{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/80931"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/80931","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Multiuser Communications With Relaying and User Cooperation","abstract":"In the remainder of the dissertation, the impact of relaying and user cooperation on downlink of wireless networks is investigated. Three two-user relay broadcast channels are studied from an information-theoretic viewpoint. These channels represent fundamental units of downlink systems that exploit relaying and user cooperation. Achievable regions for these channels are derived. Upper bounds on the capacity regions are also derived and are shown to be tighter than the standard cut-set bounds. Furthermore, capacity regions are established for some special classes of channels. The results illustrate that relaying and user cooperation are powerful techniques in improving the capacity of broadcast channels.","abstract_html":"In the remainder of the dissertation, the impact of relaying and user cooperation on downlink of wireless networks is investigated. Three two-user relay broadcast channels are studied from an information-theoretic viewpoint. These channels represent fundamental units of downlink systems that exploit relaying and user cooperation. Achievable regions for these channels are derived. Upper bounds on the capacity regions are also derived and are shown to be tighter than the standard cut-set bounds. Furthermore, capacity regions are established for some special classes of channels. The results illustrate that relaying and user cooperation are powerful techniques in improving the capacity of broadcast channels.","abstract_has_math":false,"creators":["Liang, Yingbin"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical Engineering","degree_department":null,"school":null,"contributors":["Veeravalli, Venugopal V."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:08:53Z","date_published":"2015-09-25T20:08:53Z","updated_at":"2026-07-22T22:26:15Z","subjects":["Engineering, Electronics and Electrical"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3199066"],"render_values":[{"text":"(MiAaPQ)AAI3199066","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/80931","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Veeravalli, Venugopal V."]},{"key":"dc:creator","label":"Author","values":["Liang, Yingbin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:08:53Z","10000-01-01","2005"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Electronics and Electrical"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/80931","(MiAaPQ)AAI3199066"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["In the remainder of the dissertation, the impact of relaying and user cooperation on downlink of wireless networks is investigated. Three two-user relay broadcast channels are studied from an information-theoretic viewpoint. These channels represent fundamental units of downlink systems that exploit relaying and user cooperation. Achievable regions for these channels are derived. Upper bounds on the capacity regions are also derived and are shown to be tighter than the standard cut-set bounds. Furthermore, capacity regions are established for some special classes of channels. The results illustrate that relaying and user cooperation are powerful techniques in improving the capacity of broadcast channels.","Made available in DSpace on 2015-09-25T20:08:53Z (GMT). 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Three two-user relay broadcast channels are studied from an information-theoretic viewpoint. These channels represent fundamental units of downlink systems that exploit relaying and user cooperation. Achievable regions for these channels are derived. Upper bounds on the capacity regions are also derived and are shown to be tighter than the standard cut-set bounds. Furthermore, capacity regions are established for some special classes of channels. The results illustrate that relaying and user cooperation are powerful techniques in improving the capacity of broadcast channels.","Made available in DSpace on 2015-09-25T20:08:53Z (GMT). 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