Patent application number | Description | Published |
20080204143 | WIDE DYNAMIC RANGE AMPLIFIER GAIN CONTROL - Linear wide dynamic range variable gain amplifiers can be configured using a variable gain amplifier having an abbreviated gain control range in combination with a discrete attenuator controlled to select an attenuation from a predetermined set of attenuation values. The variable gain amplifier is configured to provide substantially linear gain control over the abbreviated gain control range, where the abbreviated gain control range is less than a total desired gain control range. The difference between adjacent attenuation values in the set of attenuation values is configured to be approximately less than or equal to the abbreviated gain control range. | 08-28-2008 |
20080209499 | CHANNEL CHANGE LATENCY REDUCTION - A wireless communication system is enhanced to allow for low-latency channel surfing and to enable a user to quickly see the content carried over a selected channel while searching channels for desired content. The techniques for reducing the channel change latency may be implemented in a transmitter, receiver, or in a combination of transmitter and receiver. The wireless communication system is optionally a DVB-H communication system. The transmitter may generate and transmit one or more auxiliary channels, where each auxiliary channel contains reduced resolution content corresponding to one or more channels. The receiver may process the one or more auxiliary channels to present the reduced resolution content while processing the full resolution channel for display. The receiver caches portions of content from one or more non-selected channels and presents the cached content when the channel is selected while concurrently searching and processing the full resolution channel content. | 08-28-2008 |
20090040391 | TUNER FOR CABLE, SATELLITE AND BROADCAST APPLICATIONS - A tuner includes, in part, one or mixers, one or more filters, one or more variable gain stages, one or more analog to digital converters, and a baseband processor. Each filter is responsive to an associated mixer's output signal. Each variable gain stage is responsive to an associated filter's output. Each analog-to-digital converter is adapted to convert the output signal of an associated variable gain stage to a digital signal. The baseband processor is responsive to the digital signal supplied by the analog-to-digital converter(s). The baseband processor is further configured to supply a signal to be demodulated by a processing unit external to the integrated circuit. The baseband processor performs no or a fraction of the required demodulation functions. The processing unit may be a central processing unit or a graphical processing unit. | 02-12-2009 |
20090088120 | I/Q Calibration Techniques - A receiver includes a static I/Q calibration block and a correlation/integration block. The static I/Q calibration block is configured to substantially eliminate mismatches between in-phase and quadrature components of a portion of the spectrum having associated I/Q mismatches that are relatively frequency-independent. The correlation/integration block is configured to substantially eliminate mismatches between the in-phase and quadrature components of portions of the spectrum having associated I/Q mismatches that are relatively frequency-dependent in accordance with a pair of signals generated by the static I/C calibration block. | 04-02-2009 |
20090098844 | LOW-COMPLEXITY DIVERSITY USING COARSE FFT AND SUBBAND-WISE COMBINING - A wireless diversity receiver includes, in part, N signal processing paths, a bin-wise combiner, and an inverse transformation module. Each signal processing path includes, in part, a mixer adapted to downconvert a frequency of an RF signal received by that path, an analog-to-digital converter adapted to convert the downconverted signal from an analog signal to a digital signal, and a transformation block adapted to transform the digital signal represented in time domain to an associated frequency domain signal having M subband signals. The bin-wise combiner is configured to combine the corresponding subband signals of the N paths. The inverse transformation block is configured to transform the output of the bin-wise combiner to an associated time-domain signal. | 04-16-2009 |
20090098845 | METHOD AND APPARATUS FOR EFFICIENT DC CALIBRATION IN A DIRECT-CONVERSION SYSTEM WITH VARIABLE DC GAIN - A wireless communication receiver includes a multitude of look-up tables each storing a multitude of DC offset values associated with the gains of an amplification stage disposed in the wireless communication receiver. The entries for each look-up table are estimated during a stage of the calibration phase. During such a calibration stage, for each selected gain of an amplification stage, a search logic estimates a current DC offset number and compares it to a previous DC offset estimate that is fed back to the search logic. If the difference between the current and previous estimates is less than a predefined threshold value, the current estimate is treated as being associated with the DC offset of the selected gain of the amplification stage and is stored in the look-up table. This process is repeated for each selected gain of each amplification stage of interest until the look-up tables are populated. | 04-16-2009 |
20090252264 | LOW-COMPLEXITY DIGITAL RADIO INTERFACE - A radio integrated circuit includes, in part, an analog front end block, an analog-to-digital converter responsive to the analog-front end block, a digital signal processor responsive to the analog-to-digital converter and adapted to generate in-phase and quadrature signals, and a serial communication interface configured to receive and transmit the in-phase and quadrature signals. The serial communication interface supplies a gain control signal to the analog front end block when a switch disposed in the radio integrated circuit is in a first position. When the switch is in a second position, a gain control block disposed in the radio integrated circuit receives a gain control signal from the analog-to-digital converter and supplies the gain control signal to the analog front end block. The digital signal processor may be configured to interleave the in-phase and quadrature signals. | 10-08-2009 |
20090258625 | GAIN PARTITIONING IN A RECEIVER - An automatic gain control loop disposed in a receiver is adapted to compensate for varying levels of out of band interference sources by adaptively controlling the gain distribution throughout the receive signal path. One or more intermediate received signal strength indicator (RSSI) detectors are used to determine a corresponding intermediate signal level. The output of each RSSI detector is coupled to an associated comparator that compares the intermediate RSSI value against a corresponding threshold. The take over point (TOP) for gain stages is adjusted based in part on the comparator output values. The TOP for each of a plurality of gain stages may be adjusted in discrete steps or continuously. | 10-15-2009 |
20100003943 | Harmonic Reject Receiver Architecture and Mixer - Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection. | 01-07-2010 |
20100271558 | HYBRID RECEIVER ARCHITECTURE USING UPCONVERSION FOLLOWED BY DIRECT DOWNCONVERSION - A receiver configured to selectively receive an RF signal from an operating band having a plurality of RF channels. The receiver is configured to upconvert the desired RF channel to an intermediate frequency (IF) greater than the RF channel frequencies. The upconverted RF channel is downconverted to baseband or a low IF. The receiver can perform channel selection by filtering the baseband or low IF signal. The baseband or low IF signal can be upconverted to a programmable output IF. | 10-28-2010 |
20100296567 | Channel-sensitive power control - A communication receiver which applies signal processing for quantitatively estimating receive signal factors such as communication channel quality, signal characteristics, and overall system received bit error rate (BER) or packet error rate (PER) and which applies a general algorithm for mapping these estimated factors to control receiver performance and minimize power consumption. | 11-25-2010 |
20110009080 | RECEIVER ARCHITECTURE WITH DIGITALLY GENERATED INTERMEDIATE FREQUENCY - A receiver can be configured to include an RF front end that is configured to downconvert a received signal to a baseband signal or a low Intermediate Frequency (IF) signal. The receiver can downconvert the desired signal from an RF frequency in the presence of numerous interference sources to a baseband or low IF signal for filtering and channel selection. The filtered baseband or low IF signal can be converted to a digital representation. The digital representation of the signal can be upconverted in the digital domain to a programmable IF frequency. The digital IF signal can be converted to an analog IF signal that can be processed by legacy hardware. | 01-13-2011 |
20110081877 | DUAL CONVERSION RECEIVER WITH PROGRAMMABLE INTERMEDIATE FREQUENCY AND CHANNEL SELECTION - A dual conversion receiver architecture that converts a radio frequency signal to produce a programmable intermediate frequency whose channel bandwidth and frequency can be changed using variable low-pass filtering to accommodate multiple standards for television and other wireless standards. The dual conversion receiver uses a two stage frequency translation and continual DC offset removal. The dual conversion receiver can be completely implemented on an integrated circuit with no external adjustments. | 04-07-2011 |
20110105068 | WIDEBAND TUNER ARCHITECTURE - A wideband receiver system is provided to concurrently receive multiple RF channels including a number of desired channels that are located in non-contiguous portions of a radio frequency spectrum and to group the number of desired channels into a contiguous frequency band. The system includes a wideband receiver having a complex mixer for down-shifting the multiple RF channels and transforming them to an in-phase signal and a quadrature signal in the baseband. The system further includes a wideband analog-to-digital converter module that digitizes the in-phase and quadrature signals and a digital frontend module that transforms the digital in-phase and quadrature signals to baseband signals that contains only the number of desired RF channels. that are now located in a contiguous frequency band. An up-converter module up-shifts the baseband signals to a contiguous band in an IF spectrum so that the system can directly interface with commercially available demodulators. | 05-05-2011 |
20110164690 | METHODS AND SYSTEMS FOR LOCATION ESTIMATION - A receiver system and method for determining the location of a device in a wireless network having a plurality of transmitters is provided. The method includes receiving a signal at the device, transforming the received signal into a time-domain signal having a characteristic, and computing a range of the device from each of the plurality of transmitters based on the characteristic. Additionally, the method includes determining the location of the device based on the computed ranges. In certain embodiments, the characteristic may be a time of arrival, time difference of arrival, or a signal strength, and the wireless network is a DTV broadcasting network. | 07-07-2011 |
20110169697 | GPS-ASSISTED SOURCE AND RECEIVER LOCATION ESTIMATION - A mobile communication device includes, in part, a first wireless receiver adapted to determine, as it travels along a path, a multitude of positions of the mobile communication device using signals received from a primary positioning source, a second wireless receiver adapted to receive signals from one or more ambient wireless sources as the mobile communication device travels along the path, and a positioning module. An internal or external memory stores estimated positions and corresponding time references of the signals of the one or more ambient sources. The positioning module uses the data stored in the database to estimate the position of the mobile communication device when no primary positioning source signal is available. The positioning module optionally uses the data stored in the database to improve estimates of the position of the mobile communication device when primary positioning signal is available. | 07-14-2011 |
20110170587 | EDGE EQUALIZER - To compensate for roll-off while estimating a communication channel, an estimate of the channel is provided using a signal transmitted via the communication channel. The pilot tones positioned along the edges of the estimated channel are divided by the corresponding pilot tones of the received signal to generate a first number of ratios. An algorithm is thereafter applied to the first number of ratios to generate a second number of ratios associated with the non-pilot tones positioned along the edges of the estimated channel. Next, numbers that are inverse of the first and second number of ratios are applied to the pilot and non-pilot tones positioned along the edges of the estimated channel to compensate for the roll-offs in the estimated channel. | 07-14-2011 |
20110227614 | TCXO Replacement for GPS - To determine the level of frequency drift of a crystal oscillator as a result of a change in the its temperature, the temperature of the crystal oscillator is sensed and used together with previously stored data that includes a multitude of drift values of the frequency of the crystal oscillator each associated with a temperature of the crystal oscillator. Optionally, upon initialization of a GPS receiver in which the crystal oscillator is disposed, an initial temperature of the crystal oscillator is measured and a PLL is set to an initial frequency in association with the initial temperature. When acquisition fails in a region, the ppm region is changed. The temperature of the crystal oscillator is periodically measured and compared with the initial temperature, and the acquisition process is reset if there is a significant change in temperature. The GPS processor enters the tracking phase when acquisition is successful. | 09-22-2011 |
20110280349 | APPARATUS & METHODS FOR SYMBOL TIMING ERROR DETECTION, TRACKING AND CORRECTION - Systems and methods for adjusting timing in a communication system, such as an OFDM system are described. In one implementation an error signal is generated to adjust the timing of a variable rate interpolator so as to adjust FFT timing. The error signal may be based on detection of significant peaks in an estimate of the impulse response of the channel, with the peak locations being tracked over subsequent symbols and the system timing adjusted in response to changes in the peaks. | 11-17-2011 |
20110285912 | Integrated IF SAW Filter in Baseband Digital Design for Analog TV (or Hybrid) Tuner - A filter for processing a digital TV composite signal having a video component and an audio component includes a digital video filter and a digital audio filter. The digital video filter includes a lowpass finite impulse response (FIR) filter, an up-mixer, an asymmetric filter for compensating a Nyquist slope of the video component, and a down-mixer connected in this order. The digital audio filter includes an audio down-mixer, a decimated FIR filter, an enhancing FIR filter, an interpolated FIR filter, and an audio up-mixer. These components are connected in series. Optionally, the decimating FIR filter is decimated by an integer decimation factor M, and the interpolated FIR filter is interpolated by an integer factor N. The integer M and N may have the same value. | 11-24-2011 |
20110291882 | CO-OPERATIVE GEOLOCATION - A method and apparatus for extending the coverage of geolocation to indoor locations through cooperative geolocation. The method includes establishing an ad-hoc wireless network comprising a plurality of devices including a first device. The method includes receiving, at the first device, position information from the plurality of devices and determining a physical location of the first device based on the received position information. In an embodiment, the position information is transmitted in response to a request by the first device. In an embodiment, the position information may include a time of arrival of the request received by each of the plurality of devices; and the time of arrival may be associated with a GNSS time. In an embodiment, the ad-hoc wireless network may be a Wi-Fi network, which is associated with one of the IEEE 802.11 standards. | 12-01-2011 |
