A beamforming maximum ratio combining (MRC) pre-processing system for adjacency removal of HDR includes a first filter module implemented in a digital radio receiver and allowing only a low side band signal having a frequency lower than a center frequency of a radio signal in a selected channel to pass therethrough and a processor module performing beamforming on the selected channel based on a difference in gain value between the signal that has passed through the filter module and an original signal that has not passed through the filter module.

The present disclosure relates to a method for estimation of an interfering signal of a signal received by a receiving system and to a method for attenuation of an interfering signal contained in a received signal, and a receiving system.

A reception apparatus includes a demodulation circuit configured to demodulate packets obtained with respect to each of multiple PLPs included in a broadcast signal; and a processing circuit configured to process the packets demodulated by the demodulation circuit. The demodulation circuit and the processing circuit are connected with each other via a single interface or interfaces fewer than the number of the PLPs. The demodulation circuit adds identification information to a specific packet among the packets obtained with respect to each of the PLP, the identification information identifying the PLP to which each of the packets belongs. The processing circuit identifies the PLP to which belongs each of the packets input from the demodulation circuit via the single interface or the interfaces fewer than the number of the PLPs, based on the identification information obtained from the specific packet.

A reception apparatus includes a demodulation circuit configured to demodulate packets obtained with respect to each of multiple PLPs included in a broadcast signal; and a processing circuit configured to process the packets demodulated by the demodulation circuit. The demodulation circuit and the processing circuit are connected with each other via a single interface or interfaces fewer than the number of the PLPs. The demodulation circuit adds identification information to a specific packet among the packets obtained with respect to each of the PLP, the identification information identifying the PLP to which each of the packets belongs. The processing circuit identifies the PLP to which belongs each of the packets input from the demodulation circuit via the single interface or the interfaces fewer than the number of the PLPs, based on the identification information obtained from the specific packet.

An electronic device of various embodiments can include a broadcast receiving module, a connector including a first pin and a second pin, and a processor, wherein the processor can be configured to: identify, through the first pin, the type of external electronic device connected through the connector; drive the broadcast receiving module in a state in which an external antenna included in an external electronic device and the broadcast receiving module are electrically connected through the first pin when the external electronic device corresponds to a designated electronic device type; receive a broadcast signal from the external antenna by using the broadcast receiving module; and output, through the second pin, an audio signal generated on the basis of at least a part of the broadcast signal to a designated device. Other embodiments are also possible.

Provided is an oscillator circuit including an LC oscillator circuit, an amplitude detection circuit, and a bias generation circuit, in which the LC oscillator circuit includes an inductor and at least one variable capacitance element, the amplitude detection circuit detects an oscillation amplitude of the LC oscillator circuit and converts the oscillation amplitude into a DC voltage, and the bias generation circuit compares the DC voltage with a voltage for generating a bias signal, the voltage changing on the basis of a temperature fluctuation of the bias generation circuit, calculates a difference between the DC voltage and a voltage after the change, and generates, on the basis of the difference, a bias signal that reduces a fluctuation in the oscillation amplitude, to control the oscillation amplitude.

Provided is an oscillator circuit including an LC oscillator circuit, an amplitude detection circuit, and a bias generation circuit, in which the LC oscillator circuit includes an inductor and at least one variable capacitance element, the amplitude detection circuit detects an oscillation amplitude of the LC oscillator circuit and converts the oscillation amplitude into a DC voltage, and the bias generation circuit compares the DC voltage with a voltage for generating a bias signal, the voltage changing on the basis of a temperature fluctuation of the bias generation circuit, calculates a difference between the DC voltage and a voltage after the change, and generates, on the basis of the difference, a bias signal that reduces a fluctuation in the oscillation amplitude, to control the oscillation amplitude.

A technique of transmitting or receiving an advanced digital broadcasting service more suitably is provided. As the means, a broadcast receiving apparatus for receiving a broadcasting wave, a 2K broadcasting service and a 4K broadcasting service being transmitted by the broadcasting wave, includes: a receiver configured to receive the broadcasting wave; a display; and a controller. The controller is configured to identify whether simultaneous broadcasting of a 2K broadcasting service and a 4K broadcasting service in the broadcasting wave is executed or not on a basis of control information, the control information being contained in the broadcasting wave received by the receiver. In a case where an EPG screen for the 2K broadcasting service and the 4K broadcasting service included in the broadcasting wave received by the receiver is to be displayed on the display, the controller is configured to change a display state in the EPG screen of program information on any one service of the 2K broadcasting service or the 4K broadcasting service at least included in the broadcasting wave in accordance with the identifying result.

The present technology relates to a transmission device, a transmission method, a reception device, and a reception method that make it possible to more reliably transmit a transmission control signal. Provided is a transmission device including a transmission unit that includes a first transmission control signal compatible with a first system in a first broadcast signal including a signal of a first content compatible with the first system and a signal of a second content compatible with a second system and transmits the first broadcast signal via a first transmission antenna, and includes a second transmission control signal compatible with the second system in a second broadcast signal including the signal of the second content and transmits the second broadcast signal via a second transmission antenna. The present technology can be applied to, for example, a transmission system compatible with a broadcast system such as an ISDB-T system.

A receiver (10) includes one or more tuners (12) and one or more controller-circuits (28). The one or more tuners (12) are operable to receive broadcast-signals (14) from transmitters. The broadcast-signals (14) include metadata (16) that includes the broadcast-station-name (18). The one or more controller-circuits (28) are in communication with the one or more tuners (12). The one or more controller-circuits (28) store the metadata (16) in a first-memory-location (32), detect metadata-sequences (38) based on the metadata (16) stored in the first-memory-location (32), count occurrences (40) of each metadata-sequence (38), determine whether the count of occurrences (40) of each metadata-sequence (38) is greater than a first-threshold (42), determine the broadcast-station-name or its sequences (18) and store the broadcast-station-name (18) in a second-memory-location (44). A method (100) of operating a receiver (10) is also provided.