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| Number | Title | Issue Date |
| 8095067 | Frequency translating repeater with low cost high performance local oscillator architecture A frequency translating repeater (120) for use in a time division duplex (TDD) radio protocol communications system includes local oscillator (LO) circuits (210, 310, and 410) to facilitate repeating by providing isolation, reduced phase noise, ... | 01/10/2012 |
| 8090315 | Method and system for frequency control in a frequency shifting repeater Aspects of a method and system for frequency control in a frequency shifting repeater are provided. In this regard, a reference frequency may be divided to generate a first pair of local oscillator (LO) signals, the first pair of LO signals may be divided to generat... | 01/03/2012 |
| 8090314 | Method and system for communicating via a frequency shifting repeater Aspects of a method and system for communicating via a frequency shifting repeater are provided. In this regard, a signal having a first frequency may be received, the received signal may be quadrature down-converted by mixing it with a pair of phase-quadrature loca... | 01/03/2012 |
| 8081924 | Relaying system and method with partner relays and selective transmission Partner relay systems and methods are provided in which relaying is performed by a pair of partner relays. Signals received from a base station are translated by a first of the pair of partner relays to a different transmission resource for communication between the... | 12/20/2011 |
| 7962095 | Relaying system and method with partner relays and selective transmission Partner relay systems and methods are provided in which relaying is performed by a pair of partner relays. Signals received from a base station are translated by a first of the pair of partner relays to a different transmission resource for communication between the... | 06/14/2011 |
| 7869760 | Radio communication apparatus and radio communication method A radio communication device capable of lightening the influence of a frequency selective fading in the wide-band transmission of a single carrier thereby to prevent deterioration of error rate characteristics. In this device, an FFT unit (13) subjects a modu... | 01/11/2011 |
| 7831203 | Radio frequency repeater for cancelling feedback interference signal with built in antenna The present invention relates to a Radio Frequency Repeater to prevent oscillation with canceling a feedback interference signal between transmitting and receiving antenna with built-in transmitting and receiving antenna in wireless mobile communication repeater. A ... | 11/09/2010 |
| 7756473 | Apparatus and method of on-channel repeater Provided are an on-channel repeater and a method thereof. The repeater receives signals on one channel and distributes the signals on the same channel by converting RF signals from a main transmitter into baseband signals; equalizing them in a high-performance equal... | 07/13/2010 |
| 7370348 | Technique and apparatus for processing cryptographic services of data in a network system A controller for controlling communications between a system and a transport medium includes a receiving circuit to receive data and associated security control information. A first cryptographic engine cryptographically processes the data received from the transpor... | 05/06/2008 |
| 7366491 | Noise cancel circuit A raw signal is delayed in a delay circuit (1) and then supplied to one of the input terminals of a selection circuit (8). The raw signal is also supplied to another delay circuit (2) to be delayed. Subsequently, data of this delayed signal is p... | 04/29/2008 |
| 7352995 | Direct digitally tunable microwave oscillators and filters A tunable element in the microwave frequency range is described that may include one or more tunable elements that are directly digitally controlled by a digital bus connecting a digital control circuit to each controlled element. In particular, each digital signal ... | 04/01/2008 |
| 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 |
| 7299005 | Radio frequency repeater with automated block/channel selection A wireless repeater for receiving, amplifying and transmitting one or more wireless signals. The repeater comprises a signal processing device for determining one or more attributes of a wireless signal received from a mobile device and a memory for storing a refere... | 11/20/2007 |
| 7277727 | System and method for processing a signal A system and method for receiving a communication signal includes a timing source that generates a stable timing signal and a stabilized local oscillator that receives the stable timing signal and uses the stable timing signal as an input to generate a stabilized os... | 10/02/2007 |
| 7239650 | Apparatus and method for receiving upstream data transmissions from multiple remote transmitters A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are... | 07/03/2007 |
| 7221904 | Mobile communication system with moving base station A mobile communication system employs moving base stations moving in the direction of flow of traffic moving along a roadway. The moving base station communicates with fixed radio ports connected to a gateway office. A plurality of moving base stations are spaced ap... | 05/22/2007 |
| 7212782 | Low-noise block down-converter and satellite broadcasting receiving apparatus Frequency converting circuits each correspond to one satellite and convert frequency bands of two types of polarization signals received from the corresponding satellite into two intermediate frequency bands that do not overlap with each other. Signal couplers each ... | 05/01/2007 |
| 7187904 | Frequency translating repeater with low cost high performance local oscillator architecture A frequency translating repeater (120) for use in a time division duplex (TDD) radio protocol communications system includes local oscillator (LO) circuits (210, 310, and 410) to facilitate repeating by providing isolation, reduced phase noise, ... | 03/06/2007 |
| 7177591 | Frequency converter and radio communications system employing the same In a frequency converter, a phase-locked loop generates a local-oscillation signal having a low frequency, of a plurality of local-oscillation signals having different frequencies, based on an intermediate frequency beacon signal that results from mixing a predeterm... | 02/13/2007 |
