公开(公告)号：US11363635B2

公开(公告)日：2022-06-14

申请号：US17161264

申请日：2021-01-28

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Jinjing Jiang ,  Lochan Verma ,  Qi Wang ,  Su Khiong Yong ,  Tianyu Wu ,  Yong Liu

IPC: H04W74/08 ,  H04W8/24 ,  H04W74/00 ,  H04L1/16

Abstract: Some embodiments include an apparatus, method, and computer program product for Extremely High Throughput (EHT) medium reservation. Some embodiments include a first station configured to exchange EHT-Request to Send (RTS) and/or EHT-Clear to Send (CTS) capabilities with a second station, and determine CTS response mode (e.g., rules) for the first station based at least on the RTS and CTS capabilities of the first and the second stations. Some embodiments include transmitting RTS frames and receiving CTS frames in the presence of punctured channels, implementing a flexible channel reservation scheme, reserving punctured bandwidths, and receiving CTS frames even when a primary channel is busy. Some embodiments include an RTS or an CTS frame that includes an EHT bandwidth puncture (BnP) signaling address and/or a modified scrambler seed that enable channel reservations for an EHT bandwidth.

公开(公告)号：US20210281363A1

公开(公告)日：2021-09-09

申请号：US17194627

申请日：2021-03-08

Applicant: Apple Inc.

Inventor： Tianyu Wu ,  Yong Liu ,  Jinjing Jiang ,  Jerkko L. Knect ,  Lochan Verma ,  Qi Wang ,  Su Khiong Yong ,  Anuj Batra

IPC: H04L1/16 ,  H04L1/00 ,  H04L5/00

Abstract: An electronic device (such as an access point) is described. This electronic device transmits an orthogonal frequency division multiple access (OFDMA) frame to a recipient electronic device (such as a client or a station). The OFDMA frame includes multiple predefined resource units (RUs) allocated to the recipient electronic device in a set of predefined RUs having associated frequency bandwidths. Moreover, the multiple predefined RUs include two or more first predefined RUs having a first number of tones less than a predefined amount, or two or more second predefined RUs having a second number of tones greater than or equal to the predefined amount. For example, the predefined amount may include 242 tones. Note that the multiple predefined RUs may have the same or different numbers of tones. Moreover, the electronic may receive an acknowledgment or a block acknowledgment from the recipient electronic device.

公开(公告)号：US20210281357A1

公开(公告)日：2021-09-09

申请号：US17194782

申请日：2021-03-08

Applicant: Apple Inc.

Inventor： Lochan Verma ,  Yong Liu ,  Jarkko L. Kneckt ,  Qi Wang ,  Jinjing Jiang ,  Su Khiong Yong ,  Tianyu Wu

IPC: H04L1/00 ,  H04L5/00

Abstract: An electronic device (such as an access point) that receives one or more block acknowledgments is described. This electronic device may transmit an extremely high-throughput (EHT) physical layer convergence protocol (PLCP) protocol data unit (PPDU) to a recipient electronic device, where the EHT PPDU is transmitted in multiple non-contiguous sub-bands that are separated by a punctured sub-band. Moreover, the electronic may receive the one or more block acknowledgments from the recipient electronic device, where the one or more block acknowledgments exclude the punctured sub-band. Note that the EHT PPDU may exclude transmitted energy in the punctured sub-band. Moreover, the punctured sub-band may have a bandwidth of at least 20 MHz and may be different from a primary sub-band.

公开(公告)号：US12225506B2

公开(公告)日：2025-02-11

申请号：US17491155

申请日：2021-09-30

Applicant: Apple Inc.

Inventor： Jinjing Jiang ,  Yong Liu ,  Tianyu Wu ,  Qi Wang ,  Su Khiong Yong ,  Jarkko L. Kneckt ,  Lochan Verma

IPC: H04W72/044 ,  H04W74/0808

Abstract: Methods and apparatuses are disclosed for high-bandwidth stations in a WiFi environment. In embodiments, a bandwidth of communications supported by the access point is divided into multiple frequency segments. In an embodiment, bandwidths up to 320 MHz are supported, which can be subdivided into four frequency segments of 80 MHz each. Different stations park on different frequency segments, whereas the access point has its primary channel located on the first frequency segment. With this configuration, uplink and downlink channel access can be provided to the different stations using a primary channel hopping pattern, which is provided to the stations from the AP. This pattern provides time windows for each frequency segment, during which the stations in that segment are able to freely communicate. Several other aspects of the disclosure further support this configuration and other high-bandwidth configurations.

公开(公告)号：US20250016565A1

公开(公告)日：2025-01-09

申请号：US18763362

申请日：2024-07-03

Applicant: Apple Inc.

Inventor： Jarkko L. Kneckt ,  Yong Liu ,  Su Khiong Yong ,  Sidharth R. Thakur ,  Tianyu Wu ,  Lochan Verma ,  Qi Wang ,  Ahmad Reza Hedayat ,  Jinjing Jiang

IPC: H04W12/106 ,  H04L5/00 ,  H04W8/22

Abstract: Methods, systems and apparatuses for performing enhanced integrity protection techniques by an access point (AP) and non-AP are described. A station (STA) can receive, from an access point (AP), an integrity protection (IP) capability request and transmit an IP capability response to the AP. The STA can receive, from the AP, one or more downlink (DL) frames comprising at least one adjusted parameter field of a plurality of parameter fields. The STA can verify, based on at least one value of the adjusted parameter field or one or more parameter fields of the plurality of parameter fields, that the one or more DL frames have been correctly received from the AP.

