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公开(公告)号：US20210250874A1
公开(公告)日：2021-08-12
申请号：US17241837
申请日：2021-04-27
Inventor： TOMOHUMI TAKATA , YOSHIO URABE , TAKASHI IWAI
Abstract: A communication apparatus includes: signal generation circuitry which, in operation, generates a control signal including a target reception power value regarding a target value of a reception power for the communication apparatus to receive an uplink (UL) response frame transmitted by each of one or more terminal stations, the control signal being a trigger frame that solicits transmission of the UL response frame from each of the one or more terminal stations; and transmission circuitry which, in operation, transmits the generated signal.
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公开(公告)号：US20180227950A1
公开(公告)日：2018-08-09
申请号：US15947592
申请日：2018-04-06
Inventor： TAKASHI IWAI , TOMOHUMI TAKATA , YOSHIO URABE
Abstract: A communication apparatus includes signal generation circuitry which, in operation, generates a control signal including a plurality of user specific fields, each of the plurality of user specific fields including an Association ID (AID) subfield for specifying a corresponding terminal station, and transmission circuitry which, in operation, transmits the control signal, wherein one of a plurality of AIDs for scheduled access or one of a plurality of random access IDs for random access is assigned to the AID subfield in each of the plurality of user specific fields, and each value of the plurality of random access IDs indicates a type of a terminal station which can perform random access to the at least one resource unit.
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公开(公告)号：US20240305418A1
公开(公告)日：2024-09-12
申请号：US18665389
申请日：2024-05-15
Inventor： LEI HUANG , HONG CHENG MICHAEL SIM , YOSHIO URABE
IPC: H04L5/00 , H04B7/0404 , H04B7/0452 , H04B7/06 , H04L25/02 , H04W16/28 , H04W72/044 , H04W72/0453 , H04W72/542 , H04W84/12
CPC classification number: H04L5/0023 , H04B7/0404 , H04B7/0452 , H04B7/0617 , H04B7/0632 , H04B7/0639 , H04L5/0028 , H04L5/006 , H04L5/0091 , H04L25/0224 , H04W72/542 , H04W84/12 , H04B7/0623 , H04B7/0634 , H04B7/065 , H04B7/066 , H04L5/0048 , H04W16/28 , H04W72/0453 , H04W72/046
Abstract: A communication method of the present disclosure comprises transmitting a sounding frame comprising a training signal; and receiving a first feedback frame from a communication partner device, the first feedback frame comprising first beamforming feedback information, wherein the first feedback frame is transmitted together with at least one second feedback frame by multiuser transmission.
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14.发明公开公开(公告)号：US20230344693A1
公开(公告)日：2023-10-26
申请号：US18332400
申请日：2023-06-09
Inventor： LEI HUANG , YOSHIO URABE , MICHAEL HONG CHENG SIM
IPC: H04L27/26 , H04L5/00 , H04W72/20 , H04B7/0452 , H04L1/00
CPC classification number: H04L27/2613 , H04L5/0007 , H04L5/0037 , H04L5/0094 , H04L27/2603 , H04W72/20 , H04B7/0452 , H04L1/0004
Abstract: A transmission apparatus of the present disclosure comprises a transmission signal generator which generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field, the second signal field comprising a first channel field and a second channel field, each of the first channel field and the second channel field comprising a common field that carries resource assignment information for one or more terminal stations and a user-specific field that carries per-user allocation information for the one or more terminal stations, and wherein a part of the user-specific field of one of the first channel field and the second channel field whichever is longer than the other channel field in length before appending padding bits is relocated to the other channel field; and a transmitter which transmits the generated transmission signal.
