A beam former module includes a package base and an interconnect structure formed within the package base. The beam former module also includes a first true time delay (TTD) module attached to the package base. The first TTD module includes a plurality of switching elements configured to define a signal transmission path between a signal input and a signal output of the first TTD module by selectively activating a plurality of time delay lines. The signal input and the signal output of the first TTD module are electrically coupled to the interconnect structure. In some embodiments, the interconnect structure includes at least one TTD meander line and at least one of the time delay lines of the first TTD module is electrically coupled to the at least one TTD meander line.

A smart antenna is provided, which may include a plurality of antenna units and a controller. The controller may be coupled to the antenna units. The controller may scan an angle range by a first angle interval according to a characteristic vector of the antenna units and an initial angle; if the power change between any two adjacent scanning points is negative, the controller may multiply the first angle interval by a number to generate a second angle interval, and keep scanning the angle range by the second angle interval; when the controller completely scans the angle range or the power change between any two adjacent scanning points is positive, the controller may generate a power spectrum.

Aspects of the subject disclosure may include, for example, receiving, via an antenna, a communication signal generated by a communication device, and detecting interference in the communication signal, wherein the interference is generated by one or more interference sources, wherein the interference is detected by monitoring a near field region of the antenna, an intermediate field region of the antenna, a far field region of the antenna, or any combinations thereof, wherein the monitoring excludes monitoring only the far field region of the antenna. Other embodiments are disclosed.

A communication apparatus includes reception circuitry which, in operation, receives a signal transmitted in a multiple-input multiple-output (MIMO) transmission, and control circuitry which, in operation, controls phase noise compensation of the signal in at least one of a pre-stage or a post-stage of MIMO separation processing in accordance with a condition.

Aspects of the subject disclosure may include, for example, obtaining data regarding passive intermodulation (PIM) detected in a received communication signal, and performing polarization adjusting for a communications system such that an impact of the PIM on the communications system is minimized. Other embodiments are disclosed.

Methods, systems, and apparatuses are described for generating a phase-shifted signal in a transmit path and a receive path of a transceiver. When transmitting, a quadrature hybrid in the transmit path generates at least one in-phase signal and at least one quadrature signal based on a modulated signal. Phase shifters generate phase-shifted versions of the modulated signal based on a combination of these signals. When receiving, antennas receive a modulated signal and provide the modulated signal to phase shifters in the receive path. Each phase shifter modifies its received modulated signal. A matching network combines each of the modified modulated signals and provides at least one combined modulated signal to a quadrature hybrid. The quadrature hybrid generates a phase-shifted version of the modulated signal based on the at least one combined signal.

In certain aspects, a circuit comprises a low noise amplifier (LNA) configured to receive a radio frequency (RF) signal, a first mixer coupled to the low noise amplifier (LNA), and a first trans-impedance filter coupled to the first mixer. The first trans-impedance filter comprises a tunable inductor and capacitor (LC) network configured to be a portion of a doubly terminated LC ladder filter and a trans-impedance amplifier (TIA) coupled to the tunable inductor and capacitor (LC) network. The circuit further comprises a second mixer coupled to the low noise amplifier (LNA) and a second trans-impedance filter coupled to the second mixer.

A method and apparatus for estimating a channel in a wireless local area network (WLAN) are provided. A channel estimation apparatus may include a channel estimation information combiner to combine at least one channel estimation information based on a difference between cyclic delay diversity (CDD) values, and a phase applier to generate a first phase value and to apply the first phase value to the combined channel estimation information.

An antenna combiner with transmission arbitration and method for using the same are described. In one embodiment, the apparatus comprises a plurality of antennas to receive signals from a satellite, each antenna in the plurality of antennas having a transmit aperture and a receive aperture, and wherein the receive aperture is operable to receive one of the signals from the satellite; a plurality of signal analyzers coupled to the plurality of antennas, each signal analyzer operable to determine signal quality of a distinct one antenna of the plurality of antennas; an arbiter coupled to the plurality of signal analyzers and operable to select one antenna of the plurality of antennas to transmit to the satellite based on results of determining the signal quality; and a first selector coupled to the arbiter and the plurality of antennas to cause data to be sent to the one antenna selected for transmission to the satellite.

Disclosed are a system, apparatus, and method for refined RF signal processing of a received low bandwidth signal. A first time domain RF signal is received and converted from a time based domain to a frequency based domain. A second time domain RF signal is received at a time after the first time domain RF signal and converted from a time based domain to a frequency based domain. At least the converted first RF signal and the converted second RF signal are combined, where one or both of: the converted first RF signal, or the converted second RF signal are rotated in the frequency domain for the combining. A refined time domain peak is determined from the combined RF signal.