公开(公告)号：US20240422780A1

公开(公告)日：2024-12-19

申请号：US18744374

申请日：2024-06-14

Applicant: NXP USA, Inc.

Inventor： Liwen Chu ,  Kiseon Ryu ,  Huizhao Wang ,  Hongyuan Zhang

IPC: H04W72/20 ,  H04W84/12

Abstract: Embodiments of a method and apparatus for communications are disclosed. In an embodiment, a communications device includes a controller configured to generate a protected control frame and a transceiver configured to transmit the protected control frame to a second communications device. The protected control frame includes a protected trigger frame, a protected block acknowledgement (BA) frame, or a protected block acknowledgement request (BAR) frame.

公开(公告)号：US20240364436A1

公开(公告)日：2024-10-31

申请号：US18646558

申请日：2024-04-25

Applicant: NXP USA, Inc.

Inventor： Liwen Chu ,  Kiseon Ryu ,  Huizhao Wang ,  Hongyuan Zhang ,  Yi-Ling Chao

IPC: H04B17/309 ,  H04L5/00 ,  H04W74/0816

CPC classification number: H04B17/345 ,  H04L5/0053

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless device includes a controller configured to generate a frame that includes interference information indicating an existence or an occurrence of a wireless communications interference and a wireless transceiver configured to transmit the frame through an antenna.

公开(公告)号：US20240284496A1

公开(公告)日：2024-08-22

申请号：US18583437

申请日：2024-02-21

Applicant: NXP USA, Inc.

Inventor： Liwen Chu ,  Kiseon Ryu ,  Huizhao Wang ,  Hongyuan Zhang

IPC: H04W72/512 ,  H04W72/12

CPC classification number: H04W72/512 ,  H04W72/12

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless device includes a wireless transceiver configured to communicate within a transmit opportunity (TXOP), where the wireless transceiver is further configured to receive a frame indicating a preemption allowance for low latency indication frame transmission from a second wireless device, and a controller configured to control the wireless transceiver to pause or resume data transmission within the TXOP in response to the frame indicating the preemption allowance for low latency indication frame transmission from the second wireless device.

公开(公告)号：US20240008082A1

公开(公告)日：2024-01-04

申请号：US18216500

申请日：2023-06-29

Applicant: NXP USA, Inc.

Inventor： Liwen Chu ,  Rui Cao ,  Hongyuan Zhang ,  Kiseon Ryu ,  Huizhao Wang

IPC: H04W74/08 ,  H04W48/12

CPC classification number: H04W74/0816 ,  H04W48/12

Abstract: A method and an apparatus for operating a Basic Service Set (BSS) are disclosed. A method involves announcing, by a first wireless device to a second wireless device, a BSS operating channel, wherein the first wireless device has at least one of a first transmission power capability and a first bandwidth capability, the second wireless device has at least one of a second transmission power capability that is less than the first transmission power capability and a second bandwidth capability that is narrower than the first bandwidth capability, and wherein the BSS operating channel is at least one of a punctured operating channel and an unpunctured operating channel, associating, by the second wireless device, with the first wireless device via the announcement of the BSS operating channel from the first wireless device, and exchanging frames between the first wireless device and the second wireless device in the BSS operating channel.

公开(公告)号：US20240365103A1

公开(公告)日：2024-10-31

申请号：US18644895

申请日：2024-04-24

Applicant: NXP USA, Inc.

Inventor： Liwen Chu ,  Kiseon Ryu ,  Huizhao Wang ,  Hongyuan Zhang

IPC: H04W8/08 ,  H04W76/15

CPC classification number: H04W8/082 ,  H04W76/15

Abstract: A non-access point (non-AP) multi-link device (MLD) is arranged to roam within a roaming AP MLD comprising a plurality of AP MLDs. The non-access point MLD receives from the roaming AP MLD an announcement. In an example, the announcement indicates that the roaming AP supports one of a link level roaming and MLD roaming within the roaming AP MLD. Based on the announcement, the non-AP MLD sends a roaming request to the roaming AP MLD, where the roaming request indicates one of the link level roaming and MLD roaming. A roaming response is received from the roaming AP MLD where the response indicates at least one new link established from the non-AP MLD to the roaming AP MLD. Based on the new link which is established, the non-AP MLD exchanges frames with the roaming AP MLD.

公开(公告)号：US20240306194A1

公开(公告)日：2024-09-12

申请号：US18600545

申请日：2024-03-08

Applicant: NXP USA, Inc.

