公开(公告)号：US09774422B2

公开(公告)日：2017-09-26

申请号：US14395805

申请日：2013-04-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing Fu ,  Yingyang Li

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

CPC classification number: H04L1/1861 ,  H04L5/001 ,  H04L5/0055 ,  H04W72/0413 ,  H04W72/042

Abstract: Examples of the present invention provide a method for allocating Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) channel resources supporting transmit diversity and channel selection. The method includes: receiving, by a UE, Physical Downlink Control Channel (PDCCH) information and Physical Downlink Shared Channel (PDSCH) data from a base station through two Carrier Components (CCs); obtaining, by the UE according to specific indication information, Physical Uplink Control Channel (PUCCH) channel resources required for transmitting HARQ-ACK feedback information using a transmit diversity technique; and transmitting, by the UE, the HARQ-ACK feedback information on the obtained PUCCH channel resources adopting the transmit diversity technique. According to the method provided by the examples of the present invention, it is possible to allocate HARQ-ACK channel resources to the UE reasonably and avoid waste of channel resources in the premise that channel selection and SORTD technique are supported.

公开(公告)号：US09723627B2

公开(公告)日：2017-08-01

申请号：US14189430

申请日：2014-02-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Chengjun Sun

IPC: H04L1/18 ,  H04W72/14 ,  H04L5/14 ,  H04W72/12 ,  H04W28/18

CPC classification number: H04W72/14 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1861 ,  H04L1/1864 ,  H04L1/1887 ,  H04L1/1896 ,  H04L5/1469 ,  H04W28/18 ,  H04W72/1278 ,  H04W72/1289

Abstract: A method for transmitting HARQ for uplink data in support of multi-frame scheduling is provided. The method includes a UE receiving a multi-subframe scheduling uplink grant signaling and PHICH information sent from a base station; for one uplink subframe, the UE processes parameters of uplink transmission according to uplink grant signaling which schedules a SHARQ process of the scheduled uplink subframe and a relative position of a PHICH channel; and the UE sends new uplink data, retransmitting data of the SHARQ to which the uplink subframe belongs, or currently does not send uplink data in the uplink subframe.

公开(公告)号：US20170215149A1

公开(公告)日：2017-07-27

申请号：US15400816

申请日：2017-01-06

Applicant: Samsung Electronics Co., Ltd

Inventor： Shichang Zhang ,  Chengjun Sun ,  Yingyang Li

IPC: H04W52/14 ,  H04W52/24 ,  H04W72/04 ,  H04W52/16 ,  H04L5/14 ,  H04W76/04

CPC classification number: H04W52/146 ,  H04L5/14 ,  H04L5/1469 ,  H04W52/16 ,  H04W52/223 ,  H04W52/247 ,  H04W52/325 ,  H04W52/50 ,  H04W72/0413 ,  H04W72/0446 ,  H04W76/27

Abstract: The present invention provides an apparatus and method for uplink signal power control in a dynamic Time Division Duplexing (TDD) cell. According to the method, after accessing a dynamic TDD cell, a User Equipment (UE) receives from an evolved NodeB (eNB) an uplink power control parameter which has been adjusted for a conflict uplink sub-frame.

公开(公告)号：US20170201984A1

公开(公告)日：2017-07-13

申请号：US15314920

申请日：2015-05-29

Applicant: Samsung Electronics Co., Ltd

Inventor： Jingxing Fu ,  Shichang Zhang ,  Yingyang Li

IPC: H04W72/04 ,  H04L1/18 ,  H04W72/10 ,  H04W76/02

CPC classification number: H04W72/0446 ,  H04L1/1822 ,  H04L1/1845 ,  H04L1/1864 ,  H04W72/042 ,  H04W72/10 ,  H04W76/14

Abstract: Embodiments of the present invention provide a soft buffer processing method, comprising the steps of: first, receiving, by UE, D2D data and PDSCH data; and then performing soft buffer processing on the D2D data, and performing soft buffer processing on the PDSCH data. The present application further discloses a soft buffer processing apparatus. By the present application, the problem of soft buffer processing required for storing soft bits of D2D data and soft bits of PDSCH data can be solved, so that the link performance is improved.

