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Measurement configuration of user equipment

專利號
US11991550B2
公開日期
2024-05-21
申請人
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)(SE Stockholm)
發(fā)明人
Icaro L. J. Da Silva; Muhammad Kazmi; Helka-Liina M??ttanen; Iana Siomina
IPC分類
H04W24/10; H04J11/00; H04L5/00; H04W48/10; H04W72/0453; H04W76/27
技術領域
ue,fc,frb,network,frequency,node,carrier,or,nr,in
地域: Stockholm

摘要

Systems, methods, and apparatus for performing measurement configuration using a user equipment, UE, and a network node are disclosed. An example method performed by a UE includes receiving a measurement configuration from a network node, where the measurement configuration specifies a reference frequency corresponding to a set of one or more carriers. The measurement configuration further specifies an offset from the reference frequency. The UE performs measurements on a reference signal located at the offset from the reference frequency and uses the measurements for one or more radio operations.

說明書

The measurement framework in NR is likely to have some similarities with the one from LTE. For example, in NR, there are concepts such as measurement objects, report configurations, quantity configuration, etc. The network can configure an RRC_CONNECTED UE to perform cell level and beam level measurements and report them in accordance with the measurement configuration. The measurement configuration is provided by dedicated signaling and includes the following parameters:

1. Measurement objects: A list of objects on which the UE shall perform the measurements. For NR the measurement object can be associated to an NR downlink carrier frequency. Associated with this carrier frequency, the network can configure a list of blacklisted' cells and a list of ‘whitelisted’ cells. Blacklisted cells are not applicable in event evaluation or measurement reporting. Whitelisted cells are the only ones applicable in event evaluation and/or measurement reporting. NR measurements may also be configured as inter-radio access technology (RAT) measurements on NR carrier frequency when the UE is served on LTE carrier frequency. In some instances, parameters associated to the carrier frequency that are part of the NR measurement object such as the frequency location(s) of NR-PSS/NR-SSS (not necessarily at the center). Also, in certain instances, the network may configure a list of cell-specific offsets per measurement object and the whitelisted cells may be moved to some other part of the measurement configuration. For inter-RAT E-UTRA measurements when a UE is served on NR carrier a measurement object is a single E-UTRA downlink carrier frequency.

權利要求

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