Random access memory (RAM) is the best known form of computer memory. RAM is considered random access because you can access any memory cell directly if you know the row and column that intersect at that cell.


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Distributed Medium Access Control for Next Generation CDMA Wireless Networks

Generic Distributed Network Model
we focus on a generic network model where a number of wireless mobile nodes are organized in a flat fashion, communicating with each other via one-hop or multiple-hop connections without any central control. Connections to outside correspondence nodes are supported through a gateway (e.g., in the wireless backbone) or an access point (e.g.,in ad hoc networks or WPAN).
In ....etc

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WiMAX for Broadband Wireless Access
Presented By:
Karim M. El Defrawy
ICS
UCI-2005
Outline
What is WiMAX
802.16 Introduction
802.16 MAC Highlights
802.16 Reference Model
MAC Convergence Sub-Layer (CS)
MAC Common Part Sub-Layer (CPS)
MAC Privacy Sub-Layer (PS)
Questions
What is WiMAX?
Worldwide Interoperability for Microwave Access (WiMAX) is the common name associated to the IEEE 802.16a/REVd/e

standards.

These standards are issued by the IEEE 802.16 subgroup that originally covered the Wireless Local Loop technol ....etc

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ARE NATURAL FIBER COMPOSITES ENVIRONMENTALLY SUPERIOR TO GLASS FIBER REINFORCED COMPOSITES?
INTRODUCTION:-
• Natural fibers have been used to reinforce materials for
over 3,000 years.
• Many types of natural fibers have been investigated for
use in plastics .including , Flax, hemp, jute, straw,
wood fiber, rice husks,wheat,barley,oats .
• Natural fibers have the advantage that they are
renewable resources and have marketing appeal.
• Natural fibers are increasingly used in automotive a ....etc

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pls give details of fiber antennas for free space communicTION ....etc

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Integrated Fiber-Wireless (FiWi) Access Networks
Supporting Inter-ONU Communications



Abstract

Integrated fiber-wireless (FiWi) access networks
provide a powerful platform to improve the throughput of
peer-to-peer communication by enabling traffic to be sent from
the source wireless client to an ingress optical network unit (ONU),
then to the egress ONU close to the destination wireless client, and
finally delivered to the destination wireless client.

INTRODUCTION

NOWADAYS, access can ma ....etc

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This paper compares and contrasts two technologies for delivering broadband wireless Internet access services:3G VS.WiFi. The former, 3G, refers to the collection of third generation mobile technologies that are designed to allow mobile operators to offer integrated data and voice services over mobile networks .The latter, WiFi, refers to the 802.11b wireless Ethernet standard that was designed to support wireless LANs. Although the two technologies reflect fundamentally different service, industry and architectural design goals, origins and ph ....etc

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You hit the power button on your television and it instantly comes to life. But do the same thing with your computer and you have to wait a few minutes while it goes through its boot-up sequence. Why can't we have a computer that turns on as instantly as a television or radio? IBM, in cooperation with Infenion, is promising to launch a new technology that will eliminate the boot-up process. Magnetic random access memory (MRAM) has the potential to store more data, access that data faster and use less power than current memory technologies.

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In this paper I've tried to aware the upcoming System programmers that in this era of Hi-Tech where concepts &things are changing every day how to be secure & also save Important confidential Data , .I've learned about a large amount of system accessing and network attack tool practice in the past and here is what I consider the most common methods for gaining access to a target host. Most will notice that the attacks are not very high-tech. Unfortunately they don't have to be, they just need to work and if you can perform all of these attac ....etc

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fiber antenna for fibre free communication ppts
....etc

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