'Diversity gain' presentation slideshows

Smart Antennas for Wireless Systems

1.29k views • 100 slides

802.11n Specification and the use of Space-Time Wireless Channels

802.11n Specification and the use of Space-Time Wireless Channels. Shad Nygren April 27, 2006 Del Mar Electronics Show. Objectives. Discuss the history and present state of the 802.11n specification.

936 views • 82 slides

802.11n Specification and the use of Space-Time Wireless Channels

802.11n Specification and the use of Space-Time Wireless Channels. Shad Nygren April 27, 2006 Del Mar Electronics Show. Objectives. Discuss the history and present state of the 802.11n specification.

1.03k views • 82 slides

ECE 6332, Spring, 2014 Wireless Communication

ECE 6332, Spring, 2014 Wireless Communication. Zhu Han Department of Electrical and Computer Engineering Class 25 April. 23 rd , 2014. Outline. Adaptive Modulation and Coding Diversity Network Basics OSI Model; TCP/IP Model. Adaptive Modulation. Change modulation relative to fading

757 views • 56 slides

Wireless Communication Multiple Input - Multiple Output Systems

1.18k views • 48 slides

Smart Antennas for Mobile Wireless Systems

Smart Antennas for Mobile Wireless Systems. Jack H. Winters. May 6, 2003 jack@jackwinters.com jwinters@motia.com. OUTLINE. Smart Antennas Adaptive Arrays MIMO System Applications Radio Resource Management Conclusions. Smart Antennas. SIGNAL. SIGNAL. BEAM SELECT. SIGNAL OUTPUT.

633 views • 35 slides

Smart Antennas for Wireless System

Smart Antennas for Wireless System. Reference:IEEE Personal Communications,1996.10. JACK H. WINTERS. AT&T LABS-RESEARCH. Reporter:Yi -Liang Lin. Advisor: Prof .Li-Chun Wang. Smart Antennas for Wireless System. Impairment. Smart Antenna Techniques. Diversity. Smart Antennas.

565 views • 30 slides

EEE-752 Emerging Wireless Networks MIMO

EEE-752 Emerging Wireless Networks MIMO. Riaz Hussain FA08-PCE-003 rhussain@comsats.edu.pk Ph.D. Student Department of Electrical Engineering COMSATS Institute of Information Technology Islamabad, Pakistan. Riaz Hussain rhussain@comsats.edu.pk EEE752-EWN: MIMO 1. Goals. Achieve

449 views • 27 slides

12- OFDM with Multiple Antennas

12- OFDM with Multiple Antennas. Multiple Antenna Systems (MIMO). TX. RX. Receive Antennas. Transmit Antennas. Different paths. Two cases: Array Gain : if all paths are strongly correlated to which other the SNR can be increased by array processing;

445 views • 26 slides

MIMO Systems for MANETs

485 views • 20 slides

Cooperative MIMO in Wireless Networks: Where are we?

Cooperative MIMO in Wireless Networks: Where are we?. Srikanth Krishnamurthy. What is cooperation?. Nodes cooperate to jointly transmit information. Instead of contention. Emulate an antenna array -- use of the antenna elements of different nodes jointly.

180 views • 16 slides

Outage-Optimal Relaying In the Low SNR Regime

Outage-Optimal Relaying In the Low SNR Regime. Salman Avestimehr and David Tse University of California, Berkeley. Diversity. Unreliability of fading channels - Diversity gain. Transmit Diversity - Creates more diversity Diversity gain=2.

292 views • 15 slides

Outage-Optimal Relaying In the Low SNR Regime

Outage-Optimal Relaying In the Low SNR Regime. Salman Avestimehr and David Tse University of California, Berkeley. Diversity. Unreliability of fading channels - Diversity gain. Transmit Diversity - Creates more diversity Diversity gain=2.

289 views • 15 slides

Benefits of Adaptive Antennas in CDMA Networks

Benefits of Adaptive Antennas in CDMA Networks. Steve Kuo. Conventional Transmission. Omnidirectional/sectorized radiation and reception Only a tiny fraction of radiated power on uplink or downlink is available to the receiver

225 views • 15 slides

Hybrid-Selection Optimum Combining

Hybrid-Selection Optimum Combining. Jack H. Winters Moe Win. AT&T Labs - Research Middletown, NJ USA May 7, 2001. OUTLINE. Introduction Single Link Results Cellular Performance Conclusions. W 1. Output. ?. Output. W M. Diversity Techniques. Selection :.

285 views • 12 slides

ECE 5221 Personal Communication Systems

ECE 5221 Personal Communication Systems. Prepared by: Dr . Ivica Kostanic Lecture 6: Link budgets and nominal cell planning. Spring 2011. Outline . Vehicle penetration losses Building penetration losses Aggregate fade margin Link budget evaluation Examples.

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