公开(公告)号：US10602501B2

公开(公告)日：2020-03-24

申请号：US15957584

申请日：2018-04-19

Applicant: Intel IP Corporation

Inventor： Qinghua Li ,  Xiaogang Chen ,  Robert Stacey ,  Chittabrata Ghosh ,  Yuan Zhu ,  Rongzhen Yang

IPC: H04W72/04 ,  H04L1/00 ,  H04L5/00 ,  H04B7/0413 ,  H04W84/12

Abstract: Methods, devices and systems for jointly encoding allocation information of one or more wireless communication stations in a common portion of a physical layer header are disclosed. In some examples, a wireless device may: generate allocation information associated with one or more wireless communication stations; encode the allocation information into the common portion of the physical layer header; and transmit the physical layer header to the one or more wireless communication stations.

公开(公告)号：US10574402B2

公开(公告)日：2020-02-25

申请号：US16172025

申请日：2018-10-26

Applicant: Intel IP Corporation

Inventor： Chittabrata Ghosh ,  Yaron Alpert ,  Robert J. Stacey ,  Daniel F. Bravo

IPC: H04L1/18 ,  H04W84/12 ,  H04L1/16 ,  H04W28/06

Abstract: Embodiments of a station (STA), access point (AP) and method for aggregation of data packets are generally described herein. The AP may transmit a trigger frame (TF) to an STA that indicates an access class (AC) constraint parameter and a traffic identifier (TID) aggregation limit parameter. The STA may select a group of aggregate TIDs from which medium access control (MAC) protocol data units (MPDUs) may be aggregated into an aggregated MPDU (A-MPDU). The AC constraint parameter may indicate a recommended AC from which at least a portion of the aggregate TIDs are to be selected. The TID aggregation limit parameter may indicate a number of TIDs to be selected for the group of aggregate TIDs.

公开(公告)号：US20200029236A1

公开(公告)日：2020-01-23

申请号：US16487986

申请日：2017-09-27

Applicant: INTEL IP CORPORATION

Inventor： Jonathan Segev ,  Benny Abramovsky ,  Qinghua Li ,  Chittabrata Ghosh ,  Feng Jiang

IPC: H04W24/10 ,  H04L25/02 ,  G01S13/82 ,  H04W88/08 ,  H04W88/06 ,  H04W72/04

Abstract: Some demonstrative embodiments include apparatuses, systems and/or methods of Multi-User (MU) ranging measurement. For example, an apparatus may include circuitry and logic configured to cause a wireless station to generate a plurality of sounding sequences corresponding to a plurality of stations (STAs), the plurality of sounding sequences including at least first and second different sounding sequences, the first sounding sequence corresponding to at least one first STA of the plurality of STAs, the second sounding sequence corresponding to at least one second STA of the plurality of STAs; during a Multi-User (MU) ranging measurement, to transmit a MU frame to indicate a MU Downlink (DL) transmission; and, following the MU frame, to transmit a MU DL Null Data Packet (NDP) transmission to the plurality of STAs, the MU DL NDP transmission including a plurality of Long Training Fields (LTFs) including the plurality of sounding sequences.

公开(公告)号：US20190356410A1

公开(公告)日：2019-11-21

申请号：US16461692

申请日：2017-11-17

Applicant: Intel IP Corporation

Inventor： Yaron Alpert ,  Qinghua Li ,  Chittabrata Ghosh ,  Feng Jiang

IPC: H04L1/00 ,  H04L27/20 ,  H04L1/04 ,  H04L27/26 ,  H04W52/36 ,  H04B17/10

Abstract: Disclosed are methods, devices, and computer readable storage mediums for encoding and decoding messages for fast link adaptation. In one aspect, a method of a high efficiency (HE) station (STA) (HE STA) includes encoding an aggregated control subfield of a high throughput (HT) Control field to signal one or more of: a request to use dual carrier modulation (DCM), a request to use a particular resource unit, an uplink (UL) power headroom indication, and an indication that the HE STA is using a minimum transmit power for a current modulation and coding scheme (MCS). The method also includes configuring the HE STA to transmit a HE-PPDU including the HT control field.

公开(公告)号：US10455499B2

公开(公告)日：2019-10-22

申请号：US15913207

申请日：2018-03-06

Applicant: Intel IP Corporation

Inventor： Po-Kai Huang ,  Robert J. Stacey ,  Chittabrata Ghosh ,  Laurent Cariou ,  Qinghua Li

IPC: H04W4/00 ,  H04W52/02 ,  H04W48/20 ,  H04W74/00 ,  H04B7/0452 ,  H04L5/00 ,  H04W74/02

Abstract: Methods, computer readable media, and wireless apparatuses are disclosed. The apparatus comprising a memory and processing circuitry coupled to the memory. The processing circuitry is configured to: associate with a master station, decode a trigger frame or a multi-user request-to-send (MU-RTS) frame from the master station, where the trigger frame or the MU-RTS frame comprises a first duration and a transmitter address, and respond to the trigger frame or the MU-RTS frame if a network allocation vector (NAV) is not set, or if the NAV is set and a saved transmission opportunity (TXOP) holder address for the NAV is the same as the transmitter address of the MU-RTS or trigger frame and the trigger frame or MU-RTS indicates the station is to respond.

