公开(公告)号：US20240349319A1

公开(公告)日：2024-10-17

申请号：US18757086

申请日：2024-06-27

申请人： Juan Fang ,  Laurent Cariou

发明人： Juan Fang ,  Laurent Cariou

IPC分类号： H04W72/512 ,  H04L5/00 ,  H04W72/566

CPC分类号： H04W72/512 ,  H04L5/0007 ,  H04W72/569

摘要： Methods, apparatuses, and computer readable media for transmission opportunity (TxOP) preemption for low latency applications, where a station (STA) comprises processing circuitry configured to: decode, from an access point (AP), a frame, wait for a preemption duration, the preemption duration less than a wait duration of the AP, and in response to a determination that a medium is idle during the preemption duration and that the STA has pending low-latency (LL) data to send to the AP, encode, for transmission to the AP after the preemption duration an indication of a preemption request (PR).

公开(公告)号：US20240048271A1

公开(公告)日：2024-02-08

申请号：US18382459

申请日：2023-10-20

申请人： Juan Fang ,  Qinghua Li ,  Robert J. Stacey

发明人： Juan Fang ,  Qinghua Li ,  Robert J. Stacey

IPC分类号： H04L1/00 ,  H04L5/00

CPC分类号： H04L1/0057 ,  H04L5/0007 ,  H04L1/0068

摘要： An apparatus and method of encoding Low-Density Parity Check (LDPC) Physical Layer Convergence Protocol (PLCP) packet protocol data units (PPDU) is disclosed. For LDPC codeword of lengths 3888 and/or 7776, the number and length of codewords to use may depend on the number of available bits. In this case, if the number of available bits is larger than 1944 and less than 2596, two codewords of length 1944 or a single codeword of length 3888 to encode the PPDU is used to encode the PPDU. For larger numbers of available bits, one or more codewords of length 3888 or 7776 is used to encode the PPDU. Shortening and/or puncturing, when used, is also based on the number of available bits.

公开(公告)号：US20230061407A1

公开(公告)日：2023-03-02

申请号：US17983793

申请日：2022-11-09

申请人： Juan Fang ,  Minyoung Park

发明人： Juan Fang ,  Minyoung Park

IPC分类号： H04W72/04

摘要： An access point station (AP) configured for wideband channel operation may communicate with non-access point stations (STAs) over channel bandwidths that include one or more primary channels. For channel bandwidths that include more than one primary channel, the AP may communicate with the STAs within those channel bandwidths even though the NAV of one of the primary channels within the channel bandwidth has not expired. In these embodiments, the AP does not need to wait for the NAV of a primary channel to expire to transmit a wideband transmission when another primary channel is the channel bandwidth is available.

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：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：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

IPC分类号： H04W72/04 ,  H04W76/15

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.

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：US20200213160A1

公开(公告)日：2020-07-02

申请号：US16794911

申请日：2020-02-19

申请人： Roya Doostnejad ,  Juan Fang ,  Feng Jiang ,  Laurent Cariou ,  Dave Cavalcanti ,  Xiaogang Chen ,  Timothy F. Cox ,  Jeffrey Foester ,  Po-Kai Huang ,  Qinghua Li ,  Javier Perez-Ramirez

发明人： Roya Doostnejad ,  Juan Fang ,  Feng Jiang ,  Laurent Cariou ,  Dave Cavalcanti ,  Xiaogang Chen ,  Timothy F. Cox ,  Jeffrey Foester ,  Po-Kai Huang ,  Qinghua Li ,  Javier Perez-Ramirez

IPC分类号： H04L25/02

摘要： This disclosure describes systems, methods, and devices related to multi-user uplink channel sounding. A device may determine a channel sounding sequence with one or more access points (APs), wherein the channel sounding sequence comprises a null data packet announcement (NDPA) communicated with at least one of the one or more APs. The device may determine a first group of station devices (STAs) associated with a first basic service set (BSS). The device may cause to send a trigger frame to the first group of STAs to solicit an uplink NDP from each STA of the first group of STAs. The device may identify a first uplink NDP received from a first STA of the first group of STAs. The device may identify a second uplink NDP received from a second STA of a second group of STAs.

公开(公告)号：US20230300696A1

公开(公告)日：2023-09-21

申请号：US18203257

申请日：2023-05-30

申请人： Juan Fang ,  Po-Kai Huang ,  Qinghua Li ,  Robert J. Stacey

发明人： Juan Fang ,  Po-Kai Huang ,  Qinghua Li ,  Robert J. Stacey

IPC分类号： H04W36/06 ,  H04W74/08 ,  H04W72/1273 ,  H04W72/0453 ,  H04W72/1268

CPC分类号： H04W36/06 ,  H04W74/0816 ,  H04W72/1273 ,  H04W72/0453 ,  H04W72/1268

摘要： An access-point station (AP) configured for communicating multi-user (MU) physical layer protocol data units (PPDUs) (MU-PPDUs) with plurality of non-AP stations (STAs) using dynamic channel switching may acquire a transmission opportunity (TXOP) on a channel comprising a primary channel and one or more non-primary channels. The AP may encode a channel switching indication frame that may request that at least some of the STAs temporarily switch from operating on the primary channel to operating on one of the non-primary channels. The AP may decode a response frame from each of the STAs that are indicated to switch. Each response frame may be received on the non-primary channel that an indicated STA is requested to switch to. For a downlink (DL) transmission, the AP may encode a DL MU-PPDU comprised of a plurality of PPDUs of different physical layer (PHY) types including at least a first PPDU for transmission on the primary channel to a first STA that had not been instructed to switch to a non-primary channel, and at least a second PPDU for transmission on one of the non-primary channels to a second STA that had been instructed to switch to one of the non-primary channels.

公开(公告)号：US20230209602A1

公开(公告)日：2023-06-29

申请号：US18117236

申请日：2023-03-03

申请人： Gil Meyuhas ,  Juan Fang ,  Qinghua Li ,  Po- Kai Huang ,  Robert J. Stacey ,  Linlin Hou ,  Rony Ross

发明人： Gil Meyuhas ,  Juan Fang ,  Qinghua Li ,  Po- Kai Huang ,  Robert J. Stacey ,  Linlin Hou ,  Rony Ross

IPC分类号： H04W74/08 ,  H04L5/00

CPC分类号： H04W74/0816 ,  H04L5/0053

摘要： Methods, apparatuses, and computer readable media for clear-to-send duration field adjustments are disclosed. Apparatuses of a station (STA) are disclosed, where the apparatuses comprise processing circuitry configured to: decode a physical layer protocol data unit (PPDU), the PPDU including a request to send (RTS) frame, the RTS frame comprising an address of the STA and a first duration field, the first duration field indicating a first duration. The processing circuitry is further configured to: setting a second duration to a duration that ends before a transmission and encoding for transmission a clear-to-send (CTS) frame, the CTS frame comprising a second duration field, the second duration field indicating the reduced second duration.