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公开(公告)号：US20240040624A1
公开(公告)日：2024-02-01
申请号：US18378904
申请日：2023-10-11
IPC分类号： H04W74/08
CPC分类号： H04W74/0816 , H04W74/0866
摘要： Methods, apparatuses, and computer readable media for secondary channel access where an apparatus of an access point (AP) MLD, apparatus of a non-AP MLD, apparatus of a station (STA), or an apparatus of an AP comprises processing circuitry configured to: decode, from a primary channel, a first a physical layer (PHY) protocol data unit (PPDU), determine whether the PPDU is from an overlapping basic service set (OBSS), and in response to a determination that the PPDU is from the OBSS, perform an energy detection on a secondary channel. Different energy detection levels may be used than for the primary channel and the apparatus may wait a transition delay before performing the energy detection.
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公开(公告)号：US20230328790A1
公开(公告)日：2023-10-12
申请号：US18322007
申请日：2023-05-23
申请人： Laurent Cariou , Thomas J. Kenney , Dibakar Das , Dmitry Akhmetov
发明人： Laurent Cariou , Thomas J. Kenney , Dibakar Das , Dmitry Akhmetov
IPC分类号： H04W74/08
CPC分类号： H04W74/0816 , H04W74/0875
摘要： For example, a wireless communication station (STA) may be configured toto transmit a reservation signal over a wireless medium at a reservation signal transmission time, for example, based on a determination that high-priority data of a high-priority Access Category (AC) is queued at the STA. For example, the reservation signal transmission time may be based on an end of a predefined time duration from a start of a contention period. For example, the reservation signal may be configured to indicate a busy Clear Channel Assessment (CCA) to a receiving STA. For example, the STA may be configured to contend the wireless medium according to a high-priority contention policy, for example, after transmission of the reservation signal, to obtain a Transmit Opportunity (TxOP) for transmission of the high-priority data.
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公开(公告)号：US20210084711A1
公开(公告)日：2021-03-18
申请号：US17022625
申请日：2020-09-16
申请人： Minyoung Park , Po-Kai Huang , Thomas J. Kenney , Daniel Bravo , Ehud Reshef , Laurent Cariou , Dibakar Das , Dmitry Akhmetov
发明人： Minyoung Park , Po-Kai Huang , Thomas J. Kenney , Daniel Bravo , Ehud Reshef , Laurent Cariou , Dibakar Das , Dmitry Akhmetov
摘要： This disclosure describes systems, methods, and devices related to multi-link operation. A device may configure a single N×N transmit (TX)/receive (RX) radio to a plurality of 1×1 TX/RX radios, where N is a positive integer. The device may monitor a first channel of a plurality of channels to determine its availability. The device may monitor a second channel of the plurality of channels to determine its availability. The device may identify a first control frame received from an access point (AP) multi-link device (MLD) on the second channel. The device may cause to send a second control frame to the AP MLD on the second channel. The device may configure back to a single N×N TX/RX radio to receive a data frame.
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公开(公告)号：US20240098780A1
公开(公告)日：2024-03-21
申请号：US18526813
申请日：2023-12-01
申请人： Laurent Cariou , Dmitry Akhmetov , Dibakar Das
发明人： Laurent Cariou , Dmitry Akhmetov , Dibakar Das
IPC分类号： H04W74/08
CPC分类号： H04W74/08
摘要： Methods, apparatuses, and computer readable media for an access point (AP), where an apparatus of an AP comprises processing circuitry configured to: decode a first defer signal frame, determine the first defer signal frame is from a station (STA) associated with the AP, and encode, for transmission, in a subsequent contention period a second defer signal frame. The processing is further configured to: determine the first defer signal is from the STA associated with the AP based on one of: a basic service set (BSS) subfield in a physical (PHY) portion of the first signal frame, a transmitter address in a media access control (MAC) portion of the first defer signal frame, a receiver address in the MAC portion of the first defer signal frame, or a service field of the first signal field.
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公开(公告)号：US20230246757A1
公开(公告)日：2023-08-03
申请号：US18192865
申请日：2023-03-30
申请人： Dibakar Das , Dmitry Akhmetov , Laurent Cariou , Ehud Reshef
发明人： Dibakar Das , Dmitry Akhmetov , Laurent Cariou , Ehud Reshef
CPC分类号： H04L5/0035 , H04L5/0044 , H04W52/367
摘要： This disclosure describes systems, methods, and devices related to scheduling asynchronous transmissions by other access point (AP) devices in a multi-AP environment. A method may include a coordinating AP identifying a first time for a first coordinated AP device to send a first physical layer (PHY) protocol data unit (PPDU) using a first frequency segment; identifying a second time different than the first time for a second coordinated device to send a second PPDU using a second frequency segment; generating one or more frames comprising indications that the first AP device is to send the first PPDU using the first frequency segment and that the second AP device is to send the second PPUD using the second frequency segment; and causing to send the one or more frames to the first coordinated AP device and the second coordinated AP device.
