A wireless transmit/receive unit WTRU, comprising: circuitry configured to receive data over physical downlink shared channels from different cells; wherein the different cells include a plurality of cells having a first location but a different carrier frequency and at least one cell having a second location; wherein the second location is different than the first location; and characterized in that: the circuitry is further configured to monitor physical downlink control channels of a first cell for downlink control information associated with a radio network terminal identifier associated with the WTRU; wherein the downlink control information has first bits indicating resource assignment information for a physical downlink shared channel and has at least one bit indicating whether the physical downlink shared channel is associated with the first location or the second location; and the circuitry is further configured in response to the control information to recover data from the physical downlink control channel in response to the downlink control information; wherein the circuitry is further configured to continue monitoring the physical downlink control channels of the first cell after receiving the downlink control information. circuitry configured to receive data over physical downlink shared channels from different cells; wherein the different cells include a plurality of cells having a first location but a different carrier frequency and at least one cell having a second location; wherein the second location is different than the first location; and characterized in that: the circuitry is further configured to monitor physical downlink control channels of a first cell for downlink control information associated with a radio network terminal identifier associated with the WTRU; wherein the downlink control information has first bits indicating resource assignment information for a physical downlink shared channel and has at least one bit indicating whether the physical downlink shared channel is associated with the first location or the second location; and the circuitry is further configured in response to the control information to recover data from the physical downlink control channel in response to the downlink control information; wherein the circuitry is further configured to continue monitoring the physical downlink control channels of the first cell after receiving the downlink control information. the circuitry is further configured to monitor physical downlink control channels of a first cell for downlink control information associated with a radio network terminal identifier associated with the WTRU; wherein the downlink control information has first bits indicating resource assignment information for a physical downlink shared channel and has at least one bit indicating whether the physical downlink shared channel is associated with the first location or the second location; and the circuitry is further configured in response to the control information to recover data from the physical downlink control channel in response to the downlink control information; wherein the circuitry is further configured to continue monitoring the physical downlink control channels of the first cell after receiving the downlink control information.