Abstract: A server system in communication with a plurality of machines that form a linear communication orbit establishes a direct duplex connection between the server system and a first endpoint machine. The server system enrolls the first endpoint machine as a satellite endpoint machine, which enables the satellite endpoint machine to execute one or more function modules. Typically, the server system authenticates, via the direct duplex connection, the first endpoint machine, and, after authenticating the first endpoint machine, sends, to the first endpoint machine, an instruction for executing a function module. The server system receives a report including information obtained by the first endpoint machine executing the function module. At least one of the establishing a direct duplex connection, sending the instruction, and receiving the report includes sending or receiving a communication between the first endpoint machine and the server system via the linear communication orbit.

Abstract: The present disclosure provides an information transmission method, a UE and a network device, so as to solve the problem that the data transmission reliability is low when the UE accesses a network through a relay. The information transmission method includes transmitting duplicated data to a network device through one of: N relays, where N is a positive integer greater than or equal to 2; or an air interface between the UE and the network device as well as M relays, where M is a positive integer greater than or equal to 1.

Abstract: A setting tool is disclosed for setting an acoustic telemetry unit in tubing, such as wellbore tubing. The setting tool comprises an anchor motor for driving an expandable anchor, a control unit for controlling the anchor motor, and an acoustic receiver. The control unit is arranged to determine whether an acoustic signal is successfully received by the acoustic receiver and to control the anchor motor in dependence thereon. By providing the setting tool with the acoustic receiver and determining whether an acoustic signal is successfully received by the acoustic receiver, it can be judged whether an acoustic signal from another acoustic telemetry unit in the tubing can be successfully received by the acoustic telemetry unit which is being set. This may facilitate deployment of a repeater unit at an optimum distance from another acoustic telemeter unit which is already in the tubing.

Abstract: A relay selection method and device for a sidelink, a storage medium and a terminal are provided. The sidelink is a communication link between a first terminal and a second terminal, and the method includes: receiving a first message, wherein the first message includes a first candidate relay set including at least one first candidate relay, quality of a first link between the first terminal and the at least one first candidate relay reaches a preset threshold; selecting a preferred relay from the first candidate relay set based on quality of a second link between the second terminal and the at least one first candidate relay in the first candidate relay set; and determining the preferred relay as a relay of the first terminal and the second terminal on the sidelink.

Abstract: Flat RF tiles for multiple band electrical steerable antennas. To improve an antenna system for a communication between a vehicle and a satellite, a planar antenna array for multiple band satellite communication includes an array of flat RF tiles. Each RF tile includes a structure of antenna elements, wherein a first antenna element arrangement is configured to radiate in an uplink and downlink portion of a first satellite communication frequency band and a second antenna element arrangement is configured to radiate in an uplink and downlink portion of a second satellite communication frequency band.

Abstract: A mode switching method for a broadcast service is provided. A trigger instruction is determined when switching of a broadcast mode is to be performed. The trigger instruction is configured to instruct switching of the broadcast mode of a terminal. The trigger instruction is transmitted to an access network device to enable the access network device to transmit a switching request to a functional network element. The switching request is configured to instruct the functional network element to configure a corresponding mode parameter. The mode parameter is configured to instruct the access network device to update an execution parameter, to obtain a configuration parameter and to transmit the configuration parameter to the terminal. Switching to a corresponding broadcast mode is performed according to the configuration parameter to establish a wireless connection with the access network device.

Abstract: A first wireless device transmits one or more transmissions for a second wireless device to a repeater for repetition to the second wireless device; adjusts a repeater operation based on a phase noise in transmission between the first wireless device and the repeater; and communicates with at least one of the repeater or the second wireless device based on the adjusted repeater operation. A repeater receives from a first wireless device, a request for the repeater to report a phase noise in transmissions between the first wireless device and the repeater for repetition with a second wireless device; and transmits a report of the phase noise to the first wireless device based on the request. A repeater receives, from a first wireless device, a transmission for repetition with a second wireless device; and transmits the repetition of the transmission to the second wireless device with a phase noise compensation.

