公开(公告)号：US20240171441A1

公开(公告)日：2024-05-23

申请号：US18510338

申请日：2023-11-15

Applicant: MediaTek Inc.

Inventor： Shengquan Hu ,  Jianhan Liu ,  Thomas Edward Pare, JR.

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/26132 ,  H04L5/0053 ,  H04L27/26025

Abstract: Techniques pertaining to narrow bandwidth transmission schemes in next-generation Enhanced Long Range (ELR) wireless local area networks (WLANs) are described. An apparatus (e.g., station (STA)) generates a physical-layer protocol data unit (PPDU) comprising a spoofing preamble, an ELR preamble and an ELR data portion. The apparatus transmits the PPDU in an ELR wireless communication such that at least a portion of the ELR preamble is transmitted on at least one narrow-bandwidth subchannel of a wider bandwidth.

公开(公告)号：US20240151845A1

公开(公告)日：2024-05-09

申请号：US18226616

申请日：2023-07-26

Applicant: MEDIATEK INC.

Inventor： Shuling Feng ,  Jianhan Liu ,  Thomas Edward Pare, JR. ,  Tsung-Han Tsai

IPC: G01S13/76 ,  H04L25/02 ,  H04W24/10

CPC classification number: G01S13/765 ,  H04L25/022 ,  H04W24/10 ,  H04W84/12

Abstract: Embodiments of the present invention provide methods and devices for performing wireless sensing operations that can accommodate different Rx frequency responses with minimum PHY changes to increase the performance and reliability of wireless sensing in wireless local area network (WLAN) networks. Rx frequency response information can be obtained as channel state information (CSI) in a loopback test and can further be normalized with the total gain in the receiver chain leading to CSI estimation. Moreover, different Rx frequency responses can be categorized into limited groups with underlying circuit conditions based on their frequency response variations. The different Rx frequency responses can be indicated in subfields of a CSI report transmitted to the sensing initiator for performing sensing operations with the sensing responder.

公开(公告)号：US20240097820A1

公开(公告)日：2024-03-21

申请号：US18369068

申请日：2023-09-15

Applicant: MediaTek Inc.

Inventor： Shengquan Hu ,  Jianhan Liu ,  Thomas Edward Pare, JR.

IPC: H04L1/00

CPC classification number: H04L1/0071

Abstract: Techniques pertaining to performance enhancement of resource unit (RU) duplication with predefined interleaving patterns in wireless communications are described. An apparatus (e.g., station (STA)) generates at least one RU. The apparatus then performs a wireless communication with RU duplication in a frequency domain using either: (a) a same interleaving pattern applied across orthogonal frequency-division multiplexing (OFDM) symbols of each duplicated RU of the at least one RU; or (b) two or more interleaving patterns periodically or alternatively switched over OFDM symbols of two or more duplicated RUs of the at least one RU.

公开(公告)号：US20240022365A1

公开(公告)日：2024-01-18

申请号：US18205997

申请日：2023-06-05

Applicant: MediaTek Inc.

Inventor： You-Wei Chen ,  Jianhan Liu ,  Shengquan Hu ,  TingChe Tseng ,  Lin-Kai Chiu ,  Tung Sheng Yang ,  Thomas Edward Pare, JR.

IPC: H04L5/00

CPC classification number: H04L5/0044 ,  H04W84/12

Abstract: Techniques pertaining to enhanced long range (ELR) waveform structures and signal (SIG) subfield in wireless communications are described. An apparatus (e.g., a station (STA)) performs an ELR wireless communication by: (i) transmitting an ELR physical-layer protocol data unit (PPDU); or (ii) receiving the ELR PPDU. The ELR PPDU includes a waveform structure with backward and forward compatibilities with different generations of Wi-Fi standards.

公开(公告)号：US20230422070A1

公开(公告)日：2023-12-28

申请号：US18211749

申请日：2023-06-20

Applicant: MediaTek Inc.

Inventor： Shuling Feng ,  Jianhan Liu ,  Thomas Edward Pare, JR. ,  Tsung-Han Tsai

IPC: H04W24/10

CPC classification number: H04W24/10 ,  H04W84/12

Abstract: Techniques pertaining to further indication for WLAN sensing measurement report in wireless communications are described. A sensing receiver is configured to perform a sensing measurement and generate a sensing measurement report indicating channel state information (CSI) according to the sensing measurement. The sensing measurement report further indicates one or more categories of a frequency response of the sensing receiver without indicating any gain setting of the sensing receiver. The sensing receiver is also configured to transmit, as a sensing responder, the sensing measurement report to a sensing initiator.

