'Beamforming' presentation slideshows

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Smart Antennas in Cellular CDMA- Systems

Smart Antennas in Cellular CDMA- Systems

Smart Antennas in Cellular CDMA- Systems. Adrian Boukalov adrian.boukalov@hut.fi Helsinki University of Technology Communications Laboratory. Content. 1. Introduction 2. Smart Antennas classification. Basics of Smart Antennas (SA) techniques 3. Smart Antennas in CDMA systems

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832 views • 81 slides
IMT-2000 ? ?? ??? ??? ??

IMT-2000 ? ?? ??? ??? ??

IMT-2000 ? ?? ??? ??? ??. ? ? ?. ?????. IMT-2000 ????. ? ? ? ?. Background Space-Time Propagation Channel General Structure & Operation Considerations for Application Processing Algorithms Testbed & Implementation Issues. CDMA ???? ??.

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758 views • 56 slides
Integrated photonic beamformer employing

Integrated photonic beamformer employing

Integrated photonic beamformer employing continuously tunable ring resonator-based delays in CMOS-compatible LPCVD waveguide technology. C. G. H. Roeloffzen* a , A. Meijerink a , L. Zhuang a , D. A. I. Marpaung a , R. G. Heideman b , A. Leinse b , M. Hoekman b , W. van Etten a .

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694 views • 46 slides
CSI Feedback for MIMO-OFDM Transmission in IEEE 802.11aj (45 GHz)

CSI Feedback for MIMO-OFDM Transmission in IEEE 802.11aj (45 GHz)

CSI Feedback for MIMO-OFDM Transmission in IEEE 802.11aj (45 GHz). Date: 2014-11-5 Presenter: Haiming Wang. Authors/contributors:. Abstract. This presentation proposes CSI feedback schemes for transmit beamforming in IEEE 802.11aj (45 GHz). Introduction (1/2).

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634 views • 40 slides
CSI Feedback for MIMO-OFDM Transmission in IEEE 802.11aj (45 GHz)

CSI Feedback for MIMO-OFDM Transmission in IEEE 802.11aj (45 GHz)

CSI Feedback for MIMO-OFDM Transmission in IEEE 802.11aj (45 GHz). Date: 2014-11-5 Presenter: Haiming Wang. Authors/contributors:. Abstract. This presentation proposes CSI feedback schemes for transmit beamforming in IEEE 802.11aj (45 GHz). Introduction (1/2).

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658 views • 40 slides
NT-12 on Beamforming (BRP)

NT-12 on Beamforming (BRP)

NT-12 on Beamforming (BRP). Date: 2010-05-01. Proposal overview. This presentation is part and in support of the complete proposal described in 802.11-10/432r0 (slides) and 802.11-10/433r0 (text) that: Supports data transmission rates up to 7 Gbps

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367 views • 36 slides
Approaches of Interest in Blind Source Separation of Speech

Approaches of Interest in Blind Source Separation of Speech

Approaches of Interest in Blind Source Separation of Speech. Julien Bourgeois D AIMLER C HRYSLER AG Research and Technology , RIC/AD. 1. Background. - Need of speech-based Human-Machine Interface in cars.

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284 views • 28 slides
Beamforming and Calibration with CASPER

Beamforming and Calibration with CASPER

Beamforming and Calibration with CASPER. Jack Hickish, University of Oxford CASPER Workshop 2009, Cape Town SA. Beamforming & Gateware Calibration. Introduction. CASPER for Students. CASPER for Students. CASPER for Students. Beamforming & Gateware Calibration. Jack Hickish.

