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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Li Ying Zhang Yang Wei Jibo |
| Copyright Year | 2006 |
| Description | Author affiliation: Nat. Univ. of Defense Technol., Changsha (Li Ying) |
| Abstract | Recently, the interpolation-based QR decomposition has been proposed in order to efficiently reduce the complexity of V-BLAST OFDM signal detection algorithm. However, it can't be directly applied to the case of different ordered matrices, which is common in most of the detection algorithms. To solve this problem, a low complexity ordering interpolation-based QR decomposition algorithm for V-BLAST OFDM systems with two transmit antennas is presented. The proposed algorithm combines the group ordering with interpolation-based QR decomposition by introducing the relationship of QR decomposition between different column ordered matrices. The algorithm can be regarded as a pre-processing method for those V-BLAST OFDM signal detection methods which apply successive interference cancellation or sphere decoding algorithm. Compared with the directly extended method of interpolation-based QR decomposition, the proposed algorithm achieves more saved cost with the increasing of the number of receive antennas, which makes it more suitable for the design of base station receivers |
| Starting Page | 366 |
| Ending Page | 369 |
| File Size | 5065784 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780395867 |
| DOI | 10.1109/ITST.2006.288914 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-06-21 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Algorithm design and analysis Costs detection V-BLAST (Vertical Bell-Lab's layered space time) OFDM (Orthogonal frequency division multiplexing) OFDM Transmitting antennas Decoding Matrix decomposition Interference cancellation Receiving antennas interpolation-based QR decomposition Detection algorithms Signal detection |
| Content Type | Text |
| Resource Type | Article |
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