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| Number | Title | Issue Date |
| 8170476 | Emission power control for packet transmission A method of transmitting data packets in a radio system between and emitter and a receiver. A nominal emission power for a data packet is determined according to a desired reception quality. The data packet is transmitted with an effective emission power. A new nomi... | 05/01/2012 |
| 8145127 | Method and apparatus for transmit power calibration in a frequency division multiplexed wireless system The present disclosure describes a method and apparatus for transmit power calibration in a frequency division multiplexed wireless system (100). The method may include receiving (315) an uplink scheduling grant at a user equipment (120), establ... | 03/27/2012 |
| 8140007 | Radio system and method for relaying radio signals with a power calibration of transmit radio signals The present invention provides a radio system and a method for relaying radio signals, providing a power calibration of transmit radio signals. With the radio system and the method no dedicated calibration signal generator is required for providing the power calibra... | 03/20/2012 |
| 8131212 | Method and apparatus for compensation for weather-based attenuation in a satellite link A controlled satellite link, comprising a reference unit for measuring signal attenuation over said link, and a control unit, associated with said reference unit, configured for controlling at least one link transmission parameter to dynamically adapt to changes in ... | 03/06/2012 |
| 8064824 | Systems and methods for reducing power robbing impact of interference to a satellite Processing return feeder link signals at a satellite gateway including a first and second receive antennas includes receiving first and second return feeder link signals at the first and second receive antennas, respectively, modulating a phase of the first return f... | 11/22/2011 |
| 7974576 | Combined open and closed loop power control in a communications satellite In a telecommunication network where a wireless path is provided between a transmitter and a receiver via a satellite relay forming a multi-hop relayed signal path, a method and system are provided for furnishing adequate signal at a user terminal, which may be in m... | 07/05/2011 |
| 7929908 | Method and system for controlling a network for power beam transmission A method of providing power beams via a network of source nodes. Source nodes are configured to receive requests for power beam service from airborne user nodes such as aircraft equipped with photovoltaic receivers. User nodes are configured to communicate a set of ... | 04/19/2011 |
| 7929909 | Upstream broad beam diversity with interference cancellation A satellite communication system is provided according to one embodiment of the invention. The satellite communication system includes a gateway with first and second antennas. The first antenna receives a signal from a first satellite that includes at least a first... | 04/19/2011 |
| 7925211 | Method for uplink power control for distributed satellite networks to compensate for rain fade A method for dynamically determining the power compression point of an amplifier in a distributed network under the control of a computer, the network having a first terminal (600) including the amplifier operatively coupled to a plurality of second terminals... | 04/12/2011 |
| 7805108 | Apparatus and method for improved call release in a wireless network The present invention decreases the time required to determine whether a call connection between a base station and a mobile station in a wireless network has failed during a call set up procedure. A preamble frame detector in the base station detects preamble frame... | 09/28/2010 |
| 7778598 | Asymmetric cooperation in downlink cellular networks with relay stations In a wireless network using cooperative relaying, a set of messages are broadcast from a base station to a set of relay stations during a first phase of a scheduling interval. During a second phase of the scheduling interval, the set of messages from the set of rela... | 08/17/2010 |
| 7761054 | Method and system for receiving a beacon signal in a satellite communication system A method and system for receiving a beacon signal includes a splitter that divides a beacon signal into a first beacon signal and a second beacon signal. The system includes a pair of downconverters down converting the beacon signals into down converted signals. A p... | 07/20/2010 |
| 7715788 | Method and system for determining attenuation and controlling uplink power in a satellite communication system A method and system for determining attenuation and controlling uplink power in a satellite communication system includes receiving a beacon signal and establishing a clear sky uplink power value. A fade value is determined in response to the beacon signal and in re... | 05/11/2010 |
| 7653349 | Adaptive return link for two-way satellite communication systems A method and apparatus for adaptively transmitting an uplink signal comprising information from a ground station to a satellite is disclosed. The method comprises the steps of receiving a transmitted downlink signal at a ground station from the satellite; measuring ... | 01/26/2010 |
| 7639981 | Apparatus and methods for power control in satellite communications systems with satellite-linked terrestrial stations A signal power control loop is provided for a link between a terrestrial station and a terminal when the terminal and a satellite are linked via the terrestrial station. The signal power control loop may control transmitted signal power of the terminal and/or the te... | 12/29/2009 |
| 7599659 | Innovative combinational closed-loop and open-loop satellite user terminal power control system Devices and methods are disclosed for reducing power control cushion of a user terminal configured to communicate with a satellite and a gateway station. The present invention provides a power control algorithm implemented in a user terminal that is designed to oper... | 10/06/2009 |
| 7599658 | Method for uplink power control for distributed satellite networks to compensate for rain fade A method for dynamically determining the power compression point of an amplifier in a distributed network under the control of a computer, the network having a first terminal (600) including the amplifier operatively coupled to a plurality of second terminals... | 10/06/2009 |
| 7580673 | Leader-follower power control In a satellite or other relayed communication system having a plurality of subscriber terminals that communicate through an elevated wireless relay (typically a satellite operating in bent pipe mode), a technique for subscriber terminal power control is provided whe... | 08/25/2009 |
| 7437125 | EIRP statistical calculation method In a system for providing data content to and from a plurality of mobile platforms where each of the mobile platforms transmits a return link having an EIRP to a predetermined location via a satellite-mounted transponder, a method for controlling an EIRP of the aggr... | 10/14/2008 |
