Tuesday, February 8, 2011

Importance of S BAND

The S-Band spectrum has been a bone of contention between terrestrial mobile phone service providers and backers of satellite mobile services for the last few years, according to letters exchanged by interested groups with agencies such as the Telecom Regulatory Authority of India and the Wireless Planning and Coordination Authority.
Terrestrial mobile phone operators have been insisting that the”2.5 -2.69 GHz band (S-Band) be fully preserved as an extension band for 3G services”. But advocates of satellite mobile services such as the Indian Space Research Organisation (ISRO) argue that S-Band is the only available spectrum in India to establish satellite mobile services.
Providers of services such as Wimax have at the same time sought the S-Band spectrum to propagate wireless broadband technology.
“Due to the lack of availability of spectrum in 2.1 GHz to meet India’s 3G requirements, it is important that the use of full 2.5 GHz to 2.69 GHz band as an extension band for 3G needs to be assured to have secure and predictable access to spectrum in order to provide social and economic advantages,” the Cellular Operators Association of India wrote in May 2008 as its recommendations for the National Frequency Allocation Plan 2008, which came into existence in 2009.source

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