A receiver device to receive an incoming radio frequency (RF) satellite signal from a satellite vehicle includes a processor and computer-readable storage media. The computer-readable storage media is communicably connected to the processor and has instructions stored thereon that, when executed by the processor, causes the processor to track the incoming RF satellite signal in code phase and carrier frequency, the incoming RF satellite signal having a primary pseudorandom (PRN) code and a secondary PRN code modulated thereon, generate an encoded sequence of dot product values of adjacent integrated in-phase (I) and quadrature-phase (Q) components of the incoming RF satellite signal, compare the encoded sequence with expected secondary code chip transitions, determine a secondary code phase for the secondary PRN code based on the comparison, and coherently integrate the secondary code phase with the incoming RF satellite signal to increase an integration interval.

A method and apparatus for processing navigational signals with reduced bandwidth by receiving a combination of two navigational signals, reducing the frequency of the combined two navigational signals to an intermediate frequency (IF); converting the IF signal to digital signals; translating the frequency of the IF signal to near baseband; filtering the near baseband signal; reducing the sample rate of the filtered near-baseband signal by a factor; translating a selection of the reduced, filtered, near-baseband signal to a single sidelobe; storing the single sidelobe in memory; and processing the single sidelobe for navigational purposes.

A method and apparatus for processing navigational signals with reduced bandwidth by receiving a combination of two navigational signals, reducing the frequency of the combined two navigational signals to an intermediate frequency (IF); converting the IF signal to digital signals; translating the frequency of the IF signal to near baseband; filtering the near baseband signal; reducing the sample rate of the filtered near-baseband signal by a factor; translating a selection of the reduced, filtered, near-baseband signal to a single sidelobe; storing the single sidelobe in memory; and processing the single sidelobe for navigational purposes.

A receiver and a receiving method for receiving wideband binary-offset-carrier modulated signals. The receiver includes a tracking apparatus which includes an upper sideband processor operable to generate upper sideband correlations through correlating a local upper sideband replica against a received navigation signal, a lower sideband processor operable to generate lower sideband correlations through correlating a local lower sideband replica against the received navigation signal, and an estimator operable to determine a delay estimate based on the upper sideband correlations and the lower sideband correlations.

A receiver and a receiving method for receiving wideband binary-offset-carrier modulated signals. The receiver includes a tracking apparatus which includes an upper sideband processor operable to generate upper sideband correlations through correlating a local upper sideband replica against a received navigation signal, a lower sideband processor operable to generate lower sideband correlations through correlating a local lower sideband replica against the received navigation signal, and an estimator operable to determine a delay estimate based on the upper sideband correlations and the lower sideband correlations.

Antenna assembly comprising the combination of a steerable phased array antenna with omnidirectional sector and a GNSS antenna, and antenna system comprising the antenna assembly.

Antenna assembly comprising the combination of a steerable phased array antenna with omnidirectional sector and a GNSS antenna, and antenna system comprising the antenna assembly.

A solid-state imaging device according to an embodiment of the present disclosure includes a light receiving surface, and two or more pixels opposed to the light receiving surface. Each of the pixels includes a photoelectric conversion section that performs photoelectric conversion on light entering via the light receiving surface, a first charge holding section that holds a charge transferred from the photoelectric conversion section, and a second charge holding section disposed at a position where all or a portion thereof overlaps the first charge holding section in a planar layout, and formed to have no electrical continuity to the first charge holding section. Each of the pixels further includes a first transfer transistor that transfers the charge held by the first charge holding section to a floating diffusion, and a second transfer transistor that transfers a charge held by the second charge holding section to the floating diffusion.

The present invention discloses a joint non-coherent integral vector tracking method based on a spatial domain, which is used for further improving the performance of a vector tracking GPS (Global Positioning System) receiver. In a new vector tracking strategy design, a phase discriminator/a frequency discriminator in a traditional vector tracking loop is discarded, and baseband signals of visible satellites in each channel are taken as an observation value after performing non-coherent integration, and EKE (abbreviation of Extended Kalman Filter) is used to estimate directly and to solve the position, the velocity, a clock error, etc. of the GPS receiver. Because of the existence of non-coherent integral calculation, when GPS satellite signals are relatively weak, a carrier to noise ratio of an observation value may be effectively improved, and the tracking sensitivity is improved.

A method for joint data-pilot tracking of navigation signal, including: multiplying a digital intermediate frequency signal with a local carrier to accomplish carrier removal; multiplying a signal after the carrier removal with a data baseband signal and a pilot baseband signal respectively to accomplish code removal; processing a signal after the code removal with integration-and-dump to obtain a coherent integration result of each branch; using the coherent integration results to accomplish data-bit flip detection and calculation of probability-weighting factor; acquiring a data-pilot joint carrier tuning-amount, and tuning the carrier numerically controlled oscillator by the carrier tuning-amount to realize data-pilot joint signal carrier tracking; and acquiring a data-pilot joint code tuning-amount, and tuning the code numerically controlled oscillator to realize baseband signal tracking.