Joint Timing Synchronization Algorithm for OQPSK Real-time Multi-domain Measurement

摘要：

Based on real-time multi-domain signal analysis architecture for wideband Offset Quadrature Phase Shift Keying (OQPSK) communication, a novel high-precision joint timing synchronization algorithm for OQPSK real-time multi-domain analysis and specifications measurement is presented. The proposed two-step algorithm first adjusts the sample rate of input measured OQPSK signal to integer multiple of the symbol rate by the arbitrary ratio resampling algorithm based on polyphase filtering. Then, the feedforward joint phase and timing estimation algorithm for OQPSK, which is derived using maximum-likelihood (ML) arguments, is applied to remove the carrier phase offset and timing error simultaneously. Compared to the conventional Lagrange interpolator, the proposed algorithm has better out-of-band spectrum suppression performance. The simulation is made to prove the flexibility and high efficiency of the proposed algorithm.

作者: Qian Wang Xiao Yan Kaiyu Qin

作者单位: Institute of Astronautics & Aeronautics, University of Electronic Science and Technology of China, 6 School of Automation Engineering, University of Electronic Science and Technology of China, 610054,

会议类型: 国际会议

会议名称: 2010 International Conference on Communications,Circuits and Systems(2010年通信、电路与系统国际会议)

会议地点: 成都

会议语种:英文

页码: 388-392

在线出版日期: 2010-06-28（万方平台首次上网日期，不代表论文的发表时间）