Erik Agrell
Visar 344 publikationer
Coded Modulation Schemes for Voronoi Constellations
Optimization and Identification of Lattice Quantizers
Black-box optimization of parametrically modeled digital circuitry for optical communications
High-Speed Multilevel Coded Modulation and Soft Performance Monitoring in Optical Communications
Resource-Efficient QoS-Aware Video Streaming Using UAV-Assisted Networks
Physical-layer impairments estimation for random bandwidth traffic
Roadmap on optical communications
12.2 bit/s/Hz C-band Transmission with High-Gain Low-Complexity 24-Dimensional Geometric Shaping
Glued lattices are better quantizers than <italic>K</italic><sub>12</sub>
Learning to Extract Distributed Polarization Sensing Data from Noisy Jones Matrices
Joint Fragmentation- and QoT-Aware RBMSA in Dynamic Multi-Band Elastic Optical Networks
Corrections to “Power-Efficient Voronoi Constellations for Fiber-Optic Communication Systems”
Physical Realizations of Multidimensional Voronoi Constellations in Optical Communication Systems
Power-Efficient Voronoi Constellations for Fiber-Optic Communication Systems
Kryptovalutor – energiförbrukning och miljöeffekter
Pilot distributions for phase noise estimation in electro-optic frequency comb systems
Energy-efficient implementation of probabilistic shaping
The Voronoi Region of the Barnes-Wall Lattice Λ16
On the Best Lattice Quantizers
Comparison of Physical Realizations of Multidimensional Voronoi Constellations in Single Mode Fibers
Low-Complexity Symbol Demapping for Multidimensional Multilevel Coded Modulation
Data-Driven Estimation of Capacity Upper Bounds
Benchmarking and Interpreting End-to-end Learning of MIMO and Multi-User Communication
Polarization Tracking in the Presence of PDL and Fast Temporal Drift
Capacity Bounds under Imperfect Polarization Tracking
Dynamic Joint Functional Split and Resource Allocation Optimization in Elastic Optical Fronthaul
Data preprocessing for machine-learning-based adaptive data center transmission
Nonlinear Fiber Transmission of Compressed Shaping Signals
Low-Complexity Voronoi Shaping for the Gaussian Channel
Improved Polarization Tracking in the Presence of PDL
The Optimal Lattice Quantizer in Nine Dimensions
Energy-and Bandwidth-Efficient, QoS-Aware Edge Caching in Fog-Enhanced Radio Access Networks
Designing Voronoi Constellations to Minimize Bit Error Rate
Compressed Shaping: Concept and FPGA Demonstration
Low-complexity geometric shaping
Analytical Modeling of Nonlinear Fiber Propagation for Four Dimensional Symmetric Constellations
Cross-layer static resource provisioning for dynamic traffic in flexible grid optical networks
Performance Prediction Recipes for Optical Links
Enabling Technologies for Optical Data Center Networks: Spatial Division Multiplexing
Iterative configuration in elastic optical networks [Invited]
When to Use Optical Amplification in Noncoherent Transmission: An Information-Theoretic Approach
Sparse-dense MLC for peak power constrained channels
General QoS-Aware Scheduling Procedure for Passive Optical Networks
Post-FEC BER Benchmarking for Bit-Interleaved Coded Modulation With Probabilistic Shaping
End-to-End Learning of Geometrical Shaping Maximizing Generalized Mutual Information
Required and received SNRs in coded modulation
Performance Monitoring for Live Systems with Soft FEC and Multilevel Modulation
Improved Simulation Accuracy of the Split-Step Fourier Method
Antialiased transmitter-side digital backpropagation
On the Performance under Hard and Soft Bitwise Mismatched-Decoding
Optimization of Transmitter-Side Signal Rotations in the Presence of Laser Phase Noise
Lattice-based geometric shaping
Probabilistic spectrum Gaussian noise estimate for random bandwidth traffic
Static resource allocation for dynamic traffic
Performance monitoring for live systems with soft FEC
On the Performance of Joint-Core Carrier-Phase Estimation in the Presence of Intercore Skew
Channel allocation in elastic optical networks using traveling salesman problem algorithms
FPGA implementation of distribution matching and dematching
