The cellular operators (Vodacom, Cell C, MTN and now Virgin Mobile) market has over 39-million mobile phone subscribers and the fixed operator (Telkom) has almost 5 million subscribers [13]. Although the telecommunication sector has been experiencing this significant growth (in terms of numbers), monopolisation of the local loop by Telkom has also resulted in communication prices that are not affordable to the majority of South Africans. The government of South Africa has identified cost of telecommunication services as one of the key initiatives that must be addressed to improve equal levels of access to ICT services in general. Local Loop Unbundling (or LLU for short) has been identified by the South African government as a tool that will minimise control that Telkom has over the copper cable connecting exchanges to customers whilst at the same time driving down the costs of Telecommunication in the country. Although some countries have successfully implemented local loop unbundling, some have not been so successful [3]. This dissertation proposes ICT Systems and processes South Africa needs to have in place to become one of the few success stories. The proposed model was validated against the different models adopted in countries like France, Portugal, United Kingdom and Austria. This dissertation develops a model for implementing local loop unbundling in the South African ICT sector. Local loop unbundling (in short LLU) has been successfully (and unsuccessfully) implemented in a number of countries around the world [3]. The model being proposed recommends best practices to be followed by all stakeholders to ensure successful deployment of local loop unbundling. The research takes a closer look at the South African ICT sector and makes recommendations on processes and systems that are necessary to ensure successful deployment of local loop unbundling in South Africa. The dissertation is written from the view of Telkom (The incumbent Operator), competitors (existing ones and new entrants) and the Regulator (ICASA) and focuses mainly on:  Technical Processes and Challenges that must be addressed  Regulatory Process and Challenges that must be addressed  Economic Challenges that must be addressed  Comparison to international ICT Markets and  Recommendations and Conclusions. The dissertation also covers the development of the Local loop unbundling model charter, Local Loop Management website and processes (Annexure A and B) developed (using HTML) used for the management of the unbundling process. Keywords: o Local loop o Caged Co-location / Thesis (M.Ing. (Development and Management Engineering)--North-West University, Potchefstroom Campus, 2009.

The cellular operators (Vodacom, Cell C, MTN and now Virgin Mobile) market has over 39-million mobile phone subscribers and the fixed operator (Telkom) has almost 5 million subscribers [13]. Although the telecommunication sector has been experiencing this significant growth (in terms of numbers), monopolisation of the local loop by Telkom has also resulted in communication prices that are not affordable to the majority of South Africans. The government of South Africa has identified cost of telecommunication services as one of the key initiatives that must be addressed to improve equal levels of access to ICT services in general. Local Loop Unbundling (or LLU for short) has been identified by the South African government as a tool that will minimise control that Telkom has over the copper cable connecting exchanges to customers whilst at the same time driving down the costs of Telecommunication in the country. Although some countries have successfully implemented local loop unbundling, some have not been so successful [3]. This dissertation proposes ICT Systems and processes South Africa needs to have in place to become one of the few success stories. The proposed model was validated against the different models adopted in countries like France, Portugal, United Kingdom and Austria. This dissertation develops a model for implementing local loop unbundling in the South African ICT sector. Local loop unbundling (in short LLU) has been successfully (and unsuccessfully) implemented in a number of countries around the world [3]. The model being proposed recommends best practices to be followed by all stakeholders to ensure successful deployment of local loop unbundling. The research takes a closer look at the South African ICT sector and makes recommendations on processes and systems that are necessary to ensure successful deployment of local loop unbundling in South Africa. The dissertation is written from the view of Telkom (The incumbent Operator), competitors (existing ones and new entrants) and the Regulator (ICASA) and focuses mainly on:  Technical Processes and Challenges that must be addressed  Regulatory Process and Challenges that must be addressed  Economic Challenges that must be addressed  Comparison to international ICT Markets and  Recommendations and Conclusions. The dissertation also covers the development of the Local loop unbundling model charter, Local Loop Management website and processes (Annexure A and B) developed (using HTML) used for the management of the unbundling process. Keywords: o Local loop o Caged Co-location / Thesis (M.Ing. (Development and Management Engineering)--North-West University, Potchefstroom Campus, 2009.

