公开(公告)号：US11128505B2

公开(公告)日：2021-09-21

申请号：US16783666

申请日：2020-02-06

Applicant: Intel Corporation ,  Intel IP Corporation

Inventor： Xiaogang Chen ,  Thomas J. Kenney ,  Shahrnaz Azizi ,  Robert J. Stacey ,  Laurent Cariou ,  Qinghua Li ,  Feng Jiang

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04W84/12

Abstract: Methods, apparatuses, and computer readable media include an apparatus of an access point (AP) or station (STA) comprising processing circuitry configured to decode a legacy preamble of a physical layer (PHY) protocol data unit (PPDU), determine whether the legacy preamble comprises an indication that the PPDU is an extremely-high throughput (EHT) PPDU, and in response to the determination indicating the PPDU is the EHT PPDU, decode the EHT PPDU. Some embodiments determine a spatial stream resource allocation based on a row of a spatial configuration table, a row of a frequency resource unit table, a number of stations, and location of the station relative to the number of stations in user fields of an EHT-signal (SIG) field. To accommodate 16 spatial streams, some embodiments extend the length of the packet extension field, extend signaling of a number of spatial streams, and/or extend a number of EHT-SIG symbols.

公开(公告)号：US10986594B2

公开(公告)日：2021-04-20

申请号：US16178168

申请日：2018-11-01

Applicant: Intel IP Corporation

Inventor： Po-Kai Huang ,  Robert J. Stacey ,  Qinghua Li

IPC: H04W56/00 ,  H04W74/00 ,  H04L29/08 ,  H04W84/12 ,  H04L27/26 ,  H04B7/0452 ,  H04W72/12 ,  H04W74/08

Abstract: Methods, computer readable media, and wireless apparatuses are disclosed for a TXOP duration field. An apparatus is disclosed comprising processing circuitry configured to: encode a first high efficiency (HE) physical-layer convergence procedure (PLCP) protocol data unit (PPDU) comprising a transmission opportunity (TXOP) duration field in a first physical-layer portion of the first HE PPDU. The processing circuitry may be further configured to set the TXOP duration field value to indicate a largest duration value representable by the TXOP duration field that is equal to or less than a duration value indicated by the first MAC duration field, if the first HE PPDU is to include a first media access control (MAC) duration field in a first MAC-layer portion of the first HE PPUU.

公开(公告)号：US10834755B2

公开(公告)日：2020-11-10

申请号：US16322088

申请日：2017-09-29

Applicant: Intel IP Corporation

Inventor： Xiaogang Chen ,  Qinghua Li ,  Laurent Cariou ,  Feng Jiang

IPC: H04B7/06 ,  H04J11/00 ,  H04L5/00 ,  H04L5/02 ,  H04L27/00 ,  H04L27/20 ,  H04L27/26 ,  H04W72/04 ,  H04W74/00 ,  H04W74/06 ,  H04W84/12 ,  H04W88/02 ,  H04W88/08 ,  H04W92/10

Abstract: Apparatuses, computer readable media, and methods for physical layer short feedback. An apparatus of a high efficiency (HE) station is disclosed. The apparatus comprising circuitry configured to: decode a trigger frame for short feedback, the trigger frame comprising an indication of a resource unit (RU) to respond to a short feedback request, where the RU comprises one or more tones and one or more symbols. The circuitry may be further configured to encode a short feedback response to the short feedback request on the RU, where each of the one or more tones of the RU is to be encoded with one or more of: a positive signal, a negative signal, and no signal. The circuitry may be further configured to configure the HE station to transmit the short feedback response to an access point in accordance with orthogonal frequency division multiple access (OFDMA) using resources of the RU.

公开(公告)号：US10686628B2

公开(公告)日：2020-06-16

申请号：US15719392

申请日：2017-09-28

Applicant: Intel IP Corporation

Inventor： Yuval Amizur ,  Chittabrata Ghosh ,  Jonathan Segev ,  Feng Jiang ,  Qinghua Li ,  Nir Dvorecki ,  Robert J. Stacey

IPC: H04L25/02 ,  H04W24/10 ,  H04B1/00 ,  H04L27/00 ,  H04W88/02 ,  H04W84/12 ,  H04W88/08 ,  H04L27/26

Abstract: Embodiments of an access point (AP), station (STA) and method of sounding are generally described herein. The AP may transmit, during a transmission opportunity (TXOP), a trigger frame (TF) to indicate that an STA is to transmit an uplink sounding packet during an uplink sounding period of the TXOP. The AP may attempt to detect the uplink sounding packet during the uplink sounding period. If the uplink sounding packet is not detected during the uplink sounding period, the AP may transmit a recovery packet to cause other STAs to determine a busy condition during the uplink sounding period. If the uplink sounding packet is detected during the uplink sounding period, the AP may determine a channel estimate for the STA based at least partly on the uplink sounding packet.

公开(公告)号：US20200014564A1

公开(公告)日：2020-01-09

申请号：US16513385

申请日：2019-07-16

Applicant: Intel IP Corporation

Inventor： Qinghua Li ,  Chittabrata Ghosh ,  Robert J. Stacey ,  Xiaogang Chen ,  Po-Kai Huang

IPC: H04L25/02 ,  H04W52/14 ,  H04L5/00 ,  H04W52/24 ,  H04W72/08

Abstract: Computing readable media, apparatuses, and methods for signaling for uplink sounding are disclosed. An apparatus is disclosed comprising processing circuitry. The processing circuitry may be configured to: decode a trigger frame comprising a resource unit (RU) allocation, and a spatial stream (SS) allocation for the first wireless device to transmit an uplink (UL) sounding signal, where the trigger frame include an indication that the trigger frame is for the UL sounding signal. The processing circuitry may be further configured to: determine a path loss based on the indication of the transmit power and a received power of the trigger frame at the first wireless device. The processing circuitry may be configured to: determine a transmit power for the UL sounding signal based on the path loss; and transmit the UL sounding signal in accordance with the RU allocation, the SS allocation, and the transmit power.

