MICROWAVE TRANSMISSION SYSTEM AND REFLECTION PLATE USED FOR THE SAME

MICROWAVE TRANSMISSION SYSTEM AND REFLECTION PLATE USED FOR THE SAME

PROBLEM TO BE SOLVED: To provide a microwave transmission system that is provided with a reflecting plate whose shape and size are equal to those of a 1st Fresnel zone so as to reduce the propagation loss of a radio wave, and to provide the reflecting plate used by the transmitter. SOLUTION: A refle...

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Hauptverfasser: ICHITSUBO SHINICHI, KITAO KOSHIRO
Format: Patent
Sprache:eng
Schlagworte:
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator ICHITSUBO SHINICHI
KITAO KOSHIRO
description PROBLEM TO BE SOLVED: To provide a microwave transmission system that is provided with a reflecting plate whose shape and size are equal to those of a 1st Fresnel zone so as to reduce the propagation loss of a radio wave, and to provide the reflecting plate used by the transmitter. SOLUTION: A reflecting plate 3 is installed at a place affording an unobstructed view from both a 1st base station antenna 1 and 2nd base station antenna 2, and the microwave transmission system makes microwave wireless communication by using microwave reflected in the reflecting plate 3 between a 1st base station and a 2nd bare station. The microwave transmission system is provided with the reflecting plate 3 with a radius r1 obtained by the following formula; r1 =√ λd1 d2 /(d1 +d2 )}, where d1 is the distance between the 1st base station antenna 1 and the reflecting plate 3, d2 is the distance between the 2nd base station antenna 2 and the reflecting plate 3, and λ is the wavelength of a transmitted microwave.
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SOLUTION: A reflecting plate 3 is installed at a place affording an unobstructed view from both a 1st base station antenna 1 and 2nd base station antenna 2, and the microwave transmission system makes microwave wireless communication by using microwave reflected in the reflecting plate 3 between a 1st base station and a 2nd bare station. 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SOLUTION: A reflecting plate 3 is installed at a place affording an unobstructed view from both a 1st base station antenna 1 and 2nd base station antenna 2, and the microwave transmission system makes microwave wireless communication by using microwave reflected in the reflecting plate 3 between a 1st base station and a 2nd bare station. The microwave transmission system is provided with the reflecting plate 3 with a radius r1 obtained by the following formula; r1 =√ λd1 d2 /(d1 +d2 )}, where d1 is the distance between the 1st base station antenna 1 and the reflecting plate 3, d2 is the distance between the 2nd base station antenna 2 and the reflecting plate 3, and λ is the wavelength of a transmitted microwave.</description><subject>ANTENNAS, i.e. RADIO AERIALS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDx9XQO8g93DHNVCAly9Av29QwO9vT3UwiODA5x9VVw9HNRCHJ183F1DgGJBvg4hrgqhAa7uii4-QcphHi4KgQ7-rryMLCmJeYUp_JCaW4GJTfXEGcP3dSC_PjU4oLE5NS81JJ4rwAjAwNjA2MjQzNTR2OiFAEAyKcsOg</recordid><startdate>20030131</startdate><enddate>20030131</enddate><creator>ICHITSUBO SHINICHI</creator><creator>KITAO KOSHIRO</creator><scope>EVB</scope></search><sort><creationdate>20030131</creationdate><title>MICROWAVE TRANSMISSION SYSTEM AND REFLECTION PLATE USED FOR THE SAME</title><author>ICHITSUBO SHINICHI ; KITAO KOSHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2003032165A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2003</creationdate><topic>ANTENNAS, i.e. RADIO AERIALS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>ICHITSUBO SHINICHI</creatorcontrib><creatorcontrib>KITAO KOSHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ICHITSUBO SHINICHI</au><au>KITAO KOSHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MICROWAVE TRANSMISSION SYSTEM AND REFLECTION PLATE USED FOR THE SAME</title><date>2003-01-31</date><risdate>2003</risdate><abstract>PROBLEM TO BE SOLVED: To provide a microwave transmission system that is provided with a reflecting plate whose shape and size are equal to those of a 1st Fresnel zone so as to reduce the propagation loss of a radio wave, and to provide the reflecting plate used by the transmitter. SOLUTION: A reflecting plate 3 is installed at a place affording an unobstructed view from both a 1st base station antenna 1 and 2nd base station antenna 2, and the microwave transmission system makes microwave wireless communication by using microwave reflected in the reflecting plate 3 between a 1st base station and a 2nd bare station. The microwave transmission system is provided with the reflecting plate 3 with a radius r1 obtained by the following formula; r1 =√ λd1 d2 /(d1 +d2 )}, where d1 is the distance between the 1st base station antenna 1 and the reflecting plate 3, d2 is the distance between the 2nd base station antenna 2 and the reflecting plate 3, and λ is the wavelength of a transmitted microwave.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title MICROWAVE TRANSMISSION SYSTEM AND REFLECTION PLATE USED FOR THE SAME
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