Abstract: An antenna-like matching component is provided, comprising one or more conductive portions formed on a substrate. Shapes and dimensions of the one or more conductive portions are determined to provide impedance matching for one or more antennas coupled to the matching component.

Abstract: A load balancing method for cellular communication systems and communication systems in general is described where beam steering antenna systems on the client or user side of the communication link are used to optimize load balancing among the base stations or nodes. A system controller containing an algorithm is implemented to control the radiation modes from the client or user devices to assign the client or user devices to the various base stations or nodes and to dynamically vary the network load across the cellular or communication system.

Abstract: A wideband phased array antenna is provided. The wideband phased array antenna includes a plurality of antenna cells. Each of the antenna cells is configured to communicate over a frequency band ranging from 24 GHz to 52 GHz. Furthermore, one or more of the antenna cells includes a driven element and a parasitic element. The driven element is disposed on a first substrate that includes a first dielectric material. The parasitic element is disposed on a second substrate positioned relative to the first substrate such that a gap is defined between the first substrate and the second substrate. The second substrate includes a second dielectric material that is different than the first dielectric material.

Abstract: A horn antenna configured for use in a radio frequency (RF) anechoic test chamber is provided. The horn antenna includes one or more conductive radiating elements. The horn antenna further includes an electromagnetic interference (EMI) suppressing material covering at least a portion of a surface of the one or more conductive radiating elements such that the EMI suppressing material at least partially suppresses a surface current associated with the surface of the one or more conductive radiating elements during a test operation.

Abstract: An antenna system is provided. In one example, the system includes a modal antenna having a driven element and a parasitic element. The system includes a radio frequency circuit. The system includes a transmission line coupling the radio frequency circuit to the modal antenna. The radio frequency circuit is configured to modulate a control signal onto an RF signal to generate a transmit signal for communication over the transmission line to the tuning circuit. The control signal can include a frame having a plurality of bits associated with the selected mode of the antenna. The radio frequency circuit is configured to encode the plurality of bits associated with the selected mode in accordance with a coding scheme. The coding scheme specifies a unique code for each mode of the plurality of modes. The unique code for each mode of the plurality of modes differs by at least two bits relative to the unique code for each other mode of the plurality of modes.

Abstract: The disclosure concerns a signal aggregator component designed to couple with an antenna element to form an antenna system, wherein the resulting antenna system can achieve one-hundred percent or greater efficiency in receiving mode. In addition, the antenna system can achieve specific polarization and gain in different sectors of the antenna radiation pattern. The signal aggregator functions to dynamically enable or disable any number of its RF ports to select the RF input signal to aggregate.

Abstract: The disclosure concerns a communication system where adaptive antenna systems with algorithm are used to provide improved channel selection management in Wireless Local Area Network (WLAN) and other multi-node communication systems. The adaptive antenna systems can be integrated into multiple nodes of a communication network, such as access points used in WLAN, and multiple radiation modes generated and tracked to determine optimal mode for access point to client communication links to assist in channel selection across the nodes in the network. Adaptive antenna system modes are selected and Signal to Noise Ratio (SNR) is measured across available frequency channels to determine channels to assign per access point along with radiation modes to be implemented that results in improved SNR for the communication links established in the network.

Abstract: A voltage regulator can include an input device, a current mirror, one or more offset control circuits, an output device, and a positive feedback loop. The input device can be configured to receive a source voltage from a voltage source. The current mirror can be coupled to the input device and configured to provide load current regulation within the voltage regulator. The one or more offset control circuits can be configured to balance voltage levels within the voltage regulator. The output device can include at least a first transistor that is matched to a second transistor within the voltage regulator such that the matching is configured to provide supply regulation within the voltage regulator. The positive feedback loop can be formed at least in part by the current mirror, the first transistor and the second transistor.

Abstract: A mobile computing device including a modal antenna is disclosed. The mobile computing device may include a radio frequency circuit and a modal antenna mechanically coupled to a portion of the mobile computing at a location that is remote from the radio frequency circuit. The modal antenna may include a driven element and a parasitic element positioned proximate to the driven element. The modal antenna may be operable in a plurality of different modes. Each mode may be associated with a different radiation pattern. The mobile computing device may include a transmission line coupling the radio frequency circuit to the modal antenna. The radio frequency circuit may be configured to transmit an RF signal over the transmission line to the modal antenna and configured to communicate a control signal to adjust the mode of the modal antenna over the transmission line.

Abstract: The present invention relates to novel 6-acetylmorphine analogs, and methods for their synthesis and use. Such analogs are designed to provide a convenient linkage chemistry for coupling under mild conditions to a suitable group on a target protein, polypeptide, solid phase or detectable label.

Abstract: A laser direct structure (LDS) antenna assembly is provided. The LDS antenna assembly includes a carrier having a first portion formed from a first resin and a second portion formed from a second resin that is different than the first resin. The LDS antenna assembly further includes an LDS antenna disposed on the carrier. The LDS antenna assembly includes a component coupled to the LDS antenna via a connection point positioned on a surface of the first portion of the carrier such that the component is in electrical communication with the LDS antenna via the connection point.

