NDLI: Tree-Based Reparameterization with Distributional Approximations for Reduced-Complexity MIMO Symbol Detection

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IEEE Transactions on Wireless Communications

IEEE Transactions on Wireless Communications

A Computationally Efficient Joint Channel Estimation and Data Detection for SIMO Systems

On Throughput Performance of Channel Inequality in IEEE 802.11 WLANs

Optimal Training Sequences for Cyclic-Prefix-Based Single-Carrier Multi-Antenna Systems with Space-Time Block-Coding

Statistical Multimode Transmit Antenna Selection for Limited Feedback MIMO Systems

Block Diagonalized Vector Perturbation for Multiuser MIMO Systems

Achievable Rates and Fairness in Rateless Coded Relaying Schemes

Performance of TDMA and SDMA based Opportunistic Beamforming

Do We Really Need OSTBCs for Free-Space Optical Communication with Direct Detection?

A Novel Pulse Designed to Jointly Optimize Symbol Timing Estimation Performance and the Mean Squared Error of Recovered Data

Adaptive Modulation Based on Finite-Rate Feedback in Broadcast Channels

A Full-Diversity Blind Channel Estimation and Equalization over Fast Time-Varying ISI Fading Channels

Distributed Space-Time Continuous Phase Modulation Code Design

A Non-differential Distributed Space-Time Coding for Partially-Coherent Cooperative Communication

On the Ergodic Capacity of Wireless Relaying Systems over Rayleigh Fading Channels

A Modified Opportunistic Beamforming for Time-Correlated Fading Channels

Tight Approximation of the Bit Error Rate for BICM(-ID) Assuming Imperfect CSI

On the ML Decoding of Quasi-Orthogonal Space-Time Block Codes via Sphere Decoding and Exhaustive Search

Performance Analysis of MIMO System with Linear MMSE Receiver

Low Complexity Adaptive Turbo Frequency-Domain Channel Estimation for Single-Carrier Multi-User Detection

Coordination in a Multi-Cell Multi-Antenna Multi-User W-CDMA System: A Beamforming Approach

Modeling the Energy Consumption of Reed-Solomon Decoding with Interleaving on Fading Channels

Semi-Blind Adaptive Spatial Equalization for MIMO Systems with High-Order QAM Signalling

Transmitted-Reference Impulse Radio Systems Based on Selective Combining

Buffering in a Three-Node Relay Network

Coherent and Differential ICI Cancellation for Mobile OFDM with Application to DVB-H

Maximum Likelihood Multiple Access Timing Synchronization for UWB Communications

Data Detection with Imperfect CSI using Averaged Likelihood Function

Soft Combination and Detection for Cooperative Spectrum Sensing in Cognitive Radio Networks

Jointly Optimal Signature Sequences and Power Allocation for CDMA Systems

A Distributed Downlink Scheduling Method for Multi-user Communication with Zero-Forcing Beamforming

The Effects of Ordering Criteria in Linear Successive Interference Cancellation in CDMA Systems

Using Parasitic Elements for Implementing the Rotating Antenna for MIMO Receivers

On the Spectral Efficiency of CDMA Downlink Cellular Mobile Networks

Resource Allocation for OFDMA System with Orthogonal Relay using Rateless Code

Progressive Accumulative Routing: Fundamental Concepts and Protocol

TAMMAC: An Adaptive Multi-Channel MAC Protocol for MANETs

Limited-Feedback Precoding for Closed-Loop Multiuser MIMO OFDM Systems with Frequency Offsets

Downlink Transmission of Broadband OFCDM Systems-Part V: Code Assignment

Cooperative resource allocation games in shared networks: symmetric and asymmetric fair bargaining models

LDPC Code Design for Half-Duplex Cooperative Relay

Improved Capacity and Grade-of-Service in 802.11-Type Cell with Frequency Binning

On the Study of Network Coded AF Transmission Protocol for Wireless Multiple Access Channels

Joint Channel State Based Random Access and Adaptive Modulation in Wireless LANs with Multi-Packet Reception

A Measurement-Based Fading Model for Wireless Personal Area Networks

On the Impact of Dynamic Spectrum Sharing Techniques on Legacy Radio Systems

Optimizing Joint Erasure- and Error-Correction Coding for Wireless Packet Transmissions

Performance Analysis and Multi-Stage Iterative Receiver Design for Concatenated Space- Frequency Block Coding Schemes

MAC/PHY Cross-Layer Design of MIMO Ad Hoc Networks with Layered Multiuser Detection

A Game-Theoretic Approach for Exploiting Multiuser Diversity in Cooperative Slotted Aloha

