公开(公告)号：US12155465B2

公开(公告)日：2024-11-26

申请号：US17497847

申请日：2021-10-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pavankumar Veerashetty ,  Wook Bong Lee ,  Ashok Ranganath ,  Ravi Gidvani ,  Shailender Karmuchi ,  Srinivas Kandala

IPC: H04L1/00 ,  H04B7/06

Abstract: A system and method for downlink feedback in communications between a station and an access point. In some embodiments, the method includes: receiving, from the access point, by the station, a null data packet announcement (NDPA) including a first number of spatial streams, and sending, by the station, to the access point, a Compressed Beamforming Report (CBR) including a second number of spatial streams, different from the first number of spatial streams; or sending, by the station, to the access point, an Operating Mode Indication (OMI) declaring a change in a station Modulation Coding Scheme (MCS) capability for a third number of spatial streams; or sending, by the station, to the access point, an Association Request including a declared Single-User (SU) MCS capability for a first bandwidth and a declared Multi-User (MU) MCS capability for the first bandwidth, the MU MCS capability being different from the SU MCS capability.

公开(公告)号：US12016045B2

公开(公告)日：2024-06-18

申请号：US17735808

申请日：2022-05-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sharan Naribole ,  Srinivas Kandala ,  Wook Bong Lee ,  Ashok Ranganath

IPC: H04W72/50 ,  H04W24/08

CPC classification number: H04W72/535 ,  H04W24/08

Abstract: A method of providing multi-link operation channel access in a multi-link network includes initiating a first backoff countdown and a second backoff countdown associated with a first link and a second link of the multi-link network, respectively, and in response to the first backoff countdown reaching zero, determining whether the second backoff countdown is less than or equal to an aggregation threshold, and in response to determining that the second backoff countdown is less than or equal to the aggregation threshold, transmitting a first frame and a second frame on the first and second links.

公开(公告)号：US11985689B2

公开(公告)日：2024-05-14

申请号：US17188060

申请日：2021-03-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myeongjin Kim ,  Wook Bong Lee

IPC: H04W72/53 ,  H04W72/0453 ,  H04W72/23 ,  H04W84/12

CPC classification number: H04W72/53 ,  H04W72/0453 ,  H04W72/23 ,  H04W84/12

Abstract: An apparatus and a method for allocating a multiple resource unit (RU) for a user in a wireless local area network (WLAN) system are provided. A transmission device of the WLAN system includes a transceiver that generates a physical layer convergence protocol (PLCP) protocol data unit (PPDU) including a preamble and a payload and transmitting the generated PPDU to at least one receiving device and a processor controlling the transceiver. The preamble includes a plurality of training fields and a plurality of signaling fields. Resource unit (RU) allocation information on the at least one receiving device is included in one of the plurality of signaling fields. The RU allocation information includes a first subfield indicating an arrangement of RUs in a frequency domain corresponding to the PPDU and a second subfield indicating a portion of the RUs to be combined to form a multiple RU.

公开(公告)号：US11792835B2

公开(公告)日：2023-10-17

申请号：US17120049

申请日：2020-12-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ruchen Duan ,  Mostafa Sayed Roshdy Ibrahim ,  Wook Bong Lee ,  Srinivas Kandala ,  Ashok Ranganath

IPC: H04L5/00 ,  H04W72/542 ,  H04W72/21

CPC classification number: H04W72/542 ,  H04L5/0055 ,  H04W72/21

Abstract: Systems and methods for providing feedback regarding a wireless communication channel is disclosed. A responding processor is configured to estimate condition of the wireless communication channel and generate a data field. The data field includes a communication parameter based on the estimated condition of the wireless communication channel. The data field is attached to a control frame, and the control frame is transmitted with the attached data field. A transmitting processor is configured to receive the control frame, and determine whether the control frame includes the data field. The transmitting processor retrieves the data field from the control frame, and selects, based on the communication parameter in the data field, a transmit parameter for transmitting data over the wireless communication channel.

公开(公告)号：US20210345267A1

公开(公告)日：2021-11-04

申请号：US17373379

申请日：2021-07-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ravi Gidvani ,  Ashok Ranganath ,  Wook Bong Lee ,  Sharan Naribole ,  Shailender Karmuchi

IPC: H04W56/00

Abstract: A method for providing a mode of wireless local area network (WLAN) operation is disclosed. The method includes: sending an association request from a wireless station (STA) over a discovery channel; receiving an association response at the STA over the discovery channel in response to the association request; and associating the STA to provide a multi-user (MU) enhanced distributed channel access (EDCA) mode using a scheduled access channel.

