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| Number | Title | Issue Date |
| 8189649 | Wireless communication apparatus In a wireless communication apparatus adopting a time division duplex system for executing transmission and reception using a plurality of antennas, deviation of amplitude and phase occurring between transmission and reception circuits is detected and corrected usin... | 05/29/2012 |
| 8184679 | RF transceiver having adaptive modulation A modulation control module for use in an RF transceiver, the modulation control module includes a processing module and memory. The memory is operably coupled to the processing module, wherein the memory stores operational instructions that causes the processing mo... | 05/22/2012 |
| 8184678 | Method and system for transmitting signals with reduced spurious emissions An RF power amplifier architecture minimizes spurious emissions by breaking the transmitted signal into narrow spectrum sub-bands, amplifying each separately, and then combining the signals for transmission purposes. ... | 05/22/2012 |
| 8184682 | Precoding signaling in a MIMO wireless communication system A method for performing data transmission between a transmitter and a receiver. The method includes the steps of generating a feedback message at the receiver in response to data received from the transmitter, assigning an identifier for the feedback message, storin... | 05/22/2012 |
| 8184680 | Data transceiver system and associated methods A data transceiver system may include an error corrector. The error corrector may include a plurality of delay units, each delay unit being configured to delay a corresponding data signal among a plurality of data signals by a time in response to a corresponding del... | 05/22/2012 |
| 8184681 | Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting Systems, methods and apparatus for improving the coverage of a wireless network based on frequency shifting scheme. A wireless signal in a frequency band is shifted to another distinct band, and carried in the shifted band, using wired or wireless mediums to another... | 05/22/2012 |
| 8175138 | Power efficient FHSS base-band hardware architecture The present invention provides a power efficient FHSS (Frequency Hopping Spreading Spectrum) base-band hardware architecture, and more particularly to a combinational design to reduce the system jitter of a frequency hopping communication system and bring system syn... | 05/08/2012 |
| 8165188 | Transceiver with adjustable sampling values and signal transceiving method thereof A transceiver includes: a first DAC, for receiving a first digital signal to generate an analog signal; an operation circuit, coupled to the first DAC, for receiving the analog signal and a feedback signal to generate an operated analog signal; an ADC, for generatin... | 04/24/2012 |
| 8165187 | Periodic calibration for communication channels by drift tracking A method and system that provides for execution of a first calibration sequence, such as upon initialization of a system, to establish an operation value, which utilizes an algorithm intended to be exhaustive, and executing a second calibration sequence from time to... | 04/24/2012 |
| 8160125 | System for feeding back index of codeword matrix A system is provided for performing downlink beamforming based on information fed back by a mobile station. The mobile station includes a channel matrix generation unit to generate a channel matrix with respect to channels ranging from a base station to a mobile sta... | 04/17/2012 |
| 8155173 | Mobile communication system, transmitting equipment and transmission signal generation method A transmitting equipment is used in a mobile communication system in which a signal obtained by cyclically shifting a predetermined sequence is used for communication. An inverse fast Fourier transform device of the transmitting equipment converts a signal obtained ... | 04/10/2012 |
| 8149901 | Channel switching circuit An active routing circuit. In representative embodiments, the active routing circuit includes a channel switch which includes a transceiver and a switch. The transceiver has first data line, second data line, drive/receive control line, and receiver select control l... | 04/03/2012 |
| 8149902 | Methods to relax the second order intercept point of transceivers Methods to relax the second order intercept point of transceivers for multi-carrier and OFDM (such as IEEE 802.11a/g and 802.16) based zero IF wireless receivers that need to work in an environment with strong jamming signals, such as, for example, WLAN modules in S... | 04/03/2012 |
| 8149903 | Systems and methods for ramping power amplifier output power A power amplifier circuit including a first transistor, a second transistor, and a power control circuit. The first transistor includes a first input and a first output. The second transistor includes a second input coupled in series with the first output of the fir... | 04/03/2012 |
| 8139623 | Method of controlling operation of at least one transmitter and/or one receiver, communication system and use of such a method or such a system Method of and communication system for controlling operation of at least one transmitter and/or one receiver in a communication system, e.g. a system for transmission of control signals, request signals, interrogation signals etc. wherein a signal comprising a messa... | 03/20/2012 |
| 8139625 | High frequency system on chip transceiver A system-on-chip (SOC) transceiver is provided. The transceiver is configured to operate in excess of 100 GHz and comprising the following components. A quadrature oscillator is configured to generate a fundamental frequency and a second harmonic frequency and compr... | 03/20/2012 |
| 8139624 | System and method for providing multiple ad hoc communication networks on a hardware channel A node for communicating with multiple ad hoc communication networks includes a first antenna configured to communicate in a first frequency band associated with a first ad hoc communication network and a second antenna configured to communicate in a second frequenc... | 03/20/2012 |
| 8130818 | Maximizing power and spectral efficiencies for layered and conventional modulations Methods and apparatuses for maximizing power and spectral efficiencies in a wireless communication system are disclosed. The invention is particularly useful for layered modulation applications because power levels for such applications are relatively high. A layere... | 03/06/2012 |
| 8126036 | Predistortion and post-distortion correction of both a receiver and transmitter during calibration A post-distorter compensates for receiver nonlinearity in calibration mode. Linearized receiver-side output from the post-distorter is used to correctly compensate for transmitter-side nonlinearities in calibration mode. The post-distorter also compensates for recei... | 02/28/2012 |
| 8126035 | Data transfer system, wireless communication device, wireless communication method, and computer program In a data transfer system in which wireless data transmission is carried out between a first device and a second device that each has a UWB wireless device, the data transfer system includes a ranging unit that is provided in the UWB wireless device of at least one ... | 02/28/2012 |
