5g - redes móveis celular de quinta geração
TRANSCRIPT
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Instituto Nacional de Telecomunicações INATEL
Mestrado em TelecomunicaçõesTP525 Redes Convergentes
Tema5G
Docente: Antônio Marcos AlbertiDiscente: Miguel Sílvio André Francisco 27/09/2014
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Resumo
O objectivo deste trabalho é apresentar uma visão geral do
que é o 5G (Quinta geração de redes movéis celular). Bem como apresentar alguns projectos de 5G.
E relacionar o 5G com a internet do futuro.
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Sumário
Histórico
5G Introdução
5G Requisitos
5G Arquiteturas Propostas.
5G Tecnologias propostas
Grupos/Projectos.
Viajando na Maionese.
Conclusão
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Histórico
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Histórico
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5G IntroduçãoO que é o 5G ?
Janeiro de 2012 a ITU-R aprovou a especificação do 4G.
Enquanto isso o dramático crescimento dos serviços de dados móveis desencadeou o estudo do 5G.
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5G IntroduçãoO que é o 5G ?
A industria ainda não chegou a um consenso sobre o que é o 5G.
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5G IntroduçãoO que é o 5G ?
Conjunto de padrões de comunicações móveis interconectados.
Era 2020.
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5G IntroduçãoO que é o 5G ?
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5G IntroduçãoO que é o 5G ?
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5G Requisitos
(Boyd Bangerter, at IEEE Communications Magazine 2014) “The industry’s concept of mobile performance is evolving, and so are performance metrics”.
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5G RequisitosQualidade de experiência de Usúario QoE
(Boyd Bangerter, at IEEE Communications Magazine 2014) “In order to provide a high QoE for services, 5G systems will need to be context-aware, utilizing context information in a real-time”.
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5G RequesitosMaior Capacidade
(T. Nakamura, at IEEE Communications Magazine 2013)“Mobile data traf-fic has been forecasted to grow more than 24-fold between 2010 and 2015, and more than 500-fold between 2010 and 2020”.
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5G RequesitosMaior Capacidade
(Woon Hau Chin, at IEEE 2014) “heavyweights such as Qualcomm and Nokia Siemens Networks are looking at technologies which will cope with traffic growth of 1000 times”.
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5G RequesitosMaior Capacidade
Como atingir:
Separação dos planos de controle e usúario.
Celulas pequenas.
MIMO.
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5G RequesitosMaior Eficiencia Espectral
Tecnicas de Multiplo acesso Não Ortogonais:
GFDM Generalized Frequency Division Multiplexing.[8]
CDMA-FMT.[9]
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5G RequesitosMais Espectro
MmWave:
(Federico Boccardi, at IEEE Commnucations Magazine 2014) “While spec-trum has become scarce at microwave frequen-cies, it is plentiful in the mmWave frequencies ranging from 3 to 300 GHz”.
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5G RequesitosMais Espectro
MmWave.
Bandas que estão a ser estudadas:
(Federico Boccardi, at IEEE Commnucations Magazine 2014) “28–30 GHz, the license-free band at 60 GHz, and the E-band at 71–76 GHz, 81–86 GHz, and 92–95 GHz”.
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5G RequesitosMais Espectro
Radio Cognitivo.
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5G RequisitosMenor Custo, Mais Flexibilidade
(Boyd Bangerter, at IEEE Communications Magazine 2014) “Cost and flexibility of deployment will also be important factors in 5G networks, requiring a shift toward software-based implementations and virtualization technologies”.
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5G Requesitos
Menor Consumo de Energia.
Menor Latência.
Melhor Cobertura.
Maior Performance.
Etc...
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5G Arquiteturas Propostas
“At the moment, the wireless industry has yet to reach a consensus on a unified view of future 5G network architecture. Some favor a more distributed network architecture with self-organizing capability, while others have advocated more centralized cloud-based access networks”.
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5G Arquiteturas Propostas
Anchor-Booster, 3GPP. Cloud RAN, China Mobile. Device to Device.
