Noncoherent Frame Synchronization

被引:32
作者
Chiani, Marco [1 ]
机构
[1] Univ Bologna, DEIS, WiLAB, I-47023 Cesena, Italy
关键词
Frame synchronization; PN code acquisition; sequence acquisition; detection; hypothesis testing; sync word; unique word; CDMA; SPECTRUM CODE ACQUISITION; UNIFIED APPROACH; OPTIMUM; PERFORMANCE;
D O I
10.1109/TCOMM.2010.05.090091
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
One of the key operations in communication systems is frame synchronization, which is similar in many aspects to code acquisition in the context of code division multiple access systems. We focus on frame synchronization for binary PSK signals in the presence of additive white Gaussian noise and phase offset due to imperfect carrier phase estimation. We derive optimum and low-complexity suboptimum synchronization techniques, showing large improvements with respect to frame synchronization based on noncoherent correlation. Extensions to higher order modulations and fading channels are also discussed.
引用
收藏
页码:1536 / 1545
页数:10
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