Wireless Future - Telenor

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Figure 1 The Mobile
Service Platform
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Content
TA
A-GPS/
GLONASS
Community
Mobile
Service
Platform
Location
TOA
AOA CELL ID
OTD
Billing
CDR
CDR
CDR
CDR: Call Data Record
easy development of context aware services. The
MSP will consist of a set of traditional servers as
well as open technologies such as Web servers,
WAP gateways, Java engines and other technologies
like LDAP 11) . There are plans to
enhance this system through several parts:
Among them are a User Information Retrieval
System, modules for personalisation of services,
servers for active services, support modules for
location-based services, tools for content generation,
and more. The platform also supports
active services which are services brought to the
user, known as push services, compared to the
pull services known today. Working together
with young users, Youngster will identify their
needs and generate and demonstrate services
specialised for young users. Figure 1 introduces
the key concepts of the Youngster approach.
Content providers offer generic content, of different
media types, which can be accessed as
such, or combined with third-party content.
A key development on which this Mobile Service
Platform depends is an enhanced user
model, which includes not only conventional
attributes relating to the user’s location (such as
plain co-ordinates, velocity, moving direction,
etc.) but also a wide range of context attributes
such as how this information is to be interpreted
in the context of the user. These attributes will
vary from relatively static ones to highly
dynamic ones. Some of this information will be
11) Lightweight Directory Access Protocol.
held by the user, some by the application service
provider and some by the underlying support
services. These attributes may be used in the
selection of appropriate services for the user, by
the services themselves to adapt to the user’s
needs, and by the advanced content formats.
Consequently, appropriate levels of security and
privacy in relation to the user profile are essential
for any services that use it since the user may
only be willing to grant access to parts of the
user profile to different services. This raises
questions as to where the user profile should be
held and how access to it should be controlled.
These issues will be addressed.
The enhanced user model and the MSP that contains
it will be capable of creating services with
greater potential to take account of and respond
to the user’s context than services that are currently
available.
Key R&D Issues
Given the increasing availability and acceptance
of wireless access networks, consumers (service
providers and users) are eager to explore their
applications to take advantage of the freedom of
mobility. These applications can be made effective
and user-friendly most appropriately by
means of a middleware architecture; thus demanding
an open mobile service platform for
wireless mobile applications.
With particular respect to providing solutions
giving mobile users easy and personalised access
to web-based services, the following key impacts
are relevant:
• Localised and up-to-date information
The information should be given at the right
moment and for the right location. This will
be achieved by providing a mobile service
platform (MSP), including access into various
types of mobile devices, such as notebooks
and PDAs which now allow for accessing netbased
services even via third generation
mobile networks such as UMTS.
• Increased efficiency
The determination of the current position of
an entity (user or goods) is an essential requirement
in order to provide specialised services.
Furthermore, positioning allows more
efficient management of fleet and dispatch
services and improved traffic management.
• Personalised value-added access to net-based
services
The convenience and capabilities of the access
to net-based services, or even the possibility
Telektronikk 1.2001