3G Spectrum and Broad band Wireless Access spectrum

It's boom times for mobile phones in India.And people are looking forward to more information ,faster data access and multimedia services through their mobile phones.3G technology turn this dream into reality.Spectrum refers to a range of frequencies.1G networks are analog.2G networks are digital.2G stands for second-generation wireless telephone technology.3G(third-generation) technology is used to enhance mobile phone standards.3G helps to simultaneously transfer both voice data( a telephone call) and non-voice data (such as downloading information,exchanging e-mail,and instant messaging.The highlight of 3G is video telephony.3G services will enable video broad cast and data-intensive services such as stock transactions ,e-learning and telemedicine through wireless communications.Japan was the first country to introduce 3G on a large commercial scale.In 2005 about 40 percent of subscribers used only 3G networks .It is expected that during 2006 the subscribers would move from 2G to 3g and upgrade to the next 3.5G level.
There are about 60 3G networks across 25 countries .on 19th march 9 players applied for 3G and 11 players applied for Broad band wireless access spectrum .Almost all leading private telecom companies including Bharti Air tel,Vodafone,Essar,Reliance communications and Tata Tele services have filed their applications for the 3G spectrum auction will be held next month (april 9th).similarly etisalat DB ,a joint venture between UAE-based Etisalat(Emirates Telecommunications corporation and swan telecom,will also be bidding for spectrum to offer adv--anced mobile services.
All the major players are likely to join the bidding that will begin on April 9.All the major players are likely to bid for pan- India licence.The Department of Telecommunications,which has fixed a reserve price of 3500 crore for pan-India spectrum ,is targeting over RS 20000 crore revenues from the 3G Spectrum auction.Similarly ,for the wireless broadband access(BWA or Wimax) spectrum 11 players- Tatacommunications,Qualcomm,Tikona,vodafone Essar and some other players submitted applications for BWA spectrum.
3G has successfully been introduced in Europe .But several issues like high licensing fees,high infrastructure hamper its growth.
4G technology stands to be the future standard of wireless devices.currently Japanese company NTT docomo and samsung are testing 4G communication