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Calculate the duration of a symbol for a bit in a two-phase modulated system transmitting at 20 Mbits/sec in a spectrum with central frequency 2.45 GHz. What will be the duration of each bit in one of the subcarriers of an OFDM system which uses 1024 sub-channels? Next, assuming the system operates in the spectrum range 2.4 to 2.5 GHz, determine how many cycles of the central frequency, 2.45 GHz, will be repeated during the trans- mission of one bit in both systems the system which uses twophase modulation directly modulated onto the carrier frequncy of 2.45 GHz, and the OFDM system, in which each sub-carrier is modulated much more slowly. Suppose a bit is transmitted via two paths: path 1 with delay 100 nanoseconds, and path 2, with delay of 125 nanoseconds. Calculate the degree of overlap of the symbols for one bit, in %, in both cases, ie for the direct FSK system and the OFDM system with 1024 sub-carriers.
Design an algorithm (using pseudocode) that takes in as an input, two 2-D int arrays that are assumed to be 2 black-and-white images: initialImage x, whose dimensions are IxJ, and finalImage y, whose dimensions are IxK. The algorithm will compare ..
Show in milliseconds the amount of time this construct would require to execute if n were 1000 - Consider the following nested loop construct
In the current age of "hyper-connectivity", cloud computing is becoming more widely used and new platforms are emerging on a regular basis. You are required to conduct a review and comparison of public, private and hybrid cloud computing models.
The bus is 16 bits wide, and bus transfers take 500 nsec each. The average CPU instruction requires two bus cycles. How much is the CPU slowed down by DMA?
Find 1 article related to Cloud-Enabling Technology and to turn in the following: (1) TheURL of the article, (2) A brief summary of the article, and (3) a brief statement of your thoughts on the article. These items should be no more than 1 page in l..
Suppose TCP Vegas sends over the above connections, with an initial Congestion Window of 3 packets. What will happen to Congestion Window in each case? Assume Base RTT = 1 second and β is 1 packet per second.
Write a program that will demonstrate the difference between using a local page replacement policy and a global one for the simple case of two processes. You will need a routine that can generate a page reference string based on a statistical model.
Research the difference between static and dynamic RAM. What are the uses of each? How do they store memory. What are the differences between the ways they access data. Create a table comparing static and dynamic RAM
Hardware platform: Describe the hardware environment to support the development and production of this system. Network connections between the stores and headquarters: A network diagram is required.
Refer again to the information about the Reliable Pharmaceutical Service (RPS) at the end of Chapter 1, "The World of the Information Systems Analyst."
Identify five different IT systems that have affected business in the past few years (i.e., business software applications, networks, hardware, internet-based technologies, databases). For each system, briefly note the following:
Show using a state diagram the MACA Protocol
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