Admin: Ankit Pandey

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Ankit Pandey ♦♦ 0
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Posts by Ankit Pandey

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Short note on Programmable peripheral interface 8255 need for and operation in Mode 1.
... **Mumbai university > Electronics engineering > Sem 4 > MPP Marks : 5 Year : may 2018** ...
mumbai university written just now by Ankit Pandey ♦♦ 0
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Question Paper: Microprocessors and Applications Question Paper - Dec 18 - Electronics Engineering (Semester 4) - Mumbai University (MU)
... ##Microprocessors and Applications - Dec 18 ###Electronics Engineering (Semester 4) Total marks: 80 Total time: 3 Hours INSTRUCTIONS (1) Question 1 is compulsory. (2) Attempt any three from the remaining questions. (3) Draw neat diagrams wherever necessary. **1.Answer the following questions: ...
question paper mumbai university (mu) written 46 minutes ago by Ankit Pandey ♦♦ 0
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Question Paper: Microprocessors and Applications Question Paper - May 18 - Electronics Engineering (Semester 4) - Mumbai University (MU)
... ##Microprocessors and Applications - May 18 ###Electronics Engineering (Semester 4) Total marks: 80 Total time: 3 Hours INSTRUCTIONS (1) Question 1 is compulsory. (2) Attempt any three from the remaining questions. (3) Draw neat diagrams wherever necessary. **1.Answer the following questions: ...
question paper mumbai university (mu) written 47 minutes ago by Ankit Pandey ♦♦ 0
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Answer: A: Importance of PN sequence in CDMA IS95 system.
... The forward IS95 channel consists of several code channels: - The pibt channel - It is always transmitted by the BS on each active forward CDMA channel. It is unmodulated spread sequence signal (i.e. it does not contain spreading by the short walsh Hadamard code). The pilot tone is a PN-sequence wh ...
written 1 hour ago by Ankit Pandey ♦♦ 0 • updated 1 hour ago by Yashbeer ♦♦ 130
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Answer: A: Explain in detail the packet and frame formats of CDMA IS 95 system.
... The forward logical channels are of four types - the pilot, the sync, the paging, and the traffic channels. The reverse channels are either access channels or traffic channels. The forward traffic channels carries user data (either encoded data bits or encoded voice) at 9600, 4800, 2400, or 1200 bps ...
written 3 hours ago by Ankit Pandey ♦♦ 0
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Answer: A: State the radio specification of GSM.
... | Sr. No. | Parameter | Specification | |--------- |---------------------------- |-------------------------- | | 1 | Reverse Channel Frequency | 890-915 MHz | | 2 | Forward Channel Frequency | 935-960 | | 3 | ARFCN Number | 0 to 124 and 975 to 1023 | | 4 | Tx/Rx Frequency Spacing | 45 ...
written 3 hours ago by Ankit Pandey ♦♦ 0
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Answer: A: Write short notes on : MANET
... **MANET (Mobile Ad-Hoc Networks):** - Mobile Ad-hoc networks (MANETs) are collections of mobile nodes dynamically establishing short lived networks in the absence of fixed infrastructure. - Each mobile node is equipped with a wireless transmitter and a receiver with an appropriate antenna. - Nod ...
written 17 hours ago by Ankit Pandey ♦♦ 0
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Answer: A: Write a short note onTrunking and GOS.
... **Trunking:** - It is a technique which allows a large number of users to share the relatively small number of channels in a cell by providing access to each user,on demand, from a pool of available channels. - In trunk-ed radio system, each user is allocated a channel on a per call basis and upo ...
written 17 hours ago by Ankit Pandey ♦♦ 0
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Answer: A: If there are 50 channels in a cell to handle all the calls and the average call
... No. of channels N= $50$ Blocking Probability $P_{b}$ = 2% or 0.02 Offered traffic load $A_{av}$ =40.3 Erlang (from the Erlang table) Average call holding time per call = $100 \ s$ H = $\frac{100}{3600}$=$0.0278 \ hours$ We know that traffic load $A_{av}$ = $\lambda * H $ or Average call reque ...
written 17 hours ago by Ankit Pandey ♦♦ 0
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Answer: A: Explain the evolution path towards LTE and give important features of LTE.
... Technological advancements in the form of 3.5G, LTE or super 3G and Ultra Mobile Broadband (UMB) are considered to meet the demands of increasing data rate applications and value added services such as interactive video. LTE offers several benefits for users as well as service providers. IT supports ...
written 22 hours ago by Ankit Pandey ♦♦ 0

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