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# IEEE Transactions on Vehicular Technology

## Filter Results

Displaying Results 1 - 25 of 54

Publication Year: 2009, Page(s):C1 - C4
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• ### IEEE Transactions on Vehicular Technology publication information

Publication Year: 2009, Page(s): C2
| PDF (40 KB)
• ### The Fisher–Bingham Spatial Correlation Model for Multielement Antenna Systems

Publication Year: 2009, Page(s):2130 - 2136
Cited by:  Papers (12)
| | PDF (616 KB) | HTML

In this paper, we study the effect of the elevation of incoming multipaths at a multielement antenna receiver by using a novel 3-D approach. It is shown that under a more general 3-D angle-of-arrival (AoA) model, namely, the Fisher-Bingham five-parameter (FB5) distribution, the spatial fading correlation (SFC) that is experienced between the adjacent antenna array elements decreases as the elevati... View full abstract»

• ### Hybrid Excitation Synchronous Machines: Energy-Efficient Solution for Vehicles Propulsion

Publication Year: 2009, Page(s):2137 - 2149
Cited by:  Papers (150)
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In this paper, the suitability of a class of electric machines for vehicle traction applications is discussed. These machines, which are known as hybrid excitation synchronous machines, combine permanent-magnet (PM) excitation with wound field excitation. The goal behind the principle of hybrid excitation is to combine the advantages of PM excited machines and wound field synchronous machines. It ... View full abstract»

• ### DSP-Based Sensorless Electric Motor Fault Diagnosis Tools for Electric and Hybrid Electric Vehicle Powertrain Applications

Publication Year: 2009, Page(s):2150 - 2159
Cited by:  Papers (25)
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The integrity of electric motors in work and passenger vehicles can best be maintained by frequently monitoring its condition. In this paper, a signal processing-based motor fault diagnosis scheme is presented in detail. The practicability and reliability of the proposed algorithm are tested on rotor asymmetry detection at zero speed, i.e., at startup and idle modes in the case of a vehicle. Regul... View full abstract»

• ### Message Scheduling for the FlexRay Protocol: The Dynamic Segment

Publication Year: 2009, Page(s):2160 - 2169
Cited by:  Papers (55)  |  Patents (2)
| | PDF (633 KB) | HTML

The FlexRay communication protocol is expected to be the de facto standard for high-speed, in-vehicle communication. In this paper, we formally investigate the scheduling problem for the dynamic segment (DS) of FlexRay. We take the bounds on the generation times and the timing requirements of the signals into consideration to propose a reservation-based scheduling approach that preserves the flexi... View full abstract»

• ### Message Scheduling for the FlexRay Protocol: The Static Segment

Publication Year: 2009, Page(s):2170 - 2179
Cited by:  Papers (36)  |  Patents (2)
| | PDF (535 KB) | HTML

In recent years, time-triggered communication protocols have been developed to support time-critical applications for in-vehicle communication. In this respect, the FlexRay protocol is likely to become the de facto standard. In this paper, we investigate the scheduling problem of periodic signals in the static segment of FlexRay. We identify and solve two subprob... View full abstract»

• ### An Analytical Model for the Reverse Link of WCDMA Systems With Repeaters in Nonuniform Traffic Distributions

Publication Year: 2009, Page(s):2180 - 2190
Cited by:  Papers (1)
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The current extensive third generation network deployment has to cope with the existence of nonhomogeneous spatial traffic distributions, which are usually in the form of areas with high density of traffic. The concentration of users in some areas, particularly those far away from the base stations, can result in quality-of-service degradation due to high propagation losses. In this context, repea... View full abstract»

• ### Accurate Bit-Error-Rate Analysis of Bandlimited Cooperative OSTBC Networks Under Timing Synchronization Errors

Publication Year: 2009, Page(s):2191 - 2200
Cited by:  Papers (15)
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The distributed multiple-input-multiple-output (MIMO) system (e.g., intercluster communication via cooperating nodes in a wireless sensor network) is a topic of emerging interest. Many previous studies have assumed perfect synchronization among cooperating nodes and identically distributed communication links. Such assumptions are rarely valid in practical operating scenarios. This paper develops ... View full abstract»

• ### Joint Least Squares Estimation of Frequency, DC Offset, I-Q Imbalance, and Channel in MIMO Receivers

Publication Year: 2009, Page(s):2201 - 2213
Cited by:  Papers (15)  |  Patents (1)
| | PDF (378 KB) | HTML

