Application level quality of service and information quality provisioning in sensor networks

... case of sensor networks In databases, the information is stored somewhere and the problem of handing information translates to a problem of searching and fetching the necessary information In the ... Information Quality Chapter Quality of Information The main goal of operation of sensor networks is collection of information about events and phenomena happening in the area where the sensors are ... object and process levels of IQ are tightly bound in the sensor networks Therefore we are going to distinguish only two layers of information for the case of sensor networks High -level collective information, ...

Báo cáo hóa học: " Efficient integration of secure and safety critical industrial wireless sensor networks" doc

... Efficient integration of secure and safety critical industrial wireless sensor networks EURASIP Journal on Wireless Communications and Networking 2011 2011:100 Submit your manuscript to a journal and ... using existing automation equipment and standards, addressing safety and security, using Profinet IO, Profisafe, and WirelessHART In order to retrofit security in Profinet IO we introduce a concept ... framework with a proof -of- concept implementation using Profisafe, Profinet IO, and WirelessHART using an industrial control system The integration method allows security and safety- related configuration...

Báo cáo hóa học: " MAC Protocols for Optimal Information Retrieval Pattern in Sensor Networks with Mobile Access" pptx

... throughput The effect of MAC for information retrieval on information processing is analyzed in [7, 8] for in nite and finite sensor density networks, respectively, where the performance of the centralized ... bandwidth required for sensors reporting their locations is prohibitively Here, m − points are sought instead of m points in the linear field case MAC for Optimal Information Retrieval Pattern 497 large, ... (q) for both fields also take other forms in this paper for the ease of presentation The MAC design objective for the circular field is also to minimize E{dmax } MAC FOR OPTIMAL INFORMATION RETRIEVAL...

Quality of Service and Resource Allocation in WiMAXFig Part 1 pdf

... QPSK 1/ 2 5.82 5.65 5.33 4.80 QPSK 3/4 8.73 8.47 8.00 7.20 16 -QAM 1/ 2 11 .64 11 .29 10 .67 9.60 16 -QAM 3/4 64-QAM 2/3 64-QAM 3/4 17 .45 16 .94 16 .00 14 .40 23.27 22.59 21. 33 19 .20 26 .18 25. 41 24.00 21. 60 ... orders@intechweb.org Quality of Service and Resource Allocation in WiMAX, Edited by Roberto C Hincapie and Javier E Sierra p cm 978-953-307-956 -1 Contents Preface IX Part Scheduling and Resource Allocation ... Quality of Service and Resource Allocation in WiMAX Edited by Roberto C Hincapie and Javier E Sierra Published by InTech Janeza Trdine 9, 510 00 Rijeka, Croatia Copyright © 2 012 InTech...

Quality of Service and Resource Allocation in WiMAXFig Part 5 pdf

... WiMAX physical layer standard OFDM_BPSK_1_2 in our simulations [24] 100 Quality of Service and Resource Allocation in WiMAX UGS 350 0 3000 Throughput 250 0 2000 150 0 1000 50 0 300 800 1400 1900 2400 ... for the remaining users under high SINR assumption 114 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH 10 3) Power minimization with individual rate constraints Now assume ... according to a particular algorithm, i.e., 97 Scheduling Algorithm and Bandwidth Allocation in WiMAX fixed allocation for UGS, EDF for rtVR, WFQ for nrtVR, and equal division of remaining bandwidth...

Quality of Service and Resource Allocation in WiMAXFig Part 6 pot

... pseudorandomly, thereby resulting in interference averaging as explained in Byeong Gi Lee & Sunghyun Choi (2008) 118 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH ... Fundamentals of resource allocation in wireless c networks: Theory and algorithms, Springer Thanabalasingham, T., Hanly, S V., Andrew, L L H & Papandriopoulos, J (20 06) Joint allocation of subcarriers and ... in a single RAT scenario Most of the research effort is thus on the vertical handovers management, in order to optimize the resource usage, maintaining an adequate quality- of- service and acting...

