Product Design, Manufacturing & Innovation Resources

最新の出版物:衛星インターネットコンステレーションに関する特許

Satellite Internet Constellations

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Satellite internet
衛星インターネットコンステレーションは、低軌道衛星と高度な技術を利用しています。 テクノロジー 効率性と持続可能性という課題を強化しながら、グローバルなブロードバンド接続を実現する。

Satellite internet constellations deploy large numbers of low earth orbit satellites to provide global broadband connectivity with reduced latency. Inter-satellite links and phased array antennas enable dynamic beamforming and efficient spectrum reuse. Network topology and orbital slot allocation influence coverage and capacity, while handover mechanisms maintain seamless connectivity during satellite movement. Ground station networks interface with space segments, supporting data routing and constellation management. Launch strategies and debris mitigation must address operational sustainability (not there yet).

これは、衛星インターネットコンステレーションに関する英語の世界中の出版物と特許の最新のセレクションです。多数の科学オンラインジャーナルの中から、衛星インターネットコンステレーション、低軌道衛星、衛星間リンク、フェーズドアレイアンテナ、衛星ビームフォーミング、コンステレーション展開、衛星ネットワークトポロジー、軌道スロット割り当て、周波数再利用、衛星ハンドオーバー、地上局ネットワーク、衛星ペイロード設計、宇宙セグメントアーキテクチャ、衛星クロスリンク、コンステレーション管理、衛星コンステレーションスケーリング、軌道デブリ軽減、衛星通信、動的帯域幅割り当て、衛星電力管理、衛星追跡システム、コンステレーションシミュレーション、コンステレーションカバレッジ、コンステレーション冗長性、コンステレーション同期、コンステレーションルーティング、コンステレーションセキュリティ、コンステレーション保守、インターネットコンステレーション、衛星コンステレーションに分類され、焦点を絞っています。

Battery pack and wireless communication apparatus and wireless communication method thereof

Patent published on the 2026-05-27 in EP under Ref EP4749882 by SAMSUNG SDI CO LTD [KR] (Kim Min Su [kr])

Abstract: The present disclosure relates to a battery pack and a wireless communication apparatus, and a wireless communication method thereof. The battery pack comprises a pack case; a plurality of battery modules mounted inside the pack case; a plurality of slave battery management systems (BMSs) that are mounted on each battery module and collect battery status information of each battery module; and a master BMS configured to receive the battery status information from each of the plurality of slave B[...]


Our summary: The disclosure presents a battery pack with multiple battery modules and slave BMSs. Each slave BMS collects status information and communicates with a master BMS via RF. The communication utilizes a repeater and an active phased array antenna system for integration and management.

Battery pack, wireless communication, battery management system, phased array antenna

Patent

Space-based internet hosting

Patent published on the 2026-05-21 in US under Ref US20260143408 by HUGHES NETWORK SYSTEMS LLC [US] (Roy Satyajit [us], Choquette George [us])

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for applying intelligent routing techniques. In some implementations, a system obtains, from a satellite communication network, trajectory information for a device configured to communicate with an Internet host located in space. The system determines a first path for communication between the device and the Internet host located in space, wherein the first path includes one or more links. The system [...]


Our summary: The system utilizes satellite communication to obtain trajectory information for devices. It predicts disruptions in communication paths and generates alternative routing tables. This enables uninterrupted communication between devices and Internet hosts in space.

satellite communication, intelligent routing, trajectory information, disruption prediction

Patent

Phased array antenna device

Patent published on the 2026-05-21 in WO under Ref WO2026105355 by MITSUBISHI ELECTRIC CORP [JP] (Matsuki Makoto [jp], Takahashi Toru [jp])

Abstract: This phased array antenna device comprises: a storage unit that stores the antenna coupling coefficients of antenna elements; a calculation unit that calculates, from information stored in the storage unit, the adjustment amount of the active reflection coefficient of each of the antenna elements such that the phase of the active reflection coefficient of the antenna element on the antenna element side as viewed from an amplifier is uniformly dispersed between 0 π and 2 π and the amplitude of [...]


Our summary: The device includes a storage unit for antenna coupling coefficients and a calculation unit for adjusting reflection coefficients. It features adjustment circuits connected to antenna elements for signal modification post-amplification. Additionally, it has control units for managing reflection coefficient adjustments and signal phases for beam directionality.

phased array antenna, reflection coefficient, adjustment circuits, beam directivity

Patent

Method and wireless communication device of configuring radio resource in satellite communication

Patent published on the 2026-05-20 in EP under Ref EP4746313 by IND TECH RES INST [TW] (Tseng Hsin-hsiang [tw], Chen Bo-yan [tw], Chen Yung-fang [tw], Cheng Kai-lun [tw], Liang Ting-jung [tw])

Abstract: A method and a wireless communication device of configuring a radio resource in satellite communication. The method includes: a first channel matrix gain and a first noise gain are calculated according to precoding information and a first channel matrix (S802); a lookup table is obtained, and the lookup table includes mapping relationships among a modulation coding scheme, a spectral efficiency, and a required signal-to-noise ratio (S803); a first power change for increasing a first spectral eff[...]