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Arquitetura Actual[1]
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5G Arquitetura Proposta[1]
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5G Arquiteturas PropostasAnchor-Booster
(3GPP TR 36.932, 2013) “In this architecture, the macro cell operates as an anchor base station, and is primarily responsible for control and mobility, while the small cell operates as a booster base station and is mainly responsible
for offloading data traffic”.
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5G Arquiteturas PropostasCloud RAN
(China Mobile, 2010) “In scenarios where small cells can be connected to macrocells with low-latency high-rate (“ideal”) backhaul, the baseband signals from several hun-dred cells can be received and processed at a centralized server platform”.
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Tecnologias Propostas
(Boyd Bangerter, at IEEE Communications Magazine 2014) “Several technologies expected to be key ingredients of 5G, ... are available today. Many others will be developed and deployed over the coming years.”
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Tecnologias PropostasSmall Cell
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Tecnologias PropostasSmall Cell
(Woon Hau Chin, at IEEE 2014) “By reducing the size of the cell, area spectral efficiency is increased through higher frequency reuse, while transmit power can be reduced such that the power lost through propagation will be lower”
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Tecnologias PropostasSmall Cell
(Woon Hau Chin, at IEEE 2014) “Additionally, coverage can be improved by deploying small cells ... and offloading traffic from macro cells when required”
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Tecnologias PropostasSmall Cell
(Shanzhi Chen, at IEEE Communications Magazine 2014) “the increase of small cell numbers in the future may far exceed 100 times the current number”
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Tecnologias PropostasVirtual Radio Access Network
O aumento das RAT(tecnologias de acesso a radio)
WiFi. LTE. WiGig Mm-Wave. Wearable devices RATs. Outras RATs M2M.
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Tecnologias PropostasVirtual Radio Access Network
(Boyd Bangerter, at IEEE Communications Magazine 2014) “An integrated virtual radio network will enable joint management and simultaneous use of radio resources across different radio technologies to significantly improve radio capacity, and
enhance coverage and wireless link reliability”.
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Tecnologias PropostasM2M
(Boyd Bangerter, at IEEE Communications Magazine 2014) “the Internet of Things concept contemplates a world where everything from alarm clocks to washing machines to automo-biles is connected through mobile-based machine-to-machine (M2M) communications”.
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Tecnologias PropostasMassive MIMO e 3D MIMO
(Boyd Bangerter, at IEEE Communications Magazine 2014) “Advanced multiple-input multiple-output(MIMO) techniques are at the heart of achieving higher capacity for cellular systems.”
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Tecnologias PropostasContext Awareness
(Boyd Bangerter, at IEEE Communications Magazine 2014) “In order to provide a high QoE for services, 5G systems will need to be context-aware, utilizing context information in a real-time manner based on network, devices, applications, and the user and his/her environment”.
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Tecnologias PropostasContext Awareness
(Boyd Bangerter, at IEEE Communications Magazine 2014) “In the 5G Era, new ways to abstract and efficiently generate context information are needed, as well as new ways to share context information between the application, network, and devices”.
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Tecnologias PropostasSoftware Defined Celular Networks
(Woon Hau Chin, at IEEE 2014) “Recently, there are also growing interests in both academia and industry to apply SDN to mobile networks”
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Tecnologias PropostasSoftware Defined Celular Networks
(Woon Hau Chin, at IEEE 2014) “Wireless SDN is still at its infancy. There are a number of outstanding issues to be resolved before it can realize its full potential”
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Tecnologias PropostasSoftware Defined Celular Networks
(Woon Hau Chin, at IEEE 2014)“Therefore, we believe that wireless or cellular SDN could be a possibility in future wireless networks”
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Tecnologias Propostas
Big Data.
Network Cooperation and Advanced Interference Mitigation.
Local Caching.
Relay Technologies.
Simultaneos Transmission and Reception.
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CHINA – 2020 PROMOTION GROUP, Fev 2013.[11]
KOREA – 5G Forum, Maio 2013.[11]
JAPÃO – Association of Radio Industries and Businesses.[11] (ARIB), Set 2013.
