公开(公告)号：US11916793B2

公开(公告)日：2024-02-27

申请号：US17683904

申请日：2022-03-01

Applicant: Intellectual Ventures II LLC

Inventor： Floyd Backes ,  Gary Vacon ,  William Hawe ,  Roger Durand ,  Paul Callahan

IPC: H04B7/00 ,  H04L47/125 ,  H04W16/04 ,  H04W16/06 ,  H04W16/10 ,  H04W28/16 ,  H04W28/22 ,  H04W36/18 ,  H04W36/32 ,  H04W48/08 ,  H04W48/20 ,  H04W52/10 ,  H04W52/18 ,  H04W52/22 ,  H04W52/24 ,  H04W52/28 ,  H04W52/34 ,  H04W52/50 ,  H04W60/00 ,  H04W64/00 ,  H04W72/02 ,  H04W74/00 ,  H04W80/04 ,  H04W84/12 ,  H04W52/02 ,  H04W8/04 ,  H04W28/08 ,  H04W72/52 ,  H04W28/086 ,  H04W52/36 ,  H04W76/10 ,  H04L1/00 ,  H04W16/14 ,  H04W24/00 ,  H04W24/02 ,  H04W28/02 ,  H04W28/18 ,  H04W36/08 ,  H04W36/20 ,  H04W40/08 ,  H04W40/18 ,  H04W40/36 ,  H04W48/06 ,  H04W48/16 ,  H04W48/00 ,  H04W80/00 ,  H04W84/18 ,  H04W84/22 ,  H04W88/08 ,  H04W92/18 ,  H04W92/20 ,  H04B17/27 ,  H04L67/1001 ,  H04W72/54 ,  H04W28/04

CPC classification number: H04L47/125 ,  H04W8/04 ,  H04W16/04 ,  H04W16/06 ,  H04W16/10 ,  H04W28/0862 ,  H04W28/0983 ,  H04W28/16 ,  H04W28/22 ,  H04W36/18 ,  H04W36/32 ,  H04W48/08 ,  H04W48/20 ,  H04W52/0216 ,  H04W52/10 ,  H04W52/18 ,  H04W52/225 ,  H04W52/226 ,  H04W52/228 ,  H04W52/24 ,  H04W52/245 ,  H04W52/246 ,  H04W52/247 ,  H04W52/283 ,  H04W52/285 ,  H04W52/286 ,  H04W52/287 ,  H04W52/288 ,  H04W52/343 ,  H04W52/367 ,  H04W52/50 ,  H04W60/00 ,  H04W64/00 ,  H04W72/02 ,  H04W72/52 ,  H04W74/00 ,  H04W80/04 ,  H04W84/12 ,  H04B17/27 ,  H04L1/0002 ,  H04L67/1001 ,  H04L67/10015 ,  H04W16/14 ,  H04W24/00 ,  H04W24/02 ,  H04W28/02 ,  H04W28/04 ,  H04W28/08 ,  H04W28/18 ,  H04W36/08 ,  H04W36/20 ,  H04W40/08 ,  H04W40/18 ,  H04W40/36 ,  H04W48/06 ,  H04W48/16 ,  H04W48/17 ,  H04W52/34 ,  H04W64/006 ,  H04W72/54 ,  H04W76/10 ,  H04W80/00 ,  H04W84/18 ,  H04W84/22 ,  H04W88/08 ,  H04W92/18 ,  H04W92/20 ,  Y02B70/30 ,  Y02D30/70

Abstract: The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically choose a channel such that channel usage is optimized. Furthermore, APs can perform automatic power adjustment so that multiple APs can operate on the same channel while minimizing interference with each other. Wireless stations are load balanced across APs so that user bandwidth is optimized. A movement detection scheme provides seamless roaming of stations between APs.

公开(公告)号：US11882527B2

公开(公告)日：2024-01-23

申请号：US17903901

申请日：2022-09-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Donghoon Lee ,  Pranav Dayal ,  Kee-Bong Song

IPC: H04W52/24 ,  H04B17/10 ,  H04B1/40 ,  H04B17/19

CPC classification number: H04W52/246 ,  H04B1/40 ,  H04B17/103 ,  H04B17/19

Abstract: A method and a closed-loop antenna impedance tuning (CL-AIT) system are provided. An input reflection coefficient is determined. The input reflection coefficient and a threshold value are compared to determine whether the input reflection coefficient is greater than the threshold value. In response to determining that the input reflection coefficient is greater than the threshold value, an optimal tuner code is determined based on a tuner code search algorithm. The optimal tuner code is applied to configure the CL-AIT system.

