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slotted aloha

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Compare pure aloha and slotted aloha?

Pure ALOHA uses a very simple idea that is to let users transmit whenever they have data to send. Pure ALOHA is featured with the feedback property that enables it to listen to the channel and finds out whether the frame was destroyed. Feedback is immediate in LANs but there is a delay of 270 msec in the satellite transmission. It requires acknowledgment if listening to the channel is not possible due to some reason. It can provide a channel utilization of 18 percent that is not appealing but it gives the advantage of transmitting any time. Slotted ALOHA divides time into discrete intervals and each interval corresponds to a frame of data. It requires users to agree on slot boundaries. It does not allow a system to transmit any time. Instead the system has to wait for the beginning if the next slot.


When was The last time Tom Brady got penalized for delay of game?

Prior to week 2 of the 2009 NFL season, the last time Tom Brady was flagged for delay of game was in 2007. He was flagged for a delay of game penalty in week 2, versus the San Diego Chargers with 12:08 remaining in the first quarter.


What is the future tense of 'delay'?

The future tense of delay is will delay.


Why use a Time delay fuse versus non time delay?

A time delay fuse will allow for a temporary spike in the current (up to 100 or 200% of the fuse rating), such as when starting a motor. A regular (non-time delay fuse) will not allow for any spike over the current rating of the fuse. If you have a motor that pulls 2 amps while running, but pulls 6 ampls while starting, then you will want to use either a 6 amp non time delay fuse, or a 2 amp time delay fuse. If you are talking about pyrotechnics, a time delay (properly called a slow burning) fuse will give you more time to run for cover.


How do you model inertial and transport delay using Verilog code?

In Verilog, you can model inertial delay using # delay model and transport delay using tran delay model. # delay model specifies inertial delay by adding a delay value after signal assignment, while tran delay model specifies transport delay using the tran keyword before signal assignment. Both delay models can be used to accurately model timing behavior in digital circuits.


What are the 4 main types of delays occured in packet switching?

Processing delay Queuing delay Transmission delay Propagation delay


Is Stephen Kirk associated with shareholder unhappiness at World Television PLC?

Kirk did step down following the decision to delist as he was happy to delay it to consider further.


What is synonym of delay?

delay,wait,stop


What is the plural form of the word delay?

The plural of delay is delays.


What is the birth name of Tom DeLay?

Tom DeLay's birth name is Thomas Dale DeLay.


What is the past tense of delay?

The past tense form of the verb 'delay' is 'delayed'.


What is Google maps delay time versus total time?

Google Maps provides two main time estimates for a journey: total travel time and delay time. Total travel time is the estimated duration to complete the trip under normal conditions, while delay time indicates any additional time caused by current traffic conditions or other disruptions. This delay time reflects the difference between the estimated travel time in traffic and the expected travel time without delays. Together, these metrics help users plan their trips more effectively.