Support for voice over flexible bandwidth carrier systems
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United States of America Patent
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Sep 16, 2014
Issued Date -
N/A
app pub date -
Dec 6, 2012
filing date -
Dec 9, 2011
priority date (Note) -
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Abstract
Methods, systems, and devices are disclosed for providing data, such as voice data for a voice service, over flexible bandwidth carriers. Some embodiments include support for 12.2 kbps and/or 7.95 kbps AMR CS voice over flexible bandwidth UMTS (F-UMTS) in particular. Some embodiments provide for keeping the information data rate for a flexible bandwidth carrier at least the same as that of a normal bandwidth carrier. For example, one voice frame may still be mapped to a 20 ms time window upon transmission, irrespective of a flexible bandwidth scaling factor N or chip rate divider Dcr in F-UMTS. The tools and techniques provided may be implemented on mobile devices and/or base stations. Flexible bandwidths carriers may utilize portions of spectrum that may be too big or too small to fit a normal bandwidth waveform for a normal bandwidth carrier.
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