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Title:
SPATIAL DOMAIN PRECODERS FOR SERVING CELLS
Document Type and Number:
WIPO Patent Application WO/2023/212839
Kind Code:
A1
Abstract:
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for spatial domain precoders for serving cells. A device may communicate with a network entity on multiple serving cells and may use spatial relation information associated with one serving cell to select a spatial domain precoder for transmissions on another serving cell. For example, the device may derive a spatial domain precoder for a transmission on a first serving cell using spatial relation information for receiving reference signals on a second serving cell. Additionally, or alternatively, the device may calculate a spatial domain precoder for a transmission on a first serving cell in response to monitoring a second serving cell for a downlink reference signal. Additionally, or alternatively, the device may select a spatial domain precoder for a transmission on a first serving cell based on uplink precoding information indicated for a second serving cell.

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Inventors:
LI QIAOYU (US)
TAHERZADEH BOROUJENI MAHMOUD (US)
LUO TAO (US)
Application Number:
PCT/CN2022/090850
Publication Date:
November 09, 2023
Filing Date:
May 04, 2022
Export Citation:
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Assignee:
QUALCOMM INC (US)
LI QIAOYU (CN)
TAHERZADEH BOROUJENI MAHMOUD (US)
LUO TAO (US)
International Classes:
H04W72/12; H04L5/00
Domestic Patent References:
WO2021228869A22021-11-18
WO2022067866A12022-04-07
WO2021169938A12021-09-02
Foreign References:
US20220116979A12022-04-14
CN114430314A2022-05-03
Other References:
LENOVO, MOTOROLA MOBILITY: "Maintenance for codebook and non-codebook based UL transmission", 3GPP DRAFT; R1-1808549, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Goteborg, Sweden; 20180820 - 20180824, 10 August 2018 (2018-08-10), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051515926
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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