Relevant bibliographies by topics / Mobile broadband networks

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Mobile broadband networks'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Mobile broadband networks"

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Ramya, K. "Mobile Computing Broadband Networks." International Journal for Research in Applied Science and Engineering Technology V, no. II (February 28, 2017): 292–94. http://dx.doi.org/10.22214/ijraset.2017.2045.

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Soldani, David, Sajal K. Das, Mahbub Hassan, Jahan A. Hassan, and Giridhar D. Mandyam. "Traffic management for mobile broadband networks." IEEE Communications Magazine 49, no. 10 (October 2011): 98–100. http://dx.doi.org/10.1109/mcom.2011.6035822.

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Wang, Hao, and Hui Min Li. "Research on Cognition of Heterogeneous Wireless Networks." Applied Mechanics and Materials 685 (October 2014): 595–98. http://dx.doi.org/10.4028/www.scientific.net/amm.685.595.

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With the broadband development of mobile network and the mobility development of broadband networks, all-IP based heterogeneous networks coexistence and integration is becoming an important feature of next generation wireless networks.This Paper firstly summarized the evolution and development tendency of heterogeneous wireless networks, then introduced and analyzed the cognitive radio and cognitive network technologies. Also the difficult Problems for future cognitive heterogeneous networks were also addressed on.
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Losquadro, G., and R. E. Sheriff. "Requirements of multiregional mobile broadband satellite networks." IEEE Personal Communications 5, no. 2 (April 1998): 26–30. http://dx.doi.org/10.1109/98.667942.

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Ilcev, Stojce Dimov. "Introduction to inmarsat broadband global area network for mobile backbone networks." Bulletin of Electrical Engineering and Informatics 9, no. 2 (April 1, 2020): 843–52. http://dx.doi.org/10.11591/eei.v9i2.2136.

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In this paper is introduced the Inmarsat Global Area Network (GAN) as backbone to mobile networks. At the end of 2005 Inmarsat launched its BGAN service as the first high speed wireless data solutions with voice available on a global basis. The service is accessed through a portable, broadband satellite transceiver with antenna easy to carry as a laptop. The BGAN network consists constellation of Geostationary Earth Orbit (GEO) I-4 and I-5 satellites with an optimized ground network, which interconnects variety of terrestrial infrastructures at local BGAN users. This system employs bandwidth efficient modulation and coding techniques, capable of supporting variable bit-rate services and QoS depending on the needs of the application. The BGAN system is satellite component of 3G IMT-2000, specially the Universal Mobile Telecommunications Service (UMTS) standards. It will provide a near-global coverage overlay for the terrestrial networks, giving users service availability beyond the reach of terrestrial IMT-2000 networks. A range of supported terminals, personal devices, portable and mobile units linked with onboard entertainment, communications systems to remote base stations for civilian and military applications and SCADA or M2M are discussed.
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Moustafa, M. N., I. Habib, M. Naghshineh, and M. Guizani. "QoS-enabled broadband mobile access to wireline networks." IEEE Communications Magazine 40, no. 4 (April 2002): 50–56. http://dx.doi.org/10.1109/35.995851.

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Demestichas, Panagiotis, Andreas Georgakopoulos, Kostas Tsagkaris, and Serafim Kotrotsos. "Intelligent 5G Networks: Managing 5G Wireless\/Mobile Broadband." IEEE Vehicular Technology Magazine 10, no. 3 (September 2015): 41–50. http://dx.doi.org/10.1109/mvt.2015.2446419.

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Midoglu, Cise, Konstantinos Kousias, Özgü Alay, Andra Lutu, Antonios Argyriou, Michael Riegler, and Carsten Griwodz. "Large scale “speedtest” experimentation in Mobile Broadband Networks." Computer Networks 184 (January 2021): 107629. http://dx.doi.org/10.1016/j.comnet.2020.107629.

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Emara, Tamer Z. "Maximizing Power Saving for VoIP over WiMAX Systems." International Journal of Mobile Computing and Multimedia Communications 7, no. 1 (January 2016): 32–40. http://dx.doi.org/10.4018/ijmcmc.2016010103.

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The voice-over-Internet protocol (VoIP) service is expected to be widely supported in wireless mobile networks. Mobile Broadband Wireless networks VoIP service to users with high mobility requirements, connecting via portable devices which rely on the use of batteries by necessity. Energy consumption significantly affects mobile subscriber stations in wireless broadband access networks. Efficient energy saving is an important and challenging issue because all mobile stations are powered by limited battery lifetimes. Therefore, the authors propose an adaptive mechanism suitable for VoIP service with silence suppression. The proposed mechanism was examined with a computer simulation. The simulation results demonstrate that the proposed mechanism reduces energy consumption.
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Типаков, Василий, Vasily Sergeevich Tipakov, Тимур Яковлев, and Timur Aleksandrovich Yakovlev. "Problems of constructing broadband radio access systems of mobile radio communication." Vestnik of Astrakhan State Technical University 2019, no. 2 (November 19, 2019): 24–30. http://dx.doi.org/10.24143/1812-9498-2019-2-24-3.

