Abstract: A system and method of correcting the trajectory of a hunting arrow is disclosed and described. The arrow can include a compensator coupled to a shaft of the arrow and the compensator has diameter that is larger than a diameter of the shaft of the arrow. A thickness of the compensator, which is measured as the difference in the diameter of the compensator and the diameter of the shaft of the arrow, is configured to enable a user to aim the arrow with a bow that has been sighted for a standard arrow.

Abstract: A system and method of transmitting data from an aircraft includes a PC card that acquires aircraft data and transmits the aircraft data over a radio frequency communications signal into the skin of the aircraft, which radiates the radio frequency communications signal to a location remote from the aircraft.

Abstract: A status switching method for a mobile device is disclosed. The status switching method includes receiving a first request for switching a radio function of the mobile device from a first status to a second status; keeping the radio function in the first status for a specific duration; switching the radio function to the second status if not receiving a second request for switching the radio function of the mobile device from the second status to the first status during the specific duration; and remaining the radio function in the first status if receiving a second request for switching the radio function of the mobile device from the second status to the first status during the specific duration; and switching the radio function to the first status.

Abstract: A system provides GSM service over distributed mobile networks. A Network Area Controller (NAC) allows Global Titles (GT) and Mobile Station Roaming Numbers (MSRN) of the GSM network to be shared within a private GSM network. A processor within the Mobile Switching Center (MSC) of a mobile network transcodes voice data and maps the data to the proper bearer QoS to allow the use of Mobile Satellite Services (MSS) such as Iridium and Inmarsat.

Abstract: Radiocommunication system for aircraft. The radiocommunication system (S1) comprises a single box and, integrated into this single box, at least one single main interface module (7), which is formed in such a way as to carry out the processing of the interfaces of all the radiocommunication means (3 to 6) of said radiocommunication system (S1).

Abstract: The invention refers to a base station (BTS) and a method for a BTS, for a cellular communication system comprising a user equipment (UE) onboard an aircraft, when at a predetermined altitude, and a terrestrial network. The invention is characterised in that the BTS is arranged to be an airborne onboard BTS comprising a screening device generating a first signal (S1) matched to screen a second signal (S2) from the terrestrial network at a predetermined altitude. The onboard BTS also comprises a signal generator generating a third signal (S3) stronger than both the first signal (S1) and the second signal (S2), the onboard BTS arranged to establish a communication link with the UE via the third signal (S3).

Abstract: The present disclosure pertains to a transmitter for waking up electronic systems with a first signal generator which is designed to generate a carrier signal with a first frequency, a second signal generator which is designed to generate an informational signal with a second frequency, a single-sideband modulator which is designed to modulate the information signal by the carrier signal, and a transmission device which is designed to emit the generated carrier signal and the modulated information signal. The present disclosure also pertains to a receiver, an aircraft and spacecraft and a method.

Abstract: An apparatus is provided to include a detector. The detector can detect that an interfering communications connection to a received satellite system signal in a mobile terminal is to be established by the mobile terminal. The apparatus include a processor that can prevent interference to the received satellite system signal due to the interfering communications connection by controlling uplink resource allocation of the mobile terminal based on the detection.

Abstract: A system and method of transmitting sensor signals in a waveguide environment are provided. A sensor assembly is configured to wirelessly receive a sensor interrogation signal, determine an input power level of the sensor interrogation signal, and transmit a message including the determined power level. The system also includes a sensor controller configured to transmit a sensor interrogation signal determine an output power of the transmitted sensor interrogation signal at a plurality of frequencies, receive an indication of the received input power level of the sensor interrogation signal from the sensor assembly at the plurality of frequencies, compare the transmitted output power of the sensor interrogation signal to the received power indication, and select a transmit frequency for transmitting messages between the sensor assembly and the sensor controller based on the comparison.

