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Mitsubishi Electric Research Laboratories
(95 results)-
White Papers
Performance Analysis of Beacon-Enabled IEEE 802.15.4 MAC for Emergency Response Applications
December 1, 2009, 12:00am PST
IEEE 802.15.4 standard provides a viable MAC and PHY specification for wireless sensor networks. Performance evaluation of these networks has been reported in literature. Previous works focus...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Leveraging Reliable Bits: ECC Design Consideration for Practical Secure Biometric Systems
December 1, 2009, 12:00am PST
It is well-known that a biometric fuzzy vault can be constructed by applying an Error Correcting Code (ECC) to a biometric signal. This is attractive because authentication only requires the check...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Multi-User Cooperative Communications With Relay-Coding for Uplink IMT-Advanced 4G Systems
December 1, 2009, 12:00am PST
Adoption of relay stations has been commonly accepted as a key technique for future IMT advanced 4G systems to improve the link performance. While study in relay systems is often carried out for...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
A New Coupling Channel Estimator for Cross-Talk Cancellation at Wireless Relay Stations
December 1, 2009, 12:00am PST
In this paper, the authors are concerned with cross-talk interference from the transmit to the receive antenna of a wireless Channel-Reuse-Relay-Station (CRRS) that forwards signals over the same...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Opportunistic Cell Edge Selection in Multi-Cell OFDMA Networks
December 1, 2009, 12:00am PST
The authors propose an intercell downlink Orthogonal Frequency Division Multiple Access (OFDMA) scheduling technique in a sectorized cellular network. Adjacent sectors from neighboring cells form...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Unified Analysis of Linear Block Precoding for Distributed Antenna Systems
December 1, 2009, 12:00am PST
Block transmission with cyclic prefix is a promising technique to realize high-speed data rates in frequency selective fading channels. Many popular linear precoding schemes, including Orthogonal...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Medium Access Control Signaling for Reliable Spectrum Agile Radios
December 1, 2009, 12:00am PST
The authors address the problem of collaborative sensing in cognitive radios. In a cognitive radio network, all the nodes may sense the spectrum simultaneously. They should then exchange their...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Error Control Strategies for WiMAX Multi-Hop Relay Networks
December 1, 2009, 12:00am PST
Next generation wireless system such as advanced WiMAX (i.e. IEEE802.16m) and LTE advanced will fully embrace multi-hop relay architecture. The conventional Automatic Repeat reQuest (ARQ) and the...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Secure Distortion Computation Among Untrusting Parties Using Homomorphic Encryption
December 1, 2009, 12:00am PST
The process of comparing two signals to determine whether they are similar or different is a key operation in numerous electrical engineering systems. For instance, in image processing, one may be...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Object Detection Via Boosted Deformable Features
December 1, 2009, 12:00am PST
It is a common practice to model an object for detection tasks as a boosted ensemble of many models built on features of the object. In this paper, features are defined as subregions with fixed...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Codebook-Based Quantized MIMO Feedback for Closed-Loop Transmit Precoding
December 1, 2009, 12:00am PST
Advanced quantization schemes are proposed for closed-loop transmits precoding over correlated Multiple-Input Multiple-Output (MIMO) channels in this work. Unlike the conventional schemes that...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Parametric Compression of Rank-1 Analog Feedback in MIMO-OFDM
December 1, 2009, 12:00am PST
The authors consider the problem of Channel State Information (CSI) transmission on a fast feedback link for a Multiuser-MIMO OFDM system. They compare codebook based feedback with analog based...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Secure Function Evaluation Based on Secret Sharing and Homomorphic Encryption
December 1, 2009, 12:00am PST
Consider the following problem in secure multiparty computation: Alice and Bob posses integers X and y respectively. Charlie is a researcher who would like to compute the value of some function...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Fast Handover Between WiMAX and WiFi Networks in Vehicular Environment
November 1, 2009, 12:00am PDT
Fast handover is crucial to provide the best services to mobile users in vehicular environment. WiMAX and WiFi support mobility in vehicular speed. However, WiMAX and WiFi network entry processes...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Regressed Importance Sampling on Manifolds for Efficient Object Tracking
November 1, 2009, 12:00am PDT
In this paper, a new integrated particle filter is proposed for video object tracking. After particles are generated by importance sampling, each particle is regressed on the transformation space...
