接收群播廣播服務所對應的回報的方法及裝置METHOD AND APPARATUS FOR RECEIVING FEEDBACK CORRESPONDING TO MULTICAST BROADCAST SERVICE

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

098108047

專利證號

I 410070

專利獲證名稱

接收群播廣播服務所對應的回報的方法及裝置METHOD AND APPARATUS FOR RECEIVING FEEDBACK CORRESPONDING TO MULTICAST BROADCAST SERVICE

專利所屬機關 (申請機關)

國立臺灣科技大學

獲證日期

2013/09/21

技術說明

廣播與群撥服務必須無區別的讓Awake模式及Idle模式下的用戶收看，過往的設計中，廣播與群撥服務並不提供上行之品質回報通道，因此，大大降低了傳送廣播與群撥服務的頻譜使用效率。根據相關文獻可知，若提供上行之品質回報機制，將可讓網路端有效的調整傳送廣播與群撥服務之實體層相關參數，以提昇頻譜使用效率。本發明提供了 一個低訊令複雜度的品質回報機制以及一個可同時調整傳送功率以及鏈結調整演算法，應用此二方法，將可有效的提昇網路的頻譜使用效率。 Normally, multicast and broadcast services (MBS) is offered in the downlink only and the MBS service flows should be transmitted and maintained for SS either in awake/sleep mode or in idle mode. However, It has been shown in the literature that the number of synchronized transmitting cells in an MBS zone, the cell size, and the users’ location distribution are factors that may affect the selection of MCS state. Unfortunately, the network cannot dynamically allocate the radio resource (e.g., transmission power control, MCS state selection, HARQ parameter setting) for BSs belonging to the same MBS zone due to the lack of a feedback mechanism. In order to enhance the spectral efficiency of E-MBS, we propose a feedback mechanism with low signaling overhead both awake and idle SSs that receiving the same MBS services to report their service qualities. We further propose a joint power control and link adaptation algorithm to increase the bandwidth efficiency of MBS.

備註

本部(收文號1090042105)同意該校109年7月8日臺科大研字第1090104783號函申請終止維護專利(臺科大)

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