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A Recursive ICI Cancellation Technique for Cooperative STBC-OFDM Systems with Carrier Frequency Offsets
- Issue Date
- Sep-2009
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- cooperative STBC; multiple CFO; OFDM; cooperative diversity
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E92B, no.9, pp 2972 - 2975
- Pages
- 4
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E92B
- Number
- 9
- Start Page
- 2972
- End Page
- 2975
- ISSN
- 0916-8516
1745-1345
- Abstract
- In this letter, a recursive ICI cancellation technique for cooperative space-time block coded orthogonal frequency division multiplexing (STBC-OFDM) systems is proposed to mitigate the intercarrier interference (ICI) caused by multiple carrier frequency offsets (CFOs) in cooperative transmission. The proposed technique is shown to mitigate the noise enhancement effect on the STBC-OFDM signals caused by multiple CFOs, and to be effective in reducing ICI especially when the system has a large FFT size and multiple CFOs.
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