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：US20150146643A1

公开(公告)日：2015-05-28

申请号：US14411718

申请日：2013-06-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing Fu ,  Chengjun Sun ,  Yingyang Li

IPC: H04L1/18

CPC classification number: H04L1/1893 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/187

Abstract: A method and an apparatus for sending Hybrid Automatic Repeat Request acknowledgement (HARQ-ACK) feedback information are provided. The User Equipment (UE) receives a Physical Downlink Control Channel (PDCCH) and a Physical Downlink Shared Channel (PDSCH) sent by a base station, determines a number of downlink subframes corresponding to the HARQ-ACK feedback information sent in the PUSCH of each CC in the current uplink subframe, the Uplink (UL) Downlink Assignment Index (UL DAI) obtained from the UL Grant of the PDCCH, a sum of the number of PDSCH subframes received from a HARQ-ACK bundling window and a number of PDCCHs indicating the downlink SPS releasing, and a size of the HARQ-ACK bundling window, and sends HARQ-ACK feedback information of each CC via the PUSCH in the current uplink subframe. A number of bits of the HARQ-ACK feedback information of each CC is determined according to the number of the downlink subframes.

Abstract translation: 提供了一种用于发送混合自动重复请求确认（HARQ-ACK）反馈信息的方法和装置。 用户设备（UE）接收由基站发送的物理下行链路控制信道（PDCCH）和物理下行链路共享信道（PDSCH），确定与每个中发送的PUSCH中发送的HARQ-ACK反馈信息相对应的下行链路子帧的数量 当前上行链路子帧中的CC，从PDCCH的UL授权获得的上行链路（UL）下行链路分配索引（UL DAI），从HARQ-ACK绑定窗口接收的PDSCH子帧的数量和指示 下行SPS释放和HARQ-ACK捆绑窗口的大小，并且在当前上行链路子帧中经由PUSCH发送每个CC的HARQ-ACK反馈信息。 根据下行链路子帧的数量确定每个CC的HARQ-ACK反馈信息的位数。

公开(公告)号：US20150092693A1

公开(公告)日：2015-04-02

申请号：US14395805

申请日：2013-04-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing Fu ,  Yingyang Li

IPC: H04L1/18 ,  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.

Abstract translation: 本发明的示例提供了一种用于分配支持发射分集和信道选择的混合自动重传请求确认（HARQ-ACK）信道资源的方法。 该方法包括：由UE通过两个载波组件（CC）从基站接收物理下行链路控制信道（PDCCH）信息和物理下行链路共享信道（PDSCH）数据; 由UE根据具体指示信息获取使用发射分集技术发送HARQ-ACK反馈信息所需的物理上行链路控制信道（PUCCH）信道资源; 以及由所述UE发送采用所述发送分集技术的所获得的PUCCH信道资源上的HARQ-ACK反馈信息。 根据本发明实施例提供的方法，可以合理地向UE分配HARQ-ACK信道资源，并且在支持信道选择和SORTD技术的前提下避免浪费信道资源。

公开(公告)号：US20150055522A1

公开(公告)日：2015-02-26

申请号：US14395298

申请日：2013-04-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing Fu ,  Chengjun Sun ,  Yingyang Li

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

CPC classification number: H04L5/14 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0087 ,  H04L5/1469 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/1205 ,  H04W72/1278 ,  H04W72/1284 ,  H04W72/1289

Abstract: An embodiment of the present invention provides a method for processing Physical Downlink Shared Channel (PDSCH) data, to be applied in a system, which supports to adjust uplink and downlink (UL-DL) configurations for Time Division Multiplexing (TDD) dynamically. The method includes: receiving, by a User Equipment (UE), a System Information Block 1 (SIB1); obtaining, by the UE, from the SIB1 a TDD UL-DL configuration employed by the UE in current system, in which the UE doesn't support dynamic service adaption; determining, by the UE, subframe type of subframe 6, wherein the subframe type of subframe 6 is a special subframe or a normal downlink subframe; and determining, by the UE, number of Orthogonal Frequency Division Multiplexing (OFDM) symbols used for PDSCH transmission within subframe 6, based on the subframe type of subframe 6, and processing the PDSCH data of subframe 6. By adopting the technical solution provided by embodiments of the present invention, in a system which supports to dynamically adjust the TDD UL-DL configurations, a UE may be enabled to explicitly learn number of OFDM symbols used for the PDSCH transmission within subframe 6. Meanwhile, the UE and an evolved Node B (eNB) may be enabled not to confuse the number of OFDM symbols used for the PDSCH transmission.

Abstract translation: 本发明的一个实施例提供了一种用于处理物理下行链路共享信道（PDSCH）数据的方法，该方法用于系统中，该系统支持动态调整时分复用（TDD）的上行链路和下行链路（UL-DL）配置。 该方法包括：由用户设备（UE）接收系统信息块1（SIB1）; 由UE从SIB1获取UE在当前系统中采用的TDD UL-DL配置，其中UE不支持动态服务适配; 由UE确定子帧6的子帧类型，其中子帧6的子帧类型是特殊子帧或正常下行子帧; 以及基于子帧6的子帧类型，由UE确定用于子帧6内的PDSCH发送的正交频分复用（OFDM）符号的数量，以及处理子帧6的PDSCH数据。通过采用由 本发明的实施例在支持动态调整TDD UL-DL配置的系统中，可以使UE能够明确地学习在子帧6内用于PDSCH传输的OFDM符号的数目。同时，UE和演进节点 B（eNB）可以不被混淆用于PDSCH传输的OFDM符号的数量。

公开(公告)号：US08958383B2

公开(公告)日：2015-02-17

申请号：US13735630

申请日：2013-01-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing Fu ,  Chengjun Sun

IPC: H04W4/00 ,  H04W72/04 ,  H04L1/18 ,  H04B7/04 ,  H04B7/06 ,  H04L1/04 ,  H04L5/00

CPC classification number: H04W72/0413 ,  H04B7/0404 ,  H04B7/0413 ,  H04B7/0623 ,  H04L1/04 ,  H04L1/06 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0055 ,  H04W72/04

Abstract: A method for transmitting HARQ-ACK information based on transmission diversity is provided. The method includes configuring two component carriers, referred to as Cells, for a User Equipment (UE); when a base station configures the UE to transmit HARQ-ACK information adopting the transmission diversity technique, the base station indicates dynamically whether an other Cell is scheduled in the same subframe via a PDCCH scheduling a PDSCH of one Cell, so as to enable the UE to know the number of Cells scheduled in the same downlink subframe by the base station, and to generate HARQ-ACK information based on the number of Cells. Unnecessary spatial bundling of the HARQ-ACK information may be avoided, unnecessary downlink data retransmission is reduced and throughput of downlink data is improved.

Abstract translation: 提供了一种基于传输分集来发送HARQ-ACK信息的方法。 该方法包括为用户设备（UE）配置称为小区的两个分量载波; 当基站配置UE发送采用传输分集技术的HARQ-ACK信息时，基站通过PDCCH调度一个小区的PDSCH来动态地指示在同一子帧中是否调度其他小区，以便能够使UE 知道由基站在同一下行链路子帧中调度的小区的数量，并且基于小区的数量生成HARQ-ACK信息。 可以避免HARQ-ACK信息的不必要的空间捆绑，减少不必要的下行链路数据重传，提高下行链路数据的吞吐量。