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M.Tech / M.E / PhD Thesis | Electronics & Communication Engineering | India | Volume 4 Issue 3, March 2015
MIMO Based Advanced Transmission in DVB-T2
K. Aparna [6] | R. Divya Bharathi
Abstract: In this paper, to estimate a Carrier Frequency Offsets in DVB-T2 a special preamble symbol named the P1 symbol was defined, which is kept at the beginning if every T2-frame. Thus, in order to obtain the estimates of multiple CFOs in DVB-T2, two transmitters should send P1 symbols (preambles) alternately in presence of two time slots. In other words it can be expressed as, transmitter one sends a symbol p1 and estimates its own carrier frequency offsets during the decoding process, while the other one is set as zero i. e. p1 symbol as null. However this decreases the levels of data rates and is also practically infeasible for application of current running systems. So, the demand and customer interest to combat multiple CFOs MIMO modes for DVB-T2 application. The proposed method is MIMO based DVB-T2 in which the comparison of MSE performance of joint ML estimator, where the P1 symbol is exploited as a pilot symbol with MISO system is considered.
Keywords: DVB-T2, MISO, Carrier frequency offsets, MIMO
Edition: Volume 4 Issue 3, March 2015,
Pages: 491 - 495
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