Abstract: A double-deck rail vehicle and a vehicle body thereof are provided. An underframe (11) of the vehicle body comprises a lower-layer underframe (111), end underframes (112, 115), sealing plates (114, 116), and side underframes (118, 119); wherein the lower-layer underframe is provided with an underframe middle beam (1111); the end underframe is fixedly connected to the underframe middle beam by means of reinforcement middle beams (113, 117); the sealing plate is fixedly connected between the end underframe and the lower-layer underframe; and the side underframe comprises side beams (1181, 1191) of the side underframe that are integrated, and the side underframe is fixedly connected to the end underframe by means of the side beams of the side underframe. The vehicle body supplements the reinforcement middle beams capable of increasing the connection strength between the end underframe and the lower-layer underframe, and uses the integrated side beams of the side underframe.

Abstract: Example edge serves and communication methods are described. One example edge server is arranged at an edge between a first local area network and a wide area network, wherein the edge server includes a communicator configured to allow communication between devices connected to the first local area network and devices connected to the wide area network. The communicator is further configured to store and process data provided by the first local area network using big data algorithms locally. The edge server further includes an interlinker configured to allow communication between the devices connected to the first local area network and devices connected to a second local area network supported by another edge server, wherein the another edge server is arranged at the edge between the second local area network and the wide area network.

Abstract: The invention relates to an edge server (140a) for being arranged at the edge between a first local area network (110a) and a wide area network (180), wherein the edge server (140a) comprises: a communicator (141a) configured to allow communication between the devices (111a, 113a) connected to the first local area network (110a) and devices (111b) connected to the wide area network (180), wherein the communicator (141a) is further configured to store and process data provided by the first local area network (110a) using big data algorithms locally; and an interlinker (143a) configured to allow communication between the devices (111a, 113a) connected to the first local area network (110a) and devices (111b) connected to a second local area network (110b) supported by another edge server (140b), wherein the other edge server (140b) is arranged at the edge between the second local area network (110b) and the wide area network (180).

Abstract: The present invention provides a base station 100 for receiving vehicle control information and/or traffic state information from a vehicle control unit 400, preferably connected to the base station 100. The base station comprises a base band unit 101, and at least one interface 102, wherein the base band unit 101 is connected to the at least one interface 102, and wherein the at least one interface 102 is configured to communicate with at least one application processing unit 103 for processing the vehicle control information and/or the traffic state information in the at least one application processing unit 103, and to receive a result of the processing from the at least one application processing unit 103. The base station 100 is further configured to forward the result of the processing to the vehicle control unit 400.

Abstract: The invention relates to an edge server (140a) for being arranged at the edge between a first local area network (110a) and a wide area network (180), wherein the edge server (140a) comprises: a communicator (141a) configured to allow communication between the devices (111a, 113a) connected to the first local area network (110a) and devices (111b) connected to the wide area network (180), wherein the communicator (141a) is further configured to store and process data provided by the first local area network (110a) using big data algorithms locally; and an interlinker (143a) configured to allow communication between the devices (111a, 113a) connected to the first local area network (110a) and devices (111b) connected to a second local area network (110b) supported by another edge server (140b), wherein the other edge server (140b) is arranged at the edge between the second local area network (110b) and the wide area network (180).

Abstract: The present invention provides a base station 100 for receiving vehicle control information and/or traffic state information from a vehicle control unit 400, preferably connected to the base station 100. The base station comprises a base band unit 101, and at least one interface 102, wherein the base band unit 101 is connected to the at least one interface 102, and wherein the at least one interface 102 is configured to communicate with at least one application processing unit 103 for processing the vehicle control information and/or the traffic state information in the at least one application processing unit 103, and to receive a result of the processing from the at least one application processing unit 103. The base station 100 is further configured to forward the result of the processing to the vehicle control unit 400.

Abstract: A technique including selecting as a coordinating entity one entity from a plurality of radio access network entities each capable of both coordinating a multi-cell transmission and following the coordination by another entity of a multi-cell transmission; deciding at said selected radio access network entity on physical parameters for a multi-cell transmission; and distributing physical parameter information about said multi-cell transmission from said coordinating entity to others of said plurality of radio access network entities.

Abstract: The invention provides methods, a network device and radio station for spectrum resource allocation in a network employing spectrum sharing among at least a primary and secondary system, including scanning, by a network device of the secondary system, a specific frequency range of a candidate band of the primary system, estimating, by the network device, interference level on the scanned candidate band of the primary system, determining position of the network device, and transmitting the estimation result to a radio station of the secondary system.

