pla assay to check the interaction between v1 and v0 in situ
Design implementation of low power MAC protocol for wireless body area network
... beacon frame And the data is transmitted to the relaying node in one time interval, and it is being relayed to the hub in another time interval The problem with this scheme is that firstly the prediction ... is placed on the left side of the hip Fig 1.2b and 1.2c show the top view of the human torso in the given example As shown, with the user standing still, the line of sight CHAPTER Introduction ... node, and eliminates collisions and idles listening within the network, in turn reducing the energy wastage The protocol design is actually constrained by the capability of the RF front end, in...
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Báo cáo hóa học: " Research Article Combined Rate and Power Allocation with Link Scheduling in Wireless Data Packet Relay Networks with Fading Channels" pptx
... activating the incoming link so as to increase the buffered packet number from the very low level, the system will be steered into a lower-cost state Indeed, when the initial state corresponds to ... modeling We consider N transmitting source nodes Let xi (t), t = kT, i = 1, , N, denote the gain of the incoming channel between the ith source and the relay Let the gain of the outgoing link ... shows the allocation of link scheduling to the incoming links or the outgoing link, depending on whether or not the buffer level exceeds EURASIP Journal on Wireless Communications and Networking...
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Báo cáo hóa học: " Accelerometer-based wireless body area network to estimate intensity of therapy in post-acute rehabilitation" pptx
... therapy unit The therapy was conducted by the clinicians without any intervention from the observer Participants were evaluated prior to the beginning of the observations using a battery of standardized ... from the FRSQ The authors would like to thank Karine Perreault and Caroline Doyon for their contribution in evaluation and recruitment of participants Finally, the authors would like to thank the ... prosthesis), Stairs (climbing stairs, up and down), Weight bearing (various activities where the goal is to put weight on the limbs) and Others (all other activities that does not fit in any of the...
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Báo cáo hóa học: " TCP-based window-size delegation method for TXOP Exchange in wireless local area networks" ppt
... from RTT between the proxy server and the AP RTTP Since the proxy server is located in the same as the AP and the others’ corresponding server is located in somewhere in the Internet, RTTo can ... frame, and the AP sends a CTS frame back to the STA to allocate a TXOP to it and to prohibit the other STAs from sending any frames during the network allocation vector (NAV) period Since the RTS ... the STAs share TXOPs of the AP for their downlink communications On the other hand, AP sends a packet in the top of sending queue of the AP Therefore, to enable an STA to delegate its TXOPs to...
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báo cáo hóa học:" A power efficient MAC protocol for wireless body area networks" pot
... be used to send emergency command to the controller efficiently Power efficiency is the dominant factor in designing and implanting a wireless sensor network MAC protocols in WSN aim to reduce ... signal to wakeup a BN from sleep state to wakeup state The BN sends an acknowledgement (Ack packet) to the BNC indicating it is now awake The BNC then sends the beacon to the node The BN grabs the ... follows In Section 2, we discuss the wakeup radio concept and the motivation behind our works In Section 3, we describe the techniques and methodology used in our proposal In Section 4, we explain the...
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báo cáo hóa học:" Brief Communication: Economic Comparison of Opportunistic Infection Management With Antiretroviral Treatment in People Living With HIV/AIDS Presenting at an NGO Clinic in Bangalore, India" doc
... in the national capital, and the remainder in the medium-prevalence states) The program goal was to initiate HAART in 25,000 PLHA in that time period The national estimate for AIDS cases in India ... selected, 25 in the HAART arm and 25 in the OI arm Table provides baseline details of those included in the study, and Table provides clinical features of PLHA in the OI and HAART arms There were ... HAART drugs, and these concessions are in turn passed on to the PLHA A pertinent question for NGOs in such settings would be in regard to costs incurred by the organization and the PLHA for HAART/OI...
