公开(公告)号：US20160112176A1

公开(公告)日：2016-04-21

申请号：US14981371

申请日：2015-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Joon Kui AHN ,  Jung Hoon LEE ,  Suck Chel YANG ,  Dong Youn SEO

IPC: H04L5/00 ,  H04L1/18 ,  H04W72/04

CPC classification number: H04L5/0055 ,  H04L1/1607 ,  H04L1/1861 ,  H04L1/1893 ,  H04L5/0053 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/1284

Abstract: A method for transmitting an uplink signal by a user equipment (UE) in a wireless communication system, and the UE therefore are discussed. The method according to one embodiment includes receiving, by the UE, control information through a physical downlink control channel (PDCCH); determining, by the UE, a physical uplink control channel (PUCCH) resource by adding a first index offset and a second index offset to a lowest index of one or more resource units used for the PDCCH, the first index offset being signaled through the PDCCH and the second index offset being signaled through higher layer signaling; and transmitting, by the UE, acknowledgment/negative-acknowledgment (ACK/NACK) information using the PUCCH resource.

Abstract translation: 因此，讨论了在无线通信系统中由用户设备（UE）发送上行链路信号的方法以及UE。 根据一个实施例的方法包括：通过物理下行链路控制信道（PDCCH）接收UE的控制信息; 通过向用于PDCCH的一个或多个资源单元的最低索引添加第一索引偏移量和第二索引偏移量，由所述UE确定物理上行链路控制信道（PUCCH）资源，所述第一索引偏移量通过所述PDCCH发送信号 并且通过较高层信令来发信号通知第二索引偏移; 以及由所述UE使用所述PUCCH资源发送确认/否定确认（ACK / NACK）信息。

公开(公告)号：US20160105270A1

公开(公告)日：2016-04-14

申请号：US14974366

申请日：2015-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Suck Chel YANG ,  Joon Kui AHN ,  Dong Youn SEO ,  Min Gyu KIM

IPC: H04L5/00 ,  H04L1/18 ,  H04J3/16

CPC classification number: H04L5/0055 ,  H04J3/1694 ,  H04J13/0074 ,  H04L1/1607 ,  H04L1/1614 ,  H04L1/1692 ,  H04L1/1812 ,  H04L1/1861 ,  H04L1/1864 ,  H04L2001/125 ,  H04W72/04

Abstract: A method of configuring a positive acknowledgement (ACK) or negative acknowledgement (NACK) in a wireless communication system based on time division duplex (TDD) in which M, M=4, downlink subframes are associated with an uplink subframe. The method is performed by a user equipment receiving a physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH). The user equipment receives at least one downlink transport block in the M downlink subframes from a first serving cell. The user equipment determines ACK/NACK states {HARQ-ACK(1), HARQ-ACK(2), HARQ-ACK(3), HARQ-ACK(4)} for the first serving cell. The use equipment determines an ACK/NACK response based on the ACK/NACK states.

Abstract translation: 在基于M，M = 4，下行链路子帧与上行链路子帧相关联的时分双工（TDD）的无线通信系统中配置肯定确认（ACK）或否定确认（NACK）的方法。 该方法由接收物理下行链路共享信道（PDSCH）和物理下行链路控制信道（PDCCH）的用户设备执行。 用户设备从第一服务小区接收M个下行链路子帧中的至少一个下行传输块。 用户设备确定第一服务小区的ACK / NACK状态{HARQ-ACK（1），HARQ-ACK（2），HARQ-ACK（3），HARQ-ACK（4）}。 使用设备基于ACK / NACK状态来确定ACK / NACK响应。

公开(公告)号：US20150365949A1

公开(公告)日：2015-12-17

申请号：US14829092

申请日：2015-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Min Gyu KIM ,  Dong Youn SEO ,  Han Byul SEO ,  Joon Kui AHN ,  Suck Chel YANG

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/0413 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0091 ,  H04W28/26 ,  H04W72/0406 ,  H04W72/042 ,  H04W72/0453 ,  H04W88/08

Abstract: A method of transmitting a sounding reference signal (SRS) by a user equipment in a wireless communication system, a non-transitory computer readable medium on which a program for executing the method is recorded, and a user equipment for performing the method are discussed. The method according to one embodiment includes receiving a physical downlink control channel (PDCCH) including a carrier indicator field (CIF) and an SRS field via a first component carrier (CC) among a plurality of CCs including the first CC and one or more second CCs, the CIF indicating a specific CC and the SRS field indicating whether the user equipment has to transmit the SRS; transmitting the SRS on an uplink subframe; and receiving a first medium access control (MAC) information. If a bit for the specific CC in a bitmap has been disabled, the specific CC and SRS transmission on the specific CC are deactivated.

