公开(公告)号：US09603139B2

公开(公告)日：2017-03-21

申请号：US14426103

申请日：2013-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Jonghyun Park ,  Inkwon Seo ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L5/14 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0092 ,  H04L5/1469 ,  H04W72/0446

Abstract: The present invention relates to a method and device for receiving a downlink signal by a terminal in a wireless communication system. More particularly, the method includes: receiving first quasi co-location (QCL) characteristic-related information for the downlink communication of a first RF resource; and receiving a downlink signal by using a second RF resource, wherein the second RF resource indicates an RF resource when the use of an RF resource is changed from uplink communication use to downlink communication use at a specific time, and a downlink signal is decoded by using second QCL characteristic-related information for the downlink communication of the second RF resource, and the first QCL characteristic-related information and the second QCL characteristic-related information are independently defined.

公开(公告)号：US09590780B2

公开(公告)日：2017-03-07

申请号：US14390888

申请日：2013-04-09

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Seungmin Lee ,  Hanbyul Seo ,  Hakseong Kim

IPC: H04L5/00 ,  H04W72/04 ,  H04L5/14

CPC classification number: H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/1469 ,  H04W72/04

Abstract: The present invention relates to a method for a base station to transmit a downlink signal in a wireless communication system, including the step of transmitting information related to a downlink subframe, wherein the information related to the downlink subframe is a subframe set for uplink transmission.

Abstract translation: 本发明涉及一种基站在无线通信系统中发送下行链路信号的方法，包括发送与下行链路子帧有关的信息的步骤，其中与下行链路子帧相关的信息是用于上行链路传输的子帧。

公开(公告)号：US09544932B2

公开(公告)日：2017-01-10

申请号：US14411045

申请日：2013-06-13

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun Lee ,  Hanbyul Seo ,  Hyukjin Chae ,  Seungmin Lee ,  Inkwon Seo

IPC: H04W76/02 ,  H04W56/00 ,  H04W40/24 ,  H04W72/04 ,  H04W74/08 ,  H04W88/02

CPC classification number: H04W76/023 ,  H04W40/244 ,  H04W56/004 ,  H04W72/042 ,  H04W72/0453 ,  H04W74/0833 ,  H04W76/14 ,  H04W88/02

Abstract: One embodiment of the present invention relates to a method for enabling a first user equipment (UE) to transmit and receive a signal for device-to-device (D2D) communication in a wireless communication system, and the method for transmitting and receiving a signal for D2D communication comprises the steps of: acquiring downlink synchronization of a serving cell in a second UE; transmitting a random access preamble to the serving cell in the second UE; receiving a random access response including timing advance as a response to the random access preamble transmission; and receiving a beacon signal transmitted by the second UE using the timing advance.

Abstract translation: 本发明的一个实施例涉及一种能够使第一用户设备（UE）在无线通信系统中发送和接收设备到设备（D2D）通信的信号的方法，以及用于发送和接收信号的方法 对于D2D通信包括以下步骤：获取第二UE中的服务小区的下行链路同步; 向所述第二UE中的所述服务小区发送随机接入前导码; 接收包括作为对所述随机接入前同步码传输的响应的定时提前的随机接入响应; 以及使用所述定时提前接收由所述第二UE发送的信标信号。

公开(公告)号：US09537634B2

公开(公告)日：2017-01-03

申请号：US14405887

申请日：2013-06-07

Applicant: LG Electronics Inc.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04W4/00 ,  H04L5/00

CPC classification number: H04L5/0053 ,  H04L5/0094

Abstract: One embodiment of the present invention relates to a method for a terminal receiving control information through an enhanced physical downlink control channel (EPDCCH) in a wireless communication system, comprising the steps of: indexing resource elements (RE), which are included in a physical resource block (PRB) set of a received subframe, in units of enhanced resource element groups (EREG); indexing the EREGs that are indexed in units of enhanced control channel elements (ECCE); and determining EPDCCH candidates which comprise a terminal-specific search space on the basis of the ECCEs which are indexed, and then blind decoding same, wherein the terminal determines whether a predetermined resource unit for a common search space and the terminal-specific search space overlap.

