Subjects: Bandwidth. / Codes (symbols) / Decision feedback equalizers. / Random processes. / Wireless telecommunication systems. / Pseudorandom sequences. / Strict hard decision. / Thresholded hard decision. / Time hopping ultrawideband (TH-UWB) / Code division multiple access.

Performance analysis of internally coded partial-band DS-CDMA system in multipath Rayleigh fading channel

Author: Mirmohseni, M.

Pub. Year: 2007

Subjects: Code division multiple access. / Dielectric relaxation. / Fading (radio) / Fading channels. / Telecommunication systems. / Direct-sequence. / DS-CDMA. / DS-CDMA systems. / Frequency-hopping. / Frequency-hopping (FH) / International conferences. / Malaysia. / Multipath fading. / Multipath Rayleigh fading channel. / Partial-band. / Partial-band DS-CDMA. / Performance analyses. / Rake receiver. / Spread-spectrum techniques. / Super-orthogonal codes. / UWB systems. / Rayleigh fading.

An internally coded partial-band DS-CDMA system and its performance analysis

Author: Mirmohseni, M.

Pub. Year: 2005

Subjects: Bandwidth. / Bit error rate. / Codes (symbols) / Direct sequence systems. / Frequency hopping. / Signal receivers. / Multiple access method. / Partial-band DS-CDMA. / Pseudorandom (PN) sequence. / Super-orthogonal codes. / Code division multiple access.

Adaptive handover algorithm in heterogeneous femtocellular networks based on received signal strength and signal-to-interference-plus-noise ratio prediction

Author: Kalbkhani, H.

Pub. Year: 2014

Subjects: Algorithms. / Femtocell. / Forecasting. / Mobile telecommunication systems. / Multiuser detection. / RSS. / Signal detection. / Signal to noise ratio. / Spurious signal noise. / Telecommunication networks. / Throughput. / Coverage ranges. / Extensive simulations. / Femtocell Networks. / Handover algorithms. / Outage probability. / Received signal strength. / Recursive Least Square algorithm. / Signal to interference plus noise ratio. / Signal interference.

Resource allocation in integrated femto-macrocell networks based on location awareness

Author: Kalbkhani, H.

Pub. Year: 2015

Subjects: Cochannel interference. / Directive antennas. / Femtocell. / Mobile security. / Probability. / Resource allocation. / Throughput. / Wireless networks. / Closed-form expression. / Cross-tier interferences. / Directional Antenna. / Femtocell Networks. / Fractional Frequency Reuse. / Hierarchical cellular network. / Location awareness. / Outage probability. / Mobile telecommunication systems.

Higher order statistics for modulation and STBC recognition in MIMO systems

Author: Khosraviyani, M.

Publisher: Institution of Engineering and Technology,

Pub. Year: 2019

Subjects: Covariance matrix. / Equalizers. / Higher order statistics. / Military applications. / MIMO systems. / Modulation. / Signal to noise ratio. / Space time codes. / Support vector machines. / Commercial communication. / Higher order cumulants. / Joint identifications. / Low signal-to-noise ratio. / Modulation types. / Space- time block code (STBC) / Statistical features. / Theoretical values. / Space-time block coding (STBC)

Diagnosis of schizophrenia from R-fMRI data using Ripplet transform and OLPP

Author: Sartipi, S.

Publisher: Springer,

Pub. Year: 2020

Subjects: Computer-aided diagnosis (CAD) / Functional magnetic resonance imaging (fMRI) / Orthogonal locality preserving projection (OLPP) / Ripplet transform. / Schizophrenia. / Diseases. / Independent component analysis. / Integrated circuits. / Magnetic resonance imaging. / Medical computing. / Support vector machines. / Computer Aided Diagnosis(CAD) / Discriminative features. / Functional magnetic resonance imaging. / Independent component analysis(ICA) / Independent components. / Linear Support Vector Machines. / Occupational functioning. / Orthogonal Locality Preserving Projections (OLPP) / Computer aided diagnosis.

