Ranjit Gharpurey | Researchain

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asilomar conference on signals, systems and computers | 1997

A π/4-shift Qpsk Receiver For Tdma/tdd Systems

Srinath Hosur; Anand G. Dabak; Ranjit Gharpurey; Kannan Krishna; Panos Papmichalis; Texas Instrumentslncorporated

This paper proposes a n Mshij? QPSK receiver for microcellular TDMMDD systems. The receiver is suited for an all digital implementation. It assumes a coarse automatic gain-control (AGC), which is updated digitally. The receiver uses a new maximumlikelihood (ML) based scheme for fast synchronization in its all-digital timing recovery circuit. The proposed timing acquisition scheme is independent of the AGC setting and does not suffer from hangups..

asilomar conference on signals, systems and computers | 1997

A /spl pi//4-shift QPSK receiver for TDAMA/TDD systems

Srinath Hosur; Anand G. Dabak; Ranjit Gharpurey; K. Krishna; P. Paptnichalis

This paper proposes a /spl pi//4-shift QPSK receiver for microcellular TDMA/TDD systems. The receiver is suited for an all-digital implementation. It assumes a coarse automatic gain-control (AGC) which is updated digitally. The receiver uses a new maximum-likelihood (ML) based scheme for fast synchronization in its all-digital timing recovery circuit. The proposed timing acquisition scheme is independent of the AGC setting and does not suffer from hangups.

Archive | 2003