公开(公告)号：US20190036659A1

公开(公告)日：2019-01-31

申请号：US15755895

申请日：2016-07-04

申请人： LG ELECTRONICS INC.

发明人： Heejin KIM ,  Jiwon KANG ,  Kilbom LEE ,  Kitae KIM ,  Kungmin PARK

IPC分类号： H04L5/00 ,  H04B7/0456 ,  H04B7/0417 ,  H04B7/0408 ,  H04W72/02

CPC分类号： H04L5/0032 ,  H04B7/0408 ,  H04B7/0417 ,  H04B7/046 ,  H04B7/0686 ,  H04B7/0695 ,  H04B7/0697 ,  H04B7/0868 ,  H04L5/0026 ,  H04L5/0037 ,  H04W72/02

摘要： The present application discloses a method for transmitting, at a transmitting end, a signal to a receiving end in a wireless communication system. Specifically, the method for transmitting a signal comprises the steps of: receiving preferred beam identifier information from a representative receiving end of a plurality of receiving ends comprising the receiving end; configuring, on the basis of the preferred beam identifier information, a first precoder for aiming the direction of the signal in a first beam direction and a second precoder for aiming the direction of the signal in the direction of the receiving end with respect to the first beam direction; and transmitting the signal to the receiving end using a hybrid beamformer comprised of the first precoder and the second precoder.

公开(公告)号：US20180241457A1

公开(公告)日：2018-08-23

申请号：US15753536

申请日：2016-07-29

申请人： LG ELECTRONICS INC.

发明人： Kilbom LEE ,  Jiwon KANG ,  Kitae KIM ,  Kungmin PARK ,  Heejin KIM

IPC分类号： H04B7/06 ,  H04W56/00 ,  H04W76/11

CPC分类号： H04B7/0639 ,  H04B7/06 ,  H04B7/0617 ,  H04B7/0695 ,  H04J13/0044 ,  H04W56/0015 ,  H04W76/11

摘要： Disclosed are a beam scanning method and a base station, the method in which generated is a code book comprising a plurality of second precoders, defined by the weighted sums of a plurality of first precoders, and in which a plurality of synchronization signals, to which applied are second precoders that are selected from the code book and differ from each other, are transmitted to a terminal over a plurality of time intervals. The synchronization signals are used in synchronization, beam scanning and cell ID acquisition of the terminal, and each weighted sum applied to the plurality of first precoders indicates a beam ID used in the beam scanning.

公开(公告)号：US20180192464A1

公开(公告)日：2018-07-05

申请号：US15738542

申请日：2016-03-28

申请人： LG ELECTRONICS INC.

发明人： Kungmin PARK ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Heejin KIM

IPC分类号： H04W76/15 ,  H04B7/0413 ,  H04B7/06 ,  H04W48/20

CPC分类号： H04W76/15 ,  H04B7/0413 ,  H04B7/0697 ,  H04W48/20

摘要： The present document is for a wireless communication using multiple antenna units based on new virtual user equipment (virtual UE) concept. A user equipment (UE), according to the present invention, receives service from a network in a wireless communication system by registering multiple antenna units of the UE as two or more virtual UEs with a first network entity of the network, wherein the first network entity is a network node for physical radio link control; and receiving the service from the network by the two or more virtual UEs. The two or more virtual UEs of the UE are recognized as one UE by network entities of the network other than the first network entity.

公开(公告)号：US20180076870A1

公开(公告)日：2018-03-15

申请号：US15558150

申请日：2015-07-27

申请人： LG ELECTRONICS INC.

发明人： Heejin KIM ,  Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Kungmin PARK

IPC分类号： H04B7/06 ,  H04L5/00 ,  H04W72/04

CPC分类号： H04B7/0626 ,  H04B7/04 ,  H04B7/0478 ,  H04B7/06 ,  H04B7/0617 ,  H04B7/0632 ,  H04B7/0639 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0057 ,  H04W72/0413

摘要： The present specification relates to a method by which a terminal feeds back CSI information in a wireless communication system to which 3D beamforming is applied, the method comprising the steps of: receiving a pilot signal (reference signal) from a base station; setting a CSI transmission mode; and feeding back the CSI information on the basis of the set CSI transmission mode, wherein in the CSI transmission mode, the CSI information can be fed back through either: a first transmission mode transmitting the CSI information including PMI information on either vertical beamforming or horizontal beamforming, or a second transmission mode transmitting the CSI information including PMI information on both the vertical beamforming and the horizontal beamforming.

公开(公告)号：US20180041262A1

公开(公告)日：2018-02-08

申请号：US15555929

申请日：2015-12-16

申请人： LG ELECTRONICS INC.

发明人： Jiwon KANG ,  Kitae KIM ,  Kilbom LEE ,  Kungmin PARK ,  Heejin KIM

IPC分类号： H04B7/06

CPC分类号： H04B7/0617 ,  H04B7/0413 ,  H04B7/063 ,  H04B7/0695

摘要： A method of transmitting a signal, which is transmitted by a transmitting end in a wireless communication system, is disclosed in the present specification. Specifically, the method includes the steps of receiving Doppler information on a plurality of transmission beams from a receiving end; selecting a beam combination using the received Doppler information, wherein the beam combination is selected from a plurality of beam combinations depending on effective Doppler spread values of the beam combinations, wherein each of the beam combinations consists of two or more transmission beams among the plurality of transmission beams; and transmitting the signal to the receiving end using at least one transmission beam included in the selected beam combination.

公开(公告)号：US20180026825A1

公开(公告)日：2018-01-25

申请号：US15549135

申请日：2015-02-04

申请人： LG ELECTRONICS INC.

