{"id":58597,"date":"2023-06-22T14:24:35","date_gmt":"2023-06-22T12:24:35","guid":{"rendered":"https:\/\/www.iemn.fr\/articles-temporaires-anglais\/mesure-du-canal-v2i-dans-les-reseaux-de-vehicules-2.html"},"modified":"2023-07-21T14:25:44","modified_gmt":"2023-07-21T12:25:44","slug":"measuring-the-v2l-channel","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/newsletter\/measuring-the-v2l-channel.html","title":{"rendered":"Measuring the V2I channel in cell-free vehicle networks using the MaMIMOSA distributed channel sounder"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m6lylg-3717c8c1a848983f399e95da08e769e6\">\n.flex_column.av-m6lylg-3717c8c1a848983f399e95da08e769e6{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-m6lylg-3717c8c1a848983f399e95da08e769e6 av_one_full  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-lj74h1kl-679b3e18445ec2150a7540e09d56a9b1'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 style=\"text-align: center;\"><span style=\"color: #1d5b70;\">Measuring the V2I channel in cell-free vehicle networks using the MaMIMOSA distributed channel sounder<\/span><\/h2>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-j6scxw-0a0be2eabae97821084a68e8a3c113de\">\n.flex_column.av-j6scxw-0a0be2eabae97821084a68e8a3c113de{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-j6scxw-0a0be2eabae97821084a68e8a3c113de av_one_full  avia-builder-el-2  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lj7485k0-06f570ab676bf903c5cf9981970db41f'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-58182 aligncenter\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL-300x168.jpg\" alt=\"\" width=\"700\" height=\"393\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL-300x168.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL-1030x578.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL-768x431.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL-18x10.jpg 18w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL-705x396.jpg 705w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/POSTER-OFFICIEL-FINAL.jpg 1416w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1aub9k4-6bb5cc72d48a830847b81a77e1d2ec9f\">\n.flex_column.av-1aub9k4-6bb5cc72d48a830847b81a77e1d2ec9f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1aub9k4-6bb5cc72d48a830847b81a77e1d2ec9f av_one_full  avia-builder-el-4  el_after_av_one_full  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lj73r4dw-5f990b513d334078724f4d10ef41ea9b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h4><strong><span style=\"color: #1d5b70;\">In this paper, we present a small but realistic vehicular cell-free massive MIMO (multiple input, multiple output) architecture deployed at the University of Lille in a typical suburban environment, under both line-of-sight (LOS) and obstructed LOS (OLOS) shadowing conditions.<\/span><\/strong><\/h4>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-15y78tg-a6f59815658e88c05e22797844e79ff4\">\n.flex_column.av-15y78tg-a6f59815658e88c05e22797844e79ff4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-15y78tg-a6f59815658e88c05e22797844e79ff4 av_one_half  avia-builder-el-6  el_after_av_one_full  el_before_av_one_half  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lj73r4dw-5f990b513d334078724f4d10ef41ea9b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The radio channels were acquired using a distributed RF-over-fiber (RoF) upgrade of the MaMIMOSA real-time channel sounder. The system operates at 5.89 GHz with a bandwidth of 80 MHz, corresponding to the ITS frequency band offered by ITS-G5 and CV2X technologies. Four omnidirectional receiving antennas were placed on the roof of a van travelling at a speed of 25 km\/h. The propagation channel was measured for different transmission antenna configurations, ranging from co-located antennas to fully distributed antennas. The measurement results show a significant gain in signal-to-noise ratio (SNR), as well as more uniform coverage and lower delay spread values with distributed scenarios than with centralized ones.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-r3bexw-f6e0a887d1499327b68a902c46bf946a\">\n.flex_column.av-r3bexw-f6e0a887d1499327b68a902c46bf946a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-r3bexw-f6e0a887d1499327b68a902c46bf946a av_one_half  avia-builder-el-8  el_after_av_one_half  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-lj73r4dw-5f990b513d334078724f4d10ef41ea9b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Finally, the path loss measurement results obtained for the cell-free network provided guidelines for the deployment of distributed antennas.<\/p>\n<p><strong><span style=\"color: #1d5b70;\"><a style=\"color: #1d5b70;\" href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2023\/06\/article_MaMIMOSA.pdf\" target=\"_blank\" rel=\"noopener\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-wzsvks-bae6428a49fa2ed8dba9078751635129\">\n.av_font_icon.av-wzsvks-bae6428a49fa2ed8dba9078751635129{\ncolor:#1f6657;\nborder-color:#1f6657;\n}\n.av_font_icon.av-wzsvks-bae6428a49fa2ed8dba9078751635129 .av-icon-char{\nfont-size:25px;\nline-height:25px;\n}\n<\/style>\n<span  class='av_font_icon av-wzsvks-bae6428a49fa2ed8dba9078751635129 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue826' data-av_iconfont='entypo-fontello' ><\/span><\/span>Read the full article (pdf)<\/a><\/span><\/strong><\/p>\n<p><a href=\"https:\/\/hal.univ-lille.fr\/IEMN\/hal-03952309v1\" target=\"_blank\" rel=\"noopener\">https:\/\/hal.univ-lille.fr\/IEMN\/hal-03952309v1<\/a><\/p>\n<p><div  class='avia-button-wrap av-rpqvoq-870485fe859f12be9ea0635bc9982e1f-wrap avia-button-left  avia-builder-el-11  el_after_av_font_icon  el_before_av_button'><a href='mailto:davy.gaillot@univ-lille.fr'  class='avia-button av-rpqvoq-870485fe859f12be9ea0635bc9982e1f av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-silver'   aria-label=\"davy.gaillot@univ-lille.fr\"><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue805' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >davy.gaillot@univ-lille.fr<\/span><\/a><\/div>. \u00a0 <div  class='avia-button-wrap av-rpqvoq-5db5a6d75288a42aa4f24498b608aa76-wrap avia-button-left  avia-builder-el-12  el_after_av_button  avia-builder-el-last'><a href='mailto:eric.simon@univ-lille.fr'  class='avia-button av-rpqvoq-5db5a6d75288a42aa4f24498b608aa76 av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-silver'   aria-label=\"eric.simon@univ-lille.fr\"><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue805' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >eric.simon@univ-lille.fr<\/span><\/a><\/div><\/p>\n<\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[297],"tags":[],"class_list":["post-58597","post","type-post","status-publish","format-standard","hentry","category-newsletter"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/58597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=58597"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/58597\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=58597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=58597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=58597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}