- Benny Vejlgaard, Ghosh, Amitava, Du Lei, Rapeepat Ratasuk, User Equipment Access-Based Machine to Machine Communication Mechanism , 2013P01502WOUS
- Rapeepat Ratasuk, Amitava Ghosh, Benny Vejlgaard, Method for Interference Management and Mitigation for LTE-M, United States Patent Application 20150264703
- Stefan Fechtel, Christian Rom, Benny Vejlgaard. Channel estimation for OFDM systems. Filing date: Nov 28, 2007 Issued patent: US8031787 (Issue date Oct 4, 2011).
- Benny Niels Vejlgaard, System for and method of detecting a connection of a text telephony (TTY) , Filing date: Sep 20, 2001, Patent number: 7151820, Issue date: Dec 19, 2006
- Thomas Klingenbrunn, Lichung Chu, Antoine J. Rouphael, Benny Vejlgaard Tap-selectable viterbi equalizer. Filing date: Nov 21, 2001 Issued patent: US7558343 (Issue date Jul 7, 2009).
- Antoine J. Rouphael, Benny Vejlgaard, Thomas Klingenbrunn, Lichung Chu, Multilevel decision feedback equalizer. Filing date: Jan 22, 2002, Issued patent: US7092438 (Issue date Aug 15, 2006)
- Lichung Chu, Thomas Klingenbrunn, Benny Vejlgaard, Antoine J. Rouphael. Arrangement for dynamic DC offset compensation. Filing date: Aug 19, 2002 Issued patent: US7190740 (Issue date Mar 13, 2007).
- Lichung Chu, Thomas Klingenbrunn, Benny Vejlgaard, Antoine J. Rouphael, Tap-selectable reduced state sequence estimator. Filing date: Nov 21, 2001, Issued patent: US6751775 (Issue date Jun 15, 2004)
- Benny Vejlgaard, Method for estimation of an impulse response of a signal transmission. Filing date: Sep 13, 1999, Patent number: 6603749, Issue date: Aug 5, 2003
- Benny Vejlgaard,, Jasper Knudsen, A method and device for channel estimation in a mobile communication system, particularly in a mobile phone. Filing date: October 7, 1999, Issued patent: EP1091533 B1 (issue date October 4, 2006)
- Antoine J. Rouphael, Benny Vejlgaard, Thomas Klingenbrunn, Lichung Chu, Arrangement for adaptive baseband filter selection. Filing date: Jun 14, 2002, Issued patent: US7039093 (Issue date May 2, 2006)
- Benny Vejlgaard, Jasper Knudsen, Adaptive filtering for mobile communication system. Filing date: May 14, 1999, Issued patent EP1052784 B1 (Issus date August 30, 2006)
- Benny Vejlgaard, Method for estimation of an impulse response of a signal transmission channel and mobile station. Filing date: October 29, 1998, Issued patent EP0998054 B1 (Issued date Jauary 23, 2002)
- Benny Vejlgaard, Receiver for a communication device for a multi-path radio channel. Filing date: May 12, 2000, Issued patent: EP1154585 B1 (Issued date February 28 2008)
- Benny Vejlgaard, Jasper Knudsen, Mobile station employing directional antennas. Filing date: September 18, 1998. Issued patent: EP0987838 B1 (Issued date December 22, 2004)