NRD-Guide Over 1Gbps Wireless at 60 Ghz

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Presentation transcript:

NRD-Guide Over 1Gbps Wireless at 60 Ghz Key Word ： NRD-Guide（Nonradiative Dielectric Waveguide） Tsukasa Yoneyama Environmental Information Engineering Tohoku Institute of Technology

Typical Printed Transmission Lines Microstrip Line Coplanar Waveguide Slot Line Typical Printed Transmission Lines

Operation Principle of NRD-Guide b a a<λ/2 a a (a) Below Cutoff (b) Still Below Cutoff (c) Nonradaiative Operation Principle of NRD-Guide

Nonradiative Dielectric Waveguide

Transmission Loss of NRD-Guide

NRD-Guide Bend with the Minimum Radius of Curvature at 50GHz

Waveguides for Respective Frequency Regions NRD-Guide for Millimeter-Waves Microstripline for Microwaves Optical Fiber for Light Waves Waveguides for Respective Frequency Regions

(a) Conventional Type of Transceiver Received Received Received Received Signal Signal Signal Signal LNA PA Transmitted Signal Transmitted Signal Transmitted Signal Transmitted Signal (a)　Conventional Type of Transceiver Received Received Received Received Transmitted Transmitted Transmitted Transmitted Signal Signal Signal Signal Signal Signal Signal Signal (b)　NRD-Guide Transceiver

NRD-Guide Transceiver Using Switch Transmitter Receiver Antenna 3dB Coupler Gunn Diode Switch SB Diodes NRD-Guide Transceiver Using Switch

Switchless NRD-Guide Transceiver Tx Signal Gunn Diode 3dB Coupler 　　　　Antenna SB Diodes IF Signal Switchless NRD-Guide Transceiver

Switchless Transceiver New Type of NRD-Guide Switchless Transceiver Old Type of NRD-guide Transceiver with Circulator

Typical Performance of Transceiver Transmitted and Received Pulse Trains（1.25Gbps） Bit Error Rate 1.5Gbps ,PRBS15, 　Time Duration:30min.

Image of HomeLink Broadcasting Satellite Communication Satellite Terrestrial Broadcasting (V/UHF) Liquid Crystal Display HDTV Projector NRD Guide Transceiver Image of HomeLink

Conclusions 1.　Small volume, a wide variety of products is possible with 　　　　NRD-guide. 2.　Data transmission rate of 1.5Gbps has been realized with NRD-guide. 3.　HDTV transmission has been demonstrated with NRD-guide. 4.　Simple, compact, high-performance transceiver has been fabricated with NRD-guide. 5.　Replacement of MMIC is possible with NRD-guide. 6. Market appearance of NRD-guide will be soon.