7/25/2019 02-50 - 1 -

1/38

7/25/2019 02-50 - 1 -

2/38

50 Ubiquitous Computing Fundamentals

:John Krumm

Distributed SystemsConcepts and Design (5thedition)

authors: G. Coulouris, J. Dollimore, T. Kindberg, G. Blair

Wireless Communications and Networking author: V.K. Garg

,

: X., .

, ,

: ., .2

7/25/2019 02-50 - 1 -

3/38

.. 50

7/25/2019 02-50 - 1 -

4/38

(: 2010)

Krumm

Ubicomp:

1. (Systems)

Chapters 2-3

2. (Experience)

ubicomp

Chapters 4-63. (Sensors)

ubicomp

Chapters 7-9

4

7/25/2019 02-50 - 1 -

5/38

()

Chapter 1: An introduction to ubiquitous computing

Chapter 2: Ubiquitous computing systems

Chapter 8: Context aware computing

Chapter 3: Privacy in ubiquitous computing

Chapter 7: Location in ubiquitous computing

Chapter 9: Processing sequential sensor data

7/25/2019 02-50 - 1 -

6/38

1:

()

, Mark Weiser, ,

, /

( )

6

7/25/2019 02-50 - 1 -

7/38

2:

, ,

, ,

, ,

7

7/25/2019 02-50 - 1 -

8/38

8:

, , , ...

8

7/25/2019 02-50 - 1 -

9/38

3:

,

, ,

.. RFID ,

,

,

,

9

7/25/2019 02-50 - 1 -

10/38

7:

GPS, (active badges), ubisense, radar,

10

7/25/2019 02-50 - 1 -

11/38

7/25/2019 02-50 - 1 -

12/38

.. 50

7/25/2019 02-50 - 1 -

13/38

()

Chapter 1: Characterization of distributed systems

Chapter 2: System models

Chapter 3: Networking and internetworking

Chapter 4: Interprocess communication

Chapter 5: Remote Invocation

Chapter 7: Operating system support

Chapter 8: Distributed objects and components

Chapter 10: Peer-to-peer systems Chapter 14: Time and global states

Chapter 19: Mobile and ubiquitous computing

: K 4:

7/25/2019 02-50 - 1 -

14/38

14

. 1

():Internet, intranets,

:

(Heterogeneity) (Openness)

(Security)

(Scalability)

(Failure tolerance) (Concurrency)

(Transparency) , , , , ,

, ,

:

7/25/2019 02-50 - 1 -

15/38

. 2

Client-Server (ftp, news, email, Web Services, )

Peer-to-Peer

: servers, caching, proxy servers, , thin clients

( )

: , ,, ,

(interaction model)

(failure model)

(security model)

15

7/25/2019 02-50 - 1 -

16/38

. 2 (.)

16

7/25/2019 02-50 - 1 -

17/38

17

. 3

PANs, LANs, WANs, MANs (

)

(Internetworks)

, , ,

(OSI ), , ,

Internet CP/IP , P (IPv4, IPv6),

MobileIP, domain names, Firewalls

: Ethernet, WiFi, Bluetooth.

7/25/2019 02-50 - 1 -

18/38

18

. 4

API Internet BSD Unix sockets (UDP, TCP)

send, receive, ..

(marshalling/unmarshalling) CORBA, Java XML

client-server (request-reply protocol)

(IP multicast) :

Skype

: MPI

7/25/2019 02-50 - 1 -

19/38

19

. 5

-

(remoteprocedure call)

(remote methodinvocation)

:Java RMI

7/25/2019 02-50 - 1 -

20/38

. 7 ()

(Network Operating System) UNIX, Mac OS, Windows

(Distributed Operating System):

(Amoeba, Eden)

Middleware + NOS

(monolithic kernel)

(microkernel)

E 20

7/25/2019 02-50 - 1 -

21/38

. 8

: CORBA

: Enterprise JavaBeans

Fractal

21

7/25/2019 02-50 - 1 -

22/38

. 10

: (, cpu)

-

: H mutable data

anonymity

Napster P2P

(routing overlays)

: Pastry, Tapestry

: Squirrel, OceanStore, Ivy.22

7/25/2019 02-50 - 1 -

23/38

. 14

Christian

Berkeley

Network Time Protocol (vector clocks)

-

(garbage collection)

23

7/25/2019 02-50 - 1 -

24/38

. 19

: Cooltown project24

7/25/2019 02-50 - 1 -

25/38

: K. 4:

SOAP

REST

WSDL

25

7/25/2019 02-50 - 1 -

26/38

.. 50

7/25/2019 02-50 - 1 -

27/38

() Chapter 1: An Overview of Wireless Systems

Chapter 3: Radio Propagation and Propagation Path-LossModels

Chapter 5: Fundamentals of Cellular Communications

Chapter 6: Multiple Access Techniques Chapter 7: Architecture of a WWAN

Chapter 10: Antennas, Diversity, and Link Analysis

Chapter 12: Mobility Management in Wireless Networks

Chapter 19: WPAN-Bluetooth Chapter 20: WPAN: Low Rate and High Rate

Chapter 21: WLANs

: 7:

7/25/2019 02-50 - 1 -

28/38

. 1

,

4

28

3

7/25/2019 02-50 - 1 -

29/38

. 3

29

5

7/25/2019 02-50 - 1 -

30/38

. 5

30

6

7/25/2019 02-50 - 1 -

31/38

. 6

FDMA/TDMA/DS-CDMA/DS-CSMA

DS-CDMA DS-CDMA TDMA

31

7

7/25/2019 02-50 - 1 -

32/38

. 7

32

GSM

7/25/2019 02-50 - 1 -

33/38

. 10 ,

,

33

12

7/25/2019 02-50 - 1 -

34/38

. 12

34

7/25/2019 02-50 - 1 -

35/38

. 19 -Bluetooth Bluetooth ( 802.15.1)

WAP Bluetooth

35

20

7/25/2019 02-50 - 1 -

36/38

. 20

ZigBee

IEEE 802.15.4

802.15.3

RFID

36

7/25/2019 02-50 - 1 -

37/38

. 21

802.11

BSS

802.11

802.11b, 802.11n

Bluetooth IEEE

802.11

802.11 Bluetooth

IEEE 802.16 WiMAX 37

: 7

7/25/2019 02-50 - 1 -

38/38

: . 7

WLAN