Abstract translation: 一种在无线通信系统中的用户设备发送探测参考信号（SRS）的方法，其中记录有用于执行该方法的程序的非暂时计算机可读介质以及用于执行该方法的用户设备。 根据一个实施例的方法包括在包括第一CC和一个或多个第二CC的多个CC中经由第一分量载波（CC）接收包括载波指示符字段（CIF）和SRS字段的物理下行链路控制信道（PDCCH） CC，指示特定CC的CIF和指示用户设备是否必须发送SRS的SRS字段; 在上行链路子帧上发送SRS; 以及接收第一介质访问控制（MAC）信息。 如果位图中特定CC的位被禁用，则特定CC上的特定CC和SRS传输将被禁用。

公开(公告)号：US20150163038A1

公开(公告)日：2015-06-11

申请号：US14566540

申请日：2014-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Suck Chel YANG ,  Dong Youn SEO ,  Min Gyu KIM ,  Joon Kui AHN ,  Jung Hoon LEE

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04W72/0406 ,  H04L5/0005 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0098 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0453 ,  H04W74/004 ,  H04W88/08

Abstract: A method for a base station to receive an uplink transmission from a user equipment configured with multiple uplink component carriers in a wireless communications system. The method according to one embodiment includes transmitting, to the user equipment, Radio Resource Control (RRC) configuration information for a Sounding Reference Signal (SRS), the RRC configuration information including information for periodically receiving the SRS from the user equipment; transmitting, to the user equipment, Layer 2 (L2) control information indicating states of the plurality of uplink component carriers; and performing a procedure for periodically receiving the SRS from the user equipment on a corresponding uplink component carrier in use of the RRC configuration information. According to whether the corresponding uplink component carrier is in an available state or a non-available state at a time for receiving the SRS, the SRS or no SRS is received from the user equipment, respectively.

Abstract translation: 一种用于基站在无线通信系统中从配置有多个上行链路分量载波的用户设备接收上行链路传输的方法。 根据一个实施例的方法包括向用户设备发送用于探测参考信号（SRS）的无线电资源控制（RRC）配置信息，所述RRC配置信息包括用于从用户设备周期性地接收SRS的信息; 向所述用户设备发送指示所述多个上行链路分量载波的状态的第二层（L2）控制信息; 以及在使用RRC配置信息的同时，在相应的上行链路分量载波上执行用于周期性地从用户设备接收SRS的过程。 根据相应的上行链路分量载波是否处于用于接收SRS的时间的可用状态或不可用状态，分别从用户设备接收SRS或无SRS。

公开(公告)号：US20150092730A1

公开(公告)日：2015-04-02

申请号：US14566569

申请日：2014-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Suck Chel YANG ,  Dong Youn SEO ,  Min Gyu KIM ,  Joon Kui AHN ,  Jung Hoon LEE

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04W72/0406 ,  H04L5/0005 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0098 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0453 ,  H04W74/004 ,  H04W88/08

Abstract: A method for a base station to receive an uplink transmission from a user equipment. The method according to one embodiment includes transmitting, to the user equipment, Radio Resource Control (RRC) configuration information for channel status report, the RRC configuration information including information for periodically receiving channel status report from the user equipment; transmitting, to the user equipment, Layer 2 (L2) control information indicating states of the plurality of downlink component carriers, each of the plurality of downlink component carriers being indicated as one of an active state and a non-active state; and performing a procedure for periodically receiving channel status report for a corresponding downlink component carrier from the user equipment in use of the RRC configuration information. According to whether the corresponding downlink component carrier is in the active state or the non-active state at a time for receiving a channel status report, channel status information or no channel status information is received for the corresponding downlink component carrier from the user equipment at the time, respectively.

