Search Results - "Piechocki, R.J"

Gaussian approximation based mixture reduction for near optimum detection in MIMO systems by Yugang Jia, Andrieu, C., Piechocki, R.J., Sandell, M.

“…The optimal "soft" symbol detection for spatial multiplexing multiple input multiple output (MIMO) system with known channel information requires knowledge of…”
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Depth-First and Breadth-First Search Based Multilevel SGA Algorithms for Near Optimal Symbol Detection in MIMO Systems by Yugang Jia, Andrieu, C., Piechocki, R.J., Sandell, M.

“…The multilevel structure of the N-QAM modulation constellations is exploited to significantly reduce the complexity of the sequential Gaussian approximation…”
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Novel Reduced-State BCJR Algorithms by Vithanage, C.M., Andrieu, C., Piechocki, R.J.

“…BCJR algorithm is an exact and efficient algorithm to compute the marginal posterior distributions of state variables and pairs of consecutive state variables…”
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A channel estimation algorithm for MIMO-SCFDE by Jiun Siew, Coon, J., Piechocki, R.J., Dowler, A., Nix, A., Beach, M., Armour, S., McGeehan, J.

“…This letter proposes a novel method for channel estimation in a single-carrier multiple input-multiple output (MIMO) system with frequency-domain…”
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Gaussian Approximation Based Mixture Reduction for Joint Channel Estimation and Detection in MIMO Systems by Jia Yugang, Andrieu, C., Piechocki, R.J., Sandell, M.

“…A novel Gaussian approximation based mixture reduction algorithm is proposed for semi-blind joint channel tracking and symbol detection for spatial…”
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Approximate inference in hidden Markov models using iterative active state selection by Vithanage, C.M., Andrieu, C., Piechocki, R.J.

“…The inferential task of computing the marginal posterior probability mass functions of state variables and pairs of consecutive state variables of a hidden…”
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A new stochastic spatio-temporal propagation model (SSTPM) for mobile communications with antenna arrays by Piechocki, R.J., McGeehan, J.P., Tsoulos, G.V.

“…In order to evaluate the performance of third-generation mobile communication systems, radio channel models are required. The models should be capable of…”
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Low-complexity smart antenna methods for third-generation W-CDMA systems by Tsoulos, G.V., Athanasiadou, G.E., Piechocki, R.J.

“…There is still an open debate within the research community regarding the likely performance enhancement of smart antennas versus their complexity for…”
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Tree-Based Reparameterization with Distributional Approximations for Reduced-Complexity MIMO Symbol Detection by Vithanage, C. M., Soler-Garrido, J., Andrieu, C., Piechocki, R. J.

“…Detection of spatially multiplexed data transmissions subject to frequency flat fading is considered. Optimal decoders require knowledge of the marginal…”
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Expanding Window Fountain Codes for Unequal Error Protection by Sejdinovic, D., Vukobratovic, D., Doufexi, A., Senk, V., Piechocki, R.J.

“…A novel approach to provide unequal error protection (UEP) using rateless codes over erasure channels, named Expanding Window Fountain (EWF) codes, is…”
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Beam Alignment for Millimetre Wave Links with Motion Prediction of Autonomous Vehicles by Mavromatis, I, Tassi, A, Piechocki, RJ, Nix, A

“…Intelligent Transportation Systems (ITSs) require ultra-low end-to-end delays and multi-gigabit-per-second data transmission. Millimetre Waves (mmWaves)…”
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The Throughput Analysis of Different IR-HARQ Schemes Based on Fountain Codes by Sejdinovic, D., Ponnampalam, V., Piechocki, R.J., Doufexi, A.

“…In this contribution, we construct two novel IR-HARQ (automatic repeat request) schemes based on fountain codes, which combine the punctured and rateless…”
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Fountain Coding with Decoder Side Information by Sejdinovic, D., Piechocki, R.J., Doufexi, A., Ismail, M.

“…In this contribution, we consider the application of digital fountain (DF) codes to the problem of data transmission when side information is available at the…”
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MIMO detection in analog VLSI by Soler-Garrido, J., Piechocki, R.J., Maharatna, K., McNamara, D.

“…In this paper we propose an analog VLSI approach to maximum a posteriori (MAP) detection in multiple-input multiple-output (MIMO) systems. This detector can be…”
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AND-OR tree analysis of distributed LT codes by Sejdinovic, D., Piechocki, R.J., Doufexi, A.

“…In this contribution, we consider design of distributed LT codes, i.e., independent rateless encodings of multiple sources which communicate to a common relay,…”
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SGA based symbol detection and EM channel estimation for MIMO systems by Yugang Jia, Andrieu, C., Piechocki, R.J., Sandell, M.

“…This paper investigates iterative channel estimation and symbol detection for spatial multiplexing multiple input multiple output (MIMO) systems with frequency…”
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Performance of the EP-MBCJR algorithm in time dispersive MIMO office environments by Vithanage, C.M., Andrieu, C., Piechocki, R.J., Coon, J.P.

“…This work investigates the performance of a new reduced-complexity trellis decoding algorithm (termed the EP-MBCJR algorithm) when employed for the task of…”
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A bootstrap multi-user detector for CDMA based on Tikhonov regularization by Kasparis, C., Piechocki, R.J., Fletcher, P.N., Nix, A.R.

“…A novel multi-user detection (MUD) technique for CDMA systems is introduced. The new method is well suited for cases in which the code cross correlation matrix…”
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Joint blind and semi-blind detection and channel estimation for space-time trellis coded systems by Piechocki, R.J., Andrieu, C., Nix, A.R., McGeehan, J.P.

“…The paper considers a multiple-input multiple-output (MIMO) communication system, which uses space-time trellis coding (STTC). A novel method of decoding STTC…”
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Semi-blind identification of wideband MIMO channels via stochastic sampling by Andrieu, C., Piechocki, R.J., McGeehan, J.P., Armour, S.M.

“…In this paper we address the problem of wide-band multiple-input multiple-output (MIMO) channel (multidimensional time invariant FIR filter) identification…”
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