Abstract: Systems and methods are described for robust scheduling of beam switching patterns in satellite communications systems. Embodiments operate in context of a hub-spoke satellite communications architecture having a number of gateway terminals servicing large numbers of user terminals over a number of spot beams. The satellite includes switching subsystems that distribute capacity to the user beams from multiple of the gateway terminals in a shared manner according to a beam group switching pattern. The beam group switching pattern is robustly formulated to continue distributing capacity during gateway outages (e.g., when one or two gateway terminals are temporarily non-operational due to rain fade, equipment failure, etc.). For example, the beam group switching pattern can be formulated to minimize worst-case degradation of capacity across user beams, to prioritize certain beams or beam groups, etc.

Abstract: In one embodiment a communication system comprises a radiofrequency (RF) transmitter, an antenna communicatively coupled to the RF transmitter to direct an RF signal in a first direction, a laser ranger mounted to the antenna to direct a pulsed laser signal in the first direction and receive reflected laser signals from a rotorblade, and logic to determine a measure of interference resulting from a rotorblade, provide the measure of interference to a radiofrequency (RF) transmitter, and shutter an RF transmission signal from the RF transmitter in response to the measure of interference. Other embodiments may be described.

Abstract: In one embodiment, a main radio unit for an avionic communication system is provided. The main radio unit includes a software defined radio (SDR) configured to simultaneously provide at least one safety certified channel for a cockpit of an aircraft and at least one other channel for cabin services of the aircraft, wherein the SDR is configurable such that the SDR can generate signals corresponding to different communication protocols. The main radio unit also includes an interface for the at least one safety certified channel, wherein the interface is configured to convert signals between a protocol for hardware in the cockpit and a satellite communication protocol used by the SDR for the at least one safety certified channel; and wherein the SDR is configured to communicate with an RF unit for transmission and reception of signals over an antenna.

Abstract: A system and method of transmitting data from an aircraft includes a PC card that acquires aircraft data and transmits the aircraft data over a radio frequency communications signal into the skin of the aircraft, which radiates the radio frequency communications signal to a location remote from the aircraft.

Abstract: Methods and apparatus are disclosed to enable a fixed or a mobile ground based slave stations (VSAT: Very Small Aperture Terminal) in a communication network to receive TDM transmissions from and transmit TDMA burst transmissions to one or more ground-based gateway stations in a networking system that employs one or more geosynchronous satellites. Each gateway station transmits on one or more forward TDM channels to the slave stations; however, one primary gateway acts as the master station at any given time which transmits the network control messages to the slave stations (VSATs) that control their TDMA transmission behavior on the network.

Abstract: A wireless network arrangement includes a space having a hindrance to wireless communication. The hindrance includes a fixed barrier and/or a three-dimensional area for accommodating a moveable barrier. At least three wireless electronic nodes are wirelessly and communicatively coupled to each other. A broadcast range of the nodes is greater than a largest dimension of the enclosure. The hindrance is disposed between a first one of the nodes and a second one of the nodes. The at least three nodes are positioned within the enclosure such that a wireless signal communication path wirelessly and communicatively couples the first one of the nodes to the second one of the nodes. The communication path is non-intersecting with the hindrance. The communication path passes through at least a third one of the nodes. The communication path is formed exclusively of a plurality of joined linear segments. Opposite ends of each linear segment are disposed at corresponding ones of the nodes.

Abstract: A wireless communications device may include a portable housing and a temperature-compensated clock circuit carried by the portable housing. The device may further include a wireless receiver carried by the portable housing for receiving timing signals, when available, from a wireless network, and a satellite positioning clock circuit carried by the portable housing. A clock correction circuit may be carried by the portable housing for correcting the temperature-compensated clock circuit based upon timing signals from the wireless network when available, and storing historical correction values for corresponding temperatures. The clock correction circuit may also correct the temperature-compensated clock circuit based upon the stored historical correction values when timing signals are unavailable from the wireless network, and correct the satellite positioning clock based upon the temperature-compensated clock circuit.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: A method and device for managing communication channels for data exchange from an aircraft establishes at least one connection path between the aircraft and at least one ground entity with a plurality of communication channels of at least two different types. After detecting an event such as modification of a communication channel condition or a modification of aircraft position, a communication configuration enabling the aircraft to receive or transmit data from or to the ground entity via at least one of the communication channels is determined. A mechanism for establishing at least one connection path is then adapted based on the communication configuration. Advantageously, the transmission of at least one datum includes determining a priority level of the datum and determining the type of communication channel of the connection path, the datum being transmitted if the determined type of communication channel is compatible with the priority level.

