AUGUSTA TECHNOLOGY, INC. Patent applications |
Patent application number | Title | Published |
20100261466 | Systems and Methods for Operating a Virtual Whiteboard Using a Mobile Phone Device - A method for operating a virtual whiteboard using a mobile phone device, comprises the steps of: generating the virtual whiteboard, wherein the mobile phone device is coupled to the virtual whiteboard to input data to the virtual whiteboard; connecting the mobile phone device to an external display device; displaying the virtual whiteboard on the external display device; and operating the virtual whiteboard using the mobile phone device; wherein markings on the virtual whiteboard correspond to spatial movements of the mobile phone device. | 10-14-2010 |
20100216508 | Systems and Methods for Driving an External Display Device Using a Mobile Phone Device - A mobile phone device comprises the following: a processor; a first display controller for driving an internal display of the mobile phone device; and a second display controller for driving an external display, wherein the external display is connectable to the second display controller via a connector. | 08-26-2010 |
20100216506 | System and Methods for Supporting Multiple Communications Protocols on a Mobile Phone Device - A mobile phone device utilizing a first communications protocol and a second communications protocol, comprises: a first system having a general processor, a memory, a first communications system providing for the first communications protocol and utilizing a first communications protocol stack, and a first link; a second system having a dedicated communications accelerator providing for the second communications protocol and utilizing a second communications protocol stack, and a second link; wherein the first link and the second link are connected; and wherein the memory in the first system holds the first communications protocol stack and the second communications protocol stack. | 08-26-2010 |
20100050129 | 3D Graphical User Interface For Simultaneous Management Of Applications - A method for providing a graphical user interface for an electronic device, wherein the electronic device having a display and a plurality of associated applications, comprising the steps: generating the appearance of a virtual three dimensional object having a plurality of panels, wherein the panels are positioned on the surface of the object; associating each of the panels to one of the applications; and displaying two or more of the panels of the object on the display, wherein the associated applications of the panels are displayed. | 02-25-2010 |
20090168930 | Methods and Systems for Doppler Estimation and Adaptive Channel Filtering in a Communication System - A method for Doppler shift estimation for channel estimation of a received signal, comprising the steps of: calculating time domain correlations; providing a Hamming window over the calculated time domain correlations; calculating a power spectrum by using FFT; calculating an adaptive threshold based on a noise floor and an average power density calculated from the power spectrum; and estimating a Doppler shift based on the adaptive threshold. | 07-02-2009 |
20090122918 | Methods for Compensating for I/Q Imbalance in OFDM Systems - The present invention relates to methods for demodulating orthogonal frequency division multiplexing (OFDM) modulated signals. In particular, this invention relates to methods for in-phase (I) and quadrature phase (Q) imbalance compensation in OFDM systems. For example, the present invention relates to methods for calculating an IQ imbalance compensated signal from a received signal, comprising the steps of: removing DC from the received signal; calculating an autocorrelation matrix of IQ signal vector of the received signal; estimating IQ imbalance compensation values, K | 05-14-2009 |
20090110135 | Methods for PRS-Based Symbol Timing Adjustment for OFDM Systems - This invention relates to methods for determining symbol timing shift for a received signal, comprising the steps of: demodulating a received signal; removing a phase reference sequence from the demodulated signal to generate a channel frequency response; converting said channel frequency response to the time domain to generate a channel impulse response; determining a detection threshold; determining a first path and a last path as a function of the detection threshold; and calculating a timing shift as a function of the first path and the last path. | 04-30-2009 |
20090103667 | Methods for Modified Signal Acquisition for OFDM Schemes - This invention relates to methods for determining coarse symbol timing and mode detection by using CP correlation-based techniques. In particular, this invention relates to methods for determining symbol timing, frame timing, and system mode for signal acquisition, comprising the steps of: detecting symbol timing and system mode based on cyclic prefix correlation; and determining a null symbol as a function of a pre-defined number of consecutive symbols and using said null symbol to determine frame timing. | 04-23-2009 |
20090103601 | Methods for Soft Bit Companding for Time De-interleaving of Digital Signals - This invention provides methods for reducing the bit width of soft information, while maintaining a large dynamic range by applying compression and expansion. In particular, this invention provides methods for time de-interleaving of soft information, comprising the steps of: quantizing the soft information into a first soft information having a first pre-defined number of bits; compressing the first soft information into a second soft information having a second pre-defined number of bits; time de-interleaving the second soft information; and decompressing the time de-interleaved second soft information. | 04-23-2009 |