公开(公告)号：US11818667B2

公开(公告)日：2023-11-14

申请号：US17570568

申请日：2022-01-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaemoon Cha ,  Seonyun Kim ,  Yeonjoo Lee ,  Suyoung Park ,  Sunmin Hwang

IPC: H04W52/24

CPC classification number: H04W52/246

Abstract: An electronic device according to various embodiments may include: at least one antenna; and at least one communication processor configured to upport first network communication with a first network and second network communication with a second network different from the first network. The at least one communication processor may be configured to: identify a first cumulative SAR value based on radiation of a communication signal corresponding to the first network communication via a first part of the at least one antenna and a second cumulative SAR value based on radiation of a communication signal corresponding to the second network communication via a second part of the at least one antenna; and adjust one of a transmission intensity of a first communication signal corresponding to the first network communication or a transmission intensity of a second communication signal corresponding to the second network communication, based on a designated condition satisfied by the first cumulative SAR value and the second cumulative SAR value.

公开(公告)号：US20230276372A1

公开(公告)日：2023-08-31

申请号：US18142469

申请日：2023-05-02

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Satoshi TANAKA ,  Kiichiro TAKENAKA ,  Takayuki TSUTSUI ,  Taizo YAMAWAKI ,  Shun IMAI

IPC: H04W52/24 ,  H03F1/02 ,  H04W52/02 ,  H03F3/19 ,  H03F3/189 ,  H03F3/24 ,  H03F3/21 ,  H04B1/04

CPC classification number: H04W52/246 ,  H03F1/0227 ,  H03F1/0277 ,  H04W52/0251 ,  H03F3/19 ,  H03F3/189 ,  H03F3/24 ,  H03F3/21 ,  H04W52/0261 ,  H03F1/0216 ,  H04B1/0475 ,  Y02D30/70 ,  H03F2200/102 ,  H03F2200/504 ,  H03F2200/294 ,  H04W88/06

Abstract: A high-frequency signal processing apparatus and a wireless communication apparatus can achieve a decrease in power consumption. For example, when an indicated power level to a high-frequency power amplifier is equal to or greater than a second reference value, envelope tracking is performed by causing a source voltage control circuit to control a high-speed DCDC converter using a detection result of an envelope detecting circuit and causing a bias control circuit to indicate a fixed bias value. The source voltage control circuit and the bias control circuit indicate a source voltage and a bias value decreasing in proportion to a decrease in the indicated power level when the indicated power level is in a range of the second reference value to the first reference value, and indicate a fixed source voltage and a fixed bias value when the indicated power level is less than the first reference value.

公开(公告)号：US11690023B2

公开(公告)日：2023-06-27

申请号：US17461560

申请日：2021-08-30

Applicant: MOTOROLA SOLUTIONS, INC.

Inventor： Dennis A. Byk ,  Javier Alfaro ,  Giorgi Bit-Babik ,  Stephen B. Einbinder

IPC: H04W52/24

CPC classification number: H04W52/243 ,  H04W52/246

Abstract: Methods and systems for mitigating interference between different transceivers in a portable communication device. An electronic control circuit is configured to quantify an electromagnetic isolation between a first transceiver of a portable communication and a second transceiver of the portable communication device based on a detected radio frequency power coupled to the first transceiver from radio frequency signals transmitted by the second transceiver. A mitigation action is selected from a plurality of mitigation actions based on a magnitude of the quantified electromagnetic isolation. The selected mitigation action is then applied to the second transceiver to adjust at least one radio frequency characteristic of the second transceiver.

公开(公告)号：US20230199671A1

公开(公告)日：2023-06-22

申请号：US18171881

申请日：2023-02-21

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Satoshi TANAKA ,  Kiichiro TAKENAKA ,  Takayuki TSUTSUI ,  Taizo YAMAWAKI ,  Shun IMAI

IPC: H04W52/24 ,  H04W52/02 ,  H03F3/189 ,  H03F3/24 ,  H04B1/04 ,  H03F1/02 ,  H03F3/19 ,  H03F3/21

CPC classification number: H04W52/246 ,  H04W52/0261 ,  H03F3/189 ,  H03F3/24 ,  H04B1/0475 ,  H03F1/0227 ,  H03F1/0277 ,  H04W52/0251 ,  H03F3/19 ,  H03F1/0216 ,  H03F3/21 ,  Y02D30/70 ,  H04W88/06

Abstract: A high-frequency signal processing apparatus and a wireless communication apparatus can achieve a decrease in power consumption. For example, when an indicated power level to a high-frequency power amplifier is equal to or greater than a second reference value, envelope tracking is performed by causing a source voltage control circuit to control a high-speed DCDC converter using a detection result of an envelope detecting circuit and causing a bias control circuit to indicate a fixed bias value. The source voltage control circuit and the bias control circuit indicate a source voltage and a bias value decreasing in proportion to a decrease in the indicated power level when the indicated power level is in a range of the second reference value to the first reference value, and indicate a fixed source voltage and a fixed bias value when the indicated power level is less than the first reference value.

