公开(公告)号：US20160323830A1

公开(公告)日：2016-11-03

申请号：US15107907

申请日：2014-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jaehoon CHUNG ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04W52/14 ,  H04L5/14 ,  H04L1/00 ,  H04L25/02 ,  H04L5/00

CPC classification number: H04L5/14 ,  H04B1/525 ,  H04L1/0009 ,  H04L5/0048 ,  H04L25/0226 ,  H04W52/146 ,  H04W52/24 ,  H04W72/042 ,  H04W72/082 ,  H04W88/02 ,  H04W88/08

Abstract: Disclosed are a method and a terminal for transmitting data, the method comprising the steps of: determining, during FDR communication with a base station, an overlap region from among a resource region for transmitting an uplink data channel, the overlap region being the resource region for a downlink control channel received from the base station; mitigating the effects of self-interference in the overlap region due to an uplink communication; and transmitting the uplink data channel by means of the overlap region for which the effects of self-interference have been mitigated and the region excluding the overlap region from among the resource region for transmitting the uplink data channel.

Abstract translation: 公开了一种用于发送数据的方法和终端，所述方法包括以下步骤：在与基站的FDR通信期间，确定从用于发送上行数据信道的资源区域之中的重叠区域，所述重叠区域是所述资源区域 用于从基站接收的下行链路控制信道; 由于上行链路通信，减轻重叠区域中的自身干扰的影响; 以及通过已经减轻了自干扰的影响的重叠区域和用于发送上行链路数据信道的资源区域中的与重叠区域不同的区域来发送上行链路数据信道。

公开(公告)号：US20160316479A1

公开(公告)日：2016-10-27

申请号：US15103683

申请日：2014-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung CHOI ,  Jaehoon CHUNG ,  Eunjong LEE ,  Heejeong CHO ,  Genebeck HAHN

IPC: H04W72/08 ,  H04L5/00

CPC classification number: H04W72/085 ,  H04L5/0035 ,  H04W16/24 ,  H04W24/00 ,  H04W24/10 ,  H04W28/04 ,  H04W88/085

Abstract: Provided is a method by which a terminal performs a measurement in a cloud wireless communication system comprising one or more baseband units (BBUs), and one or more remote radio units (RRUs) connected to the specific BBU among the BBUs so as to directly provide services to the terminal through one or more cells. According to the present method, the terminal respectively receives a first measurement configuration message and a second measurement configuration message from a first BBU and a second BBU, which are connected, includes, in a first measurement report message and a second measurement report message, the results of performing a measurement on one or more first RRUs to be measured according to the first measurement configuration message and a measurement on one or more second RRUs to be measured according to the second measurement configuration message, and then transmits the first measurement report message and the second measurement report message, wherein when the first RRUs and the second RRUs include one or more overlapping RRUs, the measurement result of one or more overlapping RRUs is included only in either the first measurement report message or the second measurement report message.

Abstract translation: 提供了一种终端在包括一个或多个基带单元（BBU）的云无线通信系统和连接到BBU中的特定BBU的一个或多个远程无线电单元（RRU）之间进行测量的方法，以便直接提供 通过一个或多个单元向终端提供服务。 根据本方法，终端分别从连接的第一BBU和第二BBU接收第一测量配置消息和第二测量配置消息，在第一测量报告消息和第二测量报告消息中， 根据第一测量配置消息对要测量的一个或多个第一RRU进行测量的结果以及根据第二测量配置消息对待测量的一个或多个第二RRU进行测量的结果，然后发送第一测量报告消息和 所述第二测量报告消息，其中当所述第一RRU和所述第二RRU包括一个或多个重叠RRU时，一个或多个重叠RRU的测量结果仅包括在所述第一测量报告消息或所述第二测量报告消息中。

公开(公告)号：US20160308597A1

公开(公告)日：2016-10-20

申请号：US15033827

申请日：2014-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jaehoon CHUNG ,  Jiwon KANG ,  Kwangseok NOH ,  Kukheon CHOI ,  Hyunsoo KO ,  Jinmin KIM

IPC: H04B7/06 ,  H04B17/12

CPC classification number: H04B7/0671 ,  H04B7/0617 ,  H04B17/12

Abstract: In this disclosure, methods for pre-compensation of the phase shifting error, and apparatuses for the same are disclosed. In one example, a device performs precoding of a digital signal, while acquiring information on an error caused by a phase shifting of the precoding. Then, the device performs phase compensation on the digital signal based on the acquired information. Here, the phase compensation may compensate different amount of phase based on an amount of the phase shifting of the precoding. This phase compensated-digital signal is converted to an analogue signal, and is transmitted to a receiver.

