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公开(公告)号：US20200018814A1
公开(公告)日：2020-01-16
申请号：US16586560
申请日：2019-09-27
申请人： Javier Perez-Ramirez , David Israel Gonzalez Aguirre , Javier Felip Leon , Mikhail T. Galeev , Dave A. Cavalcanti
发明人： Javier Perez-Ramirez , David Israel Gonzalez Aguirre , Javier Felip Leon , Mikhail T. Galeev , Dave A. Cavalcanti
IPC分类号： G01S5/02 , H04B17/318 , G06T15/06
摘要： Systems and techniques for locating a radio transmission source by scene reconstruction are described herein. A multipath radio signal—comprised of two or more multipath components—may be received at an antenna array. A collection of angle-of-arrival (AoA) values may be created from the multipath components. Thus, each AoA in the collection corresponds to one of the multipath components. An optical image of the environment may be obtained and possible reflective surfaces for the multipath components identified in the optical image. A set of paths may be created in a model of the environment by backtracking from the antenna array along the AoAs in the collection of AoA values. Here, the backtracking simulates reflections of the ray off of the surfaces identified in the optical image. A transmitter of the multipath radio signal may then be located via the set of paths.
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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.
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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
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.
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公开(公告)号：US20220116993A1
公开(公告)日：2022-04-14
申请号：US17556393
申请日：2021-12-20
IPC分类号： H04W74/08
摘要： Methods, apparatuses, and computer readable media for trigger frames or transmission opportunities with delayed uplink start are disclosed. Apparatuses of a station (STA) are disclosed, where the apparatuses comprise processing circuitry configured to decode a trigger frame, the trigger frame indicating that delayed transmission is permitted, indicating a length of a simultaneous uplink (UL) transmission, and indicating a resource unit (RU) for the uplink transmission to an access point (AP), encode a delayed UL trigger-based (TB) physical (PHY) protocol data unit (PPDU), and configure the STA to transmit the delayed UL TB PPDU on the RU after receiving the trigger frame, where data of the UL TB PPDU is delayed. from being transmitted during the simultaneous UI transmission,
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5.发明申请公开(公告)号：US20230031225A1
公开(公告)日：2023-02-02
申请号：US17957001
申请日：2022-09-30
摘要： In one example, a transmitter wireless communication device may be configured to encode k data packets into n encoded packets according to a Network Coding (NC) scheme, wherein k is equal to or greater than two, and wherein n is greater than k. For example, the transmitter wireless communication device may be configured to transmit k encoded packets of the n encoded packets during a plurality of transmission slots within a Synchronized Transmit Opportunity (S-TxOP), e.g., by transmitting one or more encoded packets of the k encoded packets during a transmission slot of the plurality of transmission slots. For example, the transmitter wireless communication device may be configured to transmit m other encoded packets of the n encoded packets during one or more subsequent transmission slots within the S-TxOP, for example, based on a determination that m packets of the k encoded packets have not been successfully received.
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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.
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7.发明申请公开(公告)号：US20230035698A1
公开(公告)日：2023-02-02
申请号：US17956958
申请日：2022-09-30
摘要： In one example, a transmitter wireless communication device may be configured to encode k data packets into n encoded packets according to a Network Coding (NC) scheme, wherein k is equal to or greater than two, and wherein n is greater than k. For example, the transmitter wireless communication device may be configured to transmit the n encoded packets over a plurality of wireless communication resources, for example, by transmitting at least one first encoded packet over a first wireless communication resource and transmitting at least one second encoded packet over a second wireless communication resource. For example, a receiver wireless communication device may be configured to determine the k data packets, for example, by decoding at least k received encoded packets out of the n encoded packets according to the NC scheme.
