A digital timing recovery scheme for TDMA digital mobile radio

Author

Liu, Der-Zheng ; Wei, Che-Ho

Author_Institution

Dept. of Electron. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan

Volume

1

fYear

1996

fDate

12-15 May 1996

Firstpage

152

Abstract

In digital mobile communications, the received signal is not only interfered by the additive white Gaussian noise (AWGN), but also affected by the multipath fading effect. In this situation, regenerating the timing information from the faded signal is difficult. In TDMA digital cellular radio with π/4-DQPSK modulation (e.g. IS-54 system), a fast converging and stable timing recovery scheme is required because the synchronization sequence is usually very short. In this paper, we present a new nonlinear digital timing recovery scheme composed of Gardner´s timing error detector, digital loop filter and digital controlled oscillator (DCO)

Keywords

cellular radio; differential phase shift keying; digital radio; quadrature phase shift keying; time division multiple access; timing; π/4-DQPSK modulation; IS-54 system; TDMA digital mobile radio; additive white Gaussian noise; cellular radio; digital controlled oscillator; digital loop filter; mobile communications; multipath fading; nonlinear digital timing recovery; synchronization sequence; timing error detector; AWGN; Additive white noise; Digital modulation; Error correction; Fading; Land mobile radio; Land mobile radio cellular systems; Mobile communication; Time division multiple access; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 1996. ISCAS '96., Connecting the World., 1996 IEEE International Symposium on

Conference_Location

Atlanta, GA

Print_ISBN

0-7803-3073-0

Type

conf

DOI

10.1109/ISCAS.1996.539831

Filename

539831