Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Wu, CJ | en_US |
dc.contributor.author | Lin, DW | en_US |
dc.date.accessioned | 2014-12-08T15:25:18Z | - |
dc.date.available | 2014-12-08T15:25:18Z | - |
dc.date.issued | 2005 | en_US |
dc.identifier.isbn | 0-7803-8887-9 | en_US |
dc.identifier.issn | 1090-3038 | en_US |
dc.identifier.uri | http://hdl.handle.net/11536/17677 | - |
dc.description.abstract | In channel estimation for OFDM transmission over sparse channels, the time-domain approach requires estimation of much fewer parameters than the frequency-domain approach, but one needs to estimate both the delay and the gain of each path. We consider the time-domain approach and propose an algorithm that finds a set of delays under a certain criterion on the approximation error. More specifically, we obtain one additional path delay at a time, with each newly added term selected to reduce by the most amount the difference between a subspace spanned by the estimated delays and that perceived at the pilot subcarriers. The proposed method can handle non-sample-spaced path delays and it allows arbitrary, irregularly spaced pilot allocations. Simulation results show some of its operational characteristics and demonstrate its superiority over simple frequency-domain interpolation methods. | en_US |
dc.language.iso | en_US | en_US |
dc.title | Sparse channel estimation for OFDM transmission based on representative subspace fitting | en_US |
dc.type | Proceedings Paper | en_US |
dc.identifier.journal | VTC2005-SPRING: 2005 IEEE 61ST VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, PROCEEDINGS | en_US |
dc.citation.spage | 495 | en_US |
dc.citation.epage | 499 | en_US |
dc.contributor.department | 電子工程學系及電子研究所 | zh_TW |
dc.contributor.department | Department of Electronics Engineering and Institute of Electronics | en_US |
dc.identifier.wosnumber | WOS:000232179300104 | - |
Appears in Collections: | Conferences Paper |