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In this paper, a novel OFDM symbol timing recovery method, which is robust to doubly selective fading channels and carrier frequency offset, is proposed for the mobile terminals of CMMB system. The time slot timing synchronization is accomplished by using the inverse sliding correlation between the segmenting Sync sequences, which possess the inverse conjugate symmetry (ICS) characteristic. Furthermore,...
In this paper, the performance evaluation of the Mesh-based PHY of IEEE 802.16e standard (a.k.a Mobile WiMax) for above the sea propagation is presented. For a Mesh OFDM system, the independent bursts transmission among different communicating nodes compels the receiving nodes to perform frame locking using the preamble with size of only one OFDM symbol interval, short preamble length is used in favour...
In this paper we are interested in designing a robust timing synchronization algorithm for OFDM systems that utilize pilot-aided channel estimation. We first characterize the impact of timing errors on the performance of a pilot-aided OFDM system. We derive analytical expressions for average channel estimation error variance in the presence of timing errors in high delay spread fading environments...
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