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Introduction to Wireless & Cellular Communications
Приєднався 21 тра 2017
Lecture 48 - Multiuser environment
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1. The translated content of this course is available in regional languages. For details please visit nptel.ac.in/translation
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Переглядів: 2 687
Відео
Lecture 47 - Rake Receiver for multipath channels
Переглядів 6 тис.7 років тому
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Lecture 49 - CDMA system Capacity
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Lecture 50 - CDMA Multiuser Detectors - Part 1
Переглядів 3,2 тис.7 років тому
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Lecture 51 - CDMA Multiuser Detectors - Part 2
Переглядів 2,4 тис.7 років тому
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Lecture 42 - Intro to Direct Sequence Spread Spectrum Communications
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Lecture 43 - Properties of Spreading Sequences
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Lecture 44 - Properties of Spreading Sequences - Part 2
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Lecture 45 - Introduction to CDMA
Переглядів 4,4 тис.7 років тому
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Lecture 46 - Features of cdma2000 and WCDMA
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Lecture 39 - Review of L19-36
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Lecture 40 - Optimum Power Allocation - Water filling
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Lecture 41 - Optimum Power Allocation - Water filling - Part II
Переглядів 4,1 тис.7 років тому
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Lecture 34 - BER in fading, Equal Gain Combining
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Lecture 36 - Alamouti Scheme - Part II, Channel Capacity
Переглядів 6 тис.7 років тому
Lecture 36 - Alamouti Scheme - Part II, Channel Capacity
Lecture 35 - Array Gain, Diversity Gain, Alamouti Scheme
Переглядів 8 тис.7 років тому
To access the translated content: 1. The translated content of this course is available in regional languages. For details please visit nptel.ac.in/translation The video course content can be accessed in the form of regional language text transcripts, books which can be accessed under downloads of each course, subtitles in the video and Video Text Track below the video. Your feedback is highly ...
Lecture 37 - Capacity of fading Channels, Capacity with Outage
Переглядів 11 тис.7 років тому
Lecture 37 - Capacity of fading Channels, Capacity with Outage
Lecture 38 - Channel State Information, Optimum Power Allocation
Переглядів 9 тис.7 років тому
Lecture 38 - Channel State Information, Optimum Power Allocation
Lecture 29 - Practical Channel Models (ITU, COST), Computer generation of Rayleigh fading
Переглядів 4,3 тис.7 років тому
Lecture 29 - Practical Channel Models (ITU, COST), Computer generation of Rayleigh fading
Lecture 30 - Rayleigh Fading simulation - Clark and Gans Method, Jakes’ Method
Переглядів 10 тис.7 років тому
Lecture 30 - Rayleigh Fading simulation - Clark and Gans Method, Jakes’ Method
Lecture 31 - Jakes’ Method properties
Переглядів 3,2 тис.7 років тому
Lecture 31 - Jakes’ Method properties
Lecture 32 - Introduction to Diversity, Antenna selection diversity
Переглядів 6 тис.7 років тому
Lecture 32 - Introduction to Diversity, Antenna selection diversity
Lecture 33 - Statistical Characterization of Antenna Diversity, Optimal Diversity Combining
Переглядів 4 тис.7 років тому
Lecture 33 - Statistical Characterization of Antenna Diversity, Optimal Diversity Combining
Lecture 25 - WSSUS Part II, Coherence Time, Doppler Spectrum
Переглядів 6 тис.7 років тому
Lecture 25 - WSSUS Part II, Coherence Time, Doppler Spectrum
Lecture 24 - MGF Part II, WSSUS Model
Переглядів 7 тис.7 років тому
Lecture 24 - MGF Part II, WSSUS Model
Lecture 26 - Doppler, Temporal Characteristics of Fading Channels
Переглядів 4,1 тис.7 років тому
Lecture 26 - Doppler, Temporal Characteristics of Fading Channels
Lecture 27 - WSSUS - Characterization of Time Dispersive Fading Channels
Переглядів 3,4 тис.7 років тому
Lecture 27 - WSSUS - Characterization of Time Dispersive Fading Channels
Lecture 28 - WSSUS - Classification of Fading Channels
Переглядів 5 тис.7 років тому
Lecture 28 - WSSUS - Classification of Fading Channels
Lecture 23 - Ricean and Nakagami Fading, Moment Generating Function (MGF)
Переглядів 11 тис.7 років тому
Lecture 23 - Ricean and Nakagami Fading, Moment Generating Function (MGF)
Lec 20 - Coherent versus Differential Detection
Переглядів 6 тис.7 років тому
Lec 20 - Coherent versus Differential Detection
excelent lecture
cool guy i love u
briliant teacher
What is the text book mentioned in the video ?