Quality of Service and Resource Allocation in WiMAXFig Part 7 doc

... left to the choice of the provider State of the art 3.1 Bandwidth sharing strategies: background To maintain a quality of service required by the constraining and restricting services, there are ... to C and types of service class (class and 2) If class (i.e aggreagted calls) uses I units then 154 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH the remained bandwidth ... 142 14 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH autonomous RAT switching strategy and the assisted RAT switching strategy and we extend the investigation...

Quality of Service and Resource Allocation in WiMAXFig Part 8 ppt

... structure deﬁned in the IEEE 80 2.16 standard for TDD in PMP mode is shown in Fig Each frame has a duration of Δ and is divided into uplink and downlink subframes At the beginning of a downlink subframe, ... presents the details of Block B of Fig 2, which calculates the mean service time of REQs 182 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH backoff begins TRE TDL TRE ... Notes in Computer Sciences, Springer-Verlag 174 28 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH S Khemiri, K Boussetta and N Achir & G Pujolle (2007) Bandwidth partitioning...

Quality of Service and Resource Allocation in WiMAXFig Part 9 docx

... uplink channel and the UL-MAP contains the physical specifications and also the time allocation of 202 Quality of Service and Resource Allocation in WiMAX resources After the downlink and uplink ... piece of information coded in 16 bits A connection is a unidirectional mapping between a BS and a 198 Quality of Service and Resource Allocation in WiMAX SS MAC peers for the purpose of transporting ... 192 16 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH J G Andrews; A Ghosh & R Muhamed (2007) Fundamentals of WiMAX: Understanding Broadband Wireless Networking,...

Quality of Service and Resource Allocation in WiMAXFig Part 10 pdf

... process of estimating resources for four frames 226 Quality of Service and Resource Allocation in WiMAX Value of guard channel (threshold) is adjusted based on the value of the declared Minimum ... throughput for DV and CTC – Map1 Fig Bandwidth utilization for DV and CTC – Map 231 232 Quality of Service and Resource Allocation in WiMAX Fig Blocking probabilities for DV and CTC – Map1 Fig 10 System ... schemes in presence of ACM is assumed to 228 Quality of Service and Resource Allocation in WiMAX be 1% All simulations have been repeated 20 times in order to increase statistical reliability of results...

Quality of Service and Resource Allocation in WiMAXFig Part 11 pot

... which included streaming video over MAC layer service connections It is shown that the technique allows 9-16% increase in 260 Quality of Service and Resource Allocation in WiMAX overall network bandwidth ... operating layer is able to classify the incoming SDU by addressing to cross-layer table for inserting the correct information in the defined header field to inform lower layer of the requested services ... conferencing Healthcare services Example(s) • Virtual multi-disciplinary team meeting in Cancer Care • Support for Minor Injury Units • Training and supervision • Prison to hospital Remote monitoring...

Quality of Service and Resource Allocation in WiMAXFig Part 12 potx

... it 274 Quality of Service and Resource Allocation in WiMAX One of the drivers of WiMAX’s development is its suitability (because of centralized scheduling using TDD) for video streaming Video ... overflow, routing (in ad hoc and mesh networks), and resource management In WiMAX multicast mode, scheduling decisions for the real-time Polling Service (rtPS) queue, one of the WiMAX quality of service ... Quality of Service and Resource Allocation in WiMAX WiMAX and IP handoff management (Chen & Hsieh, 2007) and in that way reduce the number of control messages For further general examples of cross-layer...

Quality of Service and Resource Allocation in WiMAXFig Part 13 pot

... operating conditions, and interleaving lengths 314 Quality of Service and Resource Allocation in WiMAX Fig 5.2 Architecture of the degrading concealment interleaving system Combining interleaving ... which interleavers are active in the interleaving path and thus the aggregate interleaving length at any time, a memory for storing information during interleaving and mappings between information ... WireShark software is set to access the “capture” folder in the control centre before 302 Quality of Service and Resource Allocation in WiMAX streaming the video The WireShark software is turned on and...

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