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A novel cell search scheme based on coherent sequence detection and sign decision is proposed in this paper. The given structure of the SCH (synchronization channel) allows the UE (user equipment) to detect cell ID with low complexity, and the adverse effects of the channel fading and frequency offset are eliminated in the three search steps. The performance of the scheme is investigated in various...
Reliable video transmission over mobile wireless channels faces many challenges due to the time-varying multi-path fading. In this paper, a novel 3-D interleaving method, called Spatial Frequency Temporal Interleaving (SFTI), is proposed for video transmission over OFDM systems in this kind of channels. SFTI means the video data will be interleaved both at bit level in spatial domain, which can disperse...
A novel unequal error protection (UEP) scheme based on the hierarchical quadrature amplitude modulation (QAM) is proposed for H.264/AVC video transmission over frequency selective fading channels. In order to avoid the situation that data with higher priority in the H.264/AVC video streams to be mapped onto subcarriers in deep fading, an OFDM subcarrier classification strategy with two signal-to-noise...
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