Abstract translation: 本发明的一个实施例涉及一种终端在无线通信系统中通过增强物理下行链路控制信道（EPDCCH）接收控制信息的方法，包括以下步骤：索引资源元素（RE），其被包括在物理 以增强的资源元素组（EREG）为单位的接收子帧的资源块（PRB）集合; 以增强的控制通道要素（ECCE）为单位索引的EREG索引; 以及基于被索引的ECCE来确定包括终端特定搜索空间的EPDCCH候选，然后对其进行盲解码，其中终端确定用于公共搜索空间和终端特定搜索空间的预定资源单元是否重叠 。

公开(公告)号：US09419767B2

公开(公告)日：2016-08-16

申请号：US14405237

申请日：2013-06-18

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Inkwon Seo

IPC: H04L5/00 ,  H04W76/02 ,  H04W72/04 ,  H04W92/18 ,  H04W88/02

CPC classification number: H04L5/0053 ,  H04L5/0051 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/0094 ,  H04W72/0413 ,  H04W72/0446 ,  H04W72/048 ,  H04W76/14 ,  H04W88/02 ,  H04W92/18

Abstract: Disclosed is a method for a device, communicating device-to-device, for receiving a signal in a wireless communication system. Specifically, the method comprises the steps of: receiving, from another device, a signal via device-to-device communication during a first sub-frame; and receiving, from a base station, a signal during a second sub-frame, wherein the signal is received via device-to-device communication when the first sub-frame and the second sub-frame overlap.

Abstract translation: 公开了一种用于在无线通信系统中接收信号的装置通信设备到设备的方法。 具体地说，该方法包括以下步骤：在第一子帧期间，经由设备到设备的通信从另一设备接收信号; 以及在第二子帧期间从基站接收信号，其中当所述第一子帧和所述第二子帧重叠时，经由设备到设备通信接收所述信号。

公开(公告)号：US20150295689A1

公开(公告)日：2015-10-15

申请号：US14438577

申请日：2013-11-28

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun Lee ,  Seungmin Lee ,  Inkwon Seo ,  Hanbyul Seo

IPC: H04L5/00 ,  H04W72/04

Abstract: The present invention relates to a method for receiving a downlink control signal in a wireless communication system including monitoring EPDCCH (enhanced physical downlink control channel) candidates to decode an EPDCCH in one or two EPDCCH sets on a first serving cell configured for the UE, and receiving a PDSCH (physical downlink shared channel) corresponding to the decoded EPDCCH. The EPDCCH candidates may include EPDCCH candidates for the first serving cell and EPDCCH candidates for a second serving cell scheduled by the first serving cell. Aggregation levels and the number of the EPDCCH candidates for the second serving cell at each of the aggregation levels are associated with bandwidth of the second serving cell.

Abstract translation: 本发明涉及一种在无线通信系统中接收下行链路控制信号的方法，包括：监视EPDCCH（增强的物理下行链路控制信道）候选，以便在为该UE配置的第一服务小区上的一个或两个EPDCCH组中对EPDCCH进行解码;以及 接收对应于解码的EPDCCH的PDSCH（物理下行链路共享信道）。 EPDCCH候选可以包括第一服务小区的EPDCCH候选和由第一服务小区调度的第二服务小区的EPDCCH候选。 在每个聚合级别的第二服务小区的聚合级别和EPDCCH候选的数量与第二服务小区的带宽相关联。

公开(公告)号：US20150229455A1

公开(公告)日：2015-08-13

申请号：US14420286

申请日：2013-08-07

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Inkwon Seo ,  Hyukjin Chae

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0055 ,  H04L1/1861 ,  H04L5/0007 ,  H04W72/00 ,  H04W72/0413

Abstract: One embodiment of the present invention is a method in which a terminal transmits an acknowledgement of reception performed through an enhanced physical downlink control channel (EPDCCH) in a wireless communication system, the method comprising the steps of: decoding the EPDCCH in both a first EPDCCH physical resource block (PRB) set and a second EPDCCH PRB set; and transmitting an acknowledgement of reception performed through each EPDCCH. The resource indices for transmitting an acknowledgement of reception performed through each EPDCCH are determined in mutually different manner based on the type of the EPDCCH PRB set, whether or not the number of the PRB pairs contained in each EPDCCH PRB set corresponds to each other, and/or whether or not the EPDCCH PRB sets overlap.

Abstract translation: 本发明的一个实施例是一种终端在无线通信系统中通过增强物理下行链路控制信道（EPDCCH）发送接收确认的方法，所述方法包括以下步骤：在第一EPDCCH中对EPDCCH进行解码 物理资源块（PRB）集合和第二EPDCCH PRB集合; 以及发送通过每个EPDCCH执行的接收确认。 用于发送通过每个EPDCCH执行的接收确认的资源索引基于EPDCCH PRB组的类型以相互不同的方式确定，无论每个EPDCCH PRB组中包含的PRB对的数量是否彼此对应，以及 /或EPDCCH PRB组是否重叠。

公开(公告)号：US20150215906A1

公开(公告)日：2015-07-30

申请号：US14420592

申请日：2013-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Inkwon Seo ,  Hanbyul Seo ,  Kijun Kim ,  Suckchel Yang

