Title :
Joint frequency offset and carrier phase estimation for the return channel for digital video broadcasting
Author :
Hong, Dae-Ki ; Kang, Sung-Jin
Author_Institution :
Wireless Network Res. Center, Korea Electron. Technol. Inst., SungNam-Si, South Korea
Abstract :
This paper investigates the design of joint frequency offset and carrier phase estimation of a multi-frequency time division multiple access (MF-TDMA) demodulator that is applied to a digital video broadcasting-return channel system via satellite (DVB-RCS). The proposed joint estimation algorithm is based on the interpolation technique for two correlation values in the frequency and phase domains. This simple interpolation technique can significantly improve frequency and phase resolution capabilities of the proposed technique without increasing the number of the correlation values. In addition, the overall block diagram of a digital communications receiver for DVB-RCS is presented, which was designed using the proposed estimation algorithms.
Keywords :
broadcast channels; channel estimation; correlation theory; demodulators; digital video broadcasting; frequency estimation; image resolution; interpolation; phase estimation; television receivers; time division multiple access; DVB; MF-TDMA; RCS; carrier phase estimation; correlation value; demodulator; digital communications receiver; digital video broadcasting; interpolation technique; joint frequency offset estimation; multifrequency time division multiple access; phase resolution; return channel system; Algorithm design and analysis; Demodulation; Digital communication; Digital video broadcasting; Frequency conversion; Frequency estimation; Interpolation; Phase estimation; Satellite broadcasting; Time division multiple access; Carrier phase estimation; DVB-RCS; MF-TDMA; frequency offset estimation; interpolation; joint estimation;
Journal_Title :
Broadcasting, IEEE Transactions on
DOI :
10.1109/TBC.2005.854171