UNIÃO EUROPEIA –
FP7 ICT: METIS, 5GNOW, Ijoin, TROPIC, MOTO, COMBO etc... 2012.[11]
FP8 HORIZON 2020: 5GPPP, 2014.[11]
AMERICA – National Science Foundation (NSF) Future Internet Architetures (FIA): NDN, MobilityFirst, Nebula, XIA, ChoiceNet etc...[11]
Grupos/Projectos
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Viajando na Maionese6G
DBS – Drone Base Station
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Viajando na Maionese6G
Conjunto de DBS autonômicos.
Funcionamento id|entico a uma esquadra policial e os veiculos policiais de patrulha.
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Viajando na Maionese6G
Vantagens:
Mobilidade autonômica das Base Station.
Utilização eficiente das Base Station.
Cobertura mais eficiente de praticamente qualquer área.
Redução do OPEX.
Melhoria significativa do desempenho das redes móveis.
Abertura para um novo mundo de aplicações.
Adição de varias funcionalidades aos drones, Ex: sensoriamento diverso, vigilância, etc...
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Viajando na Maionese6G
Desafios:
Segurança dos drones no ar.
Regulamentação da faixa de voo dos drones e outras regulamentações.
Energia para alimentar os drones.
Peso.
Mobilidade.
Tecnologia autonômica.
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Conclusão
No principio as redes movéis celular e a internet eram coisas diferentes.
Desde o 4G as redes movéis celular foram totalmente integradas a internet.
Então falar de redes movéis celular do futuro, é falar de uma parte da internet do futuro.
A era do 5G já comessou.
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Referências[1] Boyd Bangerter, Shilpa Talwar, Reza Arefi, and Ken Stewart, Intel “Networks and Devices for the 5G Era,” IEEE Commnucations Magazine, Fevereiro de 2014.
[2] Woon Hau Chin, Zhong Fan, and Russel Haines “Emerging Technologies and Research Challengs for 5G Wireless Networks,” IEEE, Abril de 2014.
[3] Shanzhi Chen and Jian Zhao “The Requeriments, Chalenges and Technologies for 5G of Terrestrial Mobile Telecommunication,” EEE Commnucations Magazine, Maio de 2014.
[4] Federico Boccardi, Robert W. Heath Jr, Angel Lozano, Thomas L. Marzetta, Petar Popovski “Five Disruptive Technology Directions for 5G”, IEEE Commnucations Magazine, Fevereiro de 2014.
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Referências[5] 3GPP TR 36.932: “Scenarios and Requirements for Small Cell Enhancements for E-UTRA and E-UTRAN,” v. 0.2.0, Maio de 2013.
[6] China Mobile, “C-RAN Road Towards Green Radio Access Network,” C-RAN Int’l. Wksp., Beijing, Apr. 2010.
[7] T. Nakamura et al., “Trends in Small Cell Enhancements in LTE Advanced,” IEEE Commun. Mag., vol. 51, no. 2,Fevereiro de 2013, pp. 98–105.
[8] … and Luciano Mendes “Non-Orthogonal, Asynchronous Waveforms for Future Mobile Applications”, 5GNOW, IEEE Commun. Mag. Fevereiro de 2014.
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Referências[9] Zongjie Wang*, Shuju Fan*, Yun Rui., “CDMA-FMT: A Novel Multiple Access Scheme for 5G Wireless Communications.”, 19th DSP Internacional Conference, IEEE 2014.
[10] Yuya Saito, “Non-Orthogonal Multiple Access (NOMA)for Future Radio Access.”, IEEE June 2013.
[11] 2014_4GA Summary of Global 5G Initiatives_ FINAL, Junho 2014.
[12] Google.com
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5G RequesitosMaior Eficiencia Espectral[10]
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5G RequesitosMenor Consumo de Energia
“it is possible to reduce power down to orders in magnitude by offloading majority data to local small cells, let-ting inactive cells sleep.”[3].
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5G RequesitosMelhor Cobertura
Grande número de celulas pequenas.
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5G RequisitosMenor Custo, Mais Flexibilidade
(Boyd Bangerter, at IEEE Communications Magazine 2014) “In particular, 5G sys-tems will be able to create multiple virtual core networks tailored to the specialized require-ments of particular applications”.