Iterative Detection and Phase-Noise Compensation for Coded Multichannel Optical Transmission
Dynamic Resource Allocation in Metro Elastic Optical Networks using Lyapunov Drift Optimization
Overcoming the Switching Bottlenecks in Wavelength-Routing, Multicast-Enabled Architectures
On the Impact of Intercore Skew on Joint-Core Carrier-Phase Estimation
Regular perturbation for the weak-dispersion regime
Accuracy Assessment of Nondispersive Optical Perturbative Models through Capacity Analysis
Hierarchical Distribution Matching for Probabilistically Shaped Coded Modulation
Characteristics of homogeneous multi-core fibers for SDM transmission
How to Increase the Achievable Information Rate by Per-Channel Dispersion Compensation
Iterative Resource Allocation Algorithm for EONs Based on a Linearized GN Model
Joint Power-Efficient Traffic Shaping and Service Provisioning for Metro Elastic Optical Networks
Nonlinearity Mitigation in WDM Systems: Models, Strategies, and Achievable Rates
High capacity transmission with few-mode fibers
Quality of Transmission Aware Optical Networking Using Enhanced Gaussian Noise Model
Joint Source-Channel Coding via Compressed Distribution Matching in Fiber-Optic Communications
Corrections to 'High capacity transmission with few-mode fibers'
Information-Theoretic Tools for Optical Communications Engineers [Invited]
Modulation and detection for multicore superchannels with correlated phase noise [Invited]
Multidimensional sampling of isotropically bandlimited signals
Efficient Offline Evaluation of FEC Codes Based on Captured Data with Probabilistic Shaping
Spectral efficiency limits in crosstalk-impaired multi-core fiber links
Network Performance Trade-Off in Modular Data Centers With Optical Spatial Division Multiplexing
159 Tbit/s C+L Band Transmission over 1045 km 3-Mode Graded-Index Few-Mode Fiber
Joint Phase Tracking for Multicore Transmission with Correlated Phase Noise
Technologies toward implementation of probabilistic constellation shaping
Improved lower bounds on mutual information accounting for nonlinear signal–noise interaction
Improving the Achievable Rates of Optical Coherent Transmission with Back-Propagation
Demodulation and Detection Schemes for a Memoryless Optical WDM Channel
Regenerator Allocation in Nonlinear Elastic Optical Networks With Random Data Rates
Multicast scheduling of wavelength-tunable, multiqueue optical data center switches
Multi-channel collision-free reception for optical interconnects
Wavelength Reuse for Scalable Multicasting: A Cross-Layer Perspective
A Low-Complexity Near-Optimal Detector for Multispan Zero-Dispersion Fiber-Optic Channels
Scalable Interconnection Scheme for Data Center Multicast Applications
Asymptotic comparison of ML and MAP detectors for multidimensional constellations
PAM Performance Analysis in Multicast-Enabled Wavelength-Routing Data Centers
Capacity bounds in optical communications
Fiber nonlinearity mitigation in WDM systems: Strategies and achievable rates
High Capacity Transmission Systems Using Homogeneous Multi-Core Fibers [Invited]
Modified Digital Backpropagation Accounting for Polarization-Mode Dispersion
An impairment-aware resource allocation scheme for dynamic elastic optical networks
Multidimensional Modulation and Coding in Optical Transport [Invited]
Multicast Scheduling for Optical Data Center Switches with Tunability Constraints
A Novel Demodulation Scheme for a Memoryless Optical Interference Channel
A Tighter Upper Bound on the Capacity of the Nondispersive Optical Fiber Channel
Performance Metrics for Systems with Soft-Decision FEC and Probabilistic Shaping
Digital backpropagation accounting for polarization-mode dispersion
Joint Assignment of Power, Routing, and Spectrum in Static Flexible-Grid Networks
Optical Circuit Granularity Impact in TCP-Dominant Hybrid Data Center Networks
Information rates of next-generation long-haul optical fiber systems using coded modulation
Capacity scaling of flexible optical networks with nonlinear impairment [Invited]
High-capacity MCF transmission with wideband comb
