Abstract:
A hybrid SAR ADC can be implemented to reduce the number of operations that are executed to convert an analog input signal into its digital representation. Pipeline processing operations can be executed on the analog input signal to generate pipeline bits (MSBs of the digital representation) and an analog residue signal. The analog residue signal can be compared against a plurality of thresholds to generate comparator bits that are indicative of a range associated with a subset of the predetermined thresholds that correspond to the analog residue signal. Successive approximation analog-to-digital conversion operations can be executed on the analog residue signal to generate successive approximation bits. The digital representation can be determined based, at least in part, on the pipeline bits, the comparator bits, and the successive approximation bits.
Abstract:
A method for wireless communication is described herein. The method may include advertising support by a wireless device for a first bandwidth mode and a second bandwidth mode, wherein the first bandwidth mode utilizes a single channel and the second bandwidth mode utilizes channel bonding between a plurality of channels. The method may also include switching a current bandwidth mode of the wireless device from one of the bandwidth modes to the other of the bandwidth modes and adjusting a number of multiple-input, multiple-output (MIMO) spatial streams supported by the wireless device in response to the switching.
Abstract:
Functionality can be implemented to calibrate the output transmit power of a power amplifier of a network device without the use of test equipment. An RF signal can be transmitted at the saturated output power (of a power amplifier) from a transmitter unit to a receiver unit of the network device via a loopback path. A received power of the RF signal received via the loopback path can be measured. The loopback gain associated with the network device is determined based on the saturated output power and the measured received power. The output transmit power can be calibrated by iteratively decreasing the output transmit power by an unknown value, transmitting a new RF signal via the loopback path at the decreased output transmit power, measuring the new received power, and calculating the decreased output transmit power using the loopback gain and the measured new received power.
Abstract:
One aspect of an apparatus for wireless communications is disclosed. The apparatus includes a controller, a first transceiver, and a second transceiver. The first transceiver is configurable by the controller to support first communications through a cellular network to at least one of a packet-based network and a circuit-switched network. The second transceiver configurable by the controller to operate with the first transceiver to support first communications through the cellular network in a first mode and support second communications through an access point to the packet-based network in a second mode. In an aspect, the second transceiver is further configured to switch from the first mode to the second mode by moving its wireless connection from the cellular network to the access point while maintaining a network-layer connection to the cellular network.
Abstract:
Methods, systems, and devices are described for power conservation in a wireless communications system. In embodiments, power conservation may be achieved by adaptively controlling power modes of a wireless communication device, and implementing lower power modes with various modes of the device. According to one aspect, the mode of the device may be a beacon monitoring mode or a delivery traffic indication message (DTIM) mode. In such a mode, the device may receive a portion of a beacon in a first power mode. The device may transition to a second, different (e.g., higher) power mode using information contained in the received portion of the beacon as guidance.
Abstract:
Methods, systems, and devices are described for power conservation in a wireless communications system. In embodiments, power conservation may be achieved by adaptively controlling power modes of a wireless communication device, using a modulation and coding scheme (MCS) value as a factor for guidance. According to one aspect, the device may be in a reception mode. While in a first power mode, the device may receive control information for incoming data that is being transmitted via a transmission frame. The control information may be located in a first portion of the frame with the data following in a second portion of the frame. The control information may include or otherwise indicate an MCS value corresponding to the MCS applied to the incoming data. Based on the MCS value, the device may be adaptively switched to a second power mode for receiving the incoming data.
Abstract:
Functionality can be implemented to calibrate the output transmit power of a power amplifier of a network device without the use of test equipment. An RF signal can be transmitted at the saturated output power (of a power amplifier) from a transmitter unit to a receiver unit of the network device via a loopback path. A received power of the RF signal received via the loopback path can be measured. The loopback gain associated with the network device is determined based on the saturated output power and the measured received power. The output transmit power can be calibrated by iteratively decreasing the output transmit power by an unknown value, transmitting a new RF signal via the loopback path at the decreased output transmit power, measuring the new received power, and calculating the decreased output transmit power using the loopback gain and the measured new received power.
Abstract:
Methods, systems, and devices are described for power conservation in a wireless communications system. In embodiments, power conservation may be achieved by adaptively controlling power modes of a wireless communication device, using a modulation and coding scheme (MCS) value as a factor for guidance. According to one aspect, the device may be in a reception mode. While in a first power mode, the device may receive control information for incoming data that is being transmitted via a transmission frame. The control information may be located in a first portion of the frame with the data following in a second portion of the frame. The control information may include or otherwise indicate an MCS value corresponding to the MCS applied to the incoming data. Based on the MCS value, the device may be adaptively switched to a second power mode for receiving the incoming data.
Abstract:
A method for wireless communication is described herein. The method may include advertising support by a wireless device for a first bandwidth mode and a second bandwidth mode, wherein the first bandwidth mode utilizes a single channel and the second bandwidth mode utilizes channel bonding between a plurality of channels. The method may also include switching a current bandwidth mode of the wireless device from one of the bandwidth modes to the other of the bandwidth modes and adjusting a number of multiple-input, multiple-output (MIMO) spatial streams supported by the wireless device in response to the switching.