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Showing results 761 to 780 of 827
  On the Complexity of Sphere Decoding in Digital Communications; Ottersten, Björn  in IEEE Transactions on Signal Processing (2005), 53 Detailed reference viewed: 67 (0 UL)When will smart antennas be ready for the market? Part II - results; ; et al in IEEE Signal Processing Magazine (2005), 22(6), 174176 Detailed reference viewed: 44 (0 UL)Array Interpolation and DOA MSE Reduction; ; Ottersten, Björn in IEEE Transactions on Signal Processing (2005), 53(12), 44644471 Detailed reference viewed: 70 (0 UL)Interference Robustness Aspects of Space-Time Block Code-Based Transmit Diversity; Ottersten, Björn in IEEE Transactions on Signal Processing (2005), 53(4), 12991309 Detailed reference viewed: 49 (0 UL)MIMO Channel Capacity and Modeling Issues on a Measured Indoor Radio Channel at 5.8 GHz; ; Ottersten, Björn et alin IEEE Transactions on Wireless Communications (2005), 4(3), 895903 Detailed reference viewed: 64 (0 UL)Minimum BER Linear Transceivers for MIMO Channels via Primal Decomposition; ; Ottersten, Björn in IEEE Transactions on Signal Processing (2005), 53(8), 28662882 Detailed reference viewed: 45 (0 UL)Design of channel estimate dependent space-time block codes; ; Ottersten, Björn in IEEE Transactions on Communications (2004), 52(7), 11911203 Detailed reference viewed: 64 (0 UL)A QoS-aware Proportional Fair Scheduler for Opportunistic OFDM; ; Ottersten, Björn in Proceedings IEEE Vehicular Technology Conference, Fall (2004) Detailed reference viewed: 59 (1 UL)Array Interpolation and Bias Reduction; ; Ottersten, Björn in IEEE Transactions on Signal Processing (2004), 52(10), 27112720 Detailed reference viewed: 59 (0 UL)Asymptotic Eigenvalue Distributions and Capacity for MIMO Channels under Correlated Fading; Ottersten, Björn in IEEE Transactions on Wireless Communications (2004), 3(4), 13501359 Detailed reference viewed: 49 (0 UL)Modeling of Wideband MIMO Radio Channels Based on NLOS Indoor Measurements; ; Ottersten, Björn et alin IEEE Transactions on Vehicular Technology (2004), 53(3), 655665 Detailed reference viewed: 48 (0 UL)Power Allocation and Bit Loading for Spatial Multiplexing in MIMO Systems; Ottersten, Björn in Proceedings IEEE International Conference on Acoustics, Speech, and Signal Processing (2003) The power assignment problem is important for Multiple-Input-Multiple-Output (MIMO) systems to achieve high capacity. Although this problem is solved by well-known water filling algorithms, this does not ... [more ▼] The power assignment problem is important for Multiple-Input-Multiple-Output (MIMO) systems to achieve high capacity. Although this problem is solved by well-known water filling algorithms, this does not provide an optimal solution if the system is constrained to a fixed raw bit error rate threshold and to discrete modulation s. In this work an approximate approach, called QoS based WF, is proposed to solve the power assignment problem with such constrains. It is shown to outperform quantization of the conventional water filling solution and a well known bit loading algorithm (Chow's algorithm) used in the Digital Subscriber Lines (DSL). [less ▲] Detailed reference viewed: 48 (0 UL)Semidefinite Programming for Detection in Linear Systems - Optimality Conditions and Space-Time Decoding; ; Ottersten, Björn in IEEE International Conference on Acoustics Speech and Signal Processing (2003) Optimal maximum likelihood detection of finite alphabet symbols in general requires time consuming exhaustive search methods. The computational complexity of such techniques is exponential in the size of ... [more ▼] Optimal maximum likelihood detection of finite alphabet symbols in general requires time consuming exhaustive search methods. The computational complexity of such techniques is exponential in the size of the problem and for large problems sub-optimal algorithms are required. In this paper, to find a solution in polynomial time, a semidefinite programming approach is taken to estimate binary symbols in a general linear system. A condition under which the proposed method provides optimal solutions is derived. As an application, the proposed algorithm is used as a decoder for a linear space-time block coding system and the results are illustrated with numerical examples. [less ▲] Detailed reference viewed: 48 (0 UL)Combining Beamforming with Orthogonal Space-Time Block Coding; ; Ottersten, Björn in IEEE Transactions on Information Theory (2002), 48 Detailed reference viewed: 36 (0 UL)Structured Semi-Blind Interference Rejection in Dispersive Multichannel Systems; Ottersten, Björn in IEEE Transactions on Signal Processing (2002), 50(8), 20272036 Detailed reference viewed: 44 (0 UL)Models for MIMO Propagation Channels, A Review; Ottersten, Björn in Wireless Communications & Mobile Computing (2002), 2(7), 653666 Detailed reference viewed: 57 (0 UL)Further Results and Insights on Subspace Based Sinusoidal Frequency Estimation; ; Ottersten, Björn in IEEE Transactions on Signal Processing (2001), 49(12), 29622974 Detailed reference viewed: 41 (0 UL)Chirp Parameter Estimation from a Sample Covariance Matrix; Ottersten, Björn in IEEE Transactions on Signal Processing (2001) Detailed reference viewed: 42 (0 UL)A Generalization of Weighted Subspace Fitting to Full Rank Models; Ottersten, Björn in IEEE Transactions on Signal Processing (2001), 49(5), 10021012 Detailed reference viewed: 44 (0 UL)Optimal and Suboptimal Transmit Beamforming; Ottersten, Björn in Godara, Lal C. (Ed.) Handbook of Antennas in Wireless Communications (2001) Detailed reference viewed: 265 (6 UL) |
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