公开(公告)号：US20230318891A1

公开(公告)日：2023-10-05

申请号：US18127680

申请日：2023-03-29

Applicant: MediaTek Inc.

Inventor： Shengquan Hu ,  Jianhan Liu ,  Thomas Edward Pare, JR.

IPC: H04L27/26

CPC classification number: H04L27/2603 ,  H04L27/2613

Abstract: Techniques pertaining to preamble designs for next-generation wireless local area networks (WLANs) in 60 GHz band are described. A first apparatus communicates in a 60 GHz band wirelessly with a second apparatus by transmitting a first physical-layer protocol data unit (PPDU) to the second apparatus and/or receiving a second PPDU from the second apparatus. Each of the first PPDU and the second PPDU and a respective preamble thereof are either with or without at least partial backward compatibility with one or more preexisting PPDU formats and preambles.

公开(公告)号：US20240364445A1

公开(公告)日：2024-10-31

申请号：US18646838

申请日：2024-04-26

Applicant: MediaTek Inc.

Inventor： Shengquan Hu ,  Jianhan Liu ,  Thomas Edward Pare, JR.

IPC: H04L1/00

CPC classification number: H04L1/0003 ,  H04L1/0033 ,  H04L1/0068

Abstract: Various schemes pertaining to proportional round robin segment parser designs for the wider bandwidths and corresponding multi-resource unit (MRU) combinations with either equal modulation (EQM) or unequal modulation (UEQM) in wireless communications are described. An apparatus (e.g., an access point (AP) or a non-AP station (STA)) generates a multi-resource unit (MRU) comprising an aggregate of a plurality of resource units (RUS). The apparatus then transmits the MRU with UEQM or EQM in a bandwidth of 480 MHz or greater.

公开(公告)号：US20240107381A1

公开(公告)日：2024-03-28

申请号：US18371657

申请日：2023-09-22

Applicant: MediaTek Inc.

Inventor： Shengquan Hu ,  Jianhan Liu ,  Thomas Edward Pare, JR.

IPC: H04W28/20 ,  H04L5/00 ,  H04W28/08

CPC classification number: H04W28/20 ,  H04L5/0041 ,  H04L5/0048 ,  H04W28/0983

Abstract: Various schemes pertaining to distributed-tone resource unit (dRU) operation for wide bandwidths next-generation wireless local area network (WLAN) systems are described. A communication entity generates at least one dRU or both the at least one dRU and at least one regular resource unit (rRU). The communication entity then communicates wirelessly using the at least one dRU or using the at least one dRU and the at least one rRU in a 160 MHz, 240 MHz, 320 MHz, 480 MHz or 640 MHz bandwidth.

公开(公告)号：US20240106615A1

公开(公告)日：2024-03-28

申请号：US18371168

申请日：2023-09-21

Applicant: MediaTek Inc.

Inventor： Shengquan Hu ,  Jianhan Liu ,  Thomas Edward Pare, JR.

IPC: H04L5/00

CPC classification number: H04L5/0094 ,  H04L5/0046

Abstract: Techniques pertaining to distributed-tone resource unit (RU) designs for wide distribution bandwidth 160 MHz in wireless communications are described. An apparatus (e.g., station (STA)) generates a distributed-tone resource unit (dRU) of 52 tones or more using a 26-tone dRU as a building block. The apparatus then performs a wireless communication in a 160 MHz distribution bandwidth with the dRU.

公开(公告)号：US20240049157A1

公开(公告)日：2024-02-08

申请号：US18210549

申请日：2023-06-15

Applicant: MEDIATEK INC.

Inventor： Shuling Feng ,  Jianhan Liu ,  Thomas Edward Pare, JR.

IPC: H04W56/00

CPC classification number: H04W56/0065 ,  H04W84/12

Abstract: Embodiments of the present invention are drawn to systems, apparatus and methods that perform wireless ranging procedures using EHT frames supporting large bandwidth transmission. Moreover, ranging specifications are expanded for the EHT frame format in order to support BW320 ranging with improved performance and accuracy. Embodiments of the present invention support high-bandwidth BW320 and BW240 wireless ranging using a EHT frame format and support 802.11az ranging using a high efficiency (HE) for 802.11be devices. Long training field (LTF) repetition features and security features are also described for EHT-LTFs, and signaling of preamble puncturing patterns are defined for 320 MHz physical layer protocol data units (PPDUs) carried in the U-SIG field and in Trigger Frames to improve spectrum efficiency and reduce interference, according to embodiments.