This WI will define the requirements and consequent TSs for a SAI enabler aimed at improving the information exchanging between Smart Accessory and Smart Devices, and usability of Smart Accessory. Please refer to the outlined use case. A smart accessory is a class of product that really focuses on doing a very specialized task that works in conjunction with your smartphone or tablet. Whilst the Smart Accessory is becoming increasingly growing, Smart Accessory based services is heavily fragmented due to the multitude of disparate services, implementing a “walled garden” approach. Up to today, there is no existing standard or de facto standard for Smart Accessory Interface. Application Developer and Accessory Manufacturer have to develop and use different and dedicated interface method, data format, protocol and server model. This proposed work item to define an Smart Accessory Interface(SAI) is the opportunity to resolve the situation and to produce a standard relevant for the all industry.

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OMA-TP-2013-0XXX
Work Item Proposal
Smart Accessory Interface
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Date: 24 September 2013
Availability: Public OMA Confidential
Contact: Jonghong Jeon (hollobit@etri.re.kr)
Source: ETRI
X

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Smart Accessory
• A smart accessory is a class of product that really focuses on doing a very
specialized task that works in conjunction with your smartphone or tablet.
• A smart accessory connects directly to your smartphone or tablet via
Bluetooth®, Wi-Fi or any other communication protocol using your existing
data connection instead of requiring a Share Everything plan of its own.

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Smart Accessory Use Cases
•Hands free mobile life
• Wearable smart accessory incorporates many smartphone-like functions in a
hands-free format that can interact with the Internet via natural-language voice
commands.
•Extension of functionality
• When an user can't find his/her phone, use smart accessory to command it to
beep, illuminate, or vibrate. Of course, the reverse is also possible. User can also
answer and make calls from smart accessory.
•Healthcare
• Health and fitness accessories, which tracks various biometrics, help you
manage your exercise and rest, even reminding you to move once in a while.
App-enabled smart accessory for monitoring glucose levels and other vital signs
are putting health decisions in the hands of the individual.

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Problem / Opportunity Statement (1/2)
• The explosion of the Smartphones and Tablets Devices has made a dramatic impact on our mobile
lives. Smart devices and applications are providing incredibly rich experiences for users.
• A new class of smart Accessory devices that wirely/wirelessly link to smartphones and tablets will
begin to gain traction over the next few years, with health, fitness and assistant leading the
way. (Juniper Research predicted that hardware and service revenues from app-enabled smart
wireless accessories will exceed $23 billion in 2018.This report also forecast that smart wireless
accessory shipments would approach 170 million by 2018)
• Whilst the Smart Accessory is becoming increasingly growing, Smart Accessory based services is
heavily fragmented due to the multitude of disparate services, implementing a “walled garden”
approach.
• Up to today, there is no existing standard or de facto standard for Smart Accessory Interface.
Application Developer and Accessory Manufacturer have to develop and use different and
dedicated interface method, data format, protocol and server model.
• This proposed work item to define an Smart Accessory Interface(SAI) is the opportunity to resolve the
situation and to produce a standard relevant for the all industry.

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Problem / Opportunity Statement (2/2)
Mobile Device
App A
Accessaroy A
App B
Accessaroy B
Information Services
& H/W Capabilities
own logic &
knowledge
Application
Dedicated
Accessory
Mobile Device
App A
Accessaroy A
App B
Accessaroy B
Information Services &
H/W Capabilities
Standardized Client Interfaces
Standardized Accessory
communication & control
Interfaces
Accessaroy C
AS IS TO BE
Own
Server
own protocol &
Own server
Network Services
(Cloud, Sharing, Caching..)
Own
Server
Standardized server Interfaces
SAI’s
scope

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Main market benefits
• Benefits for all involved players:
Customers:
• Device Apps and Accessory has higher interoperability and usability
• Subscribers / end users will have more options and freedom to use the Smart Accessory &
applications
Applications Developers
• Developers don’t have to think: How my apps can be access the Smart Accessories and
control that. And how can exchange the data/control message between the Smart
Accessory and the Smart Devices. Developers will also benefit this value chain by providing
richer applications according to the SAI APIs.
Device and OS Vendors
• Accessory Device Manufacturers don’t have to think about their own access protocol
and method. OS vendors can be provide various data/messaging/information with
standardized interface for Smart Accessories.
Operators
• operators will also be able to improve ARPU by offering unique, differentiated value of their
smart accessory based service (e.g. mHealth, training, cloud, caching) to subscribers.

