An acceleration technique is developed that significantly improves the accuracy of a wide class of well-known numerical procedures for approximating the spectra of linear compact operators. A given ...
Recent results of M. Radjabalipour and H. Radjavi assert that the sum of a normal operator $N$ with spectrum on a smooth Jordan curve and a compact operator $K$ in ...
Spectrum is a range of electromagnetic frequencies that telecom operators use to transmit mobile calls, internet data, and other wireless services. These frequencies are divided into bands, each with ...
Telcos across the spectrum-those using GSM and CDMA technologies-have again locked horns, this time over comments by Ratan Tata that hoarding of spectrum by important players for free needs to be ...
https://www.thehindubusinessline.com/info-tech/5g-auctions-if-operators-dont-bid-on-700-mhz-spectrum-the-dot-may-consider-appointing-it-to-railways/article65561365 ...
AT&T, T-Mobile and Dish have all expressed views that there should be changes to the rules on how much spectrum one operator can own – but differ in their estimations of what’s fair. As reported by ...
NEC Corporation (NEC; TSE: 6701) today announced the global launch of its iPASOLINK 100A and 200A mobile backhaul and small cell solutions. These new 6-42Ghz frequency additions NEC’s comprehensive ...
The country's four mobile phone operators bought 190 megahertz (MHz) of spectrum for $1.23 billion or Tk 10,645 crore yesterday, a development that could alleviate customers' woes centring agonisingly ...