'Advanced mobile phone system' diaporamas de présentation

Lecture 10

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The Physical Layer

The Physical Layer. Chapter 2. The Theoretical Basis for Data Communication. Fourier Analysis Bandwidth-Limited Signals Maximum Data Rate of a Channel. Bandwidth-Limited Signals. A binary signal and its root-mean-square Fourier amplitudes.

739 views • 62 slides

3G AND 4G TECHNOLOGY

3G AND 4G TECHNOLOGY. BY, SHUJATHULLA SHARIFF. THE GENERATIONS OF MOBILE TECHNOLOGY. First generation:- Almost all of the systems of this generation were Analog systems where voice was considered to be the main traffic.

1.54k views • 61 slides

3G AND 4G TECHNOLOGY

3G AND 4G TECHNOLOGY. BY, SHUJATHULLA SHARIFF. THE GENERATIONS OF MOBILE TECHNOLOGY. First generation:- Almost all of the systems of this generation were Analog systems where voice was considered to be the main traffic.

662 views • 61 slides

Multiplexing

Multiplexing. 6 ? ??? (Multiplexing). Dividing a link into channels. Word link refers to the physical path Channel refers to the portion of a link that carries a transmission between a given pair of lines. ??? (Multiplexing). ??? ( Multiplexing )

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Wireless Communications

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Wireless WANs C hapter 16

Wireless WANs C hapter 16. Cellular Telephony. Designed to provide communication between two mobile (moving) units, called mobile stations (MSs), or between one mobile unit and one stationary unit, often called a land unit.

455 views • 33 slides

In-Building Wireless Networks

In-Building Wireless Networks. Mitchell Shnier Lance Communications. Toronto Users Group. March 19, 2003. Wireless Local Area Networks. Overview motivation and perspective Background history and standards Management configuration and security Applications Hot Spots and AS/400s.

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Cellular Wireless Networks

Cellular Wireless Networks. Introduction. Cellular technology is the underlying technology for most mobile wireless communications and data transfers Main concept: Use of multiple low-power transceivers

730 views • 29 slides

Cellular Wireless Networks

Cellular Wireless Networks. Introduction. Cellular technology is the underlying technology for most mobile wireless communications and data transfers Main concept: Use of multiple low-power transceivers

569 views • 29 slides

Chapter 6

Chapter 6. Multiplexing. Multiplexing is a set of techniques that allows the simultaneous transmission of multiple signals across a single data link. Multiplexer combines the incoming lines into one [single stream].

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IWD2243 Wireless & Mobile Security

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4G Cellular Systems

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Cell Phones(:

Cell Phones(:. What are Cell Phones?. By: Briana Henderson & Erin James. Definition of Cell Phones. Cell phones: A hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver. . History of Cell Phones/Timeline .

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CDMA/FDMA/TDMA

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Innovations In Wireless Communication

Innovations In Wireless Communication. Travis Heminger Nikolay Abdrakhmanov. Presentation OverVIEW. Early Mobile Devices - Slides 3 - 4 Current Mobile Networks - Slides 5 - 6 Future Research for Worldwide Cellular Communication - Slide 7 802.11 Standard - Slides 8 - 9

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EVOLUTION OF WIRELESS COMMUNICATION

EVOLUTION OF WIRELESS COMMUNICATION. SHUSHRUTHA K S. AMPS. The Advanced Mobile Phone System is one of the earliest commercial cellular systems.

719 views • 8 slides