20110309976 | INTERMITTENT TRACKING FOR GNSS - A GNSS system operates intermittently and has adaptive activity and sleep time in order to reduce power consumption. The GNSS system provides an enhanced estimate of its position in the absence of GNSS signals of sufficient strength. The user's activity and behavior is modeled and used to improve performance, response time, and power consumption of the GNSS system. The user model is based, in part, on the received GNSS signals, a history of the user's positions, velocity, time, and inputs from other sensors disposed in the GNSS system, as well as data related to the network. During each activity time, the GNSS receiver performs either tracking, or acquisition followed by tracking. The GNSS receiver supports both normal acquisition as well as low-power acquisition. | 12-22-2011 |
20120001797 | GNSS RECEPTION USING DISTRIBUTED TIME SYNCHRONIZATION - A GNSS receiver communicates with any connectivity device, such as a WiFi device that is, in turn, in communication with a wired network having access to the DTI timing. Such connectivity devices may set their timing and frame synchronization to the DTI and thus serve as Geopositiong beacons, thereby enabling the GNSS receiver to accurately determine its position. The GNSS receiver may also use the DTI timing supplied by such a network to perform relatively long integration time so as to achieve substantially improved sensitivity that is necessary for indoor Geopositioning applications. Furthermore, the GNSS data, such as satellite orbital information, may also be propagated by such devices at high speed. By providing this data to the GNSS receivers via such connectivity devices in a rapid fashion, the GNSS receivers are enabled to receive the transmitted data associated with the satellite without waiting for the GNSS transmission from the satellites. | 01-05-2012 |
20120087449 | METHODS AND APPARATUS FOR SYNCHRONIZATION IN MULTIPLE-CHANNEL COMMUNICATION SYSTEMS - Methods and apparatus for processing multichannel signals in a multichannel receiver are described. In one implementation, a plurality of demodulator circuits may provide a plurality of outputs to a processing module, with the processing module then simultaneously estimating noise characteristics based on the plurality of outputs and generating a common noise estimate based on the plurality of outputs. This common noise estimate may then be provided back the demodulators and used to adjust the demodulation of signals in the plurality of demodulators to improve phase noise performance. | 04-12-2012 |
20120105277 | TIME SYNCHRONIZATION WITH AMBIENT SOURCES - Systems and methods for extracting synchronization information from ambient signals, such as broadcast television signals, and using the synchronization information as a reference for correcting the local time base so that a GNSS positioning receiver system maintains relative time base accuracy with respect to a GNSS time. | 05-03-2012 |
20120128045 | METHODS AND APPARATUS FOR INTELLIGENT POWER REDUCTION IN COMMUNICATIONS SYSTEMS - Methods and apparatus for power control in a communications device are described. Bonding of channels in a modem may be dynamically adjusted responsive to user activity or demand for bandwidth. Bonded channel configurations may be adjusted to single channel configurations for low power operation. Modem configuration may be dynamically adjusted so as to maintain only required synchronization and system information to facilitate rapid data transfer resumption upon demand. | 05-24-2012 |
20120151244 | Method and System for Precise Temperature and Timebase PPM Error Estimation Using Multiple Timebases - Methods and systems for precise temperature and timebase ppm error estimation using multiple timebases may comprise measuring a coarse reading of a temperature corresponding to the plurality of timebases. The frequencies of the timebases may be compared to generate a fine reading of the temperature based, at least in part, on the coarse reading and the comparison of the frequencies with respect to models of temperature dependencies for each of the timebases. The timebases may be calibrated utilizing the generated fine reading. The plurality of timebases may comprise different order temperature dependencies. The models of temperature dependencies of each of the plurality of timebases may be updated based, at least in part, on the fine reading of the temperature corresponding to the plurality of timebases. A global navigation satellite system (GNSS) clock signal may be utilized periodically to improve the accuracy of the calibration of the plurality of timebases. | 06-14-2012 |
20120163518 | Method and Apparatus for Broadband Data Conversion - A receiver may receive a signal and process each of a plurality of sub-bands of the received signal via a respective one of a plurality of first-type receive chains. The receiver may utilize a signal output by a first one of the plurality of the first-type receive chains to remove undesired signals from a signal output by a second one of the plurality of the first-type receive chains. The undesired signals may comprise aliases and/or harmonics of one or more signals that fall within a sub-band of the first one of the plurality of the first-type receive chains. The receiver may downconvert, filter, and digitize each of the plurality of sub-bands via a corresponding one of the plurality of the first type receive chains. The received signal may encompass the cable television band, and each of the plurality of sub-bands may comprise a plurality of cable television channels. | 06-28-2012 |
20120244826 | Method and Apparatus for Efficient DC Calibration in a Direct-Conversion System with Variable DC Gain - A wireless communication receiver includes a multitude of look-up tables each storing a multitude of DC offset values associated with the gains of an amplification stage disposed in the wireless communication receiver. The entries for each look-up table are estimated during a stage of the calibration phase. During such a calibration stage, for each selected gain of an amplification stage, a search logic estimates a current DC offset number and compares it to a previous DC offset estimate that is fed back to the search logic. If the difference between the current and previous estimates is less than a predefined threshold value, the current estimate is treated as being associated with the DC offset of the selected gain of the amplification stage and is stored in the look-up table. This process is repeated for each selected gain of each amplification stage of interest until the look-up tables are populated. | 09-27-2012 |
20120281787 | METHOD AND SYSTEM FOR I/Q MISMATCH CALIBRATION AND COMPENSATION FOR WIDEBAND COMMUNICATION RECEIVERS - Methods and systems for I/Q mismatch calibration and compensation for wideband communication receivers may comprise receiving a plurality of radio frequency (RF) channels, downconverting the received plurality of received RF channels to baseband frequencies, determining and removing average in-phase (I) and quadrature (Q) gain and phase mismatch of the downconverted channels, determining a residual phase and amplitude tilt of the downconverted channels with removed average I and Q gain and phase mismatch, and compensating for said residual phase and amplitude tilt I and Q gain and phase mismatch of the downconverted channels. The determined phase tilt may be compensated utilizing a phase tilt correction filter, which may comprise one or more all-pass filters. The average I and Q gain and phase mismatch may be determined utilizing a blind source separation (BSS) estimation algorithm. | 11-08-2012 |
20120289177 | Low-Complexity Diversity Reception - A receiver may comprise a plurality of signal processing paths, a bin-wise combiner, and an inverse transformation block. Each signal processing path may comprise a transformation block that is operable to transform a time-domain digital signal to an associated frequency-domain signal having a plurality of subband signals. The bin-wise combiner may be operable to combine corresponding subband signals of the plurality of signal processing paths. The inverse transformation block may be operable to transform output of the bin-wise combiner to an associated time-domain signal. The transformation block in each said signal processing path may be a Fast Fourier Transform (FFT) block. The number of points used by the FFT block of any one of said plurality of signal processing paths may be based on the delay spread of a signal input to the one of the signal processing paths. | 11-15-2012 |
20120294094 | METHOD AND APPARATUS FOR MEMORY FAULT TOLERANCE - A plurality of data lines and a plurality of bit lines may be used to write to and/or read from an array of memory cells. A switching element may select among different mappings between the plurality of data lines and the plurality of bit lines. The array may, for example, consist of N memory cells, the plurality of bit lines may consist of N bit lines, and the plurality of data lines may consist of N data lines, where N is an integer greater than 1. For a write operation in which a data block is to be written to the array, a configuration of the switching element may be controlled based, at least in part, on how sensitive the data block is to a faulty memory cell among the array of memory cells. | 11-22-2012 |
20120294100 | METHOD AND APPARATUS FOR MEMORY POWER AND/OR AREA REDUCTION - A method and apparatus for memory power and/or area reduction. An array of memory cells may be scanned to detect faulty memory cells, if any, in the array. A supply voltage V | 11-22-2012 |
20120294399 | Low-Complexity Diversity Reception - A system may comprise a plurality of signal processing paths, a bin-wise combiner, an inverse transformation block, and a DAC. Each signal processing path may comprise a transformation block that is operable to transform a first time-domain digital signal to an associated frequency-domain signal having a plurality of subband signals. The bin-wise combiner may be operable to combine corresponding subband signals of the plurality of signal processing paths. The inverse transformation block may be operable to transform output of the bin-wise combiner to an second time-domain signal. The DAC may be operable to converts the second time-domain signal to a corresponding analog signal. | 11-22-2012 |
20120297415 | SYSTEM AND METHOD FOR PROVIDING CONDITIONAL ACCESS IN A SATELLITE TELEVISION SYSTEM - A network device may pair with a particular satellite dish by storing a security key uniquely associated with the particular satellite dish. The network device may then receive encrypted data from the particular satellite dish, and decrypt the received encrypted data utilizing the security key. One or more circuits of the network device may be operable to prevent the network device from decrypting data from any satellite dish other than the particular satellite dish. The network device may be operable such that the security key is the only key that the network device can utilize for decrypting signals received via a particular interface and/or from a particular address. One or more circuits collocated with a satellite dish may be operable to encrypt data utilizing a security key stored in the one or more circuits. The security key may be unique to the one or more circuits and/or satellite dish. | 11-22-2012 |
20120297426 | METHOD AND SYSTEM FOR PROVIDING SATELLITE TELEVISION SERVICE TO A PREMISES - Methods and systems for providing satellite television service to a premises may comprise receiving satellite television signals utilizing a satellite dish, converting received satellite signals to internet protocol (IP) signals, and wirelessly communicating the IP signals into a premises to which the satellite dish corresponds. The IP signals may, for example, conform to a multimedia over cable alliance (MoCA) standard or a IEEE 802.11x standard. The wirelessly communicating may comprise magnetic coupling. The received satellite signals may, for example, be converted to IP signals utilizing an IP low-noise block downconverter (IP-LNB) which may comprise full-band capture receivers. The wireless communication of the IP signals may, for example, be within a wireless network of the dwelling or may be independent of a wireless network of the dwelling. The wirelessly communicated IP signals may be beam-formed and may be communicated wirelessly over one or more industrial, scientific, and medical (ISM) bands. | 11-22-2012 |
20120300887 | HARMONIC REJECT RECEIVER ARCHITECTURE AND MIXER - Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection. | 11-29-2012 |
20120302192 | HARMONIC REJECT RECEIVER ARCHITECTURE AND MIXER - Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection. | 11-29-2012 |
20120302193 | HARMONIC REJECT RECEIVER ARCHITECTURE AND MIXER - Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection. | 11-29-2012 |
20130094415 | Method and System for Server-Side Handling of a Low-Power Client in a Wide Area Network - A CMTS may receive a request that a network device be permitted to enter a power-saving mode of operation. In response, the CMTS may enter a power-saving mode of operation wherein MAC management messages, transmission opportunities for the sleeping network device, and/or contention periods on one or more channels occur at independently determinable intervals. The CMTS may then transmit a message granting the network device permission to enter the power-saving mode of operation. The CMTS may start a sleep timer upon transmitting the MAC management message and may deregister the network device if no communication is received from the network device prior to expiration of the sleep timer. The CMTs may buffer traffic destined for the network device in a buffer of the CMTS while the network device is in the power-saving mode of operation, and may wake the network device upon the amount of buffered traffic reaching a threshold. | 04-18-2013 |
20130094416 | Method and System for Client-Side Message Handling in a Low-Power Wide Area Network - A network device (e.g., a cable modem) may support a normal mode of operation and a sleep mode of operation. While in the normal mode, a PHY of the network device may process a received signal to recover MPEG-TS packets, and convey the MPEG-TS packets to other components of the network device for further processing. While in the sleep mode, the PHY may process received MPEG-TS packets having a particular packet identifier and drop received MPEG-TS packets not having the particular packet identifier. The PHY may control transitions between the normal mode and the sleep mode in response to received signals having particular physical layer characteristics. The PHY may demodulate a received signal to recover an MPEG-TS packet; descramble portions of the MPEG-TS packet; inspect portions of the MPEG-TS packet; and control a mode of operation of the network device based on the contents of the MPEG transport stream. | 04-18-2013 |
20130094551 | Method and System for a Low-Power Client in a Wide Area Network - A network device may be operable to receive an indication from a cable modem termination system (CMTS) that media access control (MAC) management messages will be transmitted by the CMTS at fixed intervals. Subsequent to receiving the indication, the network device may be operable to power down one or more components of the network device and set a sleep timer to a value equal to an integer multiple of the fixed interval minus a transition period. The network device may power up the one or more components of the network device upon expiration of the sleep timer. The network device may power up the one or more components of the network device upon an amount of traffic in a buffer of the network device reaching a threshold. | 04-18-2013 |
