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Old April 22nd, 2010, 07:16 PM   #1 (permalink)
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Default Bluetooth 4.0

With bluetooth 4.0 being officailly released soon, will our phones bluetooth be upgraded?
It might be a stupid question, I just dont know if the upgrade is software based or a hardware upgrade?
From what I have read, it is very energy efficient and could be a big boost in battery life for those of us who use bluetooth frequently.

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Old April 22nd, 2010, 07:56 PM   #2 (permalink)
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If it's a SW only upgrade, then it's possible...however, Google has shown precious little interest in bluetooth, we still don't have BT dialing, so I'm not going to hold my breath.
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Old April 22nd, 2010, 08:21 PM   #3 (permalink)
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I'm pretty sure that it's hardware based.....actually yea it definitely is.
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Old April 22nd, 2010, 08:25 PM   #4 (permalink)
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Default

It would have to be strictly hardware based... every version of bluetooth is faster than the former. That means that it is similar to upgrading your wireless between 811b/g/n.




Quote:
Originally Posted by Wikipedia
Bluetooth v4.0

On June 12, 2007, Nokia and Bluetooth SIG had announced that Wibree will be a part of the Bluetooth specification, as an ultra-low power Bluetooth technology.[26] .


On December 17, 2009, the Bluetooth SIG adopted Bluetooth low energy technology as the hallmark feature of the version 4.0.[27] The provisional names Wibree and Bluetooth ULP (Ultra Low Power) are abandoned.


On April 21, 2010, the Bluetooth SIG completed the Bluetooth Core Specification version 4.0, which indludes Classic Bluetooth, Bluetooth high speed and Bluetooth low energy protocols. Bluetooth high speed is based on Wi-Fi, and Classic Bluetooth consists of legacy Bluetooth protocols.
Quote:
Bluetooth low energy

Main article: Bluetooth low energy
Bluetooth low energy is a recent enhancement that allows two types of implementation, dual-mode and single-mode. In a dual-mode implementation, Bluetooth low energy functionality is integrated into an existing Classic Bluetooth controller. The resulting architecture shares much of Classic Bluetooth’s existing radio and functionality resulting in a minimal cost increase compared to Classic Bluetooth. Additionally, manufacturers can use current Classic Bluetooth (Bluetooth V2.1 + EDR or Bluetooth V3.0 + HS) chips with the new low energy stack, enhancing the development of Classic Bluetooth enabled devices with new capabilities.
Single-mode chips, which will enable highly integrated and compact devices, will feature a lightweight Link Layer providing ultra-low power idle mode operation, simple device discovery, and reliable point-to-multipoint data transfer with advanced power-save and secure encrypted connections at the lowest possible cost. The Link Layer in these controllers will enable Internet connected sensors to schedule Bluetooth low energy traffic between Bluetooth transmissions.
Expected use cases for Bluetooth low energy technology include sports and fitness, security and proximity and smart energy. Bluetooth low energy technology is designed for devices to have a battery life of up to one year such as those powered by coin-cell batteries. These types of devices include watches that will utilize Bluetooth low energy technology to display Caller ID information and sports sensors that will be utilized to monitor the wearer's heart rate during exercise. The Medical Devices Working Group of the Bluetooth SIG is also creating a medical devices profile and associated protocols to enable Bluetooth applications for this vertical market.
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