Abstract translation: 一种用于基站从用户设备接收上行链路传输的方法。 根据一个实施例的方法包括向用户设备发送用于信道状态报告的无线电资源控制（RRC）配置信息，所述RRC配置信息包括用于周期性地从用户设备接收信道状态报告的信息; 向所述用户设备发送指示所述多个下行链路分量载波的状态的第二层（L2）控制信息，所述多个下行链路分量载波中的每一个被指示为活动状态和非活动状态之一; 以及在使用RRC配置信息时，执行用于周期性地从用户设备接收相应下行链路分量载波的信道状态报告的过程。 根据相应的下行链路分量载波是否处于用于接收信道状态报告的时间的活动状态或非活动状态，对于来自用户设备的相应下行链路分量载波，接收信道状态信息或无信道状态信息 时间分别。

公开(公告)号：US20150071232A1

公开(公告)日：2015-03-12

申请号：US14543525

申请日：2014-11-17

Applicant: LG ELECTRONICS INC.

Inventor： Suck Chel YANG ,  Min Gyu KIM ,  Joon Kui AHN ,  Dong Youn SEO

IPC: H04W56/00 ,  H04W72/04 ,  H04W72/08

CPC classification number: H04W72/042 ,  H04L1/0026 ,  H04L5/001 ,  H04L27/2655 ,  H04W56/0005 ,  H04W72/087 ,  H04W74/0833 ,  H04W76/28

Abstract: The present invention relates to a wireless communication system. More specially, the present invention relates to a method of maintaining uplink synchronization at a user equipment in a wireless communication system supporting carrier aggregation; configuring plural uplink component carriers, wherein each of the plural uplink component carriers has a respective uplink synchronization timing; receiving a downlink control information (DCI) through a physical downlink control channel of a specific downlink component carrier, wherein the DCI indicates an initiation of random access procedure and includes a carrier indicator field indicating one of the plurality of uplink component carriers; and transmitting a random access preamble through a uplink component carrier indicated by the carrier indicator field among the plural uplink component carriers.

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，本发明涉及一种在支持载波聚合的无线通信系统中维护用户设备上行同步的方法; 配置多个上行链路分量载波，其中所述多个上行链路分量载波中的每一个具有相应的上行链路同步定时; 通过特定下行链路分量载波的物理下行链路控制信道接收下行链路控制信息（DCI），其中DCI指示随机接入过程的发起，并且包括指示多个上行链路分量载波之一的载波指示符字段; 以及通过所述多个上行链路分量载波中的所述载波指示符字段指示的上行链路分量载波来发送随机接入前导码。

公开(公告)号：US20150071222A1

公开(公告)日：2015-03-12

申请号：US14539810

申请日：2014-11-12

Applicant: LG ELECTRONICS INC.

Inventor： Joon Kui AHN ,  Suck Chel YANG ,  Yun Jung YI ,  Dong Youn SEO

IPC: H04W52/32 ,  H04W56/00 ,  H04L5/00

CPC classification number: H04L5/0048 ,  H04B17/318 ,  H04L5/0037 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0053 ,  H04L27/2601 ,  H04W4/00 ,  H04W52/146 ,  H04W52/16 ,  H04W52/32 ,  H04W52/325 ,  H04W52/367 ,  H04W56/0005 ,  H04W56/0045 ,  H04W72/0413 ,  H04W72/0446 ,  H04W74/0833

Abstract: A method, performed by a user equipment, is described for uplink transmission in a wireless communication system. A first time alignment (TA) to a first cell belonging to a first timing advance group (TAG) is performed. A second TA to a second cell belonging to a second TAG is performed. A determination is made as to whether to transmit or drop a sounding reference signal (SRS) on a subframe. The SRS is determined to be dropped based on whether the first and second TAGs are configured, whether at least one symbol of the subframe is used to transmit the SRS toward the second cell of the second TAG and also used to transmit a physical uplink shared channel (PUSCH) toward the first cell of the first TAG, and whether a total uplink transmission power exceeds a maximum value.

Abstract translation: 描述了由用户设备执行的方法，用于在无线通信系统中进行上行链路传输。 执行属于第一定时提前组（TAG）的第一小区的第一时间对准（TA）。 执行属于第二TAG的第二小区的第二TA。 确定是否在子帧上发送或丢弃探测参考信号（SRS）。 基于第一和第二TAG是否被配置，确定SRS被丢弃，子帧的至少一个符号是否用于向第二TAG的第二小区发送SRS，并且还用于发送物理上行链路共享信道 （PUSCH）朝向第一TAG的第一小区，以及总上行链路发送功率是否超过最大值。

公开(公告)号：US20150043524A1

公开(公告)日：2015-02-12

申请号：US14521205

申请日：2014-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Min Gyu KIM ,  Dong Youn SEO ,  Han Byul SEO ,  Joon Kui AHN ,  Suck Chel YANG