Abstract: A communication system is provided that allows the use of low-cost, low-power remote terminal units that communicate substantially asynchronously and independently to a base station. To minimize cost and complexity, the remote terminal units are configured similarly, including the use of substantially identical transmission schemes, such as a common Direct Sequence Spread Spectrum (DSSS) code. To minimize collisions among transmissions, the communication system is designed to use a high-gain antenna with a limited field of view, to limit the number of cotemporaneous, or overlapping transmissions that are received at the base station. To cover a wide area, the limited field of view is swept across the area of coverage. To overcome potential losses caused by collisions, the remote terminal units are configured to repeat transmissions; to minimize repeated collisions, the repeat interval and/or duration is randomized.

Abstract: A satellite communication system designed to communicate with wireless communication devices (WCDs) by use of a mosaic pattern of signal beams uses multiple beams to augment the communication with individual WCDs. In addition to communication with a WCD through a primary beam for that WCD, adjacent beams are used, but with signals utilizing circuit parameters assigned to the primary beam. The signals from a given WCD are relayed in a backhaul, either as an aggregate signal processed by the satellite, or as backhaul communication signals to be combined or separated on the ground.

Abstract: At least two waveforms are operated on a single antenna. A scheduler module coordinates the at least two waveforms. A modem module processes the at least two waveforms. A transmitter propagates the at least two waveforms to the antenna.

Abstract: The present invention relates to a transfer system for providing wireless data transfer, electrical power transfer and navigation between a mobile subsea vehicle and a deployed subsea station that uses acoustic and electromagnetic carrier signals for wireless communication and navigation. An inductive connector is provided for power transfer between mobile subsea vehicle and a deployed subsea station without conductive contact.

Abstract: A telemetric system includes a telemetric implant, a reader unit adapted to read signals from the telemetric implant, and an antenna adapted for connection to the reader unit and to receive signals from the telemetric implant. The antenna has a first coil, a second coil, and a connector. The first coil is electrically connected to the second coil, and the connector allows for movement of the first and second coils relative to each other. The antenna may be used to send radio-frequency power to the telemetric implant and receives data from the telemetric implant.

Abstract: An avionic communication unit with interface capabilities is provided. The communication unit includes at least one first type port, at least one second type port and a communication function. The at least one first type port is configured to couple a communication link using a first communication format to the communication unit. The at least one second type port is configured to couple a communication link using a second communication format to the communication unit. The communication function is configured to provide communications to and from an aircraft. The communication function is further configured to interface communications between the at least one first type port and the at least one second type port wherein avionic devices located on the aircraft and using different communication formats coupled to the respective ports can communicate.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: A system and method for providing single-action multi-source presets for vehicle entertainment systems. The method includes the steps of engaging a single-action preset button that changes the active input source to a selected preprogrammed input source and performing an action within that input source.

Abstract: A communication system is provided that allows the use of low-cost, low-power remote terminal units that communicate substantially asynchronously and independently to a base station. To minimize cost and complexity, the remote terminal units are configured similarly, including the use of substantially identical transmission schemes, such as a common Direct Sequence Spread Spectrum (DSSS) code. To minimize collisions among transmissions, the communication system is designed to use a high-gain antenna with a limited field of view, to limit the number of cotemporaneous, or overlapping transmissions that are received at the base station. To cover a wide area, the limited field of view is swept across the area of coverage. To overcome potential losses caused by collisions, the remote terminal units are configured to repeat transmissions; to minimize repeated collisions, the repeat interval and/or duration is randomized.

