Patent ID: 8009782
Filing Date: 2011-08-30
Classification: H04J,H04L

Abstract:
1. A method comprising: an apparatus fitting a larger system bandwidth to a smaller transmission bandwidth by blanking Physical resource blocks at one or both edges of the larger system bandwidth; after fitting the larger system bandwidth, the apparatus mapping a first set of control channels to only unblanked physical resource blocks of the larger system bandwidth by using a restricted set of physical cell identities that map only to the unblanked physical resource blocks, in which each control channel of the first set maps in dependence on a physical cell identity; the apparatus transforming a signal to be transmitted using an inverse Fourier transform for the larger system bandwidth for which zeros are applied at the blanked physical resource blocks; the apparatus filtering the transformed signal to the smaller transmission bandwidth; and the apparatus transmitting the transformed and filtered signal over a bandwidth not to exceed the smaller transmission bandwidth.