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04W72/0413 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0091 ,  H04W28/26 ,  H04W72/0406 ,  H04W72/042 ,  H04W72/0453 ,  H04W88/08

Abstract: A method of receiving a sounding reference signal (SRS). The method includes transmitting, to a user equipment, a radio resource control (RRC) message transmitting, to the user equipment, a medium access control (MAC) message, the MAC message including a bitmap for indicating at least one second CC to be activated and the at least one second CC being activated based on the bitmap; transmitting, to the user equipment, a physical downlink control channel (PDCCH) including a carrier indicator field (CIF) and an SRS field via the first CC, the CIF indicating a CC of the at least one second CC and the SRS field indicating whether the user equipment has to transmit the SRS via the CC indicated by the CIF; and receiving, from the user equipment, the SRS on an uplink subframe via the CC indicated by the CIF, when the SRS field is enabled.

Abstract translation: 一种接收探测参考信号（SRS）的方法。 该方法包括向用户设备发送向用户设备发送介质访问控制（MAC）消息的无线电资源控制（RRC）消息，该MAC消息包括用于指示至少一个第二CC被激活的位图 并且所述至少一个第二CC基于所述位图被激活; 向所述用户设备发送经由所述第一CC包括载波指示符字段（CIF）和SRS字段的物理下行链路控制信道（PDCCH），所述CIF指示所述至少一个第二CC的CC和所述SRS字段指示是否 用户设备必须经由CIF指示的CC发送SRS; 并且当SRS字段被使能时，经由CIF指示的CC从上行链路子帧接收来自用户设备的SRS。

公开(公告)号：US20140349703A1

公开(公告)日：2014-11-27

申请号：US14452394

申请日：2014-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Dong Youn SEO ,  Ki Jun KIM ,  Joon Kui AHN ,  Min Gyu KIM ,  Jung Hoon LEE ,  Dae Won LEE ,  Suck Chel YANG

IPC: H04W52/14

CPC classification number: H04W52/146 ,  H04L5/0048 ,  H04W52/30 ,  H04W52/34 ,  H04W52/346 ,  H04W52/367 ,  H04W88/10 ,  Y02D70/00

Abstract: A method of transmitting signals including determining, per each of the component carriers, transmission power of at least one channel for simultaneous transmission, in such a way that a total transmission power of the at least one channel does not exceed a maximum transmission power configured for a corresponding component carrier; and checking whether a total transmission power of channels over the multiple component carriers for the simultaneous transmission exceeds a total maximum transmission power configured for the communication apparatus or not. If the total transmission power of the channels exceeds the total maximum transmission power configured for the communication apparatus, transmission power of at least one PUSCH among the channels is adjusted in such a way that an adjusted total transmission power over the multiple component carriers does not exceed the total maximum transmission power.

Abstract translation: 一种传输信号的方法，包括以每个分量载波确定用于同时传输的至少一个信道的传输功率，使得至少一个信道的总发射功率不超过为 相应的分量载体; 并且检查用于同时传输的多个分量载波上的信道的总传输功率是否超过为通信装置配置的总的最大传输功率。 如果通道的总发送功率超过为通信装置配置的总的最大发送功率，则调整通道中的至少一个PUSCH的发送功率，使得多个分量载波上调整的总发送功率不超过 总最大发射功率。

公开(公告)号：US20140153506A1

公开(公告)日：2014-06-05

申请号：US14081384

申请日：2013-11-15

Applicant: LG ELECTRONICS INC.

Inventor： Suck Chel YANG ,  Min Gyu KIM ,  Joon Kui AHN ,  Dong Youn SEO

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L1/0046 ,  H04L1/0067 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/0094 ,  H04W72/0406

Abstract: The present application is directed to a wireless communication system and, more particularly, a method of processing a control channel at a user equipment in a wireless communication system using multiple carriers. The method comprises receiving a plurality of search spaces, wherein each search space comprises a plurality of control channel candidates and each search space is corresponding to respective carrier. The method also includes monitoring the control channel candidates for the control channel.

Abstract translation: 本申请涉及一种无线通信系统，更具体地，涉及一种在使用多个载波的无线通信系统中在用户设备处理控制信道的方法。 该方法包括接收多个搜索空间，其中每个搜索空间包括多个控制信道候选，并且每个搜索空间对应于相应的载波。 该方法还包括监视用于控制信道的控制信道候选。