公开(公告)号：US11784724B2

公开(公告)日：2023-10-10

申请号：US17342167

申请日：2021-06-08

Applicant: Cisco Technology, Inc.

Inventor： Matthew Aaron Silverman ,  Pooya Monajemi ,  Vishal Satyendra Desai ,  John Martin Blosco

IPC: H04B15/00 ,  H04B17/318 ,  H04B1/38

CPC classification number: H04B15/00 ,  H04B1/38 ,  H04B17/318

Abstract: An access point allocates resource units within a first channel to mitigate interference from an adjacent second channel. The access point obtains a measure of signal strength corresponding to each wireless device attached to an access point, and assigns, for each wireless device, resource units with a first frequency band of the first channel to mitigate interference with a second frequency band of a second channel adjacent to the first channel. An assignment between a set of resource units and a particular wireless device is based on the measure of signal strength corresponding to the particular wireless device. The access point communicates with the wireless devices on the resource units.

公开(公告)号：US11777699B2

公开(公告)日：2023-10-03

申请号：US17836073

申请日：2022-06-09

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Brian Hart ,  Matthew Aaron Silverman ,  Gautam D. Bhanage

IPC: H04L5/14 ,  H04W74/08 ,  H04W52/28

CPC classification number: H04L5/14 ,  H04W52/283 ,  H04W74/0816

Abstract: A wireless access point device is full-duplex capable and serves wireless communication for at least first and second wireless client devices. The wireless access point device sends to the first wireless client device a trigger frame that causes the first wireless client device to send an uplink transmission to the wireless access point after a first time interval. The wireless access point device waits a second time interval after the first wireless client is expected to begin sending the uplink transmission. The wireless access point device receives the uplink transmission from the first wireless client device. After the second time interval, and while receiving the uplink transmission from the first wireless client device, the wireless access point device sends to the second wireless client device a downlink transmission that overlaps at least partially in frequency and time with the uplink transmission from the first wireless client device.

公开(公告)号：US11683852B2

公开(公告)日：2023-06-20

申请号：US17655131

申请日：2022-03-16

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Santosh B. Kulkarni ,  Benjamin J. Cizdziel ,  Vishal S. Desai ,  Young Il Choi

IPC: H04W76/27 ,  H04W8/00 ,  H04W28/08 ,  H04W36/00 ,  H04W48/20 ,  H04W74/08 ,  H04W88/08 ,  H04B17/318

CPC classification number: H04W76/27 ,  H04W8/005 ,  H04W28/08 ,  H04W36/0094 ,  H04W48/20 ,  H04W74/085 ,  H04W88/085 ,  H04B17/318

Abstract: Techniques are disclosed for determining one or more radio resource management (RRM) input parameters. The one or more RRM input parameters are determined based on a line of sight (LOS) estimate between two wireless stations (STAs). A plurality of RRM values are generated based on the one or more RRM input parameters. A wireless connection is established between a first wireless access point (AP) and a first STA using the RRM values.

公开(公告)号：US20230180143A1

公开(公告)日：2023-06-08

申请号：US18162029

申请日：2023-01-31

Applicant: Cisco Technology, Inc.

Inventor： Vishal Satyendra Desai ,  Pooya Monajemi ,  Santosh Babaji Kulkarni ,  Young Il Choi

IPC: H04W52/24 ,  H04W36/00 ,  H04W52/34

CPC classification number: H04W52/242 ,  H04W36/0061 ,  H04W52/245 ,  H04W52/343 ,  H04W16/225

Abstract: Presented herein are techniques for using mobile client density to compensate for variations in path loss between neighboring access points. In one example, a device (e.g., wireless controller) determines one or more mobile client density variation trends in a wireless network location and determines one or more neighbor message power variation trends between at least first and second access points within the wireless network location over a time period. The device generates one or more correlation bias factors using the mobile client density variation trends and the neighbor message power variation trends over the time period. The device determines a path loss between at least the first and second access points using the correlation bias factor.

公开(公告)号：US11647524B2

公开(公告)日：2023-05-09

申请号：US17521327

申请日：2021-11-08

Applicant: Cisco Technology, Inc.

Inventor： Benjamin Jacob Cizdziel ,  Brian D. Hart ,  Pooya Monajemi ,  David Kloper

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/0453 ,  H04W72/08

CPC classification number: H04W72/048 ,  H04L5/0062 ,  H04W72/0453 ,  H04W72/085

Abstract: Bypassing radar in wide Dynamic Frequency Selection (DFS) channels utilizing puncturing may be provided. A first client device may be classified as eligible for puncturing and a second client device may be classified as not eligible for puncturing. Next, it may be determined that a subchannel in a bandwidth range should not be used. Then, in response to determining that the subchannel in the bandwidth range should not be used, the first client device may be steered to a first subset of the bandwidth range and the second client device may be steered to a second subset of the bandwidth range. The second subset of the bandwidth range may be smaller than the first subset of the bandwidth range.

