# IEEE Transactions on Vehicular Technology

## Filter Results

Displaying Results 1 - 25 of 45

Publication Year: 2011, Page(s):C1 - C4
| PDF (52 KB)
• ### IEEE Transactions on Vehicular Technology publication information

Publication Year: 2011, Page(s): C2
| PDF (43 KB)
• ### Vision-Only Automatic Flight Control for Small UAVs

Publication Year: 2011, Page(s):2425 - 2437
Cited by:  Papers (6)
| | PDF (1932 KB) | HTML

In this paper, a vision-based flight control system that uses a skyline-detection algorithm is developed for application to small unmanned aerial vehicles. The skyline-detection algorithm can detect straight or uneven skylines. The system integrates a remote controller, a remotely controlled airplane, a camera, a wireless transmitter/receiver, a ground control computer, and the proposed skyline-de... View full abstract»

• ### Trajectory Optimization for the Engine–Generator Operation of a Series Hybrid Electric Vehicle

Publication Year: 2011, Page(s):2438 - 2447
Cited by:  Papers (13)
| | PDF (622 KB) | HTML

This paper presents a methodology of calculating the optimal torque and speed commands for the engine-generator system of a series hybrid electric vehicle (HEV). In series HEVs, the engine-generator subsystem provides electrical energy to the dc link. This paper proposes an optimal control strategy of the engine-generator subsystem to generate a desired amount of energy within a given period of ti... View full abstract»

• ### Improved Performance of Serially Connected Li-Ion Batteries With Active Cell Balancing in Electric Vehicles

Publication Year: 2011, Page(s):2448 - 2457
Cited by:  Papers (94)
| | PDF (1287 KB) | HTML

This paper presents an active cell balancing method for lithium-ion battery stacks using a flyback dc/dc converter topology. The method is described in detail, and a simulation is performed to estimate the energy gain for ten serially connected cells during one discharging cycle. The simulation is validated with measurements on a balancing prototype with ten cells. It is then shown how the active ... View full abstract»

• ### Multiobjective Optimization of HEV Fuel Economy and Emissions Using the Self-Adaptive Differential Evolution Algorithm

Publication Year: 2011, Page(s):2458 - 2470
Cited by:  Papers (39)  |  Patents (1)
| | PDF (1046 KB) | HTML

This paper describes the application of a novel multiobjective self-adaptive differential evolution (MOSADE) algorithm for the simultaneous optimization of component sizing and control strategy in parallel hybrid electric vehicles (HEVs). Based on an electric assist control strategy, the HEV optimal design problem is formulated as a nonlinear constrained multiobjective problem with competing and n... View full abstract»

• ### MIMO Array Capacity Optimization Using a Genetic Algorithm

Publication Year: 2011, Page(s):2471 - 2481
Cited by:  Papers (9)
| | PDF (1748 KB) | HTML

This paper discusses the design of multiple-input-multiple-output (MIMO) antenna systems and proposes a genetic algorithm to obtain the position and orientation of each MIMO array antenna that maximizes the ergodic capacity for a given propagation scenario. One challenging task in the MIMO system design is to accommodate the multiple antennas in the mobile device without compromising the system ca... View full abstract»

• ### Adaptive Reduced-Rank Equalization Algorithms Based on Alternating Optimization Design Techniques for MIMO Systems

Publication Year: 2011, Page(s):2482 - 2494
Cited by:  Papers (34)
| | PDF (963 KB) | HTML

This paper presents a novel adaptive reduced-rank multiple-input-multiple-output (MIMO) equalization scheme and algorithms based on alternating optimization design techniques for MIMO spatial multiplexing systems. The proposed reduced-rank equalization structure consists of a joint iterative optimization of the following two equalization stages: 1) a transformation matrix that performs dimensional... View full abstract»

• ### A Singular-Value-Based Adaptive Modulation and Cooperation Scheme for Virtual-MIMO Systems

Publication Year: 2011, Page(s):2495 - 2504
Cited by:  Papers (19)
| | PDF (1037 KB) | HTML

This paper presents a practical virtual multiple-input-multiple-output (MIMO) system that implements bit-interleaved coded modulation (BICM) and compress-and-forward (CF) cooperation. A minimum mean square error (MMSE) receiver is considered since it has low complexity and allows good performance when combined with BICM techniques. A closed-form upper bound for the system error probability is deri... View full abstract»

• ### Blind Reduced-Rank Adaptive Receivers for DS-UWB Systems Based on Joint Iterative Optimization and the Constrained Constant Modulus Criterion