Abstract: An unmanned aerial vehicle (UAV) uses a first baseband processor to establish a first communication link with a ground station of a wireless network and a second baseband processor that establishes a second communication link with a user device. Communication data is routed between the user device and the core network through the first communication link and the second communication link. The UAV receives control commands from a ground-based UAV controller that direct the UAV to travel according to a flight trajectory that is proximate to the user device.

Abstract: Systems, methods, and instrumentalities are disclosed for a WTRU to act as a mobile relay, the method comprising the WTRU connecting to the network, the WTRU receiving a message from the network indicating that the WTRU is to act as a mobile relay for one or more devices outside of the coverage of the network, the WTRU discovering one or more devices outside of the coverage of the network, and the WTRU receiving a message from the out-of-coverage device that indicates that the out-of-coverage device has selected the WTRU to act as a mobile relay.

Abstract: Radio communications systems use 100 to 200 satellites in random low-earth orbits distributed over a predetermined range of north and south latitudes. The satellites themselves create a radio route between ground stations via radio links between multiple satellites by virtue of onboard global navigation satellite system circuitry for determining the location of the satellite and route creation circuitry for calculating in real time the direction from the satellite's location at a particular instant to a destination ground station. Directional antennas in the satellites transmit routing radio signals to enhance the probability of reception by other satellites. One embodiment facilitates the creation of satellite-to-satellite links by assigning each satellite a unique identifier, storing orbital information defining the locations of all of the orbiting satellites in the system at any particular time, and including in the radio signal the unique identifier associated with the transmitting satellite.

Abstract: A radio communication system for transmitting data to a ground station includes plural stochastically distributed orbiting satellites with plural antennas traversing a portion of the earth's surface divided into zones. The ground station has a unique address identifying itself and the zone where it is located. A local area network associated with the ground node includes at least one satellite that stores the identity of a satellite antenna paired with a ground station antenna to form a radio link for transmitting data onboard the satellite to the ground station. Other satellites in the local area network store the ground node address and the identity of an antenna paired with an antenna in another satellite that also has stored the ground node address. A wide area network includes at least one satellite, each of which stores the identity of an antenna paired with an antenna of another satellite that has stored the ground node zone to form at least one inter-satellite radio link.

Abstract: A system for 5G radio access networks, that enables smart RF signal repeater devices to perform many of the functions of a 5G base station to extend millimeter wave coverage for 5G communication networks while reducing costs, increasing versatility and optimizing coverage for user devices (UEs). The devices may include outdoor network repeaters and indoor subscriber repeaters, and other mmWave network transmitter devices in a mmWave network. Different types of 5G wireless communication networks may be employed including Open Radio Access Network (O-RAN), and Next Gen Radio Access Network (NG-RAN).

Abstract: A method, device and system for creating resources during a user equipment (UE) hands over from a non-3rd Generation Partnership Project (non-3GPP) system to a 3GPP system are provided. A serving gateway (Serving GW) receives a first resource request message, such as Create Default Bearer Request message, including handover indication information indicating the handover from a mobility management network device, e.g., a MME. As the received resource request message includes the handover indication information, the Serving GW includes the handover indication information in a second resource request message and then sends the second resource request message to a PDN GW. After receiving the second resource request message, the PDN GW policy and charging control (PCC) rules to be used by the UE in the 3GPP access system so as to create the resources used by the UE in the 3GPP system.

Abstract: A method for an infrastructure equipment of a wireless telecommunications network, the wireless telecommunications network comprising a base station and a non-terrestrial network part, the non-terrestrial network part transmitting one or more beams to provide a wireless access interface for transmitting signals to and receiving signals representing data from a communications device within a coverage region of a cell or a spot beam, the method comprising: determining a location of the communications device, determining the coverage region of the cell or the spot beam, determining a relative motion, relative to the communications device, of the coverage region of the cell or the spot beam, and based on the location and the relative motion, initiating a cell change of the communications device.