No description available.

近年來，電信業已由寡占走向了完全競爭市場，伴隨著消費者意識的抬頭，有限的市場大餅，更侷限了用戶數的大躍進，因此各家電信營運商無不卯足全力，專注在提供吸引消費者的產品、資費方案、以及ARPU（Average-Revenue-Per-User）的提昇…等議題上。企業要如何面對競爭慘烈的市場？如何保持內部流程的彈性去因應變化？基於上述事項，如何運用資訊科技來達到企業的目標就更加重要了，而EAI 的功能，提供了企業對應用系統的整合，維持流程的彈性應用，更進而協助企業降低整合風險、節省資訊軟體的開發與維護成本、強化供應商的合作關係，進而產生對企業的效益。 本研究使用個案研討的方式，選定幾項關鍵流程進行深度分析，針對電信業在營運系統上整合的議題作探討，並說明企業整合應用軟體導入所帶來的效益。對於電信產業而言，客戶關係管理系統、帳務系統、開通系統、加值服務應用平台系統…等是整合的開端，亦是重點之所在。經由EAI軟體的導入，提供營運應用系統之間資訊的同步，也相對的提供決策人員反應快速的資訊。 電信業者在系統建置中，如何有效運用企業整合軟體之特性來整合各異質性平台應用系統，以達到資訊的整合，並藉由資訊的及時傳遞提供各不同應用系統使用者一致的資訊，進而提高資訊的可用度及客服人員及門市人員對客戶的服務，增加企業的競爭力。 / Telco has already been moving toward perfect competitive market since last decade. Meanwhile, along with the ideology of consumers that dominates the trend and momentum of open market. It also blocked the growth rate of subscribers in domestic market. Under such circumstance, all Operators are fully concentrating on value-added product, tariff, rate plan…and so on, to attract consumers so that Operators are able to increase the ARPU (Average-Revenue-per-User). How to face the severe competitive market? How to maintain the flexibility of internal process to adopt the drastic changing market？ Based upon above mentioned issues, it is very important to use information technology to approach this target. Nevertheless, the functionality of EAI (Enterprise Application Integration) offers an all-in-one solution and integration to application system. Still, it also maintains the flexibility of process flow. Further more, it reduces the risk of enterprise integration and saves cost in terms of implementation and maintenance. On the other hands, EAI is not only to enhance the relationship of suppliers but also generate the synergy of enterprise. The purpose of this theme is to deeply analyze the critical process inside company. Besides, it also points out that how to use EAI in Telco field for the purpose of gaining benefit to Operator. Telco’s IT system includes CRM (Customer relationship management), Billing system, Provision, and the platform of value-added service and application. After installing EAI, it is able to offer the synchronization among all application system and capable to expedite the response time of decision makers. In addition, it is very important to use EAI to integrate the different application platform. After that, EAI is able to consolidation all necessary information and deliver all users with same information just in time. Customer Service Division and Chain Store could transfer this power to secure better services to consumers then enlarge the competition of enterprise.

