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- Nikola Vucic, Holger Boche, Shuying Shi
- IEEE Transactions on Signal Processing
- 2009

We study robust transceiver optimization in a downlink, multiuser, wireless system, where the transmitter and the receivers are equipped with antenna arrays. The robustness is defined with respect to imperfect knowledge of the channel at the transmitter. The errors in the channel state information are assumed to be bounded, and certain quality-of-service… (More)

- Shuying Shi, Martin Schubert, Holger Boche
- IEEE Transactions on Signal Processing
- 2008

This paper focuses on linear transceiver design for rate optimization in multiuser Gaussian multple-input multiple-output (MIMO) systems. We focus on two design criteria: 1) maximizing the weighted sum rate subject to a total power constraint; 2) maximizing the minimum user rate subject to a total power constraint. For these problems, new power allocation… (More)

- Shuying Shi, Martin Schubert, Holger Boche
- IEEE Transactions on Signal Processing
- 2007

We address the problem of minimum mean square error (MMSE) transceiver design for point-to-multipoint transmission in multiuser multiple-input-multiple-output (MIMO) systems. We focus on the problem of minimizing the downlink sum-MSE under a sum power constraint. It is shown that this problem can be solved efficiently by exploiting a duality between the… (More)

- Shuying Shi, Martin Schubert
- ICASSP
- 2005

- Shuying Shi, Martin Schubert, Holger Boche
- IEEE Transactions on Signal Processing
- 2008

We study the problem of mean square error (MSE) transceiver design for point-to-multipoint transmission in multiuser multiple-input-multiple-output (MIMO) systems. We focus on four optimization problems: minimizing the maximum weighted layer-wise or user-wise MSE under a total power constraint; minimizing the total transmit power subject to a set of… (More)

- Shuying Shi, Martin Schubert, Nikola Vucic, Holger Boche
- ICC
- 2008

- Nikola Vucic, Shuying Shi, Martin Schubert
- 8th International Symposium on Modeling and…
- 2010

We consider the problem of sum rate maximization with joint resource allocation and interference mitigation by multiantenna processing in wireless networks. The denominators in the users' signal-to-interference-plus-noise expressions are assumed to be representable in the form of matrix-based, concave interference functions. It is shown that the problem of… (More)

- Kristoffer Eriksson, Shuying Shi, Nikola Vucic, Martin Schubert, Erik G. Larsson
- GLOBECOM
- 2010

We establish a general optimization framework for joint resource allocation and interference mitigation. By utilizing axiomatic interference functions, our problem formulation is very general and includes many problems as special cases. We consider the sum rate maximization problem, which is known to be NP hard. It is shown that due to the structural model… (More)

- Nikola Vucic, Holger Boche, Shuying Shi
- ICC
- 2008

The problem of transceiver optimization in multiuser multiple-input multiple-output downlink wireless systems is considered. The base station is assumed to possess only estimated, erroneous values of channel coefficients. The exact channels lie in uncertainty regions, specified by the Frobenius norms of the error matrices. An iterative optimization of the… (More)

- Shuying Shi, Martin Schubert, Holger Boche
- 2007 41st Annual Conference on Information…
- 2007

This paper focuses on transceiver design for sum-rate optimization in multiuser MIMO systems with linear processing. Two design criteria are considered: one is to maximize the weighted sum-rate under a total power constraint and the other one is to minimize the total transmit power with a sum-rate requirement. We propose iterative algorithms, which perform… (More)