Title :
On-the-move high-capacity trunk radio: laboratory simulation
Author :
Prettie, Clifford W. ; Procopio, Victor J. ; Barnett, William T.
Author_Institution :
Appl. Signal Technol. Inc., Sunnyvale, CA, USA
Abstract :
This paper describes laboratory measurements made in support of the US Army Communications-Electronics Command (CECOM) on-the-move high-capacity trunk radio research and development program. The measurements assess the demodulator performance in a multipath environment and dynamic adaptive equalization as a mitigation technique for microwave broadband wireless links with data rates up to 156 Mbps. Modulation schemes range from QPSK to 256 QAM. Channel simulators are used to generate a wide range of multipath delays. Adaptive dynamic equalization, with the number of equalizer taps ranging from none to 128, is used to reduce intersymbol interference (ISI) caused by multipath
Keywords :
adaptive equalisers; broadband networks; delays; demodulators; digital radio; interference suppression; intersymbol interference; land mobile radio; microwave links; microwave propagation; military communication; multipath channels; quadrature amplitude modulation; quadrature phase shift keying; 156 Mbit/s; 256 QAM; 4 to 10 GHz; CECOM; Communications-Electronics Command; ISI reduction; QPSK; SHF; US Army; channel simulators; data rates; demodulator performance; digital radio performance; dynamic adaptive equalization; equalizer taps; intersymbol interference; laboratory measurements; laboratory simulation; microwave broadband wireless links; mitigation technique; modulation; multipath delays; multipath environment; on-the-move high-capacity trunk radio; research and development program; Adaptive equalizers; Demodulation; Intersymbol interference; Laboratories; Microwave communication; Microwave measurements; Microwave theory and techniques; Quadrature amplitude modulation; Quadrature phase shift keying; Research and development;
Conference_Titel :
MILCOM 97 Proceedings
Conference_Location :
Monterey, CA
Print_ISBN :
0-7803-4249-6
DOI :
10.1109/MILCOM.1997.645017