发明人： Hyunsoo KO ,  Heejeong CHO ,  Hyeyoung CHOI ,  Ilmu BYUN ,  Kungmin PARK

IPC分类号： H04L27/36 ,  H04B7/06

CPC分类号： H04L27/362 ,  H04B7/0413 ,  H04B7/0602 ,  H04B7/0604 ,  H04B7/0613 ,  H04B7/0669 ,  H04L27/34

摘要： Disclosed is a method of transmitting signals by a transmitting side device having multiple antennas. In this method, the transmitting side device spatially modulates information to be transmitted, where the information is spatially modulated to be represented based on which antennas among the N antennas are selected to be used for transmission. And, the transmitting side device transmits the spatially modulated information through the selected antennas. Here, the number of the selected antennas for transmitting one transmission information unit (hereinafter, ‘M’ where M≦N) is plural. And, different sequence of the selected antennas represents different information to be transmitted.

公开(公告)号：US20170318590A1

公开(公告)日：2017-11-02

申请号：US15523836

申请日：2014-11-04

申请人： LG ELECTRONICS INC.

发明人： Ilmu BYUN ,  Heejeong CHO ,  Hyunsoo KO ,  Hyeyoung CHOI ,  Kungmin PARK

IPC分类号： H04W72/04 ,  H04W16/28

CPC分类号： H04W72/0473 ,  H04B7/02 ,  H04B7/0617 ,  H04W16/28 ,  H04W52/00 ,  H04W52/244 ,  H04W52/367 ,  H04W52/42

摘要： The signal transmission method according to the present invention comprises: determining the beam width of a beam to be transmitted; based on the beam width, determining relative narrowband transmit power (RNTP) information indicating whether or not to transmit, to a preset resource block, transmission power equal to or greater than a preset critical value; transmitting the RNTP information to an adjacent cell; and transmitting the generated beam to the resource block according to the RNTP information. Accordingly, provided is a method for setting a relative narrowband transmit power (RNTP) value so as to control interference between cells in a communication system.

公开(公告)号：US20170279574A1

公开(公告)日：2017-09-28

申请号：US15505811

申请日：2014-09-17

申请人： LG ELECTRONICS, INC.

发明人： Kungmin PARK ,  Heejeong CHO ,  Hyunsoo KO ,  Hyeyoung CHOI ,  Ilmu BYUN

IPC分类号： H04L5/00 ,  H04J1/16 ,  H04W72/08 ,  H04B17/345 ,  H04W72/12 ,  H04B17/309

CPC分类号： H04L5/0032 ,  H04B7/022 ,  H04B7/0669 ,  H04B7/15507 ,  H04B17/309 ,  H04B17/345 ,  H04J1/16 ,  H04W72/082 ,  H04W72/1231

摘要： Disclosed is a method for mitigating inter-cell interference. A method for mitigating inter-cell interference can comprise the steps of: a terminal, which is being serviced by means of a fixed cell, receiving from the fixed cell a first signal that is generated on the basis of a first STBC; the terminal, in time resources overlapping the reception time of the first signal, receiving from a moving cell a second signal that is generated on the basis of a second STBC; and the terminal determining a transmission symbol component on the basis of the first signal and an interference component on the basis of the first signal and the second signal.

公开(公告)号：US20170230152A1

公开(公告)日：2017-08-10

申请号：US15519377

申请日：2015-01-16

申请人： LG ELECTRONICS INC.

发明人： Ilmu BYUN ,  Heejeong CHO ,  Hyunsoo KO ,  Hyeyoung CHOI ,  Kungmin PARK

IPC分类号： H04L5/00 ,  H04W28/04

CPC分类号： H04L5/0032 ,  H04B7/024 ,  H04B7/0456 ,  H04J11/005 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04W28/04 ,  H04W52/343

摘要： Provided is a method for transmitting and receiving inter-cell information for cancelling inter-cell interference in a wireless communication system. The method for transmitting and receiving inter-cell information may comprise the steps in which: a base station of a victim cell transmits, to a base station of an adjacent aggressor cell, a first PMI set which is a set of PMIs of a signal corresponding to an area partitioned in a predetermined direction; the base station of the aggressor cell transmits, to the victim cell, the signal of the PMIs by using a specific resource; the base station of the victim cell receives, from a terminal in the victim cell, a feedback signal on the signal of the PMIs; the base station of the victim cell transmits, to the base station of the aggressor cell, the feedback information; and the base station of the aggressor cell updates the first PMI set to a second PMI set on the basis of the feedback information, and transmits, to the base station of the victim cell, the updated second PMI set.

公开(公告)号：US20170215152A1

公开(公告)日：2017-07-27

申请号：US15328870

申请日：2014-07-24

申请人： LG ELECTRONICS INC.

发明人： Ilmu BYUN ,  Hyunsoo KO ,  Kungmin PARK ,  Heejeong CHO ,  Hyeyoung CHOI

IPC分类号： H04W52/22 ,  H04W16/28 ,  H04B7/06 ,  H04L5/00 ,  H04W72/04

CPC分类号： H04W52/226 ,  H04B7/02 ,  H04B7/0617 ,  H04B7/0619 ,  H04L5/0048 ,  H04W16/28 ,  H04W52/143 ,  H04W52/16 ,  H04W52/18 ,  H04W52/281 ,  H04W52/325 ,  H04W52/38 ,  H04W72/042 ,  H04W72/046 ,  H04W72/0473 ,  H04W88/02

摘要： Provided are a method and an apparatus for controlling transmission power to remove symbol level interference when forming differentiated beams in a wireless system. A terminal, according to the present invention, may receive, from each of M resource blocks, M reference signals, and determine a power ratio between the reference signals and data signals for each of the M reference signals, wherein the beam width for each of the M reference signals may differ depending on the index of the resource blocks, and wherein the power ratio may be determined on the basis of beam width parameters corresponding to the index of the resource blocks.