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公开(公告)号：US20230028091A1
公开(公告)日：2023-01-26
申请号：US17958342
申请日：2022-10-01
摘要： An apparatus may be configured to perform communication over a millimeterWave (mmWave) channel assisted by communication over a sub 10 Gigahertz (GHz) (sub-10 GHz) channel. For example, a wireless communication device may be configured to identify a link block event including a blocking of an mmWave wireless communication link between an mmWave wireless communication station (STA) of the wireless communication device and an other wireless communication device. For example, the wireless communication device may be configured to, based on the link block event, communicate with the other wireless communication device over a sub-10 GHz wireless communication link between a sub-10 GHz STA of the wireless communication device and the other wireless communication device.
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公开(公告)号：US20210251006A1
公开(公告)日：2021-08-12
申请号：US17242865
申请日：2021-04-28
申请人： Laurent Cariou , Dibakar Das , Dmitry Akhmetov
发明人： Laurent Cariou , Dibakar Das , Dmitry Akhmetov
摘要： This disclosure describes systems, methods, and devices related to aligned channel access. A device may perform a first backoff countdown on a first link associated with a first station device (STA) of the device, wherein the device is a multi-link device (MLD). The device may detect a second backoff countdown associated with a second STA of the MLD after the first backoff countdown reaches zero. The device may determine to hold the first backoff countdown at zero based on the value of the second backoff countdown. The device may transmit in synchronization on the first link and on the second link from the first STA and the second STA respectively based on holding the first backoff countdown at zero.
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公开(公告)号：US20210045192A1
公开(公告)日：2021-02-11
申请号：US17079791
申请日：2020-10-26
申请人： Dibakar Das , Laurent Cariou , Dmitry Akhmetov
发明人： Dibakar Das , Laurent Cariou , Dmitry Akhmetov
摘要： Embodiments of an access point (AP) configured for extremely high throughput (EHT) operation may be configured to operate as a triggering AP for a trigger-based (TB) peer-to-peer (P2P) communication between a triggered direct (TD) station (STA) and a TD peer STA. The AP may encode a Direct Link Announcement (DiL-A) frame to schedule the TD STA for a direct link transmission to the TD peer STA. The DiL-A frame may be encoded to include a Duration/ID field. The AP may set the Duration/ID field of the DiL-A frame to a remaining duration of a transmission opportunity (TXOP) when the TD peer STA is an EHT STA that supports TB P2P operation (e.g., to allow the TD peer STA to ignore the NAV set by the DiL-A frame). The AP may set the Duration/ID field of the DiL-A frame to a response time for the TD STA to respond to the DiL-A frame when the TD Peer STA is a legacy STA (e.g., to allow the TD peer STA to set its NAV based on the response time).
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公开(公告)号：US20220330270A1
公开(公告)日：2022-10-13
申请号：US17848110
申请日：2022-06-23
申请人： Dibakar Das , Dave A. Cavalcanti , Laurent Cariou , Dmitry Akhmetov , Daniel F. Bravo , Danny Alexander , Ehud Reshef
发明人： Dibakar Das , Dave A. Cavalcanti , Laurent Cariou , Dmitry Akhmetov , Daniel F. Bravo , Danny Alexander , Ehud Reshef
IPC分类号： H04W72/12
摘要： To communicate with a plurality of non-AP stations (STAs) within synchronized transmission opportunities (S-TXOPs), an access point station (AP) performs an initial management frame exchange with the STAs. During the initial management frame exchange, one or more sets of semi-static allocation parameters are signalling to the STAs. Each set of semi-static allocation parameters is associated with an allocation index (IDx). The AP may communicate data with the STAs during S-TXOPs that follow the initial management frame exchange. Each of the S-TXOPs may include an S-TXOP trigger. The S-TXOP trigger may be encoded to include one of the allocation indices to indicate a known allocation for use during the associated S-TXOP when a set of the predetermined semi-static allocation parameters are to be used. The S-TXOP trigger may be encoded to include full allocation information to indicate a new allocation for use during the associated S-TXOP when the predetermined semi-static allocation parameters are not used.
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公开(公告)号：US20210045095A1
公开(公告)日：2021-02-11
申请号：US17083203
申请日：2020-10-28
申请人： Laurent Cariou , Dibakar Das , Feng Jiang , Juan Fang , Dmitry Akhmetov
发明人： Laurent Cariou , Dibakar Das , Feng Jiang , Juan Fang , Dmitry Akhmetov
摘要： This disclosure describes systems, methods, and devices related to multi-link acknowledgments. A device may transmit a trigger frame to a station device (STA) multi-link device (MLD), wherein the trigger frame polls the STA MLD to announce presence on communication links. The device may identify a null data packet (NDP) from the STA MLD announcing its presence on a set of communication links. The device may establish the set of communication links with the STA MLD, wherein the STA MLD comprises a plurality of station devices (STAs). The device may allocate a plurality of tone-sets to the plurality of STAs within the STA MLD. The device may identify energy on the allocated tone-sets for each link that the STA MLD has presence on.
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