2. COVID19 is announced as pandemic by WHO and they are tracking the data of patients...
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2. COVID19 is announced as pandemic by WHO and they are tracking the data of patients for reporting purposes. UNICEF wants to collect information from all over the world and keep this communication secure. Protocol layering is an integral part of communication system which divides complex tasks into parts and make them comparatively simpler. Plan a protocol layering for this communication. Draw the layer flow diagram and explain the purpose of each layer in the process. Protocol layering must be different from TCP/IP or OSI Protocol. Question No. 2: Answer the following question? (20) 1. LED TVs have become integral part of university's receptions. You are required to select best of the below given TVs to display departmental news at the reception of the department. Higher the bit rate better the TV quality is. Support your selection with calculations. (Note: Assume random but different frame rate for each TV. TV Type Dimensions Ratio Frame Rate Color Scheme TV-1 720p 1280*720 (16:09) ? RGB TV-2 1080p 1920*1080 (16:09) ? CMYK TV-3 Square 2560 x 1600 (16:10) ? RGB TV-4 1440p 2560*1440 (16:09) ? CMYK TV-5 Square 2048 x 1536 (4:3) ? CMYK 2. Using CDMA four users are sending data in below diagram. You are required to prepare the same diagram for five users using following assumptions: a) Assume random one bit data (to be transmitted) for each users and keep one user silent b) Assume different chip code for each user as suggested by Walsh codes c) Make more assumptions if required [+1 +1 +1 +1] 1+1+1-1-11 Level 4 Level 3 Level 2 Level I Bit 0. Silent Amplitude 20 11 Station I d₁.c 1-1-1-1-11 0 100001 dyscy 32 Data Station 3 10 0 4 Question No. 3: Answer the following question? (10) 1. At least two bits are required to transfer below given data. What will happen if we use three bits instead of two. Give the pros and/or cons of doing this and support with arguments. 1-1-1-3 +11 16 bits sent in 1 s, Bit rate = 16 bps 01 01 00 00 Modulator Modulator Modulator b. A digital signal with four levels 20 24 Bandpass filter 24 28 Bandpass filter +1-1-1+1] 2. In below given scheme data was transferred from point A to B. During analysis multiple errors were found at point B. In your opinion what is the reason of high error rate and what solution do you suggest to minimize the errors. Higher-bandwidth link Bandpass filter Filter and shift Station 2 dy. 0₂ 28 32 Station 4 20 24 Shift and combine 00 24 28 Bit 0 28 32 Common channel +1 Bit I 0 10 Is 20 C₂ C₁ 0 4 Time 32 2. COVID19 is announced as pandemic by WHO and they are tracking the data of patients for reporting purposes. UNICEF wants to collect information from all over the world and keep this communication secure. Protocol layering is an integral part of communication system which divides complex tasks into parts and make them comparatively simpler. Plan a protocol layering for this communication. Draw the layer flow diagram and explain the purpose of each layer in the process. Protocol layering must be different from TCP/IP or OSI Protocol. Question No. 2: Answer the following question? (20) 1. LED TVs have become integral part of university's receptions. You are required to select best of the below given TVs to display departmental news at the reception of the department. Higher the bit rate better the TV quality is. Support your selection with calculations. (Note: Assume random but different frame rate for each TV. TV Type Dimensions Ratio Frame Rate Color Scheme TV-1 720p 1280*720 (16:09) ? RGB TV-2 1080p 1920*1080 (16:09) ? CMYK TV-3 Square 2560 x 1600 (16:10) ? RGB TV-4 1440p 2560*1440 (16:09) ? CMYK TV-5 Square 2048 x 1536 (4:3) ? CMYK 2. Using CDMA four users are sending data in below diagram. You are required to prepare the same diagram for five users using following assumptions: a) Assume random one bit data (to be transmitted) for each users and keep one user silent b) Assume different chip code for each user as suggested by Walsh codes c) Make more assumptions if required [+1 +1 +1 +1] 1+1+1-1-11 Level 4 Level 3 Level 2 Level I Bit 0. Silent Amplitude 20 11 Station I d₁.c 1-1-1-1-11 0 100001 dyscy 32 Data Station 3 10 0 4 Question No. 3: Answer the following question? (10) 1. At least two bits are required to transfer below given data. What will happen if we use three bits instead of two. Give the pros and/or cons of doing this and support with arguments. 1-1-1-3 +11 16 bits sent in 1 s, Bit rate = 16 bps 01 01 00 00 Modulator Modulator Modulator b. A digital signal with four levels 20 24 Bandpass filter 24 28 Bandpass filter +1-1-1+1] 2. In below given scheme data was transferred from point A to B. During analysis multiple errors were found at point B. In your opinion what is the reason of high error rate and what solution do you suggest to minimize the errors. Higher-bandwidth link Bandpass filter Filter and shift Station 2 dy. 0₂ 28 32 Station 4 20 24 Shift and combine 00 24 28 Bit 0 28 32 Common channel +1 Bit I 0 10 Is 20 C₂ C₁ 0 4 Time 32
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Detailed Explanation Protocol Layering for COVID19 Patient Data Gathering by UNICEF A key idea in communication system architecture is protocol stacking It entails breaking up the communication proces... View the full answer
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31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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