There is provided a technology relating to making it possible to operate a mobile communications system at lower cost. A relay apparatus includes a processor and a storage unit, wherein the processor is configured to implement the following by executing a program stored in the storage unit: a first communication unit that receives uplink data associated with first identification information from a base station; a division integration unit that determines to transmit the uplink data to the mobile network associated with the first identification information among a plurality of mobile networks; a converter that converts a first parameter, which is included in the uplink data received from the base station, into a second parameter on the basis of the first identification information; and a second communication unit that transmits the uplink data including the second parameter to the mobile network associated with the first identification information.

A wireless communication system includes a first communication device and a second communication device. The second communication device captures over-the-air a mmWave RF signal of a specified frequency having a defined pilot tone transmitted by the first communication device. The second communication device extracts at least one RF signal from a plurality of RF signals corresponding to different communication protocols from the captured mmWave RF signal, estimates phase-noise in the at least one extracted RF signal, and down-converts the at least one extracted RF signal to a source frequency. The second communication device further reduces the phase noise in the at least one extracted RF signal concurrently at the down-convert and utilizes the at least one extracted RF signal with reduced phase noise for further distribution to one or more end-user devices.

An ultrawideband radio transceiver/repeater provides a low cost infrastructure solution that merges wireless and wired network devices while providing connection to the plant, flexible repeater capabilities, network security, traffic monitoring and provisioning, and traffic flow control for wired and wireless connectivity of devices or networks. The ultrawideband radio transceiver/repeater can be implemented in discrete, integrated, distributed or embedded forms.

A device for a relay transceiver in a mobile communication system, which includes a base station transceiver and a packet data network interface, includes at least one transceiver module configured to communicate with at least one mobile transceiver and with the base station transceiver. The device further includes a control module configured to determine, on the basis of a data packet received by the at least one mobile transceiver, information about a quality criterion of a service associated with the data packet, and to establish, on the basis of the information about the quality criterion, a data connection to the packet data network interface via the base station transceiver.

The present invention generally relates to a random access method and apparatus based on analog network coding for a satellite network and, more particularly, to technology that combines analog network coding with random access, thus guaranteeing high channel usage efficiency upon utilizing the technology for a satellite positioning/communications convergence system. For this, a random access apparatus based on analog network coding for a satellite network according to an embodiment of the present invention includes a received signal determination unit, a data packet transmission unit, a reserved slot decision unit, a response message reception unit, and a data packet decoding unit.

A data transmission method of a source node in a cooperative communication system includes: performing a beamforming to a relay node; transmitting data to the relay node; performing a beamforming to a destination node; and transmitting data to the destination node.

An ultrawideband radio transceiver/repeater provides a low cost infrastructure solution that merges wireless and wired network devices while providing connection to the plant, flexible repeater capabilities, network security, traffic monitoring and provisioning, and traffic flow control for wired and wireless connectivity of devices or networks. The ultrawideband radio transceiver/repeater can be implemented in discrete, integrated, distributed or embedded forms.

An origination device (e.g., a base station) combines and encodes first user data and second user data, having similar QoS requirements, to generate a multiuser packet. In some cases, the origination device dual-encodes the multiuser packet. The multiuser packet is transmitted to one or more signal forwarding devices that each serve at least one of the users associated with the data contained in the multiuser packet. The signal forwarding device decodes the multiuser packet to obtain the first and second user data. The signal forwarding device transmits at least one portion of the multiuser packet, as single-encoded signals, to one or more appropriate destination devices (e.g., UE devices).

Methods and devices for propagating transactions in a network of nodes, each node having one or more connections to other nodes. The method includes determining that one of the nodes is a bottleneck for propagation of transactions; receiving, over a first time period, a plurality of new transactions from one or more first nodes in the network of nodes; combining the plurality of new transactions using network coding and a local encoding vector to generate a message; and sending the message and a global encoding vector to one or more second nodes in the network of nodes instead of sending the plurality of new transactions to the one or more second nodes. The network may be a blockchain network.

A device may include a processor, a receiver, and a transmitter. The receiver may be configured to receive a content signal. The transmitter may be configured to transmit the content signal. The transmitter may be configured to transmit an associated inaudible signal. The content signal, the associated inaudible signal, or both, may be transmitted to one or more electronic devices. Each of the one or more electronic devices may be configured with audio interfaces. The receiver may be configured to receive a respective message from each of the one or more electronic devices. Each respective message may be based on the associated inaudible signal. Each respective message may include a respective electronic device identifier. The transmitter may be configured to transmit one of the respective messages.