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

Content Provider	IEEE Xplore Digital Library
Author	Tzu-Hsien Sang Shou-Yi Shan
Copyright Year	2014
Description	Author affiliation: Dept. of Electron. Eng. & Inst. of Electron., Nat. Chiao Tung Univ., Hsinchu, Taiwan (Tzu-Hsien Sang; Shou-Yi Shan)
Abstract	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.
Starting Page	1
Ending Page	5
File Size	1972995
Page Count	5
File Format	PDF
ISBN	9786163618238
DOI	10.1109/APSIPA.2014.7041626
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-09
Publisher Place	Cambodia
Access Restriction	Subscribed
Rights Holder	Asia-Pacific Signal and Information Processing Ass
Subject Keyword	Base stations Alamouti coding Transmitters OFDM Estimation Receivers Multiple carrier frequency offset Parity check codes Decoding CoMP Inter-carrier interference
Content Type	Text
Resource Type	Article

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