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Measurement-based random access configuration

專利號(hào)
US11991548B2
公開日期
2024-05-21
申請(qǐng)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 some embodiments, one or more parameters related to the measurement RS are explicitly defined in a standard. In some embodiments, one or more parameters related to the measurement RS were configured specifically for the device in an earlier connection to the network. In some embodiments where a device is capable of multiple simultaneous connections, such as dual connectivity in LTE or multi-connectivity in future systems, one or more parameters related to the measurement RS are configured through an already present connection. An already present connection is on the same carrier (i.e. frequency band) as the carrier where the initial access of this disclosure occurs, in some embodiments, and on another carrier, in some embodiments.

In some embodiments, the one or more parameters related to the measurement RS's includes one or more of the following:

    • the total bandwidth used for the measurement RS's,
    • the frequency spacing between subcarriers1 used for an individual measurement RS or for multiple different measurement RS's,
    • the time duration for an instance of an individual measurement RS, or for multiple different measurement RS's, e.g. the duration within a burst,
    • the time offset between a synchronization signal and an individual measurement RS, or multiple different measurement RS's,
    • the distribution in time and/or frequency between time-symbols and/or subcarriers used for an individual measurement RS,
    • the sequence or code used for an individual measurement RS, or for multiple different measurement RS's,

權(quán)利要求

1
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