| 7437159 | Method and system for overcoming pilot pollution in a wireless communications network An apparatus and method for overcoming pilot pollution in a wireless communications network. The apparatus boosts a preferred pilot signal within a geographical area that is suffering from pilot pollution. The boosted pilot signal is stronger than the pollution in t... | 10/14/2008 |
| 7430433 | Apparatus and method for optimizing transmission power of network An apparatus and a method for performing a protocol that optimizes a transmission power in a network. The apparatus and the method perform a protocol that optimizes the transmission power in the network for point-to-multipoint communication (1:N). The apparatus incl... | 09/30/2008 |
| 7430435 | Apparatus and method for optimizing transmission power of network An apparatus and a method for performing a protocol that optimizes a transmission power in a network. The apparatus and the method perform a protocol that optimizes the transmission power in the network for point-to-multipoint communication (1:N). The apparatus incl... | 09/30/2008 |
| 7430434 | Apparatus and method for optimizing transmission power of network An apparatus and a method for performing a protocol that optimizes a transmission power in a network. The apparatus and the method perform a protocol that optimizes the transmission power in the network for point-to-multipoint communication (1:N). The apparatus incl... | 09/30/2008 |
| 7420939 | Methods and apparatus of power control in wireless communication systems The present invention involves apparatus and methods to perform wireless terminal transmission power control. The invention uses novel and highly efficient methods to: convey power control information, specify power control level adjustments, recognize power control... | 09/02/2008 |
| 7421282 | Mobile communication system In a mobile communication system, a mobile switching center 27 changes a transmission rate of communication data transmitted from a mobile station 16 and so on to a database 11 or a transmission rate of communication data transmitted from the da... | 09/02/2008 |
| 7412252 | System, transmitter, receiver and method for communication power control A system, transmitter, receiver and method for communication power control by the transmitting entity (150A) keeping a sequence number counter (200) per UE (130A) that is incremented whenever a common channel transmission is made specifically to... | 08/12/2008 |
| 7408894 | Apparatus and method for controlling power of reverse channels in a mobile communication system Disclosed is an apparatus for performing power control on a reverse channel quality indicator channel (CQICH) received from a mobile station by a base station in a mobile communication system including the base station for transmitting a power control bit for power ... | 08/05/2008 |
| 7409566 | Methods and apparatus for controlling power supplied to a remote device through a network cable A detection circuit monitors a hardware-level signal received from a remote device for voltage transitions indicating that the remote device is connected to a network cable. If the detection circuit does not sense voltage transitions in the hardware-level signal, it... | 08/05/2008 |
| 7409188 | Method and apparatus for lowering power use by a ranging receiver Equipment and a method by which power consumed by a ranging receiver (12) is reduced without appreciably impairing performance of the GPS receiver (12), the method including: a step (21) in which a controller (15) reads sensor signals pro... | 08/05/2008 |
| 7397776 | Systems and methods for autonomously and dynamically optimizing transmission power in a wireless network A method for autonomously and dynamically optimizing transmission power of an endpoint in a wireless network includes the step of monitoring a received signal strength, a received signal quality and a transmission error rate of a signal transmitted between an access... | 07/08/2008 |
| 7392011 | Method and system for flexibly distributing power in a phased array antenna system A power system flexibly distributes power among phased array antenna apertures of a satellite (or other type of platform). By allocating the power provided by a power source among the apertures, if one aperture is not providing useful coverage (due to orientation, l... | 06/24/2008 |
| 7373166 | Apparatus and method for optimizing transmission power of network An apparatus and a method for performing a protocol that optimizes a transmission power in a network. The apparatus and the method perform a protocol that optimizes the transmission power in the network for point-to-multipoint communication (1:N). The apparatus incl... | 05/13/2008 |
| 7373161 | Method and arrangement for power control A method for setting a power control level (600) in a wireless communication system. The method includes the steps of obtaining (620) transmission information from a wireless subscriber unit, and modifying a power control level and/or a communication c... | 05/13/2008 |
| 7373165 | Apparatus and method for optimizing transmission power of network An apparatus and a method for performing a protocol that optimizes a transmission power in a network. The apparatus and the method perform a protocol that optimizes the transmission power in the network for point-to-multipoint communication (1:N). The apparatus incl... | 05/13/2008 |
| 7373105 | Method of determining communication link quality employing beacon signals A method of determining communication link quality includes the steps of: providing communications stations (e.g., UHF communications satellites, base stations of a terrestrial cellular network) with beacon transmitters that are used to transmit two types of signals... | 05/13/2008 |
| 7373167 | Apparatus and method for optimizing transmission power of network An apparatus and a method for performing a protocol that optimizes a transmission power in a network. The apparatus and the method perform a protocol that optimizes the transmission power in the network for point-to-multipoint communication (1:N). The apparatus incl... | 05/13/2008 |
| 7370566 | Complimentary retrograde/prograde satellite constellation A method for sensing and monitoring ICBM threats using a constellation of earth orbiting satellites. The method includes arranging a first and a second plurality of threat sensing satellites in earth orbit. The first plurality is selected to have a first prograde or... | 05/13/2008 |
| 7369834 | Impedance-matched IQ network for an image rejection circuit An impedance-matched IQ network includes a phase shift circuit and a back termination. The phase shift circuit includes an in-phase mixer port for receiving the in-phase signal, a quadrature-phase mixer port for receiving the quadrature phase signal, a termination p... | 05/06/2008 |
| 7366463 | Military UHF and commercial Geo-mobile system combination for radio signal relay A radio signal relay device such as satellite is used to cover several relatively small geographical regions with relatively narrow beams as well as a relatively large geographical region with a single beam. This relatively wide beam permits legacy equipment to be u... | 04/29/2008 |
| 7366537 | Wireless network apparatus and system The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 04/29/2008 |
