activation ros production and cell death induced by art is dependent on lysosomal iron
Design implementation of low power MAC protocol for wireless body area network
... implementation, and consumes low power The design of the physical and application layers are not the concerns of this dissertation 1.3.2 Research Contributions As discussed in Section 1.2, the varying on- body ... mentioned in Chapter 1, this dissertation consists of two parts The first part focuses on the ASIC implementation of a light-weight TDMA MAC protocol design, while the second part focuses on relay ... problem with this scheme is that firstly the prediction is heavily relied on the assumption that the on- body channel conditions have periodic patterns along time, this is true when user is going through...
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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
... TRANSMISSION In this section, we describe the packet transmission mechanism We assume that the source buffer is always nonempty and that the relay buffer is sufficiently large such that the issue ... function is computed by value iteration in 50 steps, which further determines the optimal transmission link allocation, and rate and power selection Our computations indicate that the value function ... Journal on Wireless Communications and Networking where 1A is the indicator function for the set A By use of the transition matrices for xt and yt , it is easy to obtain the stationary distributions...
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Báo cáo hóa học: " Accelerometer-based wireless body area network to estimate intensity of therapy in post-acute rehabilitation" pptx
... Authors' contributions SC and PB developed study concept and design SC, PB and MH all participated in data analyses and interpretation SC assumed manuscript preparation and the coauthors participated ... to living environment (13.5 own home, 29.0 intermediate resources and 55.0 long-term care institutions) and nursing care time The institutional Figure Time and motion observations and recording ... compromise their capacities to understand the nature of their participation in the study were excluded Participants were recruited about one week after their admission to the IFRU Their participation...
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Báo cáo hóa học: " TCP-based window-size delegation method for TXOP Exchange in wireless local area networks" ppt
... STAs, which is confirmed by computer simulations We also confirmed that our method requires no modification to legacy APs and STAs and needs only minimal modifications of the TCP functions of the ... the conventional cooperation methods in wireless networks including [11] and [12] were discussed only in the link or /and physical layer Conclusion We proposed a TCP window-size delegation method ... coordination algorithm that ensures fair incentives for cooperation between STAs Acknowledgements This work is supported in part by the National Institute of Information and Communications Technology...
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báo cáo hóa học:" A power efficient MAC protocol for wireless body area networks" pot
... proposed model and is reasonable for delay sensitive application scenarios The fact is that we used purely TDMA based mechanism and has only radio wakeup delay and transmission delay This is evidently ... should be avoided, as retransmission leads to extra power consumption and delay The on- demand wakeup mechanism proposed in this study can help avoid collisions, and delay It also reduces the ... cycle, is very popular in WSN A node can also remain in off state until it is woken up by an out-of-band radio mechanism It is commonly known as the on- demand mechanism Duty cycle is one of 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
... of admission and episodes of OP (mean, 9.2 ± 4.2) follow-up There were no admissions in PLHA in the HAART arm, and there were 12 episodes of followup (mean, 10.96 ± 2.92) Economic Comparisons DMC ... providing HAART by this NGO and by PLHA Materials and methods Setting Freedom Foundation is an Indian NGO with many centers that provide care and support for PLHA This study was conducted in ... counts and x-rays, were referred out Between April 2003 and April 2004, there were 629 (IP + OP) new registrations, 407 readmissions, and 2350 OP follow-up visits.[16] Among the new registrations...
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Báo cáo hóa học: " Research Article Outage Probability versus Fairness Trade-off in Opportunistic Relay Selection with Outdated CSI" doc
... Section by using outage probability versus standard deviation of the power consumption plots Finally, in Section 5, the summary and conclusions of this paper are presented System Model Consider ... on Wireless Communications and Networking Contributions In this paper, we concentrate our efforts on the analytical study of the behavior of ORS based on decode and forward protocol in a realistic ... relay is in outage conditioned on the fact that the decoding subset is DSl In [8], this probability was solved by assuming an ideal scenario with an absolute SNR selection Our contribution here is...
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Báo cáo hóa học: " Minimum-length scheduling with rate control in wireless networks: a shortest path approach" docx
... transmission powers and rates are fixed, (2) the transmission powers can be optimized, but the transmission rates are fixed, and (3) the transmission powers are fixed and each transmitter is allowed ... consider joint scheduling and rate control decisions Finally, and more importantly, we generalize existing work by considering the more realistic case of timevarying channels The rest of this ... of bit error, the coding and modulation techniques employed at the transmission, etc In this paper, we focus on the dependence of this threshold on the transmission rate and assume that the rest...
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Natural convection mass transfer hydromagnetic flow past an oscillating porous plate with heat source in a porous medium
... (3) ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2014 International Energy & Environment Foundation All rights reserved International Journal of Energy and Environment (IJEE), Volume 5, Issue ... (8) ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2014 International Energy & Environment Foundation All rights reserved International Journal of Energy and Environment (IJEE), Volume 5, Issue ... temperature and concentration distribution of the flow field u=u0+u1eiωt, (11) T=T0+T1eiωt, (12) C=C0+C1eiωt (13) Using equations (11)-(13) in equations (7)-(9) and separating the harmonic and non-harmonic...
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Tài liệu An Evaluation of A Participatory Research Approach in Rainfed Lowland Area of Vinh Trach Village, B pptx
... Farmers participated in the project activities and followed-up Describe of activities FFS on rice production, application of IPM and LCC on rice FFS on cucumber production, application of IPM and ... (FFS) FFS as a participatory method for group learning for innovation more effectively Two FFSs (the first on rice production and second on safety cucumber production) were conducted in the research ... agricultural land of the village belongs to rainfed lowland and extremely influenced by saline water intrusion in the dry season Rice farming is a major production activity but low yield and low income...
