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公开(公告)号：US20250062944A1
公开(公告)日：2025-02-20
申请号：US18721304
申请日：2022-12-21
Inventor： Kapseok CHANG , Byung Jae KWAK , Won Cheol CHO , Young-Jo KO , Yong Sun KIM
Abstract: A method by which a first communication node operates in a communication system comprises the steps of: generating a first sequence and a second sequence; generating a first signal sequence on the basis of the first sequence and the second sequence; and transmitting a first signal generated by modulating the first signal sequence, wherein even-numbered elements and odd numbered elements of the first signal sequence are classified into a first element group and a second element group, respectively, and any one of the first sequence and the second sequence can be mapped in ascending order in the first element group, and the other one thereof can be mapped in descending order in the second element group.
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2.发明公开公开(公告)号：US20230319738A1
公开(公告)日：2023-10-05
申请号：US18129206
申请日：2023-03-31
Inventor： Byung Jae KWAK , Kapseok CHANG , Won Cheol CHO , Young-Jo KO , Yong Sun KIM
IPC: H04W56/00
CPC classification number: H04W56/00
Abstract: An operation method of a first communication apparatus may include: identifying one or more synchronization signal components constituting a synchronization signal component set; generating a plurality of synchronization signal sections based on the one or more synchronization signal components and a plurality of primary coefficients corresponding to the one or more synchronization signal components; generating one or more synchronization signal parts based on a combination of the plurality of synchronization signal sections; generating one or more synchronization signals based on a combination of the one or more synchronization signal parts in time domain; and transmitting the generated one or more synchronization signals.
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公开(公告)号：US20230396293A1
公开(公告)日：2023-12-07
申请号：US18328166
申请日：2023-06-02
Inventor： Chan ho YOON , Young Jo KO , Kap Seok CHANG , Won Cheol CHO
CPC classification number: H04B7/04026 , H04B7/0621
Abstract: A method of a transmitting node may comprise: modulating a codeword corresponding to data to be transmitted; generating sparse space-frequency block code (SSFBC)-coded symbols by encoding the modulated codeword in an SSFBC scheme; performing precoding on the SSFBC-coded symbols for each of subbands respectively corresponding to transmit antenna groups; and transmit the precoded SSFBC-coded symbols by performing beamforming on the precoded SSFBC-coded symbols using at least one array antenna group among two or more array antenna groups.
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4.发明公开公开(公告)号：US20230188405A1
公开(公告)日：2023-06-15
申请号：US18080909
申请日：2022-12-14
Inventor： Kapseok CHANG , Yong Sun KIM , Won Cheol CHO , Young-Jo KO
CPC classification number: H04L27/362 , H04L27/3444
Abstract: An operation method of a first communication node in a communication system may include: generating a base sequence; performing a quadrature phase shift keying (QPSK) operation on the base sequence; generating a first signal sequence by performing a rotational transform operation by a first angle on a complex plane with respect to a result of the QPSK operation; modulating the first signal sequence to generate first modulation symbols; and transmitting a first signal composed of the first modulation symbols to a second communication node, wherein each of a plurality of elements constituting the first signal sequence has a real value or a pure imaginary value.
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