公开(公告)号：US10448384B2

公开(公告)日：2019-10-15

申请号：US15678818

申请日：2017-08-16

Applicant: Intel IP Corporation

Inventor： Chittabrata Ghosh ,  Shahrnaz Azizi ,  Robert J. Stacey ,  Po-Kai Huang ,  Thomas J. Kenney

IPC: H04W72/04 ,  H04W52/02 ,  H04W74/04 ,  H04W84/12 ,  H04W88/08 ,  H04W74/00

Abstract: Embodiments of a high-efficiency Wi-Fi (HEW) station, access point (AP), and method for communication in a wireless network are generally described herein. In some embodiments, the HEW AP may transmit a resource allocation message to indicate an allocation of channel resources for uplink transmissions by one or more HEW stations. The channel resources may include multiple channels, each of which may include multiple sub-channels and an extra portion of channel resources. The resource allocation message may include multiple sub-channel allocation blocks to indicate an allocation for a particular HEW station. A length of the sub-channel allocation blocks may be based on various factors, such as a number of channels included in the channel resources and a sub-carrier bandwidth.

公开(公告)号：US10440740B2

公开(公告)日：2019-10-08

申请号：US15639723

申请日：2017-06-30

Applicant: Intel IP Corporation

Inventor： Chittabrata Ghosh ,  Robert J. Stacey ,  Shahrnaz Azizi ,  Po-Kai Huang

IPC: H04W72/04 ,  H04W74/00 ,  H04W84/12 ,  H04W48/12 ,  H04W48/16 ,  H04W72/02

Abstract: Embodiments of a high-efficiency Wi-Fi (HEW) station, access point (AP), and method for random access contention in a wireless network are generally described herein. In some embodiments, the HEW station may receive a beacon frame that indicates a number of trigger frames (TFs) included in a beacon interval. The beacon frame may be received from an HEW access point (AP) in channel resources that include multiple sub-channels. The HEW station may receive a random access TF that indicates a random access portion of the sub-channels that are allocated for random access contention during an uplink transmission period. The HEW station may select a candidate sub-channel from the channel resources. When the candidate sub-channel is included in the random access portion, the HEW station may transmit an association request (AR) frame on the candidate sub-channel during the uplink transmission period.

公开(公告)号：US10389563B2

公开(公告)日：2019-08-20

申请号：US14866167

申请日：2015-09-25

Applicant: INTEL IP CORPORATION

Inventor： Xiaogang Chen ,  Qinghua Li ,  Robert Stacey ,  Yuan Zhu ,  Chittabrata Ghosh ,  Po-Kai Huang ,  Rongzhen Yang ,  Huaning Niu ,  Jeongho Jeon

IPC: H04L27/26 ,  H04B7/0452 ,  H04W28/06 ,  H04W72/04 ,  H04W72/12 ,  H04W84/12

Abstract: Systems, apparatus, and methods to provide an indication of frequency resource unit (RU) allocation from a wireless access point (AP) to one or more station devices (STA) are disclosed. The AP may be configured to generate a protocol data unit including a high efficiency wireless (HEW) preamble that indicates the RU allocation corresponding to each of the STA. The indication of the RU allocation for each of the STA, as disclosed herein, may be encoded in fewer bits than providing a bitmap of the RU allocation for each of the STA. A predetermined RU pattern may be used to map RU (e.g., 26 tone units, 52 tone units, etc.) to a RU allocation index. This RU allocation pattern may be efficiently communicated to each of the STAs in the HEW preamble of the protocol data unit.

公开(公告)号：US20190132294A1

公开(公告)日：2019-05-02

申请号：US16177703

申请日：2018-11-01

Applicant: Intel IP Corporation

Inventor： Qinghua Li ,  Jonathan Segev ,  Benny Abramovsky ,  Danny Alexander ,  Xiaogang Chen ,  Chittabrata Ghosh ,  Feng Jiang ,  Ido Ouzieli ,  Robert Stacey

IPC: H04L29/06 ,  H04L9/32 ,  H04W12/06 ,  H04W12/10 ,  G01S13/76

Abstract: The disclosure provides some embodiments for securing long training field (LTF) sequence. A responding station (RSTA) configures a location management report (LMR) frame. The LMR frame is configured to include an LMR in respect of a previous measurement, and data to be used to generate a null data packet (NDP) for a current measurement that is to be performed following the previous measurement. The RSTA further encrypts the LMR frame using protected management frames (PMF) scheme, and transmits the encrypted LMR frame to an initiating station (ISTA) for generating an LTF sequence for the current measurement. In response to receiving an NDP announcement (NDPA) and an NDP for the current measurement from the ISTA, the RSTA generates an NDP for the current measurement based on the NDPA and the data using CCMP, and transmits the NDP to the ISTA.

公开(公告)号：US10271263B2

公开(公告)日：2019-04-23

申请号：US14998213

申请日：2015-12-26

Applicant: Intel IP Corporation

Inventor： Chittabrata Ghosh ,  Carlos Cordeiro ,  Laurent Cariou

IPC: H04W40/32 ,  H04B7/0452 ,  H04L29/12

Abstract: Systems and methods for frame addressing in DL MU-MIMO transmissions are described. In some embodiments, identifier information identifying receiving devices for a frame may be included in a header of that frame. In various embodiments, the identifier information may include a concatenation of respective identifiers for each of the plurality of receiving devices. In some other embodiments, the identifiers may include information identifying a pre-defined device group including several receiving devices. In some embodiments, the frame may include a medium access control (MAC) frame transmitted by an access point/personal basic service set control point (PCP/AP), and the recipient devices may include non-AP/non-PCP stations (STAs). In some such embodiments, a receiving STA address (RA) field or transmitting STA address (TA) field in a MAC header of the MAC frame may be used as a container for the recipient identifier information.