公开(公告)号：US20220007236A1

公开(公告)日：2022-01-06

申请号：US17482025

申请日：2021-09-22

申请人： Necati Canpolat ,  Dibakar Das ,  Ganesh Venkatesan ,  Chittabrata Ghosh ,  Dave A. Cavalcanti ,  Cheng Chen ,  Juan Fang ,  Laurent Cariou ,  Carlos Cordeiro

发明人： Necati Canpolat ,  Dibakar Das ,  Ganesh Venkatesan ,  Chittabrata Ghosh ,  Dave A. Cavalcanti ,  Cheng Chen ,  Juan Fang ,  Laurent Cariou ,  Carlos Cordeiro

IPC分类号： H04W28/24 ,  H04W28/02

摘要： A Quality-of-Service (QoS) Management AP is configured to support QoS Management features and to perform a QoS Management Protocol. The AP decodes an Enhanced Add Traffic Stream (E-ADDTS) Request QoS Action Frame (E-ADDTS Req) received from a station (STA) to initiate QoS setup for a traffic stream. The STA may be a QoS Management STA configured to support the QoS Management features and perform the QoS Management protocol. The AP may encode, for transmission to the STA in response to the E-ADDTS Req, an E-ADDTS Response QoS Action Frame (E-ADDTS Resp) which includes a status code to indicate whether the QoS setup has been accepted. When the QoS setup is accepted, the E-ADDTS Resp includes a QoS setup ID within a QoS setup ID field in the E-ADDTS Resp that uniquely identifies the QoS setup for the traffic stream.

公开(公告)号：US20220286947A1

公开(公告)日：2022-09-08

申请号：US17751018

申请日：2022-05-23

申请人： Dave A. Cavalcanti ,  Juan Fang ,  Mohammad Mamunur Rashid ,  Carlos Cordeiro ,  Cheng Chen ,  Laurent Cariou ,  Javier Perez-Ramirez ,  Dibakar Das ,  Chittabrata Ghosh

发明人： Dave A. Cavalcanti ,  Juan Fang ,  Mohammad Mamunur Rashid ,  Carlos Cordeiro ,  Cheng Chen ,  Laurent Cariou ,  Javier Perez-Ramirez ,  Dibakar Das ,  Chittabrata Ghosh

IPC分类号： H04W48/16 ,  H04L43/087 ,  H04W88/08 ,  H04W74/08 ,  H04W72/04 ,  H04L47/2416

摘要： An access point (AP) may be configured by processing circuitry to operate as a coordinator AP for performing BSS channel level coordination. The coordinator AP is configured to assign non-overlapping channels to one or more coordinated APs of overlapping BSSs to schedule time-sensitive traffic to help ensure bounded latency, jitter and reliability per BSS. In some embodiments, the AP may be configured for performing transmission level coordination and may initiate a coordinated transmission opportunity (TXOP) for resource assignment to control contention access among managed BSSs. To perform the BSS channel level coordination, the coordinator AP is configured to encode a multi-AP trigger frame (M-TF) to initiate the coordinated TXOP. The M-TF may be encoded to include a time-sensitive operation IE indicating how each STA is to access the channel within the coordinated TXOP.

公开(公告)号：US20200267636A1

公开(公告)日：2020-08-20

申请号：US16870156

申请日：2020-05-08

申请人： Dave A. Cavalcanti ,  Juan Fang ,  Mohammad Mamunur Rashid ,  Carlos Cordeiro ,  Cheng Chen ,  Laurent Cariou ,  Javier Perez-Ramirez ,  Dibakar Das ,  Chittabrata Ghosh

发明人： Dave A. Cavalcanti ,  Juan Fang ,  Mohammad Mamunur Rashid ,  Carlos Cordeiro ,  Cheng Chen ,  Laurent Cariou ,  Javier Perez-Ramirez ,  Dibakar Das ,  Chittabrata Ghosh

IPC分类号： H04W48/16 ,  H04L12/26 ,  H04L12/853 ,  H04W74/08 ,  H04W72/04 ,  H04W88/08

摘要： An access point (AP) may be configured by processing circuitry to operate as a coordinator AP for performing BSS channel level coordination. The coordinator AP is configured to assign non-overlapping channels to one or more coordinated APs of overlapping BSSs to schedule time-sensitive traffic to help ensure bounded latency, jitter and reliability per BSS. In some embodiments, the AP may be configured for performing transmission level coordination and may initiate a coordinated transmission opportunity (TXOP) for resource assignment to control contention access among managed BSSs. To perform the BSS channel level coordination, the coordinator AP is configured to encode a multi-AP trigger frame (M-TF) to initiate the coordinated TXOP. The M-TF may be encoded to include a time-sensitive operation IE indicating how each STA is to access the channel within the coordinated TXOP.

