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公开(公告)号：US20240129226A1
公开(公告)日：2024-04-18
申请号：US18119637
申请日：2023-03-09
发明人： ATSUSHI SHIRAKAWA , RYOTA YAMADA , Takuhiro SATO , HIDEO NAMBA
CPC分类号： H04L45/24 , H04W28/0908 , H04L69/323
摘要： A Multi-Link access point apparatus uses multiple combinations of link offset information and information of the number of links to notify, by using only a small amount of information, whether a frame is buffered that is addressed to a Multi-Link station apparatus operating in a Power Management mode and information of a link, the use of which is indicated or recommended.
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公开(公告)号：US20220095099A1
公开(公告)日：2022-03-24
申请号：US17429138
申请日：2020-01-31
发明人： SEIJI SATO , HIDEO NAMBA , YASUHIRO HAMAGUCHI
摘要： In a case in which a plurality of mobile station apparatuses to which a plurality of sub-devices are connected through Ethernet (registered trade name) are connected to a base station apparatus, efficient communication needs to be performed through an appropriate routing process. A base station apparatus of a communication system including at least the base station apparatus and a mobile station apparatus, the base station apparatus including a controller configured to control a core net interface unit, a PDCP layer configured to handle a PDCP-PDU, and an RRC layer configured to perform radio resource control, in which the PDCP-PDU is able to use at least an IP packet or an Ethernet (registered trade name) frame, and in a case that the controller is configured such that the PDCP-PDU uses the Ethernet (registered trade name) frame, the base station apparatus receives, from the mobile station apparatus, an RRC message including a MAC address list of Ethernet (registered trade name).
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公开(公告)号：US20210144678A1
公开(公告)日：2021-05-13
申请号：US16492491
申请日：2018-03-05
摘要： Provided is a terminal apparatus for communicating with a base station apparatus by using a plurality of subcarriers by a grant free access scheme, the terminal apparatus includes: a configuration unit configured to configure the number of the plurality of subcarriers to be used for transmission to the specific number of the plurality of subcarriers less than or equal to the prescribed number of the plurality of subcarriers; and a transmitter configured to transmit, in a prescribed communication band, a transmit signal by using the plurality of subcarriers of the specific number among the plurality of subcarriers of the prescribed number, in which the transmit signal does not include information for indicating the specific number of the plurality of subcarriers, the transmitter performs determination of a frequency in the prescribed communication band to which the plurality of subcarriers of the specific number are allocated, and the determination of the frequency in the prescribed communication band is not configured by the base station apparatus.
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公开(公告)号：US20210050885A1
公开(公告)日：2021-02-18
申请号：US16071164
申请日：2017-01-18
IPC分类号： H04B7/0408 , H04W16/28 , H04L5/00
摘要： Communication efficiency can be enhanced during multiplex communication. A radio control station apparatus includes a multi-beam antenna unit capable of controlling each of a plurality of beam performances and an RF system for transmission. The RF system further includes a multiplexing unit configured to perform multiplexing by using a plurality of frequency channels or a plurality of sub-carriers, allocates at least one of the plurality of different frequency channels or at least one of the plurality of different sub-carriers to each of transmit signals to be transmitted to the plurality of radio terminal apparatuses, multiplexes the above allocated frequency channels or sub-carriers in the multiplexing unit, and transmits the multiplexed signal through the multi-beam antenna unit using a plurality of beams.
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公开(公告)号：US20190335494A1
公开(公告)日：2019-10-31
申请号：US16310377
申请日：2017-06-28
发明人： HIDEO NAMBA
摘要： Communication efficiency is improved in a case of using a grant-less communication scheme and a grant-based scheme. A radio terminal apparatus for communicating with a radio base station apparatus, which includes a transmitter configured to transmit a signal to the radio base station apparatus, a receiver configured to receive a signal from the radio base station, and a controller configured to control the transmitter and the receiver. The controller is capable of selecting both a grant-based scheme and a grant-less communication scheme to transmit user data. In a case of transmitting the user data by using the grant-less communication scheme and adding a session identifier for identifying the radio terminal apparatus, a transmission of at least two parts that include a first part including the session identifier and a second part including the user data is performed at a time. First information for detecting an error in receiving the first part and second information for detecting an error in receiving the second part are added at the time of the transmission, regardless of the error in receiving the second part, and an amount of the first information and an amount of the second information are different from each other.