Provided by Mitsubishi Electric
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White Papers
Depth Reconstruction Filter and Down/Up Sampling for Depth Coding in 3D Video
July 1, 2009, 12:00am PDT
Depth images represent Three-Dimensional (3D) scene information and are commonly used for Depth Image Based Rendering (DIBR) to support 3D video and free-viewpoint video applications. The virtual...
Provided by Mitsubishi Electric
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White Papers
Intermediate View Generation for Perceived Depth Adjustment of Stereo Video
January 1, 2011, 12:00am PST
There is significant industry activity on delivery of 3D video to the home. It is expected that 3D capable devices will be able to provide consumers with the ability to adjust the depth perceived...
Provided by Mitsubishi Electric
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White Papers
Dual Power Multiple Access With Multipacket Reception Using Local CSI
January 1, 2010, 12:00am PST
Contention-based multiple access is a crucial component of many wireless systems. Multiple-Packet Reception (MPR) schemes that use interference cancellation technique to receive and decode...
Provided by Mitsubishi Electric
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White Papers
Invertible Motion Blur in Video
September 1, 2009, 12:00am PDT
The authors show that motion blur in successive video frames is invertible even if the Point-Spread Function (PSF) due to motion smear in a single photo is non-invertible. Blurred photos exhibit...
Provided by Mitsubishi Electric
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White Papers
Optical Performance Monitoring Via Histogram: A Data-Driven Approach
September 1, 2009, 12:00am PDT
The authors apply three alternative statistical learning methods to estimate optical transmission impairments (e.g., noises, chromatic dispersion) from synchronous histograms. Linear regression...
Provided by Mitsubishi Electric
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White Papers
Geometric Sequence (GS) Imaging With Bayesian Smoothing for Optical and Capacitive Imaging Sensors
July 1, 2009, 12:00am PDT
In this paper, the authors introduce a novel technique called Geometric Sequence (GS) imaging, specifically for the purpose of low power and light weight tracking in human computer interface...
Provided by Mitsubishi Electric
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White Papers
3D Pose Estimation and Segmentation Using Specular Cues
September 1, 2009, 12:00am PDT
The authors demonstrated that specular reflections can be used for localization and pose estimation of specular objects using a known CAD model. They showed that simple feature/ intensity matching...
Provided by Mitsubishi Electric
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White Papers
Analysis, Insights and Generalization of a Fast Decentralized Relay Selection Mechanism
September 1, 2009, 12:00am PDT
Relay selection for cooperative communications has attracted considerable research interest recently. While several criteria have been proposed for selecting one or more relays and analyzed,...
Provided by Mitsubishi Electric
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White Papers
Optimization of Split-and-Combine Relaying
September 1, 2009, 12:00am PDT
Relays play an important role for increasing rate and reducing energy consumption of wireless networks. In this paper the authors consider a three-node network (source, relay, and destination) in...
Provided by Mitsubishi Electric
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White Papers
A Graph Approach to Dynamic Fractional Frequency Reuse (FFR) in Multi-Cell OFDMA Networks
July 1, 2009, 12:00am PDT
A graph-based framework for dynamic Fractional Frequency Reuse (FFR) in multi-cell OFDMA networks is proposed in this work. FFR is a promising resource allocation technique that can effectively...
Provided by Mitsubishi Electric
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White Papers
Pilot Matrix Design for Interim Channel Estimation in Two-Hop MIMO AF Relay Systems
September 1, 2009, 12:00am PDT
In this paper, the authors are concerned with a two-hop Multi-Input-Multi-Output (MIMO) Amplify-and-Forward (AF) relay system consisting of a Source Node (SN), a Relay Node (RN), and a Destination...
