Abstract: An antenna assembly includes a substrate, a plurality of spiral dipole antenna sections, and a phase array feeder. The substrate has a three-dimensional shaped region. Each of the spiral dipole antenna sections is supported by a corresponding section of the three-dimensional shaped region and conforms to the corresponding section of the three-dimensional shaped region such that, collectively, the plurality of spiral dipole antenna sections has an overall shape approximating a three-dimensional shape. The spiral dipole antenna sections are coupled together in accordance with a coupling configuration for beamforming and/or power combining. The phase array feeder inputs, or outputs, a phase offset representations of a radio frequency (RF) signal from, or to, the spiral dipole antenna sections and converts between the phase offset representations of the RF signal and the RF signal.

Abstract: A transceiver circuit includes a transmitter to send communication signals and a receiver to receive communication signals sent by other transmitters. The transceiver circuit also includes a switch to connect the transmitter and the receiver to at least one antenna. The switch controls at least two directions of polarization of the at least one antenna.

Abstract: Embodiments of a two-stage bypass power amplifier are provided. In general, the two-stage bypass power amplifier is configured to receive a RF signal that is to be transmitted to a remote device and provide gain to the RF signal prior to the RF signal being transmitted to the remote device. The two-stage bypass power amplifier is configured to operate efficiently (in terms of power) at two different gain or output power levels and can be extended to operate efficiently at additional gain or output power levels.

Abstract: A multiple antenna apparatus includes a substrate, a first antenna structure, and a second antenna structure. The first antenna structure includes a first metal trace that has a first pattern confined in a first geometric shape and has a near-zero electric field plane. The second antenna structure includes a second metal trace that has a first pattern confined to a second geometric shape. The second antenna structure is positioned on the substrate in substantial alignment with the near-zero electric field plane of the first antenna structure.

Abstract: A poly interwoven spiral antenna includes a plurality of interwoven spiral antenna units, an excitation region, and a plurality of spoke excitation connections. An interwoven spiral antenna unit includes a non-inverted spiral section having a spiral shape and an inverted spiral section having an inverted spiral shape. A first end of a spoke excitation connection is coupled to a corresponding one of the interwoven spiral antenna units and a second end of the spoke excitation connection is coupled to the excitation region.

Abstract: A filter includes a first port, a second port, a first fractal curve based filter element coupled to the first port, and a second fractal curve based filter element coupled to the second port. The first fractal curve based filter element has first electromagnetic properties and the second fractal curve based filter element has second electromagnetic properties. The first fractal curve based filter element is electromagnetically coupled to the second fractal curve based filter element to filter radio frequency (RF) signals.

Abstract: An RF transceiver front-end includes receiver and transmitter front-ends. The receiver front-end includes 1st and 2nd antennas, a ninety degree phase shift module and an LNA module. The 1st and 2nd antennas receive inbound RF signals and provide a first directional circular polarization. The ninety degree phase shift module phase shifts the RF signals received by the 2nd antenna. The LNA module amplifies the RF signals received by the 1st antenna and the shifted RF signals. The transmitter front-end includes a PA module and 3rd and 4th antennas, which provide a second directional circular polarization. The PA module amplifies outbound RF signals to produce amplified outbound RF signals and amplified orthogonal outbound RF signals. The 3rd antenna transmits the amplified outbound RF signals and the 4th antenna transmits the amplified orthogonal outbound RF signals.

Abstract: An antenna apparatus includes a substrate and an antenna structure. The antenna structure includes a metal trace and a terminal. The metal trace has a modified Polya curve shape that is confined in a polygonal shape. The terminal is coupled to the metal trace.

Abstract: A multiple antenna apparatus includes a substrate, a first antenna structure, and a second antenna structure. The first antenna structure includes a first metal trace that has a first pattern confined in a first geometric shape and has a near-zero electric field plane. The second antenna structure includes a second metal trace that has a first pattern confined to a second geometric shape. The second antenna structure is positioned on the substrate in substantial alignment with the near-zero electric field plane of the first antenna structure.

Abstract: An antenna system includes an antenna structure and an antenna interface. The antenna structure includes ‘x’ number of spiral antenna sections. Each spiral antenna section transmits a different phase of ‘x’ phases of an outbound RF signal and receives a different phase of ‘x’ phases of an inbound RF signal. The antenna interface generates the ‘x’ phases of the outbound RF signal by splitting the outbound RF signal into ‘x’ copies and phase shifting each of the ‘x’ copies. The antenna interface also combines the ‘x’ phases of the inbound RF signal to produce the inbound RF signal by phase shifting each of the ‘x’ phases of the inbound RF signal by the respective phase shift and combining the ‘x’ copies.

