Abstract: A wireless handheld or portable device capable of multiband MIMO operation comprising a communication module including at least one MIMO system, wherein the at least one MIMO system comprises at least two radiating systems capable of transmitting and receiving electromagnetic wave signals, wherein at least two of the radiating systems are capable of transmitting and receiving electromagnetic wave signals in at least a first frequency band, and wherein at least two of the radiating systems are capable of transmitting and receiving electromagnetic wave signals in at least a second frequency band. The MIMO system further comprises a MIMO module arranged for processing the electromagnetic wave signals. At least one of the radiating systems includes a radiating structure comprising a ground plane (157) capable of supporting at least one radiation mode, and a radiation booster (151a-b, 152, 153) arranged to couple electromagnetic energy from/to the ground plane.

Abstract: A system that incorporates the subject disclosure may include, for example, a method for coupling a primary antenna to an auxiliary antenna portion with a current-controlled switch. The method further includes generating a unidirectional direct current or a first bias voltage having a first polarity to cause the current-controlled switch to substantially form a conduction channel between the primary antenna and the auxiliary antenna portion. While the conduction channel is present, a first resonance frequency range of the primary antenna is frequency shifted to a second resonance frequency range. The method can also include removing the unidirectional direct current or generating a second bias voltage having a second polarity to cause the current-controlled switch to form an open circuit between the primary antenna and the auxiliary antenna portion. While the open circuit is present, the first resonance frequency range of the primary antenna is restored. Other embodiments are disclosed.

Abstract: Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and first and second antennas. An electronic device may include a housing. The first antenna may be located at an upper end of the housing and the second antenna may be located at a lower end of the housing. A peripheral conductive member may run around the edges of the housing and may be used in forming the first and second antennas. The radio-frequency transceiver circuitry may have a transmit-receive port and a receive port. Switching circuitry may connect the first antenna to the transmit-receive port and the second antenna to the receiver port or may connect the first antenna to the receive port and the second antenna to the transmit-receive port.

Abstract: A mobile communication device includes an antenna structure which includes a grounding element and an antenna element. There is a notch at an edge of the grounding element. The antenna element is disposed in the notch and includes a metal loop portion and a monopole antenna. The metal loop portion is electrically connected to the grounding element with at least one shorting point, such that a short-circuited closed metal loop is formed. The monopole antenna has a first end and a second end, wherein the first end of the monopole antenna is a feeding point connected to a signal source, and the second end of the monopole antenna is an open end surrounded by the closed metal loop.

Abstract: An antenna unit and a radio communication device are provided. An antenna unit has a monopole antenna section and a loop antenna section. The monopole antenna section includes a linear radiating electrode that resonates at a first frequency and has an electrical length of one-quarter of the wave length corresponding to the first frequency. The loop antenna section includes a radiating electrode that resonates at a second frequency, is vertically erected on a non-ground region, and connected to a feed line. A proximal end of the radiating electrode of the loop antenna section is connected to an intermediate portion of the feed line, and a distal end thereof is connected to a ground region. The electrical length of the radiating electrode of the loop antenna section is one-half of the wave length of the second frequency.

Abstract: A mobile terminal that can prevent radiation performance deterioration of an antenna is provided. The mobile terminal includes a circuit board in which an antenna and one or more key buttons are mounted, a housing mounted on the antenna and the circuit board, and a case for enclosing a periphery of the one or more key buttons and having a plurality of openings according to the quantity of the key buttons, wherein an antenna adjacent opening among the plurality of openings is extended through a slot toward an edge of the case to embody a loop antenna. Therefore, radiation deterioration of an antenna due to a case can be prevented. In addition, production costs can be minimized, and a desired external appearance of the mobile terminal is not compromised.

Abstract: Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures. An electronic device may include a display mounted within a housing. A peripheral conductive member may run around the edges of the display and housing. Dielectric-filled gaps may divide the peripheral conductive member into individual segments. A ground plane may be formed within the housing from conductive housing structures, printed circuit boards, and other conductive elements. The ground plane and the segments of the peripheral conductive member may form antennas in upper and lower portions of the housing. The radio-frequency transceiver circuitry may implement receiver diversity using both the upper and lower antennas. The lower antenna may be used in transmitting signals. The upper antenna may be tuned using a tunable matching circuit.

