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Preamble design using embedded signalling for OFDM broadcast systems based on reduced-complexity distance detection

Preamble design using embedded signalling for OFDM broadcast systems based on reduced-complexity distance detection
Preamble design using embedded signalling for OFDM broadcast systems based on reduced-complexity distance detection
The second generation digital terrestrial television broadcasting standard (DVB-T2) adopts the so-called P1 symbol as the preamble for initial synchronization. The P1 symbol also carries a number of basic transmission parameters, including the fast Fourier transform size and the single-input/single-output as well as multiple-input/single-output mode, in order to appropriately configure the receiver for carrying out the subsequent processing. In this contribution, an improved preamble design is proposed, where a pair of training sequences is inserted in the frequency domain and their distance is used for transmission parameter signalling. At the receiver, only a low-complexity correlator is required for the detection of the signalling. Both the coarse carrier frequency offset and the signalling can be simultaneously estimated by detecting the above-mentioned correlation. Compared to the standardised P1 symbol, the proposed preamble design significantly reduces the complexity of the receiver while retaining high robustness in frequency-selective fading channels. Furthermore, we demonstrate that the proposed preamble design achieves a better signalling performance than the standardised P1 symbol, despite reducing the numbers of multiplications and additions by about 40% and 20%, respectively.
0018-9545
1217-1222
He, Lifeng
eb0e5921-269a-400e-8355-fb9a26f4ed89
Wang, Zhaocheng
70339538-3970-4094-bcfc-1b5111dfd8b4
Yang, Fang
3e4dddaa-92db-4d88-aa61-8356d31e6c56
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
He, Lifeng
eb0e5921-269a-400e-8355-fb9a26f4ed89
Wang, Zhaocheng
70339538-3970-4094-bcfc-1b5111dfd8b4
Yang, Fang
3e4dddaa-92db-4d88-aa61-8356d31e6c56
Chen, Sheng
9310a111-f79a-48b8-98c7-383ca93cbb80
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

He, Lifeng, Wang, Zhaocheng, Yang, Fang, Chen, Sheng and Hanzo, Lajos (2011) Preamble design using embedded signalling for OFDM broadcast systems based on reduced-complexity distance detection. IEEE Transactions on Vehicular Technology, 60 (3), 1217-1222.

Record type: Article

Abstract

The second generation digital terrestrial television broadcasting standard (DVB-T2) adopts the so-called P1 symbol as the preamble for initial synchronization. The P1 symbol also carries a number of basic transmission parameters, including the fast Fourier transform size and the single-input/single-output as well as multiple-input/single-output mode, in order to appropriately configure the receiver for carrying out the subsequent processing. In this contribution, an improved preamble design is proposed, where a pair of training sequences is inserted in the frequency domain and their distance is used for transmission parameter signalling. At the receiver, only a low-complexity correlator is required for the detection of the signalling. Both the coarse carrier frequency offset and the signalling can be simultaneously estimated by detecting the above-mentioned correlation. Compared to the standardised P1 symbol, the proposed preamble design significantly reduces the complexity of the receiver while retaining high robustness in frequency-selective fading channels. Furthermore, we demonstrate that the proposed preamble design achieves a better signalling performance than the standardised P1 symbol, despite reducing the numbers of multiplications and additions by about 40% and 20%, respectively.

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More information

Published date: 3 March 2011
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 272073
URI: http://eprints.soton.ac.uk/id/eprint/272073
ISSN: 0018-9545
PURE UUID: 6d6c5958-4d27-4786-b622-05d084739dbe
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 01 Mar 2011 21:39
Last modified: 18 Mar 2024 02:34

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Contributors

Author: Lifeng He
Author: Zhaocheng Wang
Author: Fang Yang
Author: Sheng Chen
Author: Lajos Hanzo ORCID iD

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