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Mechanisms must be optimised to provide the desired QoS guarantees in future 3G UMTS IP networks, and including interworking with other radio access technologies such as W-LAN and WiMAX. There are essentially two approaches to provide QoS with IP. First, the network can be overprovisioned. Although simple, this is not a practical solution because access network bandwidth is still very expensive as compared to core network bandwidth. Second, one can use a QoS architecture (namely, QoS scheduling in routers combined with proper admission control). This second approach presents important challenges from the traffic engineering side, such as the design of the necessary QoS algorithms and the study of their optimal configuration in order to provide the desired service quality to the different types of traffic (best-effort, conversational, streaming, real-time video). Research in these areas focuses on modelling the networks and QoS algorithms precisely, using the packet-based OPNET traffic modelling tool.
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The 3rd Generation Partnership Project (3GPP) produces globally applicable Technical Specifications and Technical Reports for a 3rd Generation Mobile System such as UMTS. NEC as a pioneering vendor is active in all aspects of 3GPP standardisation. Advanced research results from various NL-E projects can often assist in the evolution of 3GPP.
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The EU IST Integrated Project Ambient Networks develops architecture and components of the network layer of mobile networks beyond 3G. An Ambient Network is a pervasive, reliable communication environment hiding the heterogeneous infrastructures and supporting the ever changing needs of users and services. The main objective is to make the always-best-connected" dream an affordable reality for billions of users. The main technical goals are dynamic network composeability and network affordability.
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The EU IST-FET Project Autonomic Network Architecture (ANA) aims at exploring novel ways of organizing and using networks beyond legacy Internet technology. The ultimate goal is to design and develop a novel network architecture that enables flexible, dynamic, and fully autonomic formation of network nodes as well as whole networks. It will allow dynamic adaptation and re-organisation of the network according to the working, economical and social needs of the users.
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Daidalos is a scenario-driven EU IST 6 th Framework project that will develop a diverse range of personalized services via pervasive interfaces supported seamlessly by the underlying heterogeneous networks with vastly improved mobility management. The networks include ad hoc and moving networks. Having a strong operator focus, particular emphasis is placed on secure solutions that enable charging for existing and new business models, and on the integration of broadcast services and technologies.
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The EU IST Integrated Project ENTHRONE develops an integrated management solution for an audio-visual service distribution chain including content generation, protection, distribution across networks and reception at user terminals. Particularly considered technologies include MPEG-21 and Digital Video Broadcast (DVB).
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The EU IST EuroLabs (European Distributed NGN Laboratories) project provides
lab facilities for other IST projects for test activities including interop
tests and technology exploration and exploitation with a strong focus on
IPv6.
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The vision of the IST Integrated Project MAGNET Beyond is to make Personal Networks a reality. Personal Networks will provide a secure communication sphere for mobile users, comprising personal devices in the Personal Area Network (PAN) environment, as well as devices in other locations like the home or office environment. To realize this vision, MAGNET Beyond will introduce new technologies, systems, and applications that are at the same time user-centric and secure. MAGNET Beyond will develop user-centric business model concepts for secure Personal Networks in multi-network, multi-device, and multi-user environments. MAGNET Beyond has 32 partners from 15 countries, among these Industrial Partners, Universities, and Research Centres.
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The use of packet filter firewalls and Network Address
Translators (NATs) is common in the Internet for security or address depletion
reasons. But Firewalls and NATs are obstacles to many network applications,
e.g. IP telephony, since these applications need dynamic configuration at
the firewall/NAT for their peer-to-peer communication. The MIDCOM project
provides different IETF-based solutions for Firewall and NAT traversal using
MIDCOM and NSIS protocols.
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This activity assists R&D activities within NEC by analyzing the European telecommunications market. We continually examine new technologies, and study how NEC's innovative technology can bring value to European Customers (Services Providers as well as end-users). The main goal is the development of business models for new products. Current research priorities are 3G technologies and multimedia applications and the convergence between mobile and fixed networks.
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The EU IST project MobiLife addresses the multi-dimensional diversity in end-user devices, available networks, interaction modes, applications, and services. To deal with this complexity and to reach its strategic goal, the IST MobiLife project researches uses a user-centric approach to examine novell research issues in context-awareness, privacy, trust, adaptation, and semantic interoperability. The usage of these technologies in novel services and applications shall support key scenarios of everyday life. The usability of the MobiLife work is examined with target user in Finland and Italy.
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In today's mobile network operator's environment, services are mainly created and installed as independent subsystem ("silo" approach). As a consequence, each new service needs extensive installation and integration effort. One advantage of 3GPP's "IP Multimedia Subsystem" (IMS) is to provide a common, horizontal control layer that is re-used across a multitude of different services. Modern Service Delivery Platforms (SDP) provide a Service Creation Environment that allow fast development of new services by re-using existing service enablers.
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SPICE (Service Platform for Innovative Communication Environment) is addressing the still unsolved problem of designing, developing and putting into operation efficient and innovative mobile Service creation / execution platforms for networks beyond 3G.
