Average Entropy Functions (2009)
Chen, Qi, He, Chen, Jiang, Lingge, Wang, Qingchuan
The closure of the set of entropy functions associated with n discrete variables, Gammar*n, is a convex cone in (2n-1)- dimensional space, but its full characterization remains an open problem. In...
Organic school meals in three Danish municipalities (2009)
Mikkelsen, Bent Egberg, He, Chen
In order to prevent children and young people from becoming obese, healthier eating patterns are urgent. Organic school meals may be an effective strategy to provide healthy food to children. The...
Organic school meals in three Danish municipalities (2009)
He, Chen, Mikkelsen, Bent Egberg
In order to prevent children and young people from becoming obese, healthier eating patterns are urgent. Organic school meals may be an effective strategy to provide healthy food to children. The...
Now, more than ever, there are serious health concerns for the growing prevalence of obese and overweight children. Schools are well suited setting for the learning of children and young people, and...
He, Chen, Mikkelsen, Bent Egberg
Now, more than ever, there are serious health concerns for the growing prevalence of obese and overweight children. Schools are well suited setting for the learning of children and young people, and...
HEALTH POLICY INTERVENTION IN SCHOOLS PROMOTE PHYSICAL ACTIVITIES AMONG THE PUPILS (2009)
Mikkelsen, Bent Egberg, He, Chen
Today, more and more children are overweight or obese than ever before. Schools can play a prominent role in easing the situation. Schools have a great potential through the curriculum, health...
Organic school meals in the three Danish municipalities (2009)
He, Chen, Mikkelsen, Bent Egberg
In order to prevent children and young people from becoming obese, healthier eating patterns are urgent. Organic school meal is maybe an effective strategy to provide healthy food to children. The...
Now, more than ever, there are serious health concerns for the growing prevalence of obese and overweight children. Schools are well suited setting for the learning of children and young people, and...
He, Chen, Mikkelsen, Bent Egberg
Now, more than ever, there are serious health concerns for the growing prevalence of obese and overweight children. Schools are well suited setting for the learning of children and young people, and...
HEALTH POLICY INTERVENTION IN SCHOOLS PROMOTE PHYSICAL ACTIVITIES AMONG THE PUPILS (2009)
Mikkelsen, Bent Egberg, He, Chen
Today, more and more children are overweight or obese than ever before. Schools can play a prominent role in easing the situation. Schools have a great potential through the curriculum, health...
In high-performance packet switches, data queuing has to allow real-time memory (de)allocation, buffering, retrieving, and forwarding of incoming packets. Its implementation must be highly optimized...
Defect-Tolerant Design Paradigm for (2008)
A Reconfiguration-based, Chen He, Margarida F. Jacome
To address the density, scalability, and reliability challenges of emerging nanotechnologies, the authors propose a hierarchy of design abstractions, constructed as reconfigurable fabric regions,...
Optimal Bit Allocation Adaptive Modulation Algorithm for MIMO System (2008)
Fan, Lingyan, He, Chen, Feng, Guorui
In this paper, an adaptive minimum transmit power modulation scheme under constant data rate and fixed bit error rate (BER) for the multiple-input multiple-output (MIMO) system is proposed. It...
Design and Analysis of LDGM-Based Codes for MSE Quantization (2008)
Approaching the 1.5329-dB shaping (granular) gain limit in mean-squared error (MSE) quantization of R^n is important in a number of problems, notably dirty-paper coding. For this purpose, we start...
Organic school meals in three Danish municipalities (2008)
In order to prevent children and young people from becoming overweight or obese, it is imperative to promote healthier eating patterns. So it is necessary to develop and implement effective...
DOES ORGANIC FOOD INTERVENTION IN SCHOOL LEAD TO CHANGED DIETARY PATTERNS? (2008)
He, Chen, Mikkelsen, Bent Egberg
During adolescence food habits, physical activity, and life style of young people are easily influenced by a number of actors and phenomena in the environment including parents, friends,...
