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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Li Guotong Jiang Yibo Qiu Peiliang |
| Copyright Year | 1998 |
| Description | Author affiliation: Dept. of Inf. & Electron. Eng., Zhejiang Univ., Hangzhou, China (Li Guotong) |
| Abstract | This paper studies the performance of a noniterative subspace tracking algorithm in mobile CDMA, including mismatch loss, convergence speed and system capacity. The array response vector of the uplink channel can be estimated by computing the principal eigenvector of data covariance matrix, which can be decomposed into an one-dimension signal subspace and multiple-dimension noise subspace. By averaging the noise subspace, we convert the principal eigenvector update into a 2/spl times/2 eigen problem, which largely reduces the computation complexity. Simulation results show that real-time tracking for the mobile users can be implemented, and the SNR loss due to estimation error is less than 0.5 dB. |
| File Size | 363588 |
| File Format | |
| ISBN | 7800908275 |
| DOI | 10.1109/ICCT.1998.743400 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1998-10-22 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Covariance matrix Iterative algorithms Filtering Multiaccess communication Antenna arrays Performance loss Convergence Computational modeling Adaptive arrays Fading |
| Content Type | Text |
| Resource Type | Article |
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