Title:
PROCEDURE OF CSI-RS CONFIGURATION UPDATE, TCI SWITCHING, AND SPATIAL RELATION SWITCH
Document Type and Number:
WIPO Patent Application WO/2021/087959
Kind Code:
A1
Abstract:
Apparatus and methods are provided for TCI switching related to CSI-RS measurement and reporting, spatial relation switch for SRS, PUSCH, and PUCCH. In one novel aspect, the PDSCH and PDCCH are received according to the QCLed aperiodic CSI-RS. In one embodiment, when the AP CSI-RS can configured as the reference in the TCI of PDSCH, UE would apply the updated TCI for the PDSCH, after the corresponding aperiodic report has been received at the network. In another novel aspect, spatial relation switch is based on the valid measurement report. In one embodiment, the spatial relation switch delay of aperiodic SRS can be performed only when UE has sent the corresponding measurement report to the network.
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Inventors:
LIN HSUAN-LI (CN)
TANG ZHIXUN (CN)
YU TSANG-WEI (CN)
TANG ZHIXUN (CN)
YU TSANG-WEI (CN)
Application Number:
PCT/CN2019/116622
Publication Date:
May 14, 2021
Filing Date:
November 08, 2019
Export Citation:
Assignee:
MEDIATEK INC (CN)
International Classes:
H04W72/04; H04L5/00
Domestic Patent References:
| WO2019201101A1 | 2019-10-24 |
Foreign References:
| CN110089181A | 2019-08-02 |
Other References:
MEDIATEK INC.: "Discussion on remaining issues on TCI state switch", 3GPP DRAFT; R4-1910906 DISCUSSION ON REMAINING ISSUES IN TCI STATE SWITCH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Chongqing, China; 20191014 - 20191018, 4 October 2019 (2019-10-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051793253
MEDIATEK INC.: "WF on TCI state and spatial relation switch", 3GPP DRAFT; R4-1912766 DRAFT-WF ON TCI STATE AND SPATIAL RELATION SWITCH V4, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Chongqing, China; 20191014 - 20191018, 22 October 2019 (2019-10-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051798195
MEDIATEK INC.: "draftCR on TCI state switching requirements (section 8.10)", 3GPP DRAFT; R4-1910907 DRAFTCR ON TCI STATE SWITCH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Chongqing, China; 20191014 - 20191018, 4 October 2019 (2019-10-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051793254
NOKIA, NOKIA SHANGHAI BELL: "CR TCI state switching requirements (section 8.10)", 3GPP DRAFT; R4-1910042, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Ljubljana, Slovenia; 20190826 - 20190830, 2 September 2019 (2019-09-02), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051772888
MEDIATEK INC.: "WF on TCI state and spatial relation switch", 3GPP DRAFT; R4-1912766 DRAFT-WF ON TCI STATE AND SPATIAL RELATION SWITCH V4, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Chongqing, China; 20191014 - 20191018, 22 October 2019 (2019-10-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051798195
MEDIATEK INC.: "draftCR on TCI state switching requirements (section 8.10)", 3GPP DRAFT; R4-1910907 DRAFTCR ON TCI STATE SWITCH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Chongqing, China; 20191014 - 20191018, 4 October 2019 (2019-10-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051793254
NOKIA, NOKIA SHANGHAI BELL: "CR TCI state switching requirements (section 8.10)", 3GPP DRAFT; R4-1910042, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG4, no. Ljubljana, Slovenia; 20190826 - 20190830, 2 September 2019 (2019-09-02), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051772888
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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