Heidi Steendam

Latest

• Adaptive pilot allocation for estimating sparse uplink MU-MIMO-OFDM channels
• How to get the best out of your fingerprint database : hierarchical fingerprint indoor positioning for databases with variable density
• Hybrid position and orientation estimation for visible light systems in the presence of prior information on the orientation
• On the optimisation of illumination LEDs for VLP systems
• Pose estimation for visible light systems using a quadrature angular diversity aperture receiver
• Optimal multi-objective resource allocation for D2D underlaying cellular networks in uplink communications
• PDR/UWB based positioning of a shopping cart
• Precoding for PAPR reduction in UW-OFDM
• Uplink transceiver design for coded GFDMA systems
• An over-the-air CFO-assisted synchronization algorithm for TDOA-based localization systems
• Antenna selection and resource allocation in downlink MISO OFDMA femtocell networks
• Efficient pilot allocation for sparse channel estimation in UWB OFDM systems
• Feature selection for machine learning based step length estimation algorithms
• Parameter estimation and channel reconstruction based on compressive sensing for ultra-wideband MB-OFDM systems
• Pilot allocation based on simulated annealing for sparse channel estimation in UWB OFDM systems
• Planar positioning bias due to transmitter and receiver tilting in RSS-based ranging VLP
• Simultaneous position and orientation estimation for visible light systems with multiple LEDs and multiple PDs
• Tradeoff between ergodic energy efficiency and spectral efficiency in D2D communications under Rician fading channel
• A novel performance tradeoff in heterogeneous networks : a multi-objective approach
• A positioning algorithm for VLP in the presence of orientation uncertainty
• An RSS Approximation for visible light positioning in the presence of orientation uncertainty
• BER evaluation of OFDM systems with joint effect of TI-ADC circuit’s gain mismatch and channel estimation error
• Step detection using LSTM networks
• Tracking road users by cooperative fusion of radar and camera sensors
• A 3D positioning algorithm for AOA-based VLP with an aperture-based receiver
• A feature ranking and selection algorithm for machine learning-based step counters
• An indoor variance-based localization technique utilizing the UWB estimation of geometrical propagation parameters
• Analysis of the scalability of UWB indoor localization solutions for high user densities
• Closed-form BER expression for OFDM with the effect of TI-ADC’s timing mismatch
• Effect of TI-ADC mismatches on OFDM BER
• Experimental evaluation of UWB indoor positioning for sport postures
• Feature selection for machine learning based step length estimation algorithms
• Influence of transmitter and receiver orientation on the channel gain for RSS ranging-based VLP
• Magnitude of the distance estimation bias in received signal strength visible light positioning
• Power spectral analysis of UW-OFDM systems
• Accurate and efficient BER evaluation for high-speed OFDM systems impaired by TI-ADC circuit’s gain mismatch
• Approximate BER for OFDM systems impaired by a gain mismatch of a TI-ADC realization
• Coarse estimation of the incident angle for VLP with an aperture-based receiver
• Cramer-rao bound for AOA-based VLP with an aperture-based receiver
• Effect of offset mismatch in time-interleaved ADC circuits on OFDM-BER performance
• Influence of the aperture-based receiver orientation on RSS-based VLP performance
• Theoretical lower bound for indoor visible light positioning using received signal strength measurements and an aperture-based receiver
• Cramer-rao bound for indoor visible light positioning using an aperture-based angular-diversity receiver
• Theoretical performance evaluation and optimization of UW-OFDM
• WiFi ad-hoc mesh network and MAC protocol solution for UWB indoor localization systems
• BER analysis of high-speed OFDM systems in the presence of time-interleaved analog-to-digital converter's offset mismatch
• BER of high-speed OFDM systems in the presence of offset mismatch of TI-ADCs
• Bayesian CRLB for hybrid ToA and DoA based wireless localization with anchor uncertainty
• Cooperative hybrid localization using Gaussian processes and belief propagation
• Improved censoring and NLOS avoidance for wireless localization in dense networks
• Offset mismatch calibration for TI-ADCs in high-speed OFDM systems
• Wi-Fi fingerprint positioning updated by Pedestrian dead reckoning for mobile phone indoor localization
• A low resolution multi-camera system for person tracking
• An adaptive detector implementation for MIMO-OFDM downlink
• Design and analysis of the UW-OFDM signal
• Effect of time-interleaved analog-to-digital converter mismatches on OFDM performance
• Frame theory and optimal anchor geometries in wireless localization
• Human mobility monitoring in very low resolution visual sensor network
• Novel data detection and channel estimation algorithms for BICM-OFDMA uplink asynchronous systems in the presence of IQ imbalance
• On the diversity order of UW-OFDM
• On the pilot carrier placement in multicarrier-based systems
• On the structural nature of cooperation in distributed network localization
• Sidelobe suppression for non-systematic coded UW-OFDM in cognitive radio networks
• Fast and robust anchor calibration in range-based wireless localization
• Guest editorial: virtual MIMO
• How to select the pilot carrier positions in CP-OFDM?
