Provided is a wireless signal receiver including: an analog-digital converter (ADC) converting an analog RF signal into a digital baseband signal; and a sub-sampling block dividing and processing the digital baseband signal into a first path signal and a second path signal, and extracting a complex baseband signal by using a relative sample delay difference between the first and second path signals, wherein the first path signal is a signal obtained by adjusting a sample delay and sampling rate of the digital baseband signal, and the second path signal is a signal obtained by filtering without adjusting the sampling rate of the digital baseband signal.

A wideband digital receiver includes an antenna, an amplifier, and a digital IFM device for measuring the frequency of the received signal or signals based on the result of discrete Fourier transforms DFT applied to said received signals. The receiver includes means for periodically estimating the phase jumps of said signals by combining the measurements of the phase of said signals produced by the transforms DFT.

The broadcast-signal transmitter according to one embodiment of the present invention includes: an encoder for encoding physical layer pipe (PLP) data, including a base layer and an enhancement layer of a broadcasting service, and signaling information through a SISO, and/or MIMO technique; a frame builder for generating a transmission frame, which includes a preamble having the encoded signaling information and the PLP data and an OFDM generator for modulating and transmitting a broadcast signal including the transmission frame.

A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block and a decoder to decode the time deinterleaved service data.

In some aspects, the disclosure is directed to methods and systems of a multi-input receiver. In one or more embodiments, a receiver receives a plurality of signals each via a respective one of a plurality of wireless channels. In one or more embodiments, a processing stage of the receiver combines the received plurality of signals into a combined signal for input to an analog-to-digital converter (ADC) of the receiver. In one or more embodiments, the ADC generates, at a predetermined sampling frequency, samples of the combined signal. In one or more embodiments, the receiver recovers from the generated samples at least one signal component corresponding to at least one of the plurality of signals.

An arrangement of MIMO antennas in a vehicle, such as an automobile, where at least one of the MIMO antennas is placed inside the vehicle in the richer multipath signal propagation environment. The MIMO antennas will include a primary MIMO antenna that may also be used for non-4G cellular services and one or more secondary MIMO antennas that are used only for 4G cellular services. In one embodiment, the primary MIMO antenna is mounted to a roof of the vehicle in a module including other antennas and the one or more secondary antennas are positioned at desired locations within the vehicle. In another embodiment, the primary MIMO antenna and the one or more secondary MIMO antennas are all positioned within the vehicle.

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). A video channel and a network channel may be received in the WB when the device is operating in a first stage. A video channel 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 NB may enable a continuous reception of the network channel in a transition between the first and third stages. The WB may be operable to receive a plurality of channels and the NB may be operable to receive a single channel.

According to one embodiment, electronic circuitry includes: transmitting circuitry to output a first waveform including N pulse waveforms (N is a natural number larger than 1) in response to an input signal; transfer circuitry to transfer the first waveform as a second waveform that includes at least N+1 pulse waveforms, via electromagnetic coupling; and receiving circuitry configured to receive the second waveform and determine the input signal based on the at least N+1 pulse waveforms.

According to one embodiment, electronic circuitry includes: transmitting circuitry to output a first waveform including N pulse waveforms (N is a natural number larger than 1) in response to an input signal; transfer circuitry to transfer the first waveform as a second waveform that includes at least N+1 pulse waveforms, via electromagnetic coupling; and receiving circuitry configured to receive the second waveform and determine the input signal based on the at least N+1 pulse waveforms.