METHOD OF TRANSMITTING AND RECEIVING UCI IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

    公开(公告)号:US20180124773A1

    公开(公告)日:2018-05-03

    申请号:US15440271

    申请日:2017-02-23

    Abstract: A method of transmitting uplink control information (UCI) by a user equipment in a wireless communication system, includes the steps of receiving downlink control information (DCI) indicating a transmission time of the UCI through a prescribed frequency band in a first subframe, receiving a downlink data based on the DCI, and transmitting UCI associated with the downlink data in a second subframe based on the indicated transmission time of the UCI. In this case, the prescribed frequency band on which the DCI is transmitted is configured by a plurality of DCCUs (downlink control channel units) for transmitting the DCI, and the UCI may be transmitted on an UCCU (uplink control channel unit) in the second subframe, a frequency band of the first UCCU being same as a frequency band corresponding to a DCCU of a lowest frequency among the plurality of DCCUs.

    Frequency gradient metasurface-based fast beam steering transmission method and apparatus for OWC

    公开(公告)号:US12166530B2

    公开(公告)日:2024-12-10

    申请号:US17928146

    申请日:2020-05-28

    Abstract: The present specification provides a method and apparatus, the method being for transmitting a beam, performed by the apparatus, in an optical wireless communication system, and comprising: generating a pulse laser signal; making the pulse laser signal to be incident on a metasurface, wherein the beam is generated on the basis that the pulse laser signal is incident on the metasurface; and transmitting the beam to a reception apparatus, wherein the metasurface is determined on the basis of ω_0, d, Δω, and N, wherein ω_0 is a value of a center frequency, d is a value of a virtual antenna interval, Δω is a value of a frequency comb interval, and N is a value related to the number of frequency combs present within a gain bandwidth based on the center frequency.

    Apparatus and method for transmitting and receiving signals in wireless optical communication system

    公开(公告)号:US12081277B2

    公开(公告)日:2024-09-03

    申请号:US17920712

    申请日:2020-07-14

    CPC classification number: H04B10/6972 H04B10/67 H04W72/23

    Abstract: According to one embodiment of the present invention, an apparatus and method for transmitting and receiving signals in a wireless communication system comprise receiving an optical signal including an interference signal and a target signal, attenuating the interference signal, and converting the optical signal in which the interference signal is attenuated, into electric signals via a photodiode array, wherein a transceiver comprises a first optical filter upon which the optical signal is incident, and a second optical filter upon which the optical signal having passed through the first optical filter is incident, wherein the interference signal may be attenuated through the first optical filter and the second optical filter.

    Method for transmitting signals in visible light communications and terminal for same

    公开(公告)号:US11677467B2

    公开(公告)日:2023-06-13

    申请号:US17310562

    申请日:2019-02-12

    CPC classification number: H04B10/116

    Abstract: Proposed is a method for transmitting signals in visible light communications. The method for transmitting signals in visible light communications comprises: a step of receiving interference information from a receiving end; a step of transmitting a constellation set index to the receiving end; and a step of transmitting, to the receiving end, signals modified on the basis of the constellation set index. Meanwhile, the constellation set index may be selected on the basis of the received interference information.

    TRANSMISSION/RECEPTION METHOD IN 1-BIT QUANTIZATION SYSTEM, AND DEVICE THEREFOR

    公开(公告)号:US20220376954A1

    公开(公告)日:2022-11-24

    申请号:US17624199

    申请日:2019-07-03

    Abstract: The present disclosure provides a method for transmitting and receiving in a wireless communication system and an apparatus therefore. Specifically, in a wireless communication system according to an embodiment of the present disclosure, there is provided a method for transmitting and receiving a signal by a receiving apparatus, the method includes receiving, from a transmitting apparatus, signals modulated based on a differential phase shift keying (DPSK) method through a plurality of reception paths, calculating a differential value in each reception path of the plurality of reception paths based on the received signals, and calculating reliability for the received signals, in which the reliability is proportional to a real value of a sum of the differential values in each reception path of the plurality of reception paths.

    Method and device for performing communication using orthogonal or nonorthogonal code multiple access scheme in wireless communication system

    公开(公告)号:US11336343B2

    公开(公告)日:2022-05-17

    申请号:US16622857

    申请日:2018-06-07

    Abstract: Provided are a method and a device for transmitting uplink data by using a non-orthogonal code multiple access scheme in a wireless communication system. Specifically, a terminal receives information on a terminal-specific codebook from a base station. The terminal-specific codebook is included in a codebook for a predefined multi-dimensional modulation. The terminal performs multi-dimensional modulation-based encoding on an information bit on the basis of the terminal-specific codebook so as to generate a complex vector. The terminal performs DFT on the complex vector on the basis of the terminal-specific codebook so as to generate a frequency signal. The terminal transmits uplink data generated by performing IFFT on the frequency signal.

    Method for transmitting or receiving signal in wireless communication system and apparatus therefor

    公开(公告)号:US11191094B2

    公开(公告)日:2021-11-30

    申请号:US16480983

    申请日:2018-02-05

    Abstract: A method for transmitting, by a terminal, an uplink signal in a wireless communication system according to one embodiment of the present disclosure comprises the steps of: receiving, from a base station, scheduling request (SR) resource information and data resource information; transmitting an SR through any one of a UE-wise SR resource and a group-wise SR resource allocated through the SR resource information; and repeatedly transmitting uplink data through a plurality of resource areas allocated through the data resource information, wherein one UE-wise SR resource may be allocated to each first resource area set consisting of N resource areas, and at least one group-wise SR resource may be allocated to each resource area. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

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