A sophisticated pilot design needs to trade-off the attainable channel estimation accuracy with the induced losses in bandwidth & power efficiency. MIMO ...

Abstract. In this contribution 1 we address the issue of pilot design for channel estimation in multiple input multiple output orthogonal frequency division ...

A sophisticated pilot design needs to trade-off the attainable channel estimation accuracy with the induced losses in bandwidth & power efficiency. MIMO ...

Abstract. In this contribution 1 we address the issue of pilot design for channel estima- tion in multiple input multiple output orthogonal frequency ...

In this paper we analyze the capacity of MIMO-OFDM systems that utilize pilot symbols to acquire estimation of the radio channel at the receiver. An analytical ...

A unified analytical framework is developed to evaluate the performance at the receiver for the downlink of a Multi-Cell Multi-User MIMO-OFDM system ...

Sep 16, 2023 · Steering vectors can be used to design beamforming weights in frequency domain, by multiplying them with the data symbols on each subcarrier.

In this paper a unified analytical framework is developed to evaluate the attainable spectral efficiency of different pilot types for MIMO- OFDM employing fixed ...

Dec 10, 2023 · First, our considered FDD massive MIMO system is more practical with OFDM-based broadband transmission using hybrid analog-digital beamforming ...

Dec 10, 2023 · We propose a novel deep learning based framework where the procedures of pilot design, channel feedback, and hybrid beamforming are realized by carefully ...