{"id":2065,"date":"2023-08-15T23:07:49","date_gmt":"2023-08-15T23:07:49","guid":{"rendered":"https:\/\/haf.hi.is\/?page_id=2065"},"modified":"2026-04-15T23:43:28","modified_gmt":"2026-04-15T23:43:28","slug":"publications","status":"publish","type":"page","link":"https:\/\/haf.hi.is\/is\/publications\/","title":{"rendered":"Rit"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"2065\" class=\"elementor elementor-2065\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eec4fe5 e-flex e-con-boxed e-con e-parent\" data-id=\"eec4fe5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-60b7c66 elementor-widget elementor-widget-heading\" data-id=\"60b7c66\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Rit<\/h2>\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-7bd6e3d e-flex e-con-boxed e-con e-parent\" data-id=\"7bd6e3d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46f934d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"46f934d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div><p>&#8211; F. Alizadeh, I. F. Akyildiz, K. \u00a0Andersen, S. E. \u00deorsteinsson, <strong>\u201cActive Metasurfaces for Underwater Acoustic RIS: Control-Ready Reflection Modeling and Multifunctional Wave Control\u201d<\/strong>, submitted for publication, 2026.<br \/><br \/>&#8211; F. Alizadeh, I. F. Akyildiz, K. Andersen, S. E. \u00deorsteinsson, <strong>\u201cProgrammable Active Metasurfaces for Underwater Acoustic RIS: OAM Wave Synthesis and Structured-Beam Communications\u201d<\/strong>, submitted for publication, 2026.<br \/><br \/>&#8211; Mahgoli, I. F. Akyildiz, K. Andersen, T. S. Giesta da Silva, and S. E. \u00deorsteinsson, <strong>\u201cLearning Ocean Channel Cartography: A Digital Twin Approach to Communication-Aware Autonomy for Maritime 6G\u201d<\/strong>, <em>IEEE Transactions on Communications,<\/em>Under Review (Manuscript ID: TCOM-TPS-26-0206).<br \/><br \/>&#8211; Mahgoli, I. F. Akyildiz, K. Andersen, S. E. \u00deorsteinsson, and M. \u00d6. \u00dalfarsson, <strong>\u201cA Hierarchical AI-Driven Hybrid Communication Framework for Underwater Swarm Coordination: Enabling Nanosecond Synchronization and Robust Cooperative MIMO Performance\u201d<\/strong>, <em>IEEE Internet of Things Journal,<\/em>Published in 30th of March 2026.<br \/><br \/>&#8211; Alizadeh, I. F. Akyildiz, K. Andersen, S. E. \u00deorsteinsson, <strong>\u201cTunable Active Metasurfaces for Next Generation Underwater aRIS-assisted Communication\u201d<\/strong> ACM WUWNet conference, 2025. Received the Best Paper Award.<br \/><br \/>&#8211; Mahgoli, I. F. Akyildiz, T. S. Giesta da Silva, S. T. Jonsson, K. Andersen, and S. E. \u00deorsteinsson, <strong>\u201cSteering Uncertainty: Physics-Informed Mean Field Games for AUV Swarm Coordination in Underwater IoT\u201d<\/strong> <em>IEEE International Symposium on the Internet of Things (ISIoT 2026),\u00a0Reykjavik, Iceland. Submitted for Presentation.<br \/><br \/>&#8211; <\/em>Mahgoli, \u00a0I. F. Akyildiz, T. S. Giesta da Silva, K. Andersen, S.E. Thorsteinsson, <strong>\u201cLiquid Neural Semantic Communication for Packet-Loss Resilient Underwater Acoustics\u201d<\/strong> <em>Eighth Underwater Communications and Networking Conference, UComms 2026, Sestri Levante, Italy. Submitted for Presentation.