Digital capacity centric distributed antenna system

A Hasarchi, A Meir, MJG Lewis - US Patent 9,179,321, 2015 - Google Patents
First worldwide family litigation filed litigation Critical https://patents. darts-ip. com/? family=
50068571&utm_source= google_patent&utm_medium= platform_link&utm_campaign …

Flexible, reconfigurable multipoint-to-multipoint digital radio frequency transport architecture

D Zavadsky, J Forland, LG Fischer, PM Wala - US Patent 9,385,797, 2016 - Google Patents
2014-01-27 Assigned to ADC TELECOMMUNICATIONS, INC. reassignment ADC
TELECOMMUNICATIONS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE …

Power loop control based envelope tracking

N Khlat - US Patent 9,247,496, 2016 - Google Patents
Configuration-feedback circuitry and transceiver circuitry are disclosed. The configuration-
feedback circuitry regulates an output power from a radio frequency power amplifier based …

Average power tracking controller

MR Kay, N Khlat - US Patent 9,280,163, 2016 - Google Patents
This disclosure relates to radio frequency (RF) power con verters and methods of operating
the same. In one embodi ment, an RF power converter includes an RF switching con verter …

Multiple power supply input parallel amplifier based envelope tracking

N Khlat, MR Kay, P Gorisse - US Patent 9,379,667, 2016 - Google Patents
A switch mode power supply converter and a parallel amplifier are disclosed. The switch
mode power supply converter is coupled to a modulated power supply output and the …

Envelope tracking power supply voltage dynamic range reduction

JF Chiron, N Khlat - US Patent 9,197,162, 2015 - Google Patents
(57) ABSTRACT A radio frequency (RF) system includes an RF power ampli fier (PA), which
uses an envelope tracking power supply voltage to provide an RF transmit signal, which has …

Forward-path digital summation in digital radio frequency transport

D Zavadsky, J Forland, LG Fischer, PM Wala - US Patent 9,367,828, 2016 - Google Patents
A distributed antenna switch includes a plurality of first interfaces, each of the plurality of first
interfaces configured to receive a downlink serialized data stream from a different network …

Multiple mode RF power converter

MR Kay, N Khlat - US Patent 9,041,365, 2015 - Google Patents
This disclosure relates to radio frequency (RF) power con Verters and methods of operating
the same. In one embodi ment, an RF power converter includes an RF switching con verter …

Group delay calibration method for power amplifier envelope tracking

N Khlat, KF Horlander - US Patent 8,942,313, 2015 - Google Patents
An open loop envelope tracking system calibration technique and circuitry are proposed. A
radio frequency power amplifier receives a modulated signal. An envelope tracker power …

Single μC-buckboost converter with multiple regulated supply outputs

N Khlat - US Patent 9,954,436, 2018 - Google Patents
The detailed description described embodiments of highly efficient power management
systems configurable to simultaneously generate various output voltage levels for different …