Machine-to-Machine (M2M) communications normally require low data transmission rates and low cost devices. Thus, how to modify existing cellular systems such as the Long Term Evolution (LTE) system to successfully support low cost M2M devices will become a major issue for industry. This paper will address one solution based on the virtual carrier system, which […]
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Signal Processing Implementation of Virtual Carrier for Supporting M2M Systems Based on LTE
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LTE Downlink Performance in High Speed Trains
Long Term Evolution (LTE) is expected to substitute the Global System for Mobile Communications (GSM) as the radio access technology for railway communications. Recently, especial attention has been devoted to high-speed trains since this particular environment poses challenging problems in terms of performance simulation and measurement. In order to severely decrease the cost and complexity […]
Read moreThis revision specifies technical corrections and clarifications to IEEE Std 802.11 for wireless localarea networks (WLANS) as well as enhancements to the existing medium access control (MAC) and physical layer (PHY) functions. TBD: It also incorporates Amendments 1 and 2 published in 2012.
Read moreFor real-time image/video transmission in implant body area networks, we have developed an in-bodytransceiver at around 30 MHz. The transceiver employs impulse radio (IR) technology with multi-pulse position modulation (MPPM) scheme. The transmit antenna was realized in a dimension of 1 × 2 cm by forming the radiation elements on a flexible magnetic sheet. Experimental results in a […]
Read moreBayesian network classifier (BNCs) are typically implemented on nowadays desktop computers. However, many real world applications require classifier implementation on embedded or low power systems. Aspects for this purpose have not been studied rigorously. We partly close this gap by analyzing reduced precision implementations of BNCs. In detail, we investigate the quantization of the parameters […]
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Gene Regulation Network Modeling via Improved Multi-agent System and Dynamic Bayesian Network
Gene regulation network is playing a more and more important role in system biology, bioinformatics and pharmacology in the era of post-genomic. This paper presents a high efficient and accurate method to model gene regulation network. In the method, we first use an improved Multi-Agent System (Im-MAS) to fuse multiple data sources to generate an […]
Read moreIn this paper, a general purpose wireless Brain- Machine -Brain Interface (BMBI) system is presented. The system integrates four battery-powered wireless devices for the implementation of a closed-loop sensorimotor neural interface, including a neural signal analyzer, a neural stimulator, a body-areasensor node and a graphic user interface implemented on the PC end. The neural signal analyzer features a four channel […]
Read moreThe temporal variation of spatial correlation between on-body radio links is empirically characterized for different walking scenarios. Nonstationary behaviors are highlighted, and a model is proposed for the long-term fading correlation.
Read moreLTE-Advanced has exploited many state of the art technics to identify itself as the main 4G mobile communication system. Among others, Relay station (RS) serves as an important role of LTE-Advanced, which costs much less, consumes less energy, and has the basic function of base station (BS). RS is able to cooperate with BS in system […]
Read moreA simple planar monopole antenna structure is presented in this paper. The proposed antenna gives desirable performance in two band of frequencies ranging from 1.70-2.16 GHz and 3.7-3.9 GHz covering thirteen full LTE bands Bl, B2, B3, B4, B9, BIO, B25, B33, B34, B35, B36, B37, B39 and oneLTE band-B43 partially. The parametric study is incorporated to obtain […]
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