Regenerator Site Predeployment in Nonlinear Dynamic Flexible-Grid Networks
Phase-Noise Compensation for Spatial-Division Multiplexed Transmission
On the limits of digital back-propagation in the presence of transceiver noise
Temporal Stochastic Channel Model for Absolute Polarization State and Polarization-Mode Dispersion
Achievable rates of multidimensional multisphere distributions
Matrix receiving scheme supporting arbitrary multiple-wavelength reception for optical interconnects
Pilot Distributions for Phase Tracking in Space-Division Multiplexed Systems
Achievable information rates of nonbinary codes for optical fiber transmission
Network performance trade-Off in optical spatial division multiplexing data centers
Scalability analysis methodology for passive optical interconnects in data center networks using PAM
Replacing the Soft-Decision FEC Limit Paradigm in the Design of Optical Communication Systems
Ultra-Wideband Nonlinearity Compensation Performance in the Presence of PMD
Sensitivity Comparison of Time Domain Hybrid Modulation and Rate Adaptive Coding
A Deterministic Construction and Density Evolution Analysis for Generalized Product Codes
Multidimensional Modulation and Coding
Joint-Polarization Phase-Noise Estimation and Symbol Detection for Optical Coherent Receivers
Implications of information theory in optical fibre communications
Regenerator site selection in impairment-aware elastic optical networks
Polarization-Mode Dispersion Aware Digital Backpropagation
Multidimensional Optimized Optical Modulation Formats
Traffic-grooming- and multipath-routing-enabled impairment-aware elastic optical networks
Polarization Drift Channel Model for Coherent Fibre-Optic Systems
Parallel Improved Schnorr-Euchner Enumeration SE++ for the CVP and SVP
On the Information Loss of the Max-Log Approximation in BICM Systems
Stochastic Digital Backpropagation with Residual Memory Compensation
Modulation Format Independent Joint Polarization and Phase Tracking for Coherent Receivers
To overcome the scalability limitation of passive optical interconnects in datacentres
Multidimensional modulation formats for coherent optical communications
Pb/s, homogeneous, single-mode, multi-core fiber systems
Roadmap of optical communications
Influence of Behavioral Models on Multiuser Channel Capacity
Linear block-coding across >5 Tb/s PDM-64QAM spatial-super-channels in a 19-core fiber
Resource Allocation in Nonlinear Flexible-Grid Fiber-Optic Networks
Power Optimization in Nonlinear Flexible-Grid Optical Networks
Resource Allocation for Flexible-Grid Optical Networks With Nonlinear Channel Model
Single parity check-coded 16QAM over spatial superchannels in multicore fiber transmission
Four-Dimensional Estimates of Mutual Information in Coherent Optical Communication Experiments
Nonlinear Impairment-Aware Static Resource Allocation in Elastic Optical Networks
Experimental Investigation of a Four-Dimensional 256-ary Lattice-based Modulation Format
Spatially-Coupled Codes for Optical Communications: State-of-the-Art and Open Problems
Link-Level Resource Allocation for Flexible-Grid Nonlinear Fiber-Optic Communication Systems
A simple strategy for mitigating XPM in nonlinear WDM optical systems
Backward particle message passing
Conditions for a Monotonic Channel Capacity
Information-theory-friendly models for fiber-optic channels: A primer
Symbol-by-Symbol Joint Polarization and Phase Tracking in Coherent Receivers
Power Consumption of Hybrid EDFA/Raman Amplified Systems
On the Use of Factor Graphs in Optical Communications
On Parameter Optimization for Staircase Codes
Optimum detection in presence of nonlinear distortions with memory
Replacing the Soft-Decision FEC Limit Paradigm in the Design of Optical Communication Systems
Coherent transmission channels as 4d rotations
Four-Dimensional Coded Modulation with Bit-Wise Decoders for Future Optical Communications
Code Rate Optimization in Elastic Optical Networks
Nonlinear impairment aware resource allocation in elastic optical networks
LDPC codes for optical channels: Is the "FEC limit" a good predictor of post-FEC BER?