Provided by Mitsubishi Electric
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White Papers
QoS/QoE Techniques for IPTV Transmissions
August 1, 2009, 12:00am PDT
Internet Protocol TV (IPTV) has recently gained momentum as one of the key applications in the telecommunications market. Most researchers believe that IPTV service represents a key opportunity...
Provided by Mitsubishi Electric
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White Papers
Semi-Supervised Information Extraction From Variable-Length Web-Page Lists
May 1, 2009, 12:00am PDT
Modern information systems integrate, aggregate, and manage information from a large number of sources, such as databases, user input, sensors, remote web services provided by other information...
Provided by Mitsubishi Electric
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White Papers
Hole-Filling Method Using Depth Based In-Painting for View Synthesis in Free Viewpoint Television (FTV) and 3D Video
June 1, 2009, 12:00am PDT
Depth Image-Based Rendering (DIBR) is generally used to synthesize a virtual view in Free Viewpoint Television (FTV) and 3D video. One of the key techniques in DIBR is how to fill the holes caused...
Provided by Mitsubishi Electric
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White Papers
Static Power Allocation in Two-Hop MIMO Amplify-and-Forward Relay Systems
June 1, 2009, 12:00am PDT
In this paper, the authors propose a static power allocation algorithm for a two-hop Multi-Input-Multi-Output (MIMO) Amplify-and-Forward (AF) relay system in which the interim channel state...
Provided by Mitsubishi Electric
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White Papers
A New Method for Tracking Performance Evaluation Based on a Reflective Model and Perturbation Analysis
May 1, 2009, 12:00am PDT
In this paper, the authors present a novel methodology for tracking performance evaluation. Considering the continuity of the image sequences in a video, they define a new measurement called...
Provided by Mitsubishi Electric
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White Papers
Fast Multiple Access Selection Through Variable Power Transmissions
June 1, 2009, 12:00am PDT
Many wireless applications demand a fast mechanism to detect the packet from a node with the highest priority ("Best node") only, while packets from nodes with lower priority are irrelevant. In...
Provided by Mitsubishi Electric
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White Papers
NLOS Channel Identification and Mitigation in UltraWideband ToA-Based Wireless Sensor Networks
March 1, 2009, 12:00am PST
Recently, Ultra Wideband (UWB) Time of Arrival (ToA)-based localization in Wireless Sensor Networks (WSNs) have received considerable attention. For a typical WSN operating in indoor environments,...
Provided by Mitsubishi Electric
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White Papers
Implementation of a Cooperative MAC Protocol: Performance and Challenges in Real Environment
July 1, 2009, 12:00am PDT
Cooperative communication is a buzz word in research community today. It enables nodes to achieve spatial extensive investigations have been directed to closely examine its performance by means of...
Provided by Mitsubishi Electric
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White Papers
UWB Systems For Wireless Sensor Networks
March 1, 2009, 12:00am PST
Wireless sensor networks are emerging as an important area for communications. They enable a wealth of new applications including surveillance, building control, factory automation, and in-vehicle...
Provided by Mitsubishi Electric
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White Papers
Securing Biometric Data
April 1, 2009, 12:00am PDT
This paper discusses the application of distributed source coding techniques to biometric security. A Slepian-Wolf coding system is used to provide a secure means of storing biometric data that...
Provided by Mitsubishi Electric
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White Papers
Spatial Diversity and Spatial Correlation Evaluation of Measured Vehicle-to-Vehicle Radio Channels at 5.2 GHz
January 1, 2009, 12:00am PST
In this paper, the authors estimate the spatial diversity order and spatial correlations from channel sounder measurements of doubly-selective vehicle-to-vehicle MIMO radio channels in the 5.2 GHz...
Provided by Mitsubishi Electric
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White Papers
Shield Fields: Modeling and Capturing 3D Occluders
December 1, 2008, 12:00am PST
The authors describe a unified representation of occluders in light transport and photography using shield fields: the 4D attenuation function which acts on any light field incident on an...
Provided by Mitsubishi Electric
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White Papers
Modified Beacon-Enabled IEEE 802.15.4 MAC for Lower Latency
December 1, 2008, 12:00am PST
Industrial sensing, monitoring and automation offer a lucrative application domain for networking and communications. Wired sensor networks have traditionally been used for these applications...
