Accurate Channel Identification with Time-Frequency Interferometry for OFDM

Authors:
Chang-Jun Ahn
Affiliations:
-
Venue:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Year:
2007

Citing 2
Cited 2

The effects of modulation combination, target BER, Doppler frequency, and adaptation interval on the performance of adaptive OFDM in broadband mobile channel

IEEE Transactions on Consumer Electronics
Broadband wireless access solutions based on OFDM access in IEEE 802.16

IEEE Communications Magazine

Performance enhancement of TFI-OFDM with path selection based channel identification

Digital Signal Processing
Achievable throughput enhancement based on modified carrier interferometry for MIMO/OFDM

Digital Signal Processing

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Abstract

In OFDM systems, the pilot signal averaging channel estimation is generally used to identify the channel state information (CSI). In this case, large pilot symbols are required for obtaining an accurate CSI. As a result, the total transmission rate is degraded due to large number of pilot symbols transmission. To reduce this problem, in this paper, we propose time-frequency interferometry (TFI) for OFDM to achieve an accurate CSI.