Title :
A kind of transmission employing ISI
Author :
Bai, Ziquan ; Liu, Tao ; Li, Daoben
Author_Institution :
Sch. of Inf. Eng., Beijing Univ. of Posts & Telecommun., China
Abstract :
In order to improve the transmission performance in intersymbol interference (ISI) channel, high rate lower-order modulation transmission employing ISI is studied and the error rate performance of lower-order modulation and higher-order modulation are compared. Since high rate lower-order modulation transmission employing ISI makes full use of the potential anti-jam capability of the system, the threshold signal to noise ratio is greatly decreased by more than 10 dB. Simulation results show that lower-order modulation transmission, which is interfered by ISI and employs sequence detection, obtain great performance gain according to higher-order modulation, which is not influenced of ISI and detected symbol by symbol.
Keywords :
jamming; matrix algebra; modulation; ISI channel; high rate lower-order modulation transmission; intersymbol interference; Binary phase shift keying; Convolution; Convolutional codes; Error analysis; Error probability; Intersymbol interference; Performance gain; Quadrature phase shift keying; Signal to noise ratio; Tin;
Conference_Titel :
Communications and Information Technology, 2005. ISCIT 2005. IEEE International Symposium on
Print_ISBN :
0-7803-9538-7
DOI :
10.1109/ISCIT.2005.1566800