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The article is focused on the problem of degrading the signals of broadband 3G / 4G mobile radio access systems in places of subscribers clustering and in so-called “dead zones”. The analysis of the actual principles of building mobile networks has been carried out, the main disadvantages of the approaches to the development of cellular networks have been identified. The current trend of building macro cells in the urban environment has lost its effectiveness due to the increasing frequencies used; it has to be replaced by a fundamentally new way of planning mobile networks. A new principle of providing access to mobile communications “from inside to outside” is proposed, which takes into account the needs of a large number of subscribers in the premises. It is based on setting the maximum number of internal base stations fully meeting the needs of internal network users. Such a distinction will positively affect all subscribers and improve the experience from using the high-quality services of the mobile operators, which will result in increasing the economic performance
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Dissertations / Theses on the topic "Mobile broadband networks"

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Zhao, Qiyang. "Intelligent radio resource management for mobile broadband networks." Thesis, University of York, 2013. http://etheses.whiterose.ac.uk/5518/.

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This thesis studies intelligent spectrum and topology management through transfer learning in mobile broadband networks, to improve the capacity density and Quality of Service (QoS) as well as to reduce the cooperation overhead and energy consumption. The dense deployment of small cell base stations (BSs) is an effective approach to provide high capacity density access. In the meantime, multi-hop wireless backhaul networks enable highly flexible deployment and self-organization of small cell BSs. A heterogeneous small cell access and multi-hop backhaul network is studied in this thesis as mobile broadband system architecture. Transfer learning is applied to Radio Resource Management (RRM) as an intelligent algorithm to improve the performance of conventional reinforcement learning. In transfer learning, a BS trains its knowledge base relying on knowledge transferred from other related BSs, who are selected using an interference coordination strategy. In a network with static topology, cooperation management is developed to identify the maturity of the knowledge base and control the coordination overhead. It is demonstrated in a multi-hop backhaul network that transfer learning delivers a QoS level that is as high as achieved by a fully coordinated algorithm, but with a very low level of information exchange which is close to a fully distributed algorithm. Transfer learning is also studied in rapidly changeable network architectures to provide reliable communication. It is carried out during the changes of network topology, through mapping the learner’s knowledge base to a prioritized action space with Pareto efficiency. This process assists the BSs to quickly identify and adapt to environment changes, and makes effective decisions. Results show that transfer learning significantly reduces QoS fluctuation during traffic variation and topology changes in a highly dynamic network. Furthermore, a dynamic topology management algorithm is developed to intelligently control the working modes of BSs, based on traffic load and capacity in multiple cells. Topology management is demonstrated to reduce the number of activated BSs with adequate QoS performance provided. Dynamic capacity provision between multiple cells is achieved from transfer learning, which significantly improves QoS and reduces energy consumption.
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Halls, David Edwin. "Interference characterisation and mitigation in mobile broadband wireless networks." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.559706.

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Multiple-Input Multiple-Output (MIMO) techniques are widely touted as the technology that will enable the high wireless cellular network capacities demanded by the huge growth in demand for the 'triple play' of voice, data and media. Without suitable interference management, however, multi-billion dollar MIMO Mobile Wireless Broadband Networks (MWBNs) can collapse under the strain of heavy traffic loads. Fully loaded interference studies cannot be performed on the network until it has been fully deployed. As such, interference characterisation and mitigation must be accurately performed pre-deployment using detailed network simulators. The development of a detailed MWBN simulator is investigated in this thesis. The model includes an extremely Uplink (UL) and Downlink (DL) Mobile WiMAX system-level simulator with full support for a wide range of MIMO technologies. The impact of inter-cell interference is characterised and results show that it is the fluctuation in interference power, rather than signal power, that dominates the inaccuracies seen in the link adaptation algorithm. These error lead to reduced system throughput. It is found that the Modulation and Coding Scheme (MCS) errors increase with Channel State Information (CSI) delay and that the effect is exacerbated by high mobile velocity. With a 3-frame delay at vehicular speeds the CSI delay causes an average 31 % loss in DL throughput. It is found that 2 x 2 closed-loop MIMO systems can double the system capacity in high interference conditions but the MIMO techniques in high interference are used to exploit diversity, and not multiplexing, gain. The gains provided by closed-loop MIMO are only available to slow moving or stationary users. Interference management techniques can be divided into: interference randomisation, interference cancellation and interference mitigation. It is shown that the use of interference randomisation reduces MCS error and improves user throughput. Significant performance gains are achieved in this work using higher order MIMO configurations and interference cancellation schemes. The gains are particularly significant at the cell edge on the DL. They are also effective on the UL, where unlike the DL they are robust to delayed CSI at the transmitter. A 5-fold increase over the single antenna case is obtained using a 2 x 8 MIMO system with interference cancellation. The use of interference coordination combined with interference cancellation further enhances performance, particularly on the DL. Adding the " combined mitigation scheme to the 4 x 2 MIMO case improves the average cell throughput by 70% and the cell edge throughput by 370%. This rigorous study has shown that to perform effectively in interference-limited scenarios, future MWBNs should employ 8x 2 MIMO with interference cancellation and interference coordination. This can provide Base Station (BS) throughput gains of up to 4-fold on the DL and 5-fold on the UL over a single antenna implementation.
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Mahloo, Mozhgan. "Transport Solutions for Future Broadband Access Networks." Doctoral thesis, KTH, Optical Network Laboratory (ON Lab), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-161936.

