H04B7/18591

Enhanced LDACS system having different user classes and associated methods

An enhanced L-band Digital Aeronautical Communications System (LDACS) may include LDACS ground stations; and a LDACS airborne stations, each configured to communicate with the LDACS ground stations at a given class of service from among different classes of service. The enhanced LDACS may also include a network controller configured to operate the LDACS ground stations and LDACS airborne stations at the different user classes of service.

SELECTIVE SATELLITE SIGNAL MEASUREMENT

A satellite signal method includes: receiving a satellite signal at an apparatus; transmitting, from the apparatus, one or more outbound signals; and inhibiting processing, by the apparatus, of at least a first portion of the satellite signal spanning a first frequency set that includes at least a portion of an interference signal corresponding to transmission of the one or more outbound signals.

Method and device in communication node used for NR NTN communications

The present disclosure provides a method and a device in a communication node for wireless communications. The communication node in the present disclosure first receives first information, and then transmits a first radio signal; a length of a time interval between a start time for transmitting the first radio signal and a first reference time is equal to a sum of a first timing adjustment and a second timing adjustment, the first timing adjustment being one of X candidate timing adjustments, the X being a positive integer greater than 1; the second timing adjustment is used for determining a transmission timing of a radio signal transmitted before the first radio signal in time domain; a transmitter of the first radio signal determines the first timing adjustment out of the X candidate timing adjustments by itself. The present disclosure can improve uplink synchronization performance.

Enhanced LDACS system having LDACS underlay and overlay networks and associated methods

An enhanced L-band Digital Aeronautical Communications System (LDACS) may include LDACS ground stations, and a LDACS airborne stations configured to communicate with the LDACS ground stations. The enhanced LDACS may also include a network controller configured to operate the LDACS ground stations and LDACS airborne stations at different transmission powers to define an LDACS underlay network and an LDACS overlay network. The LDACS underlay network may have a larger cell size than the LDACS overlay network. Portions of the LDACS underlay network may be installed prior in time to portions of the LDACS overlay network.

Remote LPWAN gateway with backhaul over a high-latency communication system
11627640 · 2023-04-11 ·

A terrestrial data communication gateway device for satellite communication comprising: at least one processor; memory accessible to the at least one processor; a LPWAN wireless communication subsystem for communication with multiple remote devices; a satellite communication subsystem for communication with at least one low earth orbit satellite. The memory stores program code executable by the processor to cause the processor to: perform server functions in relation to the multiple remote devices, and configure an edge computing module to perform data processing operations on signals received by the LPWAN communication subsystem. The data processing operations comprise compression of data received by the LPWAN communication subsystem to generate a compressed payload for transmission by the satellite communication subsystem. The memory comprises a backhaul scheduling module to schedule communication of a transmission by the satellite communication subsystem to the low earth orbit satellite.

MULTI-ORBIT SATELLITE DATA CENTER
20230208510 · 2023-06-29 ·

Various approaches for the deployment and coordination of network operation processing, compute processing, and inter-satellite communication coordination, within one or multiple satellite non-terrestrial networks, are discussed. Among other examples, a data center located at one or more satellites operating in a middle Earth orbit (MEO) plane, geosynchronous orbit (GEO) plane, or high-Earth elliptical orbit (HEO) plane, may be used to provide network and data processing operations for a low-Earth orbit (LEO) constellation.

Enhanced LDACS system having cloud-based management and associated methods

An enhanced L-band Digital Aeronautical Communications System (LDACS) may include LDACS ground stations, and LDACS airborne stations configured to communicate with the LDACS ground stations. The enhanced LDACS may also include a Cloud-based network controller configured to allocate LDACS resources to the LDACS ground stations and the LDACS airborne stations based upon a number of LDACS airborne stations, respective flight paths of each LDACS airborne station, a respective type of each LDACS airborne station, and historical data on communication use for each LDACS airborne station.

METHOD AND SYSTEM FOR DIAGNOSING PERFORMANCE OF IN-HOME NETWORK

A method and system for testing a Local Area Network (LAN) coupled to a satellite network through a Customer Premises Equipment (CPE) is disclosed. The method includes: providing a LAN diagnostics tool disposed on the CPE for executing a plurality of tests; receiving, at the LAN diagnostics tool, a test request comprising an execution environment indicator; selecting a test agent based on the execution environment indicator; sending in response to the test request, from the LAN diagnostics tool, the selected test agent; and testing the LAN with communications between the LAN diagnostics tool and the selected test agent being executed on a device connected to the LAN.

USING A LOW-LATENCY NETWORK TO ALLOCATE RETURN-LINK BANDWIDTH ON A HIGH-LATENCY NETWORK
20220052757 · 2022-02-17 ·

Described herein are systems, devices, and methods that improve network communication on a high-latency network by using a low-latency network to manage return-link bandwidth. Embodiments of the systems described herein include a user terminal that is communicatively coupled to a high-latency network and a low-latency network. The user terminal is configured to communicate with a gateway routing device over the low-latency network. The user terminal requests return-link bandwidth and the gateway routing device provides a transmission schedule to the user terminal over the low-latency network. The user terminal can be configured to transmit a message over the high-latency network using the scheduled return-link bandwidth.

Satellite communication transmitter

An earth station transmitter device is arranged for generating a set of data to be transmitted to an earth station receiver device of a satellite communication system. The earth station transmitter device comprises: encoding and modulation means for mapping a plurality of baseband frames; physical layer framing means arranged for inserting in front of each frame of encoded and modulated symbols; converter means for converting a super-frame preamble; super-frame generator means arranged to prepend a first subset of capacity units corresponding to the super-frame preamble to a second subset of capacity units of the plurality corresponding to the plurality of physical layer frames.