BLOCK BASED PREAMBLE DESIGN FOR AUTONOMOUS UPLINK TRANSMISSIONS
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Jul 21, 2019
filing date -
Jul 21, 2019
priority date (Note) -
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Abstract
Methods, systems, and devices for wireless communications are described. A base station may assign a set of preamble blocks for autonomous uplink transmissions from a preamble block pool. A user equipment (UE) may identify indices for each of a set of indexed sequences to be transmitted over the set of preamble blocks. The UE may select or identify the indices by performing an encoding procedure on a set of parameters. The indices may be applied to the pool of indexed sequences, and the resulting set of sequences may be transmitted over the set of assigned preamble blocks. The base station may recognize composite sequences transmitted from UEs on respective sets of preamble blocks based on the set of sequences. Thus, the base station may identify a data transmission from the UE based on monitoring for and identifying the set of sequences transmitted on the preamble blocks.
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