Abstract: The present invention relates to satellite systems and more particularly, to the provision of a satellite system and method for communications applications, with global coverage. An optimal method of providing global broadband connectivity has been discovered which uses two different LEO constellations with inter-satellite links among the satellites in each constellation, and inter-satellite links between the constellations. The first constellation is deployed in a polar LEO orbit with a preferred inclination of 99.5 degrees and a preferred altitude of 1000 km. The second constellation is deployed in an inclined LEO orbit with a preferred inclination of 37.4 degrees and a preferred altitude of 1250 km.

Abstract: A method performed by a network node (160) includes serving a cell area by a first physical network node for a first time duration. The first physical network node uses an identifier of a logical network node. For a second time duration, the cell area is served by a second physical network node. The second physical network node uses the identifier of the logical network node. The first physical network node serves the cell area with a first frequency band and the second physical network node serves the cell area with a second frequency band.

Abstract: Provided is a transmission bandwidth configuration method. The method includes: configuring a first channel bandwidth (CB) of a carrier; and in response to determining that the first CB is greater than a first preset bandwidth, configuring subcarriers in a first TBC according to a preset percentage X of the first TBC in the first CB and the first CB, so as to complete a subcarrier configuration in a transmission bandwidth configuration. The preset percentage X is within a range of [a preset lower limit value, a preset upper limit value], the preset lower limit value is greater than 90% and the preset upper limit value is less than 100%. Also provided is a transmitting node.

Abstract: A disclosure of this specification provides a method for radio communication, performed by user equipment (UE). The method is comprising: connecting to a non-terrestrial network (NTN) satellite serving a targeted service area via a service link, wherein the NTN satellite is connected to a gateway via a feeder link; receiving, from the NTN satellite, information on service time of a serving cell; starting to perform neighbor cell measurement at a time point before end of the service time of the serving cell by a certain time, regardless of whether a cell quality of the serving cell meets a cell selection criterion S, wherein the NTN satellite provides an earth fixed system, wherein the information on the service time includes information on when the serving cell is going to stop serving the targeted service area, wherein the information on the service time is provided based on a Coordinated Universal Time.

Abstract: The present invention is designed to reduce the time it takes to form adequate beams, in communication using beamforming. According to one aspect of the present invention, a user terminal has a receiving section that, using temporally orthogonal radio resources, forms receiving beams and receives reference signals that are transmitted in different transmitting beams respectively, a measurement section that performs measurements based on the reference signals, and a control section that controls the forming of the receiving beams so that at least one of the reference signal is received in a given period set.

Abstract: A wireless communication system includes a wireless sensor provided inside a metal housing; a receiver provided outside the metal housing to receive radio waves from the wireless sensor; and a passive repeater provided between the inside and the outside of the metal housing. The passive repeater includes a receiving antenna provided inside the metal housing and a transmitting antenna provided outside the metal housing. The receiving antenna of the passive repeater and the transmitting antenna of the passive repeater are electrically connected through a hole formed in the metal housing.

Abstract: This communication device relays a relay signal to be transmitted to and from a first communication device and a second communication device, and is connected to a first apparatus. The communication device transmits the relay signal using a first transmission slot, and also transmits, using a second transmission slot, a signal having been transmitted from the first apparatus, said signal being transmitted within the transmission period of the first transmission slot in a frequency domain different from that of the first transmission slot.

Abstract: A vehicle-mounted device collects and transmits sensor data to an external apparatus, a buffer unit that stores the sensor data. A determination unit that determines whether or not a predetermined condition is satisfied, and a controller that controls transmission of the sensor data by the transmitter to the external apparatus. The controller causes the transmitter to stop transmitting the sensor data collected by the collector to the external apparatus when the determination unit determines that the predetermined condition is satisfied, and causes, when a determination result obtained by the determination unit changes to indicate that the predetermined condition is not satisfied after the determination unit determines that the predetermined condition is satisfied, the transmitter to concurrently transmit the sensor data stored in the buffer unit to the external apparatus while giving priority to sensor data with a shorter delay time based on priority levels according to delay time.

