Mobility

Jitter Mitigation in High-Frequency Bandpass-Sampling OFDM Radios

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Executive Summary

This paper presents a new way to address and mitigate sampling jitter in high-frequency band-pass-sampling OFDM radio receivers. Baseband model for mapping the sampling jitter to certain type of phase noise is first presented, and stemming from this model, state-of-the-art phase noise mitigation techniques are then proposed to remove the jitter induced signal distortion. Performances of the proposed jitter mitigation techniques are analyzed with extensive computer simulations in high-speed band-pass sampling multicarrier system context. In the link performance simulations, both Additive White Gaussian Noise (AWGN) and extended ITU-R Vehicular A multipath (eVehA) radio channel types are used, combined with realistic sampling clock and jitter modeling.

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