Subblock channel estimation for MIMO OFDM systems based on angle domain slepian basis
Subblock channel estimation for MIMO OFDM systems based on angle domain slepian basis
- Author(s): Fang Yong ; Zhou Xiaoping ; Xu Yelei
- DOI: 10.1049/cp.2009.1903
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- Author(s): Fang Yong ; Zhou Xiaoping ; Xu Yelei Source: IET International Communication Conference on Wireless Mobile & Computing (CCWMC 2009), 2009 p. 113 – 116
- Conference: IET International Communication Conference on Wireless Mobile & Computing (CCWMC 2009)
- DOI: 10.1049/cp.2009.1903
- ISBN: 978 1 84919 138 8
- Location: Shanghai, China
- Conference date: 7-9 Dec. 2009
- Format: PDF
A subblock-wise channel estimation scheme based on angle domain discrete prolate spheroidal basis expansion model (ADDPS-BEM) is proposed for MIMO OFDM systems with doubly-selective channel. An ADDPS-BEM is used to track the channel of doubly-selective and spatially correlated. Time-multiplexed trainings are used to measure delay Doppler channel. The relatively ADDPS coefficients are estimated by the subblock-wise tracking algorithm. Simulation results show that the proposed algorithm can effectively improve the channel estimation performance.
Inspec keywords: Doppler shift; MIMO communication; channel estimation; OFDM modulation
Subjects: Radio links and equipment; Communication channel equalisation and identification; Modulation and coding methods
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