yusuke1997/dblp-id-title huggingface dataset:
MME-EKF-Based Path-Tracking Control of Autonomous Vehicles Considering Input Saturation
Wireless Train Detection Based on Null-Filled UHF RFID Reader Antenna for Communications-Based Train Control
Zero-Energy Device Networks With Wireless-Powered RISs
Online Trajectory Optimization for Energy-Efficient Cellular-Connected UAVs With Map Reconstruction
DOA Estimation for Passive Radar Under the Scene Where Target Echo Is Partially Correlated
Log-Shifted Gamma Approximation to Lognormal Sum Distributions
Analysis of Indoor THz Communication Systems With Finite-Bit DACs and ADCs
Tap Loading of Subcarrier Equalizers for Wireless Multicarrier Transceivers
Massive Data Generation for Deep Learning-Aided Wireless Systems Using Meta Learning and Generative Adversarial Network
LOS Coverage Area in Vehicular Networks with Cox-Distributed Roadside Units and Relays
Cost-Effective Cache Deployment in Mobile Heterogeneous Networks
Turbo-Coded OFDM Transmission Over a Nonlinear Channel
Towards Massive MIMO Channel Emulation: Channel Accuracy Versus Implementation Resources
Continuous Phase Modulation of F-QPSK-B Signals
An FSO-Based Drone Charging System for Emergency Communications
Relay Selection for Cooperative Relaying Networks With Small Buffers
Exploiting Active Subareas for Multicopy Routing in VDTNs
Low-Cost Uplink Sparse Code Multiple Access for Spatial Modulation
Design of Pedestrian Target Selection With Funnel Map for Pedestrian AEB System
A Decision-Making Approach for Complex Unsignalized Intersection by Deep Reinforcement Learning
Online Traffic Flow Prediction for Edge Computing-Enhanced Autonomous and Connected Vehicles
Channel-Access-Aware User Association With Interference Coordination in Two-Tier Downlink Cellular Networks
Codeword Position Index Modulation Design for Sparse Code Multiple Access System
Multi-UAV Enabled Maritime Relay Communication and Service Content Migration
A Directional TDMA Protocol for High Throughput URLLC in mmWave Vehicular Networks
Optimal Placement of Reconfigurable Intelligent Surfaces for Spectrum Coexistence With Radars
BER Performance Analysis of Energy Harvesting Underlay Cooperative Cognitive Radio Network With Randomly Located Primary Users and Secondary Relays
Joint User Scheduling, Power Allocation, and Rate Control for MC-RSMA in URLLC Services
Simultaneous Estimation of Road Profile and Tire Road Friction for Automotive Vehicle
Joint Power Allocation and Beamforming for Overlaid Secrecy Transmissions in MIMO-OFDM Channels
Peak Power Properties of Band-Limited Signals: With Pulse Shaping or Windowing
Dynamic Interior Point Method for Vehicular Traffic Optimization
Energy-Efficient and Context-Aware Smartphone Sensor Employment
Novel Pattern-Diverse Millimeter-Wave Antenna With Broadband, High-Gain, Enhanced-Coverage for Energy-Efficient Unmanned Aerial Vehicle
Lightweight Mutual Authentication Protocol for V2G Using Physical Unclonable Function
Second Order Rectified Parallel Factor Model Based Cascaded Channel Estimation in IRS-Assisted SWIPT System
On the performance of wide-bandwidth signal acquisition in dense multipath channels
Distributed Optimal Control to Virtual Formation of Railway Trains With Dynamic Coupling/Decoupling: An Accelerated Projected Gradient Based Decomposition Method
Opportunistic Relaying and Jamming Based on Secrecy-Rate Maximization for Multiuser Buffer-Aided Relay Systems
Geographical Routing With Location Service in Intermittently Connected MANETs
Secure Transmission Design of RIS Enabled UAV Communication Networks Exploiting Deep Reinforcement Learning
Carrier-Phase-Based Multi-Vehicle Cooperative Positioning Using V2V Sensors
Intelligent Transportation Vehicle Road Collaboration and Task Scheduling Based on Deep Learning in Augmented Internet of Things
Distributed Data-Driven Model Predictive Control for Heterogeneous Vehicular Platoon With Uncertain Dynamics
Mitigating the Impact of Channel Aging in Cell-Free MIMO Systems Using a Channel Predictor Based on Extended Kalman Filter