由於智慧型手機與各種手持裝置日漸普及，4G行動上網速度與行動支付安全性、便利性與即時性的提升，行動支付（Mobile Payment）在這幾年已然成為電信、金融、手機軟硬體製造產業之間最熱門的話題之一，多樣化之支付型態因應而生。將個人行動裝置結合金融支付工具進行交易，讓使用者不需帶錢包出門即能輕鬆完成小額支付是未來趨勢，世界各國行動支付的比例逐漸提高，邁入無現金社會。 台灣電信運營商也積極在行動支付戰場爭取一席之地，陸續推出電信運營商帳單代付（Direct Carrier Billing，DCB）及近距離無線通訊（Near Field Communication，NFC）相關行動支付應用服務，以增加創新服務體驗及客戶黏著度，最終目標為提高客戶平均貢獻度（Average Revenue Per User，ARPU）。 本研究採用質性研究方法，透過次級資料蒐集、整理及分析，瞭解國外電信運營商之成功案例從中擷取鑑往知來的想法和做法，再深入觀察目前國內電信運營商在DCB的壞帳風險過高的問題及NFC電子錢包等行動支付之發展現況與窘境。最後提出建議，建議一為推動成立「電信聯合徵信中心」以共同降低壞帳風險，同時針對DCB用戶之消費項目進行分析以精準行銷並提升ARPU；建議二為推廣以「行動號碼」為數位身份認證（Mobile Connect）之行動支付平台，不僅可增加電信運營商之營收，更能夠滿足消費者追求快速、便利、安全性的需求。 / With the increasing popularity of smart phones and handheld devices, The 4G high mobility speeds and the security, convenience and real-time of mobile payment were improved. In recent years Mobile Payments have become a hot topic between the telecommunications, financial industry, mobile hardware and software manufacturing industry, diversified payment patterns in response. It is the future trend to combine personal mobile devices with financial payments tools so that users can easily make small payment no need to bring their wallet. The proportion of the Mobile Payment by countries in the world is gradually increasing and moving towards a cashless society. Taiwan's telecom operators are also preparing to carve out a niche for themselves in the mobile payment battlefield by launching Direct Carrier Billing （DCB）and Near Field Communication（NFC）related mobile payment application service to increase innovative service experience and customer adhesion, The ultimate goal is to enhance their Average Revenue Per User（ARPU）. This research uses Qualitative Research Methods by collect, collate and analyze secondary data to understand the ideas and practices of observing the successful cases of foreign telecom operators to capture from the past to further understanding and solutions. And in-depth observation of the current domestic telecom operator’s highly bad debt risk in DCB and development situation and dilemma of the NFC related mobile payments. Finally, suggestion one is to facilitate the establishment of "Telecom’s Joint Credit Information Center" to reduce the risk of bad debts and then analyze the consumption items of DCB subscribers for precise marketing to enhance ARPU. Suggestion two is to promote “Mobile Connect” digital authentication solution with “Mobile Directory Number” in mobile payment’s platform. It not only increases the revenue of telecom operators, but also satisfy needs of consumer’s about seeking fast, convenient and safe.

Tesis por compendio / [ES] El sector de la edificación representa el 20% y el 40% de la energía primaria mundial, contribuyendo al 30% de las emisiones de CO2, un desafío amplificado por el crecimiento de la población. Sin embargo, el creciente interés en las fuentes de energía renovables ya maduras, como la energía solar fotovoltaica (PV), ofrece oportunidades para mitigar los anteriores impactos, así como potenciales beneficios económicos, ambientales y sociales. El presente trabajo investiga las posibilidades y limitaciones en el despliegue masivo de sistemas de autoconsumo fotovoltaico (PVSC) en áreas urbanas desde una perspectiva de planificación urbana, considerando las limitaciones técnicas y económicas actuales. Con este fin, esta tesis emplea estrategias basadas en datos para desarrollar modelos físicos y modelos ágiles basados en regresiones como herramientas de evaluación del potencial técnico y económico de los sistemas PVSC en contextos urbanos. En primer lugar, se ha desarrollado y validado un submodelo empírico de producción fotovoltaica con mediciones climáticas y de producción recopiladas de una planta fotovoltaica de 50MW en funcionamiento. Además, se han investigado varias mejoras en el modelado del performance ratio (PR) en entornos de baja irradiancia. En la segunda etapa de esta investigación, el submodelo anterior se ha integrado en un modelo tecnoeconómico 3D basado en sistemas de información geográfica (GIS) capaz de evaluar el PVSC económico para una muestra de edificios residenciales. Además, el modelo incorpora modelos de sombras y estimaciones de demanda eléctrica horaria para evaluar una muestra de edificios residenciales. Una base de datos de simulación, derivada de los resultados anteriores, ha permitido el desarrollo de una metodología para entrenar un modelo basado en regresión y con ello estimar la producción y el periodo de retorno económico (PB) a escala de edificio con una precisión asumible para fines de planificación energética. Como último paso, se mejoró el submodelo de demanda empleando datos reales agregados de series temporales para múltiples patrones de consumo y proporcionando estimaciones realistas para otras tipologías de edificios. Además de las restricciones espaciales, el modelo optimiza el tamaño de las instalaciones según su demanda