課程信息
2,969 次近期查看

100% 在線

立即開始,按照自己的計劃學習。

可靈活調整截止日期

根據您的日程表重置截止日期。

初級

完成時間大約為25 小時

英語(English)

字幕:英語(English)

100% 在線

立即開始,按照自己的計劃學習。

可靈活調整截止日期

根據您的日程表重置截止日期。

初級

完成時間大約為25 小時

英語(English)

字幕:英語(English)

教學大綱 - 您將從這門課程中學到什麼

1
完成時間為 1 小時

Introduction

An introduction to what this course is about: the fundamentals behind social and technical networks.

...
5 個視頻 (總計 39 分鐘), 3 個閱讀材料
5 個視頻
Network Is Expensive & Divide and Conquer7分鐘
End to End & Bigger And Bigger8分鐘
3 個閱讀材料
About Us10分鐘
Suggested Readings and Links10分鐘
Keep in Touch10分鐘
完成時間為 3 小時

Power Control in Cellular Networks

How is it possible that we can all communicate effectively without disrupting each other's calls, messages, or Internet usage? In this lesson, we will take a look at some of the methods that have been developed for letting us "share" the air over which our phones communicate.

...
21 個視頻 (總計 125 分鐘), 1 個閱讀材料, 1 個測驗
21 個視頻
FDMA8分鐘
0G4分鐘
Attenuation5分鐘
Cells & 1G9分鐘
2G3分鐘
TDMA4分鐘
CDMA8分鐘
Cocktail Party Analogy4分鐘
Near-far Problem8分鐘
SIR5分鐘
DPC7分鐘
DPC Computation: Part A11分鐘
Negative Feedback3分鐘
DPC Computation: Part B 7分鐘
Convergence3分鐘
Distributed Computation3分鐘
Handoffs3分鐘
CDMA & 3G5分鐘
Summary2分鐘
1 個閱讀材料
Power of Networks10分鐘
1 個練習
Problem Set #130分鐘
2
完成時間為 2 小時

Random Access in Wifi Networks

In this lesson, we will investigate WiFi, another type of wireless network. Rather than having stringent power control algorithms as we saw for cellular, WiFi relies on "random access" methods to manage interference among users in the same location.

...
15 個視頻 (總計 98 分鐘), 1 個閱讀材料
15 個視頻
WiFi Deployment6分鐘
Accessing WiFi10分鐘
Interference7分鐘
Controlled vs. Random Access6分鐘
Random Access Protocols & ALOHA7分鐘
ALOHA Successful Transmission5分鐘
ALOHA Throughput7分鐘
ALOHA Inscalability8分鐘
CSMA Carrier Sensing5分鐘
CSMA Backoff7分鐘
CSMA vs. ALOHA5分鐘
Summary3分鐘
1 個閱讀材料
Power of Networks
完成時間為 2 小時

PageRank by Google

In this lesson, we will take a look at PageRank, Google's famous algorithm for ordering the results on its search page. PageRank is a prime example of how coming up with the right "ranking" of a set of items is a difficult yet important question in networking.

...
11 個視頻 (總計 67 分鐘), 1 個閱讀材料, 1 個測驗
11 個視頻
Webgraphs8分鐘
In-degree3分鐘
The "Random Surfer"7分鐘
Importance Equations5分鐘
PageRank Example Calculation10分鐘
PageRank Example Summary5分鐘
Dangling Nodes & Disconnected Graph6分鐘
Robust Ranking3分鐘
Summary3分鐘
1 個閱讀材料
Power of Networks
1 個練習
Problem Set #230分鐘
3
完成時間為 1 小時

Product Rating on Amazon

The decision of whether or not to purchase something online is often driven by the ratings that previous customers have left for it. In this lesson, we will take a look at Amazon's review system, and the see how "crowds are wise" is another important networking principle.

...
11 個視頻 (總計 69 分鐘), 1 個閱讀材料
11 個視頻
Rating Aggregation Challenges4分鐘
Naive Averaging5分鐘
Bayesian Ranking: Part I5分鐘
Bayesian Ranking: Part II9分鐘
Bayesian Ranking in Practice5分鐘
What does Amazon do? Part I5分鐘
What does Amazon do? Part II5分鐘
Summary3分鐘
1 個閱讀材料
Power of Networks
完成時間為 2 小時

Movie Recommendation on Netflix

One of the perks of having a Netflix subscription is getting recommendations of movies to watch. Behind the scenes, Netflix uses powerful algorithms to determine which will be suggested to each person specifically. In this lesson, we will take a look at the main ideas behind these algorithms.

...
18 個視頻 (總計 111 分鐘), 1 個閱讀材料, 1 個測驗
18 個視頻
Netflix Recommendation System5分鐘
Netflix Prize: Logistics7分鐘
Netflix Prize: The Competition4分鐘
Our Example3分鐘
Raw Average7分鐘
User-movie Interactions7分鐘
Baseline Predictor6分鐘
Similarity4分鐘
Cosine Similarity9分鐘
Similarity Values10分鐘
Leveraging Similarity8分鐘
Neighborhood Predictor4分鐘
Performance of Different Methods3分鐘
Summary3分鐘
Copy of Cosine Similarity9分鐘
1 個閱讀材料
Power of Networks
1 個練習
Problem Set #330分鐘
4
完成時間為 2 小時

Midterm

...
1 個測驗
1 個練習
Midterm2小時

講師

Avatar

Christopher Brinton

Lecturer
Electrical Engineering
Avatar

Mung Chiang

Professor
Electrical Engineering

關於 普林斯顿大学

Princeton University is a private research university located in Princeton, New Jersey, United States. It is one of the eight universities of the Ivy League, and one of the nine Colonial Colleges founded before the American Revolution....

常見問題

  • 注册以便获得证书后,您将有权访问所有视频、测验和编程作业(如果适用)。只有在您的班次开课之后,才可以提交和审阅同学互评作业。如果您选择在不购买的情况下浏览课程,可能无法访问某些作业。

  • No. As per Princeton University policy, no certificates, credentials, or reports are awarded in connection with this course.

還有其他問題嗎?請訪問 學生幫助中心