Abstract: Handheld electronic devices are provided that contain wireless communications circuitry having at least one antenna. The antenna may have a planar ground element and a planar resonating element. The planar ground element may have a rectangular shape that matches a rectangular housing shape for a handheld electronic device. A dielectric-filled slot may be formed in one end of the planar ground element. The planar resonating element may be located above the slot. The antenna may be a hybrid antenna that contains both a slot antenna structure formed from the slot and a planar inverted-F structure formed from the planar resonating element and the planar ground element. The antenna may be fed using a single transmission line or two transmission lines. With two transmission lines, one transmission line may be associated with the slot antenna structure and one transmission line may be associated with the planar inverted-F antenna structure.

Abstract: An improved RFID antenna system using a first RFID antenna device (in the form of a magnetic antenna (15)) and using a second RFID antenna device (21, 21?) using a flat antenna is distinguished by the following features: the second RFID antenna device comprises one flat antenna (21, 21?) or a group antenna with at least two flat antennas (21, 21?), and the metal plane of the flat antenna (21, 21?) and/or the earth or reflector plane (31; 31.1; 31.2) is divided into metal, earth or reflector plane sections (31.1; 31.2) by slots, interruptions and or recesses (133), wherein the metal, earth or reflector sections (31.1; 31.2) are electrically conductively separated from one another or are electrically conductively connected to one another.

Abstract: A millimeter-wave radio antenna module (600) comprising: an antenna substrate (603) having an antenna (602) provided on a face thereof; and a semiconductor die (601) comprising a wireless system IC, the die mounted on a face of the antenna substrate and configured to provide a signal to the antenna, wherein a ball grid array (605) is formed on a face of the antenna substrate for mounting the antenna module to a circuit board, the ball grid array being configured to define an air dielectric gap (606) between the antenna and the circuit board.

Abstract: A hybrid multi-antenna system includes a system circuit board, an antenna substrate, at least a dipole antenna, and at least a monopole-slot antenna. The system board has at least a system ground plate, and the system ground plate is served as a reflector of the hybrid multi-antenna system. The antenna substrate and the system ground plate have a first distance therebetween. The dipole antenna having a first signal feed-in source and the monopole-slot antenna having a second signal feed-in source respectively provide a first and second operating band, and they are on a surface of the antenna substrate. The monopole-slot antenna is located nearby the dipole antenna. The monopole-slot antenna and the dipole antenna have a second distance therebetween. The first and second signal feed-in sources are vertical to each other, and have the phase difference of 90°.

Abstract: A mobile wireless communications device includes a housing and circuit board carried by the housing. Radio Frequency (RF) circuitry is mounted on the circuit board. A first antenna is supported by the circuit board within the housing and operatively connected to the RF circuitry and configured for cellular phone communications. A second antenna is supported by the circuit board within the housing and operatively connected to the RF circuitry and configured for WiFi communications. The second antenna comprises an inverted-F or monopole antenna having an opening gap that is pointed away from the first antenna.

Abstract: An antenna apparatus that can suppress sensitivity degradation as much as possible to receive AM broadcasts and FM broadcasts even if an antenna height is decreased to 70 mm or less. An antenna board is vertically mounted on a planar antenna base, and a top portion is disposed to stride over the antenna board. An antenna element includes the top portion and an antenna pattern formed on the antenna board. A distance between the antenna base and a lower edge of the top portion is not less than 10 mm, and the lower edge of the top portion is bent downward. The top portion is configured such that an antenna capacitance of the antenna element becomes about 3 pF or more. A received signal from the antenna element is guided to an amplifier board through a connecting wire and amplified. An antenna case is fitted in the antenna base.

Abstract: Multi-antenna systems, including mobile devices having multiple antennas, are provided herein. A first antenna and a second antenna are operable at two or more of the same non-overlapping communication frequency bands. The first antenna and the second antenna are closely spaced and have different fundamental modes of operation such that the first antenna and second antenna are substantially isolated at the two or more non-overlapping communication frequency bands. The first antenna and second antenna having different fundamental modes can be a linear antenna, such as a monopole, dipole, PIFA, or PILA, and an aperture antenna, such as a slot or loop antenna.