Our summary: The method configures radio resources in satellite communication by calculating channel matrix gains and noise gains. It utilizes a lookup table for mapping modulation coding schemes to spectral efficiency and signal-to-noise ratios. Power changes are calculated to optimize spectral efficiency for user equipment data streams, updating the modulation coding scheme as needed.

satellite communication, radio resource configuration, modulation coding scheme, spectral efficiency

Patent

Multiple beam serial signal distribution in phased array antennas

Patent published on the 2026-05-20 in EP under Ref EP4746190 by SPACE EXPLORATION TECH CORP [US] (Knopik Vincent [us], Agah Amir [us])

Abstract: [0001] A RF interchange includes a first differential transmission line extending between a first port and a first feed-through port. The interchange includes a second differential transmission line extending parallel to the first differential transmission line, between a second port and a second feed-through port. The interchange includes a third differential transmission line extending across the first differential transmission line and the second differential transmission line toward a first [...]


Our summary: The content describes a RF interchange with multiple differential transmission lines for phased array antennas. It details the configuration of these lines to facilitate signal distribution. The design includes coupling regions to enhance signal propagation between lines.

differential transmission line, phased array antennas, signal distribution, coupling regions

Patent

Dual optical heads for optical feeder link in a satellite communications system

Patent published on the 2026-05-14 in AU under Ref AU2023472214 by VIASAT INC (Fabbri Simon, Matheoud Alessandro Valentino, Acanski Milos, Smutny Berry)

Abstract: A laser communications terminal (LCT) includes separate optical head assemblies (OHAs) for optical signal transmission and reception, with respective pointing systems allowing separate pointing control of the respective OHAs. In a satellite communications system (SCS) having an optical ground station (OGS) configured for communicatively coupling with a satellite of the SCS via an optical feeder link (OFL), the satellite and/or the OGS implements a respective dual OHA (DOHA). In one or more embod[...]


Our summary: The system utilizes dual optical head assemblies for separate transmission and reception of optical signals. It allows for independent pointing control, enhancing performance and simplifying optics. The design improves isolation of optical paths and reduces the need for precise alignment during manufacturing.

optical feeder link, laser communications terminal, dual optical heads, satellite communications system

Patent

A Multi-Modal and Sensor Fusion Dataset for Generative Modeling in Remote Sensing

Published on 2026-02-01 by Abdul Mutakabbir, Chung-Horng Lung, Marzia Zaman, Darshana Upadhyay, Kshirasagar Naik, Koreen Millard, Thambirajah Ravichandran, Richard Purcell @MDPI

Abstract: Earth Observation (EO) and Remote Sensing (RS) data are widely used in various fields, including weather, environment, and natural disaster modeling and prediction. EO and RS done through geostationary satellite constellations in fields such as these are limited to a smaller region, while sun synchronous satellite constellations have discontinuous spatial and temporal coverage. This limits the ability of EO and RS data for near-real-time weather, environment, and natural disaster applications. T[...]


Our summary: The NOAH dataset integrates Ground-Based Sensors with Remote Sensing data to enhance Earth Observation applications. It addresses limitations in spatial and temporal coverage for real-time disaster modeling. The dataset supports generative modeling techniques and is open-sourced for further research.

Multi-Modal, Sensor Fusion, Generative Modeling, Remote Sensing

Publication

Deployment and Performance in the South China Sea

Published on 2026-02-01 by Tongmu Liu, Baocheng Zhou, Xinwen Zhang, Jianqing Peng, Hua Huang, Tianhao Jian @MDPI

Abstract: Obtaining real-time data from the deep ocean remains a major challenge in marine observation. This study presents a deep-sea mooring system that integrates inductive telemetry (EUM6000 modules) with Tiantong satellite communication to achieve real-time, long-term hydrological monitoring in the South China Sea. The system incorporated 25 sensors, including CTDs and ADCPs, and was deployed at a depth of 1247 m. Over one year of continuous operation, it maintained a data reception rate &amp;gt;[...]


Our summary: This study presents a deep-sea mooring system that integrates inductive telemetry with satellite communication for real-time hydrological monitoring. The system achieved over one year of continuous operation with a data reception rate greater than 90% and a latency of less than 15 minutes. It provides high-resolution multi-sensor data that enhances understanding of ocean dynamics and supports climate research and disaster warning applications.

Telemetry, Deep-sea, Hydrological monitoring, South China Sea

Publication

取り上げるトピック: 衛星インターネット、低軌道衛星、グローバルブロードバンド、低遅延、衛星間リンク、フェーズドアレイアンテナ、動的ビームフォーミング、スペクトル再利用、ネットワークトポロジー、軌道スロット割り当て、ハンドオーバーメカニズム、地上局ネットワーク、データルーティング、衛星コンステレーション管理、打ち上げ戦略、デブリ軽減、運用持続可能性。

用語集

Low Earth Orbit (LEO): 地球表面から通常160キロメートルから2,000キロメートルの高度にある宇宙空間。この高度では衛星が受ける大気抵抗が最小限に抑えられるため、打ち上げコストの削減と通信遅延の短縮が可能となる。地球観測、電気通信、科学ミッションなどに広く利用されている。

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