篇名 | 利用TI DSP實現IEEE 802.16m即時通訊系統 同步設計 |
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卷期 | 134 |
並列篇名 | Real-Time Implementation of IEEE 802.16m Synchronization by TI DSP |
作者 | 林佳宏 、 邱國泰 、 丁邦安 |
頁次 | 12-20 |
關鍵字 | 同步 、 細胞搜尋 、 正交分頻多工存取 、 多重輸入多重輸出 、 Synchronization 、 Cell Search 、 Orthogonal Frequency Division Multiple Access=OFDMA 、 Multiple-Input Multiple-Output=MIMO |
出刊日期 | 201008 |
本文提出一個低複雜度實現IEEE 802.16m同步與細胞搜尋演算法的即時系統。文中針對標準規範所制訂的訊框架構與先進式前導序列的特性及其功能特徵加以介紹,並且詳細說明在此系統特徵下所設計的演算法架構。在即時系統的實現上,本文利用德州儀器所開發的數位訊號處理器
DSP(Digital Signal Processor)加以實現,這個DSP是架構在Sundance所開發的模組板上,並且搭配其所開發的無線天線模組及FPGA模組,在實際的訊號環境上進行傳輸。最後,本文針對各個同步與細胞搜尋模組進行實測,除了確認演算法的準確性之外,也將對各模組的耗時進行分析,以確保系統操作在即時(Real-Time)的狀態之下
This paper proposed a low-complexity real-time synchronization and cell search algorithms which are implemented in IEEE 802.16m system by TI DSP. We described some key features of the basic frame structure and advanced-preamble, and how our algorithms implemented in such a real-time system. The DSP module is embedded on the TI third-party, Sundance SMT boards, which include the RF and FPGA modules. IEEE 802.16m signals are transmitted over the air and received by the RF module, processed by FPGA and DSP modules. The algorithm accuracy and system time consuming issues are identified as well.