'Frequency division multiple access' presentation slideshows

How Cell Phones Work

How Cell Phones Work. LUCID Summer Workshop July 27, 2004. An Important Technology. Cellular telephony is one of the fastest growing technologies on the planet. Presently, we are starting to see the third generation of the cellular phones coming to the market.

1.13k views • 88 slides

Media Access Control Chapter 6

Media Access Control Chapter 6. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A A A A A. Home Automation. Cooperative Lights, Blinds, Fans Energy Monitoring Security Intrusion Detection Fire Alarm Digitalstrom EU: 10 billion electrical devices

988 views • 81 slides

Medium Access Control (MAC) and Wireless LANs

Medium Access Control (MAC) and Wireless LANs. Outline. Wireless LAN Technology Medium Access Control for Wireless IEEE 802.11. Wireless LAN Applications. LAN Extension Cross-building interconnect Nomadic Access Ad hoc networking. LAN Extension.

1.11k views • 64 slides

Wireless# Guide to Wireless Communications

Wireless# Guide to Wireless Communications. Chapter 3 Understanding Radio Frequency Communications. Objectives. List the components of a radio system Describe how different factors affect the design of a radio system

957 views • 61 slides

Multiple Access Techniques for Wireless Communications

Multiple Access Techniques for Wireless Communications. 2005/07/06 Weng Chien-Erh. Table of Contents(1). Introduction FDMA TDMA CDMA SS (Spread Spectrum) FHSS DSSS Hybrid. Table of Contents(2). Packet Radio Pure ALOHA Slotted ALOHA CSMA Reservation Protocol Reservation-ALOHA

1.64k views • 60 slides

Links and LANs

Links and LANs. EE 122: Intro to Communication Networks Fall 2010 (MW 4-5:30 in 101 Barker) Scott Shenker TAs: Sameer Agarwal, Sara Alspaugh, Igor Ganichev, Prayag Narula http://inst.eecs.berkeley.edu/~ee122/

687 views • 58 slides

Multi-user Detection

Multi-user Detection. Gwo-Ruey Lee. Outlines. Multiple Access Communication Synchronous CDMA Model/ Asynchronous CDMA Model Single-user Matched Filter Optimum Multi-user Detection Decorrelating Detector Non-Decorrelating Linear Multi-user Detection Decision-Driven Multi-user Detection.

579 views • 56 slides

Wireless Communications Security Issues, Solutions and Challenges

Wireless Communications Security Issues, Solutions and Challenges . Michel Barbeau and Jeyanthi Hall. Outline. Availability Privacy Integrity Legitimate Participants Absence of misbehavior. Security Requirements. Availability no jamming, adaptability to unforeseen topologies Privacy

1.11k views • 53 slides

FirstNet Session 5A April 15, 2014 Speakers: Brandon Abley, Statewide Interoperability Program Manager Brandon.abley@

FirstNet Session 5A April 15, 2014 Speakers: Brandon Abley, Statewide Interoperability Program Manager Brandon.abley@state.mn.us Mark Navolio, Televate LLC Project Manager MnFCP FirstNet Consultation Project. Agenda. Quick Introductions Act establishing FirstNet

666 views • 52 slides

Cellular Communication

676 views • 48 slides

Introduction to OFDM

Introduction to OFDM. Fire Tom Wada Professor, Information Engineering, Univ. of the Ryukyus Chief Scientist at Magna Design Net, Inc wada@ie.u-ryukyu.ac.jp http://www.ie.u-ryukyu.ac.jp/~wada/. What is OFDM?. OFDM =Orthogonal Frequency Division Multiplexing

1.41k views • 39 slides

Introduction to Computer Networks

Introduction to Computer Networks. The Purpose of Networking. Goals: Remote data exchange and remote process control. A few desirable properties: Interoperability, Flexibility, Geographical range, Scalability, Privacy and security . Range of Coverage.

475 views • 39 slides

Introduction to OFDM

Introduction to OFDM. Fire Tom Wada Professor, Information Engineering, Univ. of the Ryukyus Chief Scientist at Magna Design Net, Inc wada@ie.u-ryukyu.ac.jp http://www.ie.u-ryukyu.ac.jp/~wada/. What is OFDM?. OFDM =Orthogonal Frequency Division Multiplexing

1.13k views • 39 slides

CSCI-1680 Link Layer

494 views • 37 slides

Cell Phones and Standards

Cell Phones and Standards. Cell Phones . Standards Cell Phone Technologies 1G, 2G and 3G Determining a standard Wireless Networking. Setting Standards. Three main ways that standards get set in practice:

611 views • 36 slides

Cell Phones and Standards

Cell Phones and Standards. Cell Phones . Standards Cell Phone Technologies 1G, 2G and 3G Determining a standard Wireless Networking. Setting Standards. Three main ways that standards get set in practice:

677 views • 36 slides

B-MAC: Versatile Low Power Media Access for Wireless Sensor Networks

815 views • 35 slides

CHAPTER 5

CHAPTER 5. WIRELESS COMMUNICATIONS. Introduction. Wireless Communications system in which electromagnetic waves carry a signal through atmospheric space rather than along a wire

549 views • 32 slides

Lec#5 part 2

Lec#5 part 2. Multiple Access Methods. Multiple Access Methods. Multiple Access Methods. When nodes or stations are connected and use a common link (cable or air) , called a multipoint or broadcast link, we need a multiple-access protocol to coordinate access to the link.

516 views • 19 slides

Cellular Communication

316 views • 15 slides