公开(公告)号：US20190150100A1

公开(公告)日：2019-05-16

申请号：US16243634

申请日：2019-01-09

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Satoshi TANAKA ,  Kiichiro TAKENAKA ,  Takayuki TSUTSUI ,  Taizo YAMAWAKI ,  Shun IMAI

IPC: H04W52/24 ,  H04B1/04 ,  H03F3/189 ,  H03F3/24 ,  H03F1/02 ,  H03F3/21 ,  H04W52/02 ,  H03F3/19

CPC classification number: H04W52/246 ,  H03F1/0216 ,  H03F1/0227 ,  H03F1/0277 ,  H03F3/189 ,  H03F3/19 ,  H03F3/21 ,  H03F3/24 ,  H03F2200/102 ,  H03F2200/294 ,  H03F2200/504 ,  H04B1/0475 ,  H04W52/0251 ,  H04W52/0261 ,  H04W88/06 ,  Y02D70/00 ,  Y02D70/1246 ,  Y02D70/1262 ,  Y02D70/40

Abstract: A high-frequency signal processing apparatus and a wireless communication apparatus can achieve a decrease in power consumption. For example, when an indicated power level to a high-frequency power amplifier is equal to or greater than a second reference value, envelope tracking is performed by causing a source voltage control circuit to control a high-speed DCDC converter using a detection result of an envelope detecting circuit and causing a bias control circuit to indicate a fixed bias value. The source voltage control circuit and the bias control circuit indicate a source voltage and a bias value decreasing in proportion to a decrease in the indicated power level when the indicated power level is in a range of the second reference value to the first reference value, and indicate a fixed source voltage and a fixed bias value when the indicated power level is less than the first reference value.

公开(公告)号：US10015736B2

公开(公告)日：2018-07-03

申请号：US14400756

申请日：2012-06-18

Applicant: Eng Hwee Ong ,  Mika Kasslin

Inventor： Eng Hwee Ong ,  Mika Kasslin

IPC: H04W48/20 ,  H04W52/24 ,  H04W52/28 ,  H04W52/50 ,  H04W48/16 ,  H04W74/08 ,  H04W52/14

CPC classification number: H04W48/20 ,  H04W48/16 ,  H04W52/146 ,  H04W52/242 ,  H04W52/246 ,  H04W52/283 ,  H04W52/50 ,  H04W74/0808

Abstract: A method, apparatus, and computer program is presented for scanning in a wireless network. A wireless device receives a downlink frame from two access points, the downlink frames indicating their respective transmission powers. The wireless device then determines the closest access point and a transmission power sufficient to reach that access point. Then, the wireless device carries out transmission of a probe request with the determined transmission power.

公开(公告)号：US09986514B2

公开(公告)日：2018-05-29

申请号：US15213641

申请日：2016-07-19

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Jin Wang ,  Joseph S. Levy ,  Stephen E. Terry ,  Ulises Olvera-Hernandez ,  Shankar Somasundaram

IPC: H04B7/185 ,  H04B7/00 ,  H04W52/24 ,  H04W52/14 ,  H04W52/36 ,  H04W52/50 ,  H04W24/08 ,  H04W74/08

CPC classification number: H04W52/242 ,  H04W24/08 ,  H04W52/146 ,  H04W52/245 ,  H04W52/246 ,  H04W52/247 ,  H04W52/36 ,  H04W52/50 ,  H04W74/0833

Abstract: Method and apparatus are disclosed for determining a physical uplink power level for transmissions on a physical uplink channel. In one embodiment, a random access channel (RACH) uplink message is transmitted. The RACH uplink message includes a RACH message power level and/or a downlink pathloss figure. A downlink message including a power offset value is received. The physical uplink power level is set for transmissions on the physical uplink channel based on the power offset value. In another embodiment, a RACH uplink message is transmitted and a downlink message including a relative power offset value is received. The physical uplink power level for transmissions on the physical uplink channel is then set based on the relative power off set value.

公开(公告)号：US20180035391A1

公开(公告)日：2018-02-01

申请号：US15728973

申请日：2017-10-10

Applicant: Veniam, Inc.

Inventor： Filipe Manuel Almeida Neves ,  Diogo Emanuel da Silva Jordão Carreira ,  André Amorim de Faria Cardote

IPC: H04W52/28 ,  H04W72/04 ,  H04W52/24 ,  H04W16/00 ,  H04W4/04 ,  H04W84/00 ,  H04B7/02 ,  H04W12/12 ,  H04L29/08

CPC classification number: H04W52/283 ,  H04B7/02 ,  H04B7/0617 ,  H04B7/0619 ,  H04L67/12 ,  H04W4/046 ,  H04W4/40 ,  H04W12/12 ,  H04W16/00 ,  H04W52/143 ,  H04W52/24 ,  H04W52/246 ,  H04W52/386 ,  H04W72/046 ,  H04W72/0473 ,  H04W84/005

Abstract: Communication network architectures, systems and methods for supporting a network of mobile nodes. As non-limiting examples, various aspects of this disclosure provide systems and methods for adapting fixed access point coverage and/or power input/output in a network of moving things that may include autonomous vehicles.