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101.发明授权公开(公告)号：US12189194B2
公开(公告)日：2025-01-07
申请号：US17862930
申请日：2022-07-12
Inventor： Won Bae Kwon , Jong Jin Lee , Eun Kyu Kang , Soo Yong Jung , Hae Chung Kang , Sang Jin Kwon , Dae Seon Kim
Abstract: An optical receiver sub-assembly is provided, which includes a substrate, an optical waveguide device mounted on the substrate to transfer ray incident from a ray source, and a photodetector mounted on the substrate and disposed under a vertical cross-sectional surface of the optical waveguide device, wherein the ray is sequentially reflected and refracted by an upper slope surface and a lower slope surface provided in the vertical cross-sectional surface and is vertically incident on an active area of the photodetector.
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102.发明申请公开(公告)号：US20250008400A1
公开(公告)日：2025-01-02
申请号：US18749355
申请日：2024-06-20
Inventor： You Sun HWANG , Sook Yang KANG , Jae Sheung SHIN , Jae Wook SHIN , Sung Gu CHOI
Abstract: A method of a terminal may comprise: establishing first RRC connections with a first base station and a second base station; in response to a first event condition being satisfied, requesting preparation for first traffic switching by transmitting a first measurement report to the first base station; performing a first RRC reconfiguration procedure with the second base station; releasing the first RRC connection with the first base station; and transitioning to a first RRC-inactive state and a first connection management (CM)-inactive state for the first base station.
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公开(公告)号：US20250008090A1
公开(公告)日：2025-01-02
申请号：US18828322
申请日：2024-09-09
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor： Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Jin Ho LEE , Dong San JUN , Hui Yong KIM , Gwang Hoon PARK , Jin Soo CHOI , Tae Hyun KIM , Dae Young LEE , Young Su HEO
IPC: H04N19/105 , H04N19/147 , H04N19/159 , H04N19/176
Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
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104.发明申请公开(公告)号：US20250007986A1
公开(公告)日：2025-01-02
申请号：US18748390
申请日：2024-06-20
Inventor： Wook HYUN , Mi Young HUH , Jung Ha HONG , Shin Gak KANG
IPC: H04L67/131 , H04L9/40 , H04L67/141
Abstract: A method and system for controlling an interoperability architecture for a cross-platform metaverse are disclosed. According to an embodiment of the present disclosure, a method and system for controlling the architecture that manages the interaction and major components of the metaverse platform are provided.
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105.发明申请公开(公告)号：US20250007614A1
公开(公告)日：2025-01-02
申请号：US18757716
申请日：2024-06-28
Inventor： Han Hyub LEE , Hwan Seok CHUNG
Abstract: Proposed is an operation method of an optical transceiver. The operation method includes determining a first center wavelength for a downstream optical signal, determining a second center wavelength for an upstream optical signal, allocating the first center wavelength to a downstream optical signal, allocating the second center wavelength to an upstream optical signal, wherein the first center wavelength and the second center wavelength has a separation distance corresponding to a predetermined wavelength spacing therebetween, and separating the downstream optical signal and the upstream optical signal on the basis of the separation distance.
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Patent Agency Ranking
公开(公告)号：US12185099B2
公开(公告)日：2024-12-31
申请号：US17967957
申请日：2022-10-18
Inventor： Yong Sung Jeon , Ha Young Seong , Sang Woo Lee , You Sung Kang , Ik Kyun Kim , Mi Kyung Oh , Sang Jae Lee
Abstract: Provided is a module and method for transmitting information using a wireless hidden signal, which is capable of transmitting important information data requiring extreme security using a wireless hidden signal, and allowing the important information to be detected and distinguished by only promised transmitting/receiving parties so that the possibility of the wireless hidden signal being discovered can be minimized and security can be enhanced. The module for transferring information using a wireless hidden signal includes: a hidden formatting unit configured to generate a transmission data frame structure based on data that needs to be wirelessly transmitted; a hidden encoding unit configured to encode the generated transmission data frame structure to generate and output a hidden encoded bit stream; and a hidden modulation unit configured to convert the output hidden encoded bit stream into a wireless signal in a wireless transmission format.
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公开(公告)号：US20240430947A1
公开(公告)日：2024-12-26
申请号：US18752623
申请日：2024-06-24
Inventor： Chanho YOON , Cheulsoon KIM , Young Jo KO , Yong Sun KIM , Kapseok CHANG
IPC: H04W74/0833 , H04L27/26
Abstract: Proposed is an apparatus and method for increasing the reach area of a random access preamble and uplink data signals in a wireless communication system. An operation method of a transmitter in a wireless communication system may include a process of generating sequences for generating a physical random preamble channel (PRACH) signal, a process of converting the sequences in a frequency domain, a process of dividing the converted sequences into frequency source blocks (RB), a process of allocating the frequency resource blocks to different spatial layers, and a process of transmitting the PRACH signal on the basis of the frequency resource blocks allocated to the spatial layers.
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公开(公告)号：US20240430404A1
公开(公告)日：2024-12-26
申请号：US18813138
申请日：2024-08-23
Inventor： Dong San JUN , Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Jin Ho LEE , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/105 , H04N19/119 , H04N19/147 , H04N19/176 , H04N19/573
Abstract: The present invention provides a method and apparatus for encoding/decoding an image to enhance inter prediction. According to the present invention, the method includes: determining a first reference picture and a second reference picture of a current block; determining both a first reference block in the first reference picture and a second reference block in the second reference picture; partitioning the current block into a plurality of sub blocks; and obtaining a prediction block of each of the sub blocks on the basis of reference candidate block index information of each of the sub blocks.
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公开(公告)号：US20240429994A1
公开(公告)日：2024-12-26
申请号：US18686374
申请日：2022-08-26
Inventor： Sung Hyun MOON , Cheul Soon KIM , Jung Hoon LEE
IPC: H04B7/06 , H04B7/0456 , H04W16/26 , H04W72/0446
Abstract: An operation method of a relay in a mobile communication system may comprise the steps of: receiving information relating to a backhaul reception beam and/or a backhaul transmission beam from a base station; receiving information relating to an access link transmission beam and/or an access link reception beam from the base station or obtaining information relating to an access link transmission beam and/or an access link reception beam from the information relating to the backhaul reception beam and/or backhaul transmission beam; communicating with the base station by using the backhaul reception beam and/or the backhaul transmission beam formed using the information relating to the backhaul reception beam and/or backhaul transmission beam; and communicating with a terminal by using the access link transmission beam and/or the access link reception beam formed using the information relating to the access link transmission beam and/or access link reception beam.
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110.发明申请公开(公告)号：US20240429970A1
公开(公告)日：2024-12-26
申请号：US18679853
申请日：2024-05-31
Inventor： Dongho KIM , Seung Keun PARK , Sang il KWAK , Hyeyeon KWON , Dong-Uk SIM , jeongwoo HUR , seong ju KIM , Hanjun MAENG
Abstract: A signal conversion method and device for generating a modulation signal are provided. The signal conversion method includes receiving an input signal and a reflection coefficient of a reconfigurable intelligent surface (RIS) according to a sample time, selecting an optimized reflection coefficient of the RIS corresponding to the sample time, and generating the modulation signal by applying the optimized reflection coefficient of the RIS to the input signal.
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