{"id":9339,"date":"2023-04-30T18:40:10","date_gmt":"2023-04-30T09:40:10","guid":{"rendered":"https:\/\/www11.ieice.org\/cs\/ap\/wp\/?page_id=9339"},"modified":"2026-06-25T15:31:59","modified_gmt":"2026-06-25T06:31:59","slug":"prop_db_8","status":"publish","type":"page","link":"https:\/\/www.ieice.org\/cs\/ap\/language\/en\/misc-eng\/denpan-db\/prop_db\/prop_db_8\/","title":{"rendered":"8. Path loss close to ceiling with concrete beam."},"content":{"rendered":"\n<h3 class=\"wp-block-heading is-style-vk-heading-default\">Database<\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>No.<\/td><td>Contents<\/td><td>Data type<\/td><td>Location<\/td><td>Date of registration<\/td><td>Registrant<\/td><\/tr><tr><td>8<\/td><td>Path loss close to ceiling with concrete beam<\/td><td>measurement<\/td><td>2F, Bld. B21, Kadoma area, Panasonic Corp., Japan<\/td><td>May. 1st<br>2023<\/td><td>N.Yamamoto<br>(Panasonic Corp.)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Parameters<\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td><strong>Parameter<\/strong>               <\/td><td><strong>Value<\/strong><\/td><\/tr><tr><td>Frequency<\/td><td>928 MHz<\/td><\/tr><tr><td>Transmission signal<\/td><td>FSK<\/td><\/tr><tr><td>Bandwidth<\/td><td>200 kHz<\/td><\/tr><tr><td>Transmit power<\/td><td>0 dBm<\/td><\/tr><tr><td>Tx antenna height<\/td><td>-0.1 m, +0.1 m, +0.6 m with the end face (bottom) of the concrete beam as the reference (0 m)<\/td><\/tr><tr><td>Rx antenna height<\/td><td>Same as Tx antenna height<\/td><\/tr><tr><td>Tx\/Rx antenna<\/td><td>Sleeve dipole antenna (2.15 dBi) <\/td><\/tr><tr><td>Data processing<\/td><td>\u30fbPath loss [dB] = Transmit power [dBm] &#8211; Received power [dBm] + Antenna gain of Tx antenna (2.15dBi) + Antenna gain of Rx antenna (2.15dBi)<br>\u30fbSnap shot Data<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Measurement environment<\/h3>\n\n\n\n<h5 class=\"wp-block-heading vk_block-margin-0--margin-bottom\">  <strong>Layout of measurement location (X-Z plane)<\/strong><\/h5>\n\n\n<div class=\"wp-block-image vk_block-margin-xxs--margin-top\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u4f1d\u642cDB\u30c7\u30fc\u30bf\uff18\uff0d\uff11.png\" alt=\"\" style=\"aspect-ratio:2.1528662420382165;width:573px;height:auto\"\/><\/figure><\/div>\n\n\n<h5 class=\"wp-block-heading vk_block-margin-0--margin-bottom\">  <strong>Layout of measurement location (Y-Z plane)<\/strong><\/h5>\n\n\n<div class=\"wp-block-image vk_block-margin-xxs--margin-top\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u4f1d\u642cDB\u30c7\u30fc\u30bf\uff18\uff0d\uff12.png\" alt=\"\" style=\"aspect-ratio:1.815217391304348;width:570px;height:auto\"\/><\/figure><\/div>\n\n\n<h5 class=\"wp-block-heading vk_block-margin-0--margin-bottom\">  <strong>Photo of measurement environment<\/strong><\/h5>\n\n\n<div class=\"wp-block-image vk_block-margin-xs--margin-top\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u4f1d\u642cDB\u30c7\u30fc\u30bf\uff18\uff0d\uff13.png\" alt=\"\" style=\"aspect-ratio:1.3797101449275362;width:388px;height:auto\"\/><\/figure><\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u4f1d\u642cDB\u30c7\u30fc\u30bf\uff18\uff0d\uff14.png\" alt=\"\" style=\"aspect-ratio:1.0440528634361232;width:386px;height:auto\"\/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">Registered data<\/h3>\n\n\n\n<p>  (a) \\(h\\)=-0.1 m<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u4f1d\u642cDB\u30c7\u30fc\u30bf_8-5.png\" alt=\"\" style=\"aspect-ratio:1.4397590361445782;width:443px;height:auto\"\/><\/figure><\/div>\n\n\n<p>  (b) \\(h\\)=+0.1 m<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u4f1d\u642cDB\u30c7\u30fc\u30bf_8-6.png\" alt=\"\" style=\"aspect-ratio:1.4407294832826747;width:442px;height:auto\"\/><\/figure><\/div>\n\n\n<p>  (c) \\(h\\)=+0.6 m<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/wp-content\/uploads\/2023\/04\/\u4f1d\u642cDB\u30c7\u30fc\u30bf_8-7.png\" alt=\"\" style=\"aspect-ratio:1.4403669724770642;width:442px;height:auto\"\/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">Condition of data use<\/h3>\n\n\n\n<p>Cite the following paper.<\/p>\n\n\n\n[1] <a href=\"https:\/\/globals.ieice.org\/en_transactions\/communications\/10.1587\/transcom.2022EBP3010\/_p\">Naotake Yamamoto, Taichi Sasaki, Atsushi Yamamoto, Tetsuya Nishikawa, Kentaro Saito, Jun-ichi Takada, and Toshiyuki Maeyama\uff0c\u201d920 MHz Path Loss Prediction Formula Based on FDTD Method for IoT Wireless System close to Ceiling with Concrete Beam,&#8221; IEICE Trans. Commun., Vol. E105-B, No. 12, Dec. 2022.<\/a><\/p>\n\n\n\n<a href=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/?page_id=9345\" class=\"su-button su-button-style-default\" style=\"color:#FFFFFF;background-color:#2D89EF;border-color:#246ec0;border-radius:6px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:0px 18px;font-size:14px;line-height:28px;border-color:#6cadf4;border-radius:6px;text-shadow:none\"> Click hear to access data<\/span><\/a>\n\n\n\n<p>(To access data, you need passcode. Please contact to the committee secretary. The contact mail address is shown in <a href=\"https:\/\/www.ieice.org\/cs\/ap\/wp\/language\/en\/misc-eng\/denpan-db\/\">the top-page of the database<\/a>.)  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Database No. Contents Data type Location Date of registration Registrant 8 Path loss close to ceiling with con [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":15718,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-9339","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/9339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/comments?post=9339"}],"version-history":[{"count":20,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/9339\/revisions"}],"predecessor-version":[{"id":15684,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/9339\/revisions\/15684"}],"up":[{"embeddable":true,"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/pages\/15718"}],"wp:attachment":[{"href":"https:\/\/www.ieice.org\/cs\/ap\/wp-json\/wp\/v2\/media?parent=9339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}