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# IEEE Transactions on Vehicular Technology

## Filter Results

Displaying Results 1 - 25 of 69

Publication Year: 2008, Page(s):C1 - C4
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• ### IEEE Transactions on Vehicular Technology publication information

Publication Year: 2008, Page(s): C2
| PDF (39 KB)
• ### Fading Channel Modeling via Variable-Length Markov Chain Technique

Publication Year: 2008, Page(s):1338 - 1358
Cited by:  Papers (8)
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Channel characterization and modeling are essential to the wireless communication system design. A model that optimally represents a fading channel with a variable-length Markov chain (VLMC) is proposed in this paper. A VLMC offers a general class of Markov chains whose structure has a variable order and a parsimonious number of transition probabilities. The proposed model consists of two main com... View full abstract»

• ### Statistical Analysis of UWB Channel Correlation Functions

Publication Year: 2008, Page(s):1359 - 1373
Cited by:  Papers (25)
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Various performance metrics of impulse-radio (IR) ultrawideband (UWB) receivers are closely connected to the correlation functions of the multipath channel responses to UWB pulses. Interpulse interference is related to the autocorrelation function (ACF) of the received pulse (RP), the RP energy and its fading correspond to the ACF at zero lag, and multiple access interference is connected to the c... View full abstract»

• ### Outdoor-to-Indoor Office MIMO Measurements and Analysis at 5.2 GHz

Publication Year: 2008, Page(s):1374 - 1386
Cited by:  Papers (29)
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The outdoor-to-indoor wireless propagation channel is of interest for cellular and wireless local area network applications. This paper presents the measurement results and analysis based on our multiple-input-multiple-output (MIMO) measurement campaign, which is one of the first to characterize the outdoor-to-indoor channel. The measurements were performed at 5.2 GHz; the receiver was placed indo... View full abstract»

• ### Analysis and Architecture Design of a Downlink $M$-Modification MC-CDMA System Using the Tomlinson–Harashima Precoding Technique

Publication Year: 2008, Page(s):1387 - 1397
Cited by:  Papers (7)
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This paper investigates the feasibility of applying Tomlinson-Harashima precoding (THP) to multicarrier code-division multiple-access (MC-CDMA) system downlinks, in which multiple-access interference and possible complexity in the mobile terminal (MT) are major burdens. A THP based on the minimum mean-square error (MMSE) criterion is also presented, making it possible to realize a low-complexity r... View full abstract»

• ### Design of a Shape-Constrained Dual-Band Polygonal Monopole for Car Roof Mounting

Publication Year: 2008, Page(s):1398 - 1403
Cited by:  Papers (8)
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This paper describes the design of a new compact dual-band roof antenna (which is capable of operating in both U.S. and European mobile telephone bands) for automotive applications. The flipper shape of the antenna and its dimensional constrains are chosen according to prevailing automotive market trends. The chosen basic geometry of the radiating element is a planar printed monopole structured as... View full abstract»

• ### A Simulation Tool to Predict the Impact of Soil Topologies on Coupling Between a Light Rail System and Buried Third-Party Infrastructure

Publication Year: 2008, Page(s):1404 - 1416
Cited by:  Papers (15)
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The production of stray currents by DC light rail systems leads to the corrosion of the supporting and third-party infrastructure in close proximity to the rail system. This paper simulates two parallel tracks that are occupied by two trains: one on each track. This type of modeling constitutes a case study that is utilized to investigate the effect of soil topologies on the corrosion performance ... View full abstract»

• ### License Plate Localization and Character Segmentation With Feedback Self-Learning and Hybrid Binarization Techniques

Publication Year: 2008, Page(s):1417 - 1424
Cited by:  Papers (50)  |  Patents (11)
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License plate localization (LPL) and character segmentation (CS) play key roles in the license plate (LP) recognition system. In this paper, we dedicate ourselves to these two issues. In LPL, histogram equalization is employed to solve the low-contrast and dynamic-range problems; the texture properties, e.g., aspect ratio, and color similarity are used to locate the LP; and the Hough transform is ... View full abstract»

• ### Battery Management System Based on Battery Nonlinear Dynamics Modeling

Publication Year: 2008, Page(s):1425 - 1432
Cited by:  Papers (88)
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This paper presents a method of determining electromotive force and battery internal resistance as time functions, which are depicted as functions of state of charge (SOC) because . The model is based on battery discharge and charge characteristics under different constant currents that are tested by a laboratory experiment. This paper further presents the method of determining the battery SOC acc... View full abstract»

