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Patent Searching and Data


Title:
BASE STATION AND USER EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2019/058548
Kind Code:
A1
Abstract:
This base station communicates with a user equipment, and is provided with a configuration unit, which arranges in radio frames a reference signal used in demodulation and a reference signal used in phase correction, and a transmission unit, which transmits said radio frames to the user equipment, wherein the reference signal used in phase correction or the reference signal used in demodulation is arranged within a prescribed interval in the radio frames.

Inventors:
SAITO KEISUKE (JP)
TAKEDA KAZUAKI (JP)
NAGATA SATOSHI (JP)
KAKISHIMA YUICHI (US)
Application Number:
PCT/JP2017/034508
Publication Date:
March 28, 2019
Filing Date:
September 25, 2017
Export Citation:
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Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04W72/04
Domestic Patent References:
WO2017138871A12017-08-17
WO2017138880A12017-08-17
WO2014084029A12014-06-05
Foreign References:
Other References:
ERICSSON ET AL.: "SRS Design-On DL and UL phase noise tracking RS (PTRS)", 3GPP TSG-RAN WG1 #87AH-NR R1-1701161, 10 January 2017 (2017-01-10), XP051203355
NOKIA ET AL.: "DL DMRS patterns link performance evaluation", 3GPP TSG RAN WG1 NR AD-HOC MEETING R1-1701104, 9 January 2017 (2017-01-09), XP051202399
LG ELECTRONICS: "On collision avoidance for PTRS and other RSs", 3GPP TSG RAN WG1 MEETING NR AD-HOC #2 R1-1710291, 17 June 2017 (2017-06-17), pages 1 - 5, XP051299507
See also references of EP 3691363A4
"Rl-1715261 WF on Remaining issues on DMRS", 3GPP TSG RAN WG1 MEETING#90, 21 August 2017 (2017-08-21)
"Rl-1715205 Summary of PTRS way forwards and offline discussions", 3GPP TSG RAN WG1 MEETING#90, 21 August 2017 (2017-08-21)
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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