'Directional antennas' presentation slideshows

RF Signal and Antenna

RF Signal and Antenna. Dr. Tahseen Al-Doori. Objectives. Active and Passive Gain Azimuth and Elevation Chart Beamwidth Antenna Types Visual line of sight RF line of sight Fresnel Zone. Antenna Polarization Antenna Diversity Multi-Input-Multi-Output (MIMO).

1.08k views • 74 slides

Minglu Li ( Department of Computer Science and Engineering, Shanghai Jiao Tong University )

On Reducing Broadcast Transmission Cost and Redundancy in Ad Hoc Wireless Networks Using Directional Antennas. Minglu Li ( Department of Computer Science and Engineering, Shanghai Jiao Tong University )

740 views • 60 slides

Lecture 6

Lecture 6. Advance Topics in Networking. Overview. Wireless LAN Standards Wireless LAN Components Access Points, Bridges and Antennas WLANs and the SSID IBSS, BSS and ESS Wireless Channel Setting up Ad hoc Network on WinXP. Wireless LAN Standards.

742 views • 56 slides

Architecture and Evaluation of an Unplanned 802.11b Mesh Network

Architecture and Evaluation of an Unplanned 802.11b Mesh Network. John Bicket, Daniel Aguayo, Sanjit Biswas, Robert Morris. Two approaches to constructing community networks are common. Multi-hop chosen locations directional an high-quality radio linkstennas

531 views • 39 slides

Wireless Community

487 views • 34 slides

The Improvements in Ad Hoc Routing and Network Performances with Directional Antennas

391 views • 33 slides

Enhancing Network Throughput in Wireless Ad Hoc Networks using Smart Antennas

Enhancing Network Throughput in Wireless Ad Hoc Networks using Smart Antennas. Vivek Jain. Outline. Introduction Antenna System Smart Antenna System Enhancing Network Throughput in Wireless Ad Hoc Networks using: Directional Antennas Smart Antennas Conclusions. Introduction.

557 views • 30 slides

Medium Access Control Protocols Using Directional Antennas in Ad Hoc Networks

Medium Access Control Protocols Using Directional Antennas in Ad Hoc Networks. Young- Bae Ko Vinaychandra Shankarkumar Nitin Vaidya Computer Science Texas A&M University. Ad Hoc Networks. Network formed by wireless nodes, all or some of which may act as routers

443 views • 30 slides

Pushing the Envelope of Indoor Wireless Spatial Reuse using Directional Access Points and Clients

Pushing the Envelope of Indoor Wireless Spatial Reuse using Directional Access Points and Clients. Xi Liu 1 , Anmol Sheth 2 , Konstantina Papagiannaki 3 , Michael Kaminsky 3 , Srinivasan Seshan 1 , Peter Steenkiste 1. 1 Carnegie Mellon University 2 Intel Labs Seattle 3 Intel Labs Pittsburgh.

453 views • 28 slides

697 views • 27 slides

Angular MAC: a framework for directional antennas in wireless mesh networks

423 views • 21 slides

Basics of Wireless Networks – Ch. 2 (pp 6-14)

Basics of Wireless Networks – Ch. 2 (pp 6-14). ENTC 455: Wireless Transmission Systems Ana Goulart Assistant Professor Texas A&M University. Existing Wireless Technologies (p.6. Mobile Networks Originator and/or Recipient are in motion Fixed Wireless Networks

454 views • 19 slides

MobiSteer : Using Steerable Beam Directional Antenna for Vehicular Network Access

359 views • 19 slides

Digital TV: Keeping Seniors Connected Campaign Antennas and Reception Issues

Digital TV: Keeping Seniors Connected Campaign Antennas and Reception Issues. Webinar Wednesday, June 10, 2009 2:00-3:00 PM EDT. Digital TV: Keeping Seniors Connected Campaign Webinar Presenter. Moderator:

262 views • 18 slides

Directional Antennas for Ad-Hoc Networks

Directional Antennas for Ad-Hoc Networks. Andy Collins UW CSE 802.11 Seminar 23 July 2003. Problem and opportunity. Ad-hoc networks are limited in capacity More power = fewer hops but more interference Technology will (soon) allow steerable antennas Using phased arrays

293 views • 18 slides

Wireless communication in the areas of difficult propagation conditions

Wireless communication in the areas of difficult propagation conditions. Krzysztof Wierny Radiotechnika Marketing LTD. Military University of Technology. AFCEA's International Student Conference "Students at Work!". AT. AT. AT. AK. AK. AK. STORCZYK Communication System.

286 views • 16 slides

Location Estimation in Ad-Hoc Networks with Directional Antennas

Location Estimation in Ad-Hoc Networks with Directional Antennas N. Malhotra M. Krasniewski C. Yang S. Bagchi W. Chappell 5th IEEE International Conference on Distributed Computing Systems (ICDCS'05 )

255 views • 16 slides

Using Directionality in Mobile Routing

Using Directionality in Mobile Routing. Bow-Nan Cheng ( MIT LL ) Murat Yuksel ( Univ Nevada - Reno ) Shivkumar Kalyanaraman ( IBM IRL ) (Work done at Rensselaer Polytechnic Institute ).

240 views • 15 slides

CELL SECTORING

CELL SECTORING. PREPARED BY: MUHAMMAD TALHA ISLAM SECTION C 2010-TE-054 TELECOMMUNICATION ENGINEERING DEPARTMENT. Sectoring cell splitting keeps D / R unchanged (same cluster size and CCI) but increases frequency reuse/area

688 views • 13 slides

Green Cellular Network with Femtocells

Paper Presentation - 2. Green Cellular Network with Femtocells. Cyber Physical Systems (Green Networks) Prof. Nicholas Maxemchuk Manu Dhundi. Summary. Energy consumption framework to evaluate total energy consumption in a cellular network with femto cells.

315 views • 11 slides