交織多重接取與共泛濾波多載波系統之分群子載波設計

The Design of IDMA on UFMC with Grouped Subcarriers System

10.6342/NTU201703795

謝瑞賢

交織多重接取 ； 共泛濾波多載波 ； 正交分頻復用 ； 載波頻率偏移 ； 載波頻率偏移補償 ； IDMA ； UFMC ； OFDM ； CFO ； CFO compensation

臺灣大學電信工程學研究所學位論文

2017年

碩士

吳瑞北

英文

本論文中，考將交織多重接取系統 (IDMA) 的概念及成到共泛濾波多載波 (UFMC) 系統中的結構。在該結構中，幾個相鄰子載波被分組為可由使用不同交織器的使用者共享的子頻帶。這些使用者的分離可透過交織多重接取系統的檢測來提供。而各種載波頻率偏移影響的情形將被納入考慮，同時，亦會應用一具有較低複雜度的載波頻率偏移補償法來進行補償。模擬結果中顯示，此整合交織多重接取與共泛濾波多載波之架構可支持子帶間鬆弛同步，同時在子帶內載波頻率偏移被限縮在0.1個載波頻率內時，將會獲得較良好的表現。

A structure which integrates the idea of interleave-division multiple access (IDMA) into a universal-filtered multi-carrier (UFMC) system is considered. In the system, several adjacent subcarriers are grouped as a subband which can be shared by users using different interleavers. The separation of these users can be provided by the IDMA detection. Various scenarios of carrier frequency offsets (CFOs) are assumed and a CFO compensation algorithm with lower complexity is applied. Numerical results show that IDMA-UFMC can support relaxed synchronization between subbands and perform well if the CFOs in the same subband are limited within 0.1.

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