20130097240 | METHOD AND SYSTEM FOR SERVER-SIDE MESSAGE HANDLING IN A LOW-POWER WIDE AREA NETWORK - A network device may be operable to manage a network connection of customer premise equipment (CPE). While the CPE is operating in a normal mode of operation, the network device may communicate with the CPE utilizing one or more messages of a first type. While the CPE is operating in a low-power mode of operation, the network device may communicate with the CPE utilizing one or more messages of a second type. The network device may be operable to determine a particular program identifier to be utilized for messages the first type of message, and transmit such message(s) to the CPE. The message(s) transmitted while the CPE is in a low-power mode may comprise MPEG-TS packets having the particular program identifier. The message(s) transmitted while the CPE is not in the low-power mode may comprises MPEG-TS packets not having the particular program identifier. | 04-18-2013 |
20130117785 | Method and Apparatus for Communicating Electronic Service Guide Information in a Satellite Television System - Aspects of a method and apparatus for communicating electronic service guide information in a satellite television system are provided. A satellite communication system may receive a signal via an interface to a satellite dish, and receive data from a network via a second interface (e.g., an interface to a LAN or a WAN, such as the Internet). The satellite communication system may be operable to channelize the received satellite signal into a plurality of channels, wherein a first channel of the plurality of channels carries electronic service guide (ESG) data. The satellite communication system may select which of the plurality of channels to input to a demodulator based, at least in part, on whether ESG data is available via the second interface. A second channel carrying media data may be input to the demodulator while the ESG data is available via the second interface. | 05-09-2013 |
20130120665 | METHOD AND SYSTEM FOR MULTI-PATH VIDEO AND NETWORK CHANNELS - Methods and systems for multi-path video and network channels may comprise a communication device comprising a wideband path (WB) and a narrowband path (NB), wherein the WB may be operable to receive a plurality of channels and the NB may be operable to receive a single channel. Video channels and a network channel may be received in the WB when the device is operating in a first stage. Video channels and a network channel may be received in the WB and the network channel may also be received in the NB when the device is operating in a second stage. The network channel may be received in the NB when the device is operating in a third stage. The reception of the network channel from both the WB and the NB may enable a continuous reception of the network channel in a transition between the first and third stages. | 05-16-2013 |
20130122847 | Harmonic Reject Receiver Architecture and Mixer - Receiver architectures and methods of processing harmonic rich input signals employing harmonic suppression mixers are disclosed herein. The disclosed receivers, mixers, and methods enable a receiver to achieve the advantages of switching mixers while greatly reducing the mixer response to the undesired harmonics. A harmonic mixer can include a plurality of mixers coupled to an input signal. A plurality of phases of a local oscillator signal can be generated from a single local oscillator output. Each of the phases can be used to drive an input of one of the mixers. The mixer outputs can be combined to generate a frequency converted output that has harmonic rejection. | 05-16-2013 |
20130133012 | METHOD AND SYSTEM FOR PROVIDING A HOME CABLE NETWORK - Methods and systems for providing a home cable network may comprise, for example, in a premises-based wired network (network), receiving by a root node network controller (NC), signals that conform to first protocols, where the signals may be received from sources external to the premises. The received signals may be bridged to conform to a second communications protocol and communicated to one or more networked devices comprising a television set top box downstream from the root node device where, for example, only signals conforming to the second communications protocol may be communicated. The first protocol signals may comprise data over cable service interface specification (DOCSIS), cable television, satellite television, fiber-to-the-home, and/or digital subscriber (DSL) signals. The second communications protocol may, for example, comprise a multimedia over cable alliance (MoCA) standard. The bridged signals may be communicated to networked devices at a frequency that is independent of the first communications protocols. | 05-23-2013 |
20130135535 | METHOD AND APPARATUS FOR FAST CHANNEL CHANGE - A device operable to handle channelized media content may generate a prediction that a first channel will be selected for presentation based on a partially-input channel identifier. The device may process the first channel while concurrently processing a second channel, the second channel having been previously selected for presentation. The prediction may be updated upon input of each character of the channel identifier. The prediction may be based on a position of a user's finger on a remote control and/or based on channels being consumed by consumers in a common demographic with the user. The processing of the first channel may comprise partially decoding the first channel and buffering the partially-decoded first channel. Upon said first channel being selected for presentation, the device may read the partially-decoded first channel from memory, further decode the partially-decoded first channel to recover content, and outputting the recovered content. | 05-30-2013 |
20130138826 | Method and System for Cross-Protocol Time Synchronization - Methods and systems for cross-protocol time synchronization may comprise, for example in a premises-based network, receiving a signal that conforms to a first communications protocol (e.g., a general-purpose communications protocol), extracting a global time of day (GTOD) clock from the received signal; and synchronizing communication on the premises-based network in accordance with a second communication protocol, based at least in part on the extracted GTOD clock. The first communications protocol may comprise data over cable service interface specification (DOCSIS) or any protocol that provides a GTOD. The second communication protocol may comprise a multimedia over cable alliance (MoCA) standard, an IEEE 802.11x standard, or any non-public wireless network protocol. The GTOD clock may comprise a GPS clock, a GLONASS clock, and/or a Galileo clock. One or more of the networked devices may comprise a network controller, where the network controller comprises wireless network and wired network capability. | 05-30-2013 |
20130141565 | Method and System for Location Determination and Navigation using Structural Visual Information - Methods and systems for location determination using structural visual information may comprise receiving global navigation satellite system (GNSS) signals in a wireless device (WD) for determining a first position of the WD. One ore more images of a structure or structures near the WD may be captured and a position may be determined based on a comparison of the structures in the images to structures in a stored database. The database may be pre-stored based on a known future location of a user of the WD. The database may be downloaded and stored when insufficient GNSS signals are present. The database may comprise a plurality of images or may comprise video of structures. A distance from the structures may be determined based on known optical properties of a camera in the WD, and may be used to determine an accurate location based on the images. | 06-06-2013 |
20130141995 | METHOD AND APPARATUS FOR MEMORY FAULT TOLERANCE - One or more circuits may include an array of memory cells corresponding to a particular memory address. The one or more circuits may be operable to discover a location of a faulty memory cell in the array of memory cells. The one or more circuits may be operable to arrange the order in which the bits of a data block are stored to said array of memory cells based, at least in part, on said discovered location of said faulty memory cell. | 06-06-2013 |
20130141996 | METHOD AND APPARATUS FOR MEMORY FAULT TOLERANCE - One or more circuits may comprise an array of memory cells corresponding to a particular memory address, and a memory fault mitigation module. The one or more circuits may be operable to write a data block to the array of memory cells. The write operation may comprises a swap of a first portion of the data block with a second portion of the data block in response to a detection that one or more memory cells of the array is faulty, and storing the data block to the array of memory cells after the swap. | 06-06-2013 |
20130147521 | METHOD AND APPARATUS FOR AN ENERGY-EFFICIENT RECEIVER - One or more circuits may comprise at least one first-type analog-to-digital converter (ADC) and at least one second-type ADC. The circuit(s) may be operable to receive a plurality of signals, each of which may comprise a plurality of channels. The circuit(s) may be operable to digitize a selected one or more of the channels. Which, if any, of the selected channels are digitized via the at least one first-type ADC and which, if any, of the selected channels are digitized via the at least one second-type ADC, may be based on which of the plurality of channels are the selected channels and/or based on power consumption of the circuit(s). A bandwidth of each first-type ADC may be on the order of the bandwidth of one of the received signals. A bandwidth of each second-type ADC may be on the order of the bandwidth of one of the plurality of channels. | 06-13-2013 |
20130157682 | METHOD AND SYSTEM FOR LOCATION DETERMINATION AND NAVIGATION USING TEXTUAL INFORMATION - Methods and systems for location determination and navigation using textual information may comprise capturing images of sources of textual information in the vicinity of a wireless communication device (WCD). Text may be extracted from the sources and a position of the WDC may be determined based on a comparison of the extracted text a stored database of textual information. An orientation of the text may be sensed and may be utilized with the extracted text and determined distances from the sources for the position determining. Locations of the sources and/or the captured images may be stored in the database. An instruction to capture images in a different orientation may be received when the positioning does not meet an accuracy requirement. A distance from the sources of textual information may be determined based on known optical properties of a camera in the WCD, such as focal length and/or and focus setting. | 06-20-2013 |
20130159567 | Method and System for Buffer State Based Low Power Operation in a MoCA Network - A first device of a Multimedia Over Coax Alliance (MoCA) network may communicate with a second device of the MoCA network to control power-save operation of the second MoCA device. The first device may control the power-save operation of the second MoCA device based on an amount of data stored in a buffer, wherein the data stored in the buffer is destined for the second device. The buffer may be in a third device which sends the data to the second device, and/or the buffer may be in the first device. The first device may be operable to buffer data destined for the second device while the second device is in a power-saving state. | 06-20-2013 |
20130176153 | Method and System for Broadband Analog to Digital Converter Technology - Nonlinearity correction in a device that performs analog-to-digital conversion on received analog signals, may be calibrated by generating correction-parameters estimation which when applied to the total spectral content reduces distortion resulting from said nonlinearity in originally-unoccupied spectral regions. Digital signals generated based on sampling of the received analog signals may then be corrected, to remove nonlinearity related distortion, based on the estimated correction-parameters. The nonlinearity calibration may be performed during reception and handling of said analog signals. The correction-parameters may be generated based on signals located in particular spectral regions, such as the originally-unoccupied spectral regions. These signals may be injected within the device, into the particular spectral regions, and the signal may have known characteristics to enable estimating the required correction. | 07-11-2013 |
20130182891 | METHOD AND SYSTEM FOR MAP GENERATION FOR LOCATION AND NAVIGATION WITH USER SHARING/SOCIAL NETWORKING - Methods and systems for map generation for location and navigation with user sharing/social networking may comprise determining a position of a wireless communication device (WCD) and capturing images of the surroundings of the WCD. Data associated with objects in the surroundings of said WCD may be extracted from the captured images, positions of the objects may be determined, and the determined positions and the data may then be uploaded to a database. The elements may comprise structural and/or textual features in the surroundings of the WCD. The position of the WCD may be determined utilizing sensors in the WCD to measure a distance from a last determined or known position. The sensors may comprise a pedometer, an altimeter, a camera, and/or a compass. The positions of the extracted elements may be determined utilizing known optical characteristics of a camera in the WCD. | 07-18-2013 |
20130185571 | System and Method for Providing Power-Save Operation in an In-Home Communication Network - A first device of a multimedia over coax alliance (MoCA) network may grant a second device of the MoCA network permission to enter a power-saving state. While the second device is in the power-saving mode, the first device may grant bandwidth to the second device during one or more predetermined timeslots. The bandwidth may be granted without a corresponding reservation request from the second device. While the second device is in the power-saving state, it may track time utilizing a clock that is synchronized to the system time of the MoCA network, and transmit during one or more of the predetermined timeslots without first transmitting a corresponding reservation request. The second device may utilize a first modulation profile when not operating in the power-saving state, and utilize a second modulation profile when operating in the power-saving state. | 07-18-2013 |
20130201406 | METHOD AND SYSTEM FOR A DISTRIBUTED RECEIVER - A first semiconductor die may comprise an interface circuit and a demodulation circuit. The interface circuit may be operable to receive an externally generated signal and recover decisions of a symbol de-mapper carried in the externally generated signal. The demodulation circuit may be operable to recover one or more transport streams based on the decisions of the symbol de-mapper. The first semiconductor die may comprise circuitry operable to combine a plurality of signals from a plurality of second semiconductor dice, where each of the plurality of signals comprises decisions of a respective one of a plurality of symbol de-mappers. | 08-08-2013 |
20130201905 | METHOD AND APPARATUS FOR CONTENT PROTECTION AND BILLING FOR MOBILE DELIVERY OF SATELLITE CONTENT - A satellite dish assembly may comprise a reflector, feed horn, receive module, and wireless module. The reflector and feed horn may be operable to receive satellite signals. The receive module may be operable to recover content from the received satellite signals. The wireless module may be operable to communicate the content directly to a mobile device via a wireless connection between the mobile device and the system. The wireless module may be operable to communicate directly with a service provider network via a wireless connection between the satellite dish assembly and the service provider network. The communications with the service provider network may be to obtain security information for descrambling and/or decrypting the content and/or for providing billing information. | 08-08-2013 |
