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Bandspeed, Inc. Patents
Assignee:
Bandspeed, Inc.
Address:
Austin, TX
No. of patents:
25
Patents:












Patent Number Title Of Patent Date Issued
8023899 Approach for selecting communications channels in communication systems to avoid interference September 20, 2011
An approach for selecting communications channels to be used by a communication system includes evaluating for the presence of one or more signals both a particular communications channel currently being used by the communication system and one or more other communications channels.
8023575 Approach for spectrum analysis in a receiver September 20, 2011
A wireless communications apparatus that it is useable as a spectrum analyzer and as a wireless receiver. The wireless communications apparatus has a radio circuit that is configured to receive EM radiation. Signal processing logic receives signals from the radio circuit based on the
7916814 Method and apparatus for real-time pulse parameter estimator March 29, 2011
A real-time pulse parameter estimator is disclosed herein. In one embodiment, an apparatus has pulse detection logic, an abnormal pulse filter, and a pulse parameter estimator. The pulse detection logic is operable to detect pulses and to record an arrival time of each detected pulse
7903608 Approach for managing the use of communications channels based on performance March 8, 2011
An approach for selecting sets of communications channels involves determining the performance of communications channels. A set of channels is selected based on the results of performance testing and specified criteria. The participant generates data that identifies the selected set
7570614 Approach for managing communications channels based on performance August 4, 2009
An approach for managing communications channels based on performance involves selecting a particular channel based on channel performance. Based on the selected channel, channel identification data is provided to another participant of the communications system to determine on which
7570193 Detecting and recognizing long duration waveforms August 4, 2009
A method and apparatus for processing signal pulses received by a device to identify the presence or absence of a waveform is provided. The waveform may have a long duration and may have a sparse energy distribution. An example of such a waveform is the bin-5 radar waveform. Based on
7555301 Method and apparatus for coverage and throughput enhancement in a wireless communication system June 30, 2009
A multiple access wireless communications architecture provides selective, simultaneous communications with wireless devices located in different sections of a spatial area around a communications apparatus referred to as "sectors". In one embodiment, channel allocation techniques for
7532868 Approach for determining signal to noise ratios based on equalizer outputs and managing power fo May 12, 2009
A novel approach for determining signal to noise ratios based on equalizer outputs and managing power for a plurality of communications channels based on communications channel performance is disclosed. According to one aspect of the invention, a noise power is generated based on an erro
7512404 Method and apparatus for sector channelization and polarization for reduced interference in wire March 31, 2009
The present invention provides in one embodiment channel allocation and polarization techniques for reducing cross sector communications interference in a multiple access wireless communications environment. In one embodiment, channel allocation and/or polarization techniques may be
7482992 Multiple access wireless communications antenna apparatus January 27, 2009
A multiple access wireless communications architecture provides selective, simultaneous communications with wireless devices located in different sections of a spatial area around a communications apparatus referred to as "sectors". This includes communications between wireless devices i
7477624 Approach for managing the use of communications channels based on performance January 13, 2009
An approach for selecting sets of communications channels involves determining the performance of communications channels. A set of channels is selected based on the results of performance testing and specified criteria. The participant generates data that identifies the selected set
7388930 Method and apparatus for removing crosstalk and other interference in communications systems June 17, 2008
An approach for estimating and removing crosstalk and other interference in a communications receiver is disclosed. The approach enables crosstalk and interference of arbitrary origin and power spectral density to be removed from a received signal, thereby improving the signal to noise
7310661 Approach for transferring functions between participants in a communications arrangement December 18, 2007
A novel approach for transferring management functions between participants generally involves the use of an associate master participant that assumes responsibilities for functions assigned to the master participant if the master participant can no longer perform the functions. A pa
7272199 Adaptive adjustment of time and frequency domain equalizers in communications systems September 18, 2007
An update mechanism and approach are provided for configuring a communications receiver. According to the approach, a time domain equalizer and a frequency domain equalizer in a communications receiver are dynamically updated based upon performance data that indicates the performance
7248877 Multiple access wireless communications architecture July 24, 2007
A multiple access wireless communications architecture provides selective, simultaneous communications with wireless devices located in different sections of a spatial area around a communications apparatus referred to as "sectors". This includes communications between wireless devices i
7222166 Approach for managing communications channels based on performance and transferring functions be May 22, 2007
A novel approach for selecting communications channels and participants with which to communicate based on channel performance and transferring management functions between participants in a communications arrangement is disclosed. According to one aspect of the invention, a particular
7177367 Method for bit assignment and fine gain setting in a multi-carrier communications system February 13, 2007
Embodiments of the invention provide for assigning bits to a discrete multi-tone modulation communications system. In an embodiment, one or more channels in the plurality of channels are assigned a number of bits based on a performance characteristic of that channel. One or more chan
7136655 Method and apparatus for coverage and throughput enhancement in a wireless communication system November 14, 2006
A multiple access wireless communications architecture provides selective, simultaneous communications with wireless devices located in different sections of a spatial area around a communications apparatus referred to as "sectors". In one embodiment, channel allocation techniques for
7061986 Method for adaptive bit assignment and fine gain setting in a multi-carrier communications syste June 13, 2006
Bits are assigned to channels of a discrete modulation communications system. A first set of channels and a second set of channels are selected from a plurality of channels in the communications system. The first and second set of channels are selected in order to re-assign one or more
7027418 Approach for selecting communications channels based on performance April 11, 2006
An approach for selecting sets of communications channels involves determining the performance of communications channels. A set of channels is selected based on the results of performance testing and specified criteria. The participant generates data that identifies the selected set
6996199 Approach for processing data received from a communications channel to reduce noise power and op February 7, 2006
An approach for processing data received from a communications channel that minimizes noise power and optimizes impulse response length to reduce interference, such as from inter-symbol interference (ISI) and inter-channel interference (ICI), is disclosed. For example, finite impulse
6987955 Approach for managing power for communications channels based on performance January 17, 2006
A novel approach for managing power for a plurality of communications channels based on communications channel performance is disclosed. According to one aspect of the invention, a first power and a second power that is different than the first power are determined based on performan
6983030 Approach for processing data received from a communications channel in finite precision arithmet January 3, 2006
An approach for processing data received from a communications channel in finite precision arithmetic applications generally involves equalizing received data in the time domain prior to demodulation using finite impulse response (FIR) filtering. FIR coefficients used in FIR filtering
6804313 Approach for processing data received from a communications channel October 12, 2004
An approach for processing data received from a communications channel generally involves equalizing received data in the time domain prior to demodulation by an approach that incorporates mitigation of interference. Oversampling of the received signal provides improved equalization
6295326 Kalman filter based equalization for digital multicarrier communications systems September 25, 2001
A computer-implemented approach for reducing distortion in digital communications systems generally involves obtaining an optimal estimation of the original data using a Kalman filter with an increased length state to remove substantially all ISI in the time domain. The use of an inc

 
 
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