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| Number | Title | Issue Date |
| 8190103 | Synchronization of radio links for a user equipment A method of providing assistance for synchronization of a radio link in a communications network comprising at least a first network element, the method comprising the steps: making a decision to connect a user equipment to the first network element via a first radi... | 05/29/2012 |
| 8145143 | Bidirectional frequency converter and radio equipment using same When a power supply switch is turned on and an RF signal and an LO signal are input to a bipolar transistor, a mixed signal of both signals is output as an IF signal. When the power supply switch is turned off, the bipolar transistor operates as two diodes connected... | 03/27/2012 |
| 8112045 | Translational loop transmitter architecture employing channel power ratio measurements for modulation accuracy calibration A Radio Frequency RF transmitter includes a translational loop architecture that supports non-constant envelope modulation types and includes by adjusting the envelope of the translational loop at the translational loop output. The RF transmitter includes an Interme... | 02/07/2012 |
| 8103222 | RF sensor system and method for operating the same The embodiment provides a radio frequency sensor system comprising a radio frequency transmission terminal and a radio frequency reception terminal. The system comprises an oscillating circuit part for generating a plurality of frequency clocks, a signal coupler for... | 01/24/2012 |
| 8099062 | CMOS transceiver analog front end having a combined power amplifier and low noise amplifier A complementary metal oxide semiconductor transceiver analog front end circuit includes a combined transmit and receive amplifier block that produces an amplified transmit differential signal and receives a receive differential signal through the same pair of input/... | 01/17/2012 |
| 8036607 | Wireless terminal and wireless base station In a case where a switching source wireless communication system is a wireless communication system in which a transmission timing of a packet or data rate can be controlled in a wireless base station, the switching source wireless communication system, which notifi... | 10/11/2011 |
| 7974587 | Local wireless communications within a device A radio transceiver device includes circuitry for radiating electromagnetic signals at a very high radio frequency both through space, as well as through wave guides that are formed within a substrate material. In one embodiment, the substrate comprises a dielectric... | 07/05/2011 |
| 7953376 | Synchronization method for discontinuous transmissions in a communications network A method of providing assistance for synchronization of a radio link in a communications network comprising at least a first network element, the method comprising the steps: making a decision to connect a user equipment to the first network element via a first radi... | 05/31/2011 |
| 7949311 | RF integrated circuit with transmitter and multipurpose output ports and methods for use therewith An RF integrated circuit (IC) includes a first IC port for coupling a first transmit signal in a first frequency band to at least one external device and a second IC port for coupling a second transmit signal in a second frequency band to the at least one external d... | 05/24/2011 |
| 7890064 | Multi-path transceiver layout within a device A radio transceiver device includes circuitry for radiating electromagnetic signals at a very high radio frequency both through space, as well as through wave guides that are formed within a substrate material. In one embodiment, the substrate comprises a dielectric... | 02/15/2011 |
| 7783266 | Bidirectional frequency converter and radio equipment using same When a power supply switch is turned on and an RF signal and an LO signal are input to a bipolar transistor, a mixed signal of both signals is output as an IF signal. When the power supply switch is turned off, the bipolar transistor operates as two diodes connected... | 08/24/2010 |
| 7756489 | Software defined radio and library configuration therefor A radio communication apparatus having a radio modem for processing a signal in a radio frequency band, a signal processor for processing a base band of a transmission or reception signal, and a CPU for processing a protocol. The signal processor includes signal pro... | 07/13/2010 |
| 7653361 | Dual band WLAN communication frequency synthesizer technique A dual band WLAN (Wireless Local Area Network) communications technique is provided where a frequency synthesizer unit generates an LO (Local Oscillator) signal at a frequency between both frequency bands and two downconversion units and/or two upconversion units ar... | 01/26/2010 |
| 7542731 | Radio frequency transceiver Provided is a radio frequency transceiver. The radio frequency transceiver includes: a receiving unit for converting a radio frequency signal received by an antenna into an intermediate signal based on an intermediate local signal; a transmitting unit for converting... | 06/02/2009 |
| 7522888 | Architecture of future open wireless architecture (OWA) radio system Architecture of future open wireless architecture (OWA) radio system supporting full integration of multi-bands, multi-standards wireless and mobile communication technologies with computer technology based on future open architecture platforms. ... | 04/21/2009 |
| 7454176 | Semiconductor integrated circuit for communication and terminal device for mobile communication The present invention provides a semiconductor integrated circuit for communication (RF IC) operable in a mode for receiving a received signal subjected to phase modulation and amplitude modulation and a mode for receiving a received signal subjected only to phase m... | 11/18/2008 |
| 7444167 | Dual-band wireless LAN RF transceiver The present invention discloses a dual-band RF transceiver. The transceiver comprises a first module, used as the RF front-end of the dual-band transceiver and used for receiving and transmitting a first RF signal and a second RF signal; a second module, electricall... | 10/28/2008 |
| 7421250 | Radio frequency integrated circuit A radio frequency (RF) integrated circuit (IC) includes a local oscillation module, analog radio receiver, analog radio transmitter, digital receiver module, digital transmitter module, and digital optimization module. The local oscillation module is operably couple... | 09/02/2008 |
| 7400690 | Adaptive phase controller, method of controlling a phase and transmitter employing the same The present invention is directed to an adaptive phase controller employing a threshold level and a method of controlling a phase. In one embodiment, the adaptive phase controller includes a comparator configured to receive a comparison signal representing a phase a... | 07/15/2008 |
| 7398104 | Mobile phone with wireless camera detection A mobile phone with wireless camera detection. A mobile phone converts the frequency band of a received signal to mobile signal frequency band (for example GSM, DSC or PCS) with added mixer, oscillator, and filter. The converted signal is treated as a mobile signal ... | 07/08/2008 |
