The wireless mobile ad hoc network (MANET) architecture has received a lot of attention recently. This paper considers the access multiple channels in MANET with multi-hop communication behavior. We point out several interesting issues when using channels. then propose new multi-channel MAC protocol, which is characterized by following features: (i) it follows an "on-demand" style to assign hosts, (ii) number required independent topology and degree, (iii) flexibly adapts host mobility only...

The rapid progress of wireless communication and embedded microsensing MEMS technologies has made sensor networks possible. In light storage in sensors, a network can be considered as distributed database, which one conduct in-network data processing. An important issue is object tracking, typically involves two basic operations: update query. This been intensively studied other areas, such cellular networks. However, the processing characteristic posed new challenges to this issue. paper,...

In a mobile ad-hoc networks (MANET), one essential issue is medium access control (MAC) which addresses how to utilize the radio spectrum efficiently and resolve potential contention collision among hosts on using medium. Existing work dedicated multiple channels power improve performance of MANET. We investigate possibility bringing concepts multi-channel together in MAC design problem protocols only address these issues independently. The proposed protocol characterized by following...

Abstract Chitin and chitosan were hybridized in various weight percentages by genipin crosslinkage under prefreezing temperatures to form tissue‐engineering scaffolds via lyophilization. In addition, deposition of hydroxyapatite (HA) on the surface porous was performed precipitation method achieve modified chemical compositions for chondrocyte attachments growths. The experimental results revealed that a lower temperature or higher percentage chitin chitin‐chitosan would yield smaller pore...

Bcr-Abl transformation leads to chronic myeloid leukemia (CML). The acquirement of T315I mutation causes tyrosine kinase inhibitors (TKI) resistance. This study develops a compound, JMF4073, inhibiting thymidylate (TMP) and cytidylate (CMP) kinases, aiming for new therapy against TKI-resistant CML. In vitro in vivo treatment JMF4073 eliminates WT-Bcr-Abl-32D CML cells. However, T315I-Bcr-Abl-32D cells are less vulnerable JMF4073. Evidence is presented that ATF4-mediated upregulation GSH be...

Despite the growing number and great variety of overseas Chinese gardens developed over past four decades, a fundamental question persists that influences decision-making at every stage such collaborative projects: how can classical philosophy “harmony between humans nature” be interpreted in international contexts characterized by varied cultural institutional systems? This article critically reviews key essence human–nature relationships underlying design,...

Localization is one of the most important issues in wireless sensor networks (WSNs). In widely proposed range-free algorithms, nodes estimate location by employing geometric constraints imposed mobile anchor. However, none them addresses how anchor moves to optimize improvement inaccuracies and minimize anchor's movement. This paper assumes that previous algorithms have been executed for a period time deployed sensors are different inaccuracies. According size estimative region each static...

Over the last few years, we have witnessed a growing interest in cyber physical systems (CPSs) that rely on strong synergy between computational and components. CPSs are expected to tremendous impact many critical sectors (such as energy, manufacturing, healthcare, transportation, aerospace) of economy. ability transform way human-to-human, human-to-object, object-to-object interactions take place virtual worlds. The increasing pervasiveness wireless sensor networking (WSN) technologies...

Abstract Four soluble dialkylated tetrathienoacene ( TTAR) ‐based small molecular semiconductors featuring the combination of a TTAR central core, π‐conjugated spacers comprising bithiophene bT ) or thiophene T ), and with/without cyanoacrylate CA end‐capping moieties are synthesized characterized. The molecule DbT‐TTAR exhibits promising hole mobility up to 0.36 cm 2 V −1 s due enhanced crystallinity microribbon‐like films. Binary blends p‐type n‐type dicyanomethylene substituted...

Abstract An ecological risk assessment was undertaken using productivity‐susceptibility analysis (PSA) to determine the relative vulnerability of 52 species caught by fisheries in waters off eastern Taiwan. Overall, eight and 20 were classified as having high moderate vulnerability, respectively, remaining 24 low vulnerability. The with highest scores mainly longline gillnet fisheries, highlighting need for improved data collection facilitate a more detailed investigation quantitative...

One important application of wireless sensor networks is the tracking moving objects. The recent progress has made it possible for tiny sensors to have more computing power and storage space. Therefore, a network can be considered as distributed database, on which one conduct in-network data processing. This paper considers object in network. typically consists two operations: location update query. We propose message-pruning tree structure that an extension earlier work (H.T. Kung D. Vlah,...

