Title :
BER of differentially detected π/4 DQPSK in the presence of quadrature gain imbalance
Author :
Scarpa, M. ; Vogel, J. ; Stonick, J. ; Kiaei, S.
Author_Institution :
Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA
Abstract :
The effect of circuit level distortions on system level performance is becoming an important issue in optimizing the design of low power receivers. Circuit level distortions that can be largely ignored in full power designs, must be accounted for in the link budget of low power systems. In this paper, we present an analysis that demonstrates and quantifies the effect of one such distortion. We present a closed form expression for the BER of differentially detected π/4 DQPSK in the presence of AWGN and distorted by a quadrature gain imbalance in the receiver
Keywords :
AWGN channels; differential detection; differential phase shift keying; electric distortion; land mobile radio; quadrature phase shift keying; radio receivers; AWGN; BER; circuit level distortions; design; differentially detected π/4 DQPSK; link budget; low power receivers; low power systems; optimization; quadrature gain imbalance; system level performance; AWGN; Additive white noise; Baseband; Bit error rate; Circuits; Costs; Energy consumption; Phase detection; RF signals; Radio frequency;
Conference_Titel :
Wireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-5668-3
DOI :
10.1109/WCNC.1999.797815
