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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Di Su Chenyang Yang |
| Copyright Year | 2014 |
| Description | Author affiliation: Beihang Univ., Beijing, China (Di Su; Chenyang Yang) |
| Abstract | With the increase of cell density and explosive growth of data traffic, the design principle of next generation cellular networks is evolving towards user-centric. No matter where a user is located, its high demand in quality of service will always be guaranteed. To achieve such an ambitious goal, each user can select preferred base stations to transmit cooperatively. In this paper, we study user-centric downlink cooperative transmission with orthogonal beamforming based limited feedback, where the central unit (CU) selects multiple users with orthogonal beamformers quantized by per-cell codebooks. To assist the CU for user scheduling and adaptive transmission, a method for users to estimate its signal to noise and interference ratio is derived. To ensure the required rate of each user, a method for the user to select cooperative set is proposed. Simulation results show that the proposed scheme outperforms existing schemes both in data rate per-user and in throughput. |
| Starting Page | 2775 |
| Ending Page | 2780 |
| File Size | 230708 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479930838 |
| DOI | 10.1109/WCNC.2014.6952868 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-04-06 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Interference Signal to noise ratio Niobium Array signal processing Downlink Quality of service Estimation |
| Content Type | Text |
| Resource Type | Article |
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