Abstract Three new solution‐processable organic semiconductors ( 1–3 ) are synthesized and characterized for p‐type field effect transistors (OFETs). The backbone of these small molecules is modified by expanding the central core conjugation from thienothiophene TT to dithienothiophene DTT tetrathienoacene TTA ), which end‐capped with soluble β‐substituted alkyl chains dithienothiophenes DTTR generate DTTR‐TT 1 DTTR‐DTT 2 DTTR‐TTA 3 ). highest mobility 0.016 cm V −1 s achieved using...

We present our new results in news video story segmentation and classification the context of TRECVID retrieval benchmarking event 2003. applied extended maximum entropy statistical model to fuse diverse features effectively from multiple levels modalities, including visual, audio, text. have included various such as motion, face, music/speech types, prosody, high-level text information. The fusion is used discover automatically relevant contributing detection boundaries. One novel aspect...

In this paper, the target patrolling problem was considered, in which a set of mobile data collectors, known as mules (DMs), must efficiently patrol given targets. Because time interval (or visiting interval) between consecutive visits to each reflects degree that is monitored, goal paper balance target. This first presents basic points algorithm, enables an efficient route be constructed for numerous DMs, such intervals all are stable. For scenarios containing weighted points, (W-TPP)...

A wireless sensor network consists of many tiny nodes. The distributed memory spaces sensors can be considered as a large database, in which one conduct in-network data processing. This paper considers used for object tracking where location updates and queries are performed inside the network. Although this issue has been intensively studied cellular networks, same problem networks very different characteristics. In paper, we propose an efficient management scheme multi-sink users inquire...

Continued transistor scaling increases random $V_{t}$ variation, and wire routing resistance capacitance; it degrades SRAM performance results in design difficulties. Although dual-port (DP) is useful, because can offer simultaneous read write operations with two asynchronous clocks, circuit more complex than for a single-port (SP) when considering worst-case operation. In particular, WL capacitance (RC) degradation caused by process read-disturb-write (RDW) problem DP-SRAM bitcell are major...

Bounding-box mechanism is a well-known low-cost localization approach for wireless sensor networks. However, the bounding-box location information cannot distinguish relative locations of neighboring sensors, hence leading to poor performance some applications such as location-aware routing. This paper proposes Differentiating Relative Locations (DRL) which uses mobile anchor broadcast tones and beacons aiming at distinguishing any two nodes. With order entering leaving tone transmission...

Collecting surrounding vehicles' motion information is one of the key issues for accident prevention and autonomous driving. Although multi-vehicle simulation frameworks are widely provided, We need a platform that enable inter-vehicle V2X communications. In this work, based on open source platform, CARLA, we extend implement several modules to build framework. proposed framework, vehicles allowed share their profiles sensory data through With other vehicles, car can thus make more...

The data collection problem is one of the most important issues in Wireless Sensor Networks (WSNs). Constructing a tree from all sensor nodes to sink node simplest way, but this raises energy unbalance since sensors closer would have much higher workloads relaying data. To cope with problem, number mobile-sink mechanisms been proposed recent years. This paper proposes an Energy-Balanced Data Collection mechanism, called EBDC, which determines trajectory mobile collector (or sink) such that...

ABSTRACT In wireless sensor networks (WSNs), coverage of the monitoring area represents surveillance quality. Since nodes are battery powered and placed outdoor, there will be failures due to energy exhaustion or environmental influence, resulting in coverage‐loss. literature, a number studies developed robot repairing algorithms that aim at maintaining full coverage. However, they did not consider time constraint for network maintenance. Furthermore, existence obstacles limited robot. This...

By the rise of mobile devices, trajectory data could be easily collected and used in several applications, like destination prediction, public transportation optimization, travel route recommendation. However, due to spatio-temporal nature, raw usually contain redundant movement information. This observation motivates simplication approaches which discard some points with preserving specific features, such as position direction so on. Most existing simplifications ignore importance velocity...

Despite the recent success of multi-modal action recognition in videos, reality, we usually confront situation that some data are not available beforehand, especially for data. For example, while vision and audio required to address recognition, tracks videos easily lost due broken files or limitation devices. To cope with this sound-missing problem, present an approach simulating deep feature from merely spatial-temporal We demonstrate adding sound can significantly assist task. Evaluating...