20130203337 | METHOD AND SYSTEM FOR AN INTERNET PROTOCOL LNB SUPPORTING SENSORS - An Internet protocol low noise block downconverter (IP LNB) assembly, which is within a satellite dish assembly, may be operable to collect information received from one or more sensors that are integrated within or coupled to the IP LNB assembly. The IP LNB assembly may provide data and/or services associated with the satellite dish assembly based on the collected information received from the sensor(s). The collected information may be stored locally or remotely. The sensor(s) may comprise a camera, an atmospheric sensor, a motion sensor, a directional sensor, an insolation sensor, an acoustic sensor and/or a seismic sensor. The IP LNB assembly may communicate, to at least a user, one or more alarms based on temporal or spatial changes in the collected information. The sensor(s) may perform infrared (IR), cosmic radiation, ultraviolet (UV), far infrared (FIR), terahertz (THz) radiation, millimeter wave (MMW) and/or microwave sensing. | 08-08-2013 |
20130203338 | Modular, Expandable System for Data Reception and Distribution - A satellite reception assembly may comprise a first module operable to demodulate a first one or more channels of a signal output by a direct broadcast satellite (DBS) low noise block downconverter (LNB). The first module may output a signal to a second module which may demodulate a second one or more channels of the signal output by the DBS LNB. The second module may be installed after the satellite reception assembly has been deployed upon a number of clients served by the satellite reception assembly reaching a threshold. | 08-08-2013 |
20130203341 | METHOD AND SYSTEM FOR MOBILE DELIVERYOF BROADCAST CONTENT - A satellite dish assembly may comprise a broadcast receive module and a basestation module. The broadcast receive module may be operable to receive a satellite signal, recover media carried in the satellite signal, and output the media. The basestation module may be operable to accept the media output by the broadcast receive module and transmit the media in accordance with one or more wireless protocols. In being conveyed from the broadcast receive module to the basestation, the media content may not traverse any wide area network connection. The one or more wireless protocols may comprise one or more of: a cellular protocol and IEEE 802.11 protocol. The satellite dish assembly may comprise a routing module that may be operable to route data between the broadcast receive module, the basestation, and a gateway. | 08-08-2013 |
20130203343 | METHOD AND SYSTEM FOR A MESH NETWORK OF SATELLITE RECEPTION ASSEMBLIES - A satellite reception assembly that provides satellite television and/or radio service to a customer premises may comprise a wireless interface via which it can communicate with other satellite reception assemblies. Wireless connections between satellite reception assemblies may be utilized for providing satellite content between different satellite customer premises. Wireless connections between satellite reception assemblies may be utilized for offloading traffic from other network connections. | 08-08-2013 |
20130205328 | METHOD AND SYSTEM FOR AN INTERNET PROTOCOL LNB SUPPORTING POSITIONING - An Internet protocol low noise block downconverter (IP LNB) assembly, which is within a satellite reception assembly, may be operable to determine location information and/or time information of the IP LNB assembly. The IP LNB assembly may provide services based on the determined location information and/or the determined time information of the IP LNB assembly. The location information and/or the time information of the IP LNB assembly may be determined via a global navigation satellite system (GNSS) module in the IP LNB assembly. The IP LNB assembly may communicate the determined location information and/or the determined time information to a wireless communication device for determining location information of the wireless communication device. The IP LNB assembly may determine location information of a wireless source device based on a signal received from the wireless source device, the determined location information and the determined time information of the IP LNB assembly. | 08-08-2013 |
20130205350 | METHOD AND SYSTEM FOR MONITORING, MANAGEMENT AND MAINTENANCE OF AN INTERNET PROTOCOL LNB - An Internet protocol low noise block downconverter (IP LNB) assembly, which is within a satellite dish assembly, may be operable to determine one or more baseline settings of the satellite dish assembly. The IP LNB assembly may monitor, periodically or aperiodically, one or more current settings that may correspond to the determined one or more baseline settings to identify deviations of the one or more current settings from the baseline settings. The results of the monitoring may be communicated to a satellite service provider. The satellite service provider may provide maintenance and/or service management for the satellite dish assembly based on the communicated results of the monitoring. The IP LNB assembly may determine a location setting via a GNSS module and determine an alignment setting via a directional sensor in the IP LNB assembly. The IP LNB assembly may determine a received signal strength based on a RSSI. | 08-08-2013 |
20130210345 | METHOD AND SYSTEM FOR BROADBAND NEAR FIELD COMMUNICATION UTILIZING FULL SPECTRUM CAPTURE - A integrated broadband transceiver is operable to communicate signals at a power level that is below a spurious emissions mask and to spread said communicated signals over a designated frequency spectrum band. The integrated broadband transceiver is operable to detect usable channels within the designated frequency spectrum band and wirelessly communicate content with one or more other integrated broadband transceiver enabled devices over the one or more of said detected channels. The one or more other integrated broadband transceiver enabled devices are also operable to communicate signals at the power level that is below the spurious emissions mask and to spread said communicated signals over said entire designated frequency spectrum band. The integrated broadband transceiver may be paired with the other integrated broadband transceiver enabled devices utilizing broadband near-field communication (BNC) protocols. The integrated broadband transceiver may be configured with security levels during the pairing based on corresponding. | 08-15-2013 |
20130210346 | METHOD AND SYSTEM FOR BROADBAND NEAR-FIELD COMMUNICATION (BNC) UTILIZING FULL SPECTRUM CAPTURE (FSC) SUPPORTING BRIDGING ACROSS WALL - A communication system may include a first broadband wireless device and a second broadband wireless device. Signals may be wirelessly communicated from the first broadband wireless device to the second broadband wireless device at a power level that is below a spurious emissions mask. The communicated signals may be transmitted over a designated frequency band. A barrier separates the first broadband wireless device from the second broadband wireless device. The first broadband wireless device may be paired with the second broadband wireless device. Usable channels may be detected within a frequency spectrum band designated for use by the first and the second broadband wireless device. The signals may be wirelessly communicated from the first to the second broadband wireless device via one or more of the detected usable channels. Two or more of the plurality of the detected usable channels may be aggregated and utilized for the communication. | 08-15-2013 |
20130210347 | METHOD AND SYSTEM FOR BROADBAND NEAR-FIELD COMMUNICATION (BNC) UTILIZING FULL SPECTRUM CAPTURE (FSC) SUPPORTING CONCURRENT CHARGING AND COMMUNICATION - A charging device includes an integrated broadband transceiver that is operable to communicate wireless signals at a power level that is below a spurious emissions mask. The wireless signals are communicated over a designated frequency spectrum band via one or more antennas. The wireless signals convey data between the charging device and a communication device via one or more usable channels within the frequency spectrum band utilized by the integrated broadband transceiver. Concurrent with the communicating, charging of the communication device occurs. One or more usable channels within the frequency spectrum band utilized by the integrated broadband transceiver may be detected. The charging and the communication of the wireless signals occurs currently on the same ones or different ones of the one or more antennas. The detected one or more usable channels may be aggregated and utilized for the communication by the integrated broadband transceiver. | 08-15-2013 |
20130210350 | METHOD AND SYSTEM FOR BROADBAND NEAR-FIELD COMMUNICATION UTILIZING FULL SPECTRUM CAPTURE (FSC) SUPPORTING CONFIGURATION AND REGULATORY REQUIREMENTS - A wireless communication device generates and transmits wireless broadband signals at a power level that is below a spurious emissions mask such that the transmitted wireless broadband signals occupy a designated frequency spectrum band. A bandwidth of the wireless broadband signals may occupy approximately 800 MHz within a range of 0 Hz to 1 GHz. The transmit power utilized for transmitting the wireless broadband signals may be spread over a bandwidth of approximately 300 MHz within the 800 MHz bandwidth. The spreading results in a power spectral density of the transmitted wireless broadband signals approximating thermal noise at a distance of approximately 3 meters. Available channels within the designated frequency spectrum band may be sensed for the transmission of the wireless broadband signals. A plurality of the sensed available channels may be aggregated for the transmission of the wireless broadband signals. | 08-15-2013 |
20130210351 | METHOD AND SYSTEM FOR BROADBAND NEAR-FIELD COMMUNICATION UTILIZING FULL SPECTRUM CAPTURE (FSC) SUPPORTING PAIRING, CONTENT SHARING AND SECURITY - A wireless communication device detects presence of a peer wireless communication device within operating range and pairs with the detected peer wireless communication device. The wireless communication device and the peer wireless communication device are operable to communicate wireless broadband signals at a power level that is below a spurious emissions mask using broadband near field communication with full spectrum capture. The pairing may be controlled based on the determined distance between the wireless communication device and the peer wireless communication device. A determination is made whether to utilize security to enable the pairing based on the determined distance. A range of the communicated wireless broadband signals may be limited to provide secure communication between a plurality of wireless communication devices that communicate utilizing the wireless broadband signals. Content is shared among the plurality of wireless communication devices based on the limiting. | 08-15-2013 |
20130210352 | METHOD AND SYSTEM FOR BROADBAND NEAR-FIELD COMMUNICATION UTILIZING FULL SPECTRUM CAPTURE (FSC) SUPPORTING RANGING - A wireless communication device (WCD) generates and transmits wireless broadband signals (WBS) at a power level that is below a spurious emissions mask such that the transmitted WBS occupy a designated frequency spectrum band. The WCD transmits duty cycle bursts of the WBS and determines range, position and/or movement based on the transmitted burst of the WBS. A bandwidth of the wireless broadband signals may occupy approximately 800 MHz within a range of 0 Hz to 1 GHz. The transmit power utilized for transmitting the WBS may be spread over a bandwidth of approximately 300 MHz within the 800 MHz bandwidth. The spreading results in a power spectral density of the transmitted WBS approximating thermal noise at a distance of approximately 3 meters. A course range may be determined utilizing wireless signals other than the transmitted bursts and a fine range may be determined utilizing the transmitted bursts. | 08-15-2013 |
20130210353 | METHOD AND SYSTEM FOR BROADBAND NEAR-FIELD COMMUNICATION UTILIZING FULL SPECTRUM CAPTURE (FSC) SUPPORTING SCREEN AND APPLICATION SHARING - A wireless communication device (WCD) establishes an ad-hoc communication link with a second WCD within operating range. A replica of at least a portion of a display of the first WCD may be shared with the second WCD utilizing wireless broadband signals that are communicated via the established one or more ad-hoc communication links. The first WCD and the second WCD are operable to communicate the wireless broadband signals at a power level that is below a spurious emissions mask. The transmitted wireless broadband signals are spread so they occupy a designated frequency spectrum band. The shared replica of at least a portion of the display of the first WCD includes one or more applications, text, video and/or data content. A user of the first WCD may interact with content that is displayed on a display of the second WCD and vice-versa. | 08-15-2013 |
20130216009 | CHANNEL-SENSITIVE POWER CONTROL - A communication receiver which applies signal processing for quantitatively estimating receive signal factors such as communication channel quality, signal characteristics, and overall system received bit error rate (BER)or packet error rate (PER) and which applies a general algorithm for mapping these estimated factors to control receiver performance and minimize power consumption. | 08-22-2013 |
20130230078 | Configurable, Highly-Integrated Satellite Receiver - A direct broadcast satellite (DBS) reception assembly may comprise an integrated circuit that is configurable between or among a plurality of configurations based on content requested by client devices served by the DBS reception assembly. In a first configuration, multiple satellite frequency bands may be digitized by the integrated circuit as a single wideband signal. In a second configuration, the satellite frequency bands may be digitized by the integrated circuit as a plurality of separate narrowband signals. The integrated circuit may comprise a plurality of receive paths, each of the receive chains comprising a respective one of a plurality of low noise amplifiers and a plurality of analog-to-digital converters. | 09-05-2013 |
20130230127 | METHODS AND APPARATUS FOR SYNCHRONIZATION IN MULTIPLE-CHANNEL COMMUNICATION SYSTEMS - Methods and apparatus for processing multichannel signals in a multichannel receiver are described. In one implementation, a plurality of demodulator circuits may provide a plurality of outputs to a processing module, with the processing module then simultaneously estimating noise characteristics based on the plurality of outputs and generating a common noise estimate based on the plurality of outputs. This common noise estimate may then be provided back the demodulators and used to adjust the demodulation of signals in the plurality of demodulators to improve phase noise performance. | 09-05-2013 |
20130238922 | Method and System For a Low-Power Client in a Wide Area Network - A network device may be operable to receive an indication from a cable modem termination system (CMTS) that media access control (MAC) management messages will be transmitted by the CMTS at fixed intervals. Subsequent to receiving the indication, the network device may be operable to power down one or more components of the network device and set a sleep timer to a value equal to an integer multiple of the fixed interval minus a transition period. The network device may power up the one or more components of the network device upon expiration of the sleep timer. The network device may power up the one or more components of the network device upon an amount of traffic in a buffer of the network device reaching a threshold. | 09-12-2013 |