公开(公告)号：US20170111889A1

公开(公告)日：2017-04-20

申请号：US15311840

申请日：2015-05-14

Applicant: Samsung Electronics Co., Ltd

Inventor： Yingyang Li ,  Chengjun Sun ,  Jingxing Fu

IPC: H04W72/04 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04W72/042 ,  H04L5/0053 ,  H04L5/0096 ,  H04L27/2601 ,  H04W72/0446 ,  H04W74/08 ,  H04W84/12

Abstract: The present invention provides a method for data transmission on an unlicensed band, comprising the steps of: receiving, by UE, configuration information, the configuration information configuring a cell where the UE works on an unlicensed and; and, receiving, by the UE, control information, and performing data transmission on the unlicensed band according to the control information. The present application further discloses a method for data transmission on an unlicensed band, UE and a base station. By the technical solutions provided by the present invention, a wireless channel can be reserved for the data transmission of UE on an unlicensed band, and the data transmission of the UE on the unlicensed band and the frequency occupation of a WiFi system are coordinated, so that the mutual interference between the data transmission of the UE on the unlicensed band and the WiFi system is avoided.

公开(公告)号：US09615267B2

公开(公告)日：2017-04-04

申请号：US13945601

申请日：2013-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing Fu ,  Chengjun Sun ,  Yingyang Li

IPC: H04W4/00 ,  H04W24/02 ,  H04L1/18 ,  H04L5/00 ,  H04L5/14

CPC classification number: H04L1/1861 ,  H04L1/1854 ,  H04L5/001 ,  H04L5/0055 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1469 ,  H04W24/02 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446

Abstract: An apparatus and method are provided for transmitting Hybrid Automatic Repeat reQuest ACKnowledgment (HARQ-ACK) feedback information by a User Equipment (UE) in a wireless communication system, when Component Carriers (CCs) configured for the UE include a Frequency Division Duplexing (FDD) CC and a Time Division Duplexing (TDD) CC. The method includes determining a HARQ-ACK timing and a CC for transmitting the HARQ-ACK feedback information, based on a composition structure of the CCs configured for the UE, and transmitting the HARQ-ACK feedback information on a Physical Uplink Control CHannel (PUCCH) or a Physical Uplink Shared CHannel (PUSCH) of the determined CC, based on the determined HARQ-ACK timing.

公开(公告)号：US09521693B2

公开(公告)日：2016-12-13

申请号：US14579225

申请日：2014-12-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Yujian Zhang ,  Xiaoqiang Li

IPC: H04W74/08 ,  H04W72/04 ,  H04W74/00 ,  H04L5/00 ,  H04L5/14 ,  H04J11/00 ,  H04W72/02 ,  H04W88/08

CPC classification number: H04W74/0833 ,  H04J11/005 ,  H04L5/0005 ,  H04L5/0048 ,  H04L5/14 ,  H04W72/02 ,  H04W72/0413 ,  H04W72/044 ,  H04W72/0446 ,  H04W72/0493 ,  H04W74/004 ,  H04W74/006 ,  H04W88/08

Abstract: Base Station (BS) and User Equipment (UE) apparatuses for configuring a Random Access CHannel (RACH), and methods thereof, are provided. The method for a BS to configure a RACH includes generating configuration information on RACH resources, transmitting the configuration information on the RACH resources to a UE, receiving a random access preamble multiplexed on a plurality of continuous RACH resources from the UE, extracting the random access preamble multiplexed on the plurality of continuous RACH resources, and detecting the extracted random access preamble. The method for a UE to configure a RACH includes receiving configuration information on RACH resources from a BS, selecting occupied RACH resources among a plurality of continuous RACH resources, generating a random access preamble, multiplexing the generated random access preamble on the selected RACH resources, and transmitting the random access preamble on the selected RACH resources to the BS.