公开(公告)号：US20200305103A1

公开(公告)日：2020-09-24

申请号：US16894511

申请日：2020-06-05

申请人： Cheng Chen ,  Juan Fang ,  Po-Kai Huang ,  Laurent Cariou ,  Carlos Cordeiro ,  Jeffrey R. Foerster ,  Dave A. Cavalcanti ,  Roya Doostnejad

发明人： Cheng Chen ,  Juan Fang ,  Po-Kai Huang ,  Laurent Cariou ,  Carlos Cordeiro ,  Jeffrey R. Foerster ,  Dave A. Cavalcanti ,  Roya Doostnejad

IPC分类号： H04W56/00

摘要： Systems, methods, and devices related to an EHT multi-AP group are described. The coordinated APs of the EHT group are synchronized to the coordinator AP using a periodic or non-periodic frame. Each coordinated AP then synchronizes STAs associated with the coordinated AP. In response to an MPDU, either triggered by a trigger frame from the coordinator AP or initiated by the STA, an ACK frame or NDP response is sent by each AP receiving the MPDU. The response to the MPDU is dependent on whether frame aggregation is used, as well as whether the trigger frame triggers transmission of MPDUs from multiple STAs.

公开(公告)号：US20220338260A1

公开(公告)日：2022-10-20

申请号：US17844237

申请日：2022-06-20

申请人： Dave A. Cavalcanti ,  Dibakar Das ,  Laurent Cariou ,  Dmitry Vadimovich Akhmetov ,  Shahrnaz Azizi ,  Xiaogang Chen ,  Gadi Shor ,  Ehud Reshef ,  Juan Fang

发明人： Dave A. Cavalcanti ,  Dibakar Das ,  Laurent Cariou ,  Dmitry Vadimovich Akhmetov ,  Shahrnaz Azizi ,  Xiaogang Chen ,  Gadi Shor ,  Ehud Reshef ,  Juan Fang

IPC分类号： H04W74/08

摘要： An access point station (AP) communicates with a plurality of non-AP stations (STAs) within a synchronized transmission opportunity (S-TXOP). The S-TXOP may comprise an S-TXOP trigger followed by a plurality of S-TXOP slots. After transmission of the S-TXOP trigger, the AP may encode, for transmission within an S-TXOP slot, a downlink (DL) multi-user physical layer protocol data unit (DL MU-PPDU). The DL MU-PPDU may include a preamble followed by a data field. To indicate that a previously signaled resource unit (RU) allocation is to be used during the S-TXOP slot, the AP may encode the preamble to include an allocation ID of the previously signaled RU allocation in a signal field (SIG) of the preamble and to include a SIG-2 presence indicator to indicate that a second signal field (SIG-2) is not included in the preamble.

公开(公告)号：US20220287049A1

公开(公告)日：2022-09-08

申请号：US17824520

申请日：2022-05-25

申请人： Dave A. Cavalcanti ,  Dibakar Das ,  Laurent Cariou ,  Dmitry Akhmetov

发明人： Dave A. Cavalcanti ,  Dibakar Das ,  Laurent Cariou ,  Dmitry Akhmetov

IPC分类号： H04W72/12 ,  H04W56/00

摘要： An access point (AP) station (STA) configured for communicating with another STA within a synchronized transmission opportunity (S-TXOP) may encode an S-TXOP trigger for transmission at a beginning of the S-TXOP. The S-TXOP trigger may be followed by a plurality of slots within the S-TXOP. The S-TXOP trigger may include a synchronization information field, a station information list field and an optional schedule information field. The STA information list field may include an AID of each STA that is scheduled to communicate during the slots and an indication of whether semi-static configuration is enabled. When the S-TXOP trigger includes the optional schedule information field, it may include resource information for each slot which may include a slot identifier and a slot type indicator. The resource allocation for each slot further includes a scheduling information element when the semi-static configuration for the corresponding slot is not enabled.

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.

