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TD-SCDMA, which is the "homemade" 3G standard in China, has received considerable attention and is believed to play a critical role in the development of China's mobile communication. Meanwhile, advanced MIMO and OFDM techniques shed light on the feasibility of high-performance 4G broadband systems. We discuss an evolutionary path of TD-SCDMA toward 4G systems in this article, which combines...
In this paper, an uplink channel estimation scheme based on subspace filter is proposed for B3G CDM-OFDMA systems. This algorithm utilizes the slow varying multi-path delay sub-space to decrease the noise of LS estimation It requires fewer pilot sub-carriers than other algorithms and is practical because of its low complexity. So this scheme is very suitable for B3G system uplink since there are too...
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