Provided by Mitsubishi Electric
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White Papers
Impact of Mobility on the Behavior of Interference in Cellular Wireless Networks
December 1, 2008, 12:00am PST
In this paper, the impact of mobility is investigated in low-speed environments such as femtocells and picocells for wireless networks. Given that there is interference on the uplink of a FDD...
Provided by Mitsubishi Electric
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White Papers
Fast Handover Between WiMAX and WiFi Networks in Vehicular Environment
November 1, 2009, 12:00am PDT
Fast handover is crucial to provide the best services to mobile users in vehicular environment. WiMAX and WiFi support mobility in vehicular speed. However, WiMAX and WiFi network entry processes...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Secure Function Evaluation Based on Secret Sharing and Homomorphic Encryption
December 1, 2009, 12:00am PST
Consider the following problem in secure multiparty computation: Alice and Bob posses integers X and y respectively. Charlie is a researcher who would like to compute the value of some function...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Parametric Compression of Rank-1 Analog Feedback in MIMO-OFDM
December 1, 2009, 12:00am PST
The authors consider the problem of Channel State Information (CSI) transmission on a fast feedback link for a Multiuser-MIMO OFDM system. They compare codebook based feedback with analog based...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Codebook-Based Quantized MIMO Feedback for Closed-Loop Transmit Precoding
December 1, 2009, 12:00am PST
Advanced quantization schemes are proposed for closed-loop transmits precoding over correlated Multiple-Input Multiple-Output (MIMO) channels in this work. Unlike the conventional schemes that...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Object Detection Via Boosted Deformable Features
December 1, 2009, 12:00am PST
It is a common practice to model an object for detection tasks as a boosted ensemble of many models built on features of the object. In this paper, features are defined as subregions with fixed...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Secure Distortion Computation Among Untrusting Parties Using Homomorphic Encryption
December 1, 2009, 12:00am PST
The process of comparing two signals to determine whether they are similar or different is a key operation in numerous electrical engineering systems. For instance, in image processing, one may be...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Error Control Strategies for WiMAX Multi-Hop Relay Networks
December 1, 2009, 12:00am PST
Next generation wireless system such as advanced WiMAX (i.e. IEEE802.16m) and LTE advanced will fully embrace multi-hop relay architecture. The conventional Automatic Repeat reQuest (ARQ) and the...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Medium Access Control Signaling for Reliable Spectrum Agile Radios
December 1, 2009, 12:00am PST
The authors address the problem of collaborative sensing in cognitive radios. In a cognitive radio network, all the nodes may sense the spectrum simultaneously. They should then exchange their...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Unified Analysis of Linear Block Precoding for Distributed Antenna Systems
December 1, 2009, 12:00am PST
Block transmission with cyclic prefix is a promising technique to realize high-speed data rates in frequency selective fading channels. Many popular linear precoding schemes, including Orthogonal...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Opportunistic Cell Edge Selection in Multi-Cell OFDMA Networks
December 1, 2009, 12:00am PST
The authors propose an intercell downlink Orthogonal Frequency Division Multiple Access (OFDMA) scheduling technique in a sectorized cellular network. Adjacent sectors from neighboring cells form...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
A New Coupling Channel Estimator for Cross-Talk Cancellation at Wireless Relay Stations
December 1, 2009, 12:00am PST
In this paper, the authors are concerned with cross-talk interference from the transmit to the receive antenna of a wireless Channel-Reuse-Relay-Station (CRRS) that forwards signals over the same...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Multi-User Cooperative Communications With Relay-Coding for Uplink IMT-Advanced 4G Systems
December 1, 2009, 12:00am PST
Adoption of relay stations has been commonly accepted as a key technique for future IMT advanced 4G systems to improve the link performance. While study in relay systems is often carried out for...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Leveraging Reliable Bits: ECC Design Consideration for Practical Secure Biometric Systems
December 1, 2009, 12:00am PST
It is well-known that a biometric fuzzy vault can be constructed by applying an Error Correcting Code (ECC) to a biometric signal. This is attractive because authentication only requires the check...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
Performance Analysis of Beacon-Enabled IEEE 802.15.4 MAC for Emergency Response Applications
December 1, 2009, 12:00am PST
IEEE 802.15.4 standard provides a viable MAC and PHY specification for wireless sensor networks. Performance evaluation of these networks has been reported in literature. Previous works focus...
