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公开(公告)号：EP4271103A2
公开(公告)日：2023-11-01
申请号：EP23180547.4
申请日：2018-02-06
IPC分类号： H04W72/12
摘要： Methods, base stations and wireless devices for dynamic indication of channel state information (CSI) resources are provided. According to one aspect, a method for a wireless device for determining a channel state information reference symbol, CSI-RS, resource set indicated by a base station is provided. The method includes determining a CSI-RS resource set based on an indication of a CSI report setting. The CSI report setting has a one-to-one correspondence to a CSI-RS resource set.
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公开(公告)号：EP4271103A3
公开(公告)日：2024-02-14
申请号：EP23180547.4
申请日：2018-02-06
摘要： Methods, base stations and wireless devices for dynamic indication of channel state information (CSI) resources are provided. According to one aspect, a method for a wireless device for determining a channel state information reference symbol, CSI-RS, resource set indicated by a base station is provided. The method includes determining a CSI-RS resource set based on an indication of a CSI report setting. The CSI report setting has a one-to-one correspondence to a CSI-RS resource set.
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公开(公告)号：EP4024746A1
公开(公告)日：2022-07-06
申请号：EP21203911.9
申请日：2018-02-06
摘要： Methods, base stations and wireless devices for dynamic indication of channel state information (CSI) resources are provided. According to one aspect, a method for a wireless device for determining a channel state information reference symbol, CSI-RS, resource set indicated by a base station is provided. The method includes determining a CSI-RS resource set based on an indication of a CSI report setting. The CSI report setting has a one-to-one correspondence to a CSI-RS resource set.
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公开(公告)号：EP4016863A1
公开(公告)日：2022-06-22
申请号：EP22155752.3
申请日：2018-08-06
IPC分类号： H04B7/0456 , H04B7/06
摘要： Example embodiments are presented for codebook subset restriction and precoder selection in wireless communications systems. For instance, an example method (300) for codebook subset restriction at a user equipment (UE) (102) is presented. In the example method, the UE (102) can receive, from a network node (106) such as a gNB, codebook subset restriction (CBSR) signaling for a first component (128) common to precoders in a first group of codebooks (118). In an aspect of the present disclosure, a restriction of the first component (128) maps to a restriction of a second component and the second component (130) is common to precoders in a second group of codebooks (120). In addition, the example method includes restricting precoders selectable from a codebook in the second group of codebooks (120) based on the second component (130). Network-side methods are presented, as well as example UEs (102) and network nodes (106).
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公开(公告)号：EP3920455A1
公开(公告)日：2021-12-08
申请号：EP21171684.0
申请日：2017-05-15
IPC分类号： H04L5/00 , H04B7/0452 , H04B7/06 , H04L25/02 , H04B17/309 , H04B7/0456
摘要： A method performed by a radio device 6 for Channel State Information (CSI) feedback in a communication system 1 comprising a Radio Access Network (RAN) node 3 comprises receiving, from the RAN node, information about a CSI Reference Signal (RS) resource, a first CSI type and a second CSI type for feedback. The method also comprises receiving, from the RAN node, a CSI feedback request for CSI measurement and feedback of the first CSI type or the second CSI type. The method also comprises measuring CSI of the indicated type based on signals received on the CSI-RS resource. The method also comprises sending, to the RAN node, a CSI report of the requested CSI type. A corresponding method in a RAN node is furthermore presented herein.
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