公开(公告)号：US20180019792A1

公开(公告)日：2018-01-18

申请号：US15394029

申请日：2016-12-29

Applicant: Intel IP Corporation

Inventor： Ou Yang ,  Oren Kedem ,  Solomon Trainin ,  Chittabrata Ghosh ,  Carlos Cordeiro ,  Laurent Cariou

IPC: H04W72/04

CPC classification number: H04B7/0452 ,  H04L1/1628 ,  H04L1/1664 ,  H04L1/1685 ,  H04W72/042 ,  H04W72/0446 ,  H04W74/0816 ,  H04W84/12

Abstract: This disclosure describes systems, methods, and devices related to reverse direction multi-user multiple input multiple output (MU-MIMO). A device may determine a reverse direction indication to be included in a frame for transmission to one or more first devices in a MU-MIMO communication. The device may cause to wirelessly transmit the frame to a first device of the one or more first devices. The device may identify an acknowledgment frame from the at least one of the first devices based at least in part on the reverse direction indication

公开(公告)号：US20170347349A1

公开(公告)日：2017-11-30

申请号：US15457653

申请日：2017-03-13

Applicant: INTEL IP CORPORATION

Inventor： Chittabrata Ghosh ,  Carlos Cordeiro

IPC: H04W72/04 ,  H04B7/0452 ,  H04W84/12 ,  H04B7/0413 ,  H04W72/00 ,  H04L29/06

CPC classification number: H04W72/046 ,  H04B7/0413 ,  H04B7/0452 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0039 ,  H04L5/0094 ,  H04L29/0653 ,  H04W72/005 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/048 ,  H04W84/12

Abstract: Techniques for group-based spatial stream assignment signaling in 60 GHz wireless networks are described. According to various such techniques, a 60 GHz-capable transmitting device may be configured to define one or more DL MU-MIMO groups, each of which may comprise one or more respective 60 GHz-capable receiving devices. In various embodiments, the 60 GHz-capable transmitting device may include a DL MU-MIMO group ID within DL MU-MIMO control information in a PHY header of a PPDU in order to indicate that the PPDU is directed to a DL MU-MIMO group corresponding to that DL MU-MIMO group ID. In some embodiments, DL MU-MIMO control information may comprise information specifying spatial stream assignments for the 60 GHz-capable receiving devices of that DL MU-MIMO group. Other embodiments are described and claimed.

公开(公告)号：US09756626B2

公开(公告)日：2017-09-05

申请号：US14669101

申请日：2015-03-26

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

CPC classification number: H04W72/042 ,  H04W52/0209 ,  H04W72/0446 ,  H04W74/006 ,  H04W74/04 ,  H04W84/12 ,  H04W88/08 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/26

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：US20170195026A1

公开(公告)日：2017-07-06

申请号：US15200952

申请日：2016-07-01

Applicant: INTEL IP CORPORATION

Inventor： Chittabrata Ghosh ,  Ilan Sutskover

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04L1/1685 ,  H04B7/0452 ,  H04B7/0617 ,  H04L1/0026 ,  H04W24/10

Abstract: A device is disclosed comprising: at least one memory that stores computer-executable instructions; and at least one processor of the one or more processors configured to access the at least one memory, wherein the at least one processor of the one or more processors is configured to execute the computer-executable instructions to: cause to send an announcement frame to at least one first device, wherein the announcement frame indicates the device capable of beamforming a single user (SU) device; cause to send a trigger frame to the at least one first device; determine a first report frame received from the at least one first device, wherein the report frame includes a first indication the at least one first device is a first SU device; and determine, based at least in part on the first report frame, to perform SU beamforming with the at least one first device.

公开(公告)号：US09699807B2

公开(公告)日：2017-07-04

申请号：US14671174

申请日：2015-03-27

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

CPC classification number: H04W74/004 ,  H04W48/12 ,  H04W48/16 ,  H04W72/02 ,  H04W72/0446 ,  H04W84/12

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：US20170188242A1

公开(公告)日：2017-06-29

申请号：US14757628

申请日：2015-12-23

Applicant: Intel IP Corporation

Inventor： Chittabrata Ghosh ,  Jeonghun Park

IPC: H04W16/18 ,  H04W24/08

CPC classification number: H04W24/08 ,  H04W8/005 ,  H04W84/02

Abstract: The disclosure generally relates to a method, apparatus and system to provide clustering devices associated with a group of so-called Internet of Things (IoT) devices so as to accurately associate multiple devices with a device user. In one embodiment of the disclosure IoT devices transmit cluster identifier requests which are received at one or more Access Points (APs). An AP determines whether to group different IoTs in the same cluster as a function of the received signal power from each IoT. If IoTs are determined to be clustered together, the AP sends a cluster identifier with a time stamp to each IoT in the group. The process is repeated so as to continually identify the IoTs that are proximate enough to be clustered together.

公开(公告)号：US20170187435A1

公开(公告)日：2017-06-29

申请号：US14757725

申请日：2015-12-23

Applicant: Intel IP Corporation

Inventor： Laurent Cariou ,  Carlos Cordeiro ,  Assaf Kasher ,  Solomon Trainin ,  Chittabrata Ghosh

IPC: H04B7/04 ,  H04W74/00

CPC classification number: H04B7/0452 ,  H04W74/008 ,  H04W74/0816

Abstract: Methods, apparatus, systems and articles of manufacture (e.g., physical storage media) to initiate and protect multi-user multiple input multiple output (MU-MIMO) transmissions in communication networks are disclosed. Example MU-MIMO communication methods disclosed herein include preparing a MU-MIMO setup frame specifying duration information for a subsequent MU-MIMO frame to be transmitted and a group of stations to receive the subsequent MU-MIMO frame. Disclosed example MU-MIMO communication methods also include transmitting the MU-MIMO setup frame, and after the transmitting of the MU-MIMO setup frame, transmitting the MU-MIMO frame.