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The way a device uses Bluetooth depends on its profile capabilities. The profiles provide standards that manufacturers follow to allow devices to use Bluetooth in the intended manner. For the Bluetooth Low Energy stack, according to Bluetooth 4.0 a special set of profiles applies.
The Google Earth User Guide [4] is an example of this format. The term guide is often applied to a document that addresses a specific aspect of a software product. Some usages are Installation Guide, Getting Started Guide, and various How to guides. An example is the Picasa Getting Started Guide. [5]
The CPU of the device is responsible for attending the instructions related to Bluetooth of the host device, in order to simplify its operation. To do this, the CPU runs software called Link Manager that has the function of communicating with other devices through the LMP protocol. A Bluetooth device is a short-range wireless device.
When Device A receives a response from Device B with NESN set to the value that Device A intends to use for SN in its next packet, Device A takes this to be an acknowledgement from Device B, confirming that it received the last transmitted packet correctly. Figure 5 shows this. Figure 5 - A successful exchange of Bluetooth packets at the link layer
The Bluetooth protocol RFCOMM is a simple set of transport protocols, made on top of the L2CAP protocol, providing emulated RS-232 serial ports (up to sixty simultaneous connections to a Bluetooth device at a time). The protocol is based on the ETSI standard TS 07.10.
A Bluetooth keyboard is a wireless keyboard that connects and communicates with its parent device via the Bluetooth protocol. These devices are widely used with portable devices such as smart phones and tablets, though they are also used with laptops and ultrabooks. Bluetooth keyboards became popular in 2011, coinciding with the popularity of ...
Recent models generally use Bluetooth 4.0 or even Bluetooth 5, and wireless speakers generally have a range of 10 meters. [4] Bluetooth devices use a radio communication frequency such that the devices do not have to be in a visual line of sight with each other. Some speakers may benefit from the NFC system to facilitate pairing with the source ...
Bluetooth Mesh is a computer mesh networking standard based on Bluetooth Low Energy that allows for many-to-many communication over Bluetooth radio. The Bluetooth Mesh specifications were defined in the Mesh Profile [ 1 ] and Mesh Model [ 2 ] specifications by the Bluetooth Special Interest Group (Bluetooth SIG).