<\/em><\/p><p>&#8211; H. Guo, , I. F. Akyildiz, , S. E. Thorsteinsson, and K. Andersen, <strong>\u201cJoint Wireless Charging Planning and Task Assignment for Autonomous Underwater Vehicles\u201d<\/strong>, to appear at IEEE Global Communications Conference (GLOBECOM), December 2025.<\/p><div>&#8211; Farzad Alizadeh, Ian F. Akyildiz, Hongzhi Guo, Kristinn Andersen, and Saemundur E. Thorsteinsson, <strong>&#8220;Reconfigurable Intelligent Surfaces for Underwater Acoustic Wave Control: Tonpilz Transducer Design, Beam Steering, and Coupling Mitigation&#8221;<\/strong>,\u00a0 submitted for publication, August 2025.<\/div><div>\u00a0<\/div><div>&#8211; L. Zhao, J. Tan, J. Wang, I.F. Akyildiz, Z. Sun, <strong>\u201cIncreasing Underwater Channel Capacity and Dof using Acoustic RIS\u201d<\/strong>, submitted for publication, July 2025.<\/div><div>\u00a0<\/div><div>&#8211; N. Tang, Y. Liu, X. Chu and I.F. Akyildiz, <strong>&#8220;Optimal Energy Efficiency in Underwater Acoustic Backscatter Networks: A Piezoelectric Design and Channel Optimization Framework&#8221;<\/strong>, submitted for publication, July 2025.<\/div><div>\u00a0<\/div><div>&#8211; T. Girici, H. Guo, I. F. Akyildiz, K. Andersen, and S. E. Thorsteinsson, <strong>\u201cFormation Control for Swarm Underwater Vehicles using Multi-agent Deep Reinforcement Learning\u201d<\/strong>, in Proc. 8th Int. Balkan Conf. on Communications and Networking (BalkanCom), June 2025.<\/div><div>\u00a0<\/div><div role=\"presentation\">&#8211; L.Zhao, J. Tan, J. Wang, I.F. Akyildiz and Z. Sun, <strong>\u201cCovering Underwater Shadow Zones using Acoustic Reconfigurable Intelligent Surfaces\u201d<\/strong>,\u00a0 IEEE Infocom (premier conference in Networking) Proceedings, May 2025.<\/div><\/div><div><h4>\u00a0<\/h4><div>&#8211; S. J. Nor\u00f0fj\u00f6r\u00f0, S. \u00a0E. Thorsteinsson, and K. Andersen <strong>&#8220;Powering Underwater Robotics Sensor Networks through Ocean Energy Harvesting and Wireless Power Transfer Methods&#8221;<\/strong>, submitted for publication, December 2024.<\/div><div>\u00a0<\/div><div>&#8211; N. Tang, Y. Liu, X. Chu, I.F. Akyildiz, <strong>&#8220;Design, Modeling and Analysis of Underwater Acoustic Backscatter Communications&#8221;<\/strong>, IEEE ICC (International Computer Communications) Conf., Denver, Colorado, USA, June 2024.<\/div><\/div>\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Publications &#8211; F. Alizadeh, I. F. Akyildiz, K. \u00a0Andersen, S. E. \u00deorsteinsson, \u201cActive Metasurfaces for Underwater Acoustic RIS: Control-Ready Reflection Modeling and Multifunctional Wave Control\u201d, submitted for publication, 2026. &#8211; F. Alizadeh, I. F. Akyildiz, K. Andersen, S. E. \u00deorsteinsson, \u201cProgrammable Active Metasurfaces for Underwater Acoustic RIS: OAM Wave Synthesis and Structured-Beam Communications\u201d, submitted for [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"disabled","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2065","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/pages\/2065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/comments?post=2065"}],"version-history":[{"count":61,"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/pages\/2065\/revisions"}],"predecessor-version":[{"id":2391,"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/pages\/2065\/revisions\/2391"}],"wp:attachment":[{"href":"https:\/\/haf.hi.is\/is\/wp-json\/wp\/v2\/media?parent=2065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}