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| Number | Title | Issue Date |
| 8126033 | Apparatus and method for relaying in a wireless communication system An apparatus and method for supporting relaying in a wireless communication system are provided. The apparatus and method include a transmitting apparatus which acquires channel information between the transmitting apparatus and an RS, pre-encodes a transmission sig... | 02/28/2012 |
| 8121178 | Method and system for sending data using a very high bit rate digital subscriber line In a particular embodiment a VDSL repeater is disclosed. The VDSL repeater includes a first interface for receiving data from an IPTV network node; a second interface for sending data to an end user client device; and an amplifier in electrical communication with th... | 02/21/2012 |
| 8121179 | Wireless relay device and wireless relay method A device and a process which enable use of transmission diversity in transmission to a receiving station when wirelessly relaying wireless signals from a transmitting station to the receiving station. A reception antenna RA in a wireless relay device (RS) receives f... | 02/21/2012 |
| 8116356 | Linear transformation matrices for distributed diversity A signal for relay is received from a first node. From a local memory that stores K transform matrices (K being an integer greater than one) is selected a transform matrix that is associated with a relay rank order. The matrices define an optimal tradeoff of diversi... | 02/14/2012 |
| 8077760 | Digital transponder with real signal channelizer and synthesizer Embodiments disclosed herein relate generally to digital transponders. In one broad aspect, there is provided a digital transponder comprising: (a) an analog to digital converter configured to receive a real analog wideband multi-carrier signal and generate a real d... | 12/13/2011 |
| 8050311 | Method and arrangement for improved relaying A first aspect of the present invention relates to a wireless relaying network having a number of network nodes, including a transmitting node, at least one relaying node and at least one receiving node. Briefly, according to the present invention the transmitting n... | 11/01/2011 |
| 8023555 | Repeater circuit A repeater circuit configured to duplicate or otherwise coordinate signal transitions between state conductors, such as for use in asynchronous communication systems. The repeater circuit may include a state node or other feature to facilitate enforcing or otherwise... | 09/20/2011 |
| 7944962 | Method and apparatus for transmission of command combinations by means of coded frequency-shift keying A method is disclosed for transmission of commands or command combinations via a communication link by coded frequency-shift keying. Each command or command combination is associated with one frequency pair. When a command changes from a preceding command or command... | 05/17/2011 |
| 7869490 | Repeater for regenerating spectrally compatible signals along a telecommunication line A repeater for regenerating signals communicated along a telecommunication line uses a constellation providing a sufficiently high constellation density to ensure that regenerated signals are spectrally compatible. In one exemplary embodiment, such a repeater is con... | 01/11/2011 |
| 7809047 | Digital repeater having bandpass filtering, adaptive pre-equalization and suppression of natural oscillation Repeaters, event those having digital processing, exist. The significant drawback of these digital repeaters is that the computational complexity or the processing speed has to be very high in order to guarantee, particularly when compensating for echo, that the nec... | 10/05/2010 |
| 7796682 | Method and transceiver system having a transmit clock signal phase that is phase-locked with a receive clock signal phase A transceiver system is disclosed that includes a plurality of transceiver chips. Each transceiver chip includes one or more SERDES cores. Each SERDES core includes one or more SERDES lanes. Each SERDES lane includes a receive channel and a transmit channel. The tra... | 09/14/2010 |
| 7733946 | Terrestrial repeater with redistribution of pseudo-random codes on different carrier frequencies This invention concerns a terrestrial repeater (RF) dedicated to a hybrid communication network comprising a satellite for transmitting to terminals (and at least to the repeater) signals (SPI) in the form of a first modulated carrier with data to be transmitted, en... | 06/08/2010 |
| 7715466 | Interference cancellation system and method for wireless antenna configuration Presently disclosed is a method for reducing interference in a wireless distributed antenna systems. In an embodiment, interference is reduced by selectively placing a first wireless remote unit in a reduced signal interference mode. A controller sends a signal, suc... | 05/11/2010 |
| 7664166 | Pleisiochronous repeater system and components thereof A pleisiochronous repeater system and components thereof are disclosed. In one particular exemplary embodiment, a pleisiochronous repeater system component may be realized as a receiver circuit comprising a clock multiplier that multiplies a reference clock signal b... | 02/16/2010 |
| 7636385 | Apparatus and method of on-channel repeater Provided is an on-channel repeater and method thereof. The on-channel repeating apparatus includes: a receiving unit for receiving a Radio Frequency (RF) broadcast signal; a demodulating unit for converting the RF signal into a baseband signal; an equalizing unit fo... | 12/22/2009 |
| 7613232 | Method for automatic control of RF output level of a repeater A method and apparatus for controlling an output power level of a radio frequency (RF) repeater (100 or 200). A system includes a receiver to receive a signal, a filtering unit configured to pass frequency components at or around a frequency band of a ... | 11/03/2009 |
| 7564892 | Satellite transcoder A transcoder is described for converting a received first digital signal with a first modulation and encoding scheme to a second digital signal with a second modulation and encoding scheme. The transcoder may include a demodulator that produces a demodulated digital... | 07/21/2009 |
| 7555035 | Communication system and method using a relay node A communication node that relays signals between a source node and a destination node includes (a) a first unitary matrix calculation unit configured to calculate a first unitary matrix based on a first channel between the source node and the relay node, (b) a secon... | 06/30/2009 |
| 7535953 | Time information transmitter-receiver, and time information transmission-reception integrated circuit A time information transmission-reception integrated circuit includes: a reception control circuit for detecting a signal obtained by receiving and amplifying an external radio wave, and generating a clock data signal, based on a carrier signal the phase of which is... | 05/19/2009 |