Selection Combiner Output Distributions of Multivariate Equally-Correlated Generalized-Rician Fading for Any Degrees of Freedom
Minimum-Fuel Energy Management of a Hybrid Electric Vehicle via Iterative Linear Programming
Semiblind BLUE Channel Estimation With Applications to Digital Television
Dynamic Event-Triggered Path-Following Control of Underactuated Surface Vehicle With the Experiment Verification
Dynamic Online Trajectory Planning for a UAV-Enabled Data Collection System
Spectral-Efficient Cellular Communications With Coexistent One- and Two-Hop Transmissions
Spatial and Social Paradigms for Interference and Coverage Analysis in Underlay D2D Network
Reducing Greenhouse Effects via Fuel Consumption-Aware Variable Speed Limit (FC-VSL)
Joint Power Allocation and Beamforming for In-Band Full-Duplex Multi-Cell Multi-User Networks
Green TCP Transmission Over Cognitive Radio Networks
Analysis and Optimization of STAR-RIS-Assisted Proactive Eavesdropping With Statistical CSI
Fast Antijamming Timing Acquisition Using Multilayer Synchronization Sequence
Outage Probability of Cooperative Cognitive Networks Based on Distributed Orthogonal Space-Time Block Codes
Closed-Form Pricing in Multiuser Access Networks With Incomplete Information
Dynamic Scheduling of IoV Edge Cloud Service Functions Under NFV: A Multi-Agent Reinforcement Learning Approach
Sinusoidal-Based Multiple Access Scheme for Visible Light Decentralized Asynchronous Systems
Channel State Classification in Cognitive Small-Cell Networks With Multiple Transmission Powers
Current Collection Quality of High-Speed Rail Pantograph-Catenary Considering Geometry Deviation at 400 km/h and Above
Range-Angle Estimation Using FDA-MIMO Radar With Inter-Pulse Coding Modulation
DPB-MA: Low-Latency Message Authentication Scheme Based on Distributed Verification and Priority in Vehicular Ad Hoc Network
Robust Cooperative Secure Beamforming for Simultaneous Wireless Information and Power Transfer in Amplify-and-Forward Relay Networks
Active-RIS Enhances the Multi-User Rate of Multi-Carrier Communications
Adaptive Air-to-Ground Secure Communication System Based on ADS-B and Wide-Area Multilateration
Energy Efficiency Maximization for Full-Duplex UAV Secrecy Communication
A Location Privacy-Preserving System Based on Query Range Cover-Up or Location-Based Services
Power and Rate Control for Delay-Constrained Cognitive Radios Via Dynamic Programming
An LMS-based decision feedback equalizer for IS-136 receivers
A novel single base station location technique for microcellular wireless networks: description and validation by a deterministic propagation model
Maximal Lifetime Scheduling for Roadside Sensor Networks With Survivability k
Enhanced Channel Access for Connection State of Bluetooth Low Energy Networks
Soft-Switched Isolated Half-Bridge Converter With Phase Balanced Series Capacitor Current Doubler Rectifier for Automotive Battery-to-Load Power Delivery
Velocity Awareness in Vehicular Networks via Sparse Recovery
Blind Symbol Synchronization for OFDM Systems Using Cyclic Prefix in Time-Variant and Long-Echo Fading Channels
Active Fault Tolerance for Sensor Failures in Steer-by-Wire Systems via Multi-Model Adaptive Kalman Filter
Beam-Tracking Technique for IRS-Assisted mmWave Cellular Systems With Uniform Planar Array
Extending the Autonomy of a Battery for Electric Motorcycles
Access Points Planning in Urban Area for Data Dissemination to Drivers
Wireless Data Traffic Estimation Using a State-Space Model
Dynamic Resource Allocation for Virtualized Wireless Networks in Massive-MIMO-Aided and Fronthaul-Limited C-RAN
On the Performance of Cyclic-Prefixed Single-Carrier Cellular Systems in Cochannel Interference
Reverse link capacity analysis of a CDMA cellular system with mixed cell sizes
Resilience-Driven Quantitative Analysis of Vehicle Platooning Service
Minimization of PAPR for DFT-Spread OFDM With BPSK Symbols
QoS Provisioning Relay Selection in Random Relay Networks
Energy-Regenerative Semiactive Lateral Suspension Control in High-Speed Trains Using Electromagnetic Damper Cum Energy Harvester