On Maximum Likelihood Sequence Detectors for Single-channel Coherent Optical Communications
Stochastic Digital Backpropagation
Achievable rates for four-dimensional coded modulation with a bit-wise receiver
Biorthogonal modulation in 8 dimensions experimentally implemented as 2PPM-PS-QPSK
Capacity of a nonlinear optical channel with finite memory
High-SNR Asymptotics of Mutual Information for Discrete Constellations With Applications to BICM
Sensing or Transmission: Causal Cognitive Radio Strategies with Censorship
Bandlimited Power-Efficient Signaling and Pulse Design for Intensity Modulation
Improving soft FEC performance for higher-order modulations via optimized bit channel mappings
Modulation formats for multi-core fiber transmission
Bandlimited Power-Efficient Signaling for Intensity Modulation
On the Asymptotic Performance of Bit-Wise Decoders for Coded Modulation
K-Over-L Multidimensional Position Modulation
Modeling of Nonlinear Signal Distortion in Fiber-Optic Networks
A Low-Complexity Detector for Memoryless Polarization-Multiplexed Fiber-Optical Channels
Optimized Bit Mappings for Spatially Coupled LDPC Codes over Parallel Binary Erasure Channels
Coded Modulation for Fiber-Optic Networks
A Simple Approximation for the Bit-Interleaved Coded Modulation Capacity
Rate-Adaptive Coded Modulation for Fiber-Optic Communications
Energy efficient modulation formats for multi-core fibers
Single parity check multi-core modulation for power efficient spatial super-channels
On the Exact BER of Bit-Wise Demodulators for One-Dimensional Constellations
Extending Digital Backpropagation to Account for Noise
High-SNR Asymptotics of Mutual Information for Discrete Constellations
35.2 Gbps 8-PAM transmission over 100 m of MMF using an 850 nm VCSEL
Methodology for Power-Aware Coherent Receiver Design
Frequency and polarization switched QPSK
WDM channel capacity and its dependence on multichannel adaptation models
On nonlinearly-induced noise in single-channel optical links with digital backpropagation
Design of APSK Constellations for Coherent Optical Channels with Nonlinear Phase Noise
Signal Shaping for BICM at Low SNR
MCRB for Timing and Phase Offset for Low-Rate Optical Communication with Self-Phase Modulation
Subset-Optimized Polarization-Multiplexed PSK for Fiber-Optic Communications
General BER Expression for One-Dimensional Constellations
A Discrete-Time Model for Uncompensated Single-Channel Fiber-Optical Links
On the Equivalence of TCM Encoders
4-PAM for high-speed short-range optical communications
Satellite constellations: Towards the nonlinear channel capacity
Adaptive Coded Modulation for Nonlinear Fiber-Optical Channels
Asymptotically optimal trellis coded modulation systems
Optimizing Constellations for Single-Subcarrier Intensity-Modulated Optical Systems
Spectrally efficient four-dimensional modulation
Bandlimited Intensity Modulation
First-order asymptotics of the BICM mutual information: Uniform vs. nonuniform distributions
Comparison of 128-SP-QAM with PM-16-QAM
Modified Cramer-Rao Bound for Clock Recovery in the Presence of Self-Phase Modulation
Continuous-Amplitude Modulation for Optical Wireless Channels
Optimized lattice-based 16-level subcarrier modulation for IM/DD systems
The Limits of Digital Backpropagation in Nonlinear Coherent Fiber-Optical Links
Multidimensional capacity-approaching coded modulation scheme for fiber optical communications
Modulation method and apparatus for amplitude- or intensity-modulated communication systems
Constellation Optimization for Coherent Optical Channels Distorted by Nonlinear Phase Noise
On Optimum Causal Cognitive Spectrum Reutilization Strategy
Achieving the Shannon Limit with Probabilistically Shaped BICM
A Two-Dimensional Signal Space for Intensity-Modulated Channels
CMA Misconvergence in Coherent Optical Communication for Signals Generated from a Single PRBS
Demonstration of 8-level subcarrier modulation sensitivity improvement in an IM/DD system
Designing Power-Efficient Modulation Formats for Noncoherent Optical Systems
High SNR Bounds for the BICM Capacity
On the performance of BICM with trivial interleavers in nonfading channels
Stochastic Backpropagation for Coherent Optical Communications
Convergence Comparison of the CMA and ICA for Blind Polarization Demultiplexing
On the symbol error probability of regular polytopes
An LLR-based Cognitive Transmission Strategy for Higher Spectrum Reutilization
Strictly Bandlimited ISI-Free Transmission Over Intensity-Modulated Channels
On BICM receivers for TCM transmission
Modified constant modulus algorithm for polarization-switched QPSK
30 Gbps 4-PAM transmission over 200m of MMF using an 850 nm VCSEL
An ML-based Detector for Optical Communication in the Presence of Nonlinear Phase Noise
Performance Comparison between 120 Gbit/s RZ-DQP-ASK and RZ-D8PSK over a 480 km Link
Generalized pulse-position modulation for optical power-efficient communication
