Name
Abstract | ||
|---|---|---|
It is difficult to implement optimal beamforming for multi-user multiple-input multiple-output (MIMO) downlink due to the high complexity. This paper proposes a low complexity generalized beamforming (GBF) scheme combined with an efficient user selection to maximize the weighted sum-rate. For each user, the outputs of the multiple antennas are combined with a receive GBF vector to create an equivalent multiple-input single-output (MISO) effective channel. First, user selection and receive GBF vectors are jointly optimized to construct a group of preferable effective channels. Then, transmit GBF vectors are obtained by zero-forcing over these effective channels. Simulation results show significant gain over currently known suboptimal schemes in various scenarios. ©2008 IEEE. |
Year | DOI | Venue |
|---|---|---|
2008 | 10.1109/VETECF.2008.97 | IEEE Vehicular Technology Conference |
Keywords | DocType | Volume |
downlink,generalized beamforming,multi-user mimo systems,user selection,weighted sum-rate,indexing terms,zero forcing | Conference | null |
Issue | ISSN | ISBN |
null | null | 978-1-4244-1722-3 |
Citations | PageRank | References |
3 | 0.48 | 5 |
Authors | ||
3 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| An Liu | 1 | 500 | 46.79 |
| Luo Wu | 2 | 4 | 4.54 |
| Haige Xiang | 3 | 154 | 30.35 |