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Measurement-based random access configuration

專利號
US11991548B2
公開日期
2024-05-21
申請人
ZTE Wistron Telecom AB; ZTE (TX) INC.（SE Kista US TX Austin）
發(fā)明人
Patrick Svedman; Jan Johansson; Yonghong Gao; Aijun Cao; Thorsten Schier; Bojidar Hadjiski
IPC分類
H04W24/10; H04B7/026; H04L5/00; H04W56/00; H04W74/0833; H04W48/16
技術(shù)領(lǐng)域
random,access,rs's,in,tp,tp's,resources,rs,some,ait
地域： Kista

摘要

A method includes: receiving one or more synchronization signals; deriving a synchronization reference from the one or more synchronization signals; receiving a plurality of reference signals; based on the derived synchronization reference, performing a plurality of measurements on the plurality of reference signals; based on the plurality of measurements, selecting a plurality of random access resources; and selecting a random access resource from the plurality of random access resources for transmitting a random access signal to at least one of the one or more TP's.

說明書

In another embodiment, the device may receive system information before performing SSI measurements. As such, the procedure may be used as follows: a device searches for one or more synchronization signals that include SSI's (similar to operation 102 of FIG. 1); the device detects one or more SSI's. Each detected SSI provides the device with a sync reference (similar to operation 104 of FIG. 1); the device receives system information, including an AIT; the device decodes system information, including an AIT; the device performs measurements on one or more SSI's, where each different measurement is performed using the corresponding different SSI as sync reference; The device selects an entry in the AIT based on the SSI measurement results, e.g., the entry corresponding to the index of the strongest measured SSI. A random access configuration is included in the entry.

The procedures described above are equivalent since the order between system information reception and measurement is arbitrary.

Various further device procedure embodiments are described below, which are based on embodiments described above where a random access configuration contains one or more sets of allowed random access resources and results from measurement RS measurements are used to select such a set.

權(quán)利要求

1
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