Abstract
Software and Hardware Solutions for Channel Estimation based on Cyclic Golay Sequences
Highlights
Wireless transmissions using high data rates call for fast and accurate parameter estimation for compensation of the imparities in the transciever chain
Two different ways are presented for channel estimation: the correlation-based with complex valued Golay correlator and the Fourier transformation-based with R–Discrete Fourier Transform (DFT) (N = 512)
The Bit Error Rate (BER) of Golay correlation depends on the ratio of lengths of the applied Golay sequences and the ideal channel impulse response (CIR)
Summary
Wireless transmissions using high data rates call for fast and accurate parameter estimation for compensation of the imparities in the transciever chain. The focus of the paper is the application of the complementary Golay sequences [1], [2] in digital transmission using complex baseband signals. Based on their advantageous correlation properties, powerful algorithms can be developed for the receivers to estimate and compensate imperfections [3], [4] or channel impulse response (CIR) [5]. The complex CIR estimation techniques are presented based on complex complementary Golay sequences and the corresponding complex valued Golay correlator is discussed in detail. This solution has not yet been adequately described in the literature.
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