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In an 802.11 WLAN, suppose the duration of the propagation delay is k, transmission time for RTS, CTS or ACK frames is 5k, SIFS is k, and DIFS is 3k. Assume the sender and the receiver use CSMA/CA with RTS/CTS enabled.
Once the sender finishes sending an RTS (say at time 0), the earliest time before it can completely receive the corresponding CTS is _____ k.
Suppose the sender sends a frame that is 100k long (transmission time). The minimum total time that elapses in the exchange of RTS/CTS/data/ACK is ______ k.
Measure time at the sender, from the beginning of the transmission of the RTS until the complete receipt of the ACK.
Sketch a data-parallel program to find the last record in a linked list where initially each record contains the address of the next item in the list (except for the last item, whose next address is null ).
In Unix-like operating systems, there is both a API library function named read(), and asystem call referred to as read in the Unix documentation. However, Unix system calls do notactually have names like a library function does.
The adoption of wireless technologies varies from one industry to another, and is often based on the benefits provided versus the challenges, implementation issues, and security issues associated with wireless technologies. Consider the wireless c..
Submit your programs by email. The program should have as many comments as necessary. The top comments should explain how to run and test the program. If any two assignments have the same code, zero marks will be assigned to the assignments.
Just as Motorola believed in the mid-1990s that cellular customers would be slow to switch from Motorola's analog phones to digital phones produced by Ericsson and Nokia, their faith in Iridium and its technology was unshakable
Create a GUI application with JFrame that contains five labels describing reasons that a customer might not buy a specific product (e.g. "too expensive"). Place a JButton on the JFrame, and code its functionality so that every time the user cl..
Construct a world, and then design your controller and discuss how your controller design is influenced by the game-play world.
What are the different types of information extraction from structured text?
Rachel's Day Off Swimwear is a successful chain of high end swimsuit boutiques. In the last six months, the firm added several new lines and opened a dozen new stores.
Social Media Companies review the conversations, comments, complaints, and feedback written on online social networks to obtain valuable information.
Based on what you have learned about mobile and wearable computing devices, prepare a 5-slide presentation to a department head or the CEO of a company to convince the audience that these devices and the data from these devices would benefit their..
In addition, describe the purpose of fixed-size content. When should this layout/design be used?
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