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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kiessling, M. Speidel, J. Reinhardt, M. |
| Copyright Year | 2004 |
| Description | Author affiliation: Inst. of Telecommun., Stuttgart Univ., Germany (Kiessling, M.; Speidel, J.) |
| Abstract | It is well known that with the availability of statistical channel state information at the transmitter, the capacity-achieving transmission strategy is transmission on the long-term eigen-modes of the transmit correlation matrix with adequate power allocation. However, the optimum power allocation strategy is not known in general. Using recent analytical results on mean mutual information of MIMO channels with transmit as well as receive correlation, We study the behavior of the capacity-achieving power allocation strategy. To this end, we also make use of asymptotical results for a large number of transmit or receive antennas and the high as well as low SNR regime, which in certain cases allows for a closed-form analysis. Furthermore, we investigate two low complexity power allocation schemes, which are based on certain upper bounds on mean mutual information. |
| Starting Page | 79 |
| Ending Page | 86 |
| File Size | 526282 |
| Page Count | 8 |
| File Format | |
| ISBN | 0780383273 |
| DOI | 10.1109/WSA.2004.1407652 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2004-03-18 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fading Channel capacity Transmitters Transmitting antennas Receiving antennas Rayleigh channels MIMO Covariance matrix Channel state information Mutual information |
| Content Type | Text |
| Resource Type | Article |
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