| 7373115 | Apparatus for transmit and receive switching in a time-division duplexing wireless network A transmit-receive (T/R) switch for coupling a TDD transceiver to an antenna. The T/R switch comprises 1) a first circulator having a first port for receiving a transmit signal from the transceiver during transmit mode, a second port for sending the transmit signal ... | 05/13/2008 |
| 7369816 | Highly accurate temperature sensor employing mixed-signal components A radio transceiver includes circuitry that enables received RF signals to be down-converted to baseband frequencies and baseband signals to be up-converted to RF signals prior to transmission without requiring conversion to an intermediate frequency. The circuitry ... | 05/06/2008 |
| 7369607 | Multicarrier communication using a time domain equalizing filter Various methods and apparatus are described that use a filter. A receiver may be configured to receive multi-tone signals. The receiver has a Time Domain Equalizer filter employing an algorithm to shorten a length of an incoming impulse response to equal to or less ... | 05/06/2008 |
| 7366244 | Method and system for antenna interference cancellation A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ... | 04/29/2008 |
| 7359678 | Signal processing semiconductor integrated circuit device and wireless communication system The invention provides a signal processing semiconductor integrated circuit of the direct conversion system, which includes a dummy amplifier having the same circuit configuration as a low noise amplifier being the first stage amplifier, in which the DC offset calib... | 04/15/2008 |
| 7356098 | Method, communication system and communication unit for synchronisation for multi-rate communication A method, communication system and communication unit for synchronisation for multi-rate communication by transmitting a signal (FIG. 4A) having a synchronisation portion at a first, predetermined chip rate and containing an indication of chip rate used for a... | 04/08/2008 |
| 7352824 | Multilevel pulse position modulation for efficient fiber optic communication Decreasing the average transmitted power in an optical fiber communication channel using multilevel amplitude modulation in conjunction with Pulse Position Modulation (PPM). This multilevel PPM method does not entail any tradeoff between decreased power per channel ... | 04/01/2008 |
| 7349678 | Circuit arrangement for transmitting and receiving radio signals simultaneously A circuit arrangement for transmitting and receiving radio signals includes an amplification device with an output for transmitting signals, an input for receiving signals and a supply line, and an antenna for transmitting and receiving signals. The antenna is conne... | 03/25/2008 |
| 7349674 | Apparatus and method for separating transmit and receive signals for time division duplexing radio system A receiver is protected by reducing a transmit leakage signal leaked when a transmit signal is radiated through the antenna by using three circulators (transmitter, antenna, and receiver). The transmitter and antenna circulators output the transmit leakage signal to... | 03/25/2008 |
| 7349672 | Digital signal transceiver A digital signal transceiver includes a frequency modulator for outputting a high-frequency signal frequency-modulated with a digital signal input thereto, a power amplifier, an antenna terminal, and an antenna switch. The antenna switch includes a first branch port... | 03/25/2008 |
| 7343146 | Single chip LNA and VCO having similar resonant circuit topology and using same calibration signal to compensate for process variations In one aspect this invention provides a radio frequency receiver for coupling to an antenna. The receiver includes a downconversion mixer, an amplifier having an input coupled to the antenna and an output coupled to a first input of the mixer for providing a receive... | 03/11/2008 |
| 7343579 | Reconfigurable environmentally adaptive computing Described are methods and apparatus, including computer program products, for reconfigurable environmentally adaptive computing technology. An environmental signal representative of an external environmental condition is received. A processing configuration is autom... | 03/11/2008 |
| 7339883 | Ultra-wideband communication protocol A communication protocol for ultra-wideband communications is provided. The present invention provides compatibility and interoperability between ultra-wideband communications devices within various types of networks. In one embodiment, combined, or interleaved data... | 03/04/2008 |
| 7333565 | Semiconductor integrated circuit for communication An orthogonal modulating circuit for modulating signals of two oscillation frequencies differing in phase by 90° with transmission data (I and Q) is used in common for a plurality of bands, an LC resonance circuit comprising inductances L and a capacitor C is used ... | 02/19/2008 |
| 7333788 | Method for calibrating automatic gain control in wireless devices Disclosed herein is an iterative process for calibrating an AGC in a wireless system, wherein the iterative process includes transmitting a calibration signal, receiving the calibration signal, decoding the calibration signal to produce a measurement, storing the me... | 02/19/2008 |
| 7327568 | Heat sink assembly with rotatable fins A heat sink assembly having rotatable fins includes a housing, a first heat dissipating device, a rod, an elastic member and a lever. The housing includes a first sidewall having a first hole, a first sliding hole and a stop portion, and a second sidewall having a s... | 02/05/2008 |
| 7324791 | Low-noise differential bias circuit and differential signal processing apparatus A low-noise differential bias circuit is provided which obtains excellent noise characteristics while ensuring excellent distortion characteristics. A collector of a transistor Q11 is connected to a voltage supply point (Vcc) via a resistor R15. A base... | 01/29/2008 |
| 7324794 | Phase combining diversity Embodiments of methods of receiving transmitted signals are disclosed. The methods include a first antenna receiving a second signal, a second antenna receiving a second signal, adjusting a phase relationship between the first signal and the second signal, combining... | 01/29/2008 |
| 7324789 | PLL frequency synthesizer architecture for low phase noise and reference spurs A frequency synthesizer for use in a transceiver generates a relatively high reference frequency with fine frequency resolution and low in-band phase noise by using a digital processor to generate a digital reference signal at a finely-tuned reference frequency. A D... | 01/29/2008 |
| 7324787 | Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system In a radio communication system having a phase control loop for phase modulation and an amplitude control loop for amplitude modulation and being capable of time divisional transmission and reception under a predetermined time management, when transmission in a firs... | 01/29/2008 |