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Use Case: Accessory Interfaces
John
Smart WatchSmart Watch
Wireless
Monitor
Wireless
Heart rate
Monitor
Sports
band
Smart
Glass
Smart
Glass
Standardized
Accessory
Management &
Control Interface
- finding
- status check
- battery check
- notification
- messaging
- data exchange
- data relay
- media control
- sensing
- calling
• This scenario aims at enabling the standardized interface between smartphone and
smart accessories or supplementary devices.
• User may use multiple accessories to exchange various data and the control
messages between accessory and smart devices.
App A
App B

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Use Case: Interoperability
Smart WatchSmart Watch
Wireless
Monitor
Wireless
Heart rate
Monitor
Sports
band
Smart
Glass
Smart
Glass
Standardized
Accessory
Management &
Control Interface
- finding
- status check
- battery check
- notification
- messaging
- data exchange
- data relay
- media control
- sensing
- calling
• SAI enabler will used for exchanging data and control messages between the
accessories and various devices.

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Use Case: Life Log Cloud
John
Smart WatchSmart Watch
Wireless
Monitor
Wireless
Heart rate
Monitor
Sports
band
Smart
Glass
Smart
Glass
Life Log Cloud
(photo, video,
track info,…)
• This scenario aims at enabling the Life Log Cloud service that gathered information
from various smart accessories or supplementary devices.
• Operators can be provided easily the value of their smart accessory based
service (e.g. Life Log Cloud, mHealth, training) to subscribers

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Use Cases: mHealth, fitness and M2M/IoT
•The key areas with Smart Accessory will be fitness, health, Consumer
Electronics (CE), payments and enterprise devices.
• This revenue growth will be propelled by four key elements:
• An increase in the adoption of the ‘software as a service’ proposition
• The development of additional services delivered within the app.
• The emergence of a ‘freemium’ model in fitness and healthcare wearables.
• The rise of payment transaction revenues.
•Smart Accessory based mobile services playing a pivotal role in its
uptake. Operate can jumping on the mHealth bandwagon and offering
their own fitness solutions to customer.
•SAI can also help encourage Operator’s M2M/IoT scenario and use
cases

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How OMA can help
• OMA can help with this Work Item covering the following aspects:
• to define the requirements and reference architecture to allow interoperability between accessories & devices
and accessory-server
• to specify the interface between an SAI Client entity and an SAI Accessory entity that support the identified
features;
• to specify the interface between SAI Client entity and device capability that support the identified features;
• to specify the interface between SAI Client entity and SAI Server that support the identified features;
• As outcome of the activity of this Work Item, a new “SAI Enabler” is expected to be
specified.
• Main objective is to provide a rapid specification of an SAI Enabler that achieves the minimum goals of achieving
interoperability and usability

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Impacts, relationships and dependencies
•State (potentially) related/impacted:
• OMA OpenCM, AOI, DM, LOC, M2M, COM-ISC
• Bluetooth, WiFi, WiFi Direct
•State potential and identified dependencies:
• None
•Describe impacts on different system elements:
• None
•Impacts on future work items:
• Potential influence on future work items: M2M/IOT, Public Safety, mHealthcare,
Big data

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Supporting Companies
• The companies supporting this work item are:
Company name Membership type
ETRI Associate
LG Electronics Full
Samsung Electronics Full
SK Planet Full