SIGNAL TRANSMISSION METHOD AND APPARATUS
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United States of America
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Jan 9, 2025
app pub date -
Sep 20, 2024
filing date -
Sep 20, 2024
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Abstract
The present disclosure relates to signal transmission methods and apparatuses. One example method includes spreading a preamble symbol based on a first spreading code sequence to generate a first signal, and sending the first signal to a receiver. The first signal is used to determine a channel impulse response. The first spreading code sequence includes a plurality of spreading code groups, each spreading code group includes a plurality of same spreading codes and at least one guard symbol, at least one of a first bit or a last bit of each spreading code group is a guard symbol, and the plurality of spreading code groups include at least two spreading code groups with different spreading codes.
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