y limitaciones económicas, maximizando la relación entre autosuficiencia (SS) y el PB. Además, la metodología basada en regresión se ha ampliado para estimar, además del retorno de la inversión, múltiples indicadores clave de desempeño (KPIs) como la tasa interna de retorno (IRR), la tasa de autoconsumo (SC) y SS. A través de una adecuada identificación de predictores y una metodología de entrenamiento y validación, estas correlaciones permitieron estimaciones de rendimiento con una desviación aceptable respecto al modelo físico. La disponibilidad de datos relacionados con la construcción está aumentando progresivamente en la mayoría de los países, lo que permite una amplia aplicación y generalización de las metodologías propuestas y reduce el costo de simulación de estos estudios para cubrir áreas urbanas más extensas. Como aplicación de las metodologías anteriores, se analizaron los resultados del potencial económico fotovoltaico del parque inmobiliario completo de un municipio mediterráneo bajo diferentes escenarios económicos y de demanda a escala de edificio y municipal. Para el escenario que cumple con la regulación actual en España, la SS municipal oscila entre el 22%-43% para los escenarios más optimista y pesimista, respectivamente. El dimensionamiento óptimo de las instalaciones según las curvas de carga en la modalidad de Net Billing (NB) es crucial para obtener resultados económicos competitivos. En consecuencia, la generación fotovoltaica anual representó el 68% del consumo eléctrico total anual. / [CA] El sector de l'edificació representa el 20% i el 40% de l'energia primària mundial, contribuint al 30% de les emissions de CO2, un desafiament amplificat pel creixement de la població. No obstant això, el creixent interés en les fonts d'energia renovables ja madures, com l'energia solar fotovoltaica (PV), ofereix oportunitats per a mitigar els anteriors impactes, així com potencials beneficis econòmics, ambientals i socials. El present treball investiga les possibilitats i limitacions en el desplegament massiu de sistemes PVSC en àrees urbanes des d'una perspectiva de planificació urbana, considerant les limitacions tècniques i econòmiques actuals. A aquest efecte, aquesta tesi empra estratègies basades en dades per a desenvolupar models físics i models àgils basats en regressions com a eines d'avaluació del potencial tècnic i econòmic dels sistemes PVSC en contextos urbans. En primer lloc, s'ha desenvolupat i validat un submodel empíric de producció fotovoltaica amb mesuraments climàtics i de producció recopilats d'una planta fotovoltaica de 50MW en funcionament. A més, s'han investigat diverses millores en el modelatge del performance ràtio (PR) en entorns de baixa irradiància. En la segona etapa d'aquesta investigació, el submodel anterior s'ha integrat en un model tecnoeconòmic 3D basat en sistemes d'informació geográfica (GIS) capaç d'avaluar el PVSC econòmic per a una mostra d'edificis residencials. A més, el model incorpora models d'ombres i estimacions de demanda elèctrica horària per a avaluar una mostra d'edificis residencials. Una base de dades de simulació, derivada dels resultats anteriors, ha permés el desenvolupament d'una metodologia per a entrenar un model basat en regressió i amb això estimar la producció i la període de retorn econòmic (PB) a escala d'edifici amb una precisió assumible per a fins de planificació energètica. Com a últim pas, es va millorar el submodel de demanda emprant dades reals agregats de sèries temporals per a múltiples patrons de consum i proporcionant estimacions realistes per a altres tipologies d'edificis. A més de les restriccions espacials, el model optimitza la grandària de les instal·lacions segons la seua demanda i limitacions econòmiques, maximitzant la relació entre la taxa d'autosuficiència (SS) i PB. A més, la metodologia basada en regressió s'ha ampliat per a estimar, a més del retorn de la inversió, múltiples indicadors clau d'acompliment (KPIs) com la taxa interna de retorn (IRR), la taxa d'autoconsum (SC) i la SS. A través d'una adequada identificació de predictors i una metodologia d'entrenament i validació, aquestes correlacions van permetre estimacions de rendiment amb una desviació acceptable respecte al model físic. La disponibilitat de dades relacionades amb la construcció està augmentant progressivament en la majoria dels països, la qual cosa permet una àmplia aplicació i generalització de les metodologies proposades i redueix el cost de simulació d'aquests estudis per a cobrir àrees urbanes més extenses. Com a aplicació de les metodologies anteriors, es van analitzar els resultats del potencial econòmic fotovoltaic del parc immobiliari complet d'un municipi mediterrani baix diferents escenaris econòmics i de demanda a escala d'edifici i municipal. Per a l'escenari que compleix amb la regulació actual a Espanya, la taxa d'autosuficiència municipal