アンライセンスバンドでのＬＴＥのためのＰＤＳＣＨプリコーディング適応

Japanese Patent JP6721594

B2

The invention relates to a method for transmitting and receiving a beamformed data transmission transmitted from a radio base station to a user equipment over an unlicensed band. The data transmission is transmitted by the radio base station within one or more resource blocks of a subframe, each resource block being composed of a plurality of resource elements. The beamformed data transmission is generated by the radio base station by 1) applying a first precoding for generating a beam directionality towards the user equipment to a subset of all the resource elements used for transmitting the data transmission in the subframe, and 2) applying a second precoding, different from the first precoding, to the remaining resource elements used for transmitting the data transmission in the subframe so as to achieve a radiation pattern different from the beam directionality towards the user equipment.

WO/2020/194279	METHOD AND APPARATUS FOR GENERATING A CHANNEL STATE INFORMATION REPORT
JP7196844	CONTROL DEVICE, WIRELESS DEVICE, METHOD AND RECORDING MEDIUM
WO/2020/200471	CHANNEL-MATRIX REDUCTION FOR PRECODING CONTROL

Einhaus Michael
All Host Yang
Masayuki Hoshino
Gorischek Edler von Eubwald Alexander

JP2017538451A

July 15, 2020

February 16, 2016

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Panasonic Intellectual Property Corporation of America

H04B7/0456; H04B7/06; H04W16/28

JP2012169738A

US20120155561
WO2014083927A1
US20140307691

Kyocera,Design overview on LAA[online],3GPP TSG RAN WG1 Meeting #78bis R1-144157,2014年 9月24日
Daisuke Nojima et al.,Performance Evaluation for Multi-User MIMO IEEE 802.11ac Wireless LAN System,International Conference on Advanced Communication Technology (ICACT) 2012,2012年,pp.804-808

Washeda International Patent Office

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