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Frequency Synchronization and Channel Estimation for Wireless ATM
Hyoung Kyu SONG
Jin Woong CHO
IEICE TRANSACTIONS on Communications
Publication Date: 1999/02/25
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Radio Communication
frequency synchronization, channel estimation, OFDM,
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The frequency-offset estimation of a wireless asynchronous transfer mode (ATM) modem based on the orthogonal frequency division multiplexing (OFDM) is discussed. For burst synchronization operating under the time-division multiple access (TDMA) medium access control (MAC), an OFDM preamble using a multistage frequency-offset estimation technique is proposed and shown to have a good accuracy with a large estimation range. And also an averaged decision-directed channel estimation (ADDCE) technique suitable for burst data is proposed.