A Random Access Scheme Robust to Timing Offsets for Uplink OFDMA Systems

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概要

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• If ranging processes are not frequent in an uplink OFDMA system, timing synchronization between the base and mobile stations may not be maintained and the performance may be degraded. This paper proposes a random access scheme in which a short OFDMA symbol is transmitted to maintain the orthogonality with timing offsets. A short symbol is constructed by inserting zero-padding to an OFDMA symbol.

著者

• RIM Minjoong

  Department of Information and Communication Engineering, Dongguk University

関連論文

• A Random Access Scheme Robust to Timing Offsets for Uplink OFDMA Systems
• Decision-Directed Channel Estimation for QAM-Modulated OFDM Systems
• A Random Access Scheme Robust to Timing Offsets for Uplink OFDMA Systems
• Gated-CDMA : Frequency-Domain Equalization for CDMA Systems(Wireless Communication Technologies)
• Relationships between Diversity Techniques and Channel Coding Rates for OFDM Systems

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