公开(公告)号：US20240381427A1

公开(公告)日：2024-11-14

申请号：US18638151

申请日：2024-04-17

Applicant: Apple Inc.

Inventor： Jinjing Jiang ,  Ahmad Reza Hedayat ,  Jarkko L. Kneckt ,  Lochan Verma ,  Qi Wang ,  Sidharth R. Thakur ,  Su Khiong Yong ,  Tianyu Wu ,  Yong Liu

IPC: H04W74/0816 ,  H04L5/00 ,  H04W74/06

Abstract: Disclosed are methods, systems, and computer-readable medium to perform operations including: during transmission of two or more physical layer protocol data units (PPDUs) during a transmission opportunity (TXOP), determining that an urgent PPDU should be transmitted during the TXOP; and enabling, before transmission of all of the two or more PPDUs during the TXOP, transmission of the urgent PPDU.

公开(公告)号：US20240373457A1

公开(公告)日：2024-11-07

申请号：US18650837

申请日：2024-04-30

Applicant: Apple Inc.

Inventor： Lochan Verma ,  Su Khiong Yong ,  Yong Liu ,  Jarkko L. Kneckt ,  Jinjing Jiang ,  Ahmad Reza Hedayat ,  Sidharth R Thakur

IPC: H04W74/08

Abstract: Systems, methods, and mechanisms for a sub-transmit opportunity (sub-TxOP) and/or sub-TxOPs within a transmit opportunity (e.g., TxOP) to reduce channel access delays in wireless systems, e.g., such as in current and future IEEE 802.11 systems. A wireless device (e.g., an access point or wireless station) may transmit, at a start of a TxOP to one or more wireless devices, signaling indicating that the TxOP includes one or more sub-TxOPs. The wireless device may contend, during a first contention period (CP) preceding a first sub-TxOP of the one or more sub-TxOPs, for access to a medium. The wireless device may transmit, upon determining that the wireless device can transmit in the first sub-TxOP, data to at least one wireless device of the one or more wireless devices.

公开(公告)号：US12081260B2

公开(公告)日：2024-09-03

申请号：US17951280

申请日：2022-09-23

Applicant: Apple Inc.

Inventor： Lochan Verma ,  Alexander Krebs ,  Yong Liu ,  Jinjing Jiang

IPC: H04B1/7183 ,  H04W74/0808

CPC classification number: H04B1/7183 ,  H04W74/0808

Abstract: Systems, methods, and mechanisms for an out-of-band (OOB) ultra-wide band (UWB) channel arbitration and/or channel coordination scheme. A device may scan an arbitration channel for a first time period, and based on the scanning, that the arbitration channel is not in use. The device may perform, on the arbitration channel, a first channel access procedure and perform, on the UWB channel, UWB communications during a UWB channel transmission opportunity.

公开(公告)号：US12058516B2

公开(公告)日：2024-08-06

申请号：US17504610

申请日：2021-10-19

Applicant: Apple Inc.

Inventor： Jinjing Jiang ,  Yong Liu ,  Su Khiong Yong ,  Tianyu Wu ,  Jarkko L. Kneckt ,  Lochan Verma ,  Qi Wang

IPC: H04W12/037 ,  H04W12/02 ,  H04W12/06 ,  H04W84/12

CPC classification number: H04W12/037 ,  H04W12/02 ,  H04W12/06 ,  H04W84/12

Abstract: During operation, an electronic device may encrypt an A-control subfield. Then, the electronic device may provide the frame addressed to a second electronic device, where the frame includes a media access control (MAC) header and the MAC header includes the A-control subfield that is encrypted. Note that the encrypted A-control subfield may be jointly encrypted with data in a payload in the frame. Moreover, the encrypted A-control subfield may be separated from the payload in the frame by one or more additional subfields or may be adjacent to the payload in the frame. Furthermore, the MAC header may include an indicator that indicates whether the A-control subfield is encrypted. Additionally, the frame may include a preamble that indicates whether the A-control subfield is encrypted. The frame may be received by the second electronic device. After receiving the frame, the second electronic device may decrypt the A-control subfield.

公开(公告)号：US20240107584A1

公开(公告)日：2024-03-28

申请号：US18471755

申请日：2023-09-21

Applicant: Apple Inc.

Inventor： Ahmad Reza Hedayat ,  Lochan Verma

IPC: H04W74/08

CPC classification number: H04W74/0816

Abstract: A second electronic device that receives a frame is described. This second electronic device includes: an antenna node communicatively coupled to an antenna; and a second interface circuit, communicatively coupled to the antenna node, that communicates with an electronic device. During operation the second interface circuit receives, associated with the electronic device, the frame that includes an indication that the electronic device uses a frame-based equipment (FBE) channel access technique and attributes of the FBE channel access technique. The attributes include: a duration of the FBE channel access technique, and a fixed frame period (FFP) for communication during the FBE channel access technique. Moreover, the frame is compatible with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard.