2nd Article : Wireless Wizard

1 comments:

Ld Afyqa said...

This article is discussing about Wireless network. Wireless network technologies are either ad hoc or can be based on an infrastructure. Ad hoc wireless network is connected through any specific infrastructure or any central device operating for it like router. The wireless connections which operate via the use of solid infrastructure are equally faster but less expensive. Another type of wireless connections is called WAP or wireless access point. On a commercial level many WAP (Wireless Access Point)s are wrapped tighter and are connected to provide wireless signals to commercial areas. There is a major difference between ad hoc wireless connection and WAP (Wireless Access Point). WAP (Wireless Access Point) is a device which allows other wireless devices to connect and transfer signals. Ad hoc systems do not require any central point for operation. AD hoc systems are used for when a wireless signals are needed for smaller geographical area. Adhoc systems provide very fast transfer of data because they are faster than WAP (Wireless Access Point).
The benefits of Wireless are Wireless LAN systems can provide LAN users with access to real-time information anywhere in their organization in mobility. This mobility supports productivity and service opportunities not possible with wired networks.There are now thousands of universities, hotels and public places with public wireless connection. These free you from having to be at home or at work to access the Internet. Installing a wireless LAN system can be fast and easy and can eliminate the need to pull cable through walls and ceilings. Wireless can reduced cost-of-Ownership while the initial investment required for wireless LAN hardware can be higher than the cost of wired LAN hardware, overall installation expenses and life-cycle costs can be significantly lower. Long-term cost benefits are greatest in dynamic environments requiring frequent moves and changes. Wireless LAN systems also can be configured in a variety of topologies to meet the needs of specific applications and installations. Configurations are easily changed and range from peer-to-peer networks suitable for a small number of users to full infrastructure networks of thousands of users that enable roaming over a broad area.
The limitations of wireless are when the wireless signals are transferred they are blocked by the certain obstacles as walls, gates and human beings. The strength of wireless signals depends upon the location; if you’re closer to infrastructure you receive signals. For example if a wireless infrastructure is established in any university campus. Students spread throughout the campus can not access the signals because the strength of signals varies from location to location. In short whole university campus cannot be benefited from the single wireless connection. Wireless signals can be hindered by other electronic devices, the rate of frequency and the height from the ground. The fear of the unauthorized users is the biggest concern for people transferring sensitive information. The reason is that if your wireless internet connection is not secured using internet any unauthorized user can exploit the signals or even hack important information. The use of ad hoc wire less technology requires the use of very expensive personal digital devices or PDAs like black berry, palmtops, laptops and smart phones. The recent up gradation of wireless technologies also require you to improve your knowledge about how to make use of any wireless technology. Though wireless technology is very common but still it is an expensive way of remain connected. Wireless network is relatively less stable and efficient than a wired connection. It operates on the rule, the nearer the faster. Initial setup is complicated. Wireless connection requires the set up of stations. Stations are those transmission mediums which help the wireless system to operate.

22 November 2011 at 06:16