Low-complexity cell search algorithm for interleaved concatenation ML-sequences in 3GPP-LTE systems

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题名:	Low-complexity cell search algorithm for interleaved concatenation ML-sequences in 3GPP-LTE systems
作者:	蔡佩芸;Liao, Chia-Chun;Tsai, Pei-Yun;Chiueh, Tzi-Dar
贡献者:	資訊電機學院電機工程學系
关键词:	3GPP-LTE;Algorithm design and analysis;Cell search;Complexity theory;Computer architecture;Correlation;Microprocessors;ML-sequence;Quantization;secondary synchronization signal;Synchronization
日期:	2012-09-03
上传时间:	2026-04-23 14:22:36 (UTC+8)
出版者:	IEEE Communications Society;IEEE
摘要:	摘要： In this paper, we present a low-complexity cell-search algorithm and architecture for secondary synchronization signal in 3GPP-LTE downlink systems. Differential correlations are computed to remove common channel effects so that two sets of synchronization signals can be combined to obtain enhanced detection quality. To achieve low complexity, we further adopt one-bit quantization and exploit the properties of limited offset in the indices of the two maximal-length sequences. The arithmetic complexity of the proposed algorithm is significantly reduced while attaining similar detection performance comparable to the conventional schemes. Finally, hardware architecture of the proposed algorithm is presented to demonstrate feasibility and efficiency in the implementation. 其他題名： LWC 出版者： IEEE 出版日期： 2012-08-01 出處： IEEE wireless communications letters, 2012-08, Vol.1 (4), p.280-283 資源來源： IEEE Xplore 識別號： ISSN: 2162-2337 識別號： EISSN: 2162-2345 識別號： DOI: 10.1109/WCL.2012.041612.110263 識別號： CODEN: IWCLAF
显示于类别:	[電機工程學系] 期刊論文

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