Thomas Kuhwald
Rohde & Schwarz
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Featured researches published by Thomas Kuhwald.
military communications conference | 2006
Thomas Nicolay; Thomas Kuhwald; Andrew Schaefer; Thorben Detert; Torsten Langguth
Future military communications systems, on both national and international levels, will demand the capability of transmitting high data rates over self-organising ad-hoc networks. In the work presented in this paper we describe a high data rate signal in space (HDR-SiS) developed by Rohde & Schwarz, that enables the transmission of real time video, voice and data in a mobile ad-hoc network (MANET). The transmission scheme uses OFDM at bandwidths ranging from 1 MHz to 10 MHz in order to be adaptable to various national and international spectral usage requirements. OFDM has the advantage of a high spectral efficiency and, given an appropriate design, simple equalisation techniques can be used in order to deal with multi-path channel environments. Although OFDM is already used in many standards such as WLAN, WiMAX, DVB-T, these systems were designed for either stationary and/or indoor applications. The presented SiS is optimised for mobile operators with relative speeds up to several hundred kilometres per hour and multi-path delays corresponding to relative distances of around 15 km
Archive | 2008
Rubén Villarino-Villa; Thomas Kuhwald; Markus Freidhof
Archive | 2012
Thomas Kuhwald; Thomas Valten
Archive | 2010
Thomas Kuhwald; Johann Huber; Michael Reinhold; Wolfgang Herbordt; Markus Freidhof
Archive | 2007
Thomas Kuhwald; Florian Janku
Archive | 2012
Thomas Kuhwald; Thomas Valten
Archive | 2011
Wolfgang Herbordt; Thomas Kuhwald; Bernhard Nitsch; Friedrich Reich
Archive | 2007
Thomas Kuhwald; Johann Huber; Markus Freidhof
Archive | 2007
Thomas Kuhwald; Johann Huber; Markus Freidhof
Archive | 2007
Thomas Kuhwald; Kurt Schmidt