公开(公告)号：US11102740B2

公开(公告)日：2021-08-24

申请号：US16530902

申请日：2019-08-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ravi Gidvani ,  Ashok Ranganath ,  Wook Bong Lee ,  Sharan Naribole ,  Shailender Karmuchi

IPC: H04W56/00 ,  H04W84/12

Abstract: A method for providing a mode of wireless local area network (WLAN) operation includes: sending beacons from an access point (AP) in a discovery channel; sending an association request from a wireless station (STA) to the AP over the discovery channel; receiving an association response from the AP at the STA over the discovery channel in response to the association request; and after associating with the AP, switching between the discovery channel and a scheduled access channel to provide wireless communication between the AP and the STA based on a traffic condition and a bandwidth requirement.

公开(公告)号：US11070270B2

公开(公告)日：2021-07-20

申请号：US16984408

申请日：2020-08-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wook Bong Lee ,  Minyoung Park ,  Tianyu Wu

IPC: H04B7/06 ,  H04B7/0426

Abstract: An apparatus for a beamformee and a method are provided. The apparatus includes a first beamforming matrix device configured to generate a first beamforming matrix VWB from a channel H; an equivalent channel device configured to generate an equivalent channel {tilde over (H)}k based on the channel H and the first beamforming matrix VWB, where k is a number that indicates a subcarrier index; and a second beamforming matrix device configured to obtain a second beamforming matrix VSC from the equivalent channel {tilde over (H)}k.

公开(公告)号：US20200374032A1

公开(公告)日：2020-11-26

申请号：US16991987

申请日：2020-08-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wook Bong Lee ,  Moumita Ray ,  Ruchen Duan

IPC: H04L1/00 ,  H04L5/00 ,  H04B17/336 ,  H04L1/20

Abstract: A method for operating a link method includes estimating a plurality of throughputs, each throughput corresponding to one of a plurality of modulation and coding schemes, each one of the plurality of modulation and coding schemes corresponding to one of a plurality of combinations of spatial stream numbers and bandwidths, selecting a maximum throughput from the plurality of throughputs, and transmitting data according to a modulation and coding scheme, a spatial stream number, and a bandwidth corresponding to the maximum throughput.

公开(公告)号：US10771139B2

公开(公告)日：2020-09-08

申请号：US16404281

申请日：2019-05-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wook Bong Lee ,  Minyoung Park ,  Tianyu Wu

IPC: H04B7/06 ,  H04B7/0426

Abstract: An apparatus for a beamformee and a method are provided. The apparatus includes a first beamforming matrix device configured to generate a first beamforming matrix VWB from a channel H; an equivalent channel device configured to generate an equivalent channel {tilde over (H)}k based on the channel H and the first beamforming matrix VWB, where k is a number that indicates a subcarrier index; a second beamforming matrix device configured to obtain a second beamforming matrix VSC from the equivalent channel {tilde over (H)}k; and a transmitter configured to transmit the first beamforming matrix VWB and the second beamforming matrix VSC.

公开(公告)号：US20200266918A1

公开(公告)日：2020-08-20

申请号：US16428695

申请日：2019-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wook Bong Lee ,  Moumita Ray ,  Ruchen Duan

IPC: H04L1/00 ,  H04L5/00 ,  H04L1/20 ,  H04B17/336

Abstract: A system and method for operating a link. In some embodiments, the method includes transmitting a first quantity of data, using a first number of spatial streams, and a first bandwidth, receiving N1 acknowledgment signals, N1 being a nonnegative integer; receiving N2 negative acknowledgment signals, N2 being a nonnegative integer; adjusting an estimated signal to interference and noise ratio for the first number of spatial streams and the first bandwidth, based on N1 and N2; estimating a first throughput for the first number of spatial streams and the first bandwidth; estimating a second throughput for a second number of spatial streams and a second bandwidth; determining whether the second throughput exceeds the first throughput; and in response to determining that the second throughput exceeds the first throughput, transmitting a second quantity of data, using the second number of spatial streams, and the second bandwidth.