On the Performance of Spectrally-Encoded Spread-Time Ultrawideband CDMA Communication Systems

Threshold Selection for SNR-based Selective Digital Relaying in Cooperative Wireless Networks

Tree-Based Reparameterization with Distributional Approximations for Reduced-Complexity MIMO Symbol Detection

Bounds on Maximum Rate-Per-Energy for Orthogonal AWGN Multiple-Relay Channels

Coverage Analysis for IEEE 802.16e/WiMAX Systems

Optimum-Weighted RLS Channel Estimation for Rapid Fading MIMO Channels

On the Performance of Distributed Polling Service-based Medium Access Control

Optimal Distributed Stochastic Routing Algorithms for Wireless Multihop Networks

Capacity and Error Performance of Reduced-Rank Transmitter Multiuser Preprocessing Based on Minimum Power Distortionless Response

Market-Equilibrium, Competitive, and Cooperative Pricing for Spectrum Sharing in Cognitive Radio Networks: Analysis and Comparison

Robust Ultra-Wideband Signal Acquisition

Adaptive Optimization of an Iterative Multiuser Detector for Turbo-Coded CDMA

Spatial Capacity of Narrowband vs. Ultra-wideband Cognitive Radio Systems

Joint Maximum Likelihood Estimation of Channel and Preamble Sequence for WiMAX Systems

Joint Power and Channel Resource Allocation for Two-User Orthogonal Amplify-and-Forward Cooperation

Sum Capacity Optimality of Orthogonal Transmissions in Vector Gaussian Multiple Access Channels

Rician Modeling and Prediction for Wireless Packet Data Systems

A Refined Channel Estimation Method for STBC/OFDM Systems in High-Mobility Wireless Channels

Feasibility and Power Control for Linear Multiuser Receivers in CDMA Networks

Transmission Schemes for Multicarrier Broadcast and Unicast Hybrid Systems

Optimal and Suboptimal Power Allocation Schemes for OFDM-based Cognitive Radio Systems

Resource Management in IEEE 802.11 Multiple Access Networks with Price-based Service Provisioning

Joint Twofold-Iterative Channel Estimation and Multiuser Detection for MIMO-OFDM Systems

Synchronization, Channel Estimation, and Equalization in MB-OFDM Systems

Information Theoretic Approach to Detecting Systematic Node Destructions in Wireless Sensor Networks

Reduced Complexity Interpolation for List Decoding Hermitian Codes

Design of an Adaptive MIMO System using Linear Dispersion Code

Fast Iterative Maximum-Likelihood Algorithm (FIMLA) for Multipath Mitigation in the Next Generation of GNSS Receivers

Distributed Space-Frequency Coding over Broadband Relay Channels

Channel Allocation for UMTS Multimedia Broadcasting and Multicasting

Practical Considerations on Channel Estimation for Up-Link MC-CDMA Systems

General Selection Criteria for Mobile Location in NLoS Situations

Generalized BICM for Block Fading Channels

Differentiated Surveillance for Static and Random Mobile Sensor Networks

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Tree-Based Reparameterization with Distributional Approximations for Reduced-Complexity MIMO Symbol Detection

Content Provider	IEEE Xplore Digital Library
Author	Vithanage, C.M. Soler-Garrido, J. Andrieu, C. Piechocki, R.J.
Copyright Year	2002
Abstract	Detection of spatially multiplexed data transmissions subject to frequency flat fading is considered. Optimal decoders require knowledge of the marginal posterior distributions of the transmitted symbols, but their exact computation is not feasible for practical systems. Hence sub-optimal approaches are generally sought. By recasting this problem into the graphical model framework, we investigate here a recently proposed suboptimal approach which relies on a tree-based reparameterization principle. For quasi-static fading channels, the resulting decoder complexity has an order which is at most quadratic in the number of transmit antennas. However, in its standard form, the algorithm often fails to converge, severely restricting its practical usability. We here develop a novel methodology to ensure systematic convergence of the algorithm in this communication scenario at the expense of the introduction of a minimal bias on the computation of the symbol marginal posterior probabilities. This bias is quantified theoretically and its innocuity for the problem at hand is ultimately demonstrated through numerical simulations. For a system using 16-QAM modulation with four transmit and receive antennas, the proposed detector achieves a bit-error rate of 10^-4 requiring only 3 dB greater SNR than the optimal method.
File Size	385663
File Format	PDF
ISSN	15361276
Volume Number	7
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Fading Decoding Data communication Frequency Distributed computing Graphical models Tree graphs Transmitting antennas Usability Digital communication, decoding, fading channels, MIMO systems, signal detection
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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