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| Content Provider | IET Digital Library |
|---|---|
| Author | Yu, X. Xu, J. Luo, Z. Chen, X. |
| Abstract | A sub-optimal precoding scheme for distributed antenna systems in a spatially correlated Rayleigh channel is developed by asymptotical analysis at low and high SNRs. A Newton's method based practical iterative algorithm is presented to find the power allocation coefficients in this scheme. Compared to the existing optimal scheme which requires multidimensional roots finding, the scheme developed in this reported work only needs one-dimensional root finding, and thus it has lower calculation complexity. Moreover, it can converge to the solution quickly, and obtain a performance close to a optimal scheme. Simulation results corroborate the effectiveness of the developed scheme. |
| Starting Page | 76 |
| Ending Page | 78 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 49 |
| e-ISSN | 1350911X |
| Issue Number | Issue 1, Jan (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/49/1 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2012.2971 |
| Journal | Electronics Letters |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Antenna Antenna Array Asymptotical Analysis Code Correlated Rayleigh Channel Distributed Antenna System Interpolation And Function Approximation Iterative Algorithm Multidimensional Root Finding Newton Method Numerical Analysis One-dimensional Root Finding Optimal Scheme Power Allocation Coefficient Precoding Radio Link And Equipment Rayleigh Channel Single Antenna SNR Suboptimal Precoding Scheme |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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