Abstract translation: 提供了用于配置随机接入信道（RACH）的基站（BS）和用户设备（UE）设备及其方法。 用于配置RACH的方法包括生成关于RACH资源的配置信息，向UE发送关于RACH资源的配置信息，从UE接收在多个连续RACH资源上复用的随机接入前导码，提取随机接入 前导码复用在多个连续RACH资源上，并检测所提取的随机接入前同步码。 用于配置RACH的方法包括从BS接收关于RACH资源的配置信息，在多个连续RACH资源中选择占用的RACH资源，生成随机接入前导，在所选择的RACH资源上复用所生成的随机接入前同步码， 以及将所选择的RACH资源上的随机接入前导码发送到BS。

公开(公告)号：US09450742B2

公开(公告)日：2016-09-20

申请号：US14259078

申请日：2014-04-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Ju-Ho Lee

IPC: H04L5/14 ,  H04L1/16 ,  H04L1/18 ,  H04L5/00 ,  H04L1/06

CPC classification number: H04L5/14 ,  H04L1/06 ,  H04L1/1614 ,  H04L1/1854 ,  H04L5/001 ,  H04L5/0055

Abstract: The present invention provides a method and apparatus for transmitting an ACK/NACK in a TDD system. A component carrier (CC) configuration for a user equipment (UE) and a transmission mode of each CC are received. An ACK/NACK feedback mode is selected based on an overhead status for feedback in an uplink. An ACK/NACK is processed according to the selected feedback mode. And the ACK/NACK is transmitted in the uplink. The method provided by the present invention can avoid excessive overhead for feedback in uplink in various extreme circumstances while ensuring satisfying performances of downlinks under many configurations.

Abstract translation: 本发明提供了一种在TDD系统中发送ACK / NACK的方法和装置。 接收用户设备（UE）的分量载波（CC）配置和每个CC的传输模式。 基于用于上行链路中的反馈的开销状态来选择ACK / NACK反馈模式。 根据所选择的反馈模式来处理ACK / NACK。 并且在上行链路中发送ACK / NACK。 本发明提供的方法可以在各种极端情况下避免在上行链路中反馈的过多开销，同时确保在许多配置下满足下行链路的性能。

公开(公告)号：US09432149B2

公开(公告)日：2016-08-30

申请号：US14561651

申请日：2014-12-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Xiaoqiang Li

IPC: H04W72/04 ,  H04L1/18 ,  H04L1/16 ,  H04L5/00

CPC classification number: H04L1/1861 ,  H04L1/1621 ,  H04L5/0053 ,  H04L5/0055 ,  H04W72/0413 ,  H04W72/042

Abstract: Embodiments of the present invention provide a method for feeding back ACK/NACK for downlink data transmission in a radio communication system. The method is applied on a mobile terminal and includes the following steps: receiving downlink data, calculating, with respect to each Component Carrier (CC), a number of ACKs of ACK/NACK information of downlink data sub-frames of the CC, and feeding back numbers of ACKs of the ACK/NACK information of the downlink data sub-frames of CCs.

Abstract translation: 本发明的实施例提供了一种用于在无线电通信系统中反馈用于下行链路数据传输的ACK / NACK的方法。 该方法应用于移动终端，并且包括以下步骤：接收下行链路数据，针对每个分量载波（CC）计算CC的下行链路数据子帧的ACK / NACK信息的ACK的数量，以及 反馈CC的下行链路数据子帧的ACK / NACK信息的ACK数。

公开(公告)号：US09325476B2

公开(公告)日：2016-04-26

申请号：US13949906

申请日：2013-07-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Chengjun Sun

IPC: H04L1/00 ,  H04L5/00 ,  H04L5/14 ,  H04L1/18

CPC classification number: H04L5/0055 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1861 ,  H04L1/1864 ,  H04L5/001 ,  H04L5/1469

Abstract: An apparatus and a method are provided for transmitting a Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK) in a Time Division Duplexing (TDD) Carrier Aggregation (CA) system, wherein the duplex direction of a sub frame may change flexibly. According to the method, a UE receives configuration information from a base station for each cell working under a CA mode; determines a distribution of fixed sub frames and flexible sub frames in each cell; determines timing of a HARQ-ACK for downlink transmission in each cell; and transmits the HARQ-ACK, based on the determined timing of the HARQ-ACK for each cell.

Abstract translation: 提供了一种用于在时分双工（TDD）载波聚合（CA）系统中发送混合自动重复请求确认（HARQ-ACK）的装置和方法，其中子帧的双工方向可以灵活地改变。 根据该方法，UE在CA模式下对每个小区工作的基站从基站接收配置信息; 确定每个小区中固定子帧和灵活子帧的分布; 确定每个小区中用于下行链路传输的HARQ-ACK的定时; 并且基于所确定的每个小区的HARQ-ACK的定时来发送HARQ-ACK。