Abstract: Embodiments of the invention provide several antenna designs that exhibit both high bandwidth and efficiency, such as for operation in one or more bands, such as but not limited to operation in 3G, 4G, LTE bands. A first aspect of the invention concerns the form factor of the enhanced antenna; a second aspect of the invention concerns the ease with which the enhanced antenna is manufactured; and a third aspect concerns the superior performance exhibited by the enhanced antenna across one or more bandwidths.

Abstract: A fin-type planar antenna and a deployable dipole antenna are combined into a system as a diversity fin antenna to reduce or eliminate cross polarization fades and dropouts common to wireless audio systems used in theatres, churches and convention centers. A dual feedline connects the diversity fin antenna system to a diversity-equipped receiver in a convenient and rapid manner. The antenna system features broad bandwidth, resistance to deep nulls or fades caused by cross polarization, and an air space dielectric covering provides resistance to detuning in the presence of rain, or touching objects.

Abstract: An antenna apparatus comprises selectable antenna elements including a plurality of dipoles and/or a plurality of slot antennas (“slot”). Each dipole and/or each slot provides gain with respect to isotropic. The dipoles may generate vertically polarized radiation and the slots may generate horizontally polarized radiation. Each antenna element may have one or more loading structures configured to decrease the footprint (i.e., the physical dimension) of the antenna element and minimize the size of the antenna apparatus.

Abstract: An antenna apparatus includes a dipole antenna, a first monopole antenna and a second monopole antenna, each formed in a form of a conductor pattern on an insulating substrate. A fifth portion of the first monopole antenna and a seventh portion of the second monopole antenna are formed to be adjacent to and to be substantially parallel to a grounding conductor provided outside the antenna apparatus. The fifth portion includes a loop portion, and the seventh portion includes a loop portion.

Abstract: Embodiments disclosed herein relate to a directional diversity receive system. The system may comprise a plurality of antennas attached to and fixed with respect to a frame. The system may further comprise a steerable antenna attached to and moveable with respect to the frame. The system may be encapsulated by a cover and may be configured for relocation as an integrated module.

Abstract: The invention relates to a handheld device comprising a first antenna (401, 701, 901, 931, 961, 1101, 1151, 1301, 1501) arranged to operate in at least a first frequency band, and a second antenna (402, 702, 902, 1102, 1302, 1502, 2210) arranged to operate in at least a second frequency band, wherein said second frequency band is different from said first frequency band. According to the invention, the second antenna comprises a slot antenna comprising at least one slot in at least one conductive layer. The invention also relates to enhancement of the isolation between first and second antennas in a handheld device.

Abstract: A portable electronic device which can be changed between a first state and a second state includes an antenna that forms a loop in the first state and does not form the loop in the second state. A mobile telephone includes an operation unit-side casing, a display unit-side casing, a linking part which links the operation unit-side casing and the display unit-side casing; and a loop antenna. The loop antenna includes a first part disposed at the operation unit-side casing; a second part disposed at the display unit-side casing; a contacting part disposed at the operation unit-side casing; and a contacted part disposed at the display unit-side casing.

Abstract: A multi-service antenna may comprise: a support structure, a reflector mounted to the support structure, a signal processing assembly mounted with the support structure, a first wire strung between the reflector and the support structure and/or the signal processing assembly, and circuitry for processing a first signal received as a result of electromagnetic radiation (e.g., terrestrial television and/or cellular signals) incident on the first wire. The circuitry for processing the first signal may be housed in the signal processing assembly. A second wire may also be strung between the reflector and the support structure and/or the signal processing assembly, and the circuitry may be operable to perform diversity processing of signals received via the two wires.

Abstract: An antenna structure comprising a dielectric substrate layer and a patch layer laminated on top of the dielectric substrate layer, wherein the antenna structure is adapted to provide dual band coverage by combining a patch mode and a slot mode configuration.