Publication Year: 2011, Page(s):2505 - 2518
Cited by:  Papers (5)
| | PDF (794 KB) | HTML

A novel linear blind adaptive receiver based on joint iterative optimization (JIO) and the constrained-constant-modulus design criterion is proposed for interference suppression in direct-sequence ultrawideband systems. The proposed blind receiver consists of the following two parts: 1) a transformation matrix that performs dimensionality reduction and 2) a reduced-rank filter that produces the ou... View full abstract»

• ### Empirical Time-Dimension Model of Spectrum Use Based on a Discrete-Time Markov Chain With Deterministic and Stochastic Duty Cycle Models

Publication Year: 2011, Page(s):2519 - 2533
Cited by:  Papers (25)
| | PDF (1183 KB) | HTML

The spectrum occupancy models widely used to date in dynamic spectrum access/cognitive radio (DSA/CR) research frequently rely on assumptions and oversimplifications that have not been validated with empirical measurement data. In this context, this paper presents an empirical time-dimension model of spectrum use that is appropriate for DSA/CR studies. Concretely, a two-state discrete-time Markov ... View full abstract»

• ### Design, Implementation, and Characterization of a Cooperative Communications System

Publication Year: 2011, Page(s):2534 - 2544
Cited by:  Papers (20)
| | PDF (1176 KB) | HTML

Cooperative communications is a class of techniques that seek to improve reliability and throughput in wireless systems by pooling the resources of distributed nodes. Although cooperation can occur at different network layers and time scales, physical-layer cooperation at symbol time scales offers the largest benefit in combating losses due to fading. However, symbol-level cooperation poses signif... View full abstract»

• ### Power Control and Beamforming for Femtocells in the Presence of Channel Uncertainty

Publication Year: 2011, Page(s):2545 - 2554
Cited by:  Papers (31)
| | PDF (382 KB) | HTML

Femtocells that are installed in existing macrocellular networks form a two-tiered heterogeneous network, yielding an interference problem between the two layers. How we can mitigate the interference is of great concern for the deployment of femtocells. When the femto base station has perfect channel information, it can mitigate the interference through transmit power control and beamforming. Howe... View full abstract»

• ### Effects of Channel Prediction for Transmit Antenna Selection With Maximal-Ratio Combining in Rayleigh Fading

Publication Year: 2011, Page(s):2555 - 2568
Cited by:  Papers (11)
| | PDF (656 KB) | HTML

Antenna selection is a low-complexity method for pragmatically exploiting spatial diversity in wireless systems. It has potentially reduced hardware cost compared with space-time or multiple-input-multiple-output (MIMO) coding due to the reduction in the amount of radio-frequency hardware required. Although receive antenna selection is, perhaps, more common, transmit antenna selection (TAS) offers... View full abstract»

• ### Semiblind Sparse Channel Estimation for MIMO-OFDM Systems

Publication Year: 2011, Page(s):2569 - 2582
Cited by:  Papers (29)
| | PDF (334 KB) | HTML

In this paper, a semiblind algorithm is presented for the estimation of sparse multiple-input-multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) channels. An analysis of the second-order statistics of the signal that was received through a sparse MIMO channel is first conducted, showing that the correlation matrices of the received signal can be expressed in terms of the most s... View full abstract»

• ### MUI-Reducing Spreading Code Design for BS-CDMA in the Presence of Carrier Frequency Offset

Publication Year: 2011, Page(s):2583 - 2593
Cited by:  Papers (2)
| | PDF (505 KB) | HTML

Using mutually shift-orthogonal spreading codes, block-spread code-division multiple access (BS-CDMA) systems have been shown to achieve multiuser interference (MUI)-free reception when synchronization between the base station and the subscriber stations is achieved. In practice, when carrier frequency offset (CFO) is present, orthogonality among users is destroyed, and MUI occurs. This paper pres... View full abstract»

• ### Low-Complexity Set-Membership Channel Estimation for Cooperative Wireless Sensor Networks

Publication Year: 2011, Page(s):2594 - 2607
Cited by:  Papers (22)
| | PDF (1484 KB) | HTML

In this paper, we consider a general cooperative wireless sensor network (WSN) with multiple hops and the problem of channel estimation. Two matrix-based set-membership (SM) algorithms are developed for the estimation of complex matrix channel parameters. The main goal is to significantly reduce the computational complexity, compared with existing channel estimators, and extend the lifetime of the... View full abstract»

