Low-Complexity Detection of Integer Carrier Frequency Offset and Sidelink Identity for LTE-D2D Communications

This letter proposes a computationally efficient sequential estimation of integer carrier frequency offset (IFO) and sidelink identity (SID) in the long term evolution-device-to-device system. To detect the IFO without a priori knowledge on the SID information, the proposed detection method utilizes...

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Bibliographic Details
Published inIEEE wireless communications letters Vol. 8; no. 5; pp. 1477 - 1480
Main Authors You, Young-Hwan, Park, Jong-Hong, Ahn, Il-Yeup, Kim, Moo-Young
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 01.10.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Carrier frequencies
carrier frequency offset
Complexity
Computational complexity
Computer simulation
D2D communication
Device-to-device communication
Indexes
Integers
Long Term Evolution
OFDM
Synchronism
Synchronization
synchronization signal
Wireless communication
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Summary:This letter proposes a computationally efficient sequential estimation of integer carrier frequency offset (IFO) and sidelink identity (SID) in the long term evolution-device-to-device system. To detect the IFO without a priori knowledge on the SID information, the proposed detection method utilizes the conjugate property between two primary sidelink synchronization sequences. This design facilitates joint detection of the IFO and SID so that it can be detected sequentially. Simulation results indicate that the proposed sequential detection scheme has good performance and reduces computational complexity significantly compared to existing detection methods.
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ISSN:2162-2337
2162-2345
DOI:10.1109/LWC.2019.2922910