Does organic food intervention in school lead to change dietary patterns? (2008)
Now, more than ever, there are serious health concerns for obese and overweight children. All around us are unhealthy foods such as sweets, energy-dense convenience and fast foods. This makes it much...
LUO, Jun, JIANG, Ling-ge, HE, Chen
To conserve energy, periodic active/sleep dynamics is adopted in wireless sensor networks. At the same time, the QoS guarantees, such as packet delay, packet loss ratio and network throughput need to...
Tomlinson-Harashima Precoding for the Downlink of Multiuser MIMO Systems (2008)
CHE, Xiao-lin, HE, Chen, LIN, Wen-feng
In this letter, a Tomlinson-Harashima precoding (THP) scheme is proposed for the downlink of multiuser MIMO systems with multiple antennas at each receiver. Assuming single data stream communication...
GONG, Yun-rui, HE, Di, HE, Chen, JIANG, Ling-ge
The performances of a PCTH-based communication UWB system with diversiform modulation schemes are compared on the classic AWGN channel propagation and the realistic IEEE-UWB channel model. By...
Organic school meals in three Danish municipalities (2008)
In order to prevent children and young people from becoming overweight or obese, it is imperative to promote healthier eating patterns. So it is necessary to develop and implement effective...
DOES ORGANIC FOOD INTERVENTION IN SCHOOL LEAD TO CHANGED DIETARY PATTERNS? (2008)
He, Chen, Mikkelsen, Bent Egberg
During adolescence food habits, physical activity, and life style of young people are easily influenced by a number of actors and phenomena in the environment including parents, friends,...
Does organic food intervention in school lead to change dietary patterns? (2008)
Now, more than ever, there are serious health concerns for obese and overweight children. All around us are unhealthy foods such as sweets, energy-dense convenience and fast foods. This makes it much...
He, Chen, Marley, Elin, Mikkelsen, Bent Egberg
Organic and healthy foods in schools is the focus of the iPOPY project (Innovative Public Organic Procurement for Youth), in the New Nordic food on schools as well as in of a lot of other school...
Low-Complexity Iterative Receiver for Coded MIMO-OFDM Systems Based on PIC-MRC (2007)
A novel low-complexity iterative receiver for coded multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems is proposed in this letter. The iterative receiver...
Joint MMSE Vector Precoding Based on GMD Method for MIMO Systems (2007)
LIU, Feng, JIANG, Ling-ge, HE, Chen
We propose a geometric mean decomposition (GMD) based vector precoding (VP) for multiple input multiple output (MIMO) systems. Minimum mean square error (MMSE) criterion is used for the joint VP...
Lattice-Reduction-Aided MMSE Tomlinson-Harashima Precoding for MIMO Systems (2007)
LIU, Feng, JIANG, Ling-ge, HE, Chen
In this letter, a lattice-reduction-aided (LRA) minimum mean square error (MMSE) Tomlinson-Harashima precoding (THP) is proposed for multiple input multiple output (MIMO) systems. The extended...
Organic school meals in the three Danish municipalities (2007)
He, Chen, Mikkelsen, Bent Egberg
In order to prevent children and young people from becoming obese, healthier eating patterns are urgent. Organic school meal is maybe an effective strategy to provide healthy food to children. The...
Defect-Aware High-Level Synthesis Targeted at Reconfigurable Nanofabrics (2007)
Chen He, Senior Member, Margarida F. Jacome, Senior Member
Abstract — Entering the nanometer era, a major challenge to current design methodologies and tools is how to effectively address the high defect densities projected for nanoelectronic technologies....
YAO, Li, HE, Chen, LIN, Junlong
An optimization model with maximum ratio combining (MRC) diversity soft handover is proposed for WCDMA base station location planning with heuristic algorithm, which can calculate the influence of...
