Analysis and optimization of cooperative wireless networks
Recently, cooperative communication between users in wireless networks has attracted a considerable amount of attention. A significant amount of research has been conducted to optimize the performance of different cooperative communication schemes, subject to some resource constraints such as power,...
Uloženo v:
| Hlavní autor: | |
|---|---|
| Médium: | Dissertation |
| Jazyk: | angličtina |
| Vydáno: |
ProQuest Dissertations & Theses
01.01.2013
|
| Témata: | |
| ISBN: | 9781303763038, 1303763036 |
| On-line přístup: | Získat plný text |
| Tagy: |
Přidat tag
Žádné tagy, Buďte první, kdo vytvoří štítek k tomuto záznamu!
|
| Abstract | Recently, cooperative communication between users in wireless networks has attracted a considerable amount of attention. A significant amount of research has been conducted to optimize the performance of different cooperative communication schemes, subject to some resource constraints such as power, bandwidth, and time. However, in previous research, each optimization problem has been investigated separately, and the optimal solution for one problem is usually not optimal for the other problems. This dissertation focuses on joint optimization or cross-layer optimization in wireless cooperative networks. One important obstacle is the non-convexity of the joint optimization problem, which makes the problem difficult to solve efficiently. The first contribution of this dissertation is the proposal of a method to efficiently solve a joint optimization problem of power allocation, time scheduling and relay selection strategy in Decode-and-Forward cooperative networks. To overcome the non-convexity obstacle, the dual optimization method for non-convex problems [1], is applied by exploiting the time-sharing properties of wireless OFDM systems when the number of subcarriers approaches infinity. The second contribution of this dissertation is the design of practical algorithms to implement the aforementioned method for optimizing the cooperative network. The difficulty of this work is caused by the randomness of the data, specifically, the randomness of the channel condition, and the real-time requirements of computing. The proposed algorithms were analyzed rigorously and the convergence of the algorithms is shown. Furthermore, a joint optimization problem of power allocation and computational functions for the advanced cooperation scheme, Compute-and-Forward, is also analyzed, and an iterative algorithm to solve this problem is also introduced. |
|---|---|
| AbstractList | Recently, cooperative communication between users in wireless networks has attracted a considerable amount of attention. A significant amount of research has been conducted to optimize the performance of different cooperative communication schemes, subject to some resource constraints such as power, bandwidth, and time. However, in previous research, each optimization problem has been investigated separately, and the optimal solution for one problem is usually not optimal for the other problems. This dissertation focuses on joint optimization or cross-layer optimization in wireless cooperative networks. One important obstacle is the non-convexity of the joint optimization problem, which makes the problem difficult to solve efficiently. The first contribution of this dissertation is the proposal of a method to efficiently