Inventor
ERTEL RICHARD B
US22 patents
⚠️ This page may combine multiple inventors who share the name “ERTEL RICHARD B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
L 3 COMM CORP
20 patentsUS7609751B1Oct 27, 2009
Method and apparatus to initiate communications between an unknown node and an existing secure network
L 3 COMM CORP59 citations98
US7054286B2May 30, 2006
Bandwidth allocation and data multiplexing scheme for direct sequence CDMA systems
L 3 COMM CORP238 citations97
US7190683B2Mar 13, 2007
Two-dimensional channel bonding in a hybrid CDMA/FDMA fixed wireless access system to provide finely variable rate channels
L 3 COMM CORP55 citations95
US7436878B1Oct 14, 2008
Method and apparatus for efficient carrier bin search for a composite spreading code
L 3 COMM CORP26 citations92
US7103026B2Sep 5, 2006
Use of chip repetition to produce a flexible bandwidth DS-CDMA system
L 3 COMM CORP33 citations92
US7099372B2Aug 29, 2006
Spreading code hopping for synchronous DS-CDMA system to mitigate interference effects
L 3 COMM CORP22 citations92
US6956838B2Oct 18, 2005
Use of wide element spacing to improve the flexibility of a circular base station antenna array in a space division/multiple access synchronous CDMA communication system
L 3 COMM CORP25 citations92
US7054292B2May 30, 2006
Hybrid synchronous space/code multiple access system using an adaptive antenna system
L 3 COMM CORP20 citations91
US7760697B1Jul 20, 2010
Fast and long range node discovery in spread spectrum networks
L 3 COMM CORP12 citations84
US7606292B1Oct 20, 2009
Sub-sequence accumulation filter and method
L 3 COMM CORP12 citations84
US7545878B1Jun 9, 2009
Efficient circular clipping implementation using simplified CORDIC rotators
L 3 COMM CORP10 citations84
US7301985B1Nov 27, 2007
Pseudo-noise code hopping method and apparatus
L 3 COMM CORP16 citations84
US6999446B2Feb 14, 2006
Adaptive, multi-rate waveform and frame structure for a synchronous, DS-CDMA system
L 3 COMM CORP15 citations83
US7359639B2Apr 15, 2008
Airborne free space optical communication apparatus and method with subcarrier multiplexing
L 3 COMM CORP10 citations82
US7701996B1Apr 20, 2010
Methods and apparatus implementing short and long code channel overlay for fast acquistion of long PN codes in spread spectrum communications systems
L 3 COMM CORP10 citations81
US7313196B1Dec 25, 2007
Method and system for baseband amplitude limiting
L 3 COMM CORP10 citations80
US7609749B1Oct 27, 2009
Method and apparatus for generating non-recursive variable rate orthogonal spreading codes
L 3 COMM CORP6 citations63
US7369606B1May 6, 2008
Phase error detector using I/Q interference cancellation
L 3 COMM CORP3 citations63
US7526010B1Apr 28, 2009
Doped multi-rate spread spectrum composite code
L 3 COMM CORP2 citations62
US7522653B2Apr 21, 2009
System and method for PN correlation and symbol synchronization
L 3 COMM CORP2 citations60