Skip to main content

4G Technology!!

4G also called as Fourth-Generation Communications System, is a term used to describe the next step in wireless communications. A 4G system can provide a comprehensive IP solution where voice, data and streamed multimedia can be provided to users on an "Anytime, Anywhere" basis. The data transfer rates are also much higher than previous generations.

The main objectives of 4G are:

1)4G will be a fully IP-based integrated system.

2)This will be capable of providing 100 Mbit/s and 1 Gbit/s speeds both indoors and outdoors.


3)It can provide premium quality and high security.

4)4G offer all types of services at an affordable cost.

4G is developed to provide high quality of service (QoS) and rate requirements set by forthcoming applications such as wireless broadband access, Multimedia Messaging, Video Chat, Mobile TV, High definition TV content, DVB, minimal service like voice and data, and other streaming services.


4G technology allow high-quality smooth video transmission. It will enable fast downloading of full-length songs or music pieces in real time.


The business and popularity of 4Gmobiles is predicted to be very vast. On an average, by 2009, this 4Gmobile market will be over $400B and it will dominate the wireless communications, and its converged system will replace most conventional wireless infrastructure.



Comments

Popular posts from this blog

Configuring Failover and Load Balancing with HAproxy using Keepalived

Network Scenario: LB1: 192.168.10.10 LB2: 192.168.10.11 Virtual IP: 192.168.10.12 APP_Server1: 192.168.10.20 APP_Server2: 192.168.10.21 Load Balancing: STEP 1 - Install HAProxy: HAProxy package is available under default yum repository for CentOS, Redhat systems. Use the following yum package manager command to install HAProxy on your system.   # yum install haproxy   STEP 2 - Configure HAProxy : Update your HAProxy configuration file /etc/haproxy/haproxy.cfg as per your requirement, You may also use below given configuration file as an example of setup and modify it. Keep the config file same of both servers i.e. LB1 and LB2.   ----------------------------------------------------------------------------------------------------------- global         log /dev/log    local0         log /dev/log    local1 notice     ...

ElasticSearch Clustering and Backups

ElasticSearch Installation: The version we want to install is 2.x (latest sub version of 2). First we have to install java on centOS machine with following command: sudo yum install java-1.8.0-openjdk.x86_64 Install Public Signing Key:   rpm --import https://packages.elastic.co/GPG-KEY-elasticsearch Create new repo in your /etc/yum.repos.d/ directory. For example I have created elasticsearch.repo here. /etc/yum.repos.d/elasticsearch.repo -------------------------------------------------------------------------------------------- [elasticsearch-2.x] name=Elasticsearch repository for 2.x packages baseurl=http://packages.elastic.co/elasticsearch/2.x/centos gpgcheck=1 gpgkey=http://packages.elastic.co/GPG-KEY-elasticsearch enabled=1 --------------------------------------------------------------------------------------------- Now Elasticsearch 2.x will avilable for installation using yum   yum install elasticsearch After installation enable the service a...

How to configure CentOS Firewalld

Introduction Firewalld is a complete firewall solution available by default on CentOS 7 servers. In this guide, we will cover how to set up a firewall for your server and show you the basics of managing the firewall with the firewall-cmd administrative tool. Basic Concepts in Firewalld Before we begin talking about how to actually use the firewall-cmd utility to manage your firewall configuration, we should get familiar with a few basic concepts that the tool introduces. Zones The firewalld daemon manages groups of rules using entities called "zones". Zones are basically sets of rules dictating what traffic should be allowed depending on the level of trust you have in the networks your computer is connected to. Network interfaces are assigned a zone to dictate the behavior that the firewall should allow. For computers that might move between networks frequently (like laptops), this kind of flexibility provides a good method of changing your ru...