| 8121180 | Automatic output drive level control in home networking transceiver A novel method of configuring a transceiver for data transmission via residential wiring. The method involves setting a DC level at the output terminal of the transceiver, comparing a value representing the DC level with a predetermined threshold level, and controll... | 02/21/2012 |
| 8116359 | Single oscillator transceiver A frequency plan is provided for particular use in a transceiver. Advantageously, a single oscillator may be used to generate desired frequency signals. One or more power splitters receive the signal and equally divide the signal into first and second signals having... | 02/14/2012 |
| 8116357 | Methods and circuits for power management in a transceiver A transceiver circuit having 10 mb and 100 mb transmit and receive circuitries using the power saving methods of the present invention is disclosed. The power consumption of the transceiver circuit can be significantly reduced by providing each defined subcircuit wi... | 02/14/2012 |
| 8116358 | Single oscillator transceiver A frequency plan is provided for particular use in a transceiver. Advantageously, a single oscillator may be used to generate desired frequency signals. One or more power splitters receive the signal and equally divide the signal into first and second signals having... | 02/14/2012 |
| 8111738 | 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... | 02/07/2012 |
| 8107514 | Decoding method for space-time encoding transmission scheme in with multiple input multiple output system and receiving apparatus for using the method A receiver according to an exemplary embodiment of the present invention receives a transmitted signal, converts the signal to a predetermined symbol, and estimates channel information including a channel gain of a channel of the transmitted signal. In addition, the... | 01/31/2012 |
| 8102901 | Techniques to manage wireless connections A system, apparatus, method and article to manage wireless connections are described. The apparatus may include a connection management module to automatically form a first connection between a first mobile device and a second mobile device, and a second connection ... | 01/24/2012 |
| 8077762 | PHY control module for a multi-pair gigabit transceiver A method for controlling operation of a multi-pair gigabit transceiver. The multi-pair gigabit transceiver comprises a Physical Layer Control module (PHY Control), a Physical Coding Sublayer module (PCS) and a Digital Signal Processing module (DSP). The PHY Control ... | 12/13/2011 |
| 8077761 | Data transmission and reception module, and method of adjusting reception threshold value thereof Disclosed is a method of adjusting a reception threshold value in data reception. The method comprises: generating a transmission signal on the basis of a clock regenerated from a reception signal, determining a worst phase at which a bit error rate becomes maximum ... | 12/13/2011 |
| 8073040 | Serial communications control plane with optional features A serial communications protocol is provided that has mandatory features such as an idle code feature and optional features such as an optional automatic lane polarity reversal feature and an optional automatic lane order reversal feature, an optional clock toleranc... | 12/06/2011 |
| 8068537 | Communication circuit for a bi-directional data transmission A communication circuit for providing a bi-directional data transmission over a signal line, thereby receiving a first digital data stream and transmitting a corresponding first signal into a near end of a signal line to a remote device, the remote device being conn... | 11/29/2011 |
| 8068536 | Orthogonal frequency division multiplexing (OFDM) digital radio frequency (RF) transceiver A digital radio frequency (RF) transceiver circuit comprises circuitry that is adapted to select between a transmitter input signal (148) and a receiver input signal. A plurality of filters are adapted to receive either the transmitter input signal or the rec... | 11/29/2011 |
| 8064501 | Method and apparatus for generating a periodic training signal In a method for generating a periodic training signal comprising cyclically expanded training symbols for a transceiver which transmits data via a data transmission channel using a predetermined number N of modulated carrier signals an address pointer for addressing... | 11/22/2011 |
| 8064502 | Wireless communication apparatus, wireless communication method, and computer program A wireless communication apparatus compensates for phase and amplitude imbalances existing among transmit and receive branches, while also preventing likelihood information and SNR estimation error produced by such imbalance compensation. In an apparatus having a pl... | 11/22/2011 |
| 8054871 | Semiconductor device and semiconductor integrated circuit A semiconductor device including a pair of stacked semiconductor ICs capable of communicating with each other by wireless. Each IC has: a transmitter circuit operable to send, by wireless, transmit data together with a clock signal deciding a transmission timing, an... | 11/08/2011 |
| 8054869 | Reduced complexity frequency band and virtual antenna combination (VAC) selection A downlink Channel Quality Indicator (CQI) is estimated in two steps. Initially, one or more subsets of received reference symbols are selected. If the transmitter may transmit signals in one or more of two or more frequency bands, optimal frequency bands are select... | 11/08/2011 |
| 8054870 | System for transmitting information data from a transmitter to a receiver over a nested block channel The present invention concerns a system for transmitting information data from a transmitter to a receiver over nested block channel, the transmitter (TRD) comprising an encoder (ENC) following an error correcting code structure, the receiver (RCV) comprising a deco... | 11/08/2011 |
| 8054868 | UWB transmitting/receiving apparatus, UWB transmitting/receiving terminal apparatus, and UWB transmitting/receiving system A UWB transmitting/receiving apparatus, a UWB transmitting/receiving terminal apparatus and a UWB transmitting/receiving system wherein a possibly reduced number of data retransmissions is achieved so as to raise the transmission efficiency. A UWB transmitting/recei... | 11/08/2011 |
| 8050312 | System and method for multi-source communications A system and method of multi-source communications, including a source provider, a transmitter, a receiver, a summing device, a plurality of delay devices, and a switch. The source provider provides a signal including a first and second signal. The transmitter is in... | 11/01/2011 |
| 8050314 | Apparatus and method for wireless communication, and computer program A wireless communication apparatus includes a plurality of antenna branches for transmitting and receiving a wireless communication signal, a calibration coefficient calculator for calculating a calibration coefficient for each frequency band, the calibration coeffi... | 11/01/2011 |