• On the effect of movement on the localization accuracy in practical wireless networks
• On the selection of the redundant carrier positions in UW-OFDM
• Power spectrum characterization of systematic coded UW-OFDM systems
• Analysis of the redundant energy in UW-OFDM
• CUPID algorithm for cooperative indoor multipath-aided localization
• Comparison of message passing algorithms for cooperative localization under NLOS conditions
• Cooperative multipath-aided indoor localization
• Iterative decision-directed joint frequency offset and channel estimation for KSP-OFDM
• On the redundant carrier distribution for UW-OFDM
• The quasi-uniform redundant carrier placement for UW-OFDM
• Frequency offset estimation for KSP-OFDM
• Near optimal iterative channel estimation for KSP-OFDM
• Overview of performance lower bounds for blind frequency-offset estimation
• Analysis of the narrowband interference effect on frequency ambiguity resolution for OFDM systems
• ML frequency synchronisation for OFDM systems in the presence of overlapped narrow band transmission systems
• PAPR reduction by symbol nulling
• Pilot based time delay estimation for KSP-OFDM systems
• Pilot based time delay estimation for KSP-OFDM systems in a multipath fading environment
• Synchronization in wireless communications
• Time delay estimation for KSP-OFDM systems in multipath fading channels
• A comparison between parametric and nonparametric channel estimation for multipath fading channels
• An ML-based estimate and the Cramer-Rao bound for data-aided channel estimation in KSP-OFDM
• Bounds and algorithms for data-aided channel estimation in OFDM
• Clipping versus symbol switching for PAPR reduction in coded OFDM
• Code-aided channel tracking and frequency offset-phase noise elimination for multicarrier systems
• Code-aided joint frame synchronization and channel estimation for uplink MC-CDMA in the presence of narrowband interference
• Frequency-domain data-aided channel estimation for KSP-OFDM
• Iterative DA/DD Channel Estimation for KSP-OFDM
• Iterative EM based channel estimation for KSP-OFDM
• Iterative residual frequency offset correction for OFDM systems
• Narrowband AM interference cancellation for broadband multicarrier systems
• Turbo estimation and equalization for asynchronous uplink MC-CDMA
• An MSE lower bound for parametric and nonparametric channel estimation
• Analysis of the narrowband interference effect on OFDM timing synchronization
• Cancellation of digital narrowband interference for multi-carrier systems
• Cancellation of digital narrowband interference for multi-carrier systems
• Different guard interval techniques for OFDM: Performance comparison
• Interference cancellation of AM narrowband interference signals
• Interference cancellation of AM narrowband interference signals
• Parameter optimization for OFDM systems in doubly-selective fading channels with line-of-sight components
• Performance analysis of ML-based feedback carrier phase synchronizers for coded signals
• Performance evaluation and parameter optimization of MC-CDMA
• Soft information aided ML joint frame synchronization and channel estimation for downlink MC-CDMA in the presence of narrowband interference
• Soft information aided phase noise correction for OFDM systems
• The Cramer-Rao bound and ML estimate for data-aided channel estimation in KSP-OFDM
• B-VHF-selected simulation results and assessment.
• Code-aided Bayesian parameter estimation for multi-carrier systems
• Code-aided ML joint synchronization and channel estimation for downlink MC-CDMA
• Code-aided channel tracking for OFDM
• Code-aided frame synchronization and phase ambiguity resolution
• Effectiveness study of code-aided and non-code-aided ML-based feedback phase synchronizers
• Multicarrier parameter optimization in doubly selective fading channels with LOS components.
• Parametric versus nonparametric data-aided channel estimation in a multipath fading environment.
• Performance evaluation and parameter optimization of MC-CDMA
• The effect of narrowband interference on ML fractional frequency offset estimator for OFDM
• The effect of narrowband interference on frequency ambiguity resolution for OFDM
• A comparison between uplink and downlink MC-DS-CDMA sensitivity to static timing and clock frequency offsets
• A maximum-likelihood based feedback carrier synchronizer for turbo-coded systems
• A theoretical framework for soft-information-based synchronization in iterative (turbo) receivers
• Carrier and clock recovery in (turbo-) coded systems: Cramer-Rao bound and synchronizer performance
• Carrier phase and frequency estimation for pilot-symbol assisted transmission: Bounds and algorithms
• Carrier phase tracking from turbo and LDPC coded signals affected by a frequency offset
• Code-aided ML frame synchronization in a downlink MC-CDMA
• Impact of channel estimation error on the performance of linear FIR equalizers for frequency selective MIMO channels
• Performance evaluation and parameter optimization of MC-CDMA
• Synchronization for MIMO systems
• The IAP-MOTION project: mobile multimedia communication systems and networks
• The effect of narrowband interference on timing synchronization for OFDM systems
• Turbo channel estimation for bit-interleaved coded modulation
