Basics Of Wireless Network

Basics Of Wireless Network

Sumarry

The first commercially available radio and telephone system was put into service in 1946.several assigned channels were then transmitted and receive from antenna atop this power and any vehicle within range could attempt to seize one of those channels and complet a call .

There is two important characteristics of cellular systems contribute to their usefulness. The first is their controlled handoff as subscibers are driving out of one cell and into another, their mobile units, and telephone switching unit offices . second system were designed to locate particular subscribers by paging them in each of the cells.

The initial transmission technology used between the vehicle and the cell site was analog in nature , and known as advanced mobile phone system . communications between the cell site and the switch utilize transmission media such as microwave,copper pairs,and fiber optics.this search led to the development of the personal communication service (PCS) industry .

ABSTRAK

Many of the new potential operaters went bankrupt and never actually had a chance to use it , the decision was based on a beauty contest , a comparison of business cases , technology , and future plans , rather than the bidding process