Abstract: An antenna assembly a spiral antenna feed and a programmable circuit. The spiral antenna feed includes a substrate, a spiral antenna element, and a feed point. The substrate has a three-dimensional hyperbolic shaped region, which supports the spiral antenna element such that the spiral antenna element has an overall shape approximating a three-dimensional hyperbolic shape. The feed point is coupled to a connection point of the spiral antenna element. The programmable circuit produces a projected artificial magnetic conductor reflector dish that reflects an inbound RF signal to the spiral antenna feed and reflects an outbound RF signal from the spiral antenna feed.

Abstract: A three-dimensional multiple spiral antenna includes a substrate, a plurality of spiral antenna sections, and a feed point module. The substrate has a three-dimensional shaped region and each spiral antenna section is supported by a corresponding section of the three-dimensional shaped region and conforms to the corresponding section of the three-dimensional shaped region such that, collectively, the spiral antenna sections have an overall shape approximating a three-dimensional shape. The feed point module is coupled to a connection point of at least one of the spiral antenna sections.

Abstract: An antenna assembly includes a substrate, a plurality of spiral dipole antenna sections, and a phase array feeder. The substrate has a three-dimensional shaped region. Each of the spiral dipole antenna sections is supported by a corresponding section of the three-dimensional shaped region and conforms to the corresponding section of the three-dimensional shaped region such that, collectively, the plurality of spiral dipole antenna sections has an overall shape approximating a three-dimensional shape. The spiral dipole antenna sections are coupled together in accordance with a coupling configuration for beamforming and/or power combining. The phase array feeder inputs, or outputs, a phase offset representations of a radio frequency (RF) signal from, or to, the spiral dipole antenna sections and converts between the phase offset representations of the RF signal and the RF signal.

Abstract: A transceiver circuit includes a transmitter to send communication signals and a receiver to receive communication signals sent by other transmitters. The transceiver circuit also includes a switch to connect the transmitter and the receiver to at least one antenna. The switch controls at least two directions of polarization of the at least one antenna.

Abstract: An interwoven spiral antenna includes a non-inverted spiral section, an inverted spiral section, and an excitation region. The non-inverted spiral section has a spiral shape and the inverted spiral section has an inverted spiral shape. The excitation region is coupled to at least one of the non-inverted spiral section and the inverted spiral section, wherein, when excited, the interwoven spiral antenna has a circular polarization.

Abstract: A wireless communication device includes a receiver section, a transmitter section, an antenna interface, and an antenna assembly. The receiver section is operable to convert an inbound wireless signal into an inbound symbol stream. The transmitter section is operable to convert an outbound symbol stream into an outbound wireless signal. The antenna interface is operable to convert the outbound wireless signal into a plurality of phase-shifted outbound wireless signals and to convert a plurality of phase-shifted received wireless signals into the inbound wireless signal. The antenna assembly includes a plurality of interwoven spiral antenna units coupled together by a plurality of connection traces, wherein an interwoven spiral antenna unit of the plurality of interwoven spiral antenna units receives a corresponding one of the plurality of phase-shifted received wireless signals and transmits a corresponding one of the plurality of phase-shifted outbound wireless signals.

Abstract: A wireless communication device includes a processing module, receiver sections, transmitter sections, and an antenna assembly. The processing module is operable to convert outbound data into a transmit radiation pattern in accordance with a multiple antenna constellation mapping protocol and to generate outbound symbol streams based on the transmit radiation pattern. The transmitter sections convert the outbound symbol streams into outbound wireless signals. The antenna assembly transmits the outbound wireless signals in accordance with the transmit radiation pattern. The antenna assembly also receives inbound wireless signals, which have a receive radiation pattern. The receiver sections convert the inbound wireless signals into inbound symbol streams.

Abstract: A wireless communication transceiver includes a processing module, a receiver section, a transmitter section, and an antenna assembly. The processing module is operable to determine an operational mode based on type of antenna assembly and to generate one or more control signals in accordance with the operational mode. The receiver section is operable to convert one or more inbound wireless signals into one or more inbound symbol streams in accordance with the one or more control signals. The transmitter section is operable to convert one or more outbound symbol streams into one or more outbound wireless signals in accordance with the one or more control signals. The antenna assembly is operable, in accordance with the one or more control signals, to receive the one or more inbound wireless signals and to transmit the one or more outbound wireless signals.

Abstract: A poly interwoven spiral antenna includes a plurality of interwoven spiral antenna units, an excitation region, and a plurality of spoke excitation connections. An interwoven spiral antenna unit includes a non-inverted spiral section having a spiral shape and an inverted spiral section having an inverted spiral shape. A first end of a spoke excitation connection is coupled to a corresponding one of the interwoven spiral antenna units and a second end of the spoke excitation connection is coupled to the excitation region.

Abstract: A programmable antenna assembly includes a plurality of interwoven spiral antenna units and a by-pass circuit. An interwoven spiral antenna unit of the interwoven spiral antenna units includes an inverted spiral section and a non-inverted spiral section. The by-pass circuit is operable to couple at least some of the interwoven spiral antenna units into a programmed multiple interwoven spiral antenna assembly.