Abstract: A computing device with a configurable antenna. The antenna is configured through a switching circuit operating under software control. Operating characteristics of the antenna are configured based on connections between conducting segments established by the switching circuit, allowing the nominal frequency, bandwidth or other characteristics of the antenna to be configured. Because the switching is software controlled, the configurable antenna may be integrated with a software defined radio. The radio and antenna can be reconfigured to support communication according to different wireless technologies at different times or to interleave packets according to different wireless technologies to support concurrent sessions using different wireless technologies.

Abstract: An antenna provides two antenna elements, which are connected to one another. The second antenna element can be connected to a radio device. The first antenna element and the second antenna element together form a first antenna part. The second antenna element alone forms a second antenna part. The first antenna element comprises at least in part at least one flexible metal strip. The second antenna element comprises at least in part a flexible corrugated tube.

Abstract: An antenna assembly for a wireless communication device includes a substrate of dielectric material that has opposing first and second surfaces. A ground plane formed by a layer of electrically conductive material on the first surface. An antenna with a physical length is disposed on the substrate. At least one metal-dielectric structure is disposed on the substrate. The metal-dielectric structures resonate so as to interact with the antenna and thereby alter the effective electrical length of the antenna. That interaction causes the antenna to function as though it had a greater physical length. In one embodiment, that interaction enables an antenna, that is shorter than one-fourth the wavelength of a radio frequency signal applied thereto, to function as through the physical length of the antenna was one-fourth that wavelength.

Abstract: A device includes a feeding circuitry, a basic mode radiator for forming a basic mode main beam pattern having one or two orthogonal polarizations based on first two orthogonal inputs received from the feeding circuitry, and a higher-order mode radiator for forming a higher-order mode conical beam pattern having one or two orthogonal polarizations based on second two orthogonal inputs received from the feeding circuitry.

Abstract: A mobile device includes a ground element, a conductive bezel, a nonconductive layer, and a feeding element. The conductive bezel is substantially independent of the ground element. A slot is formed in the conductive bezel. The nonconductive layer is affixed to the conductive bezel and covers the slot of the conductive bezel. The feeding element is close to the slot of the conductive bezel and is coupled to a signal source. An antenna structure is formed by the feeding element and the slot.

Abstract: A multi-band antenna includes a feed-in section, a loop conductor, a first conductor arm, a second conductor arm, and a third conductor arm. The feed-in section includes a feed-in point for feeding of signals. The loop conductor extends from the feed-in section and has a grounding point disposed adjacent to the feed-in point. The first conductor arm is configured to resonate in a first frequency band and extends from the feed-in section. The second conductor arm is configured to resonate in a second frequency band and extends from the feed-in section. The third conductor arm is configured to resonate in a third frequency band and extends from the feed-in section. At least one of the loop conductor, the first conductor arm, the second conductor arm, and the third conductor arm is bent so as to be disposed in different planes.

Abstract: An antenna apparatus includes a first feeding point and a second feeding point provided at respective positions on an antenna element. The antenna element is excited through the first and second feeding points simultaneously so as to operate as a first antenna portion and a second antenna portion simultaneously, the first antenna portion and the second antenna portion correspond to the first and second feeding points, respectively. The antenna element further includes, between the first and second feeding points, an electromagnetic coupling adjuster for making an amount of isolation between the first and second antenna portions.

Abstract: Embodiments provide an integrated antenna system that enables dual-use operation (e.g., communications and navigation). In an embodiment, the integrated antenna system includes a sleeve monopole antenna system and stacked shorted annular ring (SAR) patch antenna system, which are compactly integrated to fit on a military handset or a smart phone. In an embodiment, the integrated antenna system enables communication in the 225-450 MHz Ultra-High Frequency (UHF) band and reception of various Global Navigation Satellite System (GNSS) bands.

Abstract: An antenna structure for MIMO application includes a substrate, a first antenna element, and a second antenna element. A metal ground layer covers a portion of a first surface of the substrate, and the first antenna element is arranged on the metal ground layer. The first antenna element includes an open-slot, which extending from an edge of the metal ground layer toward an inner portion of the metal ground layer, and a signal feed-in member arranged on a second surface of the substrate and spatially corresponding to an open end of the open-slot. The second antenna element is arranged on the first surface of the substrate adjacent to the first antenna element and extending away from the metal ground layer, and includes a signal feed-in portion arranged adjacent to the open end of the open-slot, and electronically connects to the signal feed-in member.