Multiple-input-multiple-output (MIMO) receivers with direct-conversion radio-frequency (RF) architecture are investigated in this paper. Direct conversion is a low-cost RF design that requires fewer external components in chip implementation. Nevertheless, it introduces extra RF impairments such as I-Q imbalance and dc offset in addition to frequency offset that is commonly encountered in all RF a... View full abstract»

• ### Iterative Single-Antenna Interference Cancellation: Algorithms and Results

Publication Year: 2009, Page(s):2214 - 2224
Cited by:  Papers (9)
| | PDF (422 KB) | HTML

The capacity of cellular mobile communication systems can significantly be improved using single-antenna interference cancellation (SAIC) techniques. This paper analyzes several soft-input-soft-output (SISO) detectors in iterative SAIC receivers based on the turbo principle and compares their performances and complexities. Among them, the concurrent maximum a posteriori probability (MAP) receiver,... View full abstract»

• ### A Low-Complexity QoS-Aware Proportional Fair Multicarrier Scheduling Algorithm for OFDM Systems

Publication Year: 2009, Page(s):2225 - 2235
Cited by:  Papers (29)
| | PDF (978 KB) | HTML

Orthogonal frequency-division multiplexing (OFDM) systems are the major cellular platforms for supporting ubiquitous high-speed mobile applications. However, a number of research challenges remain to be tackled. One of the most important challenges is the design of a judicious packet scheduler that will make efficient use of the spectrum bandwidth. Due to the multicarrier nature of the OFDM system... View full abstract»

• ### Block-Based Performance Measures for MIMO OFDM Beamforming Systems

Publication Year: 2009, Page(s):2236 - 2248
Cited by:  Papers (10)
| | PDF (1053 KB) | HTML

In this paper, we consider an adaptive modulation system with multiple-input-multiple-output (MIMO) antennas in conjunction with orthogonal frequency-division multiplexing (OFDM) operating over frequency-selective Rayleigh fading environments. In particular, we consider a type of beamforming with a maximum ratio transmission/maximum ratio combining (MRT-MRC) transceiver structure. For this system,... View full abstract»

• ### Channel Selection in Virtual MIMO Wireless Sensor Networks

Publication Year: 2009, Page(s):2249 - 2257
Cited by:  Papers (27)
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In this paper, we present two practical algorithms for selecting a subset of channels in virtual multiple-input-multiple-output (MIMO) wireless sensor networks (WSNs) to balance the MIMO advantage consumption of sensor cooperation. If intracluster node-to-node multihop needs be taken into account, the maximum spanning tree searching (MASTS) algorithm, with respect to the cross-layer design, always... View full abstract»

• ### Performance of Optimum Switching Adaptive $M$ -QAM for Amplify-and-Forward Relays

Publication Year: 2009, Page(s):2258 - 2268
Cited by:  Papers (47)
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Optimization of the switching thresholds for constant-power adaptive five-mode M-ary quadrature amplitude modulation (M -QAM) transmission with an amplify-and-forward (AF) relay network is developed. The optimization criterion is the maximization of spectral efficiency subject to an average bit-error-rate (BER) constraint. This approach results in a constant-BER variable-rate M View full abstract»

• ### Antenna Selection for MIMO-OFDM Systems With Channel Estimation Error

Publication Year: 2009, Page(s):2269 - 2278
Cited by:  Papers (18)
| | PDF (375 KB) | HTML

We study space-time-frequency coded multiple-input-multiple-output (MIMO) orthogonal frequency-division multiplexed (OFDM) systems employing receiver antenna selection (AS), where training has been utilized to perform linear minimum mean square error (LMMSE)-based channel estimation. To minimize the mean square error (MSE) of this estimator, equispaced and equipowered training symbols are used, wi... View full abstract»

• ### Performance of Multiuser-Coded CDMA Systems With Transmit Diversity Over Nakagami- $m$ Fading Channels

Publication Year: 2009, Page(s):2279 - 2287
Cited by:  Papers (5)
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The performance of a multiple-input-multiple-output (MIMO) code-division multiple-access (CDMA) system, using space-time spreading (STS), is analyzed over a frequency-flat Nakagami-m fading channel. The convolutionally space-time coded system employs a decorrelator detector with N = 2 and L antennas at the user side and base station (BS), respectively. Assuming independent Nak... View full abstract»

• ### Joint Turbo Equalization and Multiuser Detection of MC-CDMA Signals With Low Envelope Fluctuations