20090097597 | Methods For Coarse Frequency Offset Estimation For Orthogonal Frequency Division Multiplexing Schemes - The present invention provides methods for coarse frequency offset estimation, where those methods may comprise the steps of: removing fading channel impact by calculating accumulated correlation values; removing CCI and phase rotation due to large sampling offset by calculating an accumulation metric as a function of the accumulated correlation values, CCI peak, and initial sampling offset, ΞΎ; and finding the coarse frequency offset as a function of the accumulation metric. | 04-16-2009 |
20090097596 | Methods and Systems for Impulse Noise Compensation for OFDM Systems - Methods and systems are provided to reduce the effects of impulse noise in decoding a received OFDM signal by reducing the bit error number in burst error positions and by reducing the impulse noise contribution to channel estimation. In order to reduce the performance degradation due to impulse noise, it is important to find the position or the OFDM symbol where impulse noise occurs. The high noise variance gain can then be used for a Viterbi decoder to reduce the bit error number in burst error position, and also to reduce the contribution of the channel estimation by impulse noise in future channel estimations. Accordingly, the performance of the system can be greatly improved. | 04-16-2009 |
20090097578 | Methods for Decoding TPS Carriers in OFDM Systems - The present invention relates to methods for TPS demodulation, frame boundary detection, and TPS decoding. In particular, the present invention relates to a method for finding a frame boundary in demodulating an OFDM signal, comprising the steps of: differentially demodulating each symbol to generate differentially demodulated symbol bits; and finding a sync word position when the scatter pilot position equals zero, wherein the sync word position is set as the frame boundary. | 04-16-2009 |
20090052791 | Methods for Calculating Video Inverse Transform - Inverse transforms used in video and image compression/decompression, such as DCT/IDCT used in MPEG-2 and MPEG-4, or the integer transforms used in H.264, are usually calculated with fast algorithms, which only take advantage of the symmetry existing in the transform matrix but ignores the peculiarities in the input data. While these kind of fast algorithms can apply to both forward and inverse transforms, they tend to be inefficient in calculating inverse transforms. In inverse transforms, most of the coefficients become zero after quantization, this invention takes advantage of this fact to further simplify the general fast algorithm and speed up the calculation. | 02-26-2009 |
20080317364 | Methods for determining neighboring locations for partitions of a video stream - This invention describes methods for pre-computing neighboring locations for partitions in a video stream and for placing those pre-computed neighboring locations into a table for later retrieval and later use. The redundancy in the information of the pre-computed neighboring locations can be used to reduce the number entries in the table of neighboring locations, thus effectively reducing the amount of memory needed to store this table. Further, indexing schemes are used for non-MBAFF coded video streams and MBAFF coded video streams to further minimize memory usage. | 12-25-2008 |
20080298473 | Methods for Parallel Deblocking of Macroblocks of a Compressed Media Frame - This invention relates to methods for the parallel deblocking of macroblocks of a compressed media frame, such as a frame from a compressed video stream, to smooth out artifacts and discontinuities caused by the compression of the media. These methods for parallel deblocking of a frame having a plurality of tiles wherein each tile having a data dependency on zero or more of said tiles, comprising the steps of: constructing a reference deblocking sequence for the processing of said tile as a function of the data dependency of each respective tile; calculating scheduling indices for said tiles as a function of said reference deblocking sequence; and deblocking said tiles in accordance with said scheduling indices. | 12-04-2008 |
20080298399 | Methods for Synchronizing the Transmission and the Reception of a Media Stream Over a Network - The present invention relates to methods for synchronizing the transmission and the reception of a media stream over a network, such as the Internet, comprising of a receiver clock having an adjustable reset value, where the adjustable reset value may be a function of the reference time for a receiver clock and the reference time for a sender clock. | 12-04-2008 |
20080260056 | Methods for Selecting a Coarse Frequency Offset Estimation for an Orthogonal Frequency Division Multiplexing Modulated Signal - The present invention provides methods for selecting the coarse frequency offset estimation in an orthogonal frequency division multiplexing system that may include: searching within a predefined subset for a set of frequency offset candidates; selectively searching outside the predefined subset for additional frequency offset candidates; and combining one or more ICDC method and CIR based method to select the coarse frequency offset. | 10-23-2008 |