Modular Architecture for Efficient Generation and Correlation of Complementary Set of Sequences

Marziani, Carlos De; Ureña, J.; Hernández, Álvaro; Mazo, Manuel; Álvarez, F.; Garcı́a, J.J.; Donato, Patricio G.

doi:10.1109/tsp.2006.890931

Cited by 69 publications

(57 citation statements)

References 17 publications

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“…To reduce the complexity of computing such a large number of correlations, DVB-T2 adopted a series of complementary sets of sequences (CSS) [15]. These correlations may be determined with the aid of efficient correlators specifically designed for CSS [16]. However, the total computational complexity of the signaling detection remains high due to the specific design of the P1 symbol, which will be further discussed in Section IV.…”

Section: Detection Of the P1 Symbolmentioning

confidence: 99%

Preamble Design Using Embedded Signaling for OFDM Broadcast Systems Based on Reduced-Complexity Distance Detection

Wang

Yang

et al. 2011

IEEE Trans. Veh. Technol.

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Abstract-The second-generation digital terrestrial television broadcasting standard 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, to appropriately configure the receiver for carrying out the subsequent processing. In this paper, 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 signaling. At the receiver, only a low-complexity correlator is required for the detection of the signaling. Both the coarse carrier frequency offset and the signaling can simultaneously be estimated by detecting the aforementioned correlation. Compared with the standardized 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 better signaling performance than the standardized P1 symbol despite reducing the numbers of multiplications and additions by about 40% and 20%, respectively.Index Terms-Orthogonal frequency-division multiplexing (OFDM), preamble, second-generation digital terrestrial television broadcasting standard (DVB-T2), transmission parameter signaling (TPS).

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Section: Detection Of the P1 Symbolmentioning

confidence: 99%

Preamble Design Using Embedded Signaling for OFDM Broadcast Systems Based on Reduced-Complexity Distance Detection

Wang

Yang

et al. 2011

IEEE Trans. Veh. Technol.

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“…In addition, several efficient generations and correlations are also developed for PCSS [24][25][26][27][28]. The authors of [29,30] have proposed efficient calculation of fast Fourier transform (FFT) of ZC sequence.…”

Section: Introductionmentioning

confidence: 99%

Joint timing synchronization and channel estimation based on ZCZ sequence set in SC-MIMO-FDE system

Wang

Sun

et al. 2016

J Wireless Com Network

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In this paper, we investigate the channel estimation and time synchronization problem based on the zero correlation zone (ZCZ) sequence set for single carrier multiple-input multiple-output frequency domain equalization (SC-MIMO-FDE). A factorized construction of ZCZ sequence set considering the properties of both ZCZ and nonzero correlation zone (NCZ) is proposed with efficient generator and correlator, which can be in favor of timing synchronization and channel estimation both in performance and computation complexity. Using the ZCZ sequence set, a new algorithm called twice section-maximum algorithm is put forward to eliminate energy interference among channels from different transmitting antennas to the same receiving antenna. The performance achieved by the developed algorithm which performs joint timing synchronization and channel estimation with lower computational cost is better than that of the conventional method.

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“…. , M ), which is in accordance with the last correlation stage [2,5]. In the correlation process, each set is detected when the seed of the last correlator stage is equal to that corresponding to a particular set.…”

mentioning

confidence: 99%

“…This correlator performs the correlation of the N 2 1 stages on a simultaneous basis for all the sets, and replicates the last stage for each orthogonal set. In spite of this, this architecture requires fewer operations than [5] and [4], and can be improved as demonstrated below. Proposal: The generation of several MOCSS starts from a series of primitive sets; each one differs from the others in a single seed value.…”

mentioning

confidence: 99%

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Efficient simultaneous correlation of M mutually orthogonal complementary sets of sequences

et al. 2011

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Modular Architecture for Efficient Generation and Correlation of Complementary Set of Sequences

Cited by 69 publications

References 17 publications

Preamble Design Using Embedded Signaling for OFDM Broadcast Systems Based on Reduced-Complexity Distance Detection

Preamble Design Using Embedded Signaling for OFDM Broadcast Systems Based on Reduced-Complexity Distance Detection

Joint timing synchronization and channel estimation based on ZCZ sequence set in SC-MIMO-FDE system

Efficient simultaneous correlation of M mutually orthogonal complementary sets of sequences

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