Sounding reference signal waveform design for wireless communications
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United States of America Patent
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Jul 2, 2024
Grant Date -
Jan 21, 2021
app pub date -
Oct 1, 2020
filing date -
Mar 28, 2019
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Abstract
Techniques and devices for wireless communications are described that provide for staggering sounding reference signal (SRS) transmissions in frequency across multiple orthogonal frequency division multiplexing (OFDM) symbols, which may allow multiple UEs to transmit SRS using a common listen-before-talk (LBT) gap for a LBT procedure. The techniques also provide for transmitting an SRS across multiple OFDM symbols using same frequency resources, and an orthogonal cover code (OCC) may be applied to the SRS transmission of each OFDM symbol, which may allow multiple UEs to transmit concurrent SRS using a common LBT gap.
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