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dc.contributor.author朱家弘en_US
dc.contributor.author黃經堯en_US
dc.date.accessioned2014-12-12T01:13:14Z-
dc.date.available2014-12-12T01:13:14Z-
dc.date.issued2008en_US
dc.identifier.urihttp://140.113.39.130/cdrfb3/record/nctu/#GT009494519en_US
dc.identifier.urihttp://hdl.handle.net/11536/37973-
dc.description.abstract隨著使用者對於高速無線資料傳輸的需求增加,行動 WiMAX 系統不僅僅能滿足此需求,並且已經成為未來3.5代、第4代行動通訊系統的候選人之一。但是在多媒體應用的持續發展下,除了高傳輸速率、高頻寬的無線通訊服務已經是必需的條件,還必須考慮到整個基地台底下用戶的平均傳輸速率與整體服務區域的提升。因此行動多躍中繼系統(MMR)等提升服務品質的系統,勢必會成為下一代行動通訊開發的基本技術。基於此多躍中繼系統的規範(IEEE802.16j)即因醞而生。 在本論文中,將針對在有多躍中繼系統的支援的情況下,對於離基地台較遠或是傳輸通道情況較差的使用者,給予一定程度的中繼傳輸服務品質保證,進而增加系統使用者容量或涵蓋範圍。因此我們發展行動WiMAX模擬平台,建立了包含基礎無線資源管理以及可以支援多躍中繼系統運作的MAC層。在我們的模擬當中,我們同時也考慮了在即時與非即時混和式服務下的傳輸品質要求下,做出有效的通道選取。在滿足使用者傳輸品質要求的前提下,有效的分配無線傳輸資源。根據模擬數據的分析,我們可以得知,在有多躍中繼系統的支援下,能夠有效的提升在整體的使用者的平均傳輸速率並減少同頻干擾進而提升傳輸品質及系統的使用者容量。zh_TW
dc.description.abstractThe mobile WiMAX which provide high speed transmission over large area has been adopted as one of the candidates of next generation communication system. But, with higher demand of multi-media application, not only high date rate and high bandwidth is necessary for wireless transmission, but also to consider whole cell average throughput, and coverage extension. Consequently, the Mobile Multihop Relay (MMR) system will be the solutions of future wireless system. Base on those idea the Mobile Multihop Relay (MMR) system were establish in IEEE 802.16j. In this thesis, we apply Mobile Multihop Relay (MMR) system on mobile WiMAX to investigate the system level performance analysis when poor RF condition users are served with relay. Besides support poor users, we also consider the Quality of Service (QoS) requirements of mixed traffic services. As the result, we build a simulation platform for mobile WiMAX with basic Radio Resource Management (RRM) and Mobile Multihop Relay (MMR) enabled MAC layer. We adopt an effective path selection to consider simple scheduling algorithm for QoS guarantee and SINR enhancement for poor users. In the simulation result, the cell average capacity can be increase significantly because of the Mobile Multihop Relay (MMR) can help the partial poor RF user upgrade their AMC. With Mobile Multihop Relay (MMR) system, the SINR is enhanced so that the transmission quality is promoted and increase the system capacity.en_US
dc.language.isoen_USen_US
dc.subject多躍中繼系統zh_TW
dc.subjectrelayen_US
dc.title針對行動多躍中繼系統在行動WiMAX系統中之無線資源管理效能之研究zh_TW
dc.titleRadio Resource Management for Mobile Multihop Relay(MMR) in Mobile WiMAX Systemen_US
dc.typeThesisen_US
dc.contributor.department電機學院微電子奈米科技產業專班zh_TW
Appears in Collections:Thesis


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