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1.发明公开公开(公告)号：US20240155632A1
公开(公告)日：2024-05-09
申请号：US18415731
申请日：2024-01-18
Applicant: Sun Patent Trust
Inventor： Yoshiko SAITO , Ayako HORIUCHI , Seigo NAKAO , Akihiko NISHIO , Daichi IMAMURA , Alexander GOLITSCHEK EDLER VON ELBWART , Sujuan FENG
CPC classification number: H04W72/23 , H04J11/0079 , H04L5/001 , H04L5/0051 , H04L5/0053 , H04L5/0094
Abstract: A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink control information, and receives decoding area information that indicates whether the extended Physical Downlink Control Channel (PDCCH) should be decoded for each of a plurality of terminal apparatuses. The decoder decodes each of a plurality of first mapping candidates in the PDCCH area or decodes each of the plurality of first mapping candidates in the PDCCH area and each of the plurality of second mapping candidates in the extended PDCCH. A number of the second mapping candidates included in the user-specific search space equals to or is more than a number of the first mapping candidates included in the common search space.
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Patent Agency Ranking
公开(公告)号：US20220240230A1
公开(公告)日：2022-07-28
申请号：US17658687
申请日：2022-04-11
Applicant: Sun Patent Trust
Inventor： Yoshiko SAITO , Ayako HORIUCHI , Seigo NAKAO , Akihiko NISHIO , Daichi IMAMURA , Alexander GOLITSCHEK EDLER VON ELBWART , Sujuan FENG
Abstract: A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink control information, and receives decoding area information that indicates whether the extended Physical Downlink Control Channel (PDCCH) should be decoded for each of a plurality of terminal apparatuses. The decoder decodes each of a plurality of first mapping candidates in the PDCCH area or decodes each of the plurality of first mapping candidates in the PDCCH area and each of the plurality of second mapping candidates in the extended PDCCH. A number of the second mapping candidates included in the user-specific search space equals to or is more than a number of the first mapping candidates included in the common search space.
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3.发明申请公开(公告)号：US20190014567A1
公开(公告)日：2019-01-10
申请号：US16132512
申请日：2018-09-17
Applicant: Sun Patent Trust
Inventor： Yoshiko SAITO , Ayako HORIUCHI , Seigo NAKAO , Akihiko NISHIO , Daichi IMAMURA , Alexander GOLITSCHEK EDLER VON ELBWART , Sujuan FENG
Abstract: A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink control information, and receives decoding area information that indicates whether the extended Physical Downlink Control Channel (PDCCH) should be decoded for each of a plurality of terminal apparatuses. The decoder decodes each of a plurality of first mapping candidates in the PDCCH area or decodes each of the plurality of first mapping candidates in the PDCCH area and each of the plurality of second mapping candidates in the extended PDCCH. A number of the second mapping candidates included in the user-specific search space equals to or is more than a number of the first mapping candidates included in the common search space.
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4.发明申请公开(公告)号：US20180152928A1
公开(公告)日：2018-05-31
申请号：US15871194
申请日：2018-01-15
Applicant: Sun Patent Trust
Inventor： Yoshiko SAITO , Ayako HORIUCHI , Seigo NAKAO , Akihiko NISHIO , Daichi IMAMURA , Alexander GOLITSCHEK EDLER VON ELBWART , Sujuan FENG
CPC classification number: H04W72/042 , H04J11/0079 , H04L5/001 , H04L5/0051 , H04L5/0053 , H04L5/0094
Abstract: A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink control information, and receives decoding area information that indicates whether the extended Physical Downlink Control Channel (PDCCH) should be decoded for each of a plurality of terminal apparatuses. The decoder decodes each of a plurality of first mapping candidates in the PDCCH area or decodes each of the plurality of first mapping candidates in the PDCCH area and each of the plurality of second mapping candidates in the extended PDCCH. A number of the second mapping candidates included in the user-specific search space equals to or is more than a number of the first mapping candidates included in the common search space.
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公开(公告)号：US20240107548A1
公开(公告)日：2024-03-28
申请号：US18523691
申请日：2023-11-29
Applicant: Sun Patent Trust
Inventor： Akihiko NISHIO , Seigo NAKAO , Ayako HORIUCHI , Yasuaki YUDA , Sujuan FENG , Michael EINHAUS
CPC classification number: H04W72/23 , H04L5/0007 , H04L5/0053 , H04L5/0055 , H04L5/14
Abstract: Provided are a base station, whereby the erroneous detection of control information can be reduced, thereby preventing the degradation of the system throughput. A base station maps a downstream allocation control information unit, which is addressed to a terminal, to a first resource region, which can be used for any of a downstream control channel region and a downstream data channel region, or to a second resource region, which can be used only for the downstream control channel, so as to transmit the downstream allocation control information unit. In the base station, a control unit establishes a scale of the PDCCH region, and a transmission region establishing unit establishes, on the basis of a scale value established by the control unit, a mapping region to which the DCI is mapped within the R-PDCCH region and the PDCCH region.
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公开(公告)号：US20230024162A1
公开(公告)日：2023-01-26
申请号：US17954231
申请日：2022-09-27
Applicant: Sun Patent Trust
Inventor： Akihiko NISHIO , Seigo NAKAO , Ayako HORIUCHI , Yasuaki YUDA , Sujuan FENG , Michael EINHAUS
Abstract: Provided are a base station, whereby the erroneous detection of control information can be reduced, thereby preventing the degradation of the system throughput. A base station maps a downstream allocation control information unit, which is addressed to a terminal, to a first resource region, which can be used for any of a downstream control channel region and a downstream data channel region, or to a second resource region, which can be used only for the downstream control channel, so as to transmit the downstream allocation control information unit. In the base station, a control unit establishes a scale of the PDCCH region, and a transmission region establishing unit establishes, on the basis of a scale value established by the control unit, a mapping region to which the DCI is mapped within the R-PDCCH region and the PDCCH region.
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