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公开(公告)号：US20180359646A1
公开(公告)日：2018-12-13
申请号：US15779647
申请日：2016-09-15
摘要： To provide a communication apparatus and a communication method capable of simultaneously directing main beams to reception stations and transmission stations the numbers of which exceed the number N of RF systems provided to the communication apparatus itself. The communication apparatus according to the present invention includes a transmission unit configured to generate non-orthogonal multiplexed signals including downlink signals addressed to multiple terminal apparatuses, an antenna capable of forming an antenna directivity pattern including multiple main beams, and a transmission beam control unit configured to generate a signal controlling the antenna directivity pattern, wherein the non-orthogonal multiplexed signals are simultaneously transmitted by use of the multiple main beams, and the number of main beams included in the antenna directivity pattern is more than the number of RF systems of the antenna.
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7.发明公开公开(公告)号：US20240040620A1
公开(公告)日：2024-02-01
申请号：US18116438
申请日：2023-03-02
发明人： HIDEO NAMBA , RYOTA YAMADA , ATSUSHI SHIRAKAWA
CPC分类号： H04W74/0816 , H04W72/535 , H04W84/12
摘要： A base station apparatus for communicating with a terminal apparatus receives direct link setup information, and in a case that Intra-BSS Spatial Reuse (SR) is enabled, the base station apparatus generates SR link information including a terminal apparatus to perform direct link and a color index associated with the terminal to perform direct link, and notifies the terminal apparatus of the SR link information. The terminal apparatus receives the SR link information, and acquires the terminal apparatus to perform direct link supporting intra-BSS SR and the color index corresponding to the terminal apparatus to perform direct link supporting intra-BSS SR. intra-BSS SR is performed for data used by an application for which traffic with high priority and/or with low latency is specified, and communication efficiency can be improved in coordination with the application.
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公开(公告)号：US20230199825A1
公开(公告)日：2023-06-22
申请号：US17690880
申请日：2022-03-09
发明人： ATSUSHI SHIRAKAWA , HIDEO NAMBA , HIROMICHI TOMEBA
CPC分类号： H04W72/1242 , H04W74/0808
摘要： A terminal apparatus that communicates with a base station apparatus or another terminal apparatus includes a transmitter that transmits a radio frame, a receiver that receives a carrier sense and a radio frame, and a controller that controls transmission and reception of a radio frame, and the controller transmits, to the base station apparatus, a radio frame including priority right utilization condition information and information to request a priority right.
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公开(公告)号：US20230084674A1
公开(公告)日：2023-03-16
申请号：US17796234
申请日：2021-02-17
发明人： HIROMICHI TOMEBA , HIDEO NAMBA
摘要： A station apparatus according to the present invention includes a signal demodulator configured to interpret a first coding scheme and a second coding scheme, a receiver configured to receive a reception frame including a control signal, and a transmitter configured to transmit, based on the control signal, a transmission frame including any one of a first retransmission request signal associated with the first coding scheme or a second retransmission request signal associated with the second coding scheme, wherein the control signal includes first information indicating whether a reception method for changing a carrier sense level is allowed.
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公开(公告)号：US20230065023A1
公开(公告)日：2023-03-02
申请号：US17795831
申请日：2021-02-17
发明人： HIROMICHI TOMEBA , HIDEO NAMBA
摘要： A station apparatus according to the present invention includes a signal demodulator configured to decode a signal of a physical layer and perform error detection, a higher layer processor configured to transfer a result of decoding the physical layer to a MAC layer and obtain data transferred from the MAC layer, and a transmitter configured to generate a signal of a physical layer, based on the data transferred from the MAC layer, wherein the signal of the physical layer includes a physical header, and the physical header includes information associated with a result of the error detection.
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