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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yi Xu Guosen Yue Prasad, N. Rangarajan, S. Mao, S. |
| Copyright Year | 2014 |
| Description | Author affiliation: NEC Labs. America Inc., Princeton, NJ, USA (Guosen Yue; Prasad, N.; Rangarajan, S.) || Dept. of Electr. & Comput. Eng., Auburn Univ., Auburn, AL, USA (Yi Xu; Mao, S.) |
| Abstract | In this paper, we consider the design of user grouping and scheduling for large-scale multiple-input multiple-output (MIMO) frequency-division-duplexing (FDD) systems. Based on a recently proposed two-stage precoding framework, we first propose an improved K-means user grouping scheme which allocates the users to different pre-beamforming groups using the second-order channel statistics, and then a user grouping scheme that considers both load balancing and precoding design. After user groups are so determined, we present a dynamic user scheduling scheme where second-stage precoding is designed based on instantaneous channel conditions. We demonstrate the efficacy of the proposed schemes through simulations. |
| Starting Page | 5197 |
| Ending Page | 5202 |
| File Size | 200530 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479920037 |
| DOI | 10.1109/ICC.2014.6884146 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-10 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | MIMO Interference Clustering algorithms Signal to noise ratio Approximation methods Correlation Throughput |
| Content Type | Text |
| Resource Type | Article |
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