| 7177368 | Data transfer using frequency notching of radio-frequency signals A method for data transmission includes forming a notched radio-frequency (RF) burst according to one or more data values, where a bandwidth of the notched RF burst is at least two percent of the center frequency of the notched RF burst. Forming a notched RF pulse i... | 02/13/2007 |
| 7171235 | Arrangement and method for reducing losses in radio transmitter The invention relates to an arrangement and method for reducing losses at the transmitting end of a radio apparatus, especially one that operates in more than one system. An interfering transmitter is provided with two antenna filters one of which is a low-pass-type... | 01/30/2007 |
| 7133697 | Translation unit for wireless communications system A translation unit for use in a wireless communications system comprises translation circuitry configured to be interfaced between an RF antenna network and a backhaul network. The translation circuitry is operable for translating the frequency of signals directly b... | 11/07/2006 |
| 7130579 | Adaptive radio transceiver with a wide tuning range VCO 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 ... | 10/31/2006 |
| 7117008 | Mitigating interference among multiple radio device types At least two types of wireless devices may be simultaneously handled in a system (i.e., on a wireless-enabled platform (e.g., Bluetooth and IEEE 802.11) in a personal computing environment, such as a personal computer system) in a way that substantially mitigates in... | 10/03/2006 |
| 7103004 | Method and apparatus for application driven adaptive duplexing of digital subscriber loops To improve the performance of DSL modems, a DSL duplexing ratio for a new communication is selected according to the communications needs of an application. A required upstream and downstream bit rate for application communications is determined. From the ratio of t... | 09/05/2006 |
| 7103312 | Method and apparatus for band-to-band translation in a wireless communication system A translator for translating RF signals from one wireless frequency band to another wireless frequency band in a wireless communications system including a base station, a remote antenna, and remote customer premises equipment. The base station is an existing legacy... | 09/05/2006 |
| 7095707 | Apparatus and method for trellis encoding data for transmission in digital data transmission systems A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are... | 08/22/2006 |
| 7092736 | Radio communication system A base station is provided in a radio communication system by which first communication connections and second communication connections are transmitted. A first radio network controller is provided, by which the first communication connections are transmitted and a... | 08/15/2006 |
| 7085530 | Dynamic capacity allocation of in-building system An apparatus for wireless communication, including a plurality of slave transceivers spatially separated from one another within an enclosed region. Each of the slave transceivers is adapted to receive a reverse radio frequency (RF) signal generated by a mobile tran... | 08/01/2006 |
| 7082320 | Integration of wireless LAN and cellular distributed antenna A system and method for supporting wireless in-building communications uses a wireless local area network access point, a cellular distributed antenna system, and a cellular radio base station coupled to the cellular distributed antenna system. The cellular radio ba... | 07/25/2006 |
| 7069048 | Base station system supporting multi-sector/multi-frequency assignment for seamless call service A base station system supporting multi-sector/multi-FA in which, when a board goes out of order, a redundant board is automatically switched on, so as to prevent the call from being cut off and the entire capacity of the system from being influenced, thereby enablin... | 06/27/2006 |
| 7046168 | Inter-vehicle communication method and device An inter-vehicle communication method according to the present invention performs communication by sequentially relaying transmission information among vehicles. For broadcasting the transmission information to peripheral vehicles, a vehicle transmitting the transmi... | 05/16/2006 |
| 7039357 | Diversity coverage A method for wireless communication, including positioning a first plurality of slave transceivers within a region and positioning a second plurality of slave transceivers within the region in positions spatially separated from the positions of the first plurality o... | 05/02/2006 |
| 7031344 | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are... | 04/18/2006 |
| 7024159 | Extension set for a DVB-T-receiver The invention relates to an improved extension device for a DVB-T-receiver characteristed in that it comprises an indoor-repeater enabling the received an/or digitised signals supplied to be emitted or are emitted in a non-converted manner via an antenna device asso... | 04/04/2006 |
| 7020165 | Apparatus and method for trellis encoding data for transmission in digital data transmission systems A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are... | 03/28/2006 |
| 7016644 | Compensating for non-linearity in an overlaid communication system An approach is provided for compensating for non-linearity in an overlaid radio communication system, such as a satellite network, wherein a terminal and a hub station communicates bi-directionally using a composite signal that is transmitted from a relay station an... | 03/21/2006 |
| 6993287 | Repeater system for strong signal environments A repeater system combines co-located antennas, limited and controlled downlink signal amplification, stability management and an amplification indicator to create a user-installed solution to co-channel interference within cellular systems, in strong signal environ... | 01/31/2006 |
| 6973304 | Multimode service radio communication method and apparatus A multimode service radio communication apparatus, that provides a hand-held or vehicle-mounted terminal with radio communication and radio broadcasting information of a radio information and communication providing system including mobile communication systems and ... | 12/06/2005 |
| 6954627 | Blind modulation cancellation by addition of modulated signal A signal processing method, applied in a wireless communications module having a receive path, prevents a nonlinear device in the receive path from using an amplitude modulated transmit or other bleed-over signal in the receive path to modulate a non-amplitude modul... | 10/11/2005 |
