Title :
Unequal bit-error protection in coherent M-ary PSK
Author :
Lassing, Johan ; Ström, Erik G. ; Agrell, Erik ; Ottosson, Tony
Author_Institution :
Dept. of Signals & Syst., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
This paper addresses the problem of evaluating the bit-error probability of the individual bits of a symbol in a communication system using coherent M-ary phase shift keying. Exact expressions are provided, and these are evaluated for seven different mappings from bits to symbols, including five Gray mappings, for a 32-PSK system. It is shown that the highly varying error performance obtained with a common binary reflected Gray mapping can be restored by using a balanced Gray mapping.
Keywords :
AWGN channels; Gray codes; error statistics; phase shift keying; AWGN channel; BER; Gray code; PSK unequal bit-error protection; balanced Gray mapping; bit/symbol mapping; coherent M-ary PSK; common binary reflected Gray mapping; constellation labeling; phase shift keying; symbol bit-error probability; AWGN; Additive noise; Bit error rate; Detectors; Error correction codes; Error probability; Gaussian noise; Paper technology; Phase shift keying; Protection;
Conference_Titel :
Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th
Print_ISBN :
0-7803-7954-3
DOI :
10.1109/VETECF.2003.1285017
