Mitsubishi Electric

A heat exchanger (101) comprises a lower heat exchanger (1) and an upper heat exchanger (2) aligned in the vertical direction, and a positioning member (3) to position the upper heat exchanger with respect to the lower heat exchanger. The lower heat exchanger and the upper heat exchanger each include a heat transfer tube extending in a direction intersecting the vertical direction. The positioning member includes a first member (4) and a second member (5). The first member includes a first fixed portion (41) fixed to one end of the lower heat exchanger in the direction in which the heat transfer tube extends, and an engagement portion (42) engaged with one end of the upper heat exchanger in the direction in which the heat transfer tube extends. The second member includes a second fixed portion (51) fixed to the other end of the lower heat exchanger in the direction in which the heat transfer tube extends, and a connection portion (52) connected to a corner of the other end of the upper heat exchanger in the direction in which the heat transfer tube extends.

The disclosure relates to a method performed by a vertical federated learning, VFL server (10, 10a), the method comprising: obtaining (31, 31a, 31b) client information for a plurality of VFL clients (11, 12, 13, 14, 11a, 12a, 13a, 14a), the client information for a VFL client including data indicative of a reliability and/or a resource availability of the VFL client; transmitting (34, 34a, 34b) allocation instructions, the allocation instructions defining associations of local models to respective VFL clients, wherein the allocation instructions take account of the client information; obtaining (35, 35a, 35b) an update to the client information for a VFL client during a use of a local model by the VFL client in a training task (22) or an inference task (23); transmitting (36, 36a, 36b) at least one updated allocation instruction, an updated allocation instruction defining a reassociation of a local model to a respective VFL client, and wherein the at least one updated allocation instruction takes account of the update to the client information; and transmitting (33, 33a, 33b) model information for at least one of the local models, the model information comprising one or more of a model importance, a model size, and a model complexity, wherein the allocation instructions and/or the at least one updated allocation instruction take account of the model information.

The invention relates to a method, implemented by computer means of a telecommunication device , for inserting reference signals, said telecommunication device comprising a modulator, said method comprising: obtaining a sequence of signal samples, by inserting reference signals according to at least one reference signal pattern within a sequence of data samples ; feeding said modulator with signal blocks obtained from said sequence of signal samples wherein: the positions, in said sequence of signal samples, of the reference signals inserted according to each of said at least one reference signal pattern are a proper subset of a finite arithmetic progression ; said proper subset comprises at least three terms of the finite arithmetic progression, said at least three terms comprising the initial term of the finite arithmetic progression, and the final term of the finite arithmetic progression.

A ray-based detection system for detecting a wave blocking content within an environment (E) in based on ray-tracing. The system suits for detecting presence of an object or a human in the environment, in particular for safety of security applications. Two alternative implementations are provided for inferring the presence of the object or human from sensed waves. The system also allows distinguishing between several postures of the detected human. The waves implemented by the ray-based detection system may be radio waves, acoustic waves or laser-emitted waves.

Embodiments of this application provide a method and system for operating an HVAC system, particularly in systems comprising heat pumps and thermal energy storage (TES) devices. The method includes: dividing an operational period into a number of sub-periods, where each sub-period represents a distinct portion of the operational period; obtaining information for operating the heat pump for at least some of the sub-periods, where the information may include factors such as energy demand, weather conditions, or grid stability; determining an operational state for the heat pump for each sub-period based on the obtained information; and controlling the heat pump based on the determined operational state for each sub-period. This method ensures efficient and robust operation of the system through the control of the heat pump by determining its operational state.

An orbital analysis unit (431) of a collision avoidance assist business device identifies a mega-constellation satellite group formed in an orbital altitude which the mega-constellation satellite group is anticipated to pass during a flight of an unsteady-operation space object. An announcement unit (432) of the collision avoidance assist business device announces a danger alarm and orbital information of the unsteady-operation space object, to a mega-constellation business device which manages the mega-constellation satellite group. A collision analysis unit (411) of a satellite mega-constellation business device analyzes collision of the unsteady-operation space object with an individual satellite constituting the mega-constellation satellite group. A countermeasure formulating unit (412) of the satellite constellation business device formulates a collision avoidance countermeasure when collision is predicted.

A debris removal satellite (300) includes a capture device (135), a thruster (341) of a chemical propulsion method, and a propellant tank (342) to store chemical fuel. A solar array wing (371) is operable in an orbit at an orbital altitude higher than a congested orbit region congested with satellites forming a satellite constellation. The debris removal satellite (300) is built in advance for future use as a satellite to be launched, and when a debris intrusion alarm to give a warning about intrusion of debris into the congested orbit region is issued, propellant is loaded into the propellant tank and the debris removal satellite is launched by a rocket built in advance for future use as a launch rocket. The debris removal satellite (300) captures capture-target debris at an orbital altitude higher than the congested orbit region, and operates a propulsion device (134) with the capture-target debris being captured, so as to prevent the capture-target debris from intruding into the congested orbit region.

An equalization optimizer (300) analyzes successive samples of at least one channel-related parameter (Pc) so as to determine contribution values of one or more time-reference classes representative of timescales of impact of channel impairments on response of an optical channel. The equalization optimizer (300) obtains environmental conditions data (Ed) representing environmental conditions at which equalization-related operations have to be performed. The equalization optimizer (300) performs channel inference so as to determine a contribution value for one or more remaining time-reference classes among said time-reference classes by relying on information learnt (Ld) from another channel in similar environmental conditions. The equalization optimizer (300) determines a value of at least one equalization-related parameter (Pe) according to the contribution values of the time-reference classes, and configures the equalization-related operations in accordance.

A method (60a) for determining assistance information for transmitting an upcoming data packet (j) via a route in a delay tolerant network including at least one contact (C₁-C₄) linking two routing entities (A-E),the method (60a) comprising:(S60) obtaining data related to the contact (C₁-C₄),(S611, S621) obtaining data related to the transmission of a data packet (i, j) among the upcoming data packet (j) and an ongoing data packet (i),based on at least said data related to the transmission of the data packet, (S612, S624) splitting the contact, said splitting resulting in at least first and second split contact (C_3a, C_3a*, C_3b, C_3b*) linking said two routing entities (A-E),(S614, S626) determining the assistance information, including at least data related to the first split contact and the second split contact (C_3a, C_3a*, C_3b, C_3b*).

An equalization optimizer analyzes (S401) successive samples of at least one channel-related parameter Pc so as to determine contribution values of time-reference classes representative of timescales of impact of channel impairments on response of an optical channel. The equalization optimizer determines (S402) a value of at least one equalization-related parameter Pe according to the contribution values of the predetermined time-reference classes and configures (S403) equalization-related operations in accordance. The equalization optimizer reviews (S404) the contribution value of each time-reference class at a rate of the timescale corresponding to the time-reference class in question, and updates (S406) accordingly the at least one equalization-related parameter Pe so that a part thereof which depends on the time-reference class in question is only updated, and the equalization optimizer reconfigures (S407) the equalization-related operations in accordance.