• ### Capacity Performance of Relay Beamformings for MIMO Multirelay Networks With Imperfect ${cal R}$-${cal D}$ CSI at Relays

Publication Year: 2011, Page(s):2608 - 2619
Cited by:  Papers (18)
| | PDF (396 KB) | HTML

In this paper, we consider a dual-hop multiple-input-multiple-output (MIMO) wireless relay network in the presence of imperfect channel state information (CSI), in which a source-destination pair, both equipped with multiple antennas, communicates through a large number of half-duplex amplify-and-forward (AF) relay terminals. We investigate the performance of three linear beamforming schemes when ... View full abstract»

• ### A Coalition Formation Framework for Transmission Scheme Selection in Wireless Sensor Networks

Publication Year: 2011, Page(s):2620 - 2630
Cited by:  Papers (19)
| | PDF (834 KB) | HTML

One important issue of designing wireless sensor networks is how we can improve the energy efficiency. As we know, for the same quality-of-service (QoS) requirement, a cooperative multiple-input-multiple-output (MIMO) scheme requires less transmission energy than a noncooperative single-input-single-output (SISO) scheme. However, the advantage of the cooperative MIMO scheme over the noncooperative... View full abstract»

• ### On the Error Probability of Cross-QAM With MRC Reception Over Generalized $eta$-$mu$ Fading Channels

Publication Year: 2011, Page(s):2631 - 2643
Cited by:  Papers (16)
| | PDF (989 KB) | HTML

The closed-form expressions for the exact average symbol error probability (SEP) and bit error probability (BEP) of arbitrary M-ary cross quadrature amplitude modulation (XQAM) signaling with maximal-ratio combining (MRC) diversity reception over independent but not necessarily identical η-μ fading channels are derived. The results are presented in terms of a finite (in proportion to... View full abstract»

• ### Optimizing Training-Based Transmission Against Smart Jamming

Publication Year: 2011, Page(s):2644 - 2655
Cited by:  Papers (9)
| | PDF (806 KB) | HTML

We consider training-based transmissions over multiple-input-multiple-output (MIMO) fading channels in the presence of jamming. Each transmission block consists of a training phase and a data transmission phase. From an information-theoretic viewpoint, we study the optimal energy allocation between the two phases for both the legitimate user of the channel and the jammer. For a fixed jamming strat... View full abstract»

• ### End-to-End Performance of Cooperative Relaying in Spectrum-Sharing Systems With Quality of Service Requirements

Publication Year: 2011, Page(s):2656 - 2668
Cited by:  Papers (47)
| | PDF (920 KB) | HTML

We propose adopting a cooperative relaying technique in spectrum-sharing cognitive radio (CR) systems to more effectively and efficiently utilize available transmission resources, such as power, rate, and bandwidth, while adhering to the quality of service (QoS) requirements of the licensed (primary) users of the shared spectrum band. In particular, we first consider that the cognitive (secondary)... View full abstract»

• ### On Reservation-Based MAC Protocol for IEEE 802.11 Wireless Ad Hoc Networks With Directional Antenna

Publication Year: 2011, Page(s):2669 - 2679
Cited by:  Papers (6)
| | PDF (646 KB) | HTML

In this paper, we study the issues of medium access control (MAC) for multihop wireless networks with directional antennas. Existing solutions to directional antenna MAC problems rarely account for the impact of minor lobes and typically assume that the neighboring nodes' locations are known a priori. As a result, they are not applicable to practical systems or mobile nodes. In this paper, we prop... View full abstract»

• ### QoS Provisioning Relay Selection in Random Relay Networks

Publication Year: 2011, Page(s):2680 - 2689
Cited by:  Papers (35)
| | PDF (495 KB) | HTML

In this paper, we propose an analytical framework for determining the outage probability of random and best relay selection schemes given a Poisson field of relay nodes and the presence of path loss and fading. For relay selection, relays geographically close to the source and destination are preferred to others. This selection guideline ensures a target quality of service (QoS) and reduces the si... View full abstract»

• ### Dynamic QoS-Based Bandwidth Allocation Framework for Broadband Wireless Networks

Publication Year: 2011, Page(s):2690 - 2700
Cited by:  Papers (34)
| | PDF (1434 KB) | HTML

Broadband wireless communication systems, namely, Worldwide Interoperability for Microwave Access (WiMAX) and Long-Term Evolution (LTE), promise to revolutionize the mobile users wireless experience by offering many of the services and features promised by fourth-generation (4G) wireless systems, such as supporting multimedia services with high data rates and wide coverage area, as well as all-Int... 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