Sharing It My Way: Efficient M2M Access in LTE/LTE-A Networks
Asynchronous Cooperative MIMO Systems Using a Linear Dispersion Structure
Motion Planning for Autonomous Grain Carts
CM-Based Blind Equalization of Time-Varying SIMO-FIR Channel With Single Pulsation Estimation
Affine-Projection Lorentzian Algorithm for Vehicle Hands-Free Echo Cancellation
Active Intelligent Reflecting Surface Assisted Covert Communications
Space-time channel estimation and performance analysis for wireless MIMO-OFDM systems with spatial correlation
Hybrid Beamforming for mmWave Massive MIMO Systems Using Conditional Generative Adversarial Networks
Auto-Calibration of Automotive Radars in Operational Mode Using Simultaneous Localisation and Mapping
Analyzing Effects of Directionality and Random Heights in Drone-Based mmWave Communication
Beam-Tracking Technique for Millimeter-Wave Cellular Systems Using Subarray Structures
Optimal Deployment and Operation of Robotic Aerial 6G Small Cells With Grasping End Effectors
Design and Evaluation of a Human-in-the-Loop Connected Cruise Control
Engine On/Off Control for Dimensioning Hybrid Electric Powertrains via Convex Optimization
Layered Space Shift Keying Modulation Over MIMO Channels
Space-Time Code Selection for Transmit Antenna Diversity Systems
A Joint Minimum Hop and Earliest Arrival Routing Algorithm for LEO Satellite Networks
Sum-Rate Maximization for Multiuser MIMO Wireless Powered Communication Networks
Delay Violation Probability and Effective Rate of Downlink NOMA Over α-μ Fading Channels
Optimization of Multimedia Progressive Transmission Over MIMO Channels
Traffic accident prediction using 3-D model-based vehicle tracking
Performance of DS-UWB multiple-access systems with diversity reception in dense multipath environments
Balanced Trustworthiness, Safety, and Privacy in Vehicle-to-Vehicle Communications
Convex Relaxation Approaches to Robust RSS-TOA Based Source Localization in NLOS Environments
PCF-Based LTE Wi-Fi Aggregation for Coordinating and Offloading the Cellular Traffic to D2D Network
Adaptive Cruise Control Algorithm for Persistence and Security of Distributed Heterogeneous Vehicle Platoon Based on Discrete-Time Control Barrier Function
On Reliable Communication Under Reactive Adversaries With Generalized Energy Detectors
LDPC Code Design for Fading Interference Channels
Statistical NLOS Identification Based on AOA, TOA, and Signal Strength
A Transmission-Actuated Energy-Management Strategy
Design of Low-Complexity DCMA Systems
Mobile Sensors Deployment Subject to Location Estimation Error
Time-Switching Energy Harvesting Communications: Harvesting Beneficialness and Performance Evaluation
Event-Triggered Adaptive NN Tracking Control for Nonlinear Systems With Asymmetric Time-Varying Output Constraints and Application to an AUVs
Exploiting Channel Fragmentation and Aggregation/Bonding to Create Security Vulnerabilities
Site-Specific Knowledge and Interference Measurement for Improving Frequency Allocations in Wireless Networks
Delay-Aware Load Balancing Over Multipath Wireless Networks
A Novel Ultra-Reliable Decoder of Short Rate-Compatible Codes for Mission Critical Communications
Achievable Rate Analysis for RIS-Aided Massive MIMO NOMA Systems With Statistical Composite Channel Knowledge
A Robust STBC-Based Transmit Diversity Scheme for OFDM Systems Over Spatially Transmit Correlated Fading Channels
Security of Park-Lim key agreement schemes for VSAT satellite communications
Jammer-Type Estimation in LTE With a Smart Jammer Repeated Game
Novel Memory Motor Drive with Integrated Winding Concept for Traction Applications
A New Hybrid Message Passing Algorithm for Joint User Activity Detection, Channel Estimation and Data Decoding in Grant-Free OFDM-IDMA
Reliable Adaptive Resource Management for Cognitive Cloud Vehicular Networks
Real-Time Implementation of Smart Wireless Charging of On-Demand Shuttle Service for Demand Charge Mitigation
Super-Resolution Channel Estimation for MmWave Massive MIMO With Hybrid Precoding
