公开(公告)号：US12119944B2

公开(公告)日：2024-10-15

申请号：US17990568

申请日：2022-11-18

申请人： QUALCOMM Incorporated

发明人： Taesang Yoo ,  Siddhartha Mallik ,  Arumugam Chendamarai Kannan ,  Jelena Damnjanovic ,  Madhavan Srinivasan Vajapeyam ,  Jun Wang ,  Yongbin Wei ,  Durga Prasad Malladi

IPC分类号： H04L1/18 ,  H04J11/00 ,  H04L1/1829 ,  H04L5/00 ,  H04L5/14 ,  H04L27/26 ,  H04L43/0864 ,  H04W16/32 ,  H04W72/0446 ,  H04W72/0453 ,  H04W74/08

CPC分类号： H04L1/1854 ,  H04J11/00 ,  H04L1/18 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0055 ,  H04L5/0076 ,  H04L5/14 ,  H04L27/2602 ,  H04L27/26025 ,  H04L27/2605 ,  H04L43/0864 ,  H04W16/32 ,  H04W72/0446 ,  H04W72/0453 ,  H04W74/08 ,  H04J2011/0009 ,  H04J2011/0013 ,  H04L27/2603

摘要： Methods, systems, and devices are described for hierarchical communications and low latency support within a wireless communications system. An eNB and/or a UE may be configured to operate within the wireless communications system which is at least partially defined through a first layer with first layer transmissions having a first subframe type and a second layer with second layer transmissions having a second subframe type. The first subframe type may have a first round trip time (RTT) between transmission and acknowledgment of receipt of the transmission, and the second layer may have a second RTT that is less than the first RTT. Subframes of the first subframe type may be multiplexed with subframes of the second subframe type, such as through time division multiplexing. In some examples symbols of different duration may be multiplexed such that different symbol durations coexist.

公开(公告)号：US20240305505A1

公开(公告)日：2024-09-12

申请号：US18664784

申请日：2024-05-15

申请人： CANON KABUSHIKI KAISHA

发明人： Yuki Yoshikawa

IPC分类号： H04L25/03 ,  H04L5/00 ,  H04L27/26

CPC分类号： H04L25/03006 ,  H04L5/0048 ,  H04L27/2603 ,  H04L2025/03815

摘要： A communication device communicates a radio frame including a preamble and a data field of a physical layer (PHY). The preamble includes an L-STF (Legacy Short Training Field), an L-LTF (Legacy Long Training Field), an L-SIG (Legacy Signal Field), an EHT-SIG-A (Extremely High Throughput Signal A Field), an EHT-STF, and an EHT-LTF, and the EHT-SIG-A includes a field indicating a standard that the radio frame complies with.

公开(公告)号：US12074742B2

公开(公告)日：2024-08-27

申请号：US18090958

申请日：2022-12-29

申请人： LG Electronics Inc.

发明人： Yunjung Yi ,  Hyangsun You ,  Kijun Kim ,  Hyunho Lee

IPC分类号： H04L27/26 ,  H04L5/00 ,  H04W72/044 ,  H04W72/23

CPC分类号： H04L27/2602 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L27/26 ,  H04W72/044 ,  H04W72/23 ,  H04L27/26025 ,  H04L27/2603

摘要： A user equipment is provided with puncturing information indicating a resource to which downlink data is punctured among time-frequency resources to which the downlink data is allocated. The user equipment may decode the downlink data received in the time-frequency resource on the basis of the puncturing information. The downlink data may be mapped to the time-frequency resource by a combined method of a time-first resource mapping method and a frequency-first resource mapping method, or by a distributed resource mapping method.

