Adaptive techniques for full duplex communications

D Bharadia, JI Choi, M Jain, S Katti, TM Kim… - US Patent …, 2019 - Google Patents
In one aspect there is provided a method. The method may include receiving a first analog
radio frequency signal including a signal of interest and an interference signal caused by a …

Single channel full duplex wireless communications

M Jain, JI Choi, K Srinivasan, P Levis, S Katti… - US Patent …, 2018 - Google Patents
In one aspect there is provided a method. The method may include receiving a first analog
radio frequency signal including a signal of interest and an interference signal caused by a …

Method and apparatus for using MBSFN subframes to send unicast information

AD Khandekar, J Montojo, N Bhushan… - US Patent …, 2014 - Google Patents
Techniques for sending information in a wireless network are described. The network may
support (i) regular subframes used to send unicast information and (ii) multicast/broadcast …

Self-interference cancellation

D Bharadia, S Katti, E McMilin, M Jain, JI Choi… - US Patent …, 2019 - Google Patents
A wireless communication device includes, in part, an analog interference cancellation
circuit and a controller. The analog cancellation circuit includes a multitude of delay paths …

Signal cancellation using feedforward and feedback paths

JI Choi, S Hong, M Jain, S Katti, P Levis… - US Patent …, 2016 - Google Patents
A circuit that cancels a self-interference signal includes, in part, a pair of signal paths that are
substantially in phase, each of which paths includes a passive coupler, a delay element and …

Self-interference cancellation for MIMO radios

D Bharadia, S Katti - US Patent 10,243,719, 2019 - Google Patents
(57) ABSTRACT A MIMO wireless communication device includes, in part, a first transmit
path adapted to transmit a first transmit signal from a first antenna, a second transmit path …

Radio communication system, terminal apparatus and base station apparatus

M Mukai, T Horiguchi, T Tomizawa… - US Patent App. 11 …, 2005 - Google Patents
US20050232135A1 - Radio communication system, terminal apparatus and base station
apparatus - Google Patents US20050232135A1 - Radio communication system, terminal …

Systems and methods for hybrid self-interference cancellation

J Mehlman, M Jain, JI Choi, D Bharadia - US Patent 9,077,421, 2015 - Google Patents
A system for hybrid self-interference cancellation includes a transmit coupler that samples
an RF transmit signal, a RF self-interference canceller that transforms the sampled RF …

Synchronous TDM-based communication in dominant interference scenarios

K Bhattad, R Palanki - US Patent 9,867,203, 2018 - Google Patents
Techniques for supporting communication in a heterogeneous network are described. In an
aspect, communication in a dominant interference scenario may be supported by reserving …

Systems and methods for self-interference canceller tuning

D Bharadia, JI Choi, M Jain - US Patent 9,698,860, 2017 - Google Patents
A method for tuning an analog self-interference canceller includes detecting a tuning trigger,
calculating a set of tuning parameters (the tuning parameters including complex weights for …