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“Connected society” where everything and everyone are connected at any time and on any location brings new challenges for the network operators. This leads to the need of upgrading the transport networks as the segment of Internet infrastructure connecting the fixed users and mobile base stations to the core/aggregation in order to provide high sustainable bandwidth, as well as supporting a massive number of connected devices. To do this, operators need to change the way that access networks are currently deployed. The future access network technologies will need to support very high capacity and very long distances, which are the inherited characteristics of optical transmission. Hence, optical fiber technology is recognized as the only future proof technology for broadband access. Capacity upgrade in the access networks can lead to a huge capacity demand in the backbone network. One promising solution to address this problem, is to keep the local traffic close to the end users as much as possible, and prevent unnecessary propagation of this type of traffic through the backbone. In this way, operators would be able to expand their access network without the significant capacity upgrade in the higher aggregation layers. Motivated by this need, a comprehensive evaluation of optical access networks is carried out in this thesis regarding ability of accommodating local traffic and amount of possible saving in the backbone by implementing locality awareness schemes. Meanwhile, next generation optical access (NGOA) networks have to provide high capacity at low cost while fulfilling the increasing reliability requirements of future services and customers. Therefore, finding cost-efficient and reliable alternative for future broadband access is one of the most important contributions of this thesis. We analyzed the tradeoff between the cost needed to deploy backup resources and the reliability performance improvement obtained by the proposed protection mechanism. Among different NGOA architectures, hybrid time and wavelength division multiplexing passive optical network (TWDM PON) is considered as a proper candidate providing high capacity and large coverage. Therefore, this approach is further analyzed and several tailored protection schemes with high flexibility are proposed to statisfy different requirements from the residential and business users in the same PON.  The work carried out in the thesis has proved that TWDM PON can also offer high reliability performance while keeping the network expenditures at an acceptable level. Considering some other advantages such as low power consumption and high flexibility in resource allocation of this architecture, it has high potential to be the best candidate for NGOA networks.  Moreover, new deployments of radio access networks supporting the increasing capacity demand of mobile users lead to the upgrade of the backhaul segment as a part of broadband access infrastructure. Hence, this thesis also contributes with a comprehensive techno-economic evaluation methodology for mobile backhaul. Several technologies are investigated in order to find the most cost-efficient solution for backhauling the high capacity mobile networks.  Finally, a PON-based mobile backhaul with high capacity and low latency has been proposed for handling coordinated multipoint transmission systems in order to achieve high quality of experience for mobile users.

QC 20150320

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Ek, Patrik. "Deployment of Indoor Small-Cells for 4G mobile Broadband." Thesis, Uppsala universitet, Signaler och System, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-208569.

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This thesis presents an investigation of the impact of indoor small-cells. It is expected that small-cells will be able to increase the throughput and capacity for the existing networks. A deployment algorithm is presented with focus on offloading traffic from the macro layer. The performance of the deployments created with the proposed algorithm, is compared with a reference deployment. The different deployments are then simulated in a real network simulator, which performs static simulations in 3 dimension using the theory of multiple knife-edge diffraction. The small-cells increased the throughput and capacity remarkably and additional gains were obtained with the proposed algorithm. The thesis also includes strategies for small-cell deployment.
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CALABUIG, GASPAR JORGE. "Broadcasting in 4G mobile broadband networks and its evolution towards 5G." Doctoral thesis, Universitat Politècnica de València, 2015. http://hdl.handle.net/10251/48561.

