Inventor
BIRCHLER MARK A
US23 patents
⚠️ This page may combine multiple inventors who share the name “BIRCHLER MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
22 patentsUS5381449AJan 10, 1995
Peak to average power ratio reduction methodology for QAM communications systems
MOTOROLA INC194 citations99
US5170413ADec 8, 1992
Control strategy for reuse system assignments and handoff
MOTOROLA INC203 citations98
US5638403AJun 10, 1997
Low-splatter peak-to-average signal reduction with interpolation
MOTOROLA INC111 citations97
US5406588AApr 11, 1995
Method and apparatus for mitigating distortion effects in the determination of signal usability
MOTOROLA INC61 citations96
US5287387AFeb 15, 1994
Low splatter peak-to-average signal reduction
MOTOROLA INC102 citations96
US5241544AAug 31, 1993
Multi-channel tdm communication system slot phase correction
MOTOROLA INC84 citations96
US5140615AAug 18, 1992
Maximal ratio diversity combining technique
MOTOROLA INC72 citations96
US6167275ADec 26, 2000
Method and apparatus for determining a location of a communication unit in a wireless communication system
MOTOROLA INC64 citations95
US5553102ASep 3, 1996
Diversity reception communication system with maximum ratio combining method
MOTOROLA INC87 citations95
US5487091AJan 23, 1996
Method for determining signal usability in a diversity receiver
MOTOROLA INC46 citations93
US5469465ANov 21, 1995
Method and apparatus for mitigating distortion effects in the determination of signal usability
MOTOROLA INC39 citations93
US5440582AAug 8, 1995
Method and apparatus for determining signal usability
MOTOROLA INC45 citations93
US5396656AMar 7, 1995
Method for determining desired components of quadrature modulated signals
MOTOROLA INC30 citations93
US7788387B2Aug 31, 2010
Method and system for incentive-based ad hoc networking
MOTOROLA INC22 citations92
US5812600ASep 22, 1998
Method and apparatus for mitigating distortion effects in the determination of signal usability
MOTOROLA INC30 citations92
US5440590AAug 8, 1995
Method and apparatus for producing a usable signal from received diverse modulated signals
MOTOROLA INC28 citations92
US6161015ADec 12, 2000
Method for improving communication coverage in multi-cell communication systems using location information
MOTOROLA INC43 citations91
US5929806AJul 27, 1999
Method for estimating a location of a mobile unit based on at least two fixed transceivers
MOTOROLA INC52 citations91
US5884215AMar 16, 1999
Method and apparatus for covariance matrix estimation in a weighted least-squares location solution
MOTOROLA INC50 citations91
US7773941B2Aug 10, 2010
Method and system for positioning a relay in a wide area communication network
MOTOROLA INC11 citations84
US6396825B1May 28, 2002
Method and apparatus for using a pseudo-random signal in a communication system
MOTOROLA INC11 citations73
US7796633B2Sep 14, 2010
Range equalization transceiver system and method of using same
MOTOROLA INC5 citations63