• ### A General Approach to Energy Optimization of Hybrid Electric Vehicles

Publication Year: 2008, Page(s):1433 - 1441
Cited by:  Papers (48)
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This paper approaches the problem of optimizing energy consumption onboard hybrid vehicles in a general way, considering the main issues to be solved in their conceptuality and, therefore, that are often abstracted from the actual structure of the particular drive train that the authors considered. The methods that were described are a harmonization of those used by the authors over the last sever... View full abstract»

• ### Efficient Drive Cycle Simulation

Publication Year: 2008, Page(s):1442 - 1453
Cited by:  Papers (19)  |  Patents (1)
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Drive cycle simulations of longitudinal vehicle models are important aids for the design and analysis of power trains, and tools currently on the market mainly use two different methods for such simulations: the forward dynamic and quasi-static inverse simulations. Here, a known theory for the stable inversion of nonlinear systems is used to combine the fast simulation times of the quasi-static in... View full abstract»

• ### An Integrated Starter–Alternator and Low-Cost High-Performance Drive for Vehicular Applications

Publication Year: 2008, Page(s):1454 - 1465
Cited by:  Papers (14)  |  Patents (1)
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This paper designs and implements an electromechanical propulsion system for a 42-V battery-sourced integrated starter-alternator (ISA) using an indirect-field-oriented (IFO) controller with a speed sensor on the shaft of the machine. The design aspects of the ISA energy conversion system are discussed, with emphasis on the motor selection and comparison of various candidate machines, power electr... View full abstract»

• ### Design and Implementation of Subspace-Based Speech Enhancement Under In-Car Noisy Environments

Publication Year: 2008, Page(s):1466 - 1479
Cited by:  Papers (1)
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In this paper, a new subspace-based speech enhancement model is presented for in-car speech enhancement. To effectively suppress background noise, this model incorporates a perceptual filterbank and an auditory gain adaptation derived from a psychoacoustic model into a signal subspace approach. The projection approximation subspace tracking deflation (PASTd) algorithm is used to track the signal s... View full abstract»

• ### Performance Analysis of Multiuser DS-CDMA in MIMO Systems Over Rayleigh Fading Channels

Publication Year: 2008, Page(s):1480 - 1493
Cited by:  Papers (13)
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The performance of space-time transmit diversity is examined in a multiuser direct-sequence code-division multiple-access (DS-CDMA) system over fast- and slow-fading channels. The underlying space-time system employs transmit antennas and receive antennas at the mobile user and receiver base station, respectively. We consider the performance of the space-time multiuser system when using the linear... View full abstract»

• ### Adaptive Subcarrier Allocation in Synchronous Reverse Links of a Multicarrier CDMA System with Time and Frequency Spreading

Publication Year: 2008, Page(s):1494 - 1501
Cited by:  Papers (14)
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Multicarrier code-division multiple access (CDMA) with time and frequency spreading has been recently considered as a candidate for fourth-generation (4G) wireless systems. This signaling scheme simultaneously utilizes code spreading in the time and frequency domains to simultaneously improve frequency diversity and minimize multiuser access interference. As a result, it is capable of outperformin... View full abstract»

• ### Exact Outage Probability Analysis for a Multiuser MIMO Wireless Communication System With Space–Time Block Coding

Publication Year: 2008, Page(s):1502 - 1512
Cited by:  Papers (8)
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A multiuser multiple-input-multiple-output (MIMO) system with orthogonal space-time block coding (OSTBC) is analyzed for the uplink of a wireless communication system in a Rayleigh fading environment. In the first part of this paper, a simple and exact closed-form expression for the outage probability of the signal-to-interference-and-noise ratio (SINR) is derived at the input of the base station ... View full abstract»

• ### Effects of Subcarrier Power Allocation on an Interference Avoidance Code Assignment Strategy for Multirate MC-DS-CDMA Systems

Publication Year: 2008, Page(s):1513 - 1526
Cited by:  Papers (8)
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In this paper, we propose a joint subcarrier power allocation (SPA) and code assignment scheme for the synchronous multirate multicarrier direct-sequence code-division multiple-access (MC-DS-CDMA) system with time- and frequency-domain spreadings. Based on the newly defined metric multiple-access interference (MAI) coefficient, the proposed code assignment strategy can quantitatively predict the i... View full abstract»

