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公开(公告)号:US20200383144A1
公开(公告)日:2020-12-03
申请号:US16636803
申请日:2018-08-08
Applicant: Samsung Electronics Co., Ltd.
Inventor: Feifei SUN , Di SU , Jingxing FU , Chen QIAN , Bin YU
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). The present disclosure provides a method for transmitting uplink control information, including: determining, by a user equipment (UE), at least two carriers for uplink transmission in a cell currently connected by the UE, and determining a carrier for uplink control information (UCI) transmission from the at least two carriers for uplink transmission; determining, by the UE, a relative frequency-domain position and a time-domain starting position occupied by UCI on the determined carrier for UCI transmission; and retuning, by the UE, a center radio frequency of the UE to a center frequency of the carrier for UCI transmission, and transmitting the UCI according to the relative frequency-domain position and the time-domain starting position occupied by the UCI; in which, the UE receives and transmits information on one carrier at one time. Using the present disclosure can efficiently transmit UCI. The present disclosure further discloses a method for requesting random access, which comprising steps of: determining a time division duplex (TDD) uplink time-domain resource; determining, according to the TDD uplink time-domain resource, a time-domain resource used for transmitting a narrowband physical random access channel (NPRACH); determining a time-domain format for an NPRACH transmission group, the time-domain format comprising: one NPRACH transmission group comprises at least two transmission units which are discontinuous in time domain, and one transmission unit comprises one or more NPRACH symbol groups which are continuous in time domain; and, determine time-domain resource used for transmitting NPRACH to transmit an NPRACH transmission group in the time-domain format. Compared with the prior art, in the present disclosure, a time-domain position for transmitting an NPRACH is designed according to the characteristics of TDD uplink time-domain resource, so that a random access process can be deployed within an LTE band or an LTE guard band; moreover, since an NB-IoT communication system based on TDD is used, a higher utilization rate of system spectrum resources is achieved.
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72.
公开(公告)号:US20200344810A1
公开(公告)日:2020-10-29
申请号:US16757903
申请日:2019-01-11
Applicant: Samsung Electronics Co., Ltd.
Abstract: The present application provides a method for determining a random access resource by a terminal in a wireless communication system, the method comprising: receiving, from a base station, configuration information corresponding to a synchronization signal block(SSB) including a SSB index, a random access preamble index and a random access channel mask index; determining a random access resource based on the SSB index and the random access channel mask index; determining a random access preamble based on the random access preamble index; and transmitting, to the base station, the random access preamble on the random access resource.
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公开(公告)号:US20200260387A1
公开(公告)日:2020-08-13
申请号:US16779432
申请日:2020-01-31
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jingxing FU , Bin YU , Yi WANG , Feifei SUN
Abstract: The embodiments of the present application propose a method for power control, which is performed by a User Equipment (UE). The method includes: determining whether indication information is received from a base station; determining a power control parameter set for transmitting data with a first priority based on whether the indication information is received; and controlling a transmission power of a channel for transmitting the data with the first priority based on the determined power control parameter set. The embodiments of the present application further propose a corresponding device and a corresponding computer storage medium.
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74.
公开(公告)号:US20200235885A1
公开(公告)日:2020-07-23
申请号:US16481420
申请日:2018-01-26
Applicant: Samsung Electronics Co., Ltd.
Inventor: Di SU , Bin YU , Chen QIAN , Qi XIONG , Yingjie ZHANG , Jingxing FU
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).The present invention relates to a method of transmitting configuration information, a method of detecting control channel resources, and devices therefor. The transmission method comprises: configuring, for each coreset, control channel resources on a time unit of a scheduling unit (SU); transmitting configuration for the resources of control channel on the time unit of the SU, wherein control channel resources belong to the coreset containing a plurality of continuous or discontinuous frequency-domain physical resource blocks available to transmit a downlink control channel. The detection method comprises: receiving configuration for the resources of control channel on a time unit of an SU; performing blind detection of a downlink control channel for a user on the time unit of the SU according to the configuration information. The present invention can flexibly configure control channel resources and reduce blind detection of a control channel by a terminal, thereby attaining reduction of power consumption caused by blind detection of the control channel by the terminal and load equalization.
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75.
