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Device Connect WebAPI Web Interface for Variety of Smartphone-linked Devices
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NTT DOCOMO Technical Journal
NTT DOCOMO
Vol.17
Jul.2015 No.1
DOCOMO Today
●
Efforts to Apply Virtualization Technology to
Mobile Network Nodes
Technology Reports
●
Device Connect WebAPI
– Web Interface for Variety of Smartphone-linked Devices –
●
●
●
High-speed, Large-scale Image Recognition and API
Interworking Functions for oneM2M Service Middleware
Functions and 3GPP-MTC Transport Networks
“F-SCP” Service Control Equipment Providing
Higher Reliability Services
Standardization
●
Standardization of New VoLTE Roaming Architecture
Vol.17 Jul.2015 No.1
NTT DOCOMO Technical Journal
Vol.17 No.1 Jul. 2015
Efforts to Apply Virtualization Technology to Mobile Network Nodes ····· 1
Kazuo Sugiyama
Device Connect WebAPI
—Web Interface for Variety of Smartphone-linked Devices— ········· 4
Attach image to request
body
IoT
WebAPI
Standardization
• Extract image features
• Match with product database
Query image
Recognition result
Image
recognition
API
Result is returned in JSON format
{
"recognitionId": “XXXXXXX",
"candidates": [ {
"score": 1536.0234375,
"itemId": "book_XXXXXXXXX",
"category": "book",
"imageUrl": "https://XXXX/sample.png",
"detail": {
"isbn13": "000-0000000XXX",
"publisher": "Sample Corp.",
"author":["Taro Docomo"],
"itemName": "Image Recognition API
Introduction",
"releaseDate": "2014/11/11"
},
"sites": [{
"url": "https://XXXXX"
}
]
}
]
High-speed, Large-scale Image Recognition and API························· 10
}
Open API
（P.10）
Interworking Functions for oneM2M Service Middleware Functions
and 3GPP-MTC Transport Networks ···························································· 18
oneM2M
3GPP-MTC
Interworking
HLR/HSS
Database
D-SCP
DB separation
Subscriber information
referencing/update
Call
control
Call control
IPSCP
New deployment
F-SCP
Subscription information
Location information
Opposing
device
CS-IP
xGSN
EPC
（P.31）
“F-SCP” Service Control Equipment Providing Higher Reliability
Services ················································································································ 31
F-SCP
2
D-SCP
NTT DOCOMO Technical Journal
Standardization of New VoLTE Roaming Architecture ···························· 37
VoLTE
S8HR
Roaming
Received “Best Paper Award” in IEEE Globecom 2014 ····················· 41
（P.41）
Web site on the Internet
Web application
Web application
(HTML5+JavaScript)
Web application
(HTML5+JavaScript)
(HTML5+JavaScript)
Web browser
Access to virtual
server through IP
network
Device Connect WebAPI
(native application)
Extension plug-in A
Extension plug-in B
Extension plug-in C
Virtual server
Device access requests are converted
to control commands
for each device (plugin extension)
Framework
Library
Kernel
IP network
layer
Any function can
be used as a native application
Android OS
Device
Technology Reports Device Connect WebAPI ―Web Interface for Variety of Smartphone-linked Devices― (P.4)
Using a device from the DeviceConnect WebAPI (Android OS example)
3
NTT DOCOMO Technical Journal