Mobile industry supporters typically argue that new use of the 700-MHz band will be important for coverage reasons, as signals in that band propagate well, an ideal characteristic for rural mobile network coverage. That, in fact, is the importance of the Asia-Pacific Telecommunity band plan, based on use of 700 MHz frequencies.
The APT band plan has been designed to enable the most efficient use of available spectrum, dividing the band into contiguous blocks of frequencies that are as large as possible.
The TDD option includes 100 MHz of continuous spectrum, while the FDD option features two large blocks, one of 45 MHz for uplink transmission and the other for downlink transmission.
By the end of the current decade, some 40 percent of the population in the developing world will still lack internet access, the GSMA predicts.
Since more than 90 percent of the one billion new mobile subscribers forecast by 2020 will come from developing markets, where coverage in rural areas is key.
But high prices or regulation remain issues. In India, some believe prices for 700-MHz spectrum are so high not much of it actually will be sold.
More than 100 countries around the world have not moved to make the 700-MHz band available for use.
No comments:
Post a Comment