Faster Recursions in Sphere Decoding
Signal Statistics in Fiber-Optical Channels with Polarization Multiplexing and Self-Phase Modulation
Multilevel pulse-position modulation for optical power-efficient communication
30 Gbps 4-PAM transmission over 200m of MMF using an 850 nm VCSEL
Optimization of 16-point Ring Constellations in the Presence of Nonlinear Phase Noise
Power efficient modulation schemes [Invited book chapter]
Experimental comparison of modulation formats in IM/DD links
Optimal Alphabets and Binary Labelings for BICM at Low SNR
Operational Regime of Symbol-by-Symbol Phase Noise Estimation for POLMUX 16-QAM
A novel rate allocation method for multilevel coded modulation
Wideband Sequential Spectrum Sensing with Varying Thresholds
Power efficient subcarrier modulation for intensity modulated channels
Constellation optimization for coherent optical transmission systems
The Impact of Self-Phase Modulation on Digital Clock Recovery in Coherent Optical Communication
On the dimensionality of multilevel coded modulation in the high SNR regime
Interleaved Polarization Division Multiplexing in Self-Homodyne Coherent WDM Systems
A novel multilevel coded modulation scheme for fiber optical channel with nonlinear phase noise
Exploiting UEP in QAM-based BICM: Interleaver and Code Design
Corrections to 'Bit-interleaved coded modulation in the wideband regime'
On BICM-ID with Multiple Interleavers
Four-Dimensional Optimized Constellations for Coherent Optical Transmission Systems
Electronic dispersion compensation by Hadamard transformation
Intersymbol interference in DQPSK fibre-optic systems
On optimal constellations for BICM at low SNR
Correcting Suboptimal Metrics in Iterative Decoders
Power-efficient modulation formats in coherent transmission systems
On the Capacity of BICM with QAM Constellations
Which is the most power-efficient modulation format in optical links?
Unequal Error Protection in BICM with QAM Constellations: Interleaver and Code Design
Trellis-Coded Modulation in Fiber-Optic Communications
On the Design of Interleavers for BICM Transmission
Transmitter comparison and unequal bit error probabilities in coherent QPSK systems
Gray coding for multilevel constellations in Gaussian noise
PSK bit mappings with good minimax error probability
Trellis-Coded Modulation in PSK and DPSK Communications
Fiber communications using convolutional coding and bandwidth-efficient modulation
Bit error probability of coherent M-ary PSK over flat Rayleigh fading channels
Performance of Coded Single-Band Carrier-Based DS-SS Systems on IEEE 802.15.3a UWB Channels
Design and performance of carrier-based direct-sequence ultra-wideband systems
Improvement of DPSK transmission by using convolutional error correction coding
Bit error probability of coherent M-ary PSK over flat Rayleigh fading channels
Optimality of the binary reflected Gray code for the Gaussian channel
On the optimality of the binary reflected Gray code
The binary reflected Gray code is optimal for M-PSK
Frequency Diversity Performance of Coded Multiband-OFDM Systems on IEEE UWB Channels
On the duality between low-rate and high-rate sampling
Computation of the Exact Bit Error Rate of Coherent M-ary PSK with Gray Code Bit Mapping
Computation of the Exact Bit-Error Rate of Coherent M-ary PSK With Gray Code Bit Mapping
Unequal Bit-Error Protection in Coherent M-ary PSK
Optimal lattices for interpolation of stationary random fields
The exact symbol and bit error probabilities of coherent M-ary PSK
Exploring a space of materials: Spatial sampling design and subset selection
Closest point search in lattices
A table of upper bounds for binary codes
Upper bounds for constant-weight codes
Constant-weight code bounds from spherical code bounds
On the Voronoi neighbor ratio for binary linear block codes
Optimization of lattices for quantization
Image compression in San Diego
Voronoi regions for binary linear block codes
The Hadamard transform - a tool for index assignment
ML optimal CDMA multiuser receiver
How to evaluate search methods for vector quantization
Spectral coding by fast vector quantization
A method for examining vector quantizer structures
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Visar 15 forskningsprojekt
Kommunikation över optiska kanaler med skurfel
Frigöra full fiberoptisk kapacitet
Signalformning i optisk datatransmission – bortom gausskanalen
Coding for Optical communications In the Nonlinear regime (COIN)
Polarisationsanpassad fiberoptisk transmission
Teknologier for spatiell multiplexning: nästa utmaning inom optisk kommunikation
Mot flexibla och energi-effektiva datacenternätverk
Mot flexibla och energieffektiva datacenternätverk
Energieffektiv optisk fiberkommunikation
Fiberoptisk interferens är inte brus
Adaptiva optiska nätverk: Teori och algoritmer för systemoptimering
Analys och Design av MIMO-BICM
Energieffektiv terabit/s transmission
Teori och algoritmer för fiberoptisk intensitetskommunikation