20130267173 | METHOD AND SYSTEM FOR PROVIDING AN ANTENNA THAT IS OPTIMIZED FOR NEAR-FIELD-COMMUNICATION (NFC) AND REDUCES THE EFFECT OF FAR-FIELD-COMMUNICATION (FFC) - A communication system may include a first broadband device and a second broadband device. Signals may be wirelessly communicated from the first broadband device to the second broadband device at a power level that is below a spurious emissions mask. The communicated signals may be transmitted over a designated frequency band. A barrier separates the first broadband device from the second broadband device. The first broadband device may be paired with the second broadband device, and the signals may be wirelessly communicated from the first to the second broadband device. The signals may be communicated using signal emitting/receiving components, which may be jointly configured to optimize near-field communication while nullifying or substantially reducing signaling in other ranges, particularly far-field or intermediate-field ranges. The signal emitting/receiving components may comprise dipole or coil antennas, with the desired optimization and nullification being achieved based on controlling of electromagnetic fields. | 10-10-2013 |
20130268976 | METHOD AND SYSTEM FOR MULTI-SERVICE RECEPTION - A multi-service antenna may comprise: a support structure, a reflector mounted to the support structure, a signal processing assembly mounted with the support structure, a first wire strung between the reflector and the support structure and/or the signal processing assembly, and circuitry for processing a first signal received as a result of electromagnetic radiation (e.g., terrestrial television and/or cellular signals) incident on the first wire. The circuitry for processing the first signal may be housed in the signal processing assembly. A second wire may also be strung between the reflector and the support structure and/or the signal processing assembly, and the circuitry may be operable to perform diversity processing of signals received via the two wires. | 10-10-2013 |
20130268977 | METHOD AND SYSTEM FOR FULL SPECTRUM CAPTURE FOR TERRESTRIAL APPLICATIONS - A satellite television system comprises a satellite dish, a terrestrial television receiver integrated within the satellite dish, and an integrated satellite and terrestrial TV set-top box. The satellite dish integrated satellite and terrestrial TV set-top box receive satellite television signals via the satellite dish and receive processed terrestrial television signals from the terrestrial television receiver integrated within the satellite dish. The satellite dish integrated satellite and terrestrial TV set-top box generate output satellite television channel content from the received satellite television signals and output terrestrial television channel content from the processed terrestrial television signals. The terrestrial television receiver may comprise a plurality of integrated demodulators and the terrestrial television receiver capture, utilizing a plurality of integrated demodulators, a corresponding plurality of terrestrial television channels. The plurality of integrated demodulators may be operable to generate the processed terrestrial television signals from the captured corresponding plurality of terrestrial television channels. | 10-10-2013 |
20130268978 | METHOD AND SYSTEM FOR FULL SPECTRUM CAPTURE FOR SATELLITE AND TERRESTRIAL APPLICATIONS - A multiband receiver comprising an integrated diversity antenna system is operable to receive satellite and terrestrial television. The multiband receiver captures spectrum comprising satellite television channels and/or terrestrial television channels and demodulate the satellite television channels and/or the terrestrial television channels. The diversity antenna system is integrated on a board or substrate within the multiband receiver. The multiband receiver discriminates between satellite television signals and non-satellite television signals in the captured spectrum and also discriminates between the terrestrial television signals and non-terrestrial television signals in the captured spectrum. The multiband receiver generates output satellite television channel content from the demodulated satellite television channels and also generates output terrestrial television channel content from the demodulated terrestrial television channels. The multiband receiver packetizes the generated output satellite and/or terrestrial television channel content. The generated output satellite and/or terrestrial television channel content is communicated to one or more mobile communication devices. | 10-10-2013 |
20130272227 | METHOD AND SYSTEM FOR CHANNEL ALLOCATION AND BANDWIDTH MANAGEMENT IN A WIFI DEVICE THAT UTILIZES FULL SPECTRUM CAPTURE - A WiFi device, which utilizes full spectrum capture, captures signals over a wide spectrum including one or more WiFi frequency bands and extracts one or more WiFi channels from the captured signals. The AP analyzes the extracted WiFi channels and aggregates a plurality of blocks of WiFi channels to create one or more aggregated WiFi channels based on the analysis. The WiFi frequency bands comprise 2.4 GHz and 5 GHz WiFi frequency bands. The AP determines one or more characteristics of the extracted WiFi channels based on the analysis. The determined characteristics comprise noise, interference, fading and blocker information. The AP generates a channel map comprising at least the extracted one or more WiFi channels based on the determined characteristics. The AP dynamically and/or adaptively senses the extracted one or more WiFi channels and updates the determined characteristics of the extracted WiFi channels. | 10-17-2013 |
20130272228 | METHOD AND SYSTEM FOR WIFI COMMUNICATION UTILIZING FULL SPECTRUM CAPTURE - A single receiver is operable to utilize full spectrum capture to capture signals over a wide spectrum comprising a plurality of WiFi frequency bands, extract one or more WiFi channels from said captured signals and aggregate a plurality of blocks of said WiFi channels to create one or more aggregated WiFi channels. The WiFi frequency bands include 2.4 GHz and 5 GHz WiFi frequency bands. A plurality of blocks of the WiFi channels may be aggregated from contiguous blocks of spectrum and/or non-contiguous blocks of spectrum in one or more of said plurality of WiFi frequency bands. One or more non-WiFi channels may be filtered out from the captured signals. One or more aggregated WiFi channels may be assigned to one or more WiFi enabled communication devices. At least a portion of the one or more aggregated WiFi channels may be dynamically assigned to one or more other WiFi enabled communication devices. | 10-17-2013 |
20130273956 | METHOD AND SYSTEM FOR WIFI ACCESS POINT UTILIZING FULL SPECTRUM CAPTURE - A WiFi access point (AP) includes a receive radio frequency (RF) front end and a baseband processor that controls operation of the receive RF front end. The RF front end captures signals over a wide spectrum that includes a plurality of WiFi frequency bands (2.4 GHz and 5 GHz) and channelizes one or more WiFi channels from the captured signals. The baseband processor combines a plurality of blocks of WiFi channels to create one or more aggregated WiFi channels. The receive RF front end may be integrated on a first integrated circuit and the baseband processor may be integrated on a second integrated circuit. The first and second integrated circuits may be integrated on a single package. The RF front end and the baseband processor may be integrated on a single integrated circuit. The WiFi access point comprises a routing module that is communicatively coupled to the baseband processor. | 10-17-2013 |
20140010269 | METHOD AND SYSTEM FOR DETECTING AND MITIGATING INTERFERENCE IN A CABLE NETWORK SYSTEM - A cable modem (CM) device captures signals over a wide spectrum including one or more cable frequency bands and sub-bands, and extracts one or more cable channels from the captured signals. The CM device is operable to analyze the extracted one or more cable channels and assigns a portion of the extracted one or more cable channels for upstream and/or downstream communication based on the analysis. The CM device may recapture one or more previously unused cable channels to be utilized for the upstream and/or downstream communication based on the analysis. The CM device may determine noise, interference and/or blocker information corresponding to the extracted one or more cable channels based on the analysis. Based on the determined noise, interference and/or blocker information, the cable modem termination system (CMTS) may assign or block usage of one or more cable channels for the upstream and/or downstream communication. | 01-09-2014 |
20140015703 | METHOD AND SYSTEM FOR GAIN CONTROL FOR TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTOR (ADC) - A system for processing signals may be configured to apply digital conversion to analog signals, and to apply, prior to the analog-to-digital conversion, a gain to at least a portion of the analog signals. The gain may be controlled and/or adjusted based on processing of digital output generated based on the analog-to-digital conversion. The system may comprise a plurality of sampling slices, which may be configured to provide the analog-to-digital conversion in interleaved (e.g., time-interleaved) manner. Each of the sampling slices may comprise a dedicated gain element, for applying gain to signals handled by the corresponding slice. The gain applied by the gain elements of the sampling slices may be controlled, independently, collectively, and/or in based on grouping into subsets. The gain may be controlled based on application of a particular gain control algorithm, which may be selected from a plurality of predefined algorithms. | 01-16-2014 |
20140022926 | METHOD AND SYSTEM FOR A HIGH CAPACITY CABLE NETWORK - A cable modem termination system (CMTS) may communicate with a plurality of cable modems using a plurality of orthogonal frequency division multiplexed (OFDM) subcarriers. The CMTS may determine a performance metric of each of the cable modems. For each of the OFDM subcarriers and each of the cable modems, the CMTS may select physical layer parameters to be used for communication with that cable modem on that OFDM subcarrier based on a performance metric of that cable modem. The parameters may be selected for each individual modem and/or each individual subcarrier, or may be selected for groups of modems and/or groups of subcarriers. The parameters may include, for example, one or more of: transmit power, receive sensitivity, timeslot duration, modulation type, modulation order, forward error correction (FEC) type, and FEC code rate. | 01-23-2014 |
20140022943 | METHOD AND SYSTEM FOR SERVICE GROUP MANAGEMENT IN A CABLE NETWORK - A cable modem termination system (CMTS) may determine, for a plurality of cable modems served by the CMTS, a corresponding plurality of SNR-related metrics. The CMTS may assigning the modems among a plurality of service groups based on the SNR-related metrics. For any one of the modems, the CMTS may configure physical layer communication parameters to be used by the one of the modems based on a SNR-related metric of a service group to which the one of the modems is assigned. The physical layer communication parameters may include one or more of: transmit power, receive sensitivity, timeslot duration, modulation type, modulation order, forward error correction (FEC) type, and FEC code rate. The CMTS and the modems may communicate using orthogonal frequency division multiplexing (OFDM) over a plurality of subcarriers, and the physical layer communication parameters may be determined on a per-subcarrier basis. | 01-23-2014 |
20140026176 | NOISE SUPPRESSION IN A HYBRID FIBER COAXIAL NETWORK - A coupling device for use in a hybrid fiber coaxial (HFC) network may be configured to disable an upstream path through it when there is only noise incident on the upstream path, and enable the upstream path through it when a desired transmission from a cable modem downstream of the coupling device is incident on the upstream path. The coupling device may be a trunk amplifier, a distribution amplifier, a splitter, or the like. The coupling device may comprise a single upstream interface coupled to a plurality of downstream interfaces. The enabling and/or disabling may be in response to a signal strength indicated by the SSI being below a threshold and/or in response to one or more control messages indicating whether any downstream cable modem is, or will be, transmitting. | 01-23-2014 |
20140029703 | I/Q CALIBRATION TECHNIQUES - A receiver includes a static I/Q calibration block and a correlation/integration block. The static I/Q calibration block is configured to substantially eliminate mismatches between in-phase and quadrature components of a portion of the spectrum having associated I/Q mismatches that are relatively frequency-independent. The correlation/integration block is configured to substantially eliminate mismatches between the in-phase and quadrature components of portions of the spectrum having associated I/Q mismatches that are relatively frequency-dependent in accordance with a pair of signals generated by the static I/C calibration block. | 01-30-2014 |
20140037030 | GAIN PARTITIONING IN A RECEIVER - An automatic gain control loop disposed in a receiver is adapted to compensate for varying levels of out of band interference sources by adaptively controlling the gain distribution throughout the receive signal path. One or more intermediate received signal strength indicator (RSSI) detectors are used to determine a corresponding intermediate signal level. The output of each RSSI detector is coupled to an associated comparator that compares the intermediate RSSI value against a corresponding threshold. The take over point (TOP) for gain stages is adjusted based in part on the comparator output values. The TOP for each of a plurality of gain stages may be adjusted in discrete steps or continuously. | 02-06-2014 |
20140049331 | TCXO REPLACEMENT FOR GPS - To determine the level of frequency drift of a crystal oscillator as a result of a change in the its temperature, the temperature of the crystal oscillator is sensed and used together with previously stored data that includes a multitude of drift values of the frequency of the crystal oscillator each associated with a temperature of the crystal oscillator. Optionally, upon initialization of a GPS receiver in which the crystal oscillator is disposed, an initial temperature of the crystal oscillator is measured and a PLL is set to an initial frequency in association with the initial temperature. When acquisition fails in a region, the ppm region is changed. The temperature of the crystal oscillator is periodically measured and compared with the initial temperature, and the acquisition process is reset if there is a significant change in temperature. The GPS processor enters the tracking phase when acquisition is successful. | 02-20-2014 |
20140050288 | APPARATUS & METHODS FOR SYMBOL TIMING ERROR DETECTION, TRACKING AND CORRECTION - Systems and methods for adjusting timing in a communication system, such as an OFDM system are described. In one implementation an error signal is generated to adjust the timing of a variable rate interpolator so as to adjust FFT timing. The error signal may be based on detection of significant peaks in an estimate of the impulse response of the channel, with the peak locations being tracked over subsequent symbols and the system timing adjusted in response to changes in the peaks. | 02-20-2014 |
20140051347 | MULTI-STANDARD COVERAGE MAP GENERATION - A satellite reception assembly may receive signals on a block of frequencies that encompasses channels of one or more wireless networks. The satellite reception assembly may convey information about signals received on the block of frequencies to a centralized location which may utilize the information to determine characteristics, such as coverage area and/or usage, of the wireless network(s). Additionally or alternatively, such information from a plurality of satellite reception assemblies may be aggregated and made available to third parties which may use the aggregate information, in combination with knowledge about the wireless network(s), to determine characteristics of the wireless network(s). | 02-20-2014 |
20140056316 | METHODS AND APPARATUS FOR INTELLIGENT POWER REDUCTION IN COMMUNICATIONS SYSTEMS - Methods and apparatus for power control in a communications device are described. Bonding of channels in a modem may be dynamically adjusted responsive to user activity or demand for bandwidth. Bonded channel Configurations may be adjusted to single channel configurations for low power operation. Modem configuration may be dynamically adjusted so as to maintain only required synchronization and system information to facilitate rapid data transfer resumption upon demand. | 02-27-2014 |