公开(公告)号：US20240283691A1

公开(公告)日：2024-08-22

申请号：US18651889

申请日：2024-05-01

申请人： TEXAS INSTRUMENTS INCORPORATED

发明人： Mostafa Sayed Ibrahim ,  Il Han Kim ,  Tarkesh Pande ,  Anuj Batra

IPC分类号： H04L27/26 ,  H04B3/54 ,  H04B7/0413 ,  H04L1/1867 ,  H04L5/00 ,  H04L7/04 ,  H04W74/0816

CPC分类号： H04L27/2656 ,  H04B3/54 ,  H04B3/542 ,  H04B3/546 ,  H04B7/0413 ,  H04L5/0023 ,  H04L7/042 ,  H04L27/26 ,  H04L27/2602 ,  H04L27/2603 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2663 ,  H04W74/0816 ,  H04L1/188

摘要： A PLC network system and method operative with OFDM for generating MIMO frames with suitable preamble portions configured to provide backward compatibility with legacy PLC devices and facilitate different receiver tasks such as frame detection and symbol timing, channel estimation and automatic gain control (AGC), including robust preamble detection in the presence of impulsive noise and frequency-selective channels of the PLC network. A PLC device may include a delayed correlation detector and a cross-correlation detector operating in concert to facilitate preamble detection in one implementation.

公开(公告)号：US20240267270A1

公开(公告)日：2024-08-08

申请号：US18585684

申请日：2024-02-23

申请人： LG ELECTRONICS INC.

发明人： Eunsung PARK ,  Jinyoung CHUN ,  Jinsoo CHOI ,  Dongguk LIM

IPC分类号： H04L27/26 ,  H04L1/00 ,  H04W84/12

CPC分类号： H04L27/2603 ,  H04L1/0069 ,  H04L27/2621 ,  H04W84/12

摘要： Proposed are a method and device for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives the PPDU from a transmission STA through a wide band, and decodes the PPDU. The PPDU includes a legacy preamble, and first and second signal fields. The legacy preamble and the first and second signal fields are generated on the basis of a first phase rotation value. When the wide band is the 320 MHz band, the first phase rotation value is [1 −1 −1 −1 1 −1 −1 −1 1 −1 −1 −1 −1 1 1 1].

公开(公告)号：US12047211B2

公开(公告)日：2024-07-23

申请号：US17841251

申请日：2022-06-15

申请人： Atlas Global Technologies LLC

发明人： Ahmad Reza Hedayat

IPC分类号： H04W72/12 ,  H04B7/0413 ,  H04L27/26 ,  H04W72/121 ,  H04W72/23 ,  H04W84/12

CPC分类号： H04L27/2602 ,  H04B7/0413 ,  H04L27/2607 ,  H04L27/2613 ,  H04W72/12 ,  H04W72/121 ,  H04L27/2603 ,  H04W72/23 ,  H04W84/12

摘要： A network device functions as an access point in a wireless local area network. The network device includes one or more memories and one or more processors. The one or more processors are configured to generate a physical layer protocol data unit (PPDU) that includes a plurality of aggregated media access control protocol data units (A-MPDUs), set a length subfield in a common information field of the trigger frame in a first A-MPDU to a same value as corresponding subfields in common information fields of the trigger frames in each of the other A-MPDUs of the plurality of A-MPDUs, and transmit the PPDU through a wireless medium. Each of the plurality of A-MPDUs includes a trigger frame to schedule an uplink transmission.

公开(公告)号：US20240235759A1

公开(公告)日：2024-07-11

申请号：US18444579

申请日：2024-02-16

申请人： WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

发明人： Jinsam KWAK ,  Juhyung SON ,  Geonjung KO

IPC分类号： H04L5/00 ,  H04L27/18 ,  H04L27/26

CPC分类号： H04L5/0048 ,  H04L5/0044 ,  H04L27/18 ,  H04L27/2602 ,  H04L27/2603 ,  H04L27/2613 ,  H04L5/0007 ,  H04L27/26136

摘要： The present invention relates to a wireless communication method for suggesting a packet preamble structure for efficient communication in a wireless communication environment in which a legacy terminal and a non-legacy terminal are mixed, and a wireless communication terminal using the same. For this, the present invention provides a wireless communication method including: generating a packet including a first preamble and a second preamble, wherein a first symbol and a second symbol of the second preamble are modulated using binary phase shift keying (BPSK); and transmitting the generated packet and a wireless communication terminal using the same.