As competition in telecommunication is moving from networking to services, there is a need to re-think the service platform for the Next Generation Networks (NGNs). They will be based on an All-IP concept. Delivering a rich set of service will not only be done by the network operator, but by an ensemble of cooperating partners, the network operator(s), the service operators(s), the content provider(s), providers of the eInfrastructure in the vicinity of the user, and many more.
This project will research, prototype and evaluate an extendable overlay architecture and framework to support, easy and quick creation, test and deployment of intelligent mobile communication and information services. Building on significant advances in IT technologies, the SPICE platform will support multiple heterogeneous execution platforms allowing for new, innovative services to be spread across different operator domains and over different countries realising a variety of business models. This development requires to establish the concept for an PAN-European Service Platform were services are provided by loosely coupled components that are dynamically assembles to provide the service. Intelligent service enabler will allow to provide services that are attentive to the users needs ('Attentive Services').
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Ubi Sec&Sens will investigate two to three scenarios for wireless sensor networks, where each of them differ on issues, such as scalability, security and reliability, self-healing and robustness. The goal is a successful roll-out and a clearer understanding of the real-world requirements (and limitations) towads the Security Strategy endorsed by the European Council. Ubi Sec&Sens will be a major input to the field of security and communication research for the European Commission intended comprehensive programme after 2007. Ubi Sec&Sens is a STREP with 8 partners. Ubi Sec&Sens stands for both, world class research on security concepts for WSNs proven by validation and its appliance to 'Extended Lab trials'.
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The 3G Technologies group is promoting common agreement amongst manufacturers for appropriate WLAN standards for "dual mode" WLAN/3G mobile terminals. The Wi-Fi Alliance has several working groups where NEC is active, working for world-wide interoperability.
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The FleetNet project has developed a wireless multi-hop ad
hoc network for inter-vehicle communication in order to improve the driver's
and passenger's safety and comfort.
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Advanced architecture for INTER-domain quality of
service MONitoring, modelling and visualisation
The INTERMON project started in April 2002 in the scope of the European
Commission "Information Society Technologies" (IST) 5th Framework
programme. The aim of the project was developing a novel scalable inter-domain
QoS architecture with integrated monitoring, modelling, simulations and
visual data mining components that use a common distributed QoS database.
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The BMB+F project IPonAir - Next Generation Wireless
Internet considered a system architecture of several multi hop ad hoc networks
without or with access to the Internet. NEC-E Ltd.'s role within the work
package 'Security and billing' was to specify, validate and implement protocols
that promote participation between unknown parties and/or support charging
and billing for such a system architecture.
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MASA is a comprehensive end-to-end QoS architecture supporting
user policy-controlled media transmission and processing in heterogeneous
mobile environments. MASA offers easy-to-use QoS interfaces to hide the
complexity of underlying network QoS mechanisms and allows for seamless
handoffs in wireless scenarios.
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The EU IST project Moby Dick has provided a solution that
integrates QoS, mobility and AAA into a heterogeneous access environment,
using IPv6 and Mobile IPv6 as base technologies. As examples of heterogeneous
access, Ethernet, Wireless LAN and TD-CDMA have been used. Moby Dick provides
seamless services using the flexibility of the Internet, while providing
authentication, security and QoS as known from circuit-switched networks.
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MobiVAS was an IST-project (FP5, Jan 2000
- Nov 2002) partly funded by the European Union. The objective of the project
was the development of an innovative and modular network platform for seamless
and dynamic provision of advanced Value Added Services (VAS) over 3rd Generation
Mobile Telecommunication systems.
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The EU IST MOME (Monitoring and Measurement) Coordination Action has offered a platform for knowledge and tool exchange and for coordination of European research activities in the field of IP monitoring and measurement between EU IST projects and other European partners.
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The Mobile User Service Environment (MUSE) is a Java Service Provisioning Environment particulary focusing on intelligent service mediation. It features a mobile environment that can be personalized with dynamically combinable services.
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Today's networks are larger, faster, and more capable than their predecessors. NEC has developed network management technologies and products for better, more scalable network management systems that fully support new network technologies. These activities were closely coupled with standard contributions to the IETF. NEC has completed activities focussing on DHCPv6, the NetConf protocol and on SNMP MIB modules for remote operations.
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The EU IST Next Generation Networks Laboratories (NGN-Lab)
project provided lab facilities for other IST projects for IPv6 and QoS
tests. Other activities included interop tests and technology exporation
and exploitation with a strong focus on IPv6.
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The Seamless Multimedia Adaptation research at NEC Heidelberg
has provided new adaptive streaming solutions for audio and video information,
taking into account user preferences, network traffic load monitoring, and
local resource usage.
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This project concentrated on providing an advanced Enterprise SIP Server solution.
A basic SIP Server was extended with advanced functions for Quality of service provisioning for SIP-signaled calls, Call Detail Record generation, Access Restriction enforcing, Least Cost Routing, and Firewall control through a MIDCOM protocol.
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