WHAT IS WIRELESS ? The word wireless is dictionary defined “having no wires ” . In networking terminology , wireless is the term used to describe any computer network where there is no physical wired connection between sender and receiver, but rather the network is connected by radio waves and or microwaves to maintain communications.Top Nigeria Technology website to Read Tech News.
1G TECHNOLOGY : 1G refers to the first generation of wireless telephone technology, mobile telecommunications which was first introduced in 1980s and completed in early 1990s. It’s Speed was upto 2.4kbps. It allows the voice calls in 1 country. 1G network use Analog Signal. AMPS was first launched in USA in 1G mobile systems.
DRAWBACKS OF 1G Poor Voice Quality Poor Battery Life Large Phone Size No Security Limited Capacity Poor Handoff Reliability 1G Wireless System
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2G TECHNOLOGY : 2G technology refers to the 2nd generation which is based on GSM. It was launched in Finland in the year 1991. 2G network use digital signals. It’s data speed was upto 64kbps. Features Includes: It enables services such as text messages, picture messages and MMS (multi media message). It provides better quality and capacity .
DRAWBACKS OF 2G : 2G requires strong digital signals to help mobile phones work. If there is no network coverage in any specific area , digital signals would weak. These systems are unable to handle complex data such as Videos.
2.5G TECHNOLOGY: 2.5G is a technology between the second (2G) and third (3G) generation of mobile telephony. 2.5G is sometimes described as 2G Cellular Technology combined with GPRS. Features Includes: Phone Calls , Send/Receive E-mail Messages, Web Browsing , Speed : 64-144 kbps , Camera Phones , Take a time of 6-9 mins. to download a 3 mins.
3G TECHNOLOGY: 3G technology refer to third generation which was introduced in year 2000s. Data Transmission speed increased from 144kbps- 2Mbps. Typically called Smart Phones and features increased its bandwidth and data transfer rates to accommodate web-based applications and audio and video files.
FEATURES OF 3G TECHNOLOGY: Providing Faster Communication , Send/Receive Large Email Messages High Speed Web / More Security Video Conferencing / 3D Gaming, TV Streaming/ Mobile TV/ Phone Calls, Large Capacities and Broadband Capabilities, 11 sec – 1.5 min. time to download a 3 min Mp3 song.
DRAWBACKS OF 3G TECHNOLOGY: Expensive fees for 3G Licenses Services, It was challenge to build the infrastructure for 3G , High Bandwidth Requirement, Expensive 3G Phones.
4G TECHNOLOGY (Anytime ,Anywhere): 4G technology refer to or short name of fourth Generation which was started from late 2000s. Capable of providing 100Mbps – 1Gbps speed. One of the basic term used to describe 4G is MAGIC. MAGIC: Mobile Multimedia Anytime Anywhere Global Mobility Support Integrated Wireless Solution Customized Personal Services Also known as Mobile Broadband Everywhere.
(Anytime, Anywhere) The next generations of wireless technology that promises higher data rates and expanded multimedia services. Capable to provide speed 100Mbps-1Gbps. High QOS and High Security Provide any kind of service at any time as per user requirements, anywhere. Features Include: More Security , High Speed, High Capacity, Low Cost Per-bit etc.
DRAWBACKS OF 4G: Battery uses is more Hard to implement Need complicated hardware Expensive equipment required to implement next generation network.
COMPARISON BETWEEN 3G Vs 4G: The basic difference between 3G and 4G is in data transfer and signal quality. 3G 4G Data Transfer Rate 3.1 MB/sec 100 MB/sec Internet Services Broadband Ultra Broadband Low High Bandwidth 5-20 MHz 100MHz Frequency 1.6-2 GHz 2-8 GHz Download and upload 5.8 Mbps 14 Mbps Technology Mobile – TV Resolution
Countries Have 4-G Except for the Scandinavian Countries (Northern Europe that includes Denmark and two of the nations of Scandinavian , Norway and Sweden. ), a few countries have started the 4G commercially. In the US, Sprint Nextel and Others Germany , Spain, China , Japan and England are also using the 4G services and mobiles .
5G TECHNOLOGY: 5G technology refer to short name of fifth Generation which was started from late 2010s. Complete wireless communication with almost no limitations. It is highly supportable to WWWW (Wireless World Wide Web).
BENEFITS OF 5G TECHNOLOGY: High Speed, High Capacity 5G technology providing large broadcasting of data in Gbps . Multi – Media Newspapers, watch T.V programs with the clarity as to that of an HD Quality. Faster data transmission that of the previous generations. Large Phone Memory, Dialing Speed, clarity in Audio/Video. Support interactive multimedia , voice, streaming video, Internet and other 5G is More Effective and More Attractive.
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