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检索条件"机构=OBR Research Center of Distributed and Mobile Computing"
115 条 记 录,以下是41-50 订阅
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CMAC - A multi-channel energy efficient MAC for wireless sensor networks
CMAC - A multi-channel energy efficient MAC for wireless sen...
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IEEE Conference on Wireless Communications and Networking
作者: K.R. Chowdhury N. Nandiraju D. Cavalcanti D.P. Agrawal OBR Center for Distributed and Mobile Computing Department of ECECS University of Cincinnati OH USA
Tins paper presents CMAC, a fully desynchronized MAC protocol that is designed to exploit the existing multi-channel support in sensor nodes. The hardware requirements of our protocol are minimal, requiring a single h... 详细信息
来源: 评论
Improved Pairwise Key Establishment for Wireless Sensor Networks
Improved Pairwise Key Establishment for Wireless Sensor Netw...
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IEEE International Conference on Wireless and mobile computing, Networking And Communications (WiMob)
作者: Yi Cheng D.P. Agrawal OBR Center for Distributed and Mobile Computing Laboratory University of Cincinnati Cincinnati OH USA
Due to the resource constraints, pre-distributing secret keys into sensor nodes before they are deployed is an applicable approach to achieve information security in wireless sensor networks. Several key pre-distribut... 详细信息
来源: 评论
Analytical Modeling of the Link Delay Characteristics for IEEE 802.11 DCF Multi-Rate WLANs
Analytical Modeling of the Link Delay Characteristics for IE...
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Canadian Conference on Electrical and Computer Engineering (CCECE)
作者: Tarun Joshi Anindo Mukherjee Dharma P Agrawal OBR Center for Distributed and Mobile Computing Department of ECECS University of Cincinnati Cincinnati OH USA
Performance evaluation of IEEE 802.11 DCF has been widely studied under the assumption of a single transmission rate by all competing nodes. In practice, however, stations typically use different transmission rates. T... 详细信息
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Concurrent Packet Reception Bounds of On-Demand MAC Protocols for Multiple Beam Antennas
Concurrent Packet Reception Bounds of On-Demand MAC Protocol...
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IEEE International Symposium on Personal, Indoor and mobile Radio Communications (PIMRC)
作者: Vivek Jain Dharma P. Agrawal OBR Center for Distributed and Mobile Computing Department of ECECS University of Cincinnati Cincinnati OH USA
Multiple beam antennas can initiate several data communications concurrently by forming spatially separable beams. However, their concurrent packet reception (CPR) capability is largely governed by the underlying medi... 详细信息
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WLCp1-15: Optimal Transmission Range with Delay Constraints for mobile Wireless Networks
WLCp1-15: Optimal Transmission Range with Delay Constraints ...
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IEEE Globecom 2006
作者: Younghwan Yoo Xiaodong Wang Dharma P. Agrawal OBR Center for Distributed and Mobile Computing Department of ECECS University of Cincinnati Cincinnati OH USA
Assuming that all mobile nodes (MNs) have the same transmission range, the actual hop count between any two MNs is proportional to the distance between them. Based on the found relation between distance and hop count,... 详细信息
来源: 评论
Exploiting Mobility Patterns to Reduce Re-Authentication Overheads in Infrastructure WLAN Networks
Exploiting Mobility Patterns to Reduce Re-Authentication Ove...
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Canadian Conference on Electrical and Computer Engineering (CCECE)
作者: Tarun Joshi Anindo Mukherjee Dharma P Agrawal OBR Center for Distributed and Mobile Computing Department of ECECS University of Cincinnati Cincinnati OH USA
The current EAP-TLS standard accounts for authentication delays of the order of one second for infrastructure 802.11 networks. This delay is clearly unacceptable for maintaining the QoS requirements for a mobile stati... 详细信息
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Impact of Heterogeneity on Coverage and Broadcast Reachability in Wireless Sensor Networks
Impact of Heterogeneity on Coverage and Broadcast Reachabili...
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International Conference on Computer Communications and Networks (ICCCN)
作者: Yun Wang Xiaodong Wang Dharma P. Agrawal Ali A. Minai OBR Center of Distributed and Mobile Computing Department of Electrial and Computer Engineering and Computer Science University of Cincinnati Cincinnati OH USA
While most existing research efforts in the area of wireless sensor networks have focused on networks with identical nodes, deploying sensors with different capabilities has become a feasible choice. In this paper, we... 详细信息
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Extracting Critical Attributes in Wireless Sensor Networks Using Modified Regression Polynomial
Extracting Critical Attributes in Wireless Sensor Networks U...
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IEEE International Conference on Networking, Sensing and Control
作者: T. Banerjee D.P. Agrawal D. French OBR Center for Distributed and Mobile Computing The Department of Electrical and Computer Engineering and Computer Science University of Cincinnati Cincinnati OH USA
In this paper, the spatio-temporal nature of sensor data is exploited to approximate current values of the sensors based on the observation of the same sensor in the previous period of time and the neighboring sensors... 详细信息
来源: 评论
Hops-based Sleep Scheduling Algorithm for Enhancing Lifetime of Wireless Sensor Networks
Hops-based Sleep Scheduling Algorithm for Enhancing Lifetime...
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IEEE Internatonal Conference on mobile Adhoc and Sensor Systems (MASS)
作者: Yun Wang Demin Wang Weihuang Fu Dharma P. Agrawal OBR Center of Distributed and Mobile Computing Department of Electrical and Computer Engineering and Computer Science University of Cincinnati Cincinnati OH USA
In this paper, we study the node sleep scheduling scheme in the commonly used static disk model for sensor networks, where homogenous sensors are uniformly distributed in a circular area with a stationary sink located... 详细信息
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Channel Assignment with Route Discovery (CARD) using Cognitive Radio in Multi-channel Multi-radio Wireless Mesh Networks
Channel Assignment with Route Discovery (CARD) using Cogniti...
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IEEE Workshop on Networking Technologies for Software Defined Radio Networks (SDR)
作者: Chittabrata Ghosh Dharma P. Agrawal Department of ECECS University of Cincinnati Cincinnati Ohio USA OBR Center for Distributed and Mobile Computing Department of ECECS University of Cincinnati Cincinnati Ohio - 45219. Email: dpa@ececs.uc.edu
For better spectrum utilization, efficient channel allocation in multi-radio wireless mesh networks has become an active research area. Our proposed CARD algorithm deals with the application of cognitive mesh routers ... 详细信息
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