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Entries for 'monica.paolini'

In this paper, we compare two solutions available to mobile operators – passive DAS and active DAS – and discuss how they relate to traffic and capacity requirements, venue topologies, and manageability.

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In preparation for the C-RAN Working Group that I will be leading as part of RAN World conference in Cologne from September 29-30, I would like to ask you to fill in this survey.

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Mobile operators have to increase capacity to meet traffic loads that continue to grow. But they need to do so in a way that is cost efficient, that improves the performance and QoE, and to achieve this they also have to optimize their network performance using real-time data. 

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The interviews for the LTE unlicensed and Wi-Fi: moving beyond coexistence are now all available to watch here at RCR Wireless News

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China Mobile has been at the forefront of C-RAN deployments and has a compelling vision of the role of C-RAN in the evolution of mobile networks, culminating in 5G. We had an in-depth conversation with Chih-Lin I, Chief Scientist at China Mobile to talk about the present and future of C-RAN, in its multi-faceted implementations – centralized, collaborative, and cloud.

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Does the increase in efficiency justify the additional cost and complexity that LTE unlicensed deployments will require? We talked about these issues with Ziemowit Neyman, RAN Assistant Director, and Seppo Hämäläinen, RAN and SON Tools Assistant Director at Ooredoo, in Qatar. Like most operators, Ooredoo is closely watching what is happening in the LTE unlicensed space, and also exploring alternatives such as Wi-Fi, LWA, and TDD bands like the 3.5 GHz.

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Our latest report explores the opportunities that LTE unlicensed offers to mobile operators and how the technology can moving into the 5 GHz band where Wi-Fi dominates and has been an astounding success. Is the performance – and business case – of LTE unlicensed sufficiently better that mobile operators will be willing to roll out LTE unlicensed even though it will require new mobile devices? And what will the 5 GHz ecosystem, dominated by Wi-Fi users, enterprise, and service providers, will accept as fair coexistence from the LTE unlicensed proponents?

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Qualcomm Technologies (QTI) was one of the initial proponents of LTE unlicensed, along with vendors such as Ericsson and operators such as Verizon. LTE unlicensed fits well within QTI’ 1000x vision – preparing for a thousand-fold increase in mobile data usage. LTE-U complements parallel efforts to increase wireless capacity with small cells, shared access, and the multiple flavors of Wi Fi – residential, community, hotspot, enterprise, and carrier.

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Densification of the network infrastructure with small cells and Wi-Fi is one path that Alcatel-Lucent has pursued over recent years. With the newly announced Wireless Unified Networks, Alcatel-Lucent has moved two steps further, by adding what it calls Cellular Boost with LTE unlicensed, and adding Wi-Fi Boost by closely tying Wi-Fi and cellular transmission.

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Wi-Fi Alliance has an unmatched experience in managing the coexistence of multiple networks in unlicensed spectrum. Certification ensures that multiple Wi-Fi devices meet standards requirements and behave nicely toward each other. Wi-Fi Alliance is eager to use this experience to ensure a successful coexistence of Wi-Fi and LTE in the 5 GHz band, through a consensus-based process that includes all the stakeholders – service providers, users and enterprises.

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