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One of the challenges of the mobile industry is to cope with the growth of mobile traffic demand expected for the next years, primarily driven by the increasing usage of mobile video services. Indeed, the existence of increasingly powerful terminals is encouraging the consumption of high-quality video content. Usually, video services are identified with linear Television (TV) and scheduled broadcast (point-to-multipoint (p-t-m)) distribution. However, the consumption of video content over mobile networks is different from traditional fixed TV because contents are mainly consumed on-demand with unicast point-to-point (p-t-p) connections. Then, the convergence of linear TV and on-demand content delivery represents a challenge that requires a combined broadcast/unicast transmission model. This dissertation addresses the use of broadcasting technologies for the provision of mobile multimedia services in Fourth Generation (4G) mobile broadband networks and beyond. Specifically, the dissertation focuses on the broadcast technology included in 4G Long Term Evolution (LTE) and LTE Advanced (LTE-A) networks, known as Enhanced Multicast Broadcast Multimedia Services (eMBMS). It analyses the benefits of the eMBMS physical layer aspects regarding Multimedia Broadcast Multicast Services over a Single Frequency Network (MBSFN) deployments and identifies the current limitations of eMBMS at physical layer by comparing with the broadcast technology of the other 4G mobile system, the Institute of Electrical and Electronics Engineers (IEEE) 802.16m standard. Those limitations are the use of a dedicated carrier and Multiple-Input Multiple-Output (MIMO) techniques for broadcast transmissions. Our investigations employ a complete simulation platform including link-level and system-level simulations to evaluate the performance of broadcast transmissions in these real technologies. The research on eMBMS services is aimed at finding the optimum delivery of streaming and file download services focusing on the Radio Resource Management (RRM) problem and trade-off between Physical layer – Forward Error Correction (PHY-FEC) and Application Layer - Forward Error Correction (AL-FEC). Concerning streaming services, results show that the use of AL-FEC increases the coverage level and, then, the maximum service data rate. The gain due to AL-FEC is greater in scenarios with high mobility users, although, this gain is limited if low zapping times are desired. Regarding file delivery services, this dissertation analyses the duration of the transmission required to guarantee the correct file reception and the reduction in the mean throughput of unicast users with different delivery modes. They are the unicast delivery, the eMBMS delivery and a hybrid approach, which combines a first eMBMS delivery with a postdelivery error repair phase with unicast transmissions. Our results show that the hybrid delivery is the most efficient configuration in terms of file download time, although it further reduces unicast performance.
Calabuig Gaspar, J. (2015). Broadcasting in 4G mobile broadband networks and its evolution towards 5G [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/48561
TESIS
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Mwangama, Joyce Bertha. "Infrastructure sharing of 5G mobile core networks on an SDN/NFV platform." Doctoral thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/27359.

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When looking towards the deployment of 5G network architectures, mobile network operators will continue to face many challenges. The number of customers is approaching maximum market penetration, the number of devices per customer is increasing, and the number of non-human operated devices estimated to approach towards the tens of billions, network operators have a formidable task ahead of them. The proliferation of cloud computing techniques has created a multitude of applications for network services deployments, and at the forefront is the adoption of Software-Defined Networking (SDN) and Network Functions Virtualisation (NFV). Mobile network operators (MNO) have the opportunity to leverage these technologies so that they can enable the delivery of traditional networking functionality in cloud environments. The benefit of this is reductions seen in the capital and operational expenditures of network infrastructure. When going for NFV, how a Virtualised Network Function (VNF) is designed, implemented, and placed over physical infrastructure can play a vital role on the performance metrics achieved by the network function. Not paying careful attention to this aspect could lead to the drastically reduced performance of network functions thus defeating the purpose of going for virtualisation solutions. The success of mobile network operators in the 5G arena will depend heavily on their ability to shift from their old operational models and embrace new technologies, design principles and innovation in both the business and technical aspects of the environment. The primary goal of this thesis is to design, implement and evaluate the viability of data centre and cloud network infrastructure sharing use case. More specifically, the core question addressed by this thesis is how virtualisation of network functions in a shared infrastructure environment can be achieved without adverse performance degradation. 5G should be operational with high penetration beyond the year 2020 with data traffic rates increasing exponentially and the number of connected devices expected to surpass tens of billions. Requirements for 5G mobile networks include higher flexibility, scalability, cost effectiveness and energy efficiency. Towards these goals, Software Defined Networking (SDN) and Network Functions Virtualisation have been adopted in recent proposals for future mobile networks architectures because they are considered critical technologies for 5G. A Shared Infrastructure Management Framework was designed and implemented for this purpose. This framework was further enhanced for performance optimisation of network functions and underlying physical infrastructure. The objective achieved was the identification of requirements for the design and development of an experimental testbed for future 5G mobile networks. This testbed deploys high performance virtualised network functions (VNFs) while catering for the infrastructure sharing use case of multiple network operators. The management and orchestration of the VNFs allow for automation, scalability, fault recovery, and security to be evaluated. The testbed developed is readily re-creatable and based on open-source software.
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Yrjölä, S. (Seppo). "Analysis of technology and business antecedents for spectrum sharing in mobile broadband networks." Doctoral thesis, Oulun yliopisto, 2017. http://urn.fi/urn:isbn:9789526214993.