solve a joint optimization problem of power allocation, time scheduling and relay selection strategy in Decode-and-Forward cooperative networks. To overcome the non-convexity obstacle, the dual optimization method for non-convex problems [1], is applied by exploiting the time-sharing properties of wireless OFDM systems when the number of subcarriers approaches infinity. The second contribution of this dissertation is the design of practical algorithms to implement the aforementioned method for optimizing the cooperative network. The difficulty of this work is caused by the randomness of the data, specifically, the randomness of the channel condition, and the real-time requirements of computing. The proposed algorithms were analyzed rigorously and the convergence of the algorithms is shown. Furthermore, a joint optimization problem of power allocation and computational functions for the advanced cooperation scheme, Compute-and-Forward, is also analyzed, and an iterative algorithm to solve this problem is also introduced. |
| Author | Tran, Phuong T |
| Author_xml | – sequence: 1 givenname: Phuong surname: Tran middlename: T fullname: Tran, Phuong T |
| BookMark | eNotjs1KAzEYRQNaUOu8Q8D1QH4m-RJ3pfgHBTfdlyTzBdKOyTiZWvTpHVAu3MPdHO4duc4l4xVpLBgumQS9lLkhTa3JM8aslKwTt-Rxk93wXVOlLve0jHP6SD9uTiXTEmkoZcRpmV9IL2nCAWulGedLmU71nqyiGyo2_1yT_fPTfvva7t5f3rabXXsCoVohAhfWxA544NE4wUAE7ZX0UvfIfeB9j0oiLEHlrBECIpgYPWg0Wss1efjTjlP5PGOdD8dynpbX9cAV51p0AFb-AqZrRkM |
| ContentType | Dissertation |
| Copyright | Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works. |
| Copyright_xml | – notice: Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works. |
| DBID | 053 0BH CBPLH EU9 G20 M8- OK5 PHGZT PKEHL PQEST PQQKQ PQUKI |
| DatabaseName | Dissertations & Theses Europe Full Text: Science & Technology ProQuest Dissertations and Theses Professional ProQuest Dissertations & Theses Global: The Sciences and Engineering Collection ProQuest Dissertations & Theses A&I ProQuest Dissertations & Theses Global ProQuest Dissertations and Theses A&I: The Sciences and Engineering Collection Dissertations & Theses @ Big Ten Academic Alliance ProQuest One Academic (New) ProQuest One Academic Middle East (New) ProQuest One Academic Eastern Edition (DO NOT USE) ProQuest One Academic (retired) ProQuest One Academic UKI Edition |
| DatabaseTitle | Dissertations & Theses Europe Full Text: Science & Technology ProQuest One Academic Middle East (New) ProQuest One Academic UKI Edition ProQuest One Academic Eastern Edition Dissertations & Theses @ CIC Institutions ProQuest Dissertations & Theses Global: The Sciences and Engineering Collection ProQuest Dissertations and Theses Professional ProQuest One Academic ProQuest Dissertations & Theses A&I ProQuest One Academic (New) ProQuest Dissertations and Theses A&I: The Sciences and Engineering Collection ProQuest Dissertations & Theses Global |
| DatabaseTitleList | Dissertations & Theses Europe Full Text: Science & Technology |
| Database_xml | – sequence: 1 dbid: G20 name: ProQuest Dissertations & Theses Global url: https://www.proquest.com/pqdtglobal1 sourceTypes: Aggregation Database |
| DeliveryMethod | fulltext_linktorsrc |
| ExternalDocumentID | 3262021061 |
| Genre | Dissertation/Thesis |
| GroupedDBID | 053 0BH 8R4 8R5 CBPLH EU9 G20 M8- OK5 PHGZT PKEHL PQEST PQQKQ PQUKI Q2X |
| ID | FETCH-LOGICAL-k725-22c1298f471c1f8a2072c6b53b36de1bc1dde53e7e7ee5a98227f78ffb76e8663 |
