, OS Lab (http://os.sch.ac.kr)
CS Lab (http://cs.sch.ac.kr)
Computer System LABoratory
X-10 (1/2)
home home networking .
Sears Home Control System Radio Shack Plug in power system 1978 .
.
, X-10 .
X-10 .
home appliance Plug and Play .
, , .
SoonChunHyang University
HAN .
, , , .
, network application .
SoonChunHyang University
OS Lab (http://os.sch.ac.kr)
CS Lab (http://cs.sch.ac.kr)
Computer System LABoratory
Frame structure (2/4)
2 802.15.4 4 . : data, acknowledge(ACK), MAC commander beacon
Data frame
.
SoonChunHyang University
802.15.4
, .
“quiet time” .
MAC command frame
client node .
clients’ command frame MAC .
SoonChunHyang University
Beacon frame
.
SoonChunHyang University
802.15.4 .
Non-beacon , ALOHA .
Beacon , .
beacon 16 coordinator .
SoonChunHyang University
64bit IEEE 16bit short addressing .
MAC .(P2P )
.
SoonChunHyang University
network coordinator
.
full function device(FFD)
network coordinator .
SoonChunHyang University
.
SoonChunHyang University
Zigbee network slave node .
slave nodes , network .
Zigbee network beacon non-beacon .
Beacon HAN network device .
SoonChunHyang University
multiple-access system peer near-peer .
client .
.
Client .
, .
SoonChunHyang University
beacon
Cluster tree .
.
beacon .
network coordinator , .
SoonChunHyang University
OS Lab (http://os.sch.ac.kr)
CS Lab (http://cs.sch.ac.kr)
Computer System LABoratory
Zigbee
Zigbee IEEE 802.15.4 MAC .
Acess control – .
Data encryption – 128bit AES
Frame integrity – .
– .
SoonChunHyang University
OS Lab (http://os.sch.ac.kr)
CS Lab (http://cs.sch.ac.kr)
Computer System LABoratory
network layer (2/2)
network coordinator .
Network coordinator .
network topology .
SoonChunHyang University
GOF glue layer.
GOF sub-addressing addressing mode , power source, sleep mode coordinator
GOF object , set/get application .
SoonChunHyang University
OS Lab (http://os.sch.ac.kr)
CS Lab (http://cs.sch.ac.kr)
Computer System LABoratory
IEEE zigbee , , appliance .