Design of Amplify and Forward MIMO Relay Networks with QoS Constraint
In this paper, we design the optimal precoding matrices for amplify-and-forward (AF) multiple-input multipleoutput(MIMO) relay networks. Specifically, we consider a dualhop relay network and minimize the total power consumed bysource and relay under predetermined quality of service (QoS) constraints...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Conference Paper |
| Published: |
Institute of Electrical and Electronic Engineers
2010
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| Online Access: | http://hdl.handle.net/20.500.11937/47712 |
| _version_ | 1848757909025980416 |
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| author | Mohammadi, J. Gao, F. Rong, Yue |
| author2 | Haohong Wang |
| author_facet | Haohong Wang Mohammadi, J. Gao, F. Rong, Yue |
| author_sort | Mohammadi, J. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | In this paper, we design the optimal precoding matrices for amplify-and-forward (AF) multiple-input multipleoutput(MIMO) relay networks. Specifically, we consider a dualhop relay network and minimize the total power consumed bysource and relay under predetermined quality of service (QoS) constraints, i.e., mean square error (MSE) constraints. By using majorization theory, we simplify the matrix-valued problem into a scalar-valued one. Since the problem is non-convex, we then propose two convex suboptimal problems that provide the upper and lower bound of the original objectives. Numerical results demonstrate that the lower bound and the upper bound are tight in high signal-to-noise ratio (SNR). |
| first_indexed | 2025-11-14T09:35:35Z |
| format | Conference Paper |
| id | curtin-20.500.11937-47712 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:35:35Z |
| publishDate | 2010 |
| publisher | Institute of Electrical and Electronic Engineers |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-477122017-01-30T15:35:09Z Design of Amplify and Forward MIMO Relay Networks with QoS Constraint Mohammadi, J. Gao, F. Rong, Yue Haohong Wang In this paper, we design the optimal precoding matrices for amplify-and-forward (AF) multiple-input multipleoutput(MIMO) relay networks. Specifically, we consider a dualhop relay network and minimize the total power consumed bysource and relay under predetermined quality of service (QoS) constraints, i.e., mean square error (MSE) constraints. By using majorization theory, we simplify the matrix-valued problem into a scalar-valued one. Since the problem is non-convex, we then propose two convex suboptimal problems that provide the upper and lower bound of the original objectives. Numerical results demonstrate that the lower bound and the upper bound are tight in high signal-to-noise ratio (SNR). 2010 Conference Paper http://hdl.handle.net/20.500.11937/47712 Institute of Electrical and Electronic Engineers fulltext |
| spellingShingle | Mohammadi, J. Gao, F. Rong, Yue Design of Amplify and Forward MIMO Relay Networks with QoS Constraint |
| title | Design of Amplify and Forward MIMO Relay Networks with QoS Constraint |
| title_full | Design of Amplify and Forward MIMO Relay Networks with QoS Constraint |
| title_fullStr | Design of Amplify and Forward MIMO Relay Networks with QoS Constraint |
| title_full_unstemmed | Design of Amplify and Forward MIMO Relay Networks with QoS Constraint |
| title_short | Design of Amplify and Forward MIMO Relay Networks with QoS Constraint |
| title_sort | design of amplify and forward mimo relay networks with qos constraint |
| url | http://hdl.handle.net/20.500.11937/47712 |