Sharif Digital Repository

Multiuser power allocation in downlink of cooperative CDMA networks

Author

Abdizadeh, M. T.

Pub. Year

2009

Subjects

CDMA. / Downlink precoding. / CDMA networks. / Cooperative networks. / Direct sequence code division multiple access systems. / Downlink communications. / Minimum mean-square error. / Mobile terminal. / Multi-user. / Multi-user precoding. / Performance gain. / Power allocations. / Precoding. / Simulation result. / Spatial processing. / Synchronous DS-CDMA. / Total power. / Transmission power. / Transmission power control. / Transmitter precoding. / Algorithms. / Beamforming. / Computer terminals. / Direct sequence systems. / Mobile phones. / Multiple access interference. / Radio communication. / Radio interference. / Transmitters. / Turbo codes. / Wireless sensor networks. / Code division multiple access.

Mathematical analysis of optimal tracking interval management for power efficient target tracking wireless sensor networks

Author

Jamali-Rad, H.

Pub. Year

2012

Subjects

Distributed target tracking. / Network lifetime. / Power efficiency. / Tracking interval. / Wireless sensor networks (wsns)

An energy efficient target tracking scheme for distributed wireless sensor networks

Author

Jamali Rad, H.

Pub. Year

2009

Subjects

Adaptive methods. / Distributed wireless sensor networks. / Energy efficient. / Modified scheme. / Moving objects. / Object tracking. / Power consumption. / Power optimization. / Quantitative analysis. / Quantitative result. / Simulation result. / Sleep time. / Tracking accuracy. / Tracking networks. / Tracking time. / Cellular telephone systems. / Communication systems. / Computer simulation. / Electric power utilization. / Energy efficiency. / Global system for mobile communications. / Mobile computing. / Sensor networks. / Wireless sensor networks. / Wireless telecommunication systems. / Target tracking.

Towards the optimal tracking interval management for target tracking wireless sensor networks

Author

Jamali Rad, H.

Pub. Year

2009

Subjects

Adaptive methods. / Adaptive scheme. / Dynamic modifications. / Mathematical analysis. / Optimal tracking. / Power consumption. / Simulation result. / Time interval. / Total power consumption. / Tracking intervals. / Tracking moving objects. / Upper bound. / Adaptive algorithms. / Computer simulation. / Sensor networks. / Wireless sensor networks. / Wireless telecommunication systems. / Target tracking.

A new adaptive prediction-based tracking scheme for wireless sensor networks

Author

Jamali Rad, H.

Pub. Year

2009

Subjects

Adaptive methods. / Adaptive predictions. / Moving objects. / Object tracking. / Power consumption. / Simulation result. / Tracking accuracy. / Tracking networks. / Tracking scheme. / Tracking time. / Tracking time interval. / Adaptive algorithms. / Electric power utilization. / Sensor networks. / Wireless sensor networks. / Target tracking.

Evaluating Cu2SnS3nanoparticle layers as hole-transporting materials in perovskite solar cells

Author

Heidariramsheh, M.

Publisher

American Chemical Society,

Pub. Year

2021

Subjects

Charge transfer. / Chlorine compounds. / Copper compounds. / Energy gap. / Nanocrystalline materials. / Nanoparticles. / Perovskite. / Sulfur. / Tin compounds. / Zinc sulfide. / Crystalline phase. / External quantum efficiency. / Hole-transporting materials. / Impedance spectroscopy. / Morphological characteristic. / Nanoparticle (NPs) / Photovoltaic performance. / Wurtzite structure. / Perovskite solar cells.

Development of a triple-cation Ruddlesden–Popper perovskite structure with various morphologies for solar cell applications

Author

Mirhosseini, M.

Publisher

Springer,

Pub. Year

2020

Subjects

Crystal atomic structure. / Efficiency. / Electric resistance. / Fatty acids. / Field emission microscopes. / Optical properties. / Perovskite. / Photoluminescence. / Positive ions. / Scanning electron microscopy. / External quantum efficiency. / Field emission scanning electron microscopy. / Perovskite crystal structure. / Perovskite structures. / Photoluminescence spectrum. / Photovoltaic performance. / Power conversion efficiencies. / Solar-cell applications. / Perovskite solar cells.

Modified antisolvent method for improving the performance and stability of triple-cation perovskite solar cells

Author

Samadpour, M.

Publisher

American Chemical Society,

Pub. Year

2021

Subjects

Layers. / Perovskites. / Solar cells. / Silicon. / Electrochemical cells.

Joint optimization of power allocation and relay deployment in wireless sensor networks

Author

Abdizadeh, M.

Pub. Year

2010

Subjects

Cooperative wireless sensor networks. / Decode-and-forward (DF) / Relay deployment. / Cluster-based. / Co-operative diversity. / Deployment scenarios. / Geographical information. / Joint optimization. / Multihop. / Optimal power allocation. / Power allocations. / Relay selection. / Similar analysis. / Simulation result. / Symbol error probability. / Computer simulation. / Network protocols. / Optimization. / Probability. / Sensor networks. / Wireless telecommunication systems. / Wireless sensor networks.

