Abstract:
Methods and systems for an analog crossbar may comprise, in a wireless device comprising a receiver path with an analog crossbar: receiving a digital signal comprising a plurality of channels; amplifying the received signal; converting the amplified signal to an analog signal; separating the analog signal into a plurality of separate channels; routing the plurality of separate channels to desired signal paths utilizing the analog crossbar; and converting the routed plurality of separate channels to a plurality of digital signals. The analog crossbar may comprise an array of complementary metal-oxide semiconductor (CMOS) transistors. The analog crossbar may comprise a plurality of differential pair signal lines, and a plurality of single-ended signal lines. The received signal may be amplified utilizing a low-noise amplifier (LNA), where a gain level of the LNA may be configurable. The analog signal may be separated into separate channels using a channelizer.
Abstract:
An Internet protocol low noise block downconverter (IP LNB) assembly, which may be within a satellite reception assembly, may be operable to determine location information and/or time information of the IP LNB assembly, such as via a global navigation satellite system (GNSS) module in the IP LNB assembly. The IP LNB assembly may provide services based on the determined location information and/or the determined time information of the IP LNB assembly. The IP LNB assembly may communicate the determined location information and/or the determined time information to a wireless communication device for determining location information of the wireless communication device. The IP LNB assembly may determine location information of a wireless source device based on a signal received from the wireless source device, the determined location information and the determined time information of the IP LNB assembly.
Abstract translation:可以在卫星接收组件内的因特网协议低噪声块下变频器(IP LNB)组件可以用于确定IP LNB组件的位置信息和/或时间信息,例如经由全球导航卫星系统(GNSS) )模块。 IP LNB组件可以基于所确定的位置信息和/或所确定的IP LNB组件的时间信息来提供服务。 IP LNB组件可以将确定的位置信息和/或所确定的时间信息传送到用于确定无线通信设备的位置信息的无线通信设备。 IP LNB组件可以基于从无线源设备接收的信号,所确定的位置信息和所确定的IP LNB组件的时间信息来确定无线源设备的位置信息。
Abstract:
Circuitry of a hybrid fiber-coaxial network may comprise a first transceiver configured to connect the circuitry to an optical link, a second transceiver configured to connect the circuitry to an electrical link, a first processing path, a second processing path, and a switching circuit. In a first configuration, the switching circuit may couple the first transceiver to the second transceiver via the first processing path. In a second configuration, the switching circuit may couple the first transceiver to the second transceiver via the second processing path. The first transceiver may comprise a passive optical network (PON) transceiver and the second transceiver may comprise a data over coaxial service interface specification (DOCSIS) physical layer transceiver. The switching circuit may be configured based on the type of headend to which the circuitry is connected.
Abstract:
In a first configuration, circuitry of a fiber node may be configured to modulate an optical carrier by an analog upstream electrical signal received via the electrical network. In a second configuration, the circuitry may be configured to digitize the analog upstream electrical signal to generate a digitized upstream signal, and modulate the optical carrier with the digitized upstream signal. An optical receiver of the fiber node may be configured to convert a downstream optical signal to a downstream electrical signal. In the first configuration, the downstream electrical signal may be a first analog signal and the circuitry may be configured to output the first analog signal into the electrical network. In a third configuration, the downstream electrical signal is a digitized waveform and the circuitry is configured to convert the digitized waveform to a second analog signal and output the second analog signal into the electrical network.
Abstract:
A multi-standard receiver may comprise in an electronic device, receiving an input radio frequency (RF) signal comprising at least two RF signals of different communication standards. The input RF signal may be separated into two signals based on their different communication standard sand configurable gain levels may be applied to equalize their magnitudes. The amplified signals may be combined, and the combined signals may be converted to a digital signal. The configurable gain may be applied to the two signals using variable gain amplifiers. A null may be generated at the input of at least one of the variable gain amplifiers utilizing a mixer and a filter, both configured to a desired frequency. The desired frequency may correspond to an interferer signal. The input RF signal may be separated into two signals utilizing a diplexer. The input RF signal may be received from a wired connection and/or an antenna.
Abstract:
An Internet protocol low noise block downconverter (IP LNB) assembly, within a satellite reception assembly, may be operable to determine location information and/or time information of the IP LNB assembly, via a global navigation satellite system (GNSS) module in the IP LNB assembly. The IP LNB assembly may provide services based on the determined location information and/or the determined time information of the IP LNB assembly. The IP LNB assembly may communicate the determined location information and/or the determined time information to a wireless communication device for determining location information of the wireless communication device. The IP LNB assembly may determine location information of a wireless source device, based on the determined location information and the determined time information of the IP LNB assembly along with a plurality of other location information and a plurality of corresponding other time information associated with a plurality of other IP LNB assemblies.
Abstract translation:在卫星接收组件内的因特网协议低噪声块下变频器(IP LNB)组件可以用于经由IP中的全球导航卫星系统(GNSS)模块来确定IP LNB组件的位置信息和/或时间信息 LNB组装。 IP LNB组件可以基于所确定的位置信息和/或所确定的IP LNB组件的时间信息来提供服务。 IP LNB组件可以将确定的位置信息和/或所确定的时间信息传送到用于确定无线通信设备的位置信息的无线通信设备。 IP LNB组件可以基于所确定的位置信息和所确定的IP LNB组件的时间信息以及多个其他位置信息和与多个相关联的多个对应的其他时间信息来确定无线源设备的位置信息 的其他IP LNB组件。
Abstract:
An electro-absorption modulated laser may include a first diode and a second diode. The first diode may be operable to receive a first voltage and generate a first output. The second diode may be coupled to the first diode and may be operable to receive a second voltage. The second diode may generate a photocurrent using the first output and the second voltage.
Abstract:
A system comprises a first phased array radar assembly configured to be attached to a vehicle. The first phased array radar assembly includes a first plurality of antennas arranged in an array and attached to a circuit board. The system also includes one or more circuits attached to the circuit board. Each of the one or more circuits includes transmitter circuitry communicatively coupled to a subset of the first plurality of antennas and receiver circuitry communicatively coupled to the subset of the first plurality of antennas.
Abstract:
Methods and systems are provided for using frequency spreading during communications, in particular communications in which multiple carriers (or subcarriers) are used. The frequency spreading may comprise generating a plurality of spreading data vectors based on transmit data, such as by application of a spreading matrix to portions of the transmit data. Each spreading data vector may comprise a plurality of elements, for assignment to the multiple subcarriers. The receive-side device may then apply frequency de-spreading, to obtain the original transmit data. The frequency de-spreading may comprise use of the same spreading matrix on data extracted from received signals, which (the data) may correspond to the plurality of spreading data vectors.
Abstract:
A system comprises a plurality of antenna elements arranged in a two-dimensional array, and a plurality of transmitter circuits communicatively coupled to the antenna elements, wherein the antenna elements and transmitter circuits are configured such that desired components of signals output by the plurality of transmitter circuits and radiated via the antenna elements coherently combine in a desired direction. Each of the transmitter circuits is operable to generate a corresponding second signal for transmission via a respective one of the antenna elements by shifting a phase of undesired components in the signal relative to a phase of desired components in the signal.