Energy-efficient relay selection and power allocation for multi-source multicast network-coded D2D communications

Author: Hayati, M.

Publisher: Elsevier GmbH,

Pub. Year: 2021

Subjects: Energy efficiency. / Femtocell. / Heterogeneous networks. / Mobile telecommunication systems. / Multicasting. / Network coding. / Picocellular radio systems. / Quality of service. / Cooperative multicast. / Cooperative networks. / Coordinated multi point (CoMP) / Deviceto-device (D2D) communication. / Heterogeneous cellular networks. / Multi-source multicast. / Relay selection and power allocations. / Spectrum efficiency. / Cooperative communication.

Variable bit rate video traffic prediction based on kernel least mean square method

Author: Haghighat, N.

Pub. Year: 2015

Subjects: Algorithms. / Bits. / Data handling. / Forecasting. / Frequency allocation. / Fuzzy inference. / Fuzzy neural networks. / Image coding. / Inference engines. / Quality of service. / Video streaming. / Adaptive network fuzzy inference systems. / Auto regressive models. / Dynamic bandwidth allocation. / Extensive simulations. / Kernel least mean squares. / Least mean square (LMS) / Performance metrics. / Variable bit rate video. / Least squares approximations.

Performance analysis of time-hopping ultra-wideband systems in multipath fading channels (Uncoded and coded schemes)

Author: Ahmadi, H. R.

Publisher: Sharif University of Technology,

Pub. Year: 2006

Subjects: Communication channels (information theory) / Hamming distance. / Multipath Rayleigh fading channels. / Selective diversity combining receiver. / Time-hopping ultra-wideband systems. / Bandwidth. / Broadband networks. / Diversity reception. / Multipath propagation. / Radio interference. / Radio receivers. / Rayleigh fading. / Performance assessment. / Telecommunication.

Novel coarse timing synchronization methods in OFDM systems using fourth-order statistics

Author: Mohebbi, A.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2015

Subjects: Frequency allocation. / Frequency division multiplexing. / Local area networks. / Better performance. / Carrier frequency offsets. / Coarse timing synchronizations. / Detection performance. / Fourth order statistics. / Missed detection probabilities. / Missed detections. / Orthogonal frequency division multiplexing systems. / Orthogonal frequency division multiplexing.

Modelling and forecasting of signal-to-interference plus noise ratio in femtocellular networks using logistic smooth threshold autoregressive model

Author: Kabiri, S.

Pub. Year: 1 February 2015

Subjects: Femtocell. / Statistical testing. / Autoregressive processes. / Nonlinear estimation. / Least mean squares methods. / Interference suppression. / Forecasting theory. / Femtocellular radio.

Femtocell base station clustering and logistic smooth transition autoregressive-based predicted signal-to-interference-plus-noise ratio for performance improvement of two-tier macro/femtocell networks

Author: Lotfollahzadeh, T.

Publisher: Institution of Engineering and Technology

Pub. Year: 2016

Subjects: Algorithms. / Base stations. / Cochannel interference. / Complex networks. / Computational complexity. / Mobile telecommunication systems. / Multiuser detection. / Outages. / Power control. / Signal detection. / Signal interference. / Signal to noise ratio. / Spurious signal noise. / Auto-regressive. / Femtocell Networks. / Outage probability. / Performance parameters. / Power control schemes. / Power savings. / Signal to interference plus noise ratio. / Smooth transitions. / Femtocell.

Cell selection for load balancing in heterogeneous networks

Author: Aghazadeh, Y.

Publisher: Springer New York LLC,

Pub. Year: 2018

Subjects: Jain’s index. / Load balancing. / Pilot signal. / Base stations. / Femtocell. / Heterogeneous networks. / Mobile telecommunication systems. / Resource allocation. / Signal interference. / Signal to noise ratio. / Throughput. / Wireless telecommunication systems. / Cell selection. / Heterogeneous network (HetNets) / Network capacity. / Pilot signals. / Received signal strength. / Signal to interference plus noise ratio (SINR) / Unbalanced loads. / User equipments. / Long term evolution (LTE)

Classification of sleep stages based on LSTAR model

Author: Ghasemzadeh, P.