Abstract: A mobile wireless communications device may include a plurality of antennas, a plurality of wireless transceivers, and signal processing circuitry. The device may further include a controller for selectively switching the signal processing circuitry to a desired one of the wireless transceivers, and for selectively switching a desired one of the antennas to the desired one of the wireless transceivers. Moreover, the controller may also be for selectively connecting and disconnecting the at least one other one of the antennas to an unused one of the wireless transceivers.

Abstract: A multi-use antenna system that can be used in, for example, integrated communications and navigation capability is provided. In an embodiment, an antenna system is provided. The antenna system includes a first antenna having a plurality of radiating elements substantially wrapped around an axis and a second antenna located within the first antenna. The first and second antennas are coupled to the same ground plane and are configured to operate in different frequency bands.

Abstract: A device comprising an elongated structural member, said member including a dielectric material such as air or other suitable dielectric disposed inside the member and having a microstrip disposed axially in the dielectric material. The member may have a series of slots positioned at a predetermined distance with each slot having a portion transverse to the disposition of the microstrip, and a portion parallel to the disposition of the microstrip. In operation RF power from the microstrip radiates through the slots according to a desired radiation pattern. Some embodiments may have arrays of patch antennas positioned to radiate in a direction to complement the radiation pattern of the slots. The slots may be formed asymmetrical or symmetrical to achieve a desired radiation pattern. Some embodiments provide for omni-directional radiation in horizontal polarization. When patches arrays are added the structure may provide dual (vertical and horizontal) polarization.

Abstract: The specification discloses a low-profile, ultra wideband, inverted f antenna having increased bandwidth. The antenna includes a ground plane, a planar antenna element spaced from the ground plane, a first tubular element electrically connected to and extending from the ground plane toward the antenna element, and a second tubular element electrically connected to and extending from the antenna element toward the ground plane. The tubular elements physically interfit but are electrically separated. The antenna is compatible with LTE, GPS and satellite radio communications to provide a compact antenna suitable for use in automotive and other applications.

Abstract: The present invention is related to a communication device which includes a ground element and an antenna system. The ground element includes a main ground plane and a protruded ground plane. The antenna system includes a first antenna and a second antenna. The first antenna includes a metal radiation element and is adjacent to the main ground plane of the ground element. The second antenna is a slot antenna and is formed in the protruded ground plane of the ground element. The protruded ground plane is adjacent to the first antenna.

Abstract: A mobile device includes a metal body element, a feeding element, and a second antenna. The metal body element is substantially a planar structure and has a slot, wherein a first antenna is formed by the slot of the metal body element. The feeding element extends across the slot of the metal body element, and is coupled to a first signal source. The second antenna is substantially located inside the slot of the metal body element, and is coupled to a second signal source. The slot is used as a portion of a resonant structure of the second antenna in order to reduce a total size of the first antenna and the second antenna.

Abstract: A multi-antenna for a multi-input multi-output wireless communication system includes a substrate, a first planar antenna formed on the substrate along a first direction, a second planar antenna formed on the substrate along a second direction, and a vertical antenna including a conductor formed on the substrate and between the first planar antenna and the second planar antenna, and a radiator perpendicular to the substrate and coupled to the conductor.

Abstract: A mobile wireless communications device includes a housing and circuit board carried by the housing. Radio Frequency (RF) circuitry is mounted on the circuit board. A first antenna is supported by the circuit board within the housing and operatively connected to the RF circuitry and configured for cellular phone communications. A second antenna is supported by the circuit board within the housing and operatively connected to the RF circuitry and configured for WiFi communications. The second antenna comprises an inverted-F or monopole antenna having an opening gap that is pointed away from the first antenna.