20140057549 | METHOD AND SYSTEM FOR A SINGLE FREQUENCY NETWORK FOR BROADCASTING TO MOBILE DEVICES - One or more circuits of a satellite reception assembly may be operable to receive a satellite signal, recover content carried in the satellite signal, and broadcast a signal carrying the content for reception by one or more mobile devices. The satellite reception assembly may be mounted to the residence of a satellite subscriber. The signal carrying the content may be frequency locked to a reference signal that is available to the satellite reception assembly and to one or more other satellite reception assemblies. The reference signal may be a GNSS signal. The one or more circuits may communicate with the one or more mobile devices to provide a key to the one or more mobile devices, where the key is required for descrambling and/or decryption of the content carried in said signal. | 02-27-2014 |
20140057555 | METHOD AND SYSTEM FOR CACHING CONTENT FOR MOBILE DISTRIBUTION - A satellite reception assembly may comprise a memory collocated with a receive module and a basestation module. The receive module may receive a satellite signal and recover data carried in the satellite signal. The data may be stored in the memory. The stored data may be transmitted to mobile devices via the basestation module. Which portion of the recovered data is store in the memory may be based on demand for particular data in the coverage area served by the basestation module. Which portion of the recovered data is stored in the memory may be based on information provided by a satellite subscriber, such as the subscriber's anticipated location at one or more future time intervals. | 02-27-2014 |
20140064420 | Method and System for Power Management in a Network Device Based on Multi-protocol Detection - A network device may comprise one or more circuits including a clock signal generator, an ADC, and a processor. The ADC may digitize a received signal across a range of frequencies that encompasses a first band of frequencies used for a first network and a second band of frequencies used for a second network. A sampling frequency of the ADC may be determined by a frequency of a clock signal output by the clock signal generator. The processor may determine whether the first network is active and whether the second network is active. The processor may configure the clock generator such that, when both of the first network and the second network are active, the clock signal is set to a first frequency, and when the first network is active and the second network is inactive, the clock signal is set to a second frequency. | 03-06-2014 |
20140068694 | Method and System for Power Management in a Frequency Division Multiplexed Network - A network device may receive a signal from a headend, wherein a bandwidth of the received signal spans from a low frequency to a high frequency and encompasses a plurality of sub-bands. The network device may determine, based on communication with the headend, whether one of more of the sub-bands residing above a threshold frequency are available for carrying downstream data from the headend to the circuitry. The network device may digitize the signal using an ADC operating at a sampling frequency. The sampling frequency may be configured based on a result of the determining. When the sub-band(s) are available for carrying downstream data from the headend to the network device, the sampling frequency may be set to a relatively high frequency. When the sub-band(s) are not available for carrying downstream data from the headend to the network device, the sampling frequency may be set to a relatively low frequency. | 03-06-2014 |
20140077981 | METHOD AND SYSTEM FOR BROADBAND ANALOG TO DIGITAL CONVERTER TECHNOLOGY - Methods and systems are provided for calibrating nonlinearity correction during analog-to-digital conversions on received analog signals. Correction-parameters may be estimated, such as to reduce, when applied to total spectral content, distortion resulting from the nonlinearity in originally-unoccupied spectral regions. Digital signals generated based on sampling of the received analog signals may then be corrected, to remove nonlinearity related distortion, based on the estimated correction-parameters. The nonlinearity correction calibration may be performed during reception and handling of the analog signals. The correction-parameters may be generated based on signals located in particular spectral regions, such as the originally-unoccupied spectral regions. These signals may be injected within the device, into the particular spectral regions, and the signal may have known characteristics to enable estimating the required correction. | 03-20-2014 |
20140089961 | METHOD AND SYSTEM FOR AN INTERNET PROTOCOL LNB SUPPORTING POSITIONING - An Internet protocol low noise block downconverter (IP LNB) assembly, within a satellite reception assembly, may be operable to determine location information and/or time information of the IP LNB assembly, via a global navigation satellite system (GNSS) module in the IP LNB assembly. The IP LNB assembly may provide services based on the determined location information and/or the determined time information of the IP LNB assembly. The IP LNB assembly may communicate the determined location information and/or the determined time information to a wireless communication device for determining location information of the wireless communication device. The IP LNB assembly may determine location information of a wireless source device, based on the determined location information and the determined time information of the IP LNB assembly along with a plurality of other location information and a plurality of corresponding other time information associated with a plurality of other IP LNB assemblies. | 03-27-2014 |
20140104109 | GNSS Reception Using Distributed Time Synchronization - A GNSS receiver communicates with any connectivity device, such as a WiFi device that is, in turn, in communication with a wired network having access to the DTI timing. Such connectivity devices may set their timing and frame synchronization to the DTI and thus serve as Geopositioning beacons, thereby enabling the GNSS receiver to accurately determine its position. The GNSS receiver may also use the DTI timing supplied by such a network to perform relatively long integration time so as to achieve substantially improved sensitivity that is necessary for indoor Geopositioning applications. Furthermore, the GNSS data, such as satellite orbital information, may also be propagated by such devices at high speed. By providing this data to the GNSS receivers via such connectivity devices in a rapid fashion, the GNSS receivers are enabled to receive the transmitted data associated with the satellite without waiting for the GNSS transmission from the satellites. | 04-17-2014 |
20140104499 | WIDEBAND TUNER ARCHITECTURE - A wideband receiver system is provided to concurrently receive multiple RF channels including a number of desired channels that are located in non-contiguous portions of a radio frequency spectrum and to group the number of desired channels into a contiguous frequency band. The system includes a wideband receiver having a complex mixer for down-shifting the multiple RF channels and transforming them to an in-phase signal and a quadrature signal in the baseband. The system further includes a wideband analog-to-digital converter module that digitizes the in-phase and quadrature signals and a digital frontend module that transforms the digital in-phase and quadrature signals to baseband signals that contains only the number of desired RF channels that are now located in a contiguous frequency band. An up-converter module up-shifts the baseband signals to a contiguous band in an IF spectrum so that the system can directly interface with commercially available demodulators. | 04-17-2014 |
20140155012 | Method and Apparatus for Efficient DC Calibration in a Direct-Conversion System with Variable DC Gain - A wireless communication receiver includes a multitude of look-up tables each storing a multitude of DC offset values associated with the gains of an amplification stage disposed in the wireless communication receiver. The entries for each look-up table are estimated during a stage of the calibration phase. During such a calibration stage, for each selected gain of an amplification stage, a search logic estimates a current DC offset number and compares it to a previous DC offset estimate that is fed back to the search logic. If the difference between the current and previous estimates is less than a predefined threshold value, the current estimate is treated as being associated with the DC offset of the selected gain of the amplification stage and is stored in the look-up table. This process is repeated for each selected gain of each amplification stage of interest until the look-up tables are populated. | 06-05-2014 |
20140173640 | TARGETED ADVERTISEMENT IN THE DIGITAL TELEVISION ENVIRONMENT - A method for targeted advertisement includes storing a profile tag associated with each user in a device maintained by that user. Each profile tag includes the demographic information of its associated user. A multitude of target tags are also transmitted to the users. Each target tag is associated with an advertiser and includes the demographic information of the users. The advertisements and their corresponding target tags are transmitted and cached in the devices maintained by the users. The number of matches between the target tags and the user profiles are supplied to their respective advertisers. The advertisers use the matching number to modify the prices they are willing to offer for the commercial break. The target tags include information that is used to select one of the cached advertisement for playing during the commercial break. | 06-19-2014 |
20140197986 | SATELLITE RECEPTION ASSEMBLY WITH PHASED HORN ARRAY - A direct-to-home satellite outdoor unit may comprise a reflector, a support structure, circuitry, and an array of antenna elements mounted to the support structure such that energy of a plurality of satellite beams is reflected by the reflector onto the array where the energy is converted to a plurality of first signals. The circuitry may be operable to process the first signals to concurrently generate a plurality of second signals, each of the second signals corresponding to a respective one of the plurality of satellite beams. The circuitry may be operable to process one or more of the second signals for outputting content carried in the one or more of the second signals onto a link to an indoor unit. | 07-17-2014 |
20140198258 | METHOD AND SYSTEM FOR DIVERSITY COMBINING FOR HIGH-PERFORMANCE SIGNAL RECEPTION - A terrestrial receiver at a premises includes a plurality of antennas and a corresponding plurality of tuners. The terrestrial receiver receives terrestrial television signals via the plurality of antennas and the plurality of tuners and diversity combines a corresponding plurality of terrestrial television channels within the received terrestrial television signals, for example, based on control signals received from one or more customer premises equipment (CPE). The terrestrial receiver processes the diversity combined corresponding plurality of terrestrial television channels and communicates the processed and diversity combined corresponding plurality of terrestrial television channels to the one or more CPE. The diversity combined corresponding plurality of terrestrial television channels may be remodulated, and converted to corresponding analog signals prior to being communicated to the one or more CPE. The diversity combined corresponding plurality of terrestrial television channels may be demodulated and converted to intermediate frequency signals prior to being communicated to the one or more CPE. | 07-17-2014 |
20140198597 | DYNAMIC RANDOM ACCESS MEMORY FOR COMMUNICATIONS SYSTEMS - An integrated circuit may comprise a digital logic circuit, a memory refresh circuit, a first one or more dynamic random access memory (DRAM) cells, and a second one or more DRAM cells. The first DRAM cell(s) may be refreshed by the memory refresh circuit whereas the second DRAM cell(s) is not refreshed by any memory refresh circuit. Each of the first DRAM cell(s) and the second DRAM cell(s) may be a one-transistor cell. The first DRAM cell(s) may be used for storage of data which is overwritten at less than a threshold frequency. The second DRAM cell(s) may be used for storage of data which is overwritten at greater than the threshold frequency. A rate at which the first DRAM cell(s) are refreshed may be adjusted during run-time of the integrated circuit. | 07-17-2014 |
20140198828 | FREQUENCY SPREADING FOR HIGH-PERFORMANCE COMMUNICATIONS - Methods and systems are provided for using frequency spreading during communications, in particular communications in which multiple carriers (or subcarriers) are used. The frequency spreading may comprise generating a plurality of spreading data vectors based on transmit data, such as by application of a spreading matrix to portions of the transmit data. Each spreading data vector may comprise a plurality of elements, for assignment to the multiple subcarriers. The receive-side device may then apply frequency de-spreading, to obtain the original transmit data. The frequency de-spreading may comprise use of the same spreading matrix on data extracted from received signals, which (the data) may correspond to the plurality of spreading data vectors. | 07-17-2014 |
20140198835 | METHOD AND SYSTEM FOR A MULTI-STANDARD RECEIVER - A multi-standard receiver may comprise in an electronic device, receiving an input radio frequency (RF) signal comprising at least two RF signals of different communication standards. The input RF signal may be separated into two signals based on their different communication standard sand configurable gain levels may be applied to equalize their magnitudes. The amplified signals may be combined, and the combined signals may be converted to a digital signal. The configurable gain may be applied to the two signals using variable gain amplifiers. A null may be generated at the input of at least one of the variable gain amplifiers utilizing a mixer and a filter, both configured to a desired frequency. The desired frequency may correspond to an interferer signal. The input RF signal may be separated into two signals utilizing a diplexer. The input RF signal may be received from a wired connection and/or an antenna. | 07-17-2014 |
20140199077 | Multi-Mode Fiber Node - In a first configuration, circuitry of a fiber node may be configured to modulate an optical carrier by an analog upstream electrical signal received via the electrical network. In a second configuration, the circuitry may be configured to digitize the analog upstream electrical signal to generate a digitized upstream signal, and modulate the optical carrier with the digitized upstream signal. An optical receiver of the fiber node may be configured to convert a downstream optical signal to a downstream electrical signal. In the first configuration, the downstream electrical signal may be a first analog signal and the circuitry may be configured to output the first analog signal into the electrical network. In a third configuration, the downstream electrical signal is a digitized waveform and the circuitry is configured to convert the digitized waveform to a second analog signal and output the second analog signal into the electrical network. | 07-17-2014 |
