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A Synchronization Protocol for OFDM-Based Asynchronous Access Networks
Sanghoon LEE
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.9
pp.2638-2640 Publication Date: 2006/09/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.9.2638 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: synchronization, asynchronous access networks, GPS, OFDM,
Full Text: PDF(386KB)>>
Summary:
To generate multiple orthogonal carriers in an OFDM (Orthogonal Frequency Division Multiplexing) symbol, an FFT (Fast Fourier Transform) and IFFT (Inverse FFT) pair is utilized at the transmitter and the receiver, respectively. Thus, it may be difficult for an MN (Mobile Node) to reconstruct signals received from several BSs (Base Stations), when single FFT module is used. Moreover, when a GPS (Global Position System) is not supported, ICI (Inter Carrier Interference) may occur over multi-cell environments. This paper introduces a synchronization protocol for OFDM-based asynchronous networks that do not use GPS. The network protocol is designed to perform the plug & access radio configuration for next generation networks.
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