Detection of cooperative OFDM signals in time-varying channels with partial whitening of intercarrier interference

Wang, Hai-wei; Lin, Dekang; Sang, Tzu-Hsien

doi:10.1109/pimrc.2013.6666365

2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) 2013

DOI: 10.1109/pimrc.2013.6666365

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Detection of cooperative OFDM signals in time-varying channels with partial whitening of intercarrier interference

Hai-wei Wang

Dekang Lin

Tzu-Hsien Sang

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2014

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A transmission method to combat multiple carrier frequency offsets (MCFOS) in coordinated multiple point (COMP) schemes

Sang

Shan

2014

Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific

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In CoMP, two or multiple transmitters are coordinated to establish links with users. For example, a pair of coordinated base stations can transmit Alamouti-coded data, which has two streams, with one base station being responsible for one stream. When multiple carrier frequency offsets exist, the performance of Alamouti-type schemes in CoMP degrades seriously. MCFOs can exist when transmitters are not synchronized on the level of carrier generation, or can exist when the data streams face different Doppler situations caused by the movement of the users. Many works have been devoted to solving MCFOs for Alamouti-type signaling or space multiplexing. These techniques focus on the receiver algorithms, yet they work with limited success and usually are costly in implementation. We propose a transmission method which can facilitate a simple receiver to combat MCFOs. The receiver mainly uses a parallel ICI canceller to mitigate the effect of ICI. Simulation results of a system consisting of two cooperative transmitters with LDPC as the outer code are provided to illustrate our arguments.Index Terms-CoMP, multiple carrier frequency offset, Inter-carrier interference, Alamouti coding 978-616-361-823-8

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A transmission method to combat multiple carrier frequency offsets (MCFOS) in coordinated multiple point (COMP) schemes

Sang

Shan

2014

Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific

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show abstract

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Detection of cooperative OFDM signals in time-varying channels with partial whitening of intercarrier interference

Cited by 1 publication

References 15 publications

A transmission method to combat multiple carrier frequency offsets (MCFOS) in coordinated multiple point (COMP) schemes

A transmission method to combat multiple carrier frequency offsets (MCFOS) in coordinated multiple point (COMP) schemes

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