Abstract: In a repeater device: a communication device receives position information of a forwarding source device and a forwarding destination device using a first communication scheme; based on the position information of the forwarding source device, a moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding source device using a second communication scheme; the communication device receives data from the forwarding source device using the second communication scheme; a storage device stores the data; based on the position information of the forwarding destination device received by the communication device, the moving mechanism moves the repeater device to a position at which it is capable of communicating with the forwarding destination device using the second communication scheme, and the communication device transmits the data stored in the storage device to the forwarding destination device using the second communication scheme.

Abstract: Systems, methods, and non-transitory media are provided for low latency handovers. An example method can include receiving, by a user terminal associated with a cell served by a satellite, a schedule of communications between the user terminal and one or more satellites; requesting, based on the schedule, a handover from a beam of the satellite to a different beam of one of the satellite or a different satellite; processing packets transmitted over the beam of the satellite and/or the different beam of the one of the satellite or the different satellite; performing the handover from the beam of the satellite to the different beam of the one of the satellite or the different satellite; and after the handover, transmitting, by the user terminal, one or more packets via the different beam of the one of the satellite or the different satellite.

Abstract: A method for operating an infrastructure equipment forming part of a wireless communications network is provided. The infrastructure equipment is a non-terrestrial network part of the wireless communications network configured to transmit one or more spot beams to provide a wireless access interface for transmitting signals to and receiving signals representing data from a communications device within a coverage region of a cell or one of the spot beams, the spot beam forming a cell. The method comprises broadcasting system information for receipt by the communications device, the system information including information relating to at least one of a cell or a spot beam of a neighbouring infrastructure equipment and a second spot beam of the infrastructure equipment, wherein the system information is broadcast in accordance with at least one predetermined condition.

Abstract: A system, in a programmable active reflector (AR) device associated with a first radio frequency (RF) device and a second RF device, receives a request and associated metadata from the second RF device via a first antenna array. Based on the received request and associated metadata, one or more antenna control signals are received from the first RF device. The programmable AR device is dynamically selected and controlled by the first RF device based on a set of criteria. A controlled plurality of RF signals is transmitted, via a second antenna array, to the second RF device within a transmission range of the programmable AR device based on the associated metadata. The controlled plurality of RF signals are cancelled at the second RF device based on the associated metadata.

Abstract: Methods, systems and devices for resource reservations for relay nodes in 5G and New Radio (NR) networks are described. An exemplary method for wireless communication includes performing a first set of communications between a first relay node and at least one parent of the first relay node using transmission resources that are determined by at least a first type of resources, and performing a second set of communications between the first relay node and at least one child node of the first relay node using transmission resources that are determined by at least a second type of resources. Another exemplary method for wireless communication includes receiving a slot format message from a parent of the first relay node, where the slot format message is effective in a time offset, which is based on a hop index of the first relay node.

Abstract: A system, in a programmable active reflector (AR) device associated with a first radio frequency (RF) device and a second RF device, receives a request and associated metadata from the second RF device via a first antenna array. Based on the received request and associated metadata, one or more antenna control signals are received from the first RF device. The programmable AR device is dynamically selected and controlled by the first RF device based on a set of criteria. A controlled plurality of RF signals is transmitted, via a second antenna array, to the second RF device within a transmission range of the programmable AR device based on the associated metadata. The controlled plurality of RF signals are cancelled at the second RF device based on the associated metadata.

