公开(公告)号：US10257841B2

公开(公告)日：2019-04-09

申请号：US14916399

申请日：2014-03-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Chengjun Sun

IPC: H04W72/08 ,  H04L27/36 ,  H04W72/12 ,  H04L5/00 ,  H04L1/00 ,  H04W72/04 ,  H04B17/309 ,  H04B17/24

Abstract: The present application discloses a downlink transmission method including: UE receiving configuration information sent form base station and accordingly adjusting CQI table and MCS table; UE measuring and reporting downlink channel quality indicator information to the base station; here, the UE reports the CQI information according to a backward compatible CQI table or a CQI table which supports 256QAM modulation; the UE receiving downlink scheduling information sent from the base station, receiving accordingly downlink data sent from the base station, here, the UE processes the MCS information according to a backward compatible MCS table or a MCS table which supports 256QAM modulation.

公开(公告)号：US10256956B2

公开(公告)日：2019-04-09

申请号：US15306350

申请日：2015-04-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Shichang Zhang ,  Yingyang Li ,  Chengjun Sun ,  Jingxing Fu ,  Yunchuan Yang

IPC: H04L5/00 ,  H04B7/26 ,  H04L1/18 ,  H04L5/14 ,  H04W74/08

Abstract: A method for implementing uplink transmission in a flexible frequency division duplex (FDD) system is provided. A flexible FDD supported user equipment (FFUE) receives signaling from an evolved node B (eNB), obtains an uplink carrier configuration, and performs physical uplink shared channel (PUSCH) transmission by way of synchronous HARQ of 8 ms, synchronous HARQ of 10 ms, or asynchronous hybrid automatic repeat request (HARQ). According to the solution provided by the present invention, uplink transmission in the FDD system can be realized with low complexity, and the system performance of the FDD system is improved.

公开(公告)号：US10098075B2

公开(公告)日：2018-10-09

申请号：US15523805

申请日：2015-11-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yi Wang ,  Shichang Zhang ,  Yingyang Li ,  Chengjun Sun ,  Zheng Zhao

IPC: H04W16/14 ,  H04W52/36 ,  H04W52/06 ,  H04W52/08 ,  H04W52/14 ,  H04W52/38 ,  H04W72/12 ,  H04W74/00

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a power adjusting method and corresponding to control node and UE. According to the present disclosure, interference to adjacent devices of the same or different wireless access techniques may be avoided, uplink scheduling efficiency of the UE may be increased, and therefore the efficiency of the whole network is increased.

公开(公告)号：US20180167901A1

公开(公告)日：2018-06-14

申请号：US15547795

申请日：2016-01-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yi Wang ,  Shichang Zhang ,  Yingyang Li ,  Chengjun Sun ,  Jingxing Fu

IPC: H04W56/00 ,  H04W74/00 ,  H04W74/08

CPC classification number: H04W56/0005 ,  H04W56/0045 ,  H04W74/006 ,  H04W74/0833

Abstract: The present disclosure provides several methods, user equipment (UEs) and base stations for transmitting uplink signals. After receiving uplink synchronization command information, the UE may transmit an uplink signal on at least one idle unlicensed cell. Besides, the UE may try to transmit the uplink signal on multiple uplink signal resources within an uplink signal transmission window. By using the present disclosure, transmission probability of uplink signals may be improved, and time delay of uplink synchronization may be shortened.

公开(公告)号：US09980256B2

公开(公告)日：2018-05-22

申请号：US14397388

申请日：2013-04-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Zheng Zhao ,  Yingyang Li ,  Chengjun Sun

IPC: H04W72/04 ,  H04B7/26 ,  H04L1/18 ,  H04L5/00 ,  H04L5/14

CPC classification number: H04W72/0413 ,  H04B7/2656 ,  H04L1/1861 ,  H04L5/0055 ,  H04L5/14 ,  H04L5/1469

Abstract: A method for PUCCH resource mapping is provided, which includes in a traffic adaptive TDD system, classifying downlink sub-frames within a binding window into sub-frames of a first category and sub-frames of a second category, when feeding back HARQ-ACK (Hybrid Automatic Repeat request- Acknowledgement) for a downlink sub-frame, performing PUCCH (Physical Uplink Control Channel) resource mapping for a sub-frame of the first category in accordance with LTE/LTE-A, and performing PUCCH resource mapping for a sub-frame of the second category according to a specified order of sub-frames.

