Search Results - "Qingchun Ren"

Energy Detection Performance Analysis for UWB Radar Sensor Networks by Ren, Qingchun

“…Ultra wideband radar sensor networks have intensive military and commercial applications. However, how to mitigate the interference to the existing systems and…”
Get full text

Energy Detection Performance Analysis for UWB Radar Sensor Networks by Ren, Qingchun

“…Ultra wideband radar sensor networks have intensive military and commercial applications. However, how to mitigate the interference to the existing systems and…”
Get full text

Cayley–Bacharach Formulas by Ren, Qingchun, Richter-Gebert, Jürgen, Sturmfels, Bernd

“…The Cayley–Bacharach theorem states that all cubic curves through eight given points in the plane also pass through a unique ninth point. We write that point…”
Get full text

Optimization of Ozone Generation by Investigation of Filament Current Characteristics Under Dielectric Barrier Discharge by Yingjia Zhou, Guangming Huang, Tao Wang, MacGregor, Scott J., Qingchun Ren, Wilson, Mark P., Timoshkin, Igor V.

“…In this paper, the relationship between reduced electric field and ozone efficiency was determined between ~120 and 280 Td, with an optimized efficiency of…”
Get full text

Latency-Optimized and Energy-Efficient MAC Protocol for Underwater Acoustic Sensor Networks: A Cross-Layer Approach by Ren, Qingchun, Cheng, Xiuzhen

“…Considering the energy constraint for fixed sensor nodes and the unacceptable long propagation delay, especially for latency sensitive applications of…”
Get full text

Latency-Optimized and Energy-Efficient MAC Protocol for Underwater Acoustic Sensor Networks: A Cross-Layer Approach by Ren, Qingchun, Cheng, Xiuzhen

“…Considering the energy constraint for fixed sensor nodes and the unacceptable long propagation delay, especially for latency sensitive applications of…”
Get full text

Energy and mobility aware geographical multipath routing for wireless sensor networks by Qilian Liang, Qingchun Ren

“…In our proposed multipath routing scheme, remaining battery capacity, mobility, and distance to the destination location of candidate sensors in the local…”
Get full text

Ordered partitions and drawings of rooted plane trees by Ren, Qingchun

“…We study the bounded regions in a generic slice of the hyperplane arrangement in Rn consisting of the hyperplanes defined by xi and xi+xj. The bounded regions…”
Get full text

Expression of MMP-14 and its role in bone destruction in middle ear cholesteatoma: A prospective observational study by Lei, Yu, An, Junjun, Ren, Qingchun, Wang, Minjun, Gao, Mingzhu

“…Cholesteatoma is a noncancerous cystic lesion caused by an abnormal growth of keratinizing squamous epithelium which is invasive and capable of destroying…”
Get full text

Oncogenic role of Epstein-Barr virus-encoded small RNAs (EBERs) in nasopharyngeal carcinoma by Yoshizaki, Tomokazu, Endo, Kazuhira, Ren, Qingchun, Wakisaka, Naohiro, Murono, Shigeyuki, Kondo, Satoru, Sato, Hiroshi, Furukawa, Mitsuru

“…Epstein-Barr virus (EBV) is a causative agent of nasopharyngeal carcinoma (NPC), and EBV gene expression is considered to be closely associated with the…”
Get full text

Energy-Efficient Medium Access Control Protocols for Wireless Sensor Networks by Ren, Qingchun, Liang, Qilian

“…: A key challenge for wireless sensor networks is how to extend network lifetime with dynamic power management on energy-constraint sensor nodes. In this…”
Get full text

Tropicalization of del Pezzo surfaces by Ren, Qingchun, Shaw, Kristin, Sturmfels, Bernd

“…We determine the tropicalizations of very affine surfaces over a valued field that are obtained from del Pezzo surfaces of degree 5, 4 and 3 by removing their…”
Get full text

A contention-based energy-efficient MAC protocol for wireless sensor networks by Qingchun Ren, Qilian Liang

“…Energy-efficient MAC protocols applied for WSNs can be classified into two main categories: con tendon-based and schedule-based protocols, according to their…”
Get full text

Association of Stress Defense System With Fine Particulate Matter Exposure: Mechanism Analysis and Application Prospects by Meng, Tao, He, Jing, Huo, Qianru, Wang, Yajie, Ren, Qingchun, Kang, Yihui

“…ABSTRACT The association between the stress defense system and exposure to fine particulate matter (PM 2.5 ) is a hot topic in the field of environmental…”
Get full text

Cross-layer design for mobile ad hoc networks: energy, throughput and delay-aware approach by Xinsheng Xia, Qingchun Ren, Qilian Liang

“…In this paper, we introduce a novel method for cross-layer design in mobile ad hoc networks. We use fuzzy logic system (FLS) to coordinate physical layer,…”
Get full text

A VSM-Based and Quality-Aware Query Processing Protocol for Wireless Sensor Networks by Qingchun Ren, Qilian Liang

“…In this paper, extending our previous works on query processing, we propose two methods to substitute cosine measure for vector similarity: cosine-length…”
Get full text

Asynchronous energy-efficient MAC protocols for wireless sensor networks by Qingchun Ren, Qilian Liang

“…In this paper, we propose two asynchronous energy-efficient MAC protocols: A-MAC and ASCEMAC, from contention- and schedule-based perspectives correspondingly…”
Get full text

Algorithms for Mumford curves by Morrison, Ralph, Ren, Qingchun

“…Mumford showed that Schottky subgroups of PGL(2,K) give rise to certain curves, now called Mumford curves, over a non-archimedean field K. Such curves are…”
Get full text

A quality-guaranteed and energy-efficient query processing algorithm for sensor networks by Qingchun Ren, Qilian Liang

“…Query processing methods have been studied extensively in traditional database systems. But few of them can be directly applied into sensor database systems…”
Get full text

Bitangents of tropical plane quartic curves by Baker, Matthew, Len, Yoav, Morrison, Ralph, Pflueger, Nathan, Ren, Qingchun

“…We study smooth tropical plane quartic curves and show that they satisfy certain properties analogous to (but also different from) smooth plane quartics in…”
Get full text