Chen He, Margarida F. Jacome, Jacob A. Abraham, Anthony Ambler, Gustavo De Veciana, Paulo Ferreira
To Lijia and my parents
A New Asymmetric Watermarking Scheme for Copyright Protection (2006)
GUI, Guo-fu, JIANG, Ling-ge, HE, Chen
This letter proposes a new asymmetric watermarking scheme. In the proposed scheme, a non-full rank matrix is applied to an embedded watermark to form an asymmetric detection watermark. To detect the...
A Novel Mobile Assignment Method for WCDMA Base Station Location Planning (2006)
YAO, Li, HE, Chen, LIN, Junlong
A novel mobile assignment method based on transmit power and cell load is proposed for WCDMA base station location planning. Experimental results show that, compared with the currently widely used...
Clustering is an effective self-organization approach in wireless sensor networks. LEACH—a representative distributed clustering scheme has been considered an effective model to offer...
Automatic Digital Modulation Recognition Based on Euclidean Distance in Hyperspace (2006)
LI, Ji, HE, Chen, CHEN, Jie, WANG, Dongjian
The recognition vector of the decision-theoretic approach and that of cumulant-based classification are combined to compose a higher dimension hyperspace to get the benefits of both methods. The...
Design and Performance Analysis of Quasi-Orthogonal Space-Time Block Codes for Four Antennae (2005)
In this letter, a novel general design method of quasi-orthogonal space-time block codes for four antennae is presented. Comparison with the design method proposed by Jafarkhani, this method enlarges...
Wavelet-Based Semi-Fragile Watermarking with Tamper Detection (2005)
DING, Ke, HE, Chen, JIANG, Ling-ge, WANG, Hong-xia
In this letter, a novel wavelet-based semi-fragile watermarking scheme is presented which exploiting the time-frequency feature of discrete wavelet transform (DWT) and high sensitivity on initial...
Permutation-Based Semi-Fragile Watermark Scheme (2005)
FENG, Guo-rui, JIANG, Ling-ge, HE, Chen
Tamper proofing is a crucial problem in the watermarking application. Aiming at the credibility of multimedia, we present a semi-fragile watermark based on the image permutation. Watermarking...
A Novel Adaptive Channel Estimation Scheme for DS-CDMA (2005)
This paper proposes an adaptive channel estimation scheme, which uses different moving average length and pilot gain for different mobile environments. It is based on MSE method and extensive...
A Channel Estimation Scheme for MIMO-MC-CDMA Downlink in High Mobility Environments (2005)
The next generation mobile communication system is required to support wideband wireless data links when terminals are moving at very high speed. In such case, accurate channel estimation is more...
A Robust Asymmetric Watermarking Scheme Using Multiple Public Watermarks (2005)
GUI, Guo-fu, JIANG, Ling-ge, HE, Chen
In recently proposed asymmetric watermarking schemes, the public detection is less robust than the private detection. To resolve this problem, a robust asymmetric watermarking scheme using the...
What crowds a letter in the periphery? (2004)
In the periphery, nearby letters (flankers) can impair the identification of a target letter, but white-noise patches or gratings do not (Palomares et al., ARVO99), suggesting that letter crowding is...
Defect tolerant probabilistic design paradigm for nanotechnologies (2004)
Margarida Jacome, Chen He, Gustavo De Veciana, Stephen Bijansky
Recent successes in the development and self-assembly of nanoelectronic devices suggest that the ability to manufacture dense nanofabrics is on the near horizon. However, the tremendous increase in...
Thesis (Ph. D.)--Ohio University, November, 2003.
System Modeling and Software-based Implementation of MPEG-2 Video Encoder (2000)
The MPEG-4 standard provides for content-based interactivity, high compression, and/or universal accessibility and portability of audio and video contents. Due to its representation of an audiovisual...
MPEG-4 standard provides support for content-based interactivity, high compression, and/or universal accessibility and portability of audio and video content. Due to its content-based representation...