Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Methods and systems for a sampled loop filter in a phase locked loop (PLL) may comprise a phase locked loop (PLL) comprising a phase frequency detector, a sampled loop filter comprising a plurality of capacitors and at least one switch, a plurality of voltage controlled oscillators (VCOs) coupled to said sampled loop filter, and a frequency divider. The PLL generates at least one clock signal, and the sampled loop filter samples an output signal from the phase frequency detector when an average of charge provided to a first of the plurality of capacitors in the sampled loop filter is zero. The frequency divider may be a fractional-N divider. A second switch in said sampled loop filter may have switching times that are non-overlapping with switching times of the at least one switch. Capacitors may be coupled to ground from each terminal of the second switch.

Abstract: Systems and methods are provided for communication ultra-high definition (UHD) video. At the transmitter-side, a single packet stream may be generated based on a plurality of UHD video streams; and the single packet stream may be split into a plurality of sub-streams, with each sub-steam comprising at least one or more packets from the single packet stream. The plurality of sub-streams may be processes concurrently via a plurality of transmit paths, to generate a corresponding plurality of signals for transmission over a particular physical medium. At the receiver-side, the plurality of signals may be concurrently received and processed, via a plurality of receive paths, and the plurality of sub-streams may be reconstructed based on processing of the plurality signals. The plurality of sub-streams may be combined to re-generate the single packet stream; and the plurality of encoded UHD video streams may then be extracted from the single packet steam.

Abstract: 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.

Abstract: Methods and systems for hybrid radio frequency digital beamforming may include, in an electronic device comprising an antenna array including antennas arranged along first and second directions, beamforming signals in an analog domain along the first direction of the antenna array and beamforming signals in a digital domain along the second direction of the antenna array. The antenna array may include subsets of antennas, where each subset has a system-on-chip (SOC) with analog and digital beamforming circuitry. Signals may be beamformed in the analog domain by amplifying signals received by the antenna array using a configurable gain and shifting the phase of at least one of the amplified signals. The phase-shifted signals may be summed and converted to a digital signal. A frequency-dependent coefficient may be applied to the digital signal. The antenna array may have a fewer number of antennas along the first direction as compared to a number of antennas along the second direction.

Abstract: A transmitter comprises a first peak-to-average-power ratio (PAPR) suppression circuit and a second peak-to-average-power ratio (PAPR) suppression circuit. The first PAPR suppression circuit may receive a first sequence of time-domain symbols to be transmitted, alter the first sequence based on each of a plurality of symbol ordering and/or inversion descriptors to generate a corresponding plurality of second sequences of time-domain symbols, measure a PAPR corresponding to each of the second sequences, select one of the plurality of symbol ordering and/or inversion descriptors based on the measurement of PAPR, and convey the selected one of the symbol ordering and/or inversion descriptors to the second PAPR suppression circuit. The second PAPR suppression circuit may receive the first sequence of time-domain symbols to be transmitted, and alter the first sequence based on the selected one of the symbol ordering and/or inversion descriptors to generate a reordered and/or inverted symbol sequence.

Abstract: 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.

Abstract: A microwave transceiver comprises a plurality of antenna arrays, each of which is oriented in a different direction, and circuitry operable to automatically select which of the antenna arrays to use for establishing a microwave backhaul link with a link partner. The circuitry may comprise a plurality of front-ends, each of which may be operable to perform beamforming of signals transmitted and received via a respective one of the antenna arrays. The circuitry may comprise a modem circuit. For transmit operations, the modem may generate a modulated signal for output to one of the plurality of front-end circuits. For receive operations, the modem may demodulate a signal received from one of the plurality of front-end circuits. Each of the antenna arrays may be mounted to a different one of a plurality of surfaces of a housing of the microwave transceiver. The housing of the microwave transceiver may form a polyhedron.

Abstract: 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.

Abstract: A signal receiver may be configured to determine when signal generation adjustments directed to particular components of signals received by the signal receiver, cause performance changes relating to effects of the signal generation adjustments on other components of the received signals. Operations of the signal receiver may then be controlled based on the performance changes, to mitigate at least some of the effects on the one or more other components of the signals. The performance changes may comprise amplitude glitches, phase glitches, and/or bit or packet errors. The signal generation adjustments may comprise channel-to-frequency re-assignment. Controlling operations of the signal receiver may comprise adjusting such parameters as amplification gain and/or tracking loop bandwidth, and/or determining whether (or not) to ignore bit/packet errors.

Abstract: Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (LNA) with first and second input terminals and differential output terminals; a low pass filter operably coupled to the LNA; a high pass filter operably coupled to the second input terminal of the LNA; and a signal source input coupled to the low pass filter and the high pass filter. The LNA may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. The receiver may be operable to amplify input signals in the pass band of a first filter but not signals in the pass band of the second filter by operably coupling the second to ground.

Abstract: 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 Vmem applied to the array of memory cells may be controlled based on a result of the scan, and based on a sensitivity coefficient of one, or more, of the array of memory cells. The sensitivity coefficient may indicate an impact that the one, or more, of the array of memory cells being faulty may have on the performance of a device that reads and writes data to the memory array. Additionally or alternatively, the physical dimensions of the memory cells may be determined based on the sensitivity coefficient(s) and/or based on a number of faulty memory cells that can be tolerated in the array of memory cells.

Abstract: Methods and systems for improved cross polarization rejection and tolerating of coupling between satellite signals may comprise receiving radio frequency (RF) signals on a chip, where the RF signals comprising a desired signal and at least one crosstalk signal. The received RF signals may be down-converted to baseband frequencies, and the down-converted signals are converted to digital signals. Crosstalk may be determined by estimating complex coupling coefficients between the received RF signals utilizing a de-correlation algorithm across a frequency bandwidth comprising the desired and crosstalk signals. The down-converted signals may be low-pass filtered and summed with an output signal from a cancellation filter. The complex coupling coefficients may be determined utilizing the de-correlation algorithm on the summed signals, and may be used to configure the cancellation filter.

Abstract: 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.

Abstract: 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.

Abstract: An electronic receiver may generate a differential detection sequence based on a received symbol sequence and based on a m-symbol delayed version of the received symbol sequence, where m is an integer greater than 1. The particular differential detection sequence may be a result of an element-by-element multiplication of the particular received symbol sequence and the conjugate of an m-symbol delayed version of the particular received symbol sequence. The receiver may calculate differential decision metrics based on the differential detection sequence and based on a set of differential symbol sequences generated from the set of possible transmitted symbol sequences. The receiver may generate a decision as to which of a set of possible transmitted symbol sequences resulted in the received symbol sequence, where the decision is based on the differential decision metrics and the set of possible transmitted symbols sequences.

Abstract: 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.

Abstract: 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.