Abstract translation: 在本公开中，公开了用于预补偿相移误差的方法及其装置。 在一个示例中，设备执行数字信号的预编码，同时获取关于由预编码的相移引起的错误的信息。 然后，设备基于所获取的信息对数字信号执行相位补偿。 这里，相位补偿可以基于预编码的相移量补偿不同的相位量。 该相位补偿数字信号被转换为模拟信号，并被发送到接收机。

公开(公告)号：US20160295572A1

公开(公告)日：2016-10-06

申请号：US15035175

申请日：2014-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Genebeck HAHN ,  Heejeong CHO ,  Jaehoon CHUNG ,  Eunjong LEE ,  Hyeyoung CHOI

IPC: H04W72/04 ,  H04W24/10 ,  H04W28/02 ,  H04W16/32

CPC classification number: H04W72/0413 ,  H04W16/32 ,  H04W24/10 ,  H04W28/0278 ,  H04W28/16 ,  H04W72/04 ,  H04W76/10 ,  H04W76/15 ,  H04W88/085

Abstract: Disclosed is a coverage setting method comprising detecting the generation of uplink data which is to be transmitted through uplink communication; transmitting an uplink data generation notification message for requesting an update of an uplink coverage to a BBU mapped to an RRU, if the uplink data is not capable of being transmitted by the RRU due to a state of the RRU being connected to a terminal, receiving, from the BBU, an RRC connection resetting message for indicating an addition of a connection with a new RRU for performing the uplink communication when it is determined that the uplink coverage of the terminal is to be updated by the BBU, and setting the connection with the new RRU to transmit the uplink data.

Abstract translation: 公开了一种覆盖设置方法，包括：检测将通过上行链路通信发送的上行链路数据的生成; 发送上行链路数据生成通知消息，用于向映射到RRU的BBU请求更新上行链路覆盖，如果RRU由于RRU的状态连接到终端而不能被RRU发送，则接收 从BBU发送一个RR​​C连接重置消息，用于指示当确定终端的上行链路覆盖要被BBU更新时用于执行上行链路通信的新RRU的连接的添加，并且设置与 新的RRU发送上行数据。

公开(公告)号：US20160269094A1

公开(公告)日：2016-09-15

申请号：US15031239

申请日：2014-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinmin KIM ,  Kwangseok NOH ,  Kukheon CHOI ,  Jaehoon CHUNG

IPC: H04B7/155 ,  H04W72/08 ,  H04W4/06 ,  H04L5/14

CPC classification number: H04B7/155 ,  H04B7/026 ,  H04B7/0413 ,  H04L5/14 ,  H04W4/06 ,  H04W72/082

Abstract: In this disclosure, methods and apparatus for managing interference are disclosed. In one example, the first station receives the first signal from the base station. The first station acquires information on a specific processing scheme of a second station for processing the first signal to be transmitted to a third station at the second station. The first station receives a second signal from the base station while the second station transmits the first signal to the third station. Here, since the first station has knowledge on the first signal and the information on the specific processing scheme, it can manage interference caused by the first signal from the second station.

Abstract translation: 在本公开中，公开了用于管理干扰的方法和装置。 在一个示例中，第一站从基站接收第一信号。 第一站获取关于第二站的特定处理方案的信息，用于处理要发送到第二站的第三站的第一信号。 第一站从基站接收第二信号，而第二站向第三站发送第一信号。 这里，由于第一站具有关于第一信号的知识和关于特定处理方案的信息，所以它可以管理由第二站的第一信号引起的干扰。

公开(公告)号：US20160262170A1

公开(公告)日：2016-09-08

申请号：US15032033

申请日：2014-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong LEE ,  Heejeong CHO ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Hyeyoung CHOI

IPC: H04W72/12

CPC classification number: H04W72/1215 ,  H04W16/14 ,  H04W72/1247 ,  H04W74/08 ,  H04W74/085 ,  H04W88/06 ,  H04W92/20

Abstract: A method for controlling, by an entity of a first radio access technology (RAT), a base station of a second RAT in a multi-RAT environment, according to one embodiment of the present invention, comprises the steps of: determining an operation mode of the base station of the second RAT; and transmitting, to the base station of the second RAT, a message instructing a transition to the determined operation mode, wherein the message changes the opportunity for the second RAT to occupy a radio resource through a contention between the base station of the second RAT and a terminal connected to the first RAT.