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Báo cáo hóa học: " Research Article Outage Probability versus Fairness Trade-off in Opportunistic Relay Selection with Outdated CSI" doc
... belonging to the decoding subset dedicate battery power to the following actions: (i) FDD: battery power is mainly used to transmit the signaling message to the destination indicating that the ... time-slot, the source transmits the information to the relays, which attempt to demodulate and decode this information In the second time-slot, the relays encode again the information and retransmit ... relays belonging to the decoding subset send a signalling message to the destination (i.e., BS) indicating that they are able to relay the message This signalling message can be, for instance, a...
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Báo cáo hóa học: " Minimum-length scheduling with rate control in wireless networks: a shortest path approach" docx
... transmitter index value in the new ordering, below which all the transmitters must belong to the set J and above which (that is, the remaining ones), they must belong to the set K \J Since the objective ... first need to sort the DAG in topological order and then use a sequence of edge relaxations until we obtain a shortest path from the source x0 to the vertex corresponding to the vector Topological ... that the time to deliver all the traffic to the intended receivers is minimized The single-hop network assumption, albeit simplifying, is interesting and highly non-trivial since it captures the...
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Natural convection mass transfer hydromagnetic flow past an oscillating porous plate with heat source in a porous medium
... due to the flow is neglected with respect to the applied magnetic field and the pressure in the flow field is assumed to be constant If v0 denotes the suction/injection velocity at the plate, the ... in the flow field influences the velocity of the field to an appreciable extent These effects have been shown in Figure In the figure curve with Sc= refers to the absence of foreign mass in the ... oscillating plate Jain and Gupta [13] have reported the unsteady hydromagnetic thermal boundary layer flow past an infinite porous surface in the slip flow regime Singh and Gupta [14] studied the...
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Tài liệu An Evaluation of A Participatory Research Approach in Rainfed Lowland Area of Vinh Trach Village, B pptx
... During the process of the field site activities, the Participatory Assessment and Planning (PAP) and Participatory Monitoring & Evaluation (PME) were the major tools to be used for community and ... household intervention for making plans, setting priorities and evaluating innovations in order to improve household farming and its incomes By those participatory approaches, the SWG, farmers and ... the field to make observations, gathering data and processing data The role of SWG is to facilitate the whole process, they were not only to plan but to help farmers in experiment design and implementation...
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Báo cáo hóa học: " A survey of performance enhancement of transmission control protocol (TCP) in wireless ad hoc networks" pptx
... and finding out the minimum available bandwidth along the path, and using the information to inject the data into the network accordingly To compute the transmission rate, this mechanism uses the ... better to restore the cwnd to its original state (the state before the route failure) rather than restore the cwnd to its initial size as in the slow start phase Thus, both the TCP-F and the ELFN ... that a link is near to breaking, and the routing protocol then informs the packet source As a result, the source stops sending packets, and route discovery is initiated Reactive LM increases the...
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Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... used to write algorithms in the remaining of the paper Each sensor node i, including the base station, maintains the following variables (i) Fatheri : the father of the sensor in the final spanning ... in its neighboring hood to allow other nodes to join the tree and so on until all the nodes join the tree When receiving other Hello messages, each node uses them to set its list of sons in the ... containing the identifiers of the sons of node i within the tree (iv) Neighborsi : a list containing the identifiers of the neighbors of node i This list is maintained to cope with node failure and...
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báo cáo hóa học:" Research Article An Energy-Efficient Target Tracking Framework in Wireless Sensor Networks" pot
... when i > Then, it tests the quality of the current tracking result If the result is satisfying, the MA will terminate the migration and go back to the CH; otherwise, the MA will migrate to the next ... (expatiated in Section 4) to obtain progressive tracking result by integrating the current TDOA into a Bayesian inference framework If it is the last node needing to be queried or the new progressive ... Advances in Signal Processing 35 terminate migration and return to the CH The tracking accuracy can be measured by either the determinant of the estimation covariance Σk+1 or the magnitude of the...
