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- Title
Variance Based OFDM Frame Synchronization.
- Authors
Fedra, Zbyněk; Dimitrijević, Bojan; Milošević, Nenad; Antíc, Dragan; Nikolić, Zorica
- Abstract
The paper deals with a new frame synchronization scheme for OFDM systems and calculates the complexity of this scheme. The scheme is based on computing of the detection window variance. The variance is computed in two delayed times, so a modified Early-Late loop is used for the frame position detection. The proposed algorithm deals with different variants" of OFDM parameters including guard interval, cyclic prefix, and has good properties regarding the choice of the algorithm's parameters since the parameters may be chosen within a wide range without having a high influence on system performance. The verification of the proposed algorithm functionality has been performed on a development environment using universal software radio peripheral (USRP) hardware.
- Subjects
ORTHOGONAL frequency division multiplexing; ANALYSIS of variance; FRAME synchronization; COMPUTATIONAL complexity; TIME delay systems; ALGORITHMS; COMPUTER input-output equipment; COMPUTER software; PERFORMANCE evaluation
- Publication
Radioengineering, 2012, Vol 21, Issue 1, p408
- ISSN
1210-2512
- Publication type
Article