公开(公告)号:US20200229242A1
公开(公告)日:2020-07-16
申请号:US16740116
申请日:2020-01-10
Applicant: Samsung Electronics Co., Ltd.
Abstract: A method for transmitting a signal in a wireless communication system. The method includes receiving, from a base station, random access configuration information of a normal UE. The method also includes determining random access configuration information of an integrated Access and Backhaul (IAB) UE from the received random access configuration information of the normal UE based on information indicating relationship between the random access configuration information of the normal UE and the random access configuration information of the IAB UE. The method further includes transmitting, to the base station, a preamble using the determined random access configuration information of the IAB UE.
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公开(公告)号:US20200221402A1
公开(公告)日:2020-07-09
申请号:US16628613
申请日:2018-07-04
Applicant: Samsung Electronics Co., Ltd.
Inventor: Yingjie ZHANG , Bin YU , Chen QIAN , Qi XIONG
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). The method for operating a user equipment (UE) in a wireless communication system is provided. The method includes detecting a synchronization signal block, performing downlink synchronization process according to the detected synchronization signal block, and determining time-frequency resources of an anchor subband; acquiring random access configuration information according to the time-frequency resources of the anchor subband, performing a random access process according to the random access configuration information, and completing uplink synchronization; and acquiring control information in a control channel band, and performing data communication with a base station in the data transmission band according to the control information.
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77.
公开(公告)号:US20200068604A1
公开(公告)日:2020-02-27
申请号:US16666101
申请日:2019-10-28
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jingxing FU , Bin YU , Chen QIAN , Qi XIONG
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). The present disclosure provides method and apparatus for receiving a common signaling. According to the various embodiments of the present disclosure, a method of a terminal for receiving a common signaling comprises determining a reception mode of a common signaling based on a maximum bandwidth supported by the terminal, and receiving, by the terminal, the common signaling based on the determined reception mode.
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公开(公告)号:US20200037260A1
公开(公告)日:2020-01-30
申请号:US16605707
申请日:2018-04-17
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jingxing FU , Chen QIAN , Yingjie ZHANG , Bin YU , Qi XIONG , Feifei SUN
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 method for uplink power control, which is applied to a User Equipment (UE), and the method includes: determining a timing between a power control command and a Physical Uplink Control Channel (PUCCH), which adopts the power control command to control power. The present disclosure also provides a corresponding device.
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公开(公告)号:US20200029366A1
公开(公告)日:2020-01-23
申请号:US16338373
申请日:2017-09-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Qi XIONG , Bin YU , Chen QIAN , Jingxing FU , Yi WANG , Yingjie ZHANG
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). The present disclosure relates to the technical filed of wireless communication, and particularly, to a method for random access. The method comprises the steps of transmitting a random access signal comprising a preamble sequence and a payload from a terminal to a base station, wherein the preamble sequence is configured randomly or according to size of the data to be transmitted and the payload is configured according to current service requirements; and receiving by the terminal feedback information transmitted back by the base station which corresponds to the random access signal, wherein the feedback information comprises at least one of unique user identification information, timing advance information, uplink transmission grant information, and acknowledgement (ACK) signal/negative acknowledgement (NACK) signal. The present solution may use two interactive steps to realize the function that is realized through four interactive steps in the prior art by designing the random access signal such that it comprises the preamble sequence and the payload, therefore it can reduce access delay in data transmission.
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公开(公告)号:US20190327689A1
公开(公告)日:2019-10-24
申请号:US16460403
申请日:2019-07-02
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jingxing FU , Bin YU , Chen QIAN , Qi XIONG
Abstract: A method and an apparatus for transmitting uplink demodulation reference signals (DMRSs) is provided. The method includes a user equipment (UE) determines an uplink DMRS format for demodulating a physical uplink shared channel (PUSCH) according to frequency-domain resources occupied by the PUSCH, in which the uplink DMRS format includes a comb occupied by a PUSCH DMRS sequence. The comb is subcarriers having specified intervals occupied by demodulation reference signals, and the specified intervals between the occupied subcarriers are same. For the DMRSs using the comb format, subcarriers with specific intervals are used for channel estimation, and values of the channel estimation are used for data demodulation. The UE transmits uplink information and the demodulation reference signals on physical resources using the uplink DMRS format. The present disclosure can improve the multiplexing ratio of uplink physical resources in a multi-UE scenario.
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