公开(公告)号：US10524203B2

公开(公告)日：2019-12-31

申请号：US15988390

申请日：2018-05-24

Applicant: Intel IP Corporation

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

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

Abstract: Methods, computer readable media, and wireless apparatuses are disclosed. The apparatuses including processing circuitry configured to: associate with a master station, decode a frame, where the frame comprises a first duration and a transmitter address and determine that the frame is an intra basic service set (Intra-BSS), an inter (Inter-BSS), or an unclassified frame, where the unclassified frame is the Intra-BSS frame or the Inter-BSS frame. The processing circuitry may be further configured to set an Intra-BSS network allocation vector (NAV) to the first duration if the first duration is longer than a current duration of the Intra-BSS NAV and the frame is determined to be the intra-BSS frame and set the second NAV to the first duration if the first duration is longer than a current duration of the second NAV and the frame is determined to be the inter-BSS frame or the unclassified frame.

公开(公告)号：US10511372B2

公开(公告)日：2019-12-17

申请号：US16077018

申请日：2016-06-29

Applicant: INTEL IP CORPORATION

Inventor： Wenting Chang ,  Gang Xiong ,  Yuan Zhu ,  Yushu Zhang ,  Qinghua Li

IPC: H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04W24/10 ,  H04W48/12 ,  H04B7/0456

Abstract: An apparatus of a user equipment (UE) may include a memory and one or more processors operatively coupled to the memory device. The processors determine a reporting mode for the UE based on a message received at the UE from an eNodeB. The UE may generate a channel state information (CSI) reporting message based on the determined reporting mode. The processors may also encode extra-large physical uplink control channel (xPUCCH) data including the CSI reporting message.

公开(公告)号：US10405273B2

公开(公告)日：2019-09-03

申请号：US15915950

申请日：2018-03-08

Applicant: Intel IP Corporation

Inventor： Xiaogang Chen ,  Qinghua Li ,  Assaf Gurevitz ,  Tzahi Weisman

IPC: H04W52/00 ,  H04W52/02 ,  H04L5/00 ,  H04W52/34 ,  H04W84/12

Abstract: Embodiments of an access point (AP), station (STA) and method for subcarrier scaling are generally described herein. The AP may transmit a high efficiency (HE) physical layer convergence procedure (PLCP) protocol data unit (PPDU) that includes a legacy long training field (L-LTF), a legacy signal (L-SIG) field, and an HE signal (HE-SIG) field. The HE-SIG may be based on HE-SIG symbols mapped to a group of HE subcarriers that includes legacy subcarriers and HE extension subcarriers. The L-LTF may be based on L-LTF pilot symbols mapped to the legacy subcarriers. The L-SIG may be based on L-SIG legacy symbols mapped to the legacy subcarriers and L-SIG extension pilot symbols mapped to the HE extension subcarriers. The AP may scale a per-subcarrier power of the L-SIG extension pilot symbols to match a per-subcarrier power of the L-LTF pilot symbols.

公开(公告)号：US20190190752A1

公开(公告)日：2019-06-20

申请号：US16322088

申请日：2017-09-29

Applicant: Intel IP Corporation

Inventor： Xiaogang Chen ,  Qinghua Li ,  Laurent Cariou ,  Feng Jiang

IPC: H04L27/20 ,  H04L5/02 ,  H04L27/00 ,  H04L27/26 ,  H04B7/06

Abstract: Apparatuses, computer readable media, and methods for physical layer short feedback. An apparatus of a high efficiency (HE) station is disclosed. The apparatus comprising circuitry configured to: decode a trigger frame for short feedback, the trigger frame comprising an indication of a resource unit (RU) to respond to a short feedback request, where the RU comprises one or more tones and one or more symbols. The circuitry may be further configured to encode a short feedback response to the short feedback request on the RU, where each of the one or more tones of the RU is to be encoded with one or more of: a positive signal, a negative signal, and no signal. The circuitry may be further configured to configure the HE station to transmit the short feedback response to an access point in accordance with orthogonal frequency division multiple access (OFDMA) using resources of the RU.

公开(公告)号：US10271252B2

公开(公告)日：2019-04-23

申请号：US15508331

申请日：2015-06-24

Applicant: Intel IP Corporation

Inventor： Hyejung Jung ,  Candy Yiu ,  Qinghua Li ,  Pingping Zong ,  Youn Hyoung Heo ,  Yujian Zhang ,  Mo-Han Fong ,  Abhijeet Bhorkar

IPC: H04W36/04 ,  H04W48/20 ,  H04W48/12 ,  H04W36/00 ,  H04W36/02 ,  H04W16/32

Abstract: A User Equipment (UE) device operates to directly determine a target small cell for access or handover with the assistance of a macro cell network. The UE directly generates the connection and selects which small cell to access from among a subset of small cells chosen of a set of candidate small cells. The UE is provided dedicated assistance information from the evolved node B (eNB) or macro network device. The dedicated assistance information enables the UE to measure data from the candidate small cells within a heterogeneous network environment. The UE shares the measured data and connects directly to the selected small cell for an access or handover operation.