Optimal Beaconing Control for Epidemic Routing in Delay-Tolerant Networks
Energy-Efficient Water-Filling with Order Statistics
Efficiency comparison of channel allocation schemes for digital mobile communication networks
QoS-Aware Energy Harvesting Relaying Protocol for Multi-Rate SWIPT
Optimal Energy Cooperation Policy in Fusion Center-Based Sustainable Wireless Sensor Networks
Novel Coarse Timing Synchronization Methods in OFDM Systems Using Fourth-Order Statistics
Over-the-Air Data Aggregation Aided by Multi-Functional RIS in Internet of Robotic Things
A Novel Domain Transformation Based on Iterative Rotation for Linear Time-Variant Fading Channels
Radio Resource Management Scheme for Relieving Interference to MUEs in Relay-Based Cellular Networks
Codebook Size Design for RVQ-Based Tomlinson-Harashima Precoded MIMO Broadcast Channels
Recursive Pseudo-Bayesian Access Class Barring for M2M Communications in LTE Systems
Intra-Operator Customer Churn in Telecommunications: A Systematic Perspective
Joint Power Allocation and Task Replication for Reliability-Sensitive Services in NOMA-Enabled Vehicular Edge Computing
CANMatch: A Fully Automated Tool for CAN Bus Reverse Engineering Based on Frame Matching
Terrain-Adaptive Hierarchical Speed Planning Method for Off-Road Environments
A Novel Location Relay Selection Scheme for ALLIANCES
Cooperative Dynamic Positioning of Marine Surface Vehicles With Prescribed Performance: An Event-Triggered Fuzzy State Observer Design
Channel Estimation for Millimeter-Wave MIMO Communications With Lens Antenna Arrays
Energy-Efficient Matching for Resource Allocation in D2D Enabled Cellular Networks
A residue number system based parallel communication scheme using orthogonal signaling .I. System outline
Position and Velocity Tracking in Mobile Networks Using Particle and Kalman Filtering With Comparison
Simultaneous Localization of Scatterers and Target User Based on Indoor Prior Information in NLOS Environments
Transmit Processing Techniques Based on Switched Interleaving and Limited Feedback for Interference Mitigation in Multiantenna MC-CDMA Systems
Beamforming Design for Low-Power In-Band Wireless Backhaul Systems: Centralized and Distributed Approaches
Complementary Coded CDMA With Multi-Layer Quadrature Modulation
Interference-Driven Linear Precoding in Multiuser MISO Downlink Cognitive Radio Network
Embedded Pilot-Aided Channel Estimation for OTFS in Delay-Doppler Channels
Adaptive Antenna Arrays for Interference Cancellation in OFDM Communication Systems With Virtual Carriers
Optical Wireless for Intravehicle Communications: A Channel Viability Analysis
A Multi-Armed Bandit Framework for Efficient UAV-Based Cooperative Jamming Coverage
Power Allocation and Error Performance of Distributed Unitary Space-Time Modulation in Wireless Relay Networks
Performance Analysis of Location-Based Base Station Cooperation for Cellular-Connected UAV Networks
On the Performance Analysis of mmWave MIMO-NOMA Transmission Scheme
Minimizing Energy Consumption in Cell-Free Massive MIMO Networks
Sustainable Placement With Cost Minimization in Wireless Digital Twin Networks
Attention-Based Highway Safety Planner for Autonomous Driving via Deep Reinforcement Learning
Doppler-Spread Targets Detection for FMCW Radar Using Concurrent RDMs
Reducing Power Consumption for Autonomous Ground Vehicles via Resource Allocation Based on Road Segmentation in V2X-MEC With Resource Constraints
Completely Irrepressible Sequences for the Asynchronous Collision Channel Without Feedback
Vision-Based Personal Safety Messages (PSMs) Generation for Connected Vehicles
UAV-Assisted Cooperative Communications With Time-Sharing Information and Power Transfer
Rate-Splitting for CF Massive MIMO Systems With Channel Aging
Convexity Properties of Detection Probability for Noncoherent Detection of a Modulated Sinusoidal Carrier
On the Impacts of I/Q Imbalance in Analog Least Mean Square Adaptive Filter for Self-Interference Cancellation in Full-Duplex Radios
Secure and Privacy-Aware Cloud-Assisted Video Reporting Service in 5G-Enabled Vehicular Networks
