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To combine large number of CMOS power transistors within compact area, a 2D distributed in-phase power combiner is proposed with use of metamaterial-based zero-phase-shifter. One 54 to 62.8GHz PA has been demonstrated in 65nm CMOS with a 4×4 distributed power combining of 16 transistors in compact area of 0.48mm2. Measured results show 16.6dBm output power (OP1dB), 11.3% peak PAE, 95.2mW/mm2 output...
A 280GHz leaky wave antenna with broadside radiation is demonstrated by 13-unit-cell periodic composite right/left handed transmission line (CRLH-T-Line) in 65nm CMOS with stacking high-resistivity dielectric layer to enhance antenna radiation efficiency. The design is fabricated in CMOS 65nm process and verified by measurement in THz region from 220 to 325 GHz.
To achieve long-term sustainable development in both social and economic aspects needs significant efforts on dealing with organic waste in an environmentally friendly manner, because the benefits obtained by sacrificing the environment today will be double repaid by our children and grandchildren tomorrow. This paper presents a novel research on decision support system (DSS) for managing the interests...
The development of offshore wind energy is fast as it is clean, safe, and of high efficiency. The harsh marine environment raises high demand on the foundation design of offshore wind turbine. Earthquake loading is one of the most significant factors which should be considered in the design phase. In this paper, a group of earthquake centrifuge tests were conducted on a physical model of a wind turbine...
Due to the recent technical advances, the Radio Frequency Identification (RFID) systems are deployed in large-scale for a variety of applications during the last decade. The collisions between readers and tags are important problems in RFID systems. There are many techniques have been proposed in literature to solve the collision problems in RFID systems. The redundant reader problem in RFID systems...
The development of 3D integration technology significantly improves the bandwidth of network-on-chip (NoC) system. However, the 3D technology-enabled high integration density also brings severe concerns of temperature increase, which may impair system reliability and degrade the performance. Task scheduling has been regarded as one effective approach in eliminating thermal hotspot without introducing...
The integration of distributed energy resources into low and medium voltage networks will have profound impact on distribution network reconfiguration. In this paper, the impact of DG on distribution network reconfiguration is analyzed in both normal operation and post-fault scenarios with different load levels. Distribution system simulation is performed with the Open Distribution Simulator Software...
Poly[(R)-3-hydroxybutyrate-co-(R)-3-hydroxyvalerate] (PHBV) is a nature-derived polyester with potential application in tissue engineering scaffolds. However, PHBV is associated with disadvantages including high brittleness, slow degradation, high hydrophobicity, and unsatisfactory biocompatibility. In previous study, we improved the properties of PHBV by blending it with Ecoflex, a synthetic biopolyester...
College students are a valuable resource to a society which can not be optimally allocated entirely through the role of the market. It's necessary for the government to put out of the “visible hand” to have a strong macro-control. This paper proposes the government organise a kind of united exam on the same major of different colleges and link the test scores with various employment opportunities,...
[Objective] In order to use knowledge management to improve the core competence of supply chain; [Methods] By forming a model to improve the core competence of supply chain; [process] By studying knowledge management and its system, the present paper confirms the specific knowledge characteristics of supply chain and its core competence, analyzes the mechanism and influential factors of knowledge...
For TCP/IP Agreement has certain security bugs, the hacker catches the opportunity to attack the Network. On the basis of the analysis of the TCP/IP Agreement's vulnerability, the article has further analyzed the vulnerability of the Transport Layer Agreement, and discussed the security and the promotion method of TCP/IP Agreement's transport layer.
We consider the SINR variation generated by the change of spatial interference pattern in a cellular communication system, which is especially severe when using adaptive array for transmission. In this paper, we derive the distribution of SINR variation at the output of Interference Rejection Combining (IRC) and Maximum Ratio Combining (MRC) receivers, assuming equal-power interferers. The analysis...
This paper proposed an approach toward children surveillance using complex event processing (CEP) with sensor-based signals. Through receiving event streaming extracted from sensor signals, the system could trigger some complex events for further decision based on real-time CEP engine with event processing language (EPL). In wireless sensor network (WSN), different categories of sensing data could...
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