Abstract: A mobile wireless device includes a wireless communication component, a mobility component configured to adjust a spatial placement of the mobile wireless device, a navigation circuit coupled to the mobility component, and an image sensor communicatively coupled to the wireless communication component. The navigation circuit is configured to control the mobility component to cause movement of the mobile wireless device through the space. The wireless communication component is to transmit image data via a wireless network as the mobile wireless device moves through the space.

Abstract: A system, in a programmable active reflector (AR) device associated with a first radio frequency (RF) device and a second RF device, receives a request and associated metadata from the second RF device via a first antenna array. Based on the received request and associated metadata, one or more antenna control signals are received from the first RF device. The programmable AR device is dynamically selected and controlled by the first RF device based on a set of criteria. A controlled plurality of RF signals is transmitted, via a second antenna array, to the second RF device within a transmission range of the programmable AR device based on the associated metadata. The controlled plurality of RF signals are cancelled at the second RF device based on the associated metadata.

Abstract: This application proposes multi-beam antenna systems using spherical lens are proposed, with high isolation between antenna ports and compatible to 2×2, 4×4, 8×8 MIMO transceivers. Several compact multi-band multi-beam solutions (with wideband operation, 40%+, in each band) are achieved by creating dual-band radiators movable on the track around spherical lens and by placing of lower band radiators between spherical lenses. By using of secondary lens for high band radiators, coupling between low band and high band radiators is reduced. Beam tilt range and side lobe suppression are improved by special selection of phase shift and rotational angle of radiators. Resultantly, a wide beam tilt range (0-40 degree) is realized in proposed multi-beam antenna systems. Each beam can be individually tilted. Based on proposed single- and multi-lens antenna solutions, cell coverage improvements and stadium tribune coverage optimization are also achieved, together with interference reduction.

Abstract: A user equipment (UE) is configured to monitor control channels for a paging identity and in response to detecting a paging identity from a network node, to recover a shared channel allocation from a control channel from the control channels having the detected paging identity. A UE is further configured to receive a shared channel based on the shared channel allocation and to recover a paging message for the UE from the received shared channel, when the UE is in a second state different than an idle state, the paging message having a radio network temporary identifier (RNTI) assigned to the UE from a base station, the UE in the second state has a radio access network connection.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for bandwidth allocation using machine learning. In some implementations, a request for bandwidth in a communications system is received. Data indicative of a measure of bandwidth requested and a status of the communication system are provided as input to a machine learning model. One or more outputs from the machine learning model indicate an amount of bandwidth to allocate to the terminal, and bandwidth is allocated to the terminal based on the one or more outputs from the machine learning model.

Abstract: According to the present invention, there is provided a signal routing method, performed by a processing module, for configuring transmission of a signal through a communications constellation comprising a plurality of assets, comprising: receiving an instruction to transmit a signal from a transmitter ground station associated with the processing module to a receiver ground station via the communications constellation, requesting and obtaining connection data from a network management module defining the available connections between assets in the communications constellation, determining, using the obtained connection data, a sequence of a plurality of assets representing an optimum route through the communications constellation for transmission of the signal from the transmitter ground station to the receiver ground station, and transmitting the signal from the processing module to the transmitter ground station.

Abstract: A ground station has a power management communication system for use with a satellite having one or more solar cells that generate solar power, an energy storage that collects solar power from the one or more solar cells and provides stored energy, and one or more electronic components. The power management communications system has a learning artificial intelligence algorithm that allocates solar power from the one or more solar cells and stored energy from the energy storage to the one or more electronic components, based on a number of factors including communication needs, adjustable parameters, and performance indicators. The user can indicate the desired communication to be achieved, and the system determines the appropriate operating parameters for the satellite.

Abstract: Provided are a method and a device for performing communication using a non-orthogonal code multiple access scheme in a wireless communication system. A terminal divides a terminal identifier into a first field, a second field, a third field and a fourth field and selects a first reference signal based on the first field and a maximum number of reference signals, a second reference signal based on the second field and the maximum number of reference signals, a third reference signal based on the third field and the maximum number of reference signals, and a fourth reference signal based on the fourth field and the maximum number of reference signals. Based on the first reference signal, the second reference signal, the third reference signal or the fourth reference signal, the terminal transmits contention-based data to a base station.