Transmitter Selection for Secrecy in Frequency-Selective Fading With Multiple Eavesdroppers and Wireless Backhaul Links
Observer Based Adaptive Neural Networks Fault-Tolerant Control for Pneumatic Active Suspension With Vertical Constraint and Sensor Fault
Power Allocation for Multiple User-Type Massive MIMO Systems
On the analysis of peak-to-average ratio (PAR) for IS95 and CDMA2000 systems
Low-Emission Maximum-Efficiency Tracking of an Intelligent Bi-Fuel Hydrogen-Gasoline Generator for HEV Applications
REAL-SAP: Real-Time Evidence Aware Liable Safety Assessment for Perception in Autonomous Driving
Privacy-Preserving and Real-Time Detection of Vehicular Congestion Using Multilayer Perceptron Approach for Internet of Vehicles
Experimental Evaluation of IEEE 802.11p in High-Speed Trials for Safety-Related Applications
An Analytical Model for the Reverse Link of WCDMA Systems With Repeaters in Nonuniform Traffic Distributions
Resource Allocation for Cell-Free Massive MIMO-Enabled URLLC Downlink Systems
Cellular communications using aerial platforms
Energy-Efficient Cross-Layer Design of Wireless Mesh Networks for Content Sharing in Online Social Networks
Bayesian Optimization Enhanced Deep Reinforcement Learning for Trajectory Planning and Network Formation in Multi-UAV Networks
Integrated wireless access for videoconference from MPEG-4 and H.263 video coders with voice, E-mail, and web traffic
Wide-band SIMO 1×2 measurements and characterization of outdoor wireless channels at 1.9 GHz
A New Longitudinal Speed Control Method for Connected and Automated Vehicle Platooning Under the Influence of Communication Delay
Channel Estimation for Spatial Modulation Schemes in Spatially Correlated Time Varying Channels
A Partial Scattered Load Balancing Algorithm for LEO Mega-Constellation Networks
Frequency Synchronization With Beamforming Network Optimization for Uplink Massive MIMO Systems
Age-of-Information Minimization for UAV-Based Multi-View Sensing and Communication
A building-transmission model for improved propagation prediction in urban microcells
Hydraulic System Control for a Hybrid Continuously Variable Transmission Based on an Electric Oil Pump
Capacity-Based Parameter Optimization of Bit-Interleaved Coded CPM With Differential Detection
A Smart Cross-System Framework for Joint Allocation and Scheduling With Vehicle-to-Grid Regulation Service
Constant-Power Allocation With Average and Peak Power Constraints in Nakagami- Fading Channels
Adaptive Mode Selection in Multiuser MISO Cognitive Networks With Limited Cooperation and Feedback
Comments on "Performance of Two-Way Opportunistic Relaying With Analog Network Coding Over Nakagami-m Fading"
MPBC: A Mobility Prediction-Based Clustering Scheme for Ad Hoc Networks
Trading Optimality for Scalability in Large-Scale Opportunistic Routing
Multi-User Downlink With Reconfigurable Intelligent Metasurface Antennas (RIMSA) Array
Joint Azimuth, Elevation, and Delay Estimation for 3-D Indoor Localization
An MAP Method for Closed-Loop Channel Training in Massive MIMO Systems
Robust Utility Maximization and Admission Control for a MIMO Cognitive Radio Network
Space-Time Correlated Mobile-to-Mobile Channels: Modelling and Simulation
Pricing Game With Complete or Incomplete Information About Spectrum Inventories for Mobile Virtual Network Operators
Investigation on Interference Rejection Combining Receiver for Space-Frequency Block Code Transmit Diversity in LTE-Advanced Downlink
Outage Performance Analysis for Mutualistic Symbiotic Backscatter Communication Systems
Low-Resolution PSs Based Hybrid Precoding for Multiuser Communication Systems
Rate-Reliability-Delay Tradeoff of Multipath Transmission Using Network Coding
Asynchronous DS-SS CDMA random spreading code correlation statistics in the presence of timing error
Joint Resource Allocation in SWIPT-Based Multiantenna Decode-and-Forward Relay Networks
A new and efficient hybrid model for estimating space diversity in indoor environment