Provided by Mitsubishi Electric Research Laboratories
-
White Papers
TV Architecture Supporting Multiple 3D Services
March 1, 2010, 12:00am PST
This paper describes changes to the television architecture to support 3D video, with emphasis on the receiver and display processor. It is expected that multiple 3D services will be available in...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Alignment and Bit Extraction for Secure Fingerprint Biometrics
February 1, 2010, 12:00am PST
Security of biometric templates stored in a system is important because a stolen template can compromise system security as well as user privacy. Therefore, a number of secure biometrics schemes...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
QRD-Based Precoded MIMO-OFDM Systems With Reduced Feedback
March 1, 2010, 12:00am PST
QR Decomposition (QRD)-based precoded MIMO-OFDM systems with reduced feedback are proposed to convert the MIMO-OFDM channel into layered subchannels. QRD-M is further combined with either Singular...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Optimized Opportunistic Multicast Scheduling (OMS) Over Wireless Cellular Networks
March 1, 2010, 12:00am PST
Optimized Opportunistic Multicast Scheduling (OMS) is studied for cellular networks, where the problem of efficiently transmitting a common set of fountain-encoded data from a single base station...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Hiding Information Inside Structured Shapes
March 1, 2010, 12:00am PST
This paper describes a new technique for embedding a message within structured shapes. It is desired that one changes in the shape owing to the embedded message are invisible to a casual observer...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Privacy and Security of Features Extracted From Minutiae Aggregates
March 1, 2010, 12:00am PST
This paper describes the authors' recent analysis on the security and privacy of biometric feature vectors obtained from fingerprint minutiae. A large number of contiguous regions (cuboids) are...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
QoS Harmonization for Home Networks
April 1, 2010, 12:00am PDT
A modern home could contain a large variety of devices and all of them should be able to work together so as to bring a rich experience to the users. Quality of Service (QoS) is a critical factor...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Differentiable Spectrum Partition for Fractional Frequency Reuse in Multi-Cell OFDMA Networks
June 1, 2010, 12:00am PDT
To mitigate Inter-Cell Interference (ICI) and achieve higher spectrum efficiency, Fractional Frequency Reuse (FFR) has been widely adopted by the next generation wireless systems, wherein...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Multi-Antenna Analog Network Coding for Multi-Hop Wireless Networks
June 1, 2010, 12:00am PDT
This paper proposes a Minimum Mean-Square-Error Bi-directional Amplify-and-Forward (MMSEBAF) relaying protocol for multi-hop wireless networks employing multi-antenna relays. MMSEBAF is a...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Multi-Class Batch-Mode Active Learning for Image Classification
July 1, 2010, 12:00am PDT
Accurate image classification is crucial in many robotics and surveillance applications - for example, a vision system on a robot needs to accurately recognize the objects seen by its camera....
Provided by Mitsubishi Electric Research Laboratories
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White Papers
RPL Based Routing for Advanced Metering Infrastructure in Smart Grid
July 1, 2010, 12:00am PDT
In this paper, the authors present a routing protocol design and implementation for the Advanced Metering Infrastructure (AMI) in Smart Grid. The proposed protocol implementation is based on the...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
A Complete Characterization of an Optimal Timer Based Scheme
July 1, 2010, 12:00am PDT
Timer-based mechanisms are often used in several wireless systems to help a given (sink) node select the best helper node among many available nodes. Specifically, a node transmits a packet when...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Adaptive Probabilistic Decision-Based Energy Saving Strategy for the Next Generation Cellular Wireless Systems
July 1, 2010, 12:00am PDT
As Mobile Stations (MSs) in the next generation cellular wireless systems will more frequently operate on multiple applications, such as web browsing, VoIP, online video etc., energy saving...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Subcarrier Spreading for ICI Mitigation in OFDM/OFDMA Systems
July 1, 2010, 12:00am PDT
Two of the major challenges facing OFDM/OFDMA systems are their sensitivity to frequency selective fading and ICI due to CFO or Doppler shift, especially when the subcarrier spacing becomes...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Clustering Based Fractional Frequency Reuse and Fair Resource Allocation in Multi-Cell Networks
July 1, 2010, 12:00am PDT
Fractional Frequency Reuse (FFR), using different frequency reuse factors for cell center and edge regions, is able to effectively improve spectrum efficiency in multi-cell OFDMA networks....