Abstract: An antenna device including: a first antenna assembly configured to receive first radiofrequency signals polarized according to a first polarization; a second antenna assembly configured to receive second radiofrequency signals polarized according to a second polarization orthogonal to the first polarization; and a radiofrequency signal handling assembly coupled with the first and second antenna assemblies, and configured to handle the received first radiofrequency signals separately from the received second radiofrequency 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 multiband reception antenna enables the combined reception of circularly polarized satellite radio signals from at least one satellite radio service which emits with circular polarization and of terrestrially emitted radio signals. The multiband reception antenna comprises at least one satellite reception antenna with a ring line emitter and a plurality of vertical emitters are connected to the ring line emitter over the circumference of the ring line emitter. Furthermore, a monopole is provided, with a monopole connection point formed at the lower end thereof.

Abstract: An antenna device includes a ground section including a planar section, a feeding section, a first feeding element arranged along the planar section of the ground section, and a second feeding element including a loop-like body portion arranged parallel to the first feeding element at a predetermined distance from the first feeding element, the loop-like body portion including one end portion bent to be electrically connected to the ground section, and the other end portion bent to be electrically connected to the feeding section. Both of the one end portion and the other end portion of the second feeding element are provided in a vicinity of an outer periphery of the ground section.

Abstract: A system that incorporates the subject disclosure may include, for example, a method for electrically coupling a first lower frequency radiator of a first antenna to a first upper frequency radiator of a second antenna via a shared first port, electrically coupling a second lower frequency radiator of the first antenna to a second upper frequency radiator of the second antenna via a shared second port, suppressing, at least in part, with at least one first filter, first signals of the first lower frequency radiator from entering the first upper frequency radiator, second signals of the first upper frequency radiator from entering the first lower frequency radiator, or both, and suppressing, at least in part, with at least one second filter, third signals of the second lower frequency radiator from entering the second upper frequency radiator, fourth signals of the second upper frequency radiator from entering the second lower frequency radiator, or both. Other embodiments are disclosed.

Abstract: The present invention is directed to an antenna assembly. The antenna assembly may include multiple sets of radiators (ex.—antenna elements) with each set of radiators being fed by its own RF feed network. The multiple sets of radiators may be arranged in a stackable configuration for providing a low profile antenna assembly which concurrently supports multiple frequency bands (exs.—L band, C band, Ku band).

Abstract: A multi-function array is described where several communication system functions are realized using the same antenna architecture. An array of antenna elements where each antenna element can generate multiple radiation patterns is described; the multiple radiation patterns from each antenna element provides increased capability and flexibility in generating a phased array, a MIMO antenna system, a receive diversity antenna system, as well as direction finding feature by way of an interferometer function provided by one or multiple elements. The small volume attributes of the antenna elements populating the array lend this technique to mobile wireless devices as well as access points.

Abstract: A transceiver is disclosed. The transceiver includes: a circuit board; a receiving antenna mounted to the circuit board; and a transmitting antenna mounted to the receiving antenna. The receiving antenna includes: a supporter; a coil antenna having a coil wound around the supporter; a first terminal arranged on the supporter and connected with the coil antenna; and a second terminals arranged on the supporter. The transmitting antenna includes: a horizontal part extending in a direction perpendicular to a thickness direction of the circuit board; and a vertical part extending in the thickness direction of the circuit board. The vertical part is connected with the horizontal part and the second terminal.

Abstract: A scheduling method in a distributed antenna system is provided. Each of a plurality of Mobile Stations (MSs), respectively corresponding to each subchannel, are classified as a Single Transmission (ST) MS or a Cooperative Transmission (CT) MS according to a CT criterion. An MS with a maximum channel capacity is selected from among the classified MSs. Resources are allocated to a corresponding subchannel when the selected MS is the ST MS, and resources are allocated using a CT scheduling technique when the selected MS is the CT MS. The classifying, selecting and allocating steps are repeated until allocation of resources is completed.

Abstract: A navigation system determines its usage mode. In some embodiments, a method comprises determining a usage mode of a navigation system based on at least one of an acceleration indicator, a speed indicator, and a magnet sensor. The usage mode is at least one of a pedestrian mode, a vehicular mode, an aerial mode, a train mode, and a marine mode. The method further comprises configuring a navigation subsystem based on the usage mode.