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A simple joint estimation method of residual frequency offset and sampling frequency offset for DVB systems
- Authors
- Kwon, Ki-Won; Cho, Yongsoo
- Issue Date
- May-2008
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- OFDM; digital video broadcasting; residual frequency offset; sampling frequency offset; continual pilot
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E91B, no.5, pp 1673 - 1676
- Pages
- 4
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E91B
- Number
- 5
- Start Page
- 1673
- End Page
- 1676
- ISSN
- 0916-8516
1745-1345
- Abstract
- This letter presents a simple joint estimation method for residual frequency offset (RFO) and sampling frequency offset (STO) in OFDM-based digital video broadcasting (DVB) systems. The proposed method selects a continual pilot (CP) subset from an unsymmetrically and non-uniformly distributed CP set to obtain an unbiased estimator. Simulation results show that the proposed method using a properly selected CP subset is unbiased and performs robustly.
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