IEEE 802 16 j Reporter 1 IEEE 802

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IEEE 802. 16 j 簡介 Reporter/蔡傑宇 1

IEEE 802. 16 j 簡介 Reporter/蔡傑宇 1

關於IEEE 802. 16 j 簡介 3

關於IEEE 802. 16 j 簡介 3

Relay Station 提升效能示意圖 5

Relay Station 提升效能示意圖 5

Relay 技術概念 IEEE 802. 16 j 簡介 6

Relay 技術概念 IEEE 802. 16 j 簡介 6

NLOS Transmission Non-Line-Of-Sight Transmission => Worse signal quality, lower rate. 8

NLOS Transmission Non-Line-Of-Sight Transmission => Worse signal quality, lower rate. 8

LOS Transmission Line-Of-Sight Transmission => Better signal quality, higher rate. 9

LOS Transmission Line-Of-Sight Transmission => Better signal quality, higher rate. 9

802. 16 e 換手機制 IEEE 802. 16 j 簡介 12

802. 16 e 換手機制 IEEE 802. 16 j 簡介 12

802. 16 e 換手機制 � 網路拓墣獲得 � 換手處理 Network Topology Acquisition HO Process ◦

802. 16 e 換手機制 � 網路拓墣獲得 � 換手處理 Network Topology Acquisition HO Process ◦ BS再選取 Cell Reselection ◦ 換手決定及啟動 HO decision and initiation ◦ 與目標BS同步 Synchronization to target BS and ranging 13

802. 16 e 換手機制 ◦ 與原BS中斷 Termination with the serving BS ◦ 網路再進入 Network

802. 16 e 換手機制 ◦ 與原BS中斷 Termination with the serving BS ◦ 網路再進入 Network re-entry ◦ 換手後資料傳輸恢復 Coordination of DL transmission for HO 14

802. 16 J 換手機制之議題 IEEE 802. 16 j 簡介 15

802. 16 J 換手機制之議題 IEEE 802. 16 j 簡介 15

802. 16 j 換手機制之議題 1. 2. 3. 4. 中繼站之網路拓墣廣播 (RS network topology advertisement) 不同步的用戶掃描

802. 16 j 換手機制之議題 1. 2. 3. 4. 中繼站之網路拓墣廣播 (RS network topology advertisement) 不同步的用戶掃描 (Un-synchronized MS scanning) 複雜的基地台再選取(Complex cell reselection) 移動式中繼站換手處理 (Mobile-RS HO process) 17

結論 IEEE 802. 16 j 簡介 27

結論 IEEE 802. 16 j 簡介 27

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