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公开(公告)号：US20230156732A1
公开(公告)日：2023-05-18
申请号：US18155637
申请日：2023-01-17
Inventor： LEI HUANG , HONG CHENG MICHAEL SIM , YOSHIO URABE , ISAMU YOSHII
CPC classification number: H04W72/23 , H04L5/0044 , H04L5/005 , H04L5/0091 , H04J11/0069 , H04L1/0046 , H04L5/001 , H04L5/0035 , H04L5/0051 , H04L5/0053 , H04L5/0094 , H04W40/24 , H04W74/004 , H04L5/0007
Abstract: A transmission apparatus comprises an assignment information generator which, in operation, assigns resources on a resource unit (RU) basis to one or more terminal stations (STAs) and generates assignment information that specifies RUs allocated to the one or more STAs; a transmission signal generator which, in operation, generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field that carry a set ID and the assignment information, and wherein the set ID identifies one assignment set comprising the one or more STAs and a plurality of assignment indices, and wherein the assignment information comprises a resource assignment indication for each of a plurality of assignment which are referenced by the plurality of assignment indices; and a transmitter which, in operation, transmits the generated transmission signal.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20230117291A1
公开(公告)日：2023-04-20
申请号：US18068479
申请日：2022-12-19
Inventor： TAKASHI IWAI , TOMOHUMI TAKATA , YOSHIO URABE
Abstract: A communication apparatus includes signal generation circuitry which, in operation, generates a control signal including a plurality of user specific fields, each of the plurality of user specific fields including an Association ID (AID) subfield for specifying a corresponding terminal station, and transmission circuitry which, in operation, transmits the control signal, wherein one of a plurality of AIDs for scheduled access or one of a plurality of random access IDs for random access is assigned to the AID subfield in each of the plurality of user specific fields, and each value of the plurality of random access IDs indicates a type of a terminal station which can perform random access to the at least one resource unit.
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公开(公告)号：US20220417072A1
公开(公告)日：2022-12-29
申请号：US17895977
申请日：2022-08-25
Inventor： LEI HUANG , MICHAEL HONG CHENG SIM , YOSHIO URABE
IPC: H04L27/26
Abstract: A transmission apparatus comprises circuitry that generates a physical protocol data unit (PPDU) that contains a legacy signal field and a first signal field wherein both of the legacy signal field and the first signal field comprise an Orthogonal Frequency Division Multiplexing (OFDM) symbol, and the first signal field is derived from the legacy signal field, and a transmitter, which, in operation, transmits the PPDU. A format of the PPDU is indicated based on whether a part of bits of the first signal field is inverted or not. The format of the PPDU is a first format or a second format, and data subcarriers of the first signal field in the second format have inverted values of corresponding values in the legacy signal field, and pilots of the first signal field in the second format are not inverted and have same values of corresponding values in the legacy signal field.
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公开(公告)号：US20210058204A1
公开(公告)日：2021-02-25
申请号：US17093160
申请日：2020-11-09
Inventor： LEI HUANG , HONG CHENG MICHAEL SIM , YOSHIO URABE
IPC: H04L5/00 , H04W84/12 , H04B7/0404 , H04B7/0452 , H04W72/08 , H04B7/06 , H04L25/02
Abstract: A communication method of the present disclosure comprises transmitting a sounding frame comprising a training signal; and receiving a first feedback frame from a communication partner device, the first feedback frame comprising first beamforming feedback information, wherein the first feedback frame is transmitted together with at least one second feedback frame by multiuser transmission.
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19.发明申请公开(公告)号：US20180219710A1
公开(公告)日：2018-08-02
申请号：US15927733
申请日：2018-03-21
Inventor： LEI HUANG , YOSHIO URABE , MICHAEL HONG CHENG SIM
Abstract: An transmission apparatus of the present disclosure comprises a transmission signal generator which generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field, the second signal field comprising a first channel field and a second channel field, each of the first channel field and the second channel field comprising a common field that carries resource assignment information for one or more terminal stations and a user-specific field that carries per-user allocation information for the one or more terminal stations, and wherein a part of the user-specific field of one of the first channel field and the second channel field whichever is longer than the other channel field in length before appending padding bits is relocated to the other channel field; and a transmitter which transmits the generated transmission signal.
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公开(公告)号：US20240396783A1
公开(公告)日：2024-11-28
申请号：US18794826
申请日：2024-08-05
Inventor： LEI HUANG , MICHAEL HONG CHENG SIM , YOSHIO URABE
IPC: H04L27/26
Abstract: A transmission apparatus comprises circuitry that generates a physical protocol data unit (PPDU) that contains a legacy signal field and a first signal field wherein both of the legacy signal field and the first signal field comprise an Orthogonal Frequency Division Multiplexing (OFDM) symbol, and the first signal field is derived from the legacy signal field, and a transmitter, which, in operation, transmits the PPDU. A format of the PPDU is indicated based on whether a part of bits of the first signal field is inverted or not. The format of the PPDU is a first format or a second format, and data subcarriers of the first signal field in the second format have inverted values of corresponding values in the legacy signal field, and pilots of the first signal field in the second format are not inverted and have same values of corresponding values in the legacy signal field.
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