By Gungor V.C., Lambert F.C.
In contemporary aggressive electrical application market, trustworthy and real-time details turn into the main issue for trustworthy supply of energy to the end-users, profitability of the electrical software and purchaser delight. The operational and advertisement calls for of electrical utilities require a high-performance info communique community that helps either current functionalities and destiny operational necessities. during this appreciate, on the grounds that any such conversation community constitutes the middle of the electrical method automation functions, the layout of a cheap and trustworthy community structure is essential. during this paper, the possibilities and demanding situations of a hybrid community structure are mentioned for electrical procedure automation. extra in particular, web dependent digital inner most Networks, strength line communications, satellite tv for pc communications and instant communications (wireless sensor networks, WiMAX and instant mesh networks) are defined intimately. the incentive of this paper is to supply a greater figuring out of the hybrid community structure which may supply heterogeneous electrical process automation software necessities. during this regard, our target is to offer a based framework for electrical utilities who plan to make use of new communique applied sciences for automation and accordingly, to make the decision-making strategy more suitable and direct.
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Additional resources for A survey on communication networks for electric system automation
What is diﬀerent from the other RTP-similar feedback rate adaptive approach is that we introduce a packet arrival percentage value as the feedback information, which is used by the server to determine the optimal transmission rate for the client. No explicit congestion signal from the network is needed. Our proposed scheme performs the following three steps: 1. Feedback analysis. The feedback information of all the clients is analyzed, including the packet loss rate, playback requirement, packet arrival percentage, and buﬀer occupancy.
The reason is that the protocol provides for the double retransmission of the search_IP packet if no collision occurs before the Initiator sends the address to the Requester, to recover possible lost packets. So the relationship that links the packets for the conﬁguration of the nodes is: n search IP % n used IP þ 2 Ã n initialize. ð3Þ The most frequently used packet in the simulations with 10 or 20 nodes is search_IP1, which characterizes the initial conﬁguration of the nodes. The number of goodbye packets (which are sent by the nodes that decide to switch to another network) and of check_partition packets (for the control of partitioning) is nearly the same.
With the same value of NetID) in the diﬀerent simulations. With NS2 we have also estimated the number/ type of messages exchanged by our protocol with the quantitative evaluation of the traﬃc load. 4). 1. Reference scenario We have performed our simulations using the mobility model included in the NS2 wireless exten- M. Fazio et al. / Computer Networks 50 (2006) 898–920 911 Fig. 8. Screenshot of a simulation run. , the CMU random waypoint model. During our tests, the sets of 10, 20, 30, 40, 50 and 60 nodes have been distributed random over an area of 100 · 1000 m.