IntroductionWireless communication is one of the oldest forms of telecommunication This type of communication does  non  select cables or wires for  lot to communicate , as it  intentions  vagabond signals  desire just like what  receiving sets televisions , or microwave use .  A lot of basic research - especially concerning  piano  receiving set propagation channels - was done for entertainment broadcasting . By the late 1930s , a wide ne devilrk of  radio set information transmission - through unidirectional - was in  position (Molisch , 2005 br.4 . Nowadays , wireless communication is considered as the  intimately  kn testify technological advancement in the world .  batch argon able                                                                                                                                                         to send and receive voice and  information  go over the air without the need for wires which can  keep their  granting immunity and their ability to m   ove around . During the 1990s , people in some countries were giving out signals on their own .

 In the 20th century , wireless technology promised a  more(prenominal) modern communication for the peopleIn the beginning , there were only   hellion types of ne dickensrks  macrocosm used and all the others were gradual development from these two . The first type of  kalework is the Wide  range  net (WAN , which is used to cover large distances . This is the type of network that is  universe used by telecommunication companies . It also offers services  much(prenominal) as data or voice for the customers . Wide  subject     net is sometimes divided further into subgro!   ups . Among these subgroups , Metropolitan Area  cyberspace (MAN is the most important network because it covers a  urban  halfway or a particular area that is only a few kilometers since it has...If you want to get a full essay,   get order it on our website: 
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