{"id":236,"date":"2026-01-20T14:47:05","date_gmt":"2026-01-20T06:47:05","guid":{"rendered":"http:\/\/lasso.eee.sustech.edu.cn\/?page_id=236"},"modified":"2026-01-25T21:30:39","modified_gmt":"2026-01-25T13:30:39","slug":"%e6%af%ab%e7%b1%b3%e6%b3%a2%e8%bd%ae%e5%bb%93%e6%84%9f%e7%9f%a5","status":"publish","type":"page","link":"http:\/\/lasso.eee.sustech.edu.cn\/?page_id=236","title":{"rendered":"\u6beb\u7c73\u6ce2\u8f6e\u5ed3\u611f\u77e5"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"236\" class=\"elementor elementor-236\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab63f9e e-flex e-con-boxed e-con e-parent\" data-id=\"ab63f9e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3af15f4 elementor-widget elementor-widget-heading\" data-id=\"3af15f4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">mmSPLAM:<br>Millimeter-Wave Simultaneous Passive Mobile Target Tracking and Environment Reconstruction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-812649d e-flex e-con-boxed e-con e-parent\" data-id=\"812649d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-179a19d elementor-widget elementor-widget-heading\" data-id=\"179a19d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Xinyuan Wei\uff0c Jian Wang<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c538c76 e-flex e-con-boxed e-con e-parent\" data-id=\"c538c76\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-378afbe elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"378afbe\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d8bab2d e-flex e-con-boxed e-con e-parent\" data-id=\"d8bab2d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-38d6e02 e-con-full e-grid e-con e-child\" data-id=\"38d6e02\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36adde2 elementor-widget elementor-widget-text-editor\" data-id=\"36adde2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Motivation:<\/strong><\/p><ul><li>WiFi sensing often treats the environment as interference, focusing on signal suppression.<\/li><li>Most mmWave SLAM systems localize the transceiver itself, not passive or non-cooperative targets.<\/li><li>Dedicated SLAM systems are expensive and complex.<\/li><\/ul><p><strong>Features:<\/strong><\/p><ul><li>Passive millimeter-wave sensing without target cooperation.<\/li><li>Joint mobile target tracking and environment reconstruction.<\/li><li>No transmitter\u2013receiver clock synchronization required.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a52e75 elementor-widget elementor-widget-image\" data-id=\"8a52e75\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2412\" height=\"1614\" src=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/intro.png\" class=\"attachment-full size-full wp-image-386\" alt=\"\" srcset=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/intro.png 2412w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/intro-300x201.png 300w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/intro-1024x685.png 1024w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/intro-768x514.png 768w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/intro-1536x1028.png 1536w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/intro-2048x1370.png 2048w\" sizes=\"(max-width: 2412px) 100vw, 2412px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d8452f7 e-grid e-con-full e-con e-parent\" data-id=\"d8452f7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20bbd62 elementor-widget elementor-widget-image\" data-id=\"20bbd62\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"252\" height=\"300\" src=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/layout-252x300.png\" class=\"attachment-medium size-medium wp-image-391\" alt=\"\" srcset=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/layout-252x300.png 252w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/layout-859x1024.png 859w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/layout-768x915.png 768w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/layout-1289x1536.png 1289w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/layout.png 1573w\" sizes=\"(max-width: 252px) 100vw, 252px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Geometric layout <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-350d927 elementor-widget elementor-widget-image\" data-id=\"350d927\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"227\" height=\"300\" src=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/beam-sivers-227x300.png\" class=\"attachment-medium size-medium wp-image-392\" alt=\"\" srcset=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/beam-sivers-227x300.png 227w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/beam-sivers-774x1024.png 774w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/beam-sivers-768x1016.png 768w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/beam-sivers-1162x1536.png 1162w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/beam-sivers.png 1312w\" sizes=\"(max-width: 227px) 100vw, 227px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Beam patterns<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64b4a3e elementor-widget elementor-widget-image\" data-id=\"64b4a3e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/exp2-1024x768.png\" class=\"attachment-large size-large wp-image-393\" alt=\"\" srcset=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/exp2-1024x768.png 1024w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/exp2-300x225.png 300w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/exp2-768x576.png 768w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/exp2-1536x1152.png 1536w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/exp2.png 1842w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Experiment scene<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4b11039 e-flex e-con-boxed e-con e-parent\" data-id=\"4b11039\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a29ca2d elementor-widget elementor-widget-text-editor\" data-id=\"a29ca2d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"60\" data-end=\"203\">The target trajectory is estimated by jointly exploiting two signal paths: one line-of-sight (LoS) path and one wall-reflected non-line-of-sight (NLoS) path. Each path provides a distinct Doppler measurement corresponding to a different geometric line, and the combination of these two Doppler constraints enables two-dimensional motion estimation of the passive target. Meanwhile, the wall-reflected path is modeled as a virtual receiver, whose location can be inferred from the observed reflections, allowing the wall position and environmental layout to be reconstructed without dedicated sensing hardware.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e1c8eee e-flex e-con-boxed e-con e-parent\" data-id=\"e1c8eee\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17de100 elementor-widget elementor-widget-image\" data-id=\"17de100\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"357\" src=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/room_shape-1024x457.png\" class=\"attachment-large size-large wp-image-396\" alt=\"\" srcset=\"http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/room_shape-1024x457.png 1024w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/room_shape-300x134.png 300w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/room_shape-768x343.png 768w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/room_shape-1536x686.png 1536w, http:\/\/lasso.eee.sustech.edu.cn\/wp-content\/uploads\/2026\/01\/room_shape-2048x914.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">From left to right, the first six subfigures illustrate the estimated wall locations (Wall~1--Wall~6) together with the reconstructed trajectory of the moving scatterer. The last two subfigures present the averaged trajectory prediction over 20 repeated trials and the final room-layout reconstruction obtained by aggregating all wall estimates.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>mmSPLAM:Millimeter-Wave Simultaneous Passive Mobile Target Tracking and Environment Reconstruction Xinyuan Wei\uff0c Jian Wang Motivation: WiFi sensing oft&hellip;<\/p>\n<p> <a class=\"more-link\" href=\"http:\/\/lasso.eee.sustech.edu.cn\/?page_id=236\">\u7ee7\u7eed\u9605\u8bfb<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":36,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-236","page","type-page","status-publish"],"_links":{"self":[{"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=\/wp\/v2\/pages\/236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=236"}],"version-history":[{"count":37,"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=\/wp\/v2\/pages\/236\/revisions"}],"predecessor-version":[{"id":474,"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=\/wp\/v2\/pages\/236\/revisions\/474"}],"up":[{"embeddable":true,"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=\/wp\/v2\/pages\/36"}],"wp:attachment":[{"href":"http:\/\/lasso.eee.sustech.edu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}