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Method and apparatus for making a drink hop along a bar or counter
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| Number | Title | Issue Date |
| 8116195 | Transmission and reception of reference preamble signals in OFDMA or OFDM communication systems Techniques for generating preamble sequences for OFDM and OFDMA communication systems based on CAZAC sequences with desired properties of constant amplitudes (CA) and zero autocorrelation (ZAC). Such preamble sequences may be used for synchronization and identificat... | 02/14/2012 |
| 8107356 | Method and apparatus for transmitting/receiving a signal in an FFH-OFDM communication system Provided is an apparatus for signal transmission in a Fast Frequency Hopping-Orthogonal Frequency Division Multiplexing (FFH-OFDM) communication system which divides all of the available frequency bands into a plurality of sub-carrier bands and includes a plurality ... | 01/31/2012 |
| 8107357 | Optimized FFT/IFFT module We disclose an optimal hardware implementation of the FFT/IFFT operation that minimizes the number of clock cycles required to compute the FFT/IFFT while at the same time minimizing the number of complex multipliers needed. An input module combines a plurality of in... | 01/31/2012 |
| 8102756 | Method and apparatus for initial acquisition of signaling parameters for a wireless communications network A method of acquiring a forward link only (FLO) network in a radio frequency (RF) in a wireless communication environment, includes selecting a RF from a first list; selecting a signal parameter (SP) from a second list; determining if a first parameter is found usin... | 01/24/2012 |
| 8102757 | Wireless communication apparatus A wireless transmission apparatus is a wireless communication apparatus constituting a base station capable of communicating with one or more terminals, via a wireless LAN, the wireless communication apparatus including: an inverse fast Fourier transform processing ... | 01/24/2012 |
| 8098570 | Spectrum characterization for communication equipment The invention concerns the processing of digital signals, in particular spectral scanning upon reception of a signal. Said processing includes multicarrier shape filtering (12) applied to a received signal prior to computing a Fourier transform (13) ap... | 01/17/2012 |
| 8089857 | Communication equipment which receives OFDM signal, OFDM-based wireless communication system and method for receiving OFDM signal When a receiving apparatus which employs a OFDM-based cellular wireless communication scheme detects as an excessive signal for each frame, the signal having signal intensity exceeding a reference value after a Fourier transform, a gain variable according to an exce... | 01/03/2012 |
| 8089858 | Frame and signalling pattern structure for multi-carrier systems The present invention relates to a transmitting apparatus (54) for transmitting signals in a multi carrier system on the basis of a frame structure, each frame comprising at least two signalling patterns adjacent to each other in the frequency direction and a... | 01/03/2012 |
| 8089859 | Device and method for transmitting and receiving pilot signal in wireless communication system Disclosed is a pilot signal transmitting/receiving device and method in a wireless communication system. When generating a pilot signal block that is shorter than the length of a data signal, a frequency for each predetermined pilot signal block is transitioned so a... | 01/03/2012 |
| 8081561 | Signal generating unit and signal receiving unit A signal generating unit (100) is provided for generating signals. The signal generating unit comprises an IFFT unit (101) for generating an output signal; a filter unit (102) operatively connected to the IFFT unit; and a subtractor (103)... | 12/20/2011 |
| 8064330 | Bit-width minimization scheme for wireless communication A technique for generating a reduced bit-width in a signal generated by a first-type modulator in a communication apparatus that includes two distinct modulators. In particular, the communication apparatus includes a first modulator adapted to generate a first modul... | 11/22/2011 |
| 8050173 | Dynamic precision for datapath modules A system and method for dynamically reducing the precision of datapath modules within an FFT unit without adversely affecting the demodulation of an orthogonal frequency division multiplexing (OFDM) signal. An FFT unit is typically implemented in an OFDM receiver to... | 11/01/2011 |
| 8045451 | Apparatus and method for channel estimation in a mobile communication system An apparatus and a method for estimating a Channel Impulse Response (CIR) with respect to a location where a power of a channel exists are provided to enhance a channel estimator in a mobile communication system. The apparatus includes a CIR searcher for selecting a... | 10/25/2011 |
