Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2010 - Google Patents
Frequency translation and applications of the same are described herein, including RF
modem and wireless local area network (WLAN) applications. In embodiments, the WLAN …

Phased array antenna applications on universal frequency translation

MR Johnson, JS Jensen, RT Short, JL Young… - US Patent …, 2009 - Google Patents
A universal frequency translation module (UFT) frequency translates an electromagnetic
(EM) input signal by sampling the EM input signal according to a periodic control signal …

Method and apparatus for the parallel correlator and applications thereof

GS Rawlins, MW Rawlins, DF Sorrells - US Patent 7,433,910, 2008 - Google Patents
A fast correlator transform (FCT) algorithm and methods and systems for implementing
same, correlate an encoded data word (X 0-XM− 1) with encoding coefficients (C 0-CM− 1) …

Universal platform module for a plurality of communication protocols

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2012 - Google Patents
A communication system comprising a multi-protocol, multi-bearer sub-system is described
herein. The sub-system is a universal platform module that can transmit and receive one or …

Method and system for down-converting an electromagnetic signal, transforms for same, and aperture relationships

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2010 - Google Patents
Methods, systems, and apparatuses, and combinations and sub-combinations thereof, for
down-converting an electromagnetic (EM) signal are described herein. Briefly stated, in …

DC offset, re-radiation, and I/Q solutions using universal frequency translation technology

DF Sorrels, MJ Bultman, RW Cook, JS Jensen… - US Patent …, 2009 - Google Patents
Methods, systems, and apparatuses for down-converting an electromagnetic (EM) signal by
aliasing the EM signal, and applications thereof are described herein. Reducing or …

Apparatus and method of differential IQ frequency up-conversion

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2010 - Google Patents
A balanced transmitter up-converts I and Q baseband signals directly from baseband-to-RF.
The up-conversion process is sufficiently linear that no IF processing is required, even in …

Networking methods and systems

JL Parker, DF Sorrells - US Patent 7,460,584, 2008 - Google Patents
A network system includes integrated radio transceivers and digitizers, integrated baseband
processors and device controllers, digital interfaces there between, and architectures and …

Down-converting electromagnetic signals, including controlled discharge of capacitors

DF Sorrells, MJ Bultman, RW Cook, RC Looke… - US Patent …, 2009 - Google Patents
Methods, systems, and apparatuses, for down-converting and up-converting an
electromagnetic signal. In embodiments the invention operates by receiving an EM signal …

Gain control in a communication channel

GS Rawlins, K Brown, MW Rawlins… - US Patent …, 2010 - Google Patents
Methods and apparatuses for reducing DC offsets in a communication system are described.
In a first aspect, a feedback loop circuit reduces DC offset in a wireless local area network …