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Conference Paper Performance Analysis of Synchronization Signals for Efficient D2D Communications in Unlicensed Band
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Authors
Hyungjin Kim, Sungcheol Chang, Jaemin Ahn
Issue Date
2014-02
Citation
International Conference on Green and Human Information Technology (ICGHIT) 2014, pp.299-300
Language
English
Type
Conference Paper
Abstract
This paper considers operation with fixed and sectionized frame structure to support a large number of devices and power saving. Supporting a large number of devices is achieved by high spectral efficiency and low signaling overhead and power saving is achieved by sleep and wake up at the predefined time. Fixed frame structure requires synchronization function. Synchronization signals must be sent at predefined time. Centralized synchronization scheme and fully distributed scheme are two synchronization methods in D2D communication without operator control. In this paper, we considered fully distributed synchronization scheme. All devices operating in unlicensed band must consider coexistence. To send synchronization signal at predefined time without collision avoidance with heterogeneous network devices such as Wi-Fi, synchronization signals must be sent by low power to minimize interference. In this paper, we describe the synchronization signals used for fixed frame structure and analysis the performance of synchronization signals for the unlicensed band D2D communication with interference of heterogeneous networks.
KSP Keywords
D2D communication, Distributed schemes, Distributed synchronization, Frame structure, Fully distributed, High spectral efficiency, Low-Power, Network devices, Performance analysis, Spectral efficiency(SE), Synchronization function