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公开(公告)号：US20210120552A1
公开(公告)日：2021-04-22
申请号：US17134018
申请日：2020-12-24
申请人： Juan Fang , Dave Cavalcanti , Laurent Cariou , Dibakar Das , Mikhail Galeev , Wey-Yi Guy , Javier Perez-Ramirez , Susruth Sudhakaran , Jing Zhu
发明人： Juan Fang , Dave Cavalcanti , Laurent Cariou , Dibakar Das , Mikhail Galeev , Wey-Yi Guy , Javier Perez-Ramirez , Susruth Sudhakaran , Jing Zhu
摘要： This disclosure describes systems, methods, and devices related to wireless time sensitive networking. A device may identify, using an 802.3 protocol stack, an 802.3 frame received from a second device using a wired Ethernet connection, and extract, using the 802.3 protocol stack, a redundancy tag from the 802.3 frame, the redundancy tag including a sequence number. The device may generate, using an 802.11 protocol stack, an 802.11 frame with a subnetwork access protocol (SNAP) field, the SNAP field including an organizationally unique identifier (OUI) and the sequence number, the OUT including an indication of an Ethertype protocol. The device may send the 802.11 frame using a wireless connection.
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9.发明申请公开(公告)号：US20220338147A1
公开(公告)日：2022-10-20
申请号：US17854271
申请日：2022-06-30
摘要： For example, an apparatus may be configured to cause an Access Point (AP) to transmit a frame over a wireless communication channel, the frame including a field according to a first Physical layer Protocol Data Unit (PPDU) version decodable by a wireless communication (STA) of a first STA type, the field configured to indicate to the STA of the first STA type that the wireless communication channel is to be reserved for a reserved duration; and to communicate a low-overhead PPDU with a STA of a second STA type over the wireless communication channel during a Synchronized Transmit Opportunity (S-TxOP), wherein the S-TxOP is within the reserved duration, wherein the low-overhead PPDU is configured according to a second PPDU version decodable by the STA of the second STA type, the low overhead PPDU including a low-overhead preamble excluding one or more preamble fields of the first PPDU version.
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10.发明申请PROCESS FOR THE PRODUCTION OF CHLORINE USING A CERIUM OXIDE CATALYST IN AN ADIABATIC REACTION CASCADE 审中-公开在氧化反应中使用氧化铈催化剂生产氯化物的方法公开(公告)号：US20140205533A1
公开(公告)日：2014-07-24
申请号：US14130569
申请日：2012-07-02
申请人： Timm Schmidt , Aurel Wolf , Oliver Felix-Karl Schlüter , Thomas Westermann , Cecilia Mondelli , Javier Perez-Ramirez , Hary Soerijanto , Reinhard Schomäcker , Detre Teschner , Robert Schlögl
发明人： Timm Schmidt , Aurel Wolf , Oliver Felix-Karl Schlüter , Thomas Westermann , Cecilia Mondelli , Javier Perez-Ramirez , Hary Soerijanto , Reinhard Schomäcker , Detre Teschner , Robert Schlögl
IPC分类号： C01B7/01
CPC分类号： C01B7/0743 , B01J7/00 , B01J19/245 , B01J21/04 , B01J23/10 , B01J23/63 , B01J35/0006 , B01J35/002 , B01J35/02 , B01J35/1014 , B01J37/0201 , B01J2219/00087 , C01B7/01 , C01B7/04
摘要： A process for the production of chlorine by thermo-catalytic gas phase oxidation of hydrogen chloride and oxygen is described, the process comprising at least (1) a cerium oxide catalyst and (2) an adiabatic reaction cascade, containing at least two adiabatic stages connected in series with intermediate cooling, wherein the molar O2/HCl-ratio is equal or above 0.75 in any part of the cerium oxide catalyst beds.
摘要翻译： 描述了通过氯化氢和氧气的热催化气相氧化生产氯的方法，该方法包括至少（1）氧化铈催化剂和（2）绝热反应级联，其包含至少两个连接的绝热级 与中间冷却串联，其中在氧化铈催化剂床的任何部分中，O 2 / HCl摩尔比的摩尔数等于或大于0.75。
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