| 8036100 | Digital signal demultiplexing apparatus and digital signal multiplexing apparatus A digital signal demultiplexing apparatus that can demultiplex and a digital signal multiplexing apparatus that can multiplex signals of channels having arbitrary frequency intervals and bandwidths are provided. The digital signal demultiplexing apparatus performs d... | 10/11/2011 |
| 8031586 | Method and apparatus for transmitter timing adjustment A timing adjustment value is received, and from the received timing adjustment value is determined an integer portion and a fractional portion. In the frequency domain, the determined fractional portion is applied by rotating a signal. Optionally, a phase shift may ... | 10/04/2011 |
| 8031587 | Method and device of synchronizing symbol timing, and OFDM communication system To synchronize symbol timing in a communication system, time-domain signals are generated by performing an IFFT on frequency-domain signals. Positions of power peaks are detected by analyzing a channel impulse response (CIR) of the time-domain signals. Channel state... | 10/04/2011 |
| 8023401 | Apparatus and method for fast fourier transform/inverse fast fourier transform An FFT/IFFT apparatus and method are provided. The FFT/IFFT apparatus includes a storage unit, a first FFT/IFFT unit, a second FFT/IFFT unit, and a third FFT/IFFT unit. The storage unit has as many addresses as the number of bits of input data. The first FFT/IFFT un... | 09/20/2011 |
| 8023399 | Channel estimation in a wireless communication system A plurality of communication bursts are transmitted substantially simultaneously in a time slot of a time division duplex/code division multiple access communication system. The communication system has a maximum number of K midamble shifts. Each burst has an assign... | 09/20/2011 |
| 8023400 | Apparatus and method for transmitting/receiving and relaying signal in a communication system using DOFDM/DOFDMA A signal transmission apparatus in a Double Orthogonal Frequency Division Multiplexing (DOFDM)/Double Orthogonal Frequency Division Multiple Access (DOFMA) communication system generates a first signal by performing row-wised Orthogonal Frequency Division Multiplexi... | 09/20/2011 |
| 8023402 | Low conversion rate digital dispersion compensation A method of suppressing effects of aliasing in a system for digitally processing a high speed signal having a symbol rate of 1/T. The high speed signal is sampled at a fractional multiple (N) of the symbol rate, wherein 1 | 09/20/2011 |
| 8018834 | Methods and devices for wire-based configuration of wireless devices The invention relates to a method for configuring a wireless interface of a first electronic device, comprising establishing a wired connection with a second electronic device having a wireless interface; negotiating, via said connection, a configuration for said wi... | 09/13/2011 |
| 8014273 | Dynamic feedback from an internet service provider about network occupancy/availability In one embodiment, the present invention is directed to a system for providing user access to a public network that includes (a) a service modification agent 154 operable to (i) determine that public network resources are available for use; (ii) determine tha... | 09/06/2011 |
| 8000228 | Pilot signal in an FDMA communication system Methods (500, 800) and corresponding systems (100, 200, 300, 400, 900) for generating a pilot symbol (330) include providing an M-point parallel transform sequence that is a discrete Fourier transform of a CAZAC sequence (312, 504-508 | 08/16/2011 |
| 7990845 | System and method for FFT window timing synchronization for an orthogonal frequency-division multiplexed data stream A system and method for determining an FFT window location for reception of an OFDM signal received over a transmission channel. The OFDM signal includes a plurality of symbols each having a guard interval. The system includes a correlation module that determines a ... | 08/02/2011 |
| 7986615 | Demodulating circuit, demodulating method, program, and receiving device A demodulating circuit including: an FFT processing section; an intercarrier interferential component removing section; an extracting section; a transmission path characteristics estimating section; an interpolating section; a symbol sequence estimating section; and... | 07/26/2011 |
| 7974181 | Systems and methods for transmit-only peak-to-average ratio reduction in the oversampled regime using reserved tones Systems and methods for reducing the peak-to-average power ratio (PAR) at the transmitter can reduce the dynamic range required in various analog components. PAR can be reduced by applying a time-domain compensation signal in the oversampled regime, using tones rese... | 07/05/2011 |
