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Articles on Trending Technologies
Technical articles with clear explanations and examples
What is infrared transmission?
Infrared (IR) transmission is a wireless communication method that uses electromagnetic waves with frequencies ranging from 300 GHz to 400 THz (wavelengths from 1mm to 770 nm). IR transmission employs line-of-sight propagation, meaning the transmitter and receiver must have a clear, unobstructed path between them. A fundamental characteristic of infrared light is its inability to penetrate walls, which makes it naturally confined within rooms or enclosed spaces. This property provides inherent security benefits for indoor communications but limits its range to short-distance applications. Infrared Transmission Characteristics IR Device A ...
Read MoreSwitch Stacking Concept
In today's fast-paced and highly connected business environment, having a reliable and efficient network infrastructure is crucial for success. With the rise of cloud computing, big data, and the Internet of Things (IoT), businesses need to handle large amounts of traffic while maintaining high levels of performance. One technology that can help achieve this goal is switch stacking. Switch stacking is a networking technology where multiple network switches are connected together to form a single logical unit. Instead of managing each switch separately, they are managed as one entity. This allows for easier management and configuration, as well as ...
Read MoreDifference between LTE and VoLTE
We are evolving day by day in the way we use mobile technology. In this article, you will learn what terms like LTE and VoLTE mean, how these two technologies differ from each other, and which is the better one. What is LTE? LTE stands for Long Term Evolution and is commonly known as 4G. It provides high-speed internet connectivity on your mobile phone with faster data transfer rates compared to 3G networks. However, LTE has a significant limitation: when you receive a voice call while using data services, the internet connection stops or significantly slows down. ...
Read MoreWhat is the difference between SONET and DWDM?
Synchronous Optical Network (SONET) and Dense Wavelength Division Multiplexing (DWDM) are two fundamental technologies in optical networking, each serving different but complementary roles in modern telecommunications infrastructure. SONET (Synchronous Optical Network) SONET is a standardized digital communication protocol that transmits large volumes of data over long distances using fiber optic cables. It multiplexes multiple digital data streams simultaneously over optical fiber using LEDs and laser beams at precisely synchronized timing intervals. The key innovation of SONET lies in its frame structure. Unlike traditional packet networks where headers precede payloads, SONET defines headers as overhead that is interspersed ...
Read MoreThe Transport Layer in TCP/IP Model
The transport layer is responsible for error-free, end-to-end delivery of data from the source host to the destination host. It corresponds to the transport layer of the OSI model and serves as a critical interface between application processes and the underlying network infrastructure. The functions of the transport layer are − It facilitates the communicating hosts to carry on a conversation by establishing logical connections between applications. It provides an interface for the users to the underlying network, abstracting network complexity from applications. It can provide for a reliable connection and carries out error checking, flow control, ...
Read MoreIBOC Technology
IBOC technology, or In-Band On-Channel technology, is a digital broadcasting technology that allows radio stations to transmit both analog and digital signals simultaneously within the same frequency band. This hybrid approach enables a smooth transition from analog to digital radio while maintaining backward compatibility with existing analog receivers. IBOC operates by embedding digital audio data alongside the existing analog signal using advanced modulation techniques. The digital portion occupies unused spectrum space within the allocated channel, allowing stations to broadcast both formats without requiring additional spectrum allocation. IBOC Signal Structure ...
Read MoreAdvantages and Disadvantages of Hub
A hub is a basic networking device used to connect multiple devices in a network. It operates at the physical layer of the OSI model and functions as a multiport repeater, receiving data from one device and broadcasting it to all connected ports. Hubs use fiber optic or twisted pair cables and work in half-duplex mode, meaning data can only flow in one direction at a time. Hub Network Topology HUB PC1 PC2 PC3 ...
Read MoreDifference between Baidu Cloud and CloudMe
Cloud storage services have become essential for both personal and business use, offering convenient ways to store, sync, and share files across devices. Two notable services in this space are Baidu Cloud and CloudMe, each targeting different markets with distinct features and capabilities. Baidu Cloud Baidu Cloud is Baidu's comprehensive cloud service launched in March 2012. Officially named Baidu Wangpan, it is more commonly known as Baidu Cloud. As of December 2020, Baidu's monthly active users (MAU) reached 544 million, making it one of the most popular cloud storage platforms in China. Baidu ...
Read MoreWhat is ADSL?
ADSL stands for Asymmetric Digital Subscriber Line. It is a type of DSL (Digital Subscriber Line) technology that transmits data over existing copper telephone lines. Unlike Symmetric DSL (SDSL) which provides equal upload and download speeds, ADSL offers different maximum data rates for uploading and downloading data. The term "asymmetric" refers to the unequal bandwidth allocation, with significantly higher speeds for downstream (download) traffic compared to upstream (upload) traffic. This design suits most residential users who typically download more data than they upload. How ADSL Works ADSL uses Frequency Division Multiplexing (FDM) to separate voice and data ...
Read MorePower line communications (PLC)
Power Line Communications (PLC) is a technology that enables data transmission over the same electrical conductors used for delivering electrical power. This innovative approach eliminates the need for separate communication cables by utilizing existing power infrastructure. PLCs operate by adding a modulated carrier signal to the power line, which is achieved by superimposing high-frequency data signals over the low-frequency power signal. While electrical power typically transmits at 50-60 Hz, data signals operate in the MHz frequency range, allowing both to coexist without interference. Power Line Communications are also referred to as power line carrier, power line digital subscriber ...
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