Trust-Based Shared Steering Control With Game Theory Using Event-Triggered ADP for Human-Vehicle Cooperative Driving
Transceiver Design for Interference MIMO Relay Systems With Direct Links
Efficiency Analysis of WiFi Offloading Techniques
Mitigating the Doubly Near-Far Effect in UAV-Enabled WPCN
Performance Evaluation of Heterogeneous IoT Nodes With Differentiated QoS in IEEE 802.11ah RAW Mechanism
Intelligent Recommendation-Based User Plane Handover With Enhanced TCP Throughput in Ultra-Dense Cellular Networks
Performance Analysis of Spectrum Sensing With Multiple Primary Users
The effect of automatic gain control on serial, matched-filter acquisition in direct-sequence packet radio communications
Aerodynamics-Based Collision-Free Control of Connected Drones in Complex Urban Low-Altitude Airspace Using Distributional Reinforcement Learning
Rate-Splitting Multiple Access-Based Cognitive Radio Network With ipSIC and CEEs
Geolocation Process to Perform the Electronic Toll Collection Using the ITS-G5 Technology
Quantized Trainable Compressed Sensing for MIMO CSI Feedback
Distributed Multistage Cooperative-Social-Multicast-Aided Content Dissemination in Random Mobile Networks
An Efficient Blockchain-Based Conditional Privacy-Preserving Authentication Protocol for VANETs
Enhancing Social Decision-Making of Autonomous Vehicles: A Mixed-Strategy Game Approach With Interaction Orientation Identification
Robust Matched-Filter Acquisition for Direct-Sequence Ultrawideband Systems
Performance of M-PSK with GSC and EGC with Gaussian weighting errors
DAGIoV: A Framework for Vehicle to Vehicle Communication Using Directed Acyclic Graph and Game Theory
Secure Long-Range Autonomous Valet Parking: A Reservation Scheme With Three-Factor Authentication and Key Agreement
Automotive Traction Inverters: Current Status and Future Trends
Reliability-Based Adaptive Distributed Classification in Wireless Sensor Networks
Intelligent Hybrid Vehicle Power Control - Part I: Machine Learning of Optimal Vehicle Power
Assignment of frequency lists in frequency hopping networks
Cognitive Coded Cooperation in Underlay Spectrum-Sharing Networks Under Interference Power Constraints
Mobility-Aware Relay Selection in 5G D2D Communication Using Stochastic Model
Mobile-Projected Trajectory Algorithm With Velocity-Change Detection for Predicting Residual Link Lifetime in MANET
Practical Multiuser Diversity With Outdated Channel Feedback
Call admission control for multiservice wireless networks with bandwidth asymmetry between uplink and downlink
Short-Term Traffic Prediction for Edge Computing-Enhanced Autonomous and Connected Cars
Window Function-Based Frequency Diverse Sub-Arrays for Randomized Radiation Enhancement
Experimental Characterization and Modeling of RF Jamming Attacks on VANETs
Compact Dual Microwave/Millimeter-Wave Planar Shared-Aperture Antenna for Vehicle-to-Vehicle/5G Communications
Deterministic Maximum Likelihood Algorithm for Sky-Ground Waves Recognition in ELoran Systems
Delay-Optimal Biased User Association in Heterogeneous Networks
Robust Observer Design for Mitigating the Impact of Unknown Disturbances on State of Charge Estimation of Lithium Iron Phosphate Batteries Using Fractional Calculus
Energy-Efficient Resource Allocation in OFDM Systems With Distributed Antennas
Energy-Efficient Massive MIMO SWIPT-Enabled Systems
Evaluation of Energy Storage System Requirements for Hybrid Mining Loaders
Multi-Agent Deep Reinforcement Learning Based Spectrum Allocation for D2D Underlay Communications
Consensus-Based Distributed Mixture Kalman Filter for Maneuvering Target Tracking in Wireless Sensor Networks
Optimal and Sub-Optimal Low Complexity Detectors for Enhanced Spatial Modulation
Parasitic Exploitation of Wi-Fi Signals for Indoor Radar Surveillance
Integrated Decision Making and Motion Control for Autonomous Emergency Avoidance Based on Driving Primitives Transition
Intelligent Beam Management Based on Deep Reinforcement Learning in High-Speed Railway Scenarios
Estimation of Fast-Fading Channels for Turbo Receivers With High-Order Modulation