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Báo cáo hóa học: " A survey of performance enhancement of transmission control protocol (TCP) in wireless ad hoc networks" pptx
... TCP-COPAS (TCP-contention-based path selection) mechanism, which will be discussed in Section 4.3.3, contradicts this strategy 4.3.2 Congestion and transmission losses Fractional window increment ... collision avoidance; cwnd: congestion window; ctwnd: contention window; COPAS: contention-based path selection; C3TCP: crosslayer congestion control for TCP; DACK: delay acknowledgement; DNPD: distributed ... the non-duplicate RREQ packet, and a decision is made on the basis of this weighted average as to which path is the least contended The COPAS mechanism is applicable to any source initiated on- demand...
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Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... paper is organized as follows First, we discuss related work in Section In Section 3, we present our solution and give its detailed algorithms Section is devoted to an analysis and a simulation ... the assumptions and notations used in the design of the solution, and then we give the detailed algorithms 3.1 Assumptions and Notation Our solution relies on the following assumptions (i) The ... our solution is acceptable for nowadays sensors The analysis of the communication complexity for the construction of the tree is measured by the number of messages received and issued by each node...
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báo cáo hóa học:" Research Article An Energy-Efficient Target Tracking Framework in Wireless Sensor Networks" pot
... function, and ut is the process noise yt is the sensor measurement at time t f y (·) is the observation function, and wt is the observation noise ut and wt are assumed statistically independent ... short Cancellation message to the base station, which indicates that the previous registration of MA corresponding to the current tracking task will be cancellation The registration-cancellation mechanism ... Fpower, j , Finfo, j , and Fcomm, j are the power attraction component force, information attraction component force and communication attraction component force exerting on si by s j , respectively...
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Báo cáo hóa học: " Research Article HUMS: An Autonomous Moving Strategy for Mobile Sinks in Data-Gathering Sensor Networks" pptx
... Wang, and J Liang, “Optimal dynamic actuator location in distributed feedback control of a diffusion process,” in Proceedings of the 44th IEEE Conference on Decision and Control and European Control ... region is divided into 25 × 25 cells, and the z-axis denotes the average energy consumption of the nodes in the Average network lifetime (s) Yanzhong Bi et al 11 ×103 80 75 70 65 adopt a long distance ... in the energy model εfriis-amp in the energy model εtwo-ray-amp in the energy model Value 30 seconds 300 seconds 10 seconds 200 seconds 60 seconds 88 bytes bytes bytes bytes CSMA 433 MHz 19.2...
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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
... correspond to two extreme cases and that the optimal transmission strategy in a multiuser scenario consists of a cross-layer combination of both approaches Our contribution in this paper is a solution ... communication is scheduled so that each node is only awake, that is, only consumes energy, when communicating The wake up energy cost is paid once each scheduling period, and is hence not considered ... target PER and delay constraint) Also, as the optimal combination of shutdown and scaling depends on the power ratio C, it is also affected by this discretization Considering a maximum MU-CL distance...
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Lightpath routing with survivability requirements in WDM optical mesh networks
... the connections are sorted in the non-increasing order of their hop length It assigns wavelengths to connections one by one starting from the longest path The rationale for this heuristic is the ... low-attenuation band, and this is 1,000 times the total bandwidth of radio on the planet Earth [4] At the Tb/s rate, one hair-thin fiber can support about 40 million data connections at 28kb/s, 20 million ... messages and the sequence of actions to be performed upon receiving the connection requests and control messages Only a few studies on all-optical networks focus on distributed network control and...
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Dynamic association in wireless mesh networks
... consider the access links and multi-hop wireless backbone jointly Namely, this is a cross-layer association mechanism Our dynamic association mechanism in 802.11 based WMNs is based on this cross-layer ... association decisions should be optimum to the network conditions persistently Therefore, dynamic re-association is introduced to characterize the randomly varying network conditions All MAPs detect and ... oscillation avoidance schemes and network convergence speed and so on We obtain convincing results from these experiments and are confident that our mechanism outperforms other existing mechanisms...
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Interference minimized multipath routing with congestion control in wireless sensor network for multimedia streaming
... simulations used to evaluate and validate the proposed solutions and also presents and discusses simulation results Chapter concludes this thesis, discusses possible limitations and suggests future works ... successfully receive a transmission from node ni if conditions and are satisfied If physical carrier sensing is used in the Medium Access Control (MAC) protocol, an additional condition is required dij ≤ ... ’s transmission as received at nj is calculated and the transmission is only successful if and only if SN Ri,j ≥ SN Rt hresh, where SN Ri,j denotes the SNR at node nj for the transmissions received...
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Game Theory in Wireless and Communication Networks: Theory, Models, and Applications
... packet consists of an access code, a header, and a payload The access code is 72 bits long and is used for clock synchronization, DC offset compensation, identification, and signaling The header is ... Cooperative-transmission protocols 12.1.2 State of the art and impact on different layers Non-cooperative game for relay selection and power control 12.2.1 Relay-selection and power-control problem ... applications in wireless and communication networks Class II: coalition-formation games 7.4.1 Main properties of coalition-formation games 7.4.2 Impact of a coalitional structure on solution concepts...
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wireless personal area networks - performance, interconnection, & security with ieee 802.15.4
... reservation and allocation Time synchronization is usually achieved by having one of the nodes periodically broadcast some sort of synchronization signal (the beacon) which is then used by other ... sink (this is often referred to as the uplink direction) The traffic in the opposite direction is generally much smaller and consists of control information and, possibly, queries issued by the ... impaired by packet errors caused by noise and interference At the MAC (Medium Access Control) level, throughput may be impaired by collisions, if a contention-based medium access mechanism is used,...
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