Provided by Mitsubishi Electric Research Laboratories
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White Papers
RelCom: Relational Combinatorics Features for Rapid Object Detection
July 1, 2010, 12:00am PDT
The authors present a simple yet elegant feature, RelCom, and a boosted selection method to achieve a very low complexity object detector. They generate combinations of low-level feature...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Morphable Reflectance Fields for Enhancing Face Recognition
July 1, 2010, 12:00am PDT
In this paper, the authors present a novel framework to address the confounding effects of illumination variation in face recognition. By augmenting the gallery set with realistically relit...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Breaking the Interactive Bottleneck in Multi-Class Classification With Active Selection and Binary Feedback
July 1, 2010, 12:00am PDT
Multi-class classification schemes typically require human input in the form of precise category names or numbers for each example to be annotated - providing this can be impractical for the user...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
A Synchronization Design for UWB-Based Wireless Multimedia Systems
June 1, 2010, 12:00am PDT
Multi-Band Orthogonal Frequency-Division Multiplexing (MB-OFDM) Ultra-WideBand (UWB) technology offers large throughput, low latency and has been adopted in wireless Audio/Video (AV) network...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
A Modified Beacon-Enabled IEEE 802.15.4 MAC Emergency Response Applications
July 1, 2010, 12:00am PDT
IEEE 802.15.4 specification for MAC and PHY offers a standard for general purpose wireless sensor networks. The TG4e of IEEE 802.15 is currently engaged in defining a specification particularly...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
The Relay Selection and Transmission Trade-Off in Cooperative Communication Systems
August 1, 2010, 12:00am PDT
A common and practical paradigm in cooperative communication systems is the use of a dynamically selected best relay to decode and forward information from a source to a destination. Such systems...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Wireless Power Transmission Efficiency Enhancement With Metamaterials
September 1, 2010, 12:00am PDT
In this paper, a wireless power transfer system with magnetically coupled resonators is studied. The idea to use metamaterials to enhance the coupling coefficient and the transfer efficiency is...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
P2Pi: A Minimal Solution for Registration of 3D Points to 3D Planes
November 1, 2010, 12:00am PDT
This paper presents a class of minimal solutions for the 3D-to-3D registration problem in which the sensor data are 3D points and the corresponding object data are 3D planes. In order to compare...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Electric Vehicles Network With Nomadic Portable Charging Stations
September 1, 2010, 12:00am PDT
A novel concept of portable charging station networks to serve Electric Vehicles is described. An optimum charging station deployment method is explained, and its performance has been simulated...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Joint Carrier Frequency Offset and Channel Estimation for Uplink MIMO-OFDMA Systems Using Parallel Schmidt Rao-Blackwellized Particle Filters
November 1, 2010, 12:00am PDT
Joint Carrier Frequency Offset (CFO) and channel estimation for uplink MIMO-OFDMA systems over time-varying channels is investigated. To cope with the prohibitive computational complexity involved...
Provided by Mitsubishi Electric Research Laboratories
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White Papers
Off-Grid Portable EV Charging Network Management With Dynamic Energy Pricing
November 1, 2010, 12:00am PDT
With emerging of Electric Vehicles (EV), Portable Charging Stations (PCSs) will play a key role to manage EV charging operations off-grid. Otherwise, charging hundreds of EVs at random locations...
Provided by Mitsubishi Electric Research Laboratories
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