Abstract: To provide a management server capable of changing conditions corresponding to delay requirements according to a change in wireless communication environment, a management server (10) according to the disclosure includes an update unit (11) configured to update any one of an uplink allowable delay associated with an uplink flow sent from a source communication terminal to an application server and a downlink allowable delay associated with a downlink flow sent from the application server to a destination communication terminal by using a delay of an end-to-end flow sent from the source communication terminal to the destination communication terminal through the application server and an allowable delay associated with the end-to-end flow, and a communication unit (12) configured to send the updated uplink allowable delay or the updated downlink allowable delay to a wireless access node that performs resource scheduling by using an uplink allowable delay or a downlink allowable delay.

Abstract: An electronic control device acquires at least one of subject vehicle information, surrounding environment information, and road information, detects an abnormality that has occurred in a vehicle during an autonomous driving based on a first travel plan, identifying a cause of the abnormality based on at least one of a content of the abnormality, the subject vehicle information, the surrounding environment information, and the road information, determines a situation around the vehicle based on at least one of the subject vehicle information, the surrounding environment information, and the road information, determines a target stop position for stopping the vehicle in a stoppable location based on the cause of the abnormality and the situation around the vehicle, and changes the first travel plan to a second travel plan for stopping the vehicle to the target stop position.

Abstract: The present teachings include a method and computing apparatus for triggering synchronization of a satellite modem to a carrier frequency of a beam of a satellite, retrieving ephemeris information for the satellite and beam configuration information for the beam, calculating a velocity of the satellite per the ephemeris information, and adjusting the carrier frequency of the satellite modem when communicating via the beam to compensate for a doppler offset induced in the carrier frequency by the velocity. In the method, the satellite has a satellite type selected from a Geosynchronous Earth Orbit (GEO), Medium Earth Orbit (MEO) or Low Earth Orbit (LEO) type of satellite, and the satellite type is different than a satellite type of an immediately preceding synchronization.

Abstract: Embodiments of the present invention discloses a method and an apparatus for selecting a relay in D2D communication. The method includes: determining, by a relay selection device, link quality of a first link of each candidate relay UE in a candidate relay UE list, where the candidate relay UE list includes at least one candidate relay UE, and the first link of each candidate relay UE is a radio link between each candidate relay UE and a base station; and determining target relay UE from the candidate relay UE list according to the link quality of the first link of each candidate relay UE in the candidate relay UE list, where the target relay UE is used for relaying data transmitted between first UE and the base station.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a client device may receive a discovery signal from a host device; determine whether to use a receive timing from the host device, an internal timing of the client device, or a combination of the receive timing and the internal timing to configure a reference timing; configure the reference timing, for transmission of a response to the discovery signal, using the receive timing from the host device, the internal timing of the client device, or the combination of the receive timing and the internal timing based at least in part on the determination of whether to use the receive timing, the internal timing, or the combination of the receive timing and the internal timing; and transmit the response to the host device using the configured reference timing. Numerous other aspects are provided.

Abstract: According to an aspect of the proposed technology, there is provided a method performed by a network device for enabling relayed communication in at least one direction between a first communication unit and a second communication unit in a wireless communication system. The method comprises the steps of the network device specifying a relay unit for the relayed communication, and the network device determining information for scheduling and/or configuring a first transmission of a data frame from the second communication unit to the specified relay unit and a second transmission of the data frame from the specified relay unit to the first communication unit, and the network device generating a trigger frame including the information for scheduling and/or configuring the first transmission and the second transmission.