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Abstract Sharing is emerging as one of the megatrends influencing future business opportunities, and wireless communications is no exception to this development. Future mobile broadband networks will operate on different types of spectrum bands including shared spectrum, which calls for changes in the operation and management of the networks. The creation and capture of value by the different players in the mobile broadband ecosystem is expected to change due to regulation, technology, and business landscape related drivers that concern not only spectrum sharing, but also sharing of other resources such as infrastructure, technologies, or data. This thesis examines the key business and technology enablers needed to exploit spectrum sharing in mobile broadband networks, and presents the business model characteristics and strategic choices that spectrum sharing concepts support. Action research and integral scenarios methodologies were applied for strategic and business analysis utilizing the capacity and expertise of the policy, business and technology research communities. The thesis introduces a new approach to analyze the scalability of the spectrum sharing concepts and their business model elements utilizing sharing economy antecedent factors. The results indicate that all analyzed sharing concepts meet basic requirements to scale. The Licensed Shared Access (LSA) leverages existing assets and capabilities of the mobile network operator domain, the Citizens Broadband Radio Service (CBRS) extends the business model dynamics from connectivity to content, context and commerce, and the hybrid usage of Ultra High Frequency (UHF) band by Digital Terrestrial TV (DTT) and downlink Long Term Evolution (LTE) (HUHF) enables new collaborative opportunities between converging communication, Internet and media domains. The thesis validates the feasibility of spectrum sharing between mobile broadband networks and other types of incumbent spectrum users utilizing Finnish cognitive radio field trial environment (CORE), and expands the notion of spectrum sharing beyond the mobile broadband domain to be applied to other wireless systems including the media and broadcasting. The presented results can be used in developing the future mobile broadband systems enhanced with innovative spectrum sharing enabled business models to cope with the growing demand for capacity and new services by humans and machines
Tiivistelmä Jakamistalous on yksi suurista tulevaisuuden liiketoimintamahdollisuuksiin vaikuttavista trendeistä, eikä langaton tietoliikenne ole tässä poikkeus. Tulevaisuuden laajakaistaiset matkapuhelinverkot tulevat hyödyntämään erityyppisiä radiotaajuuksia, kuten jaettuja taajuuskaistoja, mikä vaatii muutoksia verkkojen toimintoihin ja hallintaan. Eri toimijoiden arvonluonti- ja ansaintamahdollisuuksien odotetaan muuttuvan näissä liikkuvan laajakaistan ekosysteemeissä regulaation, teknologian ja liiketoimintaympäristön kehittyessä, ei vain taajuuksien jakamisessa, vaan myös kun kyseessä on muiden resurssien kuten infrastruktuurin, teknologioiden tai tiedon jakaminen. Väitöskirja tutkii teknologia- ja liiketoimintaedellytyksiä taajuusjakomenetelmille matkapuhelinverkoissa, sekä esittelee ja analysoi menetelmien mahdollistamia liiketoimintamalleja ja strategisia valintoja. Strategia- ja liiketoiminta-analyyseissä käytettiin toimintatutkimus- ja skenaariomenetelmiä poikkitieteellisissä tutkimusprojekteissa yhteistyössä reguloinnin, liiketoiminnan ja tekniikan tutkimusyhteisöjen kanssa. Tutkimus esittelee uuden lähestymistavan taajuusjakotekniikoiden liiketoimintamallien skaalautuvuuden analysointiin jakamistalouden määritelmiä hyödyntäen. Tulokset osoittavat, että kaikki tutkitut tekniikat täyttävät perusedellytykset skaalautuvuudelle; Licensed Shared Access (LSA) hyödyntäen matkapuhelinoperaattorin olemassa olevia resursseja ja kyvykkyyksiä, Citizens Broadband Radio Service (CBRS) laajentaen liiketoimintamalleja tietoliikenteestä sisältöön, kontekstiin ja kaupankäyntialustoihin, sekä digitaalitelevision ja langattoman LTE-tekniikan hybridikäyttö UHF-taajuuskaistalla (HUHF) mahdollistaen uusia liiketoimintamahdollisuuksia lähentyvien tietoliikenne-, Internet- ja mediaekosysteemien välillä. Väitöskirja tulokset vahvistivat taajuuden jakamisen soveltuvuuden liikkuvan laajakaistaverkon ja saman taajuusalueen eri teollisuudenalan haltijan välillä suomalaisessa CORE kenttätestausympäristössä, ja laajensivat taajuusjakotekniikan sovellettavuutta myös muihin langattomiin järjestelmiin sisältö- ja mediajakelussa. Esitettyjä tuloksia voidaan hyödyntää tulevaisuuden langattomien laajakaistaverkkojen kehitystyössä vastaamaan ihmisten ja koneiden kasvaviin tietoliikennepalveluiden ja -kapasiteetin tarpeisiin hyödyntäen tehokkaita taajuusjakotekniikoita ja niiden mahdollistamia innovatiivisia liiketoimintamalleja
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Ray, Sayan Kumar. "On the design of fast handovers in mobile WiMAX networks." Thesis, University of Canterbury. Computer Science and Software Engineering, 2012. http://hdl.handle.net/10092/7657.