IPC: H04W72/04 ,  H04L5/00 ,  H04L12/18

CPC classification number: H04W72/042 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0091 ,  H04L12/1881 ,  H04W4/06 ,  H04W72/0446 ,  H04W72/12 ,  H04W76/10 ,  H04W76/11

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment receiving a physical downlink shared channel (PDSCH) signal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a start symbol index of the PDSCH from a downlink subframe; and receiving the PDSCH signal based on the start symbol index, wherein the PDSCH can be scheduled by means of downlink control information (DCI) which is received through a physical downlink control channel (PDCCH) or an enhanced PDCCH (EPDCCH). When the DCI is comprised according to DCI format 1A, which is transmitted through the EPDDCH, and the downlink subframe is a non-multicast broadcast single frequency network (MBSFN) subframe, the start symbol index can be determined depending on an EPDCCH start symbol value which is established by an upper layer.

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，更具体地说，本发明涉及一种通过考虑天线端口关系来发送或接收下行链路信号的方法和装置。 根据本发明的一个实施例，一种在无线通信系统中接收物理下行链路共享信道（PDSCH）信号的用户设备的方法包括以下步骤：从下行链路子帧确定PDSCH的起始符号索引; 以及基于开始符号索引接收PDSCH信号，其中可以通过通过物理下行链路控制信道（PDCCH）或增强型PDCCH（EPDCCH）接收的下行链路控制信息（DCI）来调度PDSCH。 当DCI根据通过EPDDCH发送的DCI格式1A并且下行链路子帧是非多播广播单频网络（MBSFN）子帧时，可以根据EPDCCH起始符号值来确定起始符号索引 由上层建立。

公开(公告)号：US20150180616A1

公开(公告)日：2015-06-25

申请号：US14409336

申请日：2013-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Hakseong Kim ,  Inkwon Seo

IPC: H04L1/18 ,  H04W72/04

CPC classification number: H04L1/1861 ,  H04L1/1812 ,  H04L1/1835 ,  H04L5/0055 ,  H04W72/042 ,  H04W72/048

Abstract: A method for a terminal transmitting/receiving a signal with device-to-device (D2D) on the basis of a hybrid automatic repeat and request (HARQ) in a wireless communication system, comprises the steps of: receiving allocation information for establishing a wireless resource for a specific HARQ process from at least one first HARQ process as a wireless resource for a second HARQ process; and transmitting/receiving the signal with an external terminal by using the wireless resource of the second HARQ process, wherein a soft buffer, which is linked to the second HARQ process, is a reestablished soft buffer that is linked to the at least one HARQ process, in accordance with the allocation information.

Abstract translation: 一种用于在无线通信系统中基于混合自动重传和请求（HARQ）的装置到设备（D2D）发送/接收信号的方法，包括以下步骤：接收用于建立无线的分配信息 来自至少一个第一HARQ进程的特定HARQ进程的资源作为用于第二HARQ进程的无线资源; 以及通过使用所述第二HARQ进程的无线资源，用外部终端发送/接收所述信号，其中链接到所述第二HARQ进程的软缓冲器是链接到所述至少一个HARQ进程的重新建立的软缓冲器 ，按照分配信息。

公开(公告)号：US20150139109A1

公开(公告)日：2015-05-21

申请号：US14407546

申请日：2013-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094

Abstract: The present invention according to one embodiment is a control information receiving method wherein the method enables a terminal to receive control information through an enhanced physical downlink control channel (EPDCCH) in a wireless communication system, and comprises the steps of: indexing resource elements (RE) included in a physical resource block (PRB) set of a received subframe, as ‘n’ enhanced resource element groups (EREG) per PRB pair; indexing the indexed EREG as ‘m’ enhanced control channel elements (ECCE) per PRB pair; and determining EPDCCH candidates constituting a specific search space for a terminal on the basis of the indexed ECCE and performing blind decoding, wherein the number of EREG per PRB pair, ‘n’ is determined by considering at least one among the available RE number in PRB pairs, a structure of the subframe, and a type of carrier.

Abstract translation: 根据一个实施例的本发明是一种控制信息接收方法，其中所述方法使得终端能够通过无线通信系统中的增强物理下行链路控制信道（EPDCCH）来接收控制信息，并且包括以下步骤：将资源元素（RE ）包括在接收到的子帧的物理资源块（PRB）集合中，作为每个PRB对的“n”增强的资源元素组（EREG）; 将索引的EREG索引为每个PRB对的“m”增强的控制信道元素（ECCE）; 以及根据索引的ECCE确定构成用于终端的特定搜索空间的EPDCCH候选，并执行盲解码，其中每个PRB对的EREG个数'n'通过考虑PRB中的可用RE数中的至少一个来确定 对，子帧的结构以及载体的类型。