20140199080 | ADVANCED FIBER NODE - Circuitry of a hybrid fiber-coaxial network may comprise a first transceiver configured to connect the circuitry to an optical link, a second transceiver configured to connect the circuitry to an electrical link, a first processing path, a second processing path, and a switching circuit. In a first configuration, the switching circuit may couple the first transceiver to the second transceiver via the first processing path. In a second configuration, the switching circuit may couple the first transceiver to the second transceiver via the second processing path. The first transceiver may comprise a passive optical network (PON) transceiver and the second transceiver may comprise a data over coaxial service interface specification (DOCSIS) physical layer transceiver. The switching circuit may be configured based on the type of headend to which the circuitry is connected. | 07-17-2014 |
20140199081 | Feedback-Based Configuration of a Hybrid Fiber-Coaxial Network - Circuitry of a fiber node which is configured to couple to an optical link and an electrical link may comprise an electrical-to-optical conversion circuit for transmitting on the optical link. The circuitry may be operable to receive signals via the optical link. The circuitry may select between or among different configurations of the electrical-to-optical conversion circuit based on the signals received via the optical link. The signals received via the optical link may be intended for one or more gateways served by the fiber node or may be dedicated signals intended for configuration of the circuitry. The circuitry may be operable to generate feedback and insert the feedback into a datastream received from one or more gateways via the electrical link prior to transmitting the datastream onto the optical link. | 07-17-2014 |
20140201089 | COMMUNICATIONS SYSTEMS AND METHODS - Various aspects of a method and system for electronics lifetime wear monitoring are provided. Various aspects of a method and system for scheduling various maintenance-related activities based, at least in part, on circuit monitoring are also provided. | 07-17-2014 |
20140201593 | Efficient Memory Architecture for Low Density Parity Check Decoding - A low density parity check (LDPC) decoder integrated on a single semiconductor substrate may comprise one or more arrays of first-type memory cells and one or more arrays of second-type memory cells. The LDPC decoder may be configured to store intrinsic messages in the array of first-type cells and to store extrinsic messages in the array of second-type cells. The first-type cells may be a first one of: static random access memory (SRAM) cells, refreshed dynamic random access memory (DRAM) cells, non-refreshed DRAM cells configured as a FIFO, and non-refreshed DRAM cells not configured as a FIFO. The second-type cells may be a second one of: static random access memory (SRAM) cells, refreshed dynamic random access memory (DRAM) cells, non-refreshed DRAM cells configured as a FIFO, and non-refreshed DRAM cells not configured as a FIFO. | 07-17-2014 |
20140201594 | Low-Power Low Density Parity Check Decoding - In an example implementation of this disclosure, a message passing low density parity check (LDPC) decoder may, during decoding of a first group of bits, lock a first variable node upon a bit-value probability of the first variable node reaching a determined threshold, and lock a first check node upon all variable nodes connected to the first check node being locked. The LDPC decoder may cease decoding the first group of bits upon all variable nodes of the LDPC decoder being locked, all check nodes of the LDPC decoder being locked, reaching a maximum number of iterations, or reaching a timeout. During a particular iteration of the decoding of the first group of bits in which the first variable node is locked, the LDPC decoder may refrain from generating a bit-value probability for the locked first variable node. | 07-17-2014 |
20140201801 | FLEXIBLE CHANNEL STACKING - A receiver includes a plurality of input paths for receiving and processing a plurality of input RF signals. The input paths isolate one or more portions of corresponding ones of the received input RF signals, and combine the isolated portions of the corresponding ones of the received input RF signals onto one or more output signals. A bandwidth of the isolated portions of the corresponding ones of the received input RF signals and a bandwidth of the output signals are variable. The isolated portions of the corresponding ones of the received plurality of input RF signals are extracted and utilized to generate the output signals. The portions of the corresponding ones of the received plurality of input RF signals may be mapped into one or more channel slots in the time domain. The channel slots may be assigned in the frequency domain to one or more frequency bins. | 07-17-2014 |
20140218235 | INTERMITTENT TRACKING FOR GNSS - A GNSS system operates intermittently and has adaptive activity and sleep time in order to reduce power consumption. The GNSS system provides an enhanced estimate of its position in the absence of GNSS signals of sufficient strength. The user's activity and behavior is modeled and used to improve performance, response time, and power consumption of the GNSS system. The user model is based, in part, on the received GNSS signals, a history of the user's positions, velocity, time, and inputs from other sensors disposed in the GNSS system, as well as data related to the network. During each activity time, the GNSS receiver performs either tracking, or acquisition followed by tracking The GNSS receiver supports both normal acquisition as well as low-power acquisition. | 08-07-2014 |
20140223504 | CABLE DISTRIBUTION NETWORKS - Methods and systems are provided for cable distribution networks, in which a headend may generate one or more downstream signals for communication in a distribution network associated with the headend. The generating of the one or more downstream signals may comprise combining data and/or video for one or more service groups, from signals corresponding to a plurality of services, with the combining being performed in digital domain. The distribution network comprises a cable distribution network, such as a hybrid fiber-coaxial (HFC) based network. The plurality of services comprises cable television (e.g., DOCSIS) services, VOD services, SDV services, OOB services, and/or broadcast television services. The headend may control feedback from the distribution network, and may control the combining performed therein based on the received control feedback. The control feedback may be received from, for example, fiber nodes and/or user equipment in the distribution network. | 08-07-2014 |
20140245059 | HYBRID REDUNDANCY FOR ELECTRONIC NETWORKS - Aspects of a method and system for hybrid redundancy for electronic networks are provided. A first line card may comprise a first instance of a network layer circuit, a first instance of a physical layer circuit, and an interface to a data bus (e.g., an Ethernet bus) for communicating with a second line card. In response to detecting a failure of the first instance of the network layer circuit, the first instance of the physical layer circuit may switch from processing of a signal received via the first instance of the network layer circuit to processing of a signal received via the interface. The system may comprise a second line card. The second line card may comprise a second instance of the network layer circuit. The second instance of the network layer circuit may be coupled to the data bus. | 08-28-2014 |
20140274134 | METHOD AND SYSTEM FOR AN INTERNET PROTOCOL LNB SUPPORTING POSITIONING - An Internet protocol low noise block downconverter (IP LNB) assembly, which may be within a satellite reception assembly, may be operable to determine location information and/or time information of the IP LNB assembly, such as via a global navigation satellite system (GNSS) module in the IP LNB assembly. The IP LNB assembly may provide services based on the determined location information and/or the determined time information of the IP LNB assembly. The IP LNB assembly may communicate the determined location information and/or the determined time information to a wireless communication device for determining location information of the wireless communication device. The IP LNB assembly may determine location information of a wireless source device based on a signal received from the wireless source device, the determined location information and the determined time information of the IP LNB assembly. | 09-18-2014 |
20140286447 | PEAK TO AVERAGE POWER RATIO SUPPRESSION - A transmitter may comprise a first domain translation circuit, a first PAPR suppression circuit, and a descriptor generation circuit. The first domain translation circuit may convert a plurality of frequency-domain symbols of a first OFDM symbol to a corresponding plurality of first time-domain signals. The first PAPR suppression circuit may group the plurality of first time-domain signals into a plurality of sub-bands of the first time-domain. The first PAPR suppression circuit may invert one or more of the sub-bands of the first time-domain signals according to a value of a first descriptor. The descriptor generation circuit may determine the value of the first descriptor using an iterative process in which each iteration comprises random selection of a value of the first descriptor, determination of a PAPR of the first OFDM symbol processed using the randomly-selected value, and determination of whether said PAPR meets one or more determined criteria. | 09-25-2014 |
20140289769 | Method and Apparatus for Communicating Electronic Service Guide Information in a Satellite Television System - Aspects of a method and apparatus for communicating electronic service guide information in a satellite television system are provided. A satellite communication system may receive a signal via an interface to a satellite dish, and receive data from a network via a second interface (e.g., an interface to a LAN or a WAN, such as the Internet). The satellite communication system may be operable to channelize the received satellite signal into a plurality of channels, wherein a first channel of the plurality of channels carries electronic service guide (ESG) data. The satellite communication system may select which of the plurality of channels to input to a demodulator based, at least in part, on whether ESG data is available via the second interface. A second channel carrying media data may be input to the demodulator while the ESG data is available via the second interface. | 09-25-2014 |
20140292548 | SYSTEM AND METHOD FOR LOW-POWER DIGITAL SIGNAL PROCESSING - A system and method for low-power digital signal processing, for example, comprising adjusting a digital representation of an input signal. | 10-02-2014 |
20140293854 | Method and System for Server-Side Handling of a Low-Power Client in a Wide Area Network - A CMTS may receive a request that a network device be permitted to enter a power-saving mode of operation. In response, the CMTS may enter a power-saving mode of operation wherein MAC management messages, transmission opportunities for the sleeping network device, and/or contention periods on one or more channels occur at independently determinable intervals. The CMTS may then transmit a message granting the network device permission to enter the power-saving mode of operation. The CMTS may start a sleep timer upon transmitting the MAC management message and may deregister the network device if no communication is received from the network device prior to expiration of the sleep timer. The CMTs may buffer traffic destined for the network device in a buffer of the CMTS while the network device is in the power-saving mode of operation, and may wake the network device upon the amount of buffered traffic reaching a threshold. | 10-02-2014 |
20140294056 | Low-Complexity Diversity Reception - A system may comprise a plurality of signal processing paths, a bin-wise combiner, an inverse transformation block, and a DAC. Each signal processing path may comprise a transformation block that is operable to transform a first time-domain digital signal to an associated frequency-domain signal having a plurality of subband signals. The bin-wise combiner may be operable to combine corresponding subband signals of the plurality of signal processing paths. The inverse transformation block may be operable to transform output of the bin-wise combiner to an second time-domain signal. The DAC may be operable to converts the second time-domain signal to a corresponding analog signal. | 10-02-2014 |
20140300499 | SUCCESSIVE APPROXIMATION ANALOG-TO-DIGITAL CONVERTER (ADC) WITH DYNAMIC SEARCH ALGORITHM - Aspects of a method and system for a successive approximation analog-to-digital converter with dynamic search algorithms are provided. In some embodiments, a successive approximation analog-to-digital converter includes a digital-to-analog converter, a comparator, and a search and decode logice modules which cooperate to generate a digital output code representative of the analog input voltage based on a dynamic search algorithm. The dynamic search algorithms may alter a sequence of reference voltages used to successively approximate the analog input voltage based on one or more characteristics of the analog input voltage. | 10-09-2014 |
20140300501 | MULTI-ZONE DATA CONVERTERS - Aspects of a method and system for data converters having a transfer function with multiple operating zones. In some embodiments, an operating zone of the multiple operating zones is characterized by more stringent performance criteria than the other operating zones. Thus, such data converters may receive an input signal and generate an output signal from the input signal per the transfer function and the more stringent performance criteria in the appropriate operating zone. | 10-09-2014 |
20140301413 | METHOD AND SYSTEM FOR AN ANALOG CROSSBAR ARCHITECTURE - Methods and systems for an analog crossbar may comprise, in a wireless device comprising a receiver path with an analog crossbar: receiving a digital signal comprising a plurality of channels; amplifying the received signal; converting the amplified signal to an analog signal; separating the analog signal into a plurality of separate channels; routing the plurality of separate channels to desired signal paths utilizing the analog crossbar; and converting the routed plurality of separate channels to a plurality of digital signals. The analog crossbar may comprise an array of complementary metal-oxide semiconductor (CMOS) transistors. The analog crossbar may comprise a plurality of differential pair signal lines, and a plurality of single-ended signal lines. The received signal may be amplified utilizing a low-noise amplifier (LNA), where a gain level of the LNA may be configurable. The analog signal may be separated into separate channels using a channelizer. | 10-09-2014 |
20140313074 | SATELLITE RECEPTION ASSEMBLY INSTALLATION AND MAINTENANCE - A direct broadcast satellite (DBS) reception assembly may receive a desired satellite signal and process the desired satellite signal for output to a gateway. The DBS assembly may also receive one or more undesired satellite signals and determine a performance metric of the one or more undesired satellite signals. The elevation angle of the assembly and/or the azimuth angle of the assembly may be adjusted based on the performance metric(s) of the undesired satellite signal(s). The adjusting of the elevation angle and/or the azimuth angle may comprise electronically steering a directivity of a receive radiation pattern of the DBS reception assembly and/or mechanically steering one or more components of the assembly via motors, servos, actuators, MEMS, and/or the like. The performance metric may be received signal strength of the undesired signals, received signal strength of the desired signal, SNR of the desired signal, and/or SNR of the undesired signals. | 10-23-2014 |
20140313914 | Coordinated Access and Backhaul Networks - A communications network comprises performance determination circuitry and link control circuitry. The performance determination circuitry is operable to determine performance of a microwave backhaul link between a first microwave backhaul transceiver and a second microwave backhaul transceiver. The microwave backhaul link backhauls traffic of a mobile access link. The link control circuitry is operable to, in response to an indication from the performance determination circuitry that the performance of the microwave backhaul link has degraded, adjust one or more signaling parameters used for the mobile access link. The link control circuitry is operable to, in response to the indication that the performance of the microwave backhaul link has degraded, adjust one or more signaling parameters used for the backhaul link in combination with the adjustment of the parameter(s) of the access link. | 10-23-2014 |
