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Random SALOHA and CSMA protocols which are used to entry MAC in advert hoc networks are very small in comparison to the a number of and spontaneous use of the transmission channel. so that they have low immunity to the issues of packet collisions. certainly, the transmission time is the severe think about the operation of such networks.
The simulations show the confident impression of erasure codes at the throughput of the transmission in advert hoc networks. notwithstanding, the community nonetheless suffers from the intermittency and volatility of its potency all through its operation, and it switches fast to the saturation quarter. during this context, online game conception has verified his skill to steer the community to a extra effective equilibrium. This, we have been resulted in suggest our version code set that formalizes the habit of nodes in the course of transmission inside of SALOHA networks and CSMA respectively
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Extra resources for Ad Hoc Networks Telecommunications and Game Theory (Iste)
If the node detects that the channel is occupied during BT, it starts over and waits for the channel to become free during the DIFS; 20 Ad Hoc Networks Telecommunications and Game Theory this time, if the channel is still free when the backoff reaches a value of zero, the node starts its transmission immediately. After each successful transmission, the receiving node sends an acknowledgment frame to the transmitter after an SIFS. However, if the transmission is unsuccessful, the node enters a double-length backoff [0 – 2*CW] in order to reduce the number of collisions in the event that multiple nodes wish to access the transmission channel.
What is the impact of this independence on network performance? What is the best way to deal with these types of situations in order to arrive at a solution that is agreeable to all the elements of the network? The answers to these questions may give rise to new ideas that will be useful for the design of new networks in the future. To illuminate these points in question, in the second part of this chapter we will discuss the relationship between game theory and telecommunications, and the benefit it may have for the various functions and services of telecom networks.
2. 11, we differentiate four types of IFS: short IFS (SIFS), point coordination function (PCF) IFS (PIFS), DCF IFS (DIFS) and extended IFS (EIFS), listed in decreasing order of duration as follows: – SIFS is the shortest distance between the four types of IFS. It separates a data packet from its acknowledgment. It is used for the transmission of ACK and CTS frames, responses to polling and barrages of frames sent by a single node. SIFS value is set by the PHY layer and is calculated so that the transmitting node is capable of switching in reception mode in order to decode the incoming packet.