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This Thesis is an embodiment of some research work carried out towards achieving faster and more reliable handover techniques in a Mobile WiMAX (Worldwide Interoperability for Microwave Access) network. Handover, also called handoff, is the critical mechanism that allows an ongoing session in a cellular mobile network like WiMAX to be seamlessly maintained without any call drop as the Mobile Station (MS) moves out of the coverage area of one base station (BS) to that of another. Mobile WiMAX supports three different types of handover mechanisms, namely, the hard handover, the Fast Base Station Switching (FBSS) and the Micro-Diversity Handover (MDHO). Out of these, the hard handover is the default handover mechanism whereas the other two are the optional schemes. Also, FBSS and MDHO provide better performance in comparison to hard handover, when it comes to dealing with the high-speed multimedia applications. However, they require a complex architecture and are very expensive to implement. So, hard handover is the commonly used technique accepted by the mobile broadband wireless user community including Mobile WiMAX users. The existing Mobile WiMAX hard handover mechanism suffers from multiple shortcomings when it comes to providing fast and reliable handovers. These shortcomings include lengthy handover decision process, lengthy and unreliable procedure of selecting the next BS, i.e., the target BS (TBS) for handover, occurrence of frequent and unwanted handovers, long connection disruption times (CDT), wastage of channel resources, etc. Out of these, reducing the handover latency and improving the handover reliability are the two issues that our present work has focused on. While the process of selecting the TBS for handover adds to the overall delay in completing the process of handover, choosing a wrong TBS for handover increases the chance of further unwanted handovers to occur or even a call drop to occur. The latter greatly hampers the reliability of a handover. In order to contribute to the solution of the above two problems of slow handover and unreliable handover, this Thesis proposes and investigates three handover techniques, which have been called Handover Techniques 1, 2 and 3, respectively. Out of these three techniques, the first two are fully MS-controlled while the third one is a dominantly serving BS-controlled. In Handover Techniques 1 and 2, which share between them some amount of commonness of ideas, the MS not only itself determines the need for a handover but also self-tracks its own independent movement with respect to the location of the (static) neighboring BSs (NBS). N both these handover techniques, the MS performs distance estimation of the NBSs from the signal strength received from the NBSs. But they (the two handover techniques) employ different kinds of “lookahead” techniques to independently choose, as the TBS, that NBS to which the MS is most likely to come nearest in the future. Being MS-controlled, both Handover Technique 1 and Handover Technique 2 put minimal handover-related workload on their respective SBSs who thus remain free to offer services to many more MSs. This interesting capability of the two handover techniques can increase the scalability of the WiMAX network considerably. In Handover Technique 3, which is a BS-controlled one with some assistance received from the MS, the SBS employs three different criteria or parameters to select the TBS. The first criterion, a novel one, is the orientation matching between the MS’s direction of motion and the geolocation of each NBS. The other two criteria are the current load of each NBS (the load provides an indication of a BS’s current QoS capabilities) and the signal strength received by the MS from each NBS. The BS assigns scores to each NBS against each of the three independent parameters and selects the TBS, which obtains the highest weighted average score among the NBSs. All three handover techniques are validated using simulation methods. While Handover Techniques 1 and 2 are simulated using Qualnet network simulator, for Handover Technique 3, we had to design, with barest minimum capability, our own simulation environment, using Python. Results of simulation showed that for Handover Techniques 1 and 2, it is possible to achieve around 45% improvement (approx) in the overall handover time by using the two proposed handover techniques. The emphasis in the simulation of the Handover Technique 3 was on studying its reliability in producing correct handovers rather than how fast handovers are. Five different arbitrary pre-defined movement paths of the MS were studied. Results showed that with orientation matching or orientation matching together with signal strength, reliability was extremely good, provided the pre-defined paths were reasonably linear. But reliability fell considerably when relatively large loads were also considered along with orientation matching and signal strength. Finally, the comparison between the proposed handover techniques in this Thesis and few other similar techniques in Mobile WiMAX proposed by other researchers showed that our techniques are better in terms providing fast, reliable and intelligent handovers in Mobile WiMAX networks, with scalability being an added feature.
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FARIAS, Fabrício de Souza. "Designing cost-efficient transport solutions for fixed and mobile broadband access network." Universidade Federal do Pará, 2016. http://repositorio.ufpa.br/jspui/handle/2011/7956.

