Synchronization Sequence Design for FBMC/OQAM Systems

Wonsuk Chung, Chanhong Kim, Sooyong Choi, Daesik Hong

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In this paper, we propose a new sequence generation methodology to make a constant amplitude zero autocorrelation (CAZAC) preamble available in offset Quadrature Amplitude Modulation-based filter bank multicarrier (FBMC) synchronization. The role of the new sequence is to compensate the filtering and symbol overlap of the FBMC structure so as to finally be able to make a CAZAC preamble in time domain. To derive the new sequence, we formulate a symbol overlap model that shows the relation between the new sequence and a CAZAC preamble. On the other hand, the offset modulation format is a constraint that needs to be considered in the design of the new sequence. By using a property of this offset modulation constraint, we derive a closed-form expression of the new sequence from the symbol overlap model. In addition, we extend an advanced model to create a pseudo-CAZAC preamble that is not data-dependent, thus enabling convenience of implementation. Simulation results show the superiority of the proposed model with respect to synchronization accuracy, out-of-band radiation, and peak to average power ratio. Moreover, we verify that the proposed model is well-suited for use in the cellular environment through complexity and resource efficiency comparisons.

Original languageEnglish
Article number7536640
Pages (from-to)7199-7211
Number of pages13
JournalIEEE Transactions on Wireless Communications
Volume15
Issue number10
DOIs
Publication statusPublished - 2016 Oct 1

Fingerprint

Multicarrier
Filter Banks
Filter banks
Synchronization
Autocorrelation
Overlap
Zero
Modulation
Quadrature amplitude modulation
Quadrature Amplitude Modulation
Peak-to-average Power Ratio (PAPR)
Model
Dependent Data
Design
Time Domain
Closed-form
Radiation
Filtering
Verify
Resources

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

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Synchronization Sequence Design for FBMC/OQAM Systems. / Chung, Wonsuk; Kim, Chanhong; Choi, Sooyong; Hong, Daesik.

In: IEEE Transactions on Wireless Communications, Vol. 15, No. 10, 7536640, 01.10.2016, p. 7199-7211.

Research output: Contribution to journalArticle

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