Abstract: A communication system is provided that allows the use of low-cost, low-power remote terminal units that communicate substantially asynchronously and independently to a base station. To minimize cost and complexity, the remote terminal units are configured similarly, including the use of substantially identical transmission schemes, such as a common Direct Sequence Spread Spectrum (DSSS) code. To minimize collisions among transmissions, the communication system is designed to use a high-gain antenna with a limited field of view, to limit the number of cotemporaneous, or overlapping transmissions that are received at the base station. To cover a wide area, the limited field of view is swept across the area of coverage. To overcome potential losses caused by collisions, the remote terminal units are configured to repeat transmissions; to minimize repeated collisions, the repeat interval and/or duration is randomized.

Abstract: A method of a flight management system (FMS) of an aircraft for generating an equi-time point (ETP) for an emergency landing of the aircraft includes receiving at least two reference points for landing the aircraft upon an occurrence of an emergency. The method also includes determining an equi-distance point (EDP) for the aircraft by locating a first point on the remaining flight path of the aircraft which is equidistant from the at least two reference points. The method further includes generating an ETP for the aircraft by locating a second point on the remaining flight path such that time difference between any two of expected flight times of the aircraft from the second point to the at least two reference points is less than a threshold value.

Abstract: A method of a flight management system (FMS) of an aircraft for computing flight time from an equi-distance point (EDP to a reference point for an emergency landing of the aircraft includes receiving at least two reference points for landing the aircraft upon an occurrence of an emergency and determining a remaining flight path for the aircraft based on a current location of the aircraft and a flight plan serviced by the FMS. Further, the method includes generating the EDP for the aircraft by locating a point in the remaining flight path, and calculating an expected flight time of the aircraft from the EDP to each of the at least two reference points based on a plurality of factors affecting the flight time of the aircraft.

Abstract: A network for obfuscating satellite terminal transmission activity may include a satellite, a plurality of distributed satellite terminals transmitting signals to and receiving signals from the satellite, and a computer. The computer may compute how much transmission power spectral density each of the distributed satellite terminals is or would be transmitting based on allocated data rates of each of the distributed satellite terminals. The computer may calculate an aggregate transmission power spectral density which is being used or would be used by all of the distributed satellite terminals. The computer may calculate how much unused transmission power spectral density is available to the network for obfuscation by subtracting from a total network regulatory transmission power spectral density limit the aggregate transmission power spectral density.

Abstract: A method for dynamically computing an equi-distance point (EDP) for an aircraft includes receiving at least two reference points for landing the aircraft upon an occurrence of an emergency, determining a remaining flight path for the aircraft based on a current location of the aircraft and a flight plan serviced by a flight management system (FMS) of the aircraft, and generating the EDP for the aircraft by locating a point on the remaining flight path which is equidistant from the at least two reference points.

Abstract: To receive a radio navigation signal modulated by a modulation waveform, the modulation waveform comprising a component BOC(n1,m) and a component BOC(n2,m), n2 being strictly less than n1, a correlation is performed between a prompt local waveform and the modulation waveform and a correlation is performed between a shifted (forward or backward) local waveform and said modulation waveform, over a time interval of duration T. The prompt local waveform is generated in the guise of a binary waveform comprising over said time interval at least one waveform segment BOC(n2,m) of a total duration of (1??A)T over said time interval, ?A being a parameter greater than or equal to 0 and strictly less than 1. The shifted local waveform is generated in the guise of a binary waveform comprising over said time interval at least one waveform segment BOC(n1,m) of a total duration of ?BT over said time interval, B being a parameter strictly greater than 0 and less than or equal to 1, and ?A being different from ?B.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: A method of transmitting telecommunications data comprising modulating first and second data signals, selecting transmit powers first and second terminals to achieve a predetermined power equivalent bandwidth (PEB) through an un-attenuated, transmitting the first data signal to the second terminal and the second data signal to the first terminal through a remote receiver, measuring a total received signal-to-noise ratio of the first and second data signals and a total received signal-to-noise ratio received at the second and first terminals, respectively, measuring a signal-power density ratio between the first and second signals, determining a ratio of excess uplink to downlink losses based a rain model parameter and operating frequency, calculating excess uplink and downlink losses relative an optimized, un-attenuated telecommunications channel, and changing a transmit power of a terminal such that the predetermined PEB is maintained when at least one of the signals experiences attenuation.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms.

