Method and apparatus for transmitting and receiving signal in mobile communication system

    公开(公告)号:US11219049B2

    公开(公告)日:2022-01-04

    申请号:US16611115

    申请日:2018-04-25

    Abstract: A method performed at a network node for scheduling DL transmissions and a corresponding network node is disclosed. The method includes determining, based on a number of TBs (TBs) scheduled in a DL transmission to be transmitted and a maximum number of CBGs dividable in the DL transmission, a maximum number of CBGs dividable in each TB of the DL transmission; determining a CBG configuration of CBGs scheduled in a corresponding TB based on a maximum number of CBGs dividable in each TB of the DL transmission; and transmitting DL control signaling indicating the CBG configuration. In addition, a method performed at a UE for feedback HARQ-ACK, and a corresponding UE, and a communication system including the network node and UE is also disclosed.

    Method and user equipment for transmitting uplink signals

    公开(公告)号:US11051325B2

    公开(公告)日:2021-06-29

    申请号:US16307931

    申请日:2017-06-05

    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 transmitting uplink signals, a user equipment (UE), and a base station. The UE determines an LBT type and a starting position of signal transmission according to scheduling information and LBT type of a previous subframe, a current subframe, and a subsequent subframe and whether there is a gap between these subframes.

    Soft buffer processing method and device in TDD systems

    公开(公告)号:US11050520B2

    公开(公告)日:2021-06-29

    申请号:US14377788

    申请日:2013-03-20

    Abstract: Methods, device, and User Equipment (UE) for processing a soft buffer, used in a Time Division Duplexing (TDD) system where uplink-downlink subframe distribution changes dynamically, are provided. A first method includes allocating, by a base station, transmission resources for a UE, and determining a parameter for processing a soft buffer, and performing rate matching for Physical Downlink Shared Channel (PDSCH); and sending, by the base station, data to the UE via Physical Downlink Control Channel (PDCCH) and PDSCH. The second method includes receiving, by a UE information of transmission resources allocated to the UE by a base station, and determining a parameter for processing a soft buffer; and receiving, by the UE, PDCCH and PDSCH sent by the base station according to the transmission resources and the parameter for processing the soft buffer.

    Method and device for vehicle to everything (V2X) communications and a transmitting and receiving method and equipment in V2X communication

    公开(公告)号:US11032049B2

    公开(公告)日:2021-06-08

    申请号:US16479357

    申请日:2018-01-19

    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 invention provides a method and device for vehicle to everything (V2X) communications. The method comprises: receiving configuration signaling transmitted by an eNB, and then determining, according to the configuration signaling, at least one of a search space corresponding to S-DCI_C, a transmission carrier of S-DCI_C, and the number of bits corresponding to S-DCI_C; or determining, according to the configuration signaling, at least one optional time position information for transmitting a Side Link Synchronization Signal (SLSS) and a Physical Sidelink Broadcast CHannel (PSBCH), and then, based on coverage state about whether a first UE is within cellular network coverage, according to the type of a reference synchronization source, determining time position information from the at least one optional time position information for transmitting the SLSS and the PSBCH, identity information of the SLSS to be transmitted, and the value of the inCoverage field in the PSBCH to be transmitted. The present application also provides a transmitting and receiving method in V2X communication, comprising the steps of: detecting, by a first-type UE, a PSCCH in format of SCI X transmitted by other UEs, and determining, according to the SCI X, whether to further measure PSSCH-RSRP of a PSSCH scheduled by the SCI X and whether to further decode the PSSCH scheduled by the SCI X. The method provided by the present application further comprises the steps of: detecting, by a second-type UE, a PSCCH in format of SCI X transmitted by other UEs, and determining, according to a modulation and coding bit field in the SCI X and a predefined TBS mapping rule, a TBS of a PSSCH scheduled by the SCI X. The method provided by the present application further comprises the step of: determining, by the second-type UE and according to a modulation scheme, the transmitting power of the PSCCH of the SCI X and the transmitting power of the PSSCH scheduled by the SCI X. By the above method, the coexistence of a first-type V2X UE and a second-type V2X UE can be better realized, and the transmission efficiency of the second-type V2X UE can be improved.

    Method for transmitting uplink control information

    公开(公告)号:US10932236B2

    公开(公告)日:2021-02-23

    申请号:US15738048

    申请日:2016-06-20

    Abstract: Embodiments of the present disclosure provide a method for transmitting uplink control information. The method includes: a User Equipment (UE) receives Uplink Control Information UCI configuration information, wherein the UCI configuration information includes information for determining a periodicity, an offset and a Physical Uplink Control Channel PUCCH for Periodic-Channel State Information P-CSI to be report in one subframe and configuration information for transmission of Hybrid Automatic Retransmission reQuest-Acknowledgement HARQ-ACK; processes one or more kinds of UCI in the subframe, and transmits the UCI on resources using a PUCCH format. According to the method of the present disclosure, the transmit power for transmitting the UCI on the channel using the PUCCH format is optimized. During the transmission of the P-CSI, the PUCCH resource most preferable for the transmission of the P-CSI is determined. The uplink resource utilization ratio is increased.

    Power control for overlapping sidelink and uplink transmissions

    公开(公告)号:US10779242B2

    公开(公告)日:2020-09-15

    申请号:US16338560

    申请日:2017-09-29

    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 and a device of power control for a Uu uplink transmission and a V2X transmission. Specifically, the present disclosure provides a method for determining the transmission power based on the circumstance of synchronous/asynchronous carriers, a minimum time delay of preparing the transmission power of the V2X and Uu uplink transmission, and an actual time delay of V2X from a resource reselection to a transmission. By this method, the transmission efficiency of the V2X and the Uu uplink transmission can be ensured.

    Method and apparatus for allocating HARQ-ACK channel resources supporting transmit diversity and channel selection

    公开(公告)号:US10708008B2

    公开(公告)日:2020-07-07

    申请号:US16357065

    申请日:2019-03-18

    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.

    CHANNEL STATE INFORMATION MEASUREMENT METHOD AND USER EQUIPMENT

    公开(公告)号:US20200092744A1

    公开(公告)日:2020-03-19

    申请号:US16692723

    申请日:2019-11-22

    Inventor: Yingyang Li Yi Wang

    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). Embodiments of the present disclosure provide a channel state information measurement method, including receiving, by the UE, configuration information indicating resources for a channel state information (CSI) measurement; receiving, by the UE, from a base station, signaling information indicating one or more resources in which the base station occupies a carrier on an unlicensed band; identifying, by the UE, at least one resource in which the base station occupies the carrier on the unlicensed band, based on the signaling information; generating a CQI report based on measurement results at the at least one identified resource, while excluding a measurement result of at least one resource in which the base station does not occupy a carrier on the unlicensed band; and transmitting the CQI report to the base station.

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