H04L2012/4028

Interference cognizant network scheduling

Systems and methods for interference cognizant network scheduling are provided. In certain embodiments, a method of scheduling communications in a network comprises identifying a bin of a global timeline for scheduling an unscheduled virtual link, wherein a bin is a segment of the timeline; identifying a pre-scheduled virtual link in the bin; and determining if the pre-scheduled and unscheduled virtual links share a port. In certain embodiments, if the unscheduled and pre-scheduled virtual links don't share a port, scheduling transmission of the unscheduled virtual link to overlap with the scheduled transmission of the pre-scheduled virtual link; and if the unscheduled and pre-scheduled virtual links share a port: determining a start time delay for the unscheduled virtual link based on the port; and scheduling transmission of the unscheduled virtual link in the bin based on the start time delay to overlap part of the scheduled transmission of the pre-scheduled virtual link.

Apparatus and method of operating a network traffic policing module

An apparatus and method of operating a network traffic policing module includes a data ingress port configured to receive data frames transmitted over the network, a data egress port configured to transmit a set of the data frames to the data egress port and a logic device configured to execute a set of compliance tests on the data frames received at the data ingress port and transmits to the data egress port only a set of data frames that are compliant with the set of compliance tests.

SWITCH FOR AN AIRCRAFT COMMUNICATION SYSTEM, AND ASSOCIATED AIRCRAFT COMMUNICATION SYSTEM AND TRANSMISSION METHOD
20210409350 · 2021-12-30 ·

A switch for transmitting digital data in the form of frames, each frame having an identification field and being of a first type conforming to an ARINC 664 P7 type protocol or of a second type conforming to an IEEE 802 type protocol. The switch comprising a plurality of input ports, a plurality of output ports, and a configuration table comprising for each identification value of the transmission parameters of the frames having this identification value.

The switch is able to switch each frame between an input port and at least one output port exclusively on the basis of the transmission parameters corresponding to the identification value of this frame in the configuration table, independently of the type of this frame.

Method and device of data synchronization and data collection for aerial vehicle and aerial vehicle

A method for synchronizing data collected by one or more sensors of an aerial vehicle includes: generating, by a controller of the aerial vehicle, one or more time stamps each representing a clock time of the controller; sending instruction information to one or more sensors external to the aerial vehicle; receiving a plurality of data packets returned from the one or more external sensors corresponding to a number of first clock times; obtaining data collected by a built-in sensor at a number of second clock times; and analyzing, according to the data packets returned by the external sensors and the data collected by the built-in sensor, a flight state of the aerial vehicle. The instruction information carries the one or more time stamps and directs the one or more external sensors to perform data collection. Each second clock time is the same as a corresponding first clock time.

Method and system for virtualizing a plurality of controller area network bus units communicatively connected to an aircraft
11196585 · 2021-12-07 · ·

A system for virtualizing a plurality of controller area network bus units includes a plurality of physical controller area network buses communicatively connected to an aircraft, each configured to detect a measured state datum of a plurality of measured state data of the aircraft, a plurality of controller area network gateways communicatively connected to the plurality of physical controller area network buses, wherein the plurality of controller area network gateways are configured to transmit the plurality of measured state data, at least a network switch communicatively connected to the plurality of controller area network gateways configured to receive the transmitted measured state data, and transmit the measured state data via a single transmission signal, and at least a virtual controller area network bus unit configured to receive the single transmission signal originating from the at least a network switch and bridge a plurality of virtual controller area network bus units.

Modular processor architecture of a cockpit and infotainment system for a vehicle

The approach relates to a modular computer architecture of a cockpit and infotainment system for a vehicle that includes an I/O module with an I/O computing node (2.0) with at least one data memory, the I/O computing node being designed for processing audio data and as a host computer for performing host functions with ASIL safety requirements. The I/O module also includes a tuner with associated antenna interface, and at least one interface of a vehicle bus system. The modular computer architecture further includes at least one computing module with a computing node with at least one data memory for performing cockpit and infotainment functions, and at least one display interface.

User station for a bus system and method for transmitting a message at different bit rates in a bus system
11356297 · 2022-06-07 · ·

A user station for a bus system and a method for transmitting a message at different bit rates in a bus system is provided. The user station includes a communication control unit for creating a message for at least one further user station of the bus system. The communication control unit is designed to provide in the message a first phase to be transmitted at a first bit rate, and to provide a second phase to be transmitted at a second bit rate, which is faster or slower than the first bit rate. The communication control unit is designed to provide in the message between the first and second phase a predetermined bit pattern for a bit rate switchover between the first and second bit rate. The predetermined bit pattern includes, both before and after the bit rate switchover, a flank for synchronization.

ONBOARD DEVICE, AND METHOD AND SYSTEM FOR WIRELESS INTERCONNECTION BETWEEN ONBOARD DEVICE

An airborne device which has a bus interface and a dedicated wireless transmission apparatus connected to the bus interface, the dedicated wireless transmission apparatus includes: an interface conversion module; and a wireless transmission module. The interface conversion module is configured to convert bus data received from the bus interface into a data packet suitable for transmission using a radio access technology, and/or to convert a data packet received from the wireless transmission module into bus data corresponding to the bus interface. The wireless transmission module is configured to use the radio access technology to transmit the converted data packet, and/or to receive the data packet transmitted using the radio access technology. In addition, a method and a system for wireless interconnection between airborne devices.

Gas turbine engine communication gateway with internal sensors

A method of operating a communication adapter of a gas turbine engine of an aircraft includes receiving a plurality of time series data at the communication adapter from an engine control of the gas turbine engine. The method also includes recording a plurality of internal sensor data of an internal sensor system of the communication adapter. The method further includes correlating the time series data with the internal sensor data based on an alignment in time to form an enhanced data set and transmitting the enhanced data set from the communication adapter to an offboard system.

SYSTEMS AND METHODS FOR RECONFIGURABLE ON-VEHICLE DATA ROUTING

Systems and methods for reconfigurable on-vehicle data routing are provided. In one embodiment, a data link communication system comprises: a router to communicate with at least one communication bus and at least one data bus, and monitor data communicated over the communication data buses, wherein the communication bus communicates data link messages with an off-vehicle service provider system, wherein the data bus transports data between the router and a plurality of on-vehicle systems; a routing control logic; and a conditional logic database, wherein the database comprises definitions of one or more datatypes and definitions for at least one data forwarding command; wherein, in response to receiving a first set of data associated with a datatype defined by the database, the logic executes the at least one data forwarding command to control the router to output a second set of data to one or more of the plurality of on-vehicle systems.