Publication Year: 2009, Page(s):2288 - 2298
Cited by:  Papers (13)
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In this paper, we consider the uplink transmission in multicarrier code-division multiple-access (MC-CDMA) systems. As other multicarrier signals, MC-CDMA signals have high envelope fluctuations and a high peak-to-mean envelope power ratio (PMEPR), which leads to amplification difficulties. This is particularly important for the uplink transmission, since an efficient low-cost power amplification ... View full abstract»

• ### Iterative Group-Blind Multiuser Detection and Decoding With Signal Rank Estimation for Coded CDMA Systems

Publication Year: 2009, Page(s):2299 - 2313
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In this paper, a turbo receiver structure is proposed for the uplink of coded code-division multiple-access (CDMA) systems in the presence of unknown users. The proposed receiver consists of two stages following each other. The first stage performs soft interference cancellation and group-blind linear minimum mean square error (MMSE) filtering, and the second stage performs channel decoding. The p... View full abstract»

• ### Approximate ML Decision-Feedback Block Equalizer for Doubly Selective Fading Channels

Publication Year: 2009, Page(s):2314 - 2321
Cited by:  Papers (1)  |  Patents (1)
| | PDF (919 KB) | HTML

To effectively suppress intersymbol interference (ISI) at low complexity, in this paper, we propose an approximate maximum-likelihood decision-feedback block equalizer (A-ML-DFBE) for doubly selective (frequency- and time-selective) fading channels. The proposed equalizer design makes efficient use of the special time-domain representation of multipath channels through a matched filter, a sliding ... View full abstract»

• ### Initial and Post-Initial Code Acquisition in the Noncoherent Multiple-Input/Multiple-Output-Aided DS-CDMA Downlink

Publication Year: 2009, Page(s):2322 - 2330
Cited by:  Papers (2)
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In this paper, we investigate the issues of both initial and post-initial acquisition schemes in the multiple-input/multiple-output (MIMO)-aided direct-sequence code-division multiple-access (DS-CDMA) downlink when communicating over spatially uncorrelated Rayleigh channels. The associated mean acquisition time (MAT) performance trends are characterized as a function of the number of MIMO elements... View full abstract»

• ### Cooperation Strategies and Resource Allocations in Multiuser OFDMA Systems

Publication Year: 2009, Page(s):2331 - 2342
Cited by:  Papers (43)
| | PDF (695 KB) | HTML

Cooperative communication and orthogonal frequency-division multiplexing (OFDM) technology are both promising candidates for next-generation wireless communication systems. In this paper, we investigate cooperation strategies and resource-allocation algorithms for multiuser cooperative orthogonal frequency-division multiple-access (OFDMA) systems. There are two major contributions of this paper. F... View full abstract»

• ### Iterative Multiuser Detection and Decoding for DS-CDMA System With Space-Time Linear Dispersion

Publication Year: 2009, Page(s):2343 - 2353
Cited by:  Papers (4)
| | PDF (341 KB) | HTML

This paper considers a Q-ary orthogonal direct-sequence code-division multiple-access (DS-CDMA) system with high-rate space-time linear dispersion codes (LDCs) in time-varying Rayleigh fading multiple-input-multiple-output (MIMO) channels. We propose a joint multiuser detection, LDC decoding, Q-ary demodulation, and channel-decoding algorithm and apply the turbo processing principle ... View full abstract»

• ### Uplink Connection Scheduling for Flat-Rate Data Services in the UMTS Network

Publication Year: 2009, Page(s):2354 - 2365
| | PDF (869 KB) | HTML

To attract more users to mobile packet services, Universal Mobile Telecommunication System (UMTS) operators have been prompting flat-rate packet services. Since usage does not incur cost, flat-rate users tend to stay online longer and occupy most of the radio channel resources. We consider a UMTS network serving two types of user connections: normal user connections (NUCs) and flat-rate user conne... View full abstract»

• ### Site-Specific Knowledge and Interference Measurement for Improving Frequency Allocations in Wireless Networks

Publication Year: 2009, Page(s):2366 - 2377
Cited by:  Papers (9)
| | PDF (455 KB) | HTML

We present new frequency allocation schemes for wireless networks and show that they outperform all other published work. Two categories of schemes are presented: 1) those purely based on measurements and 2) those that use site-specific knowledge, which refers to knowledge of building layouts, the locations and electrical properties of access points (APs), users, and physical objects. In our site-... View full abstract»

## Aims & Scope

The IEEE Transactions on Vehicular Technology is dedicated to the publication of peer-reviewed original contributions of research regarding the theory and practice of electrical and electronics technology in vehicles and vehicular systems.

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