An Analysis of TDoA Effect for OFDMA-Based Wireless Mesh Networks

In this paper, the effect of time difference of arrival (TDoA) is investigated for distributed nodes in OFDMA-based wireless mesh networks (WMNs). In order to minimize the interferences caused by TDoA in WMNs, the optimal starting point of the FFT window at the receiver side of a node is derived by...

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Hauptverfasser:	Chang Hwan Park, Hyun Il Yoo, Yeong Jun Kim, Dong Seung Kwon, Yong Soo Cho
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Frequency domain analysis Interference Peer to peer computing Signal detection Signal to noise ratio Wireless mesh networks Wireless networks
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creator	Chang Hwan Park Hyun Il Yoo Yeong Jun Kim Dong Seung Kwon Yong Soo Cho
description	In this paper, the effect of time difference of arrival (TDoA) is investigated for distributed nodes in OFDMA-based wireless mesh networks (WMNs). In order to minimize the interferences caused by TDoA in WMNs, the optimal starting point of the FFT window at the receiver side of a node is derived by maximizing the effective SINR for each subcarrier. Also, a signal detection technique, called two dimensional ordered successive interference cancellation (TD-OSIC), is proposed for WMNs with TDoAs. It was shown via simulation that the proposed technique can achieve effective SINR and BER performances similar to the ideal case (no TDoA), even in WMNs with large TDoAs.
doi_str_mv	10.1109/icc.2011.5963057
format	Conference Proceeding
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subjects	Frequency domain analysis Interference Peer to peer computing Signal detection Signal to noise ratio Wireless mesh networks Wireless networks
title	An Analysis of TDoA Effect for OFDMA-Based Wireless Mesh Networks
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