Patent ID: 9270428
Filing Date: 2016-02-23
CPC Classification: H04B,H04L

Claim Text:
1. A method for operating a secondary station in a network, the method comprising: in the secondary station: a controller performing the acts of: controlling a transceiver to receive transmissions from a first primary station controlling a first cell and to further receive transmissions from at least one second primary station controlling at least one respective second cell; selecting a first precoding matrix for the first cell from a first set of precoding matrices associated with the first cell; selecting a second precoding matrix for the second cell from a subset of precoding matrices associated with the second cell, the subset being dependent upon the first precoding matrix in accordance with a precoding scheme; determining a first and second indicator to identify the first and second precoding matrix respectively; and controlling the transceiver to transmit the first and second indicator; wherein an amount of data transmitted to transmit the second indicator is less than an amount of data transmitted to transmit the first indicator.