Wireless signals and techniques for determining locations of objects in multi-path environments
(57) ABSTRACT A time-reversal positioning system includes a storage stor ing first data
representing channel impulse responses derived from probe signals sent from a plurality of …
representing channel impulse responses derived from probe signals sent from a plurality of …
Method, apparatus, and system for object tracking and navigation
methods (1) and (2) require design and manufacturing of special devices such as
specialized radar devices or sensor network nodes, while method (3) has very low accuracy …
specialized radar devices or sensor network nodes, while method (3) has very low accuracy …
Method, apparatus, and systems for wireless event detection and monitoring
An apparatus for detecting events includes a processor and a storage device storing
instructions that when executed by the processor cause the processor to train a classifier for …
instructions that when executed by the processor cause the processor to train a classifier for …
Method, system, and apparatus for wireless power transmission based on power waveforming
The present teaching relates to wireless power transmission based on power waveforming.
In one example, an apparatus for wireless power transmission is disclosed. The apparatus …
In one example, an apparatus for wireless power transmission is disclosed. The apparatus …
Multiuser time-reversal division multiple access uplink system with parallel interference cancellation
In a time-reversal wireless system, a transceiver receives a combined signal that includes
signals from a plurality of devices, each device sending a signal to the transceiver through …
signals from a plurality of devices, each device sending a signal to the transceiver through …
Time-reversal wireless paradigm for internet of things
(65) Prior Publication Data(57) ABSTRACT US 2015/0257167 A1 Sep. 10, 2015 A method
of connecting devices to a network is provided. The method includes providing base stations …
of connecting devices to a network is provided. The method includes providing base stations …
Time-reversal wireless systems having asymmetric architecture
In an asymmetric time-reversal wireless system, a base station includes an input circuit
configured to, during a hand-shake period, receive a channel response signal derived from …
configured to, during a hand-shake period, receive a channel response signal derived from …
Downhole telemetry systems and methods with time-reversal pre-equalization
L Gao - US Patent 9,822,634, 2017 - Google Patents
Specific embodiments of disclosed downhole telemetry systems and methods employ time-
reversal pre-equalization. One downhole telemetry system embodiment includes an …
reversal pre-equalization. One downhole telemetry system embodiment includes an …
Method, apparatus, and system for wireless motion monitoring
Methods, apparatus and systems for object motion detection are disclosed. In one example,
a system having at least a processor and a memory with a set of instructions stored therein …
a system having at least a processor and a memory with a set of instructions stored therein …
Handshaking protocol for time-reversal system
A handshaking process for time-reversal wireless communication is provided. A first device
receives a handshake signal transmitted from a second device through multiple propagation …
receives a handshake signal transmitted from a second device through multiple propagation …