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CNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
Esta tese se concentra na avaliação técnico econômica de soluções de transporte para acesso banda larga fixa e móvel. Para futuras redes de acesso móvel, propõem-se arquiteturas de backhaul usando fibra e microondas baseado no desenvolvimento de redes de acesso wireless verde e infraestruturas legadas de backhaul baseada em cobre para migração Brownfield, ou seja, usando infraestrutura existente até o limite de capacidade suportada, enquanto para redes de banda larga fixa são propostas implantações de proteção baseadas em esquemas híbridos, ou seja, fiber+wireless. As principais contribuições desta tese estão relacionadas ao campo de pesquisa do custo total de investimento em infraestrutura de transporte banda larga. Em termos de custo total de investimento, são propostos dois conjuntos de modelos para avaliar as despesas de capital e de operação, CAPEX e OPEX respectivamente, de operadoras de redes de acesso banda larga fixa e móvel. Primeiramente, para banda larga móvel, é apresentado um conjunto de modelos condensado em uma metodologia geral que visa fornecer: previsão de tráfego, implantação de rede sem fio, implantação de backhaul móvel e avaliação do custo total. É mostrado que o backhaul baseado em fibra considerando acesso sem fio verde é a opção mais eficiente em termos de energia. Além disso, Brownfield mostra que o backhaul baseado em cobre ainda pode desempenhar um grande papel se utilizado até a exaustão de sua capacidade e reduz drasticamente os custos de investimentos em infraestrutura. Adicionalmente, são apresentadas as principais diferenças de custos e valores de energia entre redes de acesso sem fio verde e Brownfield. Finalmente, para banda larga fixa, é proposta uma metodologia baseada em dimensionamento de rede, custos associados à falha e avaliação do custo total por assinante. Os modelos são utilizados para avaliar cinco modelos que representam diferentes esquemas de proteção para arquiteturas de banda larga fixa. Esta pesquisa revela os benefícios econômicos do uso de esquema de proteção híbrido baseado em arquitetura fiber+wireless comparado com a opção de proteção baseada totalmente em fibra e é também apresentada uma análise de sensibilidade para provar que o investimento adicional em CAPEX para proteger a infraestrutura pode ser recuperado em alguns anos através da economia em OPEX.
This thesis undertakes a techno-economic evaluation of transport solutions for fixed and mobile broadband access. In the case of future mobile access networks, it is proposed to make use of backhaul architectures using fiber and microwave applied to Greenfield deployments and a copper-legacy backhaul infrastructure based on Brownfield migration, i.e. finding a way of using a legacy infrastructure to its full capacity. At the same time, protection deployments based on fiber-wireless schemes are recommended for future fixed broadband. The main contribution made by this thesis is to carry out a research investigation into the total investment cost of the broadband transport infrastructure. This will be determined by employing two sets of models to assess the capital and operational expenditures, (CAPEX and OPEX respectively), of mobile and fixed broadband access network operators. First, this involves a set of models for mobile broadband that are summarized in a general methodology that aims at providing: traffic forecasting, wireless deployment, mobile backhaul deployment and total cost assessment. It was found that, fiber-based backhaul through a Greenfield deployment is the most energy-efficient option. Furthermore, Brownfield reveals that copper-based backhaul can still play a key role if used up to its full capacity and sharply reduces the investment costs in infrastructure. Additionally, there is an examination of the main differences in cost and energy values between Greenfield and Brownfield. Finally, a methodology is employed for fixed broadband based on network dimensioning, failure costs and an assessment of the total cost of ownership. The models are used to assess five architectures that represent different protection schemes for fixed broadband. This research shows the economic benefits of using a hybrid protection scheme based on fiber-wireless architecture rather than fiber-based protection options and a sensitivity analysis is conducted to show that the extra CAPEX invested to protect the infrastructure might be recovered through the OPEX after a number of years. The results obtained in the thesis should be useful for network operators to plan both their fixed and mobile broadband access network infrastructure in the future.
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Zand, Emad Dolatshahi. "Measurement of TOA using frequency domain techniques for indoor geolocation." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0428103-130325.

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Books on the topic "Mobile broadband networks"

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From GSM to LTE: An introduction to mobile networks and mobile broadband. Chichester, West Sussex, U.K: Wiley, 2011.

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Kahng, Hyun-Kook, and Shigeki Goto, eds. Information Networking. Networking Technologies for Broadband and Mobile Networks. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b99472.

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Lee, Byeong Gi. Broadband wireless access and local networks: Mobile WiMax and WiFi. Boston, Mass: Artech House, 2008.

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Paul, Sanjoy. Digital Video Distribution in Broadband, Television, Mobile and Converged Networks. Chichester, UK: John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9780470972915.

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Interacting with broadband society. Frankfurt: Peter Lang, 2010.

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Digital video distribution in broadband, television, mobile, and converged networks: Trends, challenges, and solutions. Chichester, West Sussex, U.K: Wiley, 2010.

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Kaorhonen, Jouni. Deploying IPv6 in 3GPP networks: Evolving mobile broadband from 2G to LTE and beyond. Chichester, West Sussex: John Wiley & Sons, 2013.

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Cheeha, Kim, ed. Information networking: Convergence in broadband and mobile networking : international conference, ICOIN 2005, Jeju Island, Korea, January 31-February 2, 2005 : proceedings. Berlin: Springer, 2005.

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1959-, Kahng Hyun-Kook, Goto Shigeki, Hanʼguk Chŏngbo Kwahakhoe, and Jōhō Shori Gakkai (Japan), eds. Information networking: Networking technologies for broadband and mobile networks : international conference ICOIN 2004, Busan, Korea, February 18-20, 2004 : revised selected papers. Berlin: Springer, 2004.

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1952-, Lai Ming, ed. WIMAX technology and network evolution. Hoboken, N.J: Wiley, 2010.

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Book chapters on the topic "Mobile broadband networks"

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Stewart, Ken, Juan Ramiro, and Khalid Hamied. "Operating Mobile Broadband Networks." In Self-Organizing Networks, 1–19. Chichester, UK: John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119954224.ch1.

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Gerla, Mario, and Luigi Fratta. "QoS Support in Mobile, Multimedia Networks." In Broadband Wireless Communications, 181–200. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1570-0_18.

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Weerawardane, Thushara. "High Speed Broadband Mobile Networks." In Optimization and Performance Analysis of High Speed Mobile Access Networks, 7–50. Wiesbaden: Vieweg+Teubner Verlag, 2012. http://dx.doi.org/10.1007/978-3-8348-8253-0_2.

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Knight, Caroline. "Service creation from IN to mobile and broadband." In Intelligent Networks, 47–60. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-0-387-34894-0_3.

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Marques, Paulo, Jonathan Rodriguez, Tim Forde, Linda Doyle, Ki Won Sung, Jürgen Lauterjung, and Ulrich H. Reimers. "Towards a Unified 5G Broadcast-Broadband Architecture." In Fundamentals of 5G Mobile Networks, 191–206. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118867464.ch8.

