Burst synchronization for OFDM-based cellular systems with separate signaling channel
- 27 November 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 2 (10903038) , 758-762
- https://doi.org/10.1109/vetec.1998.683683
Abstract
A novel burst synchronization scheme suitable for a high rate OFDM/TDMA/TDD (pico)cellular system with a centralized dynamic slot allocation MAC protocol is presented. The physical layer may have an optional low-rate separate signaling channel (SSC) used in the standby mode and implemented on a subset of OFDM subcarriers. A one-shot feedforward synchronization concept for the OFDM-based active transmission mode is designed using the functionality of the SSC and a special periodical OFDM preamble. Joint symbol and frequency synchronization as well as channel estimation can be achieved simultaneously. The synchronizer features low complexity and low processing delay. Simulations verify its robust operation for indoor channel power delay profiles at 5 GHz.This publication has 7 references indexed in Scilit:
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