公开(公告)号：US20230028874A1

公开(公告)日：2023-01-26

申请号：US17896365

申请日：2022-08-26

申请人： Juan Fang ,  Laurent Cariou ,  Minyoung Park ,  Dave A. Cavalcanti ,  Xiaogang Chen ,  Dmitry Akhmetov

发明人： Juan Fang ,  Laurent Cariou ,  Minyoung Park ,  Dave A. Cavalcanti ,  Xiaogang Chen ,  Dmitry Akhmetov

IPC分类号： H04L5/00 ,  H04W72/04

摘要： Embodiments disclosed herein are directed to communicating time-critical ultra-low latency (ULL) data using one or more dedicated resource units (RUs). A station (STA) decodes a trigger frame received from an access point station (AP) encoded to indicate resource units (RUs) of an UL PPDU for an uplink multi-user orthogonal frequency division multiple access (UL MU OFDMA) data transmission by a first and a second station STA. The trigger frame may also be encoded to indicate configuration information for a dedicated RU for time-critical ultra-low latency (ULL) UL data. The dedicated RU may be one RU of one or more RUs of the UL PPDU that are reserved for time-critical communications. The STA may encode time-critical ULL UL data for transmission to the AP on the dedicated RU during the uplink MU OFDMA data transmission by the first and second STAs. The time-critical ULL UL data may start at any time during transmission of the UL PPDU. Medium access control layer (MAC) padding may be included in a MAC payload until the time-critical ULL UL data is available at the MAC layer of the STA.

公开(公告)号：US20220416964A1

公开(公告)日：2022-12-29

申请号：US17899958

申请日：2022-08-31

申请人： Juan Fang ,  Minyoung Park ,  Laurent Cariou ,  Qinghua Li ,  Dmitry Vadimovich Akhmetov ,  Xiaogang Chen ,  Dave A. Cavalcanti

发明人： Juan Fang ,  Minyoung Park ,  Laurent Cariou ,  Qinghua Li ,  Dmitry Vadimovich Akhmetov ,  Xiaogang Chen ,  Dave A. Cavalcanti

IPC分类号： H04L5/00

摘要： Embodiments disclosed herein are directed to communicating time-critical ultra-low latency (ULL) data. An access point station (AP) communicates time-critical ULL data using aggregated MAC Protocol Data Unit (A-MPDU) preemption. When time-critical ULL data for a second associated STA (STA2) becomes available at a medium access control (MAC) layer of the AP during transmission of a physical layer protocol data unit (PPDU) to a first associate station (STA1), the AP may encode the time-critical ULL data in a new A-MPDU subframe for insertion before one of the A-MPDU subframes of the PPDU that has not yet been transmitted. The new A-MPDU subframe may be encoded to include zero-padding to set a size of the new A-MPDU subframe equal to a size of the A-MPDU subframe that has been preempted. The A-MPDU subframes 606 for STA1 may be encoded include a MAC address of the STA1 and the new A-MPDU subframe 608 may be encoded include a MAC address of the STA2.

公开(公告)号：US20200037288A1

公开(公告)日：2020-01-30

申请号：US16537028

申请日：2019-08-09

申请人： Po-Kai Huang ,  Robert J. Stacey ,  Daniel F. Bravo ,  Laurent Cariou ,  Arik Klein ,  Danny Ben-Ari ,  Ofer Schreiber ,  Shahrnaz Azizi ,  Thomas J. Kenney ,  Alexander W. Min ,  Yaron Alpert ,  Avi Mansour ,  Dave A. Cavalcanti ,  Jing Zhu ,  Ziv Avital ,  Xiaogang Chen ,  Juan Fang

发明人： Po-Kai Huang ,  Robert J. Stacey ,  Daniel F. Bravo ,  Laurent Cariou ,  Arik Klein ,  Danny Ben-Ari ,  Ofer Schreiber ,  Shahrnaz Azizi ,  Thomas J. Kenney ,  Alexander W. Min ,  Yaron Alpert ,  Avi Mansour ,  Dave A. Cavalcanti ,  Jing Zhu ,  Ziv Avital ,  Xiaogang Chen ,  Juan Fang

IPC分类号： H04W72/00 ,  H04L29/12 ,  H04L5/00

摘要： Embodiments of a station (STA) and method of communication are generally described herein. The STA may be included in a first plurality of STAs affiliated with a first multi-link logical entity (MLLE). A plurality of links may be established between the first MLLE and a second MLLE, wherein the second MLLE may be affiliated with a second plurality of STAs. The STA may receive a first subset of a sequence of MAC protocol data units (MPDUs). A second subset of the sequence of MPDUs may be transmitted by another STA of the first plurality of STAs. The STA may transmit a block acknowledgement (BA) frame that includes: a number of BA bitmaps, configurable to values greater than or equal to one; and BA control information for each of the BA bitmaps.