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A Compact CORDIC Algorithm for Synchronization of Carrier Frequency Offset in OFDM Modems
Kyu In LEE Jonghan KIM Jaekon LEE Yong Soo CHO
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.3
pp.952-954 Publication Date: 2006/03/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.3.952 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Devices/Circuits for Communications Keyword: OFDM, CORDIC, compact CORDIC, CFO,
Full Text: PDF(277.2KB)>>
Summary:
In this letter, a compact CORDIC algorithm is proposed to efficiently implement a synchronization block for carrier frequency offset (CFO) in OFDM modems. The compact CORDIC algorithm allows us to combine a CFO estimation block and a CFO compensation block into a single CFO synchronization block. It is shown by FPGA implementation results that the compact CORDIC algorithm can achieve a significant reduction in hardware complexity and latency for implementing the synchronization block in OFDM modems.
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