公开(公告)号：US11611884B2

公开(公告)日：2023-03-21

申请号：US17155974

申请日：2021-01-22

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Benjamin Jacob Cizdziel ,  Vishal Satyendra Desai

IPC: H04W16/10 ,  H04W24/02 ,  H04B17/318 ,  H04B17/336

Abstract: Dynamic configuration of Overlapping Basic Set Service Preamble Detect (OBSS/PD) parameters for an Access Point (AP) may be provided. First, a plurality of stations within a Spatial Reuse (SR) range of the AP may be determined. Next, Signal to Interference plus Noise Ratio (SINR) calculations associated with the plurality of stations may be performed to determine an SINR impact on the plurality of stations if the AP performs an SR transmission given OBSS/PD parameters currently configured for the AP. Then, based on the SINR calculations, the OBSS/PD parameters for the AP may be dynamically adjusted.

公开(公告)号：US11569884B2

公开(公告)日：2023-01-31

申请号：US17116975

申请日：2020-12-09

Applicant: Cisco Technology, Inc.

Inventor： Arunkumar Ravichandran ,  Pooya Monajemi ,  Ardalan Alizadeh

IPC: H04L12/26 ,  H04B7/06 ,  H04W76/15 ,  H04L5/00

Abstract: Out-of-link channel sounding using an out-of-band channel sounding link for multi-link devices (MLDs) in a wireless network may be provided. An Access Point (AP) may establish a first Wireless Communication Link (WCL) with a Multi-link Device (MLD). The AP may also establish a second WCL with the MLD. After establishing the first WCL, the AP may transmit a sounding trigger to the MLD on the first WCL. After transmission of the sounding trigger to the MLD on the first WCL, AP may transmit a Channel State Information (CSI) inquiry to the MLD on the second WCL. AP may receive a channel state quantification from the MLD on the second WCL in response to the CSI inquiry.

公开(公告)号：US20230007516A1

公开(公告)日：2023-01-05

申请号：US17366363

申请日：2021-07-02

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Vishal Satyendra Desai ,  Jerome Henry

IPC: H04W24/08 ,  H04L12/26

Abstract: Automated activation of unsolicited probe responses may be provided. Probe traffic data may be received. Then, based on the probe traffic data, a plurality of probe traffic cost metrics may be determined. Each one of the plurality of probe traffic cost metrics may be respectively associated with a plurality of Unsolicited Probe Response (UPR) modes. An Access Point (AP) may then be operated in a one of the plurality of UPR modes that has a respective probe traffic cost metric that indicates a lowest probe traffic cost of the plurality of probe traffic cost metrics.

公开(公告)号：US20220303104A1

公开(公告)日：2022-09-22

申请号：US17836073

申请日：2022-06-09

Applicant: Cisco Technology, Inc.

Inventor： Pooya Monajemi ,  Brian Hart ,  Matthew Aaron Silverman ,  Gautam D. Bhanage

IPC: H04L5/14 ,  H04W74/08 ,  H04W52/28

Abstract: A wireless access point device is full-duplex capable and serves wireless communication for at least first and second wireless client devices. The wireless access point device sends to the first wireless client device a trigger frame that causes the first wireless client device to send an uplink transmission to the wireless access point after a first time interval. The wireless access point device waits a second time interval after the first wireless client is expected to begin sending the uplink transmission. The wireless access point device receives the uplink transmission from the first wireless client device. After the second time interval, and while receiving the uplink transmission from the first wireless client device, the wireless access point device sends to the second wireless client device a downlink transmission that overlaps at least partially in frequency and time with the uplink transmission from the first wireless client device.

公开(公告)号：US20220182119A1

公开(公告)日：2022-06-09

申请号：US17116975

申请日：2020-12-09

Applicant: Cisco Technology, Inc.

Inventor： Arunkumar Ravichandran ,  Pooya Monajemi ,  Ardalan Alizadeh

IPC: H04B7/06 ,  H04L5/00 ,  H04W76/15

Abstract: Out-of-link channel sounding using an out-of-band channel sounding link for multi-link devices (MLDs) in a wireless network may be provided. An Access Point (AP) may establish a first Wireless Communication Link (WCL) with a Multi-link Device (MLD). The AP may also establish a second WCL with the MLD. After establishing the first WCL, the AP may transmit a sounding trigger to the MLD on the first WCL. After transmission of the sounding trigger to the MLD on the first WCL, AP may transmit a Channel State Information (CSI) inquiry to the MLD on the second WCL. AP may receive a channel state quantification from the MLD on the second WCL in response to the CSI inquiry.