Fundamentals of Wireless Communication - Tse and Viswanath
We have already 5g
Hi Professor, how can i get ppt. It is very supportive for my study.
He mix noise figure with noise factor...
Not all traffic are routed thru fiber optic, microwave network was used for small capacity more when the cellular begin.
At 43:40, in the slide in the receiver part: he reverse speaker and antenna symbol!
great
Great and clear language. Very helping.
assume a cellular system wherein a car travels at 200 Kmph speed. Calculate how often handoffs would occur if cell radius is 8 Km? Can you provide a solution to this??
Interesting lecture, thanks
💕💕💕
sir ultra wideband shouod have lower time resolution why you said it is higher?
sir how beta by sigma comes 2 in case 3 we have to convert beta by sigma in linear scale direct division in domain is not possible
Sir when we want higher data rate then we require higher spreding factor na?
Did you video about how the signal averaging can reduce the noise? Thank you.
14:16 I liked the note about the polynomial if a full impulse response is to be used, thank you professor.
thank you professor for spending time deriving through all of the model so that I can clearly realize the reason why those parameters are picked in the specific fashion. Really helpful video to understand Jakes' model simulation by watching your Lecture 30 and 31 ~!!!
Excellent and easy to understand lecture .
sir kindly tell me hazard function in rayleigh distribution
Great lecture
title content starts from 21 :11
very well, sir
Thanks alot sir.
🙏🏽
thank you sir
31:30 Difference between circuit switch and packet switch?
39:00 why pulse shaping?
39:45 purpose of DAC here? Pulse shapper output is a continuous signal.
Take a basic Communications class. Then come here.
Great
Genius
Have never seen such a great professor with a presence of mind and fine depth of knowledge. Salute to you, Sir. Thank you. Love and respect from Pakistan. Both the questions from the students brought a deeper dive into the reasons behind today's technological race.
Got much clarity thank you sir.
কচি কচি ছেনা দুটা বিস্কুট খাবিনি!
why at 45.20 is 2+(10-1)/10 instead of 3+(10-1)/10 ?
3 db = 10 log2. Decibel converted into normal scale.
Why is it alpha^2 in the denominator at 12:09?
Here, power of noise is being calculated. So when we scale the noise by alpha, the power gets scaled by alpha^2.
Hello, i think in 9:24 with doppler shifting you are meaning fD,n for the nth path which equal fD,n= fcvcos(b)/c and not fd,n which equal too fd,n = fc + fD,n and thanks very much for those great lectures
How to get access to the lectures slides/PPT?
nptel.ac.in/courses/106/106/106106167/ Go to Transcripts tab. Transcript pdfs will contain slides as screenshots
Thanks for sharing, it is helpful to understand how it works in detail.
what is the value of delta t here ? ua-cam.com/video/srinRfxJC1A/v-deo.html what is coherence distance ua-cam.com/video/srinRfxJC1A/v-deo.html ?
Your lectures are the best introductions to wireless communication fundamentals that I so far found on internet. Other countries should learn how IIT professors teach.
a great professor
uhumm prof your explanations are clear and I am going to watch all these series thank you so much
Can Anyone tell me . Where will I get the PPT or PDF whatever the content sir is teaching...?
nptel official website
swyam website too
I'm curious as to why this is in a Electrical engineering degree ? IMO this falls more in the line for people specifically looking to get into Cellular communication as a specialty.
Yes it is for final year students who want to specialise in cellular communication
Is there a law against it? Electrical Engineering is a vast field!
Touch on it 30.15
Thanks
ua-cam.com/video/f2wlHL1Sok8/v-deo.html