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507 views • 27 slides
Marc Moonen Dept. E.E./ESAT-STADIUS, KU Leuven marc.moonen@esat.kuleuven.be

Marc Moonen Dept. E.E./ESAT-STADIUS, KU Leuven marc.moonen@esat.kuleuven.be

Digital Audio Signal Processing Lecture-3: Microphone Array Processing - Adaptive Beamforming -. Marc Moonen Dept. E.E./ESAT-STADIUS, KU Leuven marc.moonen@esat.kuleuven.be homes.esat.kuleuven.be /~ moonen /. Overview. Lecture 2 Introduction & beamforming basics Fixed beamforming

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508 views • 26 slides
UABeam: UAV-Based Beamforming System Analysis with In-Field Air-to-Ground Channels

UABeam: UAV-Based Beamforming System Analysis with In-Field Air-to-Ground Channels

UABeam: UAV-Based Beamforming System Analysis with In-Field Air-to-Ground Channels. Yan Shi, Rita Enami, John Wensowitch, and Joseph Camp Department of Electrical Engineering Southern Methodist University. IEEE SECON, Hong Kong, 2018. Outline. Introduction Existing Works System Design

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303 views • 26 slides
Ocean surface current measurements by WERA HF-radars: Hawaii & Adriatic

Ocean surface current measurements by WERA HF-radars: Hawaii & Adriatic

Cedric Chavanne Pierre Flament University of Hawaii, USA. Ocean surface current measurements by WERA HF-radars: Hawaii & Adriatic. Overview. HOME: Hawaiian Ocean Mixing Experiment Characteristics Calibrations Validations Tidal currents Mesoscale currents

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526 views • 24 slides
Scheduled Spatial Reuse with Collaborative Beamforming

Scheduled Spatial Reuse with Collaborative Beamforming

Scheduled Spatial Reuse with Collaborative Beamforming. Date: 2010-04-30. Authors:. Abstract. Spatial reuse is a key aim for 802.11ad [1] potentially a major increase in aggregate intra-BSS data throughput multiple STAs transmit simultaneously (co-channel)

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390 views • 22 slides
An Overview of Delay-and-sum Beamforming

An Overview of Delay-and-sum Beamforming

DSP Seminar (1 st semester, 2006 - 2007). An Overview of Delay-and-sum Beamforming. Outline. Objective Introduction Delay-and-sum Beamforming Future Works Q & A. Objective. Design a small-dimensional microphone array for beamforming in an acoustic environment with the presence of noises.

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668 views • 18 slides
Slide 1

Slide 1

Project: IEEE 802.15 LED(Light Emitting Diode) Interest Group (IG-LED) Submission Title: [Performance Enhancement for LED-ID Systems by User Cooperation and Beamforming] Date Submitted: [9 th July, 2012 ]

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289 views • 17 slides
Ranging and positioning in UWB ad-hoc networks

Ranging and positioning in UWB ad-hoc networks

Ranging and positioning in UWB ad-hoc networks. Problem definition. Summary. Positioning in UWB networks Ranging techniques Distributed positioning algorithms Open issues. Positioning in UWB networks. Key assumptions: No GPS available

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334 views • 16 slides
Beamforming training for IEEE 802.11ad

Beamforming training for IEEE 802.11ad

Beamforming training for IEEE 802.11ad. Authors:. Date: 2010-05-17. Abstract. The performance of 60-GHz wireless LAN can be significantly enhanced if the receiver beamforming is capable of interference mitigation.

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182 views • 14 slides
Beamforming

Beamforming

Beamforming. Wave-front. Beam axis. No Focusing. Wave-front. Wave-front. ?. ?. ?. Wave-front. Beam axis. ?. ?. ?. ?. ?. ?. ?. ?. Focal point. ?. Beam axis. Focal point. Steering & Focusing = Beamforming. Beam axis.

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335 views • 11 slides
W i 300 MIMO RAKE System Concept

W i 300 MIMO RAKE System Concept

W i 300 MIMO RAKE System Concept. Dual Circular Polarization Diversity Spatial Multiplexing Multipath Mitigation Space diversity Beamforming. Radio. Radio. Radio. Radio. Radio & Wi300 MIMO Rake Antenna. DSP. DSP. DSP. DSP. RX. Bit Split. Bit Split. Radio. Radio. DSP. DSP.

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200 views • 1 slides

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