Resources Contact Us Home
Downscaling system bandwidth

Image Number 3 for United States Patent #8009782.

A larger second bandwidth is fitted to a first transmission bandwidth by blanking PRBs at one or both edges of the larger second bandwidth. A first set of control channels is mapped to unblanked PRBs of the second bandwidth using a restricted set of physical cell identities that map only to the unblanked PRBs. A second control channel is punctured so that after it is interleaved and cyclically shifted the punctured CCEs fall on the blanked PRBs, and this second control channel is power compensated for the punctured CCEs. The first set and the second control channels are assigned in view of the puncturing and blanked PRBs, an IFFT for the larger second bandwidth is performed on a signal using zeros at the blanked PRBs, the signal is filtered to the first bandwidth and transmitted over a bandwidth not to exceed the first bandwidth.

  Recently Added Patents
Polyamide compositions
Vehicle window opening and closing control device
Method and apparatus for connecting to external device
Method and system for coding an information signal using closed loop adaptive bit allocation
Elementary network description for efficient link between neuronal models and neuromorphic systems
Lock monitoring
Protection circuit, substrate for electro-optical device, electro-optical device, electrophoretic display device, electronic apparatus, and manufacturing method of electro-optical device
  Randomly Featured Patents
Print system, including a printer and printer controlling device which communicate via multiple communication channels
Universal wafer carrier for wafer level die burn-in
Methods for enhancing growth and maintenance of warm and cool season grasses
Multi-pole electromagnetic motor apparatus and method of assembling
Image recording device
System and method for automatic moderator delegation
Valve or tap with blocking device for the stopper
Portable fluid warming system
Phlebotomy system having retractable needle cannula
Variable chord-forming capotasto