Inventor： Kiseon Ryu ,  Liwen Chu ,  Rui Cao ,  Huizhao Wang ,  Hongyuan Zhang

IPC: H04W74/08

CPC classification number: H04W74/08

Abstract: In an IEEE 802.11 wireless system, a wireless STA is configured to access a secondary channel by receiving an inter-BSS PPDU which identifies a transmission channel bandwidth for the inter-BSS PPDU and TXOP duration, and then accessing a secondary channel which excludes the transmission channel bandwidth identified by the inter-BSS PPDU and a primary 20 MHz channel for the wireless STA device from a basic service set (BSS) operating bandwidth associated with the wireless STA device before exchanging one or more frames on the secondary channel during the TXOP duration without using the primary 20 MHz channel for the wireless STA device, and then switching back to the primary 20 MHz channel before the TXOP duration ends.

公开(公告)号：US20240163922A1

公开(公告)日：2024-05-16

申请号：US18490276

申请日：2023-10-19

Applicant: NXP USA, Inc.

Inventor： Kiseon Ryu ,  Liwen Chu ,  Hongyuan Zhang ,  Huizhao Wang

IPC: H04W74/08

CPC classification number: H04W74/0808 ,  H04W84/12

Abstract: One example discloses a method of latency-sensitive traffic transmission for communications between a first WLAN (wireless local area network) device and a second WLAN device, including: scheduling, by the first WLAN device a set of low latency (LL) traffic stream windows with the second WLAN device; having LL traffic for transmission during at least one of the LL traffic stream windows; pre-empting, by the first WLAN device, a TXOP (transmission opportunity) of the second WLAN device if the at least one of the LL traffic stream windows overlaps with the second WLAN device's TXOP; and transmitting, by the first WLAN device, the LL traffic during the TXOP of the second WLAN device that was pre-empted.

公开(公告)号：US20240147363A1

公开(公告)日：2024-05-02

申请号：US18385327

申请日：2023-10-30

Applicant: NXP USA, Inc.

Inventor： Liwen Chu ,  Rui Cao ,  Kiseon Ryu ,  Hongyuan Zhang ,  Huizhao Wang

IPC: H04W52/02

CPC classification number: H04W52/0229 ,  H04W84/12

Abstract: A method of a low power listening mode includes announcing, by a first wireless device is operating in a low power listening mode. The first wireless device in the low power listening mode receives an initial frame having a single spatial stream and a low data rate from a second wireless device. The frame requests a frame exchange with the first wireless device. The low data rate is lower than a maximum data rate of the first wireless device. A reply to the initial frame is transmitted to the second wireless device in a single spatial stream with the low data rate. The reply acknowledges an association with the second wireless device. The first wireless device wakes from the low power listening mode to a full capacity mode, and performs a frame exchange with the second wireless device in the full capacity mode.

公开(公告)号：US20240107604A1

公开(公告)日：2024-03-28

申请号：US18372908

申请日：2023-09-26

Applicant: NXP USA, Inc.

Inventor： Kiseon Ryu ,  Liwen Chu ,  Rui Cao ,  Hongyuan Zhang ,  Huizhao Wang

IPC: H04W76/15

CPC classification number: H04W76/15

Abstract: Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless device includes a wireless transceiver configured to receive a first frame from a first wireless access point (AP) for multi-AP coordination that is not associated with the wireless device and a second frame from a second wireless AP for multi-AP coordination that is associated with the wireless device and a controller configured to set a network allocation vector (NAV) timer of the wireless device to a non-zero value in response to the first frame and the second frame. The wireless transceiver is further configured to transmit a physical protocol data unit (PPDU) to the second wireless AP even if the NAV timer of the wireless device is non-zero.

公开(公告)号：US20250048464A1

公开(公告)日：2025-02-06

申请号：US18499783

申请日：2023-11-01

Applicant: NXP USA, Inc.

Inventor： Liwen Chu ,  Kiseon Ryu ,  Hongyuan Zhang ,  Huizhao Wang

IPC: H04W76/15 ,  H04W36/08

Abstract: Roaming for a non-access point (non-AP) device with a roaming access point (AP) multi-link device (MLD), wherein the roaming AP MLD includes a plurality of AP MLDs in different devices at different locations having one medium access control (MAC) service access point (SAP), including: exchanging management frames between the non-AP device and a current serving AP MLD that is one of the plurality of AP MLDs to select a future serving AP MLD that is one of the plurality of AP MLDs and to select future serving link of the future serving AP MLD; and exchanging management frames between the non-AP device and the serving AP MLD to switch from the current serving AP MLD and the future serving AP MLD.