Multiuser precoding and power allocation in downlink of cooperative CDMA networks

Author

Abdizadeh, M.

Pub. Year

2009

Subjects

CDMA networks. / Direct sequence code division multiple access systems. / Downlink communications. / Minimum mean-square error. / Mobile terminal. / Multi-user. / Multi-user precoding. / Performance Gain. / Power allocations. / Simulation result. / Spatial processing. / Synchronous DS-CDMA. / Total power. / Transmission power. / Transmission power control. / Transmitter precoding. / Beamforming. / Code division multiple access. / Computer terminals. / Dielectric relaxation. / Direct sequence systems. / Mobile phones. / Radio interference. / Transmitters. / Turbo codes. / Wireless networks. / Multiple access interference.

Cooperative communication with power allocation in downlink CDMA networks

Author

Abdizadeh, M.

Pub. Year

2009

Subjects

Cooperative communication. / Direct sequence code division multiple access. / Downlink CDMA. / Downlink communications. / Maximum ratio combining. / Mobile terminal. / Multi-user precoding. / Optimal transmission. / Performance Gain. / Power allocation strategies. / Power allocations. / Spatial diversity. / Total power. / Transmission power. / Beamforming. / Code division multiple access. / Signal to noise ratio. / Turbo codes. / Wireless sensor networks. / Communication.

Investigation of discontinuously reinforced aluminium metal matrix composite fabricated by two different micron ceramic reinforcements (ZrSiO4, B4C): Comparative study

Author

Shirvanimoghaddam, K.

Publisher

Slovenska Akademia Vied,

Pub. Year

2015

Subjects

Aluminium matrix composites. / B4C. / Reinforcement. / ZrSiO4.

The effects of nano Mgo on physical and mechanical properties of Al 2O3-SiC composites

Author

Nemati, A.

Pub. Year

2012

Subjects

Additive. / Nanocomposite. / Abnormal grain growth. / Alumina grains. / Argon atmospheres. / Fracture surfaces. / Graphite furnaces. / High pressure. / High temperature. / Low temperatures. / MgO. / Microstructural analysis. / Microstructural observations. / Nano-scale SiC. / Physical and mechanical properties. / Sintered samples. / Strength and toughness. / Uniaxial compaction. / Vickers indentation method. / Additives. / Alumina. / Aluminum. / Density (specific gravity) / Electric furnaces. / Grain growth. / Mechanical properties. / Microstructure. / Nanocomposites. / Normal distribution. / Scanning electron microscopy. / Sintering. / Toughness. / Silicon carbide.

Effect of sintering temperature and siliconcarbide fraction on density, mechanical properties and fracture mode of alumina-silicon carbide micro/nanocomposites

Author

Rahimnejad Yazdi, A.

Pub. Year

2012

Subjects

Fracture mode. / Intergranular. / Nano powders. / Relative density. / SiC particles. / Sintering temperatures. / Theoretical density. / Transgranular. / Aluminum. / Density (specific gravity) / Fracture. / Hot pressing. / Scanning electron microscopy. / Silicon carbide. / Sintering. / Textures. / X ray diffraction analysis. / Sintered alumina.

Probability of missed detection as a criterion for receiver placement in MIMO PCL

Author

Majd, M. N.

Publisher

IEEE,

Pub. Year

2012

Subjects

Missed detections. / Multiple antenna. / Multiple receivers. / Passive radars. / Radar performance. / Receive antenna. / Receiving antennas. / MIMO radar.

An efficient method for the ring opening of epoxides with aromatic amines by Sb(III) chloride under microwave irradiation

Author

Ghazanfari, D.

Pub. Year

2008

Subjects

Epoxides. / β-amino alcohols. / Aromatic amines. / SbCl3.

Resource allocation for uav-enabled integrated sensing and communication (isac) via multi-objective optimization

Author

Rezaei, O.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2023

Subjects

Integrated sensing and communication (ISAC) / Unmanned aerial vehicle (UAV) / Waveform design. / Wireless power transfer (WPT)

MIMO radar signal design to improve the MIMO ambiguity function via maximizing its peak

Author

Chitgarha, M. M.

Publisher

Elsevier,

Pub. Year

2016

Subjects

Ambiguity function. / Multiple-Input Multiple-Output radar. / Power allocation. / Waterfilling. / Waveform design. / Codes (symbols) / Design. / Feedback control. / MIMO systems. / Radar. / Radar signal processing. / Radar systems. / Telecommunication repeaters. / Multiple input multiple output (MIMO) radars. / Power allocations. / MIMO radar.

Detection-localization tradeoff in MIMO radars

Author

Nazari Majd, M.

Pub. Year

2017

Subjects

Detection. / Localization. / MIMO radar. / Tradeoff. / Widely separated antennas.