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Synchronization signal block (SSB) based beam measurement and reporting in 5g nr

A technology for synchronizing signals and signals, which is applied in pilot signal allocation, wireless communication, transmission path sub-channel allocation, etc. It can solve problems such as SSB measurement failure, measurement update rate reduction, and UE mobility performance reduction.

Pending Publication Date: 2021-12-14
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, SSB measurements for BM (e.g. for beam measurement and reporting based on narrow UE beams) cannot be shared with RRM
This results in a reduced measurement update rate which can reduce beam reporting reliability and thus also UE mobility performance

Method used

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  • Synchronization signal block (SSB) based beam measurement and reporting in 5g nr
  • Synchronization signal block (SSB) based beam measurement and reporting in 5g nr
  • Synchronization signal block (SSB) based beam measurement and reporting in 5g nr

Examples

Experimental program
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Embodiment 1

[0190] Embodiment 1 may include a method performed by a user equipment (UE), including at least one SSB resource ID based on the measurement of the second signal block, wherein the second signal block utilizes SSB resource IDs at a spatial address. .

Embodiment 2

[0191] Embodiment 2 can include a method according to some other embodiments of embodiment 1 or herein, wherein the second signal block is a system information block (SIB) in 5G NR.

Embodiment 3

[0192] Embodiment 3 may include a method according to some other embodiments of embodiments 1 and 2, wherein the measurement of SIB can be based on PDCCH DMRS and / or PDSCH DMRs in the SIB, where the measurement metrics may be L1-RSRP.

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Abstract

Methods performed by a user equipment (UE) include selecting at least one synchronization signal block (SSB) resource ID based on measurements of a second signal block, wherein the second signal block comprises a system information block (SIB) in 5G new radio (NR) that is spatially quasi co-located (QCLed) with the SSB resource ID. Methods performed by a UE further include performing measurements of downlink (DL) reference resources (RS) allocated by a next generation NodeB (gNB) in a frequency range (FR), generating reporting messages based on at least the measurements and transmitting the reporting messages to the gNB. Methods performed by a gNB include allocating downlink (DL) reference resources (RS) in a frequency range (FR) for the UE and receiving or causing reception of reporting messages containing measurements by the UE for the DL RS.

Description

[0001] Priority request / incorporate [0002] The present disclosure claims the on May 10, 2019 entitled "SYNCHRONIZATION SIGNAL BLOCK (SSB) BASED BEAM MEASUREMENT AND REPORTING IN 5G NR" U.S. Provisional Patent Application Serial No. 62 / 846,254, the disclosure of reference incorporated herein. Background technique [0003] Beamforming technology can significantly improve the efficiency of network resources, and is one of the main innovative new radio 5G (NR) in. In the frequency range 5G NR 1 (FR1) (6GHz sub-bands) may be deployed in a g-NodeB (gNB) is formed based on the analog side beam antenna array. In the frequency range 5G NR 2 (FR2) (a millimeter wave band), the side and the UE gNB deployed antenna beam formed based. Collecting beam may be applied to find the GNB (in FRl) or best beam at the UE and GNB (in FR2) between the best beam pair. When the UE is gNB identification (and UE) at the start of the best beam is configured to communicate, not only for the initial acces...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04B7/08H04W74/00
CPCH04B7/063H04L5/0051H04L5/0023H04B7/0695H04L5/006
Inventor 于志斌崔杰唐扬黄睿徐青
Owner APPLE INC
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