Abstract translation: 根据本发明的一个实施例，一种用于由多RAT环境中的第一无线电接入技术（RAT）的实体控制第二RAT的基站的方法包括以下步骤：确定操作模式 的第二RAT的基站; 以及向所述第二RAT的基站发送指示转换到所确定的操作模式的消息，其中所述消息通过所述第二RAT的基站和所述第二RAT的基站之间的竞争改变所述第二RAT的机会以占用无线资源， 连接到第一RAT的终端。

公开(公告)号：US20160261325A1

公开(公告)日：2016-09-08

申请号：US15032036

申请日：2014-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Jaehoon CHUNG ,  Jiwon KANG ,  Kitae KIM

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0691 ,  H04B7/0695 ,  H04L5/0023 ,  H04L5/0048 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system. A base station for transmitting a signal in a wireless communication system supporting multi user-multiple input and multiple output (MU-MIMO), according to another embodiment of the present invention, comprises: a radio frequency unit (RF); and a processor, wherein the processor can be configured to generate beams for subgroups including a plurality of terminals using analog beamforming, compensate beam phase difference which occurs between beams of subgroups using digital beamforming, after analog beamforming, and transmit, to the terminals, signals generated based on analog beamforming and digital beamforming.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 根据本发明的另一实施例的用于在支持多用户多输入多输出（MU-MIMO）的无线通信系统中发送信号的基站包括：射频单元（RF）; 以及处理器，其中所述处理器可以被配置为使用模拟波束形成来生成包括多个终端的子组的波束，在模拟波束成形和发射之后，使用数字波束成形在发射到亚组的子组之间发生波束相位差到终端信号 基于模拟波束成形和数字波束成形产生。

公开(公告)号：US20160241323A1

公开(公告)日：2016-08-18

申请号：US15029194

申请日：2014-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Jaehoon CHUNG ,  Jiwon KANG ,  Ilmu BYUN ,  Kilbom LEE

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

CPC classification number: H04B7/0617 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0691 ,  H04B7/0695 ,  H04L5/0023 ,  H04L5/0048 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system. A method for transmitting a signal from a base station in a wireless communication system supporting multiuser-multiple input and multiple output (MU-MIMO), according to one embodiment of the present invention, comprises the steps of: generating beams of subgroups including a plurality of terminals using analog beamforming; differentiating signals transmitted to each of the terminals using digital beamforming; and transmitting, to the terminals, signals generated based on analog beamforming and digital beamforming, wherein the weight of analog beamforming may be determined based on channel state information obtained through an uplink reference signal.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 根据本发明的一个实施例，一种用于在支持多用户多输入多输出（MU-MIMO）的无线通信系统中从基站发送信号的方法包括以下步骤：生成包括多个 使用模拟波束成形的端子; 使用数字波束形成来区分发送到每个终端的信号; 以及向所述终端发送基于模拟波束形成和数字波束成形产生的信号，其中可以基于通过上行链路参考信号获得的信道状态信息来确定模拟波束成形的权重。

公开(公告)号：US20160241308A1

公开(公告)日：2016-08-18

申请号：US14442358

申请日：2013-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinmin KIM ,  Hyunsoo KO ,  Jaehoon CHUNG

IPC: H04B7/01 ,  H04L5/00 ,  H04B17/10

CPC classification number: H04B7/01 ,  H04B17/104 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0053 ,  H04L25/0204 ,  H04L25/0224 ,  H04L25/03898

Abstract: A method for transmitting a reference signal to a user equipment at a base station in a wireless communication system is disclosed. The method includes transmitting a control channel and the reference signal having a first pattern for the control channel to the user equipment and transmitting a data channel and the reference signal having a second pattern for the data channel to the user equipment, wherein reference signal density of the second pattern is determined based on a coherence time of the data channel, and the first pattern includes the second pattern.

Abstract translation: 公开了一种在无线通信系统中的基站向用户设备发送参考信号的方法。 该方法包括向用户设备发送具有用于控制信道的第一模式的控制信道和参考信号，并向用户设备发送具有用于数据信道的第二模式的数据信道和参考信号，其中参考信号密度 基于数据信道的相干时间来确定第二图案，并且第一图案包括第二图案。

公开(公告)号：US20160234773A1

公开(公告)日：2016-08-11

申请号：US15022178

申请日：2014-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyeyoung CHOI ,  Heejeong CHO ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Eunjong LEE

IPC: H04W52/02

CPC classification number: H04W52/0206 ,  H04W88/085 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/166 ,  Y02D70/24 ,  Y02D70/25

Abstract: Disclosed are: a power control method for receiving a measurement report message with respect to an RRH from a terminal, transmitting RAT information to the terminal, receiving a wake-up request message and setting a power state of the RRH to switch-on; and a power control method for determining switch-off of the RRH on the basis of the measurement report message from the terminal, transmitting an RRH state change request message to BBUs, transmitting an RRH state change command message, switching the RRH and setting the power state of the RRH to switch-off, in a cloud RAN environment in which the RRH and the BBUs are separated.

Abstract translation: 公开了一种用于从终端接收关于RRH的测量报告消息的功率控制方法，向终端发送RAT信息，接收唤醒请求消息并设置RRH的接通电源状态; 以及功率控制方法，用于根据来自终端的测量报告消息来确定RRH的关断，向BBU发送RRH状态改变请求消息，发送RRH状态改变命令消息，切换RRH和设置功率 在RRH和BBU分离的云RAN环境中RRH状态关闭。