H04H40/90

Wideband tuner architecture
10313733 · 2019-06-04 · ·

A wideband receiver system comprises a wideband analog-to-digital converter (ADC) module and a digital frontend (DFE) module. The wideband ADC is configured to concurrently digitize a band of frequencies comprising a plurality of desired channels and a plurality of undesired channels. The DFE module is coupled to the digital in-phase and quadrature signals. The DFE module is configured to select the plurality of desired channels from the digitized band of frequencies, and generate an intermediate frequency (IF) signal comprising the selected plurality of desired channels and having a bandwidth that is less than a bandwidth of the band of frequencies, where the generation comprises frequency shifting of the selected plurality of desired channels. The IF signal may be a digital signal and the DFE is configured to output the IF signal via a serial or parallel interface.

CONTENT CACHING SERVICES IN SATELLITE AND SATELLITE/IP CONTENT DELIVERY SYSTEMS
20240192829 · 2024-06-13 ·

Systems and methods are presented to facilitate caching of programming from broadcast and/or content streaming services to a user device for local playback. In addition, metadata can be provided to guide the user in selecting, caching, or playing the cachable content. In some exemplary embodiments, a receiver or other user device can automatically select the programming to be cached based on a user's historical topic interest and listening history. In some exemplary embodiments, the metadata can also include DRM information that can limit the ability of a user to playback the content, so as to comply, if necessary, with operative legal requirements related to usage of the content.

CONTENT CACHING SERVICES IN SATELLITE AND SATELLITE/IP CONTENT DELIVERY SYSTEMS
20240192829 · 2024-06-13 ·

Systems and methods are presented to facilitate caching of programming from broadcast and/or content streaming services to a user device for local playback. In addition, metadata can be provided to guide the user in selecting, caching, or playing the cachable content. In some exemplary embodiments, a receiver or other user device can automatically select the programming to be cached based on a user's historical topic interest and listening history. In some exemplary embodiments, the metadata can also include DRM information that can limit the ability of a user to playback the content, so as to comply, if necessary, with operative legal requirements related to usage of the content.

METHOD AND SYSTEM FOR INTEGRATED STACKING FOR HANDLING CHANNEL STACKING OR BAND STACKING
20190158200 · 2019-05-23 ·

Methods and systems are provided for integrated channel and/or band stacking solutions. A plurality of signals may be received, such as via a signal receiver, with each of the received signals being different from remaining ones of the plurality signals. At least two received signals may be processed, such as via one or more processing circuits, and an output signal may be generated based on the processing of the at least two received signals. The output signal may include only one or more portions from each of the at least two signals, with the one or more portions being stacked within the output signal. The stacking of the one or more portions from the at least two signals may include applying channel equalization, with the channel equalization including equalizing power of a plurality of sub-components of a frequency band corresponding to the one or more portions.

METHOD AND SYSTEM FOR INTEGRATED STACKING FOR HANDLING CHANNEL STACKING OR BAND STACKING
20190158200 · 2019-05-23 ·

Methods and systems are provided for integrated channel and/or band stacking solutions. A plurality of signals may be received, such as via a signal receiver, with each of the received signals being different from remaining ones of the plurality signals. At least two received signals may be processed, such as via one or more processing circuits, and an output signal may be generated based on the processing of the at least two received signals. The output signal may include only one or more portions from each of the at least two signals, with the one or more portions being stacked within the output signal. The stacking of the one or more portions from the at least two signals may include applying channel equalization, with the channel equalization including equalizing power of a plurality of sub-components of a frequency band corresponding to the one or more portions.

Decoding circuit applied to multimedia apparatus and associated decoding method

A decoding circuit applied to a multimedia apparatus is provided. The decoding circuit is for decoding encoded data to generate system information, and includes multiple processing circuits and a determination circuit. The multiple processing circuits individually process the encoded data to generate multiple processed signals, and respectively correspond to multiple bit combinations of a part of the system information. The determination circuit determines the system information according to the multiple processed signals.

Decoding circuit applied to multimedia apparatus and associated decoding method

A decoding circuit applied to a multimedia apparatus is provided. The decoding circuit is for decoding encoded data to generate system information, and includes multiple processing circuits and a determination circuit. The multiple processing circuits individually process the encoded data to generate multiple processed signals, and respectively correspond to multiple bit combinations of a part of the system information. The determination circuit determines the system information according to the multiple processed signals.

METHODS AND SYSTEMS FOR INCREASING BANDWIDTH EFFICIENCY IN SATELLITE COMMUNICATIONS

Methods and systems are provided for increasing bandwidth efficiency in satellite communications. In some embodiments, a satellite communications method is provided that comprises receiving, at a gateway ground station and as part of a downlink transmission from a satellite, a combined source signal comprising a plurality of source signals with an overlapping bandwidth, and extracting, from the downlink transmission, information specifying at least one predetermined modulation method. The method also includes generating, based on the at least one predetermined modulation method and from the combined source signal, a plurality of estimated waveforms corresponding to the plurality of source signals, separating, by signal cancellation and using the plurality of estimated waveforms, the plurality of source signals from the combined source signal, and routing, with a terrestrial network, the plurality of source signals to one or more user ground terminals.

METHODS AND SYSTEMS FOR INCREASING BANDWIDTH EFFICIENCY IN SATELLITE COMMUNICATIONS

Methods and systems are provided for increasing bandwidth efficiency in satellite communications. In some embodiments, a satellite communications method is provided that comprises receiving, at a satellite and from a plurality of user ground terminals, a plurality of source signals, wherein each of the source signals are modulated according to at least one source modulation method, and further receiving, at a satellite and from a plurality of user ground terminals, a plurality of information signals corresponding to the plurality of source signals. The method further includes combining, at the satellite, the plurality of source signals into a combined source signal with an overlapping bandwidth, wherein each of the source signals are further modulated according to at least one predetermined modulation method before they are combined, and transmitting, by a downlink transmission from the satellite to a gateway ground station, the combined source signal.

Method and system for reconfigurable time-interleaved ADC for direct conversion K-band and L-band I/Q
10277955 · 2019-04-30 · ·

A signal receiver chip may be configured to receive a satellite signal, and when the satellite signal is partially-processed off-chip, to bypass at least a portion of processing functions applied in the signal receiver chip during processing of satellite signals. The bypassed processing functions may comprise or correspond to signal band conversions. The satellite signal chip may generate an output signal, corresponding to the satellite signal, with the output signal being configured for communication to a peer device (e.g., satellite STB). The output signal may be generated and/or configured such that to enable distributing content carried in the output signal to a plurality of client devices in a local network serviced by the peer device. The signal receiver chip may combine a plurality of portions, corresponding to a plurality of satellite signals, into the output signal.