Abstract: Antenna systems are provided. In one example, an antenna system includes a first antenna array having a plurality of first antenna elements. The first antenna elements are operable to communicate one or more signals via a communication protocol tin a multiple input multiple output (MIMO) mode. The antenna system includes a second antenna array having a plurality of second antenna elements. The antenna system includes a control circuit configured to control operation of one or more of the second antenna elements of the second antenna array in a first mode or a second mode. In the first mode, one or more of the second antenna elements are configured to provide a secondary function to support communication of the first antenna elements via the communication protocol. In a second mode. One or more of the second antenna elements are configured to support beam forming or beam steering of the first antenna elements.

Abstract: An antenna assembly includes a column substrate having a plurality of sides. The column substrate defines a cavity extending from a first end of the column substrate to a second end of the column substrate. The antenna assembly includes a monopole antenna disposed within the cavity. The monopole antenna is configured to communicate over a first frequency band ranging from about 5000 Megahertz to about 5900 Megahertz. The antenna assembly includes a circularly polarized antenna. The circularly polarized antenna includes a plurality of isolated magnetic dipole elements. Each of the isolated magnetic dipole elements is coupled to a different side of the column substrate. The circularly polarized antenna is configured to communicate over a second frequency band and a third frequency band. The second frequency band ranges from about 1560 Megahertz to about 1620 Megahertz. The third frequency band ranges from about 2400 Megahertz to about 2500 Megahertz.

Abstract: An antenna system for use with one or more media devices is provided. The antenna system includes a plurality of antenna elements. Each antenna element is associated with an independent feed element. In addition each antenna element is configured to receive a plurality of radio frequency (RF) signals. Each RF signal can be associated with a UHF band or a VHF band. The antenna system can include at least one tuner and at least one switching device. The at least one switching device can be configured to selectively couple the at least one tuner to one antenna element of the plurality of antenna elements based, at least in part, on channel selection data associated with the at least one tuner.

Abstract: A method for distributing over the air (OTA) content is provided. The method includes detecting connection of an OTA antenna system capable of receiving an OTA signal including media content at a plurality of channels to a network access point via the removable connection. The method includes communicating a control signal from a network access point to the OTA antenna system via a removable connection to configure a modal antenna of the OTA antenna system in a selected mode of a plurality of antenna modes for a selected channel of the plurality of channels. The method includes receiving a signal associated with media content of the selected channel from the OTA antenna system via the removable connection. The method includes communicating the media content of the selected channel via a network communication link to a client device.

Abstract: A system and method for optimizing the performance for MIMO are provided, the system including multiple antennas, including at least one modal antenna, wherein each of the at least one modal antenna has multiple modes corresponding to multiple radiation patterns, and a processor coupled to the multiple antennas and configured to select a mode among the multiple modes to optimize signal quality for each time interval based on a CQI by considering envelop correlation effects.

Abstract: A system for configuring a multi-mode antenna onboard one or more of a plurality of network devices on a wireless network is provided. The system includes one or more processors configured to obtain data indicative of a channel quality indicator associated with one or more antenna modes of a plurality of antenna modes in which the multi-mode antenna onboard one or more of the network devices is configurable. Each of the plurality of antenna modes can have a distinct radiation pattern. The one or more processors can be configured to determine one or more network performance indicators for the wireless network based on the data. The one or more processors can be configured to provide one or more control signals over the wireless network based on the one or more network performance indicators. The control signal(s) can be associated with reconfiguring an antenna mode of the multi-mode antenna.

Abstract: A communication system utilizing reconfigurable antenna systems is described where beam steering and null forming techniques are incorporated to limit the region or volume available for communication with client devices. The communication system described restricts communication to defined or desired area and degrades signal strength coverage outside of a prescribed region. An algorithm is used to control the antenna system to monitor and control antenna system performance across the service area. This antenna system technique is applicable for use in communication systems such as a Local Area Network (LAN), cellular communication network, and Machine to Machine (M2M).

Abstract: A technique is described where the switch and/or tunable control circuit for use with an active multi-mode antenna is positioned remote from the antenna structure itself for integration into host communication systems. Electrical delay and impedance characteristics are compensated for in the design and configuration of transmission lines or parasitic elements as the active multi-mode antenna structure is positioned in optimal locations such that significant electrical delay is introduced between the RF front-end circuit and multi-mode antenna. This technique can be implemented in designs where it is convenient to locate switches in a front-end module (FEM) and the FEM is located in vicinity to the transceiver.

Abstract: An antenna system is provided. The antenna system includes a modal antenna disposed on a circuit board. The modal antenna includes a driven element and a parasitic element. The modal antenna is operable in a plurality of different modes. Each of the plurality of modes has a distinct radiation pattern. The antenna system further includes a radio frequency amplifier circuit disposed on the circuit board. The radio frequency amplifier circuit is coupled between the drive element of the modal antenna and a transmission line.