METHOD FOR GRANT FREE UPLINK TRANSMISSION, USER EQUIPMENT AND BASE STATION DEVICE

    公开(公告)号:US20210136827A1

    公开(公告)日:2021-05-06

    申请号:US17052959

    申请日:2019-04-29

    Abstract: The present disclosure provides a grant free uplink transmission method, the method is performed at a user equipment side, comprising: determining, according to configuration information for grant free uplink transmission received from a base station, a radio network temporary identifier GF-RNTI for grant free uplink transmission, and transmitting an uplink signal; and monitoring feedback from the base station in a downlink control channel by using the determined GF-RNTI. The present disclosure also provides a user equipment and a base station for grant free uplink transmission.

    METHOD AND DEVICE FOR TRANSMITTING SIGNAL

    公开(公告)号:US20210136804A1

    公开(公告)日:2021-05-06

    申请号:US17044839

    申请日:2019-04-02

    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 application discloses a method and device for transmitting a signal. the method comprises: detecting a downlink control channel by a user equipment (UE) using a compact downlink control information (DCI) format; acquiring configuration information by the UE in a preconfigured manner when the UE correctly detected the downlink control channel using the compact DCI format; performing an uplink transmission by the UE based on the configuration information. It is easy for the UE to acquire the scheduled uplink transmission and/or the downlink transmission, and the corresponding feedback information using the compact DCI format to complete the transmission of the corresponding signal.

    METHODS AND APPARATUS FOR TRANSMITTING AND RECEIVING UPLINK CONTROL INFORMATION AND FOR REQUESTING RANDOM ACCESS IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20200383144A1

    公开(公告)日:2020-12-03

    申请号:US16636803

    申请日:2018-08-08

    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.

    METHODS AND APPARATUSES FOR DETERMINING AND CONFIGURING A TIME-FREQUENCY RESOURCE, IN THE RANDOM ACCESS PROCESS

    公开(公告)号:US20200344810A1

    公开(公告)日:2020-10-29

    申请号:US16757903

    申请日:2019-01-11

    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.

    METHOD AND DEVICE FOR POWER CONTROL
    75.
    发明申请

    公开(公告)号:US20200260387A1

    公开(公告)日:2020-08-13

    申请号:US16779432

    申请日:2020-01-31

    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.

    METHOD OF TRANSMITTING CONFIGURATION INFORMATION, METHOD OF DETECTING CONTROL CHANNEL RESOURCES, AND DEVICES THEREFOR

    公开(公告)号:US20200235885A1

    公开(公告)日:2020-07-23

    申请号:US16481420

    申请日:2018-01-26

    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.

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING A SIGNAL IN A WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20200229242A1

    公开(公告)日:2020-07-16

    申请号:US16740116

    申请日:2020-01-10

    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.

    METHOD AND APPARATUS FOR COMMUNICATION BASED ON FRAME STRUCTURE

    公开(公告)号:US20200221402A1

    公开(公告)日:2020-07-09

    申请号:US16628613

    申请日:2018-07-04

    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.

    METHOD AND APPARATUS FOR RECEIVING A COMMON SIGNALING IN A WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20200068604A1

    公开(公告)日:2020-02-27

    申请号:US16666101

    申请日:2019-10-28

    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.

    METHOD AND DEVICE FOR UPLINK POWER CONTROL
    80.
    发明申请

    公开(公告)号:US20200037260A1

    公开(公告)日:2020-01-30

    申请号:US16605707

    申请日:2018-04-17

    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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