Abstract: The disclosure provides for a system that includes a plurality of stations equipped for free-space optical communications (FSOC) in a network and a central control system. At least one station in the plurality of stations includes a wavelength selectable switch, an OEO module, and one or more first processors. The one or more first processors are configured to control the wavelength selectable switch, process an electrical signal that is extracted using the OEO module, and communicate with the central control system. The central control system includes one or more second processors that are configured to receive data regarding FSOC communication conditions at the plurality of stations, determine a path between stations through the network based on the received data, and transmit instructions to the plurality of stations.

Abstract: A communication device includes a positioning unit and a communication unit. The positioning unit obtains positioning information of the electronic device when the electronic device is turned on or off. The communication unit sends the positioning information to a base station of a communication operator of the electronic device at preset time intervals. Whether the base station has received the positioning information is determined. If the base station has not received the positioning information, the communication unit increases a transmission power for transmitting a signal and sends the high-frequency signal carrying the positioning information of the electronic device to a communication satellite.

Abstract: Described herein are devices, networks, systems, media, and methods used to collect WT information and to alter, based on or taking the collected information into consideration, one or more parameters used to control a mode of operation in which WTs decide to operate. In this way the relative portions of WTs operating in a first or second mode in one or more regions can be automatically adjusted by a network control node modifying mode of operation control parameters which are then communicated to the WTs in the region in which the modified WT mode control parameter is to be used. The wireless terminals than make a decision as to the mode of operation in which to operate using the modified mode control parameter and one or more signal measurements or other information available to the WT making the mode of operation decision.

Abstract: A handover method performed by a terminal in a non-terrestrial network may comprise transmitting a measurement report including measurement results for neighbor cells to a serving satellite base station; receiving, from the serving satellite base station, connection configuration information for at least one target base station candidate and information on an activation time when the connection configuration information for the at least one target base station candidate is activated; and performing a handover to a first target base station candidate among the at least one target base station candidate based on information received from the at least one target base station candidate at the activation time.

Abstract: There is provided determining an availability of a connection to a mobile non-terrestrial access node of a wireless communication system, determining, at the wireless device, coverage availability estimates of the mobile non-terrestrial access node, and determining at the wireless device, if the determined coverage availability estimates indicate a periodic coverage of the mobile non-terrestrial access node, a power save mode or one or more connection attempts to the mobile non-terrestrial access node, on the basis of a time period according to a periodicity of the determined coverage availability estimates.

Abstract: A communication system for an altitude changing object is provided. The communication system can include an antenna system having one or more antennas. The one or more antennas can be associated with a single fixed radiation pattern. The communication system can include one or more processors configured to execute a control routine to perform operations. The operations can include obtaining data indicative of one or more communication parameters associated with the altitude changing object. The operations can include determining a transmit power for each of the one or more antennas based at least in part on the one or more communication parameters. The operations can include controlling the antenna system based at least in part on the transmit power to communicate with a node in the communication network.

Abstract: A cubesat communication system implementing addressable data packet for transmitting information collected by the cubesat to one or more receive-only ground stations. The cubesat may transmit information to the receive-only ground stations according to a scheduler. The receive-only ground stations may receive information from the cubesat without sending any commands to the cubesat to prompt transmission and re-transmit to a central common station using a bent pipe streaming protocol. Information between the cubesat and the ground station may be transmitted via a connectionless, datagram network protocol.

Abstract: A radio communication system for transmitting data to a ground station includes plural stochastically distributed orbiting satellites with plural antennas traversing a portion of the earth's surface divided into zones. The ground station has a unique address identifying itself and the zone where it is located. A local area network associated with the ground node includes at least one satellite that stores the identity of a satellite antenna paired with a ground station antenna to form a radio link for transmitting data onboard the satellite to the ground station. Other satellites in the local area network store the ground node address and the identity of an antenna paired with an antenna in another satellite that also has stored the ground node address. A wide area network includes at least one satellite, each of which stores the identity of an antenna paired with an antenna of another satellite that has stored the ground node zone to form at least one inter-satellite radio link.