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Google project fi BY KANAV MANSOTRA
Project Fi is Google's cellular service that switches between Wi-Fi and cellular networks like 4G LTE and 3G without any user input. It uses a multi-IMSI SIM card that can connect to 10 networks simultaneously and a modified radio chip to seamlessly handoff between networks. Project Fi maintains its own core voice network to facilitate handoffs between providers. It aims to provide a low-cost cellular service in the US through network switching and costs $10 per GB of data used with no international roaming fees.
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Google project fi BY KANAV MANSOTRA
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- 2. Introduction. Project Fi isGoogle's program to provide fast and easy cellular service directly to phones. It actively switches between the networks without any user intervention. Project Fi also leans on Wi-Fi, and lets you both call and text when connected to a Wi-Fi network.
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- 5. How it works ProjectFi intelligentlyconnects youto the best network at your location whether it’s Wi-Fi ,4G LTE or3Gnetworks. It dynamicallydetermines based on several factors which network is better.
- 6. Network switching towifi Project Fi automatically switches its users from a cellular tower to a free Wi-Fi system with a signal strong enough to stream video andmusic, another effort to savepeople money. This could mean a smartphone willshift to aWi-Fi network downloading at 10 megabits, even if a cellular network is available at 30 megabits.
- 7. Factors in Determiningnetwork choice •Signal strength •Signal to noiseratio •Bandwidth availability •Channelavailability
- 8. TechnologyFunctioning InsideFi •Multi IMSISimCard •Seamless Handoff •Core voice network •Modified Radio Chip
- 9. MultiIMSI Sim Card TheInternational Mobile Subscriber Identity is used to identify the user of a cellular network and is a unique identification associated with all cellular networks. It is stored as a 64 bit field and is sent by the phone to the network. It is also used for acquiring other details of the mobile in the home location register (HLR) or as locally copied in the visitor location register.
- 10. MultiIMSI Sim Card Usuallythe sim card has onlyone IMSIno butin case of Project Fi sim card there can be10 differentIMSI nos. Thus it can connect to potentially 10 differentnetworks at a time.
- 11. Multi IMSI SimCard
- 12. Seamless Handoff As ProjectFi connects to 3 different kind of networks 1. 3G 2. 4G 3. Wi-Fi So it requires a lot of handoffs switching between these.
- 13. GoogleAS MVNO MVNO isMOBILE VIRTUAL NETWORK OPERATOR. MVNO resells the services from traditional operators. Google acts as MVNO for switching between different cellular networks .
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- 15. Googlecore voice network Ratherthan directly connectingto the service providerProject Fi maintains an active connectionwith Googlecore voice network. It’s the dutyof core voice network to successfully perform handoffproperly.
- 16. Modified Radio Chip ProjectFiUses Qualcomm Third GenerationLTE Chipsets that support LTE Advanced with LTE Carrier Aggregation with HSPA+as a core. The MDM9625 chipsets are Implementedin a 28nm manufacturingprocess, the chipsets will featuresignificantimprovements in performance and power consumptionfrom previous generations and provide support for multiplemobile broadband technologiesto deliver a best-in-classmobilebroadband experience for smartphones, tablets, ultra-portable notebooks, portable hotspots, dongles and CPEs (Customer PremisesEquipment).
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- 18. Availability. Project Fi iscurrently available inUnited Sates Of America onlyon a invite onlybasis. Googleplans to extend itto other countries too.
- 19. Subscription Plans. Project Fiis having a base fee of registration of $20 onlyand the costs only $10 perGB of data used. The international roaming in 120+countries and with noextra charges in this network. Cashback for unuseddata
- 20. Advantages 1. Cost Effective 2.Hassel Free 3. Futuristic 4. Seamless handoffs 5. Qualitative 6. secured
- 21. Disadvantages 1. Available onlyinUSA 2. Limited Offerings 3. Currently inbeta stage 4. Needsimprovement andflexibility
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- 23. Conclusion Project Fi iscertainly the first in awave of products to disrupt the traditional operator business models, and google willbe watching closely over the years to come to see how to change andimprove it over time.
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Editor's Notes
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