Abstract: In a method for wireless communication, a receiver receives a first signal at a first radio frequency and determines the reception level of the first signal. The receiver receives data during a reception level of the first signal at the first radio frequency. The receiver decides, based on the determined reception level, whether at least one measurement is to be taken on a second signal transmitted at a second radio frequency. A radio station carries out the method.

Abstract: Authorization data is sent to radio stations so that the radio stations are temporarily authorized, by way of the authorization data, to communicate using radio access technology. Messages can be transmitted between a first radio station and a second radio station via a path that runs via one or more additional radio stations. The authorization data is sent such that, while a message is transmitted via the path using radio access technology, at any point in time a subset of adjacent radio stations on the path are authorized to communicate using radio access technology.

Abstract: A technique including selecting as a coordinating entity one entity from a plurality of radio access network entities each capable of both coordinating a multi-cell transmission and following the coordination by another entity of a multi-cell transmission; deciding at said selected radio access network entity on physical parameters for a multi-cell transmission; and distributing physical parameter information about said multi-cell transmission from said coordinating entity to others of said plurality of radio access network entities.

Abstract: Data received by a first network component from a second network component is processed by a filter function according to which the whole data or a portion of the data is used.

Abstract: An item of network information pertaining to available resources, which are available for transmitting radio communication data in a multi-radio link communications system, is transmitted to network devices and/or subscriber stations by a coordination device. The item of network information assigns the available resources to groups, and the resources of different groups are assigned according to at least one common group feature.

Abstract: A method is provided for transmitting data to user equipments, a communication system, a base station and a mobile station. Data is transmitted to user equipments from a first base station (BBS) and from second base stations (CBS) in a time division multiplexed manner in frames (F). Each frame (F) has a first sub-frame and a second sub-frame. The user equipments are located in cells, each cell a second base station (CBS). Data is transmitted wirelessly, during a first sub-frame of a frame, data from the first base station (BBS) to user equipments in a plurality of cells. Data is transmitted wirelessly, during the second sub-frame of the frame (F), from second base station (CBS) to at least one the plurality of user equipments. The data being transmitted from the first base station (BBS) is also transmitted by the second base station (CBS) to at least one of the plurality of cells.

Abstract: A method and a device are provided for operating at least a first radio access technology and a second radio access technology, the method including the step of: a hybrid radio frame is provided including elements of the first radio access technology and of the second radio access technology.

Abstract: The present invention relates to a method and system for data transmission in a data network. According to the method, a data packet is sent from a sender to a receiver. If a data packet is incorrectly received on the receiver, a repeat request is sent from the receiver to the sender. Upon receiving the repeat request on the sender, the data packet is resent from the sender to the receiver. After having received on the sender a predetermined number of repeat requests requesting the reseeding of the same data packet, a predetermined quantity of copies of the data packet is sent from the sender to the receiver, wherein the predetermined quantity includes at least two copies, or a predetermined quantity of additional information packets is sent from the sender to the receiver.

Abstract: An apparatus is provided, including an observing function configured to observe an indication about the coverage status of a user equipment; a deciding function configured to decide, based on the indication, to switch into a coverage extension mode; a providing function configured to provide a scaling number in dependence of the coverage extension mode; an allocating function configured to allocate, for data to be transmitted to a user equipment, a first modulation and coding scheme, a first modulation order, a first size of a transport block, and a first number of resource blocks per transport block according to an orthogonal frequency division multiplexing technology, a reducing function configured to reduce a first size per resource block, being the quotient of the first size of the transport block and the first number of resource blocks per transport block, based on the scaling number, thus obtaining a second size per resource block, being the quotient of a second size of the transport block and a second

Abstract: It is provided an apparatus, including observing means configured to observe a first parameter; deciding means configured to decide, based on the first parameter, whether or not an original search space of a downlink control channel of an orthogonal frequency division multiplex technology is to be redefined; and redefining means configured to redefine the original search space, thus obtaining a redefined search space.

Abstract: Controlling a probability that user equipment is in a power saving mode to adapt the user equipment to characteristics of a shared channel and packet service includes determining a class of the user equipment by comparing at least one data traffic requirement value and a power condition value of the user equipment with predetermined threshold values, and adjusting mode timers according to the determined class of the user equipment depending on the data traffic requirement values and depending on the power condition value of the user equipment.

Abstract: According to a method for operating a radio communication system, a first radio station decides about the assignment of first radio resources to a user terminal and thereafter assigns the first radio resources to the user terminal. Before deciding about the assignment of the first radio resources to the user terminal, the first radio station transmits information to a second radio station regarding the first radio station's future assignment of the first radio resources. Radio stations carry out the method.