| 7974180 | Transmitting/receiving apparatus of wideband wireless channel apparatus using multiple carriers The present invention relates to transmitting/receiving apparatuses of a wideband radio channel measuring device using a multi-carrier. The wideband radio channel measuring device using the multi-carrier may measure radio channel characteristics at a frequency domai... | 07/05/2011 |
| 7961593 | Downlink acquisition The subject matter disclosed herein provides methods and apparatus, including computer program products, for detecting a preamble to enable acquisition of a downlink. In one aspect, there is provided a method. The method may include receiving a plurality of symbols.... | 06/14/2011 |
| 7957265 | Systems and method for orthogonal frequency divisional multiplexing Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprising: a receiver configured to de-modulate symbols from at least one of a plurality of spectrally overlapping carrier signals; a transmitt... | 06/07/2011 |
| 7952991 | Method and apparatus for transmitting and receiving control information in a single carrier FDMA system Provided is a method and an apparatus for transmitting a large quantity of control information in a mobile communication system. When there is no uplink data to be transmitted, a UE spreads second control information, a quantity of which is less than or equal to a p... | 05/31/2011 |
| 7948868 | Method and arrangement relating to the insertion of pilot tones in the frequency domain in SC-FDMA The present invention relates to a method and arrangement for enhancing efficiency of transmission using Single Channel-Frequency Division Multiple Access (SC-FDMA). The method comprises the step of: applying a Discrete Fourier Transformation (DFT) of time signal pr... | 05/24/2011 |
| 7933196 | Method and apparatus for canceling channel interference An apparatus for channel interference cancellation includes a first interference-cancellation module and a first cancellation-signal generating circuit. The first interference-cancellation module comprises a first processing circuit including a grouping circuit and ... | 04/26/2011 |
| 7929417 | Method of allocating reference signals in MIMO system There is provided a method of allocating reference signals in a multiple-input multiple-output (MIMO) system. The method includes allocating a first reference signal, a second reference signal and a third reference signal in a first OFDM symbol so that the first ref... | 04/19/2011 |
| 7920462 | Amplitude attenuation estimation and recovery systems for OFDM signal used in communication systems This disclosure relates to amplitude correction for orthogonal frequency division multiplexing signals received by a communication device. An amplitude attenuation estimation is performed for amplitude correction on received OFDM signals. ... | 04/05/2011 |
| 7916625 | Method for variable cyclic length in OFDM communications Messages transmitted between a receiver and a transmitter are used to maximize a communication data rate. In particular, a multicarrier modulation system uses messages that are sent from the receiver to the transmitter to exchange one or more sets of optimized commu... | 03/29/2011 |
| 7907513 | Superimposed composite channel filter Methods and systems are provided to generate digital coefficients for a filter. The generation of coefficients relies on a Fourier transformation of an impulse response in time domain that is zero padded, e.g., zeros are appended to an array corresponding to a sampl... | 03/15/2011 |
| 7898936 | Combined OFDM and wavelet multi-carrier transceiver A multicarrier transmitter and receiver uses a first inverse fast Fourier transformer for performing an Inverse Fast Fourier Transform (IFFT) on a parallel input data signal, an imaginary component filter for filtering out the imaginary component of an output signal... | 03/01/2011 |
| 7898935 | OFDM/DMT/digital communications system including partial sequence symbol processing A method of managing a signal over a symbol period includes supplying samples of the signal at beginning and end portions of the symbol period. The method further includes suppressing the supply of samples of the signal at a middle portion of the symbol period. ... | 03/01/2011 |
| 7894331 | Adaptive time-domain interpolation for OFDM scattered pilot symbols A receiver for use in a pilot-aided OFDM system and a method of performing channel length estimation of a channel in a wireless communication system includes using transmitted and received wireless signals to estimate a channel carrier function vector at continuous ... | 02/22/2011 |
| 7864664 | Delay profile generator A delay profile generator that includes a delay profile generating component, a delay profile extracting component, an integrating component, a comparing component and a correcting component, is provided. The integrating component, in the delay profile extracted by ... | 01/04/2011 |