| IEDL.DBID | G20 |
| ISBN | 9781303763038 1303763036 |
| IngestDate | Mon Jun 30 17:51:22 EDT 2025 |
| IsPeerReviewed | false |
| IsScholarly | false |
| Language | English |
| LinkModel | DirectLink |
| MergedId | FETCHMERGED-LOGICAL-k725-22c1298f471c1f8a2072c6b53b36de1bc1dde53e7e7ee5a98227f78ffb76e8663 |
| Notes | SourceType-Dissertations & Theses-1 ObjectType-Dissertation/Thesis-1 content type line 12 |
| PQID | 1511624779 |
| PQPubID | 18750 |
| ParticipantIDs | proquest_journals_1511624779 |
| PublicationCentury | 2000 |
| PublicationDate | 20130101 |
| PublicationDateYYYYMMDD | 2013-01-01 |
| PublicationDate_xml | – month: 01 year: 2013 text: 20130101 day: 01 |
| PublicationDecade | 2010 |
| PublicationYear | 2013 |
| Publisher | ProQuest Dissertations & Theses |
| Publisher_xml | – name: ProQuest Dissertations & Theses |
| SSID | ssib000933042 |
| Score | 1.6132158 |
| Snippet | Recently, cooperative communication between users in wireless networks has attracted a considerable amount of attention. A significant amount of research has... |
| SourceID | proquest |
| SourceType | Aggregation Database |
| SubjectTerms | Electrical engineering |
| Title | Analysis and optimization of cooperative wireless networks |
| URI | https://www.proquest.com/docview/1511624779 |
| hasFullText | 1 |
| inHoldings | 1 |
| isFullTextHit | |
| isPrint | |
| link | http://cvtisr.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwpV07T8MwED5BYUAMgADxKMgDq0VjO7HNwgAUpoqhQ7cqfkkISEpT-vs5pw5UQmJBnizLkuXHd-c7-_sArpSwpefK0XzgJRVl5qhWLqPacV0azpwPqhWbkKORmkz0cwq4NelZZYeJLVC72sYY-TVapqxgQkp9O_ugUTUqZleThMYmbEXPJnLnP667P9-39YjUeJIQrhPNU1dXvzC4NSzDvf8OaR9279cy6gew4atDuOmoRkhZOVIjKryn75akDsTW9cyvCL9JZCp-Q7Aj1eo5eHME4-HD-O6JJpEE-ipZThmzaLFVQBtjs6BKNpDMFibnhhfOZ8ZmiF859xKLz8vI1ieDVCEYWXiF7sYx9Kq68idARIE9sMXJoIU1IqZYQyikMNpz9JROod9NwzRt9Gb6Mwdnfzefww5rlSRi9KIPvcX801_Atl0uXpr5ZbtuX5NTovo |
| linkProvider | ProQuest |
| linkToHtml | http://cvtisr.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMw1V3PS8MwFH7MKSgeVFT8MTUHPQbXJG1SQTw458bm8LDDbqXNDxC1netU_KP8H026VgeCtx2kpxBawkve96UvL98DOBVMxpoKhf2m5pjFnsKhUB4OFQ3jhBKljSiKTfDBQIxG4X0NPqu7MC6tssLEAqhVJl2M_NwykxcQxnl4NX7BrmqUO12tSmjMlkVPf7zbX7b8stuy83tGSPtmeN3BZVUB_MiJjwmRluKEsaAsPSNi0uREBolPExoo7SXSsw7vU83to_3Yydtxw4UxCQ-0sPxsP7sEy4xyz2UQ3s7vtr6DA44YrONadihVpaq2-AX5BY-1N_6ZBTZhvTWXL7AFNZ1uw0UlpILiVKHMYt5zeZkUZQbJLBvrmZw5cjrMTxbKUTpLds93YLiIoe5CPc1SvQeIBfYN26O4CZlMmDtANibgLAk1tfvAfWhUVo9KN86jH5Mf_N19Aqud4V0_6ncHvUNYI0XNDBenaUB9OnnVR7Ai36YP-eS4WDIIogVP0Bf7f_8t |
| openUrl | ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fsummon.serialssolutions.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.genre=dissertation&rft.title=Analysis+and+optimization+of+cooperative+wireless+networks&rft.DBID=053%3B0BH%3BCBPLH%3BEU9%3BG20%3BM8-%3BOK5%3BPHGZT%3BPKEHL%3BPQEST%3BPQQKQ%3BPQUKI&rft.PQPubID=18750&rft.au=Tran%2C+Phuong+T&rft.date=2013-01-01&rft.pub=ProQuest+Dissertations+%26+Theses&rft.isbn=9781303763038&rft.externalDBID=HAS_PDF_LINK&rft.externalDocID=3262021061 |
| thumbnail_l | http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=9781303763038/lc.gif&client=summon&freeimage=true |
| thumbnail_m | http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=9781303763038/mc.gif&client=summon&freeimage=true |
| thumbnail_s | http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=9781303763038/sc.gif&client=summon&freeimage=true |