20140314070 | PRECISE TEMPERATURE AND TIMEBASE PPM ERROR ESTIMATION USING MULTIPLE TIMEBASES - Methods and systems for precise temperature and timebase PPM error estimation using multiple timebases may comprise in an electronic device comprising a plurality of timebases and measuring a temperature corresponding to the timebases. Frequencies of the timebases at the measured temperature may be compared to determine differential error functions for the timebases. A fine reading of the temperature corresponding to the timebases may be generated based, at least in part, on the measured temperature and the determined differential error functions for the timebases. The timebases may be calibrated utilizing the generated fine reading of the temperature. The timebases may comprise different order temperature dependencies. Models of temperature dependencies of each of the timebases based may be updated, at least in part, on the fine reading of the temperature. A global navigation satellite system (GNSS) clock signal may be periodically utilized to improve the accuracy of the calibration of the timebases. | 10-23-2014 |
20140314186 | LOOP-THROUGH FOR MULTI-CHIP COMMUNICATION SYSTEMS - Methods and systems are provided for loop-through for multi-chip communication systems. Receiver circuitry, that is operable to receive one or more input feeds, may comprise a plurality of chips, each of which may be configurable to generate a corresponding output comprising one or more feed elements (e.g., channels) extracted from the input feed(s). However, only a first chip may be operable to handle reception and/or initial processing of the one or more input feeds, with each one of the remaining chips processing a loop-through feed generated by the first chip, in order to generate the corresponding output of that chip. The first chip generates the loop-through feed based on the one or more input feeds, such as after the initial processing thereof in the first chip. Generating the loop-through feed may comprise applying channelization (e.g., separately for each remaining chip), switching based processing, and/or interfacing based processing. | 10-23-2014 |
20140317294 | BANDWIDTH ALLOCATION FOR SHARED NETWORK INFRASTRUCTURE - Methods and systems are provided for adaptive management of local networks (e.g., in-premises networks, which may access or be connected to cable or satellite networks). A network device (e.g., a gateway device) may be configured to function as a network manager in a local network, to manage internal connections and/or communications within the local network. The managing may comprise assessing effects of the internal connections and/or communications on external connections and/or communications with one or more devices and/or networks external the local network; and setting and/or adjusting based on the assessed effects, one or more communication parameters associated with each one of the internal connections and/or communications. The effects of the internal connections and/or communications may result from utilizing one or more physical mediums that are shared with and/or are commonly used by the external connections and/or communications with one or more devices and/or networks external the local network. | 10-23-2014 |
20140323072 | METHOD AND APPARATUS FOR AN ENERGY-EFFICIENT RECEIVER - One or more circuits may comprise at least one first-type analog-to-digital converter (ADC) and at least one second-type ADC. The circuit(s) may be operable to receive a plurality of signals, each of which may comprise a plurality of channels. The circuit(s) may be operable to digitize a selected one or more of the channels. Which, if any, of the selected channels are digitized via the at least one first-type ADC and which, if any, of the selected channels are digitized via the at least one second-type ADC, may be based on which of the plurality of channels are the selected channels and/or based on power consumption of the circuit(s). A bandwidth of each first-type ADC may be on the order of the bandwidth of one of the received signals. A bandwidth of each second-type ADC may be on the order of the bandwidth of one of the plurality of channels. | 10-30-2014 |
20140329477 | HOT-SWAPPABLE HARDWARE FOR WIRELESS MICROWAVE LINKS - Methods and systems are provided for hot-swappable hardware for communication links (e.g., wireless microwave links). A communication assembly that comprises processing circuitry may be configured to allow replacing a circuitry element during active operation of the communication assembly. The replacing may comprise configuring the communication assembly to communicate signals based on a first configuration, using the circuitry element being replaced; receiving addition of a replacement circuitry element; configuring the communication assembly to communicate signals based on a second configuration, using the replacement circuitry element; and after the communication assembly is fully configured to communicate signals based on the second configuration, removing the circuitry element being replaced. | 11-06-2014 |
20140347222 | STEERABLE MICROWAVE BACKHAUL TRANSCEIVER - A first microwave backhaul transceiver may comprise a reflector and a signal processing subassembly. The signal processing subassembly may comprise a plurality of antenna elements positioned at a focal plane of the reflector. The signal processing subassembly may process a plurality of microwave signals corresponding to the plurality of antenna elements using a corresponding plurality of phase coefficients and a corresponding plurality of amplitude coefficients. The signal processing subassembly may adjust a radiation pattern of the plurality of antenna elements during operation of the signal processing subassembly through adjustment of the phase coefficients and/or the amplitude coefficients. | 11-27-2014 |
20140359674 | METHOD AND SYSTEM FOR PROVIDING A HOME CABLE NETWORK - Methods and systems for cross-protocol time synchronization may comprise, for example, in a premises-based network, receiving, by a root node network controller in the premises, signals that conform to one or more first communications protocols, where the signals may be received from sources external to the premises. The received signals may be bridged to conform to a second communications protocol different from the first communications protocol. The bridged signals may be communicated to one or more networked devices within the premises-based wired network, where only signals conforming to the second communications protocol may be concurrently communicated in at least two frequencies, a first in a frequency range of the first communications protocol and a second in a frequency range of the second communications protocol, the frequency range used by the first communications protocol being different from and not overlapping with the frequency range used by the second communications protocol. | 12-04-2014 |
20140370936 | Spatial Routing Among Microwave Backhaul Transceivers - A first microwave backhaul transceiver may comprise a plurality of antenna elements. The transceiver may determine atmospheric conditions between it and one or more potential link partners, and adjust a radiation pattern of the plurality of antenna elements based on the determined atmospheric conditions. A first radiation pattern of the plurality of antenna elements may correspond to a first microwave backhaul link between the first microwave transceiver and a second microwave backhaul transceiver. A second radiation pattern of the plurality of antenna elements may correspond to a second microwave backhaul link between the first microwave transceiver and a third microwave backhaul transceiver. The transceiver may adjust the radiation pattern based on characteristics of data to be transmitted, and based on a routing table it maintains. | 12-18-2014 |
20140375528 | Millimeter Wave Spatial Crossbar for A Millimeter-Wave-Connected Data Center - A first spatial crossbar may transmit data to a second spatial crossbar via a first millimeter wave beam between the first spatial crossbar and the second spatial crossbar. The first spatial crossbar may also transmit data to a third spatial crossbar via a second millimeter wave beam between the first spatial crossbar and the second spatial crossbar. The first millimeter wave beam may emanate from the first spatial crossbar at a first angle and be redirected toward the second spatial crossbar by a reflective surface. The second millimeter wave beam may emanate from the first spatial crossbar at a second angle and be redirected toward the third spatial crossbar by a reflective surface. The transmission to the second spatial crossbar may be concurrent with the transmission to the third spatial crossbar. | 12-25-2014 |
20150022406 | METHOD AND SYSTEM FOR MULTI-SERVICE RECEPTION - A multi-service antenna may comprise: a support structure, a reflector mounted to the support structure, a signal processing assembly mounted with the support structure, a first wire strung between the reflector and the support structure and/or the signal processing assembly, and circuitry for processing a first signal received as a result of electromagnetic radiation (e.g., terrestrial television and/or cellular signals) incident on the first wire. The circuitry for processing the first signal may be housed in the signal processing assembly. A second wire may also be strung between the reflector and the support structure and/or the signal processing assembly, and the circuitry may be operable to perform diversity processing of signals received via the two wires. | 01-22-2015 |
20150023122 | METHOD AND APPARATUS FOR MEMORY POWER AND/OR AREA REDUCTION - A method and apparatus for memory power and/or area reduction. An array of memory cells may be scanned to detect faulty memory cells, if any, in the array. A supply voltage V | 01-22-2015 |
20150023237 | CHANNEL-SENSITIVE POWER CONTROL - A communication receiver which applies signal processing for quantitatively estimating receive signal factors such as communication channel quality, signal characteristics, and overall system received bit error rate (BER) or packet error rate (PER) and which applies a general algorithm for mapping these estimated factors to control receiver performance and minimize power consumption. | 01-22-2015 |
20150046609 | METHOD AND SYSTEM FOR BUFFER STATE BASED LOW POWER OPERATION IN A MOCA NETWORK - A first device of a Multimedia Over Coax Alliance (MoCA) network may communicate with a second device of the MoCA network to control power-save operation of the second MoCA device. The first device may control the power-save operation of the second MoCA device based on an amount of data stored in a buffer, wherein the data stored in the buffer is destined for the second device. The buffer may be in a third device which sends the data to the second device, and/or the buffer may be in the first device. The first device may be operable to buffer data destined for the second device while the second device is in a power-saving state. | 02-12-2015 |
20150073706 | GPS-ASSISTED SOURCE AND RECEIVER LOCATION ESTIMATION - A mobile communication device includes, in part, a first wireless receiver adapted to determine, as it travels along a path, a multitude of positions of the mobile communication device using signals received from a primary positioning source, a second wireless receiver adapted to receive signals from one or more ambient wireless sources as the mobile communication device travels along the path, and a positioning module. An internal or external memory stores estimated positions and corresponding time references of the signals of the one or more ambient sources. The positioning module uses the data stored in the database to estimate the position of the mobile communication device when no primary positioning source signal is available. The positioning module optionally uses the data stored in the database to improve estimates of the position of the mobile communication device when primary positioning signal is available. | 03-12-2015 |
20150080039 | SYSTEMS AND METHODS FOR A MILLIMETER-WAVE-CONNECTED DATA CENTER - A first server rack configured for housing one or more first servers and for connecting the one or more first servers to a network may comprise a first millimeter wave transceiver circuit at least one phased array antenna, and a lens. The lens and the millimeter wave transceiver circuit may be arranged on the server rack such that millimeter wave signals transmitted by the at least one phased array antenna are focused by the lens to form a first one or more millimeter wave beams at a corresponding one or more determined angles. The first millimeter wave transceiver circuit may be operable to transmit data from the one or more first servers to one or more second servers residing in a second server rack via the first one or more millimeter wave beams. | 03-19-2015 |
20150084795 | SUCCESSIVE APPROXIMATION ANALOG-TO-DIGITAL CONVERTER (ADC) WITH DYNAMIC SEARCH ALGORITHM - Aspects of a method and system for a successive approximation analog-to-digital converter with dynamic search algorithms are provided. In some embodiments, a successive approximation analog-to-digital converter includes a digital-to-analog converter, a comparator, and a search and decode logice modules which cooperate to generate a digital output code representative of the analog input voltage based on a dynamic search algorithm. The dynamic search algorithms may alter a sequence of reference voltages used to successively approximate the analog input voltage based on one or more characteristics of the analog input voltage. | 03-26-2015 |
20150087226 | Microwave Backhaul System Supporting Multiple Installation Configurations - A monolithic integrated circuit for use in a microwave backhaul system may comprise a plurality of microwave transceivers and outdoor-unit to indoor-unit (ODU/IDU) interface circuitry. The monolithic integrated circuit may be configurable into an all-outdoor configuration in which the ODU/IDU interface circuitry is disabled. The monolithic integrated circuit may be configurable into a split-indoor-and-outdoor configuration in which the ODU/IDU interface circuitry is enabled to communicate signals between an outdoor unit of the microwave backhaul system and an indoor unit of the microwave backhaul system. While the monolithic integrated circuit is configured in the split-indoor-and-outdoor configuration, the ODU/IDU interface circuitry may be configurable to operate in at least a non-stacking mode and a stacking mode. | 03-26-2015 |
20150089549 | METHOD AND SYSTEM FOR FULL SPECTRUM CAPTURE FOR SATELLITE AND TERRESTRIAL APPLICATIONS - A multiband receiver comprising an integrated diversity antenna system is operable to receive satellite and terrestrial television. The multiband receiver captures spectrum comprising satellite television channels and/or terrestrial television channels and demodulate the satellite television channels and/or the terrestrial television channels. The diversity antenna system is integrated on a board or substrate within the multiband receiver. The multiband receiver discriminates between satellite television signals and non-satellite television signals in the captured spectrum and also discriminates between the terrestrial television signals and non-terrestrial television signals in the captured spectrum. The multiband receiver generates output satellite television channel content from the demodulated satellite television channels and also generates output terrestrial television channel content from the demodulated terrestrial television channels. The multiband receiver packetizes the generated output satellite and/or terrestrial television channel content. The generated output satellite and/or terrestrial television channel content is communicated to one or more mobile communication devices. | 03-26-2015 |