Loza & Loza/Qualcomm
Beamforming configuration scheme
A beamforming configuration is changed during a cyclic prefix that precedes a symbol period. For example, the beamforming configuration for a transmitter can be changed during an orthogonal frequency-division multiplexing (OFDM) cyclic prefix that precedes a fast Fourier transform (FFT) window. At the receiver, the cyclic prefix is reconstructed based on the chips received during FFT window. In this way, there is no loss of data signaling due to the transmitter reconfiguring its beamforming.
QUALCOMM Incorporated
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Junyi Sundar Ashwin
Li Subramanian Sampath