Moumita has Published 175 Answers

The Bluetooth Radio Layer

Moumita

Moumita

Updated on 22-May-2020 11:51:06

The Bluetooth radio layer is the lowest layer of Bluetooth architecture that corresponds to the physical layer of the OSI model. It lays down the physical structure and specifications for the transmission of radio waves.The position of the radio layer depicted in the following diagram −Characteristic Features of Bluetooth Radio ... Read More

The Bluetooth Protocol Architecture

Moumita

Moumita

Updated on 22-May-2020 11:49:28

Bluetooth network technology connects mobile devices wirelessly over a short-range to form a personal area network (PAN). The Bluetooth architecture has its own independent model with a stack of protocols, instead of following the standard OSI model or TCP/IP model.The protocols in the Bluetooth standard can be loosely grouped into ... Read More

Adaptive Frequency Hopping

Moumita

Moumita

Updated on 22-May-2020 11:41:52

Bluetooth communication networks are prone to signal interferences in environments where other wireless networks coexist. The problem is aggravated when they use the same frequency bands. Bluetooth technology and IEEE 802.11 networks, like Wireless LANs (WLANs) and WiFi, operate in the same unlicensed 2.4 GHz ISM (Industrial, Scientific, and Medical) ... Read More

How to return a number of bits used to display one color on a window screen in JavaScript?

Moumita

Moumita

Updated on 20-May-2020 11:02:58

Use the screen.colorDepth property in JavaScript to return a number of bits used to display a color on the window screen.ExampleYou can try to run the following code to return the screen color depth in JavaScript.<!DOCTYPE html> <html>    <body>       <script>          document.write("Screen width: ... Read More

How to perform numeric sort in JavaScript?

Moumita

Moumita

Updated on 20-May-2020 09:32:30

To perform sorting in JavaScript, use the sort() function. You can try to run the following code sort numeric values.Example<!DOCTYPE html> <html>    <body>       <script>          var arr = [75, 20, 90, 9, 49, 32, 69, 66];          document.write("Initial Values: "+arr); ... Read More

How to display a string in the fixed-pitch font?

Moumita

Moumita

Updated on 20-May-2020 08:47:55

Use the JavaScript fixed() method to display in fixed-pitch font as if it were in a <tt> tag.ExampleYou can try to run the following code to display a string in the fixed-pitch font.<html>    <head>       <title>JavaScript String fixed() Method</title>    </head>    <body>       ... Read More

What is Bluetooth?

Moumita

Moumita

Updated on 27-Apr-2020 07:18:51

Bluetooth is a network technology that connects mobile devices wirelessly over a short-range to form a personal area network (PAN). They use short-wavelength, ultra-high frequency (UHF) radio waves within the range 2.400 to 2.485 GHz, instead of RS-232 data cables of wired PANs.Features of BluetoothBluetooth technology was released in 1999 ... Read More

The 802.16 MAC Sublayer Protocol

Moumita

Moumita

Updated on 27-Apr-2020 07:17:49

The IEEE 802.16 is a set of standards defining the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) that is responsible for the delivery of last-mile wireless broadband access. It lays down the standards for both physical layer as well as medium ... Read More

The 802.16 MAC Sublayer Frame Structure

Moumita

Moumita

Updated on 27-Apr-2020 07:15:44

The IEEE 802.16 set of standards lays down the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) that is responsible for the delivery of last-mile wireless broadband access.The IEEE 802.16 MAC sublayer is the most important sublayer and concerned with channel management. ... Read More

What is piconet?

Moumita

Moumita

Updated on 27-Apr-2020 07:13:52

A piconet is a small Bluetooth network that connects mobile devices wirelessly over a short range of 10m radius, using ultra-high frequency (UHF) radio waves, to form a personal area network (PAN).A piconet can be formed by at most 8 stations, one of which is the master node and the ... Read More

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