Publisher: Elsevier Ltd,

Pub. Year: 2019

Subjects: D3TDWT transform. / EEG signal. / LSTAR model. / Sleep stages. / Biomedical signal processing. / Brain. / Discrete wavelet transforms. / Electroencephalography. / Tensors. / Time series. / Dual-tree discrete wavelet transforms. / EEG signals. / Electrical activities. / Electroencephalogram signals. / Portable monitoring. / Real world environments. / Sleep stage. / Tensor locality preserving projections. / Sleep research.

Stockwell transform of time-series of fMRI data for diagnoses of attention deficit hyperactive disorder

Author: Sartipi, S.

Publisher: Elsevier Ltd,

Pub. Year: 2020

Subjects: Attention deficit hyperactivity disorder (ADHD) / Fuzzy entropy. / Stockwell transform (ST) / Support vector machine (SVM) / Two-sample Kolmogorov–Smirnov (K–S) test. / Computational complexity. / Diagnosis. / Diseases. / Entropy. / Magnetic resonance imaging. / Time series. / Attention deficit hyperactivity disorder. / Classification procedure. / Functional magnetic resonance imaging. / Kolmogorov. / Leave-one-out cross-validation (LOOCV) / Stockwell transform. / Time and frequency domains. / Support vector machines.

QoS-based multi-criteria handoff algorithm for femto-macro cellular networks

Author: Kalbkhani, H.

Publisher: Springer New York LLC,

Pub. Year: 2018

Subjects: Interference. / Received signal strength (RSS) / Base stations. / Femtocell. / Heterogeneous networks. / Probability. / Quality of service. / Wave interference. / Wireless networks. / Handoff. / Handoff algorithms. / Heterogeneous network (HetNets) / Mobility management. / Outage probability. / Quality of service metrics. / Weighting systems. / Mobile telecommunication systems.

Energy-spectral efficient resource allocation and power control in heterogeneous networks with D2D communication

Author: Khazali, A.

Publisher: Springer New York LLC,

Pub. Year: 2018

Subjects: D2D communication. / Energy efficiency. / Femtocell. / Fractional frequency reuse. / Heterogeneous network. / Resource allocation. / Computational complexity. / Energy utilization. / Game theory. / Heterogeneous networks. / Iterative methods. / Mobile ad hoc networks. / Mobile telecommunication systems. / Power control. / Problem solving. / Structural optimization. / Cross-tier interferences. / D2D communications. / Deviceto-device (D2D) communication. / Efficient resource allocation. / Fractional frequency reuses (FFR) / Heterogeneous network (HetNets) / Low computational complexity.

Energy-spectral efficient resource allocation and power control in heterogeneous networks with D2D communication

Author: Khazali, A.

Publisher: Springer,

Pub. Year: 2020

Subjects: Power control. / Resource allocation. / Computational complexity. / Energy efficiency. / Energy utilization. / Femtocell. / Game theory. / Iterative methods. / Mobile ad hoc networks. / Mobile telecommunication systems. / Structural optimization. / Cross-tier interferences. / D2D communications. / Deviceto-device (D2D) communication. / Efficient resource allocation. / Fractional frequency reuses (FFR) / Heterogeneous network (HetNets) / Low computational complexity. / Heterogeneous networks.

Reinforcement learning based joint resource allocation and user fairness optimization in mmWave-NOMA HetNets

Author: Sobhi-Givi, S.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2023

Subjects: Heterogenous networks (HetNet) / Imperfect SIC. / mmWave. / Non-orthogonal multiple access (NOMA) / Power allocation. / Rate-fairness. / Reinforcement learning.

Total 22445 records