Title:
ユーザ端末及び無線通信方法
Document Type and Number:
Japanese Patent JPWO2019130506
Kind Code:
A1
Abstract:
本開示の一態様に係るユーザ端末は、プリコーダを適用して上り共有チャネルを送信する送信部と、測定用参照信号（ＳＲＳ：Sounding Reference Signal）リソースが設定されない場合において、前記プリコーダの決定に用いるポート数を特定する制御部と、を有することを特徴とする。本開示の一態様によれば、ＳＲＳリソースが設定されない場合であっても、ＵＬ信号のプリコーダを適切に決定できる。
Inventors:
Ryosuke Osawa
Yuichi Kakishima
Yuichi Kakishima
Application Number:
JP2019561496A
Publication Date:
January 07, 2021
Filing Date:
December 27, 2017
Export Citation:
Assignee:
Ntt docomo, Inc.
International Classes:
H04W16/28; H04J99/00
Other References:
NTT DOCOMO, INC.: "Beam determination for non-codebook based transmission for uplink[online]", 3GPP TSG RAN WG1 #90, vol. R1-1713911, JPN6022004306, 25 August 2017 (2017-08-25), ISSN: 0004701673
OPPO: "Remaining issues on uplink codebook design[online]", 3GPP TSG RAN WG1 #90BIS, vol. R1-1718024, JPN6022004304, 13 October 2017 (2017-10-13), ISSN: 0004701674
LG ELECTRONICS, INTEL CORPORATION: "WF on SRS Tx beam determination[online]", 3GPP TSG RAN WG1 #89, vol. R1-1709376, JPN6022004302, 19 May 2017 (2017-05-19), ISSN: 0004701675
OPPO: "Remaining issues on uplink codebook design[online]", 3GPP TSG RAN WG1 #90BIS, vol. R1-1718024, JPN6022004304, 13 October 2017 (2017-10-13), ISSN: 0004701674
LG ELECTRONICS, INTEL CORPORATION: "WF on SRS Tx beam determination[online]", 3GPP TSG RAN WG1 #89, vol. R1-1709376, JPN6022004302, 19 May 2017 (2017-05-19), ISSN: 0004701675
Attorney, Agent or Firm:
Hiroyoshi Aoki
Amada Masayuki
Moriya Yoshitaka
Kenichi Shinkai
Amada Masayuki
Moriya Yoshitaka
Kenichi Shinkai