ....etc

[:=Read Full Message Here=:]