oscil·la entre el 22%-43% per als escenaris més optimista i pessimista, respectivament. El dimensionament òptim de les instal·lacions segons les corbes de càrrega en la modalitat de Net Billing (NB) és crucial per a obtindre resultats econòmics competitius. En conseqüència, la generació fotovoltaica anual va representar el 68% del consum elèctric total anual. / [EN] The building sector in developed countries consumes 20% to 40% of global primary energy, contributing to 30% of the CO2 emissions, a challenge amplified by urban population growth. However, the rising interest in mature renewable energy sources, such as solar photovoltaic (PV), offers opportunities to mitigate these impacts and potential economic, environmental, and social benefits. The present research investigates the possibilities and constraints in the massive deployment of photovoltaic self-consumption (PVSC) systems in urban areas from an urban planning perspective, considering the current technical and economic limitations. To this end, this thesis employs data-driven strategies to develop both bottom-up physical and agile regression-based models as assessment tools for the technical and economic potential of PVSC systems in urban contexts. First, an empirical PV production submodel has been developed and validated with climate and production measurements collected from a 50MW utility-scale in operation. Additionally, several improvements in modeling the performance ratio (PR) in low-irradiance environments have been investigated. In the second stage of this research, the previous submodel has been integrated into a physical 3D GIS-based techno-economic model capable of assessing the economic PVSC for a sample of residential buildings. Additionally, the model incorporates shadow modeling and hourly electric demand estimations to assess sample residential buildings. A simulation database, derived from the previous results, has allowed the development of a methodology to train a regression-based model to estimate the production and the economic payback (PB) at a building scale with an assumable accuracy for energy planning purposes. As the last step, the demand submodel was improved by employing real aggregated time series data for multiple consumer patterns and providing realistic estimations for other building typologies. In addition to spatial restrictions, the model optimizes the sizing of the facilities according to their demand and economic constraints, maximizing the relationship between self-sufficiency (SS) and PB. Furthermore, the regression-based methodology has been extended to estimate, besides the payback, multiple key performance indicators such as internal rate of return (IRR), self-consumption rate (SC), and SS. Through an appropriate predictor identification and a training and validation methodology, these correlations allowed performance estimations with an acceptable deviation compared with the physical model. The availability of building-related data is progressively increasing in most countries, enabling widespread application and generalization of the proposed methodologies and reducing the simulation cost of these studies to cover larger urban areas. As an application of the previous methodologies, a complete-census economic PV potential results of a Mediterranean municipality's building stock was performed under different demand and economic scenarios at a building and municipality scale. For the scenario that meets the current regulation in Spain, the municipality SS ranged between 22%-43% for the most optimistic and pessimistic scenarios, respectively. The optimal sizing of the facilities according to the load curves in the Net Billing (NB) modality is crucial to obtaining competitive economic results. Consequently, the annual PV generation represented 68% of the annual total electricity consumption of the municipality for a net billing scenario, while a net metering scenario represented 103%. Owing to economies of scale and high demand intensity, a higher profitability was found in rooftops of apartment blocks and industrial buildings, which also achieve the highest savings in emissions. / Fuster Palop, E. (2023). Modeling and Optimization of Photovoltaic Installations at Urban Scale [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/202061 / Compendio

The aim of this final thesis is to explain of the flat owners associations management and point out the particularities in accounting and tax specifics of this entity. The theoretical part deals with the general characteristics of the non-governmental sector in the Czech Republic and in selected member states of the European Union. In broader context the legislation and accounting regulations related to flat owners associations are discussed as well. The practical part is focused on an analysis of accounting and tax aspects in particular conditions of Flat owners associations XY.