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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Long Gao Gaur, S. Acharya, J. |
| Copyright Year | 2012 |
| Abstract | In this paper, we consider multiuser transmission in the downlink of a distributed antenna system with two types of users: i) the real-time users that require a minimum instantaneous rate and ii) the best-effort users that try to maximize their rates. We start with a two-user system consisting of one real-time user and one best-effort user, in which the optimal beamforming scheme is proposed to maximize the instantaneous rate of the best-effort user under the rate constraint of the real-time user and per-antenna-power constraint. Two suboptimal transmission schemes are then proposed to reduce the computational complexity and feedback overhead, respectively. Furthermore, we propose a round-robin based scheduler to extend the proposed schemes to a general multiuser system, such that the outage probability of the real-time users is minimized. System-level simulation results show that the proposed schemes have better performance than two reference schemes. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 275986 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781467309899 |
| ISSN | 15502252 |
| e-ISBN | 9781467309905 |
| e-ISBN | 9781467309882 |
| DOI | 10.1109/VETECS.2012.6240224 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-05-06 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Real time systems Array signal processing Interference Complexity theory Signal to noise ratio MIMO Transmitting antennas |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Electrical and Electronic Engineering Computer Science Applications |
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