{"id":901,"date":"2020-10-07T09:56:01","date_gmt":"2020-10-07T07:56:01","guid":{"rendered":"https:\/\/www.uni.lu\/snt-fr\/events\/phd-defense-joint-scheduling-and-precoding-in-wireless-networks-a-dc-programming-approach\/"},"modified":"2020-10-07T09:56:01","modified_gmt":"2020-10-07T07:56:01","slug":"phd-defense-joint-scheduling-and-precoding-in-wireless-networks-a-dc-programming-approach","status":"publish","type":"events","link":"https:\/\/www.uni.lu\/snt-fr\/events\/phd-defense-joint-scheduling-and-precoding-in-wireless-networks-a-dc-programming-approach\/","title":{"rendered":"PhD Defense: Joint Scheduling and Precoding in Wireless Networks: A DC Programming Approach"},"content":{"rendered":"<section class=\"wp-block-unilux-blocks-free-section section\"><div class=\"container xl:max-w-screen-xl\"><p>Please click on this\u00a0<a href=\"https:\/\/unilu.webex.com\/unilu\/onstage\/g.php?MTID=e0b6858b6f5d7fd29ec9b9bb8be8c0cb9\" target=\"_self\" title=\"\" rel=\"noopener\">link<\/a> to connect to the online PhD defense.\u00a0<strong>You should register via the <a href=\"https:\/\/unilu.webex.com\/unilu\/onstage\/g.php?MTID=e0b6858b6f5d7fd29ec9b9bb8be8c0cb9\" target=\"_self\" title=\"\" rel=\"noopener\">link<\/a> to get access to the online PhD defense.<\/strong><\/p><p>Please be informed that Webex events are not accessible on Linux OS.<\/p><p><strong>Members of the defense committee<\/strong>:<\/p><ul class=\"ulux-list\"><li class=\"ulux-list-item\">Assistant Prof. Dr Djamila Aouada, University of Luxembourg, Chairman<\/li><li class=\"ulux-list-item\">Prof. Dr Bj\u00f6rn Ottersten, University of Luxembourg, Deputy Chairman<\/li><li class=\"ulux-list-item\">Dr Bhavani Mysore Shankar University of Luxembourg, SupervisorProf. Dr. Mats Bengtsson, Royal Institute of Technology (KTH),<\/li><li class=\"ulux-list-item\">Stockholm, Sweden, Member<\/li><li class=\"ulux-list-item\">Dr Jo\u00ebl Grotz, Soci\u00e9t\u00e9 Europ\u00e9enne des Satellites (SES), Luxembourg, Member<\/li><\/ul><p>Unprecedented proliferation of mobile devices is leading to the ever-increasing densification of the networks. Densification and increase in demand overwhelm the dedicated allocation of spatial and frequency resources leading to their reuse. Several techniques, e.g., precoding, have been considered mitigation of interference from this reuse. Despite this, due to resource limitations, only a few requests can be handled during transmission in a given transmit slot. This naturally leads to the scheduling of the requests (or typically referred to as users) which, in turn, impacts co-channel interference. Thus, the average performance of the multiuser multiple-input single-output (MISO) downlink channel, with a large number of users compared to transmit antennas of the base station, depends on the interference management which necessitates the joint design of scheduling and precoding. Typically, the joint design of scheduling and precoding is addressed by mixed-Boolean non-linear programming (MINLP) where the Boolean variables are associated with scheduling. These MINLP formulations in the literature lead to the coupling of Boolean and precoding variables; this coupled nature thwarts the joint update of scheduling and precoding variables. Unlike the previous works which do not offer a truly joint design, this thesis focuses on a joint design that truly facilitates the joint update of scheduling and precoding variable for the following cases in single-cell multiuser MISO downlink channels: per slot joint design for the unicast scenario, per slot design for multigroup multicast (MGMC) scenario and joint design over multiple slots for a unicast scenario. Different challenges in terms of the problem formulation and subsequent reformulations for different metrics in the aforementioned scenarios are discussed. \u00a0Through, useful and novel problem formulations combined reformulations, the problems are rendered as difference-of-convex (DC) problems that facilitate the joint update of scheduling and precoding variables. Finally, different algorithms, each focusing on optimizing the corresponding metric, are proposed and their performance is evaluated through numerical results.<\/p><\/div><\/section>","protected":false},"excerpt":{"rendered":"<p>Please click on this\u00a0link to connect to the online PhD defense.\u00a0You should register via the link to get access to the online PhD defense.Please be informed that Webex events are not accessible on Linux OS.<\/p>\n","protected":false},"author":0,"featured_media":902,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"featured_image_focal_point":[],"show_featured_caption":false,"ulux_newsletter_groups":"","uluxPostTitle":"","uluxPrePostTitle":"","_trash_the_other_posts":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"event_start_date":"2020-10-26 10:00:00","event_end_date":"2020-10-26 13:00:00","event_speaker_name":"Ashok Bandi ","event_speaker_link":"","event_is_online":false,"event_location":"","event_street":"","event_location_link":"","event_zip_code":"","event_city":"","event_country":"LU"},"events-topic":[],"events-type":[],"organisation":[183],"authorship":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - 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