| 7502407 | Wireless communication and wireless communication apparatus A wireless communication system which transmits and receives a signal by using a plurality of wireless apparatuses, comprising: a first wireless apparatus group having a plurality of transmitting apparatuses, each transmitting a wireless signal based on a first cont... | 03/10/2009 |
| 7471720 | Frequency and timing synchronization and error correction in a satellite network An outgoing transmission carrier frequency at, for example, a remote terminal, may be adjusted based on a feature rate of an incoming transmission. The adjustment may compensate for error in the outgoing transmission carrier frequency. The incoming transmission may ... | 12/30/2008 |
| 7463673 | Radio relay system, radio relay apparatus, and radio relay method A radio relay system is disclosed that is capable of preventing communication degradation in a case where radio signals are relayed using the same frequency band in a mobile communication environment. The radio relay system includes a first radio station, a second r... | 12/09/2008 |
| 7430397 | Radio repeater and radio relay transmission method A radio repeater including at least first and second relay systems, each including a reception antenna configured to receive a radio signal, a loop interference suppressor, connected to the reception antenna, configured to suppress a loop interference signal in the ... | 09/30/2008 |
| 7424315 | Communication bus system operable in a sleep mode and a normal mode The communication bus system comprises a plurality of node circuits (10a-d) and a relay circuit (12, 14, 16) coupling the node circuits (10a-d). The relay circuit (12, 14, 16) has a transceiver circuit (124,... | 09/09/2008 |
| 7386036 | Wireless multi-hop system with macroscopic multiplexing A method, device, and system in which radio links between relays and users are optimized separately from the links between relays and base stations and in which multiple simultaneous data streams between relays and base stations are created. The system includes tran... | 06/10/2008 |
| 7379491 | Flop repeater circuit A system is provided that includes a clocking circuit to provide two repeater clock signals and a flop repeater circuit to receive the two repeater clock signals and an input data signal. The flop repeater circuit to provide an output data signal based on the two re... | 05/27/2008 |
| 7366485 | Multimode wireless transmitter and a portable wireless device using the same The circuits of a multimode wireless transmitter are complex and large, and thus difficult to incorporate in a portable wireless device. This problem is solved for a multimode wireless transmitter by enabling the first frequency mode circuit and the second frequency... | 04/29/2008 |
| 7362798 | Method for transmitting data to be transmitted using a subscriber modem A method transmits data to be transmitted using a subscriber modem of a subscriber access network with adjusted transmission power. The method includes selecting at least one transmission frequency band and subdividing the selected transmission frequency band into s... | 04/22/2008 |
| 7359972 | Time division multiple access/time division duplex (TDMA/TDD) transmission media access control (MAC) air frame A time domain multiple access/time division duplex (TDMA/TDD) media access control (MAC) transmission frame includes: one or more dynamically allocatable control packets for providing control information over a wireless medium between a wireless base station and one... | 04/15/2008 |
| 7359971 | Use of priority-based scheduling for the optimization of latency and jitter sensitive IP flows in a wireless point to multi-point transmission system A quality of service (QoS) aware, wireless point to multi-point telecommunications system includes: a wireless base station coupled to a first data network; one or more host workstations coupled to the first data network; one or more subscriber customer premise equi... | 04/15/2008 |
| 7349505 | Relayed communication with versatile self-interference cancellation Methods, apparatuses, and systems are presented for providing self-interference cancellation in two-way relayed electromagnetic communication between a first and a second device through a relay station, involving retrofitting existing equipment comprising a transmit... | 03/25/2008 |
| 7349673 | Adaptive radio transceiver with an antenna matching circuit An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ... | 03/25/2008 |
| 7333535 | Variable block rate ADSL By allowing the block rate to vary, the existing Asymmetric Digital Subscriber Line (ADSL) system is modified to better address extended reach and higher data rates. A method is disclosed for providing improved reach from the ADSL standard by reducing the block rate... | 02/19/2008 |
| 7330515 | Method and apparatus capable of restricting resending operation A method and apparatus capable of restricting the resending operation are disclosed, in which the resending operation is controlled by determining the conditions of the input signal from a movable transmitting end, based on the guard interval period set in the signa... | 02/12/2008 |
| 7327980 | Radio signal repeater A UMTS 3g repeater and a Multi Sector Directional LMU Antenna Array can be integrated to be deployed inside large structures and large moving vehicles such as ferries and trains. ... | 02/05/2008 |
| 7319714 | Wireless communication and wireless communication apparatus A wireless communication system which transmits and receives a signal by using a plurality of wireless apparatuses, comprising: a first wireless apparatus group having a plurality of transmitting apparatuses, each transmitting a wireless signal based on a first cont... | 01/15/2008 |
| 7318017 | Collecting and exporting on-chip data processor trace and timing information with differing collection and export formats Data processor emulation information that has been collected and arranged into a plurality of first information blocks during the collection process is re-arranged into a plurality of second information blocks which differ in size from the first information blocks. ... | 01/08/2008 |
| 7310497 | Radio communication repeater The invention proposes a repeater designed for indoor transmissions. The useful frequency band is split into two frequency bands and the repeater amplifies the signals from one of the bands and translates them to the other band. The transposition of frequency bands ... | 12/18/2007 |
| 7301994 | Modulation apparatus for reducing time delay of on-channel repeater in terrestrial digital TV broadcasting system Provided is a modulation apparatus that can reduce time delay of on-channel repeaters in a terrestrial digital television broadcasting system. The time delay is caused by a filter during the modulation operation in the on-channel repeaters. The modulation apparatus ... | 11/27/2007 |
| 7295806 | Using directional antennas to enhance wireless mesh networks The principles of the present invention provide for using directional antennas to adaptively communicate in a wireless mesh network. A number of infrastructure components are included in a wireless mesh network environment. Each infrastructure component includes an ... | 11/13/2007 |