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Báo cáo hóa học: " Research Article HUMS: An Autonomous Moving Strategy for Mobile Sinks in Data-Gathering Sensor Networks" pptx
... the sink In the second phase of the data-gathering period, the sensor nodes report their data to the sink in a multihop manner As the sensor nodes know the positions of the sink and their one-hop ... Considering that the sensor nodes near the sink are inclined to become hotspots with the multihop routing protocols, we suggest that the sink should move proactively to shift the hotspot area to different ... sensor nodes in its vicinity have to be informed of the movement, and the nodes far from it not have to change their directions of sending data The sink can control the spreading range of the notification...
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Báo cáo hóa học: " Optimizing Transmission and Shutdown for Energy-Efficient Real-time Packet Scheduling in Clustered Ad Hoc Networks" potx
... elaborates on the energy and performance radio model and on the data link control protocol Taking into account all practical overheads, we present in Section the tradeoff between rate scaling and shutdown ... want to determine the total energy and time needed to send a packet with a given packet error rate (PER) The protocol overhead introduced by this piggybacking mechanism in addition to the protocol ... interest too The overhead of the POLL or control message to inform the peers of the schedule is not included in the per packet values, and should be added once per scheduling period This leads to the...
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Lightpath routing with survivability requirements in WDM optical mesh networks
... corresponding to an incoming link, M wavelength multiplexers each corresponding to an outgoing link, and W M × M optical switches each corresponding to a wavelength The incoming signal on a link is ... combines all the different wavelengths from optical switches into the corresponding outgoing link This configuration allows a wavelength on an incoming link to be switched to any outgoing link, independent ... signals to various routing nodes along the selected route informing them to reserve the selected wavelength on the specified links The information about the chosen route and wavelength is sent to the...
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Dynamic association in wireless mesh networks
... Mechanisms in Wireless Networks anisms consider link quality as the main factor In [18], the authors estimate the link quality using Signal to Interference and Noise Ratio (SINR) in the uplink and downlink ... auto-configuration and self-healing All the mesh routers self-organize to form the multi-hop mesh backbone, and they auto-configure and self-heal themselves to maintain the mesh connectivity, in ... portals They can connect to the Internet and other types of networks In order to determine the best path be17 CHAPTER Wireless Mesh Networks tween STAs or between STA and other networks (e.g., the Internet),...
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Interference minimized multipath routing with congestion control in wireless sensor network for multimedia streaming
... describes the network simulator used 2.1 Routing Protocols Routing protocols are used to find and maintain routes between source and destination nodes Two main classes of routing protocols are ... energy-constrained WSN to the nearest gateway nodes linking to the UAV backbone network The problem is being defined as a multipath and multi-hop routing problem, where the source is the sensor with EO and ... flow Since all the links ′ k,(k+1) are independent, therefore B(P1s,d ) = min{B(l1 k,(k+1) )} = min{b1 , ∀k where ≤ k ≤ (Kp=1 − 1) In other words, the available bandwidth of the single routing...
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Game Theory in Wireless and Communication Networks: Theory, Models, and Applications
... determined by the 48-bit Bluetooth device address of the master The Bluetooth clock of the master clock determines the phase in the hopping pattern, thereby determining the particular frequency to ... decision-making of the players, taking into account the presence or lack of information For instance, when the players are allowed to act multiple times, the behavior of these players can be analyzed using ... discipline, the ideas underlying it have appeared in various forms throughout history and in numerous sources, including the Bible, the Talmud, the works of Descartes and Sun Tzu, and the writings...
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wireless personal area networks - performance, interconnection, & security with ieee 802.15.4
... coordinators is purely arbitrary The standard allows any of the cluster coordinators to undertake the role of the coordinator of the entire PAN; the original PAN coordinator is then relegated to the ... but using the PIFS interval The polling continues in round-robin fashion (i.e., one node at a time), until all the nodes are polled Then, the point coordinator remains idle until the end of the ... executing on it prepares a packet to be sent to the coordinator Furthermore, both the original uplink transmission from a node to the coordinator and the subsequent acknowledgment must occur within...
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