公开(公告)号：US12003457B2

公开(公告)日：2024-06-04

申请号：US17550690

申请日：2021-12-14

申请人： HUAWEI TECHNOLOGIES CO., LTD.

发明人： Jian Yu ,  Ming Gan ,  Yunbo Li

IPC分类号： H04L5/00 ,  H04L25/02 ,  H04L27/20 ,  H04L27/26

CPC分类号： H04L5/0053 ,  H04L5/0048 ,  H04L25/0204 ,  H04L27/2053 ,  H04L27/2603 ,  H04L27/2605 ,  H04L27/26132 ,  H04L27/26136

摘要： This application relates to the field of wireless communications. In an embodiment, a data transmission method comprises generating, by an access point (AP), a scheduling frame, wherein the scheduling frame comprises a first user information field that carries first trigger information for one or more first stations (STAs) and a second user information field that carries second trigger information for one or more second STAs; sending, by the AP, the scheduling frame, wherein the scheduling frame further comprises a field indicating the scheduling frame is an extension scheduling frame, the extension scheduling frame has a trigger frame type that complies with a protocol later than the 802.11ax standard protocol.

公开(公告)号：US11996966B2

公开(公告)日：2024-05-28

申请号：US17597584

申请日：2020-07-21

申请人： LG ELECTRONICS INC.

发明人： Eunsung Park ,  Jinsoo Choi ,  Dongguk Lim

IPC分类号： H04L27/26 ,  H04L5/00 ,  H04W84/12

CPC分类号： H04L27/2603 ,  H04L5/0094 ,  H04L27/2613 ,  H04W84/12

摘要： Proposed are a method and an apparatus for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives a PPDU from a transmission STA through a broadband and decodes the PPDU. The broadband is a 320 MHz band or a 160+160 MHz band. The PPDU includes a first field and a second field. The first field includes an L-STF and an L-LTF. The first field is generated on the basis of a first phase rotation value. The first phase rotation value is generated on the basis of a second phase rotation value and a third phase rotation value. The second phase rotation value is obtained by repeating a phase rotation value for a 160 MHz band, defined in an 802.11ax wireless LAN system.

公开(公告)号：US11996964B2

公开(公告)日：2024-05-28

申请号：US17943386

申请日：2022-09-13

申请人： InterDigital Patent Holdings, Inc.

发明人： J. Patrick Tooher ,  Paul Marinier ,  Marian Rudolf

IPC分类号： H04W72/04 ,  H04L5/00 ,  H04L27/26 ,  H04W72/0446 ,  H04W72/1268

CPC分类号： H04L27/2602 ,  H04L5/0048 ,  H04L5/0051 ,  H04W72/0446 ,  H04W72/1268 ,  H04L27/2603 ,  H04L27/26035

摘要： Methods and systems are disclosed for reducing control signaling in uplink transmissions. A device, such as a wireless transmit/receive unit, may determine to use a demodulation reference signal (DM-RS) transmission schedule out of a plurality of DM-RS transmission schedules. The DM-RS transmission schedule may be characterized by a DM-RS transmission being mapped to a single orthogonal frequency-division multiplexing (OFDM) symbol per subframe of a data stream. The DM-RS transmission schedule may be characterized by a DM-RS transmission being mapped to a first subset of subcarriers of an OFDM symbol of a subframe of a data stream and Physical Uplink Shared Channel (PUSCH) transmission or Physical Uplink Control Channel (PUCCH) control information being mapped to a second set of subcarriers of the OFDM symbol. The first set of subcarriers may be different than the second set of subcarriers. The data stream may be transmitted according to the DM-RS transmission schedule.