• ### UWB Direct Chaotic Communication Technology for Low-Rate WPAN Applications

Publication Year: 2008, Page(s):1527 - 1536
Cited by:  Papers (53)
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The goal of this paper is to describe the design of an ultrawideband (UWB) system that is optimized for low-complexity, low-power, low-cost, and low-rate wireless personal area network applications. To this aim, we propose a system based on novel direct chaotic communication (DCC) technology, in which a 2-GHz-wide chaotic signal is directly generated into the lower band of the UWB spectrum. Based ... View full abstract»

• ### Constrained Detection for Spatial-Multiplexing Multiple-Input–Multiple-Output Systems

Publication Year: 2008, Page(s):1537 - 1547
Cited by:  Papers (4)
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A family of detectors that exploit signal constraints is developed for maximum-likelihood detection for multiple-input-multiple-output (MIMO) systems. Real constrained detectors and decision-feedback detectors are proposed for real constellations by forcing the relaxed solution to be real. A generalized minimum mean square error (GMMSE) and constrained least squares MIMO detectors are also develop... View full abstract»

• ### Performance Analysis of Transmitter-Side Cooperation–Receiver-Side-Relaying Schemes for Heterogeneous Sensor Networks

Publication Year: 2008, Page(s):1548 - 1563
Cited by:  Papers (14)
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In this paper, we present two physical layer cooperative protocols for heterogeneous sensor networks. There is one cooperator near the transmitter and a second cooperator (as a relay) near the receiver. Although the focus is on heterogeneous sensor networks, the methods can be applied to homogeneous sensor networks as well. Analytical and simulation results show that, under an additive white Gauss... View full abstract»

• ### Analytical Framework for Optimal Combining With Arbitrary-Power Interferers and Thermal Noise

Publication Year: 2008, Page(s):1564 - 1575
Cited by:  Papers (10)
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The performance of multiple-input-multiple-output systems with optimum combining (OC) is studied in a Rayleigh fading environment with arbitrary-power cochannel interference and thermal noise. Based on the joint eigenvalue distributions of quadratic functions of complex Gaussian matrices, a closed-form expression for the exact distribution of the output signal-to-interference-plus-noise ratio (SIN... View full abstract»

• ### Breadth-First Signal Decoder: A Novel Maximum-Likelihood Scheme for Multi-Input–Multi-Output Systems

Publication Year: 2008, Page(s):1576 - 1584
Cited by:  Papers (18)  |  Patents (1)
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A number of decoding schemes have recently been proposed to perform maximum-likelihood (ML) detection for multi-input-multi-output (MIMO) systems. In this paper, employing a ldquobreadth-firstrdquo search algorithm for closet points in a lattice, we propose a novel ML decoding scheme called the breadth-first signal decoder (BSIDE). Through analysis and computer simulations, it is shown that the BS... View full abstract»

• ### MIMO Channel Estimation and Tracking Based on Polynomial Prediction With Application to Equalization

Publication Year: 2008, Page(s):1585 - 1595
Cited by:  Papers (5)
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This paper presents a multiple-input-multiple-output (MIMO) receiver design with integrated channel estimation and tracking for a time-varying frequency-selective Rician or Rayleigh fading environment. It first extends a polynomial-predictor-based channel estimation and tracking approach to a MIMO system. The structure and complexity of the estimator are similar to that of an optimum estimator usi... View full abstract»

• ### A Communication System Based on Walsh–Hadamard Codes and Constellations for Fading Environments

Publication Year: 2008, Page(s):1596 - 1605
Cited by:  Papers (4)
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In this paper, we investigate a new digital communication system based on Walsh-Hadamard codes. The modulator maps a uniformly distributed binary source to a set of symbols with a Gaussian-like distribution. These symbols are then mapped to a 2-D constellation in such a way that performance is improved when transmission occurs over Rayleigh fading channels. We assess the performance of these modul... View full abstract»

## Aims & Scope

IEEE Transactions on Vehicular Technology covers land, airborne, and maritime mobile services, vehicular electrotechnology, equipment, and systems identified with the automotive industry.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Nei Kato, Professor
Graduate School of Information Sciences (GSIS)
Tohoku University
Aramaki-Aoba 6-3-09, Aoba-ku, Sendai, 980-8579, JAPAN
Email: kato@it.is.tohoku.ac.jp