Patent ID: 8711731

Claim:
A method for use by a serving base station, the method comprising: a) receiving a first radio resource control (RRC) message comprising a parameter indicating whether a wireless device supports an enhanced physical downlink control channel (ePDCCH)), said ePDCCH configured to carry scheduling information for a plurality of downlink packets and a plurality of uplink packets; b) transmitting, selectively and if said parameter indicates support of said ePDCCH, a second RRC message causing configuration of radio resources of a first ePDCCH comprising one or more sets of resource blocks in a subset of subframes in a plurality of subframes, said second RRC message indicating said subset of subframes in which said radio resources of said first ePDCCH are configured; c) making a handover decision for said wireless device; and d) transmitting to a target base station, in response to said handover decision, a third message comprising at least one of: said parameter indicating whether said wireless device supports said ePDCCH; and configuration information of said first ePDCCH.