Mobile Network Operators and Cooperation - IMP Group

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34 CHAPTER 3. NETWORK SHARING AND DYNAMIC ROAMING Market studies are often presented by consultancy and analysis companies, examples are [109] [108] [107]. Some reports address regulatory aspects of network sharing [110] - [113], in some cases the analysis reports are prepared on behalf of the national regulator, e.g. [114]. Radio performance and mechanisms are analyzed by some researchers. Radio resource management in shared networks with focus on the fair sharing and management of users belonging to different operators have been analyzed by Johansson [142], Hew & White [116] and Giupponi [117]. The same kind of analysis but for users roaming between operator networks have been presented by Al-Jarbou & Baroudi [119], Hultell & Johansson [120] and by Gaitan [121]. Multi-operator networks and mechanisms Multi-operator cooperation in the form of open access and always best connected [123] [124] [127] have been proposed and analyzed in a number of large research projects like ANWIRE, Ambient Networks, Daidalos, SPICE and E2R (End-to-End Reconfigurability) 7 . In the ANWIRE project 8 the key assumption is that one or several services for a specific user can be transmitted using one or more communication systems and/or operators. The business model separates the business to control and manage the users (authentication and accounting) from the business of providing the wireless access service. The users are proposed to have the main contact with a 3rd party AAA service provider. Then, content, access network and value added service providers can establish business agreements with the AAA service provider [126] [127]. Approach and parameters for evaluation of the concept has been presented with focus on added value of simultaneous usage of different services [128]. The integrated EU project Ambient Networks (AN) 9 have proposed and analyzed several types of cooperation between networks as well as between different business entities. The open access to any network and dynamic cooperation between networks is enabled by the proposed framework called network composition [129]. Composition includes a number of mechanisms as network advertisement, establishment of basic connectivity, technical and business related negotiation about terms and conditions for attachment to a network. User terminals can search for network offers and choose among different offers. The composition concept has been a study item within 3GPP [130]. One part of the project is focused on Multi Radio Architecture (MRA) with cooperation between different types of Radio Access Technology (RATs) [131]. This is described and analyzed in both single-operator and multi-operator networking and business scenarios [132] [14] [15]. Both the technical and business feasibility have been evaluated, the overall systems evaluation has been linked to economical and business aspect, see Bria et al [16]. 7 http://e2r.motlabs.com 8 http://www.anwire.org/ 9 The official web site http://www.ambient-networks.org/ is not available
3.2. RELATED WORK 35 Ambient Networks is not the only project that focuses on cooperation and joint use of network resources. The FP6 projects Everest and Aroma have proposed strategies for efficient radio resource management (RRM) in heterogeneous networks for support of end-to-end QoS 10 . For both these project Common RRM has been a key feature for management of radio access technologies in GERAN, UTRAN (including HSPA) and WLAN and WIMAX. The Aroma project also included techno-economic evaluation of 3G micro-cell and WLAN usage. In the projectDaidalos (Designing Advanced network Interfaces for the Delivery and Administration of Location independent, Optimised personal Services) communications infrastructure is proposed for next-generation networks in order to enable personalized, context-aware services to mobile users 11 . Services will be created by autonomous service providers and make cost-efficient use of the application support features provided by the operators’ infrastructure to add value to the services. A key concept is cooperation between operators (a federation) that create a pervasive environment for service provisioning with features supporting mobility, security, virtual identity for users and resource management. The concept also includes actors that aggregate and provide service and access offers from other providers [137]. The project SPICE (Service Platform for Innovative Communication Environment) did research on and evaluation of an overlay architecture to support communication and information services 12 . The SPICE platform will support multiple heterogeneous execution platforms allowing for services to be spread across different operator domains realizing a variety of business models. In addition to the more technical aspects related to the service platform [133] also market and business design and analysis was included. The project made substantial contributions in the areas of business models, e.g. [134] [135] and charging & payments [136]. An architecture and business model that can be used to divide and open up the business of operators with vertically integrated value chains and offer open mobile markets are presented by Murata [138]. The idea is based on the layered model of TISPAN-NGN 13 . The layers are: terminal layer, network and access layer, connection-service layer, platform layer with user authentication and charging, and contents and application layer for provisioning to end-users. TISPAN-NGN is standardized 14 based on the vertical integration model where the network operators control the entire network [139]. Because TISPAN-NGN was designed using a layered model [140], and since it can support heterogeneous networks it can be modified to become an Open Heterogeneous Mobile Network [141] . 10 http://www.everest-ist.upc.es/; http://www.aroma-ist.upc.edu/ 11 http://www.ist-daidalos.org/ 12 http://www.ist-spice.org/nav/about.htm 13 TISPAN: Telecommunications and Internet converged Services and Protocols for Advanced Networking - Next Generation Networks 14 Since 2003, ETSI TISPAN has been the key standardization body in creating the Next Generation Networks specifications. Initially TISPAN worked on harmonizing the IMS core for both wireless and wireline networks. 2008, the common IMS specifications were transferred back to 3GPP so that one unique standards organization is responsible for providing a common IMS fitting any network
Page 1: Mobile Network Operators and Cooper
Page 4 and 5: TRITA-ICT-COS-1101 ISSN 1653-6347 I
Page 7 and 8: Acknowledgements When I today in Ja
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4.2. RELATED WORK AND ACTIVITIES 87
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4.3. METHODOLOGY 89 4.3 Methodology
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4.3. METHODOLOGY 91 Company Positio
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4.4. THE FEMTOCELL CONCEPT 93 4.4 T
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4.4. THE FEMTOCELL CONCEPT 95 Busin
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4.6. COST AND CAPACITY ANALYSIS 101
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4.8. ANALYSIS 119 What is the motiv
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4.8. ANALYSIS 127 Cost aspects Sinc
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4.8. ANALYSIS 129 Instead the mobil
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Bibliography Own publications Analy
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BIBLIOGRAPHY 205 Business Analysis
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BIBLIOGRAPHY 207 [46] J. Espino, J.
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BIBLIOGRAPHY 209 [69] J. Gordijn, a
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BIBLIOGRAPHY 217 [200] D. Choi, et
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BIBLIOGRAPHY 219 [231] P. Pedersen,
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