• Analysis of an ML data-aided phase ambiguity resolution algorithm for M-PSK
• Computational complexity and quantization effects of decoding algorithms for non-binary IDPC codes
• Computational complexity and quantization effects of decoding algorithms for non-binary LDPC codes
• Interleaved coded modulation for non-binary codes: a factor graph approach
• Interleaved coded modulation for non-binary codes: a factor graph approach
• Log-domain decoding of LDPC codes over GF (q)
• Log-domain decoding of LDPC codes over GF (q)
• On the Cramer-Rao lower Bound and the performance of synchronizers for (turbo) encoded systems
• Pilot-symbol assisted iterative carrier synchronization for burst transmission
• Synchronization sensitivity of multicarrier systems
• The effect of timing jitter on MC-DS-CDMA
• The true Cramer-Rao bound for carrier frequency estimation from a PSK signal
• True Cramer-Rao bound for timing recovery from a bandlimited linearly modulated waveform with unknown carrier phase and frequency
• Uplink and downlink MC-DS-CDMA synchronization sensitivity
• Carrier Phase Recovery in Turbo Receivers: Cramer-Rao Bound and Synchronizer Performance
• Iterative carrier phase synchronization for low-density parity-check coded systems
• Pilot-symbol assisted carrier synchronization: Cramer-Rao bound and synchronization performance
• The Cramer-Rao Bound for phase estimation from coded linearly modulated signals
• The impact of the observation model on the Cramer-Rao bound for carrier phase and frequency synchronization
• Turbo synchronization: an EM algorithm interpretation
• Uplink and Downlink MC-DS-CDMA Synchronization Sensitivity
• ML-performance of low-density parity check codes
• The effect of clock frequency offsets on downlink MC-DS-CDMA
• The true Cramer-Rao bound for estimating the carrier phase of a convolutionally encoded PSK signal
• The true Cramer-Rao bound for estimating the time delay of a linearly modulated waveform.
• The true Cramer-Rao bound for phase-independent carrier frequency estimation from a PSK signal.
• True Cramer-Rao bounds for carrier and symbol synchronization
• Comparison of downlink and uplink MC-DS-CDMA sensitivity to carrier frequency offsets
• Comparison of downlink and uplink MC-DS-CDMA sensitivity to carrier frequency offsets
• Downlink and Uplink MC-DS-CDMA sensitivity to timing jitter.
• Low-SNR limit of the Cramer-Rao bound for estimating the carrier phase and frequency of a PAM, PSK, or QAM waveform.
• Low-SNR limit of the Cramer-Rao bound for estimating the time delay of a PSK, QAM, or PAM waveform.
• On the capacity of cellular CDMA and TDMA over nondispersive channels.
• Performance bounds in synchronization for low signal-to-noise ratios
• Sensitivity of multicarrier systems to synchronization errors.
• The effect of carrier frequency offsets on downlink and uplink MC-DS-CDMA.
• The effect of carrier phase jitter on MC-DS-CDMA.
• The sensitivity of downlink MC-DS-CDMA to carrier frequency offsets.
• Comparison of the sensitivities of MC-CDMA and MC-DS-CDMA to carrier frequency offset
• Comparison of the sensitivities of MC-CDMA and MC-DS-CDMA to carrier frequency offset
• Sensitivity of orthogonal frequency-division multiplexed systems to carrier and clock synchronization errors.
• The sensitivity of MC-CDMA and MC-DS-CDMA to carrier frequency offset
• An overview of MC-CDMA synchronisation sensitivity
• Analysis and optimization of the performance of OFDM on frequency-selective time-selective fading channels.
• On the downlink capacity of cellular CDMA and TDMA over Nondispersive channels
• On the uplink capacity of cellular CDMA and TDMA over nondispersive channels.
• Performance in the Presence of Timing Errors
• Performance of a flexible form of MC-CDMA in a cellular system
• The effect of Carrier Phase Errors on Downlink MC-CDMA and OCDMA
• The effect of carrier phase jitter on MC-CDMA performance.
• The effect of synchronisation errors on MC-CDMA performance
• The sensitivity of MC-CDMA to synchronisation errors.
• The sensitivity of a flexible form of MC-CDMA to synchronisation errors
• Cable Modem architectures adapted to the noise problem in the upstream direction for multiple access Hybrid Fiber Coax Networks.
• Optimization of OFDM on Frequency-Selective Time-Selective Fading Channels
• Optimization of OFDM on frequency-selective time-selective fading channels
• Pilot tone frame synchronisation of OFDM signals for BDSL applications
• Sensitivity of OFDM and MC-CDMA to carrier phase errors
• Some TDMA and OFDM/CDMA receiver structures for communication over the return path of the CATV network
• Some TDMA and OFDM/CDMA receiver structures for communication over the return path of the CATV network.
• The effect of carrier phase jitter on the performance of orthogonal frequency-division multiple-access systems.
• Degradations of OFDM A, OFDM and FDM A systems caused by carrier phase jitter
• Performance Degradation of Multi-Carrier Systems caused by an insufficient guard interval
• Sensitivity of OFDM/CDMA to carrier phase jitter
• Sensitivity of OFDM/CDMA to carrier phase jitter. In: Proc. 1st International Workshop on Multi-carrier Spread-Spectrum. Oberpfaffenhoven, Germany. Pag. 145-152. April 24-25 1997. 5 figg.
• Guard time optimization for OFDM transmission over fading channels