Abstract: An underwater navigation system comprising a transmitter having an electrically insulted magnetic coupled antenna for transmitting an electromagnetic and/or magneto-inductive signal, a receiver having an electrically insulated magnetic coupled antenna for receiving an electromagnetic and/or magneto-inductive signal from the transmitter, and determining means for determining the position of the receiver relative to the transmitter using the received electromagnetic and/or magneto-inductive signal.

Abstract: A system and method are provided for establishing a communication link between an on onboard computer system (OCS) of a mobile platform and a central computer system (CCS) located remotely from the mobile platform. A message containing data to be downloaded from the OCS to the CCS is sent from a first portion of an electronic log book function (ELB1) of the OCS to a second portion of a communications management function (CMF2) of the OCS. The message is configured into a transmittable data file and placed into an outgoing queue of the CMF2. The CMF2 automatically selects at least one desired communication channel from a plurality of available communication channels utilizing a configuration file of the CMF2. The CMF2 establishes a secure link between the OCS and the CCS utilizing the automatically selected communication channel and sends the transmittable data file to the CCS, via the secure established link over the automatically selected channel.

Abstract: The Aircraft Emergency Services Call Management System enables the unique identification of each passenger wireless device in use in an aircraft and the corresponding identification of the passenger associated with the passenger wireless device. This passenger wireless device registration data is stored as database entries in a ground-based Automatic Location Identification (ALI) database which associates each aircraft with its registered passenger wireless devices. The origination of an emergency services call by any registered passenger wireless device results in the call being routed to a serving Public Safety Access Point (PSAP) where the passenger is connected to an emergency services operator. Since the aircraft flight crew and cabin crew are the only personnel on site that can be relied upon to provide some sort of emergency services response, they are included in the emergency services call.

Abstract: A method of recovering a useful signal received by a satellite includes a step of reception by the satellite of a composite signal comprising said useful signal and collision signals, all of these signals being received simultaneously by the satellite, interfering with each other, and respectively being transmitted by transmitters.

Abstract: A cyclic digital-to-analog converter includes a first capacitor and a second capacitor. Switching circuitry is selectively configurable to connect the first and second capacitors is at least two modes of operation, wherein a first mode uses the first capacitor during conversion of a bit as a sampling capacitor and uses the second capacitor during conversion of that bit as a holding capacitor, and wherein a second mode uses the second capacitor during conversion of a bit as a sampling capacitor and uses the first capacitor during conversion of that bit as a holding capacitor. A controller swaps converter operation between the first and second modes based on the bit values of a digital word to be converted. If adjacent bits of the digital word to be converted have different logical values, the converter swaps from the first mode to the second mode (or from the second mode to the first mode). Otherwise, the converted remains in the current first or second mode.

Abstract: The invention refers to a base station, BTS, (BTS) and a method for a BTS, for a cellular communication system comprising a user equipment, UE, (UE) onboard an aircraft (1) being at a predetermined altitude and a terrestrial network. The invention is characterized in that the base station (BTS) is arranged to be an airborne onboard BTS (BTS) comprising a screening device (2) generating a first signal (S1) being matched to screen a second signal (S2) from the terrestrial network at a predetermined altitude. The onboard BTS (BTS) also comprises a signal generator (3) generating a third signal (S3) being stronger than both the first signal (S1) and the second signal (S2), the onboard BTS (BTS) being arranged to establish a communication link with the UE (UE) via the third signal (S3).

Abstract: A traffic channel is assigned for use by a terminal to transmit data traffic to a satellite for relay to a satellite base station. The traffic channel assignment is retained for use by the terminal while the terminal is idle between data traffic transmissions to the satellite in response to a type of service designation that is associated with the terminal.