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Pribi, Klaus. "Optical Crosslinks for Broadband Satellite Networks." In Mobile and Personal Satellite Communications 3, 290–300. London: Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-0809-2_22.

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Berger, Lars Torsten. "Broadband Power-Line Communications." In Convergence of Mobile and Stationary Next-Generation Networks, 289–316. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470630976.ch10.

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Kavanaugh, Andrea L. "North African Information Networks." In Frontiers of Broadband, Electronic and Mobile Commerce, 287–302. Heidelberg: Physica-Verlag HD, 2004. http://dx.doi.org/10.1007/978-3-7908-2676-0_17.

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Bäumer, C., and T. Magedanz. "The Grasshopper Mobile Agent Platform Enabling Shortterm Active Broadband Intelligent Network Implementation." In Active Networks, 109–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-540-48507-0_10.

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Lin, Li-Fong, Ning-You Yan, Chung-Ju Chang, and Ray-Guang Cheng. "An Enhanced Traffic Marker for DiffServ Networks." In Information Networking. Convergence in Broadband and Mobile Networking, 432–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-30582-8_45.

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Conference papers on the topic "Mobile broadband networks"

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Ilchenko, M. I., K. S. Sunduchkov, and S. E. Volkov. "Functional Features of Mobile Broadband Networks." In 2007 17th International Crimean Conference "Microwave and Telecommunication Technology" (CriMiCo '2007). IEEE, 2007. http://dx.doi.org/10.1109/crmico.2007.4368688.

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Serrano, Clara, Maria Diaz, Alberto Gomez, Miguel Arranz, and Santiago Tenorio. "Active Antenna - Efficient Mobile Broadband Networks." In 2011 IEEE Vehicular Technology Conference (VTC 2011-Spring). IEEE, 2011. http://dx.doi.org/10.1109/vetecs.2011.5956751.

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Szabo, Geza, Daniel Orincsay, Balazs Peter Gero, Sandor Gyori, and Tamas Borsos. "Traffic Analysis of Mobile Broadband Networks." In 3rd International ICSTConference on Wireless Internet. ICST, 2007. http://dx.doi.org/10.4108/wicon.2007.2157.

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Wang, Michael. "Ultra Mobile Broadband Technology Overview." In 2008 6th Annual Communication Networks and Services Research Conference (CNSR). IEEE, 2008. http://dx.doi.org/10.1109/cnsr.2008.100.

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Lometti, Alberto, and Vincenzo Sestito. "Optical access architectures for backhauling of broadband mobile networks." In 2012 XVth International Telecommunications Network Strategy and Planning Symposium (NETWORKS). IEEE, 2012. http://dx.doi.org/10.1109/netwks.2012.6381664.

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J. Grahn, Kaj, Göran Pulkkis, and Jean-Sebastien Guillard. "Security of Mobile and Wireless Networks." In 2002 Informing Science + IT Education Conference. Informing Science Institute, 2002. http://dx.doi.org/10.28945/2491.

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Abstract:
This paper gives a topical overview of wireless network security aspects. Security measures taken depend on the different protocols, standards, techniques and systems available. A brief introduction to security protocols, standards and corresponding technologies is given. The essay will concentrate on 2G, 2.5G, 3G and wireless local area networks. Standards, like WAP, IEEE 802.11, HomeRF, HIPERLAN/2, IPSec and Bluetooth, are included. A local area network, MediaPoli, has been implemented to work as a testbed for new innovations, products and services. The development environment is based on this high-capacity wired/wireless broadband network. Key research areas, actual projects and offered services are discussed. All activities aim at the future information society.
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Larson, Natalie, Džiugas Baltrunas, Amund Kvalbein, Amogh Dhamdhere, kc claffy, and Ahmed Elmokashfi. "Investigating Excessive Delays in Mobile Broadband Networks." In SIGCOMM '15: ACM SIGCOMM 2015 Conference. New York, NY, USA: ACM, 2015. http://dx.doi.org/10.1145/2785971.2785980.

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Baltrunas, Dziugas, Ahmed Elmokashfi, and Amund Kvalbein. "Measuring the Reliability of Mobile Broadband Networks." In IMC '14: Internet Measurement Conference. New York, NY, USA: ACM, 2014. http://dx.doi.org/10.1145/2663716.2663725.

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Correia, L. M. "COST 273 - towards mobile broadband multimedia networks." In Twelfth International Conference on Antennas and Propagation (ICAP 2003). IEE, 2003. http://dx.doi.org/10.1049/cp:20030139.

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Fida, Mah-Rukh, Evrim Acar, and Ahmed Elmokashfi. "Multiway Reliability Analysis of Mobile Broadband Networks." In IMC '19: ACM Internet Measurement Conference. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3355369.3355591.

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Reports on the topic "Mobile broadband networks"

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Hu, S., D. Eastlake, F. Qin, T. Chua, and D. Huang. The China Mobile, Huawei, and ZTE Broadband Network Gateway (BNG) Simple Control and User Plane Separation Protocol (S-CUSP). RFC Editor, May 2020. http://dx.doi.org/10.17487/rfc8772.

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