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Article
A New Network Architecture for Wireless Communications
Current cellular systems are based on theconcept of the cell. Although the cell allows channelreuse, it has also become a metaphor for channelconfinement and leads to the thorny problem of handoffand call drop...
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Article
Performance Studies of Narrow-Beam Trisector Cellular Systems
Early cellular architectures consisted of basestations with omnidirectional antennas. Althoughdirectional antennas are widely used in currentcellular/PCS (Personal Communication System) the systemarchitecture ...
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Chapter
A High-Capacity Cellular Network by Improved Sectorization and Interleaved Channel Assignment
In this paper, we propose an improved sectorization scheme, called Narrow Beam Quad-sector Cell (NBQC), in which each cell is divided into 4 sectors and each sector is covered by a 60° antenna. The NBQC struct...
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Chapter
Performance Study of Soft Handover with CDMA Heterogeneous Cellular Architectures
This paper investigates the downlink user capacity of a heterogeneous cellular CDMA system with soft handover. We consider the scenario that a hotspot microcell is adjacent to a larger macrocell instead of a m...
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Article
Power Control for Packet Voice Service with Application to EDGE Wireless System
Using the enhanced data rates for GSM evolution (EDGE) system with cyclic frequency hop** as an example, we apply a Kalman-filter power control method based on interference tracking to packet voice service i...
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Article
Comparison of Downlink Power Allocation Mechanisms in Soft Handoff for the WCDMA System with Heterogeneous Cell Structures
Handoff in heterogeneous cellular networks is one of the hot topics for wireless networks beyond the third generation. We observe that a power exhausting issue may occur in a code division multiple access (CDMA) ...
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Article
Empirical Bayes Estimation in Regression Model
This paper considers the empirical Bayes (EB) estimation problem for the parameter β of the linear regression model y = Xβ + ε with ε ∼ N(0, σ2 I) given β. Based on Pitman closeness (PC) c...
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Article
In vitro shear stress modulates antithrombogenic potentials of human endothelial progenitor cells
Recent study suggested that endothelial progenitor cells (EPCs), a novel therapeutic approach for endothelial dysfunction, present limited antithrombogenic potentials. However, few attempts have been done to i...
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Article
Expression of HSV-1 ICP0 antigen peptide in prokaryotic cells and preparation of specific antibody
As an immediate-early protein of herpes simplex virus, infected-cell polypeptide 0 (ICP0) exhibits complicated interactions with host cells, and its regulatory function on gene expression is of great importanc...
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Article
Open AccessZero-Forcing and Minimum Mean-Square Error Multiuser Detection in Generalized Multicarrier DS-CDMA Systems for Cognitive Radio
In wireless communications, multicarrier direct-sequence code-division multiple access (MC DS-CDMA) constitutes one of the highly flexible multiple access schemes. MC DS-CDMA employs a high number of degrees-o...
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Article
Isolation and complete genomic sequence analysis of a new Sindbis-like virus
The Sindbis-like virus was first discovered in China in 1986. Its complete genomic sequence consists of more than 11 000 bp encoding more than 3 700 amino acids. It contains a 5′ non-transcriptional region (5′...
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Article
Serum lipid levels and 3-month prognosis in Chinese patients with acute stroke
The possible correlation between serum lipid levels and outcome after stroke is still controversial. Therefore we examined whether serum lipid levels at admission had any prognostic value in the 3-month outcom...
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Article
Open AccessA Multigroup Priority Queueing MAC Protocol for Wireless Networks with Multipacket Reception
Relying on a simple flag-assisted mechanism, a multigroup priority queueing (MGPQ) medium access control (MAC) protocol is proposed for the wireless networks with multipacket reception (MPR). The proposed MGPQ...
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Article
Interactions of the HSV-1 UL25 capsid protein with cellular microtubule-associated protein
An interaction between the HSV-1 UL25 capsid protein and cellular microtubule-associated protein was found using a yeast two-hybrid screen and β-D-galactosidase activity assays. Immunofluorescence microscopy o...
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Chapter and Conference Paper
The Effects of Type of Interactivity in Experiential Game-Based Learning
The purpose of this study was to examine the effects of type of interactivity, prior knowledge and gender on learners’ performance in learning computer programming skills through an experiential game-based lea...
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Article
Complete nucleotide sequence of a mumps virus SP strain isolated in China
The complete nucleotide sequence of the mumps virus SP, which was isolated in China, was determined. As with other mumps viruses, its genome was 15 384 nucleotides (nts) in length and encoded seven proteins. T...
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Article
Open AccessMeta-analysis: Adefovir dipivoxil in combination with lamivudine in patients with lamivudine-resistant hepatitis B virus
Currently, there are no conclusive results on the efficacy of adefovir dipivoxil (ADV) plus lamivudine (LAM) in LAM-resistant patients with chronic hepatitis B (CHB). The aim of study was to evaluate the effic...
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Article
Cross-Layer Analysis of Joint Rate and Power Adaptation in Nakagami Fading Channels with Multiple-User Contention
Adaptively adjusting transmit rate and power concurrently to enhance goodput and save energy is a challenging issue in a wireless local area network (WLAN) because goodput enhancement and energy saving are usu...
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Article
Histological Changes in Chinese Chronic Hepatitis B Patients with ALT Lower Than Two Times Upper Limits of Normal
The role of ALT as a predictor of liver injury has been questioned. The aim of this study is to use liver biopsy to assess the degree of liver injury in patients with chronic hepatitis B(CHB) whose ALT < 2 × u...
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Article
A comparison of the biological characteristics of EV71 C4 subtypes from different epidemic strains
The comparative analysis of the biological characterization and the genetic background study of EV71 circulating strains is commonly recognized as basic work necessary for development of an effective EV71 vacc...