公开(公告)号：US20170353936A1

公开(公告)日：2017-12-07

申请号：US15539651

申请日：2015-12-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Shichang Zhang ,  Yingyang Li ,  Chengjun Sun

IPC: H04W56/00 ,  H04L5/00 ,  H04W8/00 ,  H04W72/00

CPC classification number: H04W56/0015 ,  H04L5/005 ,  H04W8/005 ,  H04W56/001 ,  H04W56/002 ,  H04W72/005

Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for interne of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method of synchronizing device to device (D2D) terminals. Under partial coverage (PC) scenarios, an in coverage user equipment (ICUE) may send a D2D synchronization signal (D2DSS) and a physical sidelink broadcast channel (PSBCH) on synchronization resources of a cell to implement mutual discovery of an ICUE and an out of coverage user equipment (OCUE) when a condition for triggering the D2DSS is satisfied.

公开(公告)号：US09807754B2

公开(公告)日：2017-10-31

申请号：US14858589

申请日：2015-09-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Chengjun Sun

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

CPC classification number: H04W72/042 ,  H04L1/0045 ,  H04L5/0053 ,  H04L5/0064 ,  H04W72/0446

Abstract: A method for configuring a search space of a downlink control channel is provided. The method includes determining the parameters for Enhanced Physical Downlink Control Channel (E-PDCCH) candidates of each aggregate level according to the number of Resource Elements (RE) in a subframe and/or the number of bits of Downlink Control Information (DCI) formats, when the parameters for E-PDCCH candidates of E-PDCCH search space is configured, determining, by a User Equipment (UE), the parameters for E-PDCCH candidates according to a current downlink subframe and a detected DCI format, and detecting blindly, by the UE, the E-PDCCH candidates in the E-PDCCH search space corresponding to the parameters for E-PDCCH candidates. The present invention also provides a UE and a base station. Application of the present invention can improve the flexibility of the base station scheduling, and reduce the possibility that the E-PDCCHs of different UEs block each other.

公开(公告)号：US09736836B2

公开(公告)日：2017-08-15

申请号：US14038157

申请日：2013-09-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingyang Li ,  Chengjun Sun

IPC: H04W72/04 ,  H04W56/00 ,  H04L5/00 ,  H04L5/14 ,  H04W72/00

CPC classification number: H04W72/0446 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0082 ,  H04L5/143 ,  H04W56/00 ,  H04W72/00

Abstract: A method for multiplexing synchronous signals on specific OFDM symbols to form P-SCH and the S-SCH channels is provided. The present application further discloses a method for transmitting P-BCH.

公开(公告)号：US20170142702A1

公开(公告)日：2017-05-18

申请号：US15349999

申请日：2016-11-11

Applicant: Samsung Electronics Co., Ltd

Inventor： Bin Yu ,  Chen Qian ,  Chengjun Sun

IPC: H04W72/04 ,  H04W76/04

CPC classification number: H04W72/0406 ,  H04W72/0453

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A bidirectional communication method and an apparatuses thereof are provided. An uplink control channel and a downlink control channel are respectively transmitted in a first subband and a third subband of an available un-paired spectrum, wherein control channels of reverse directions are transmitted at the same time in the first subband and the third subband, and uplink data and downlink data are transmitted in a time division multiplexing manner in a second subband of the available un-paired spectrum, wherein the first subband and the third subband are on the two ends of the available un-paired spectrum.

公开(公告)号：US09629074B2

公开(公告)日：2017-04-18

申请号：US14716301

申请日：2015-05-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chengjun Sun ,  Xiaoqiang Li ,  Himke Van Der Velde ,  Kyeong In Jeong ,  Gert-Jan Van Lieshout

IPC: H04W48/16 ,  H04W24/10 ,  H04W72/00 ,  H04J11/00 ,  H04W48/12

CPC classification number: H04W48/16 ,  H04J11/0093 ,  H04W24/10 ,  H04W48/12 ,  H04W72/005

Abstract: A method and an apparatus for transmitting multimedia broadcast single-frequency network (MBSFN) subframe configuration information of neighboring cells in a wireless system is provided. The method comprises: transmitting, by a base station of a serving cell, MBSFN subframe configuration information of the serving cell to a UE which accepts services from the serving cell via a broadcast control channel (BCCH); transmitting information on a subset relationship of MBSFN subframe configurations of the neighboring cells relative to the MBSFN subframe configuration of the serving cell to the UE which accepts services from the serving cell via the broadcast control channel (BCCH); performing, by the UE, measurements on the neighboring cells according to the subframe configuration information of the serving cell and the information on the subset relationship of the MBSFN subframe configurations of the neighboring cells relative to the MBSFN subframe configuration of the serving cell.