An apparatus of user equipment, UE (102, 200, 302), comprising: a transceiver configured to communicate with a mobility management entity, MME, through an evolved NodeB, eNB (104, 304); and processing circuitry configured to: configure the transceiver to transmit a request message to the eNB (104, 304) for the UE (102, 200, 302) to use a combination of a power saving mode, PSM, and an extended Discontinuous Reception, eDRX, mode; configure the transceiver to receive a response message to the request message from the eNB (104, 304) indicating the UE (102, 200, 302) to use, as a power reduction mode, a combination of the PSM and an eDRX mode having a modified eDRX cycle time; and configure the UE (102, 200, 302) to communicate with the eNB (104, 304) in accordance with the power reduction mode indicated in the response message, wherein: the request message comprises one of an Attach Request and a tracking area update, TAU, message, whereby the one of the Attach Request and TAU message contains Radio Resource Control, RRC, parameters including an active timer for PSM and eDRX parameter for indicating a time for an eDRX cycle. a transceiver configured to communicate with a mobility management entity, MME, through an evolved NodeB, eNB (104, 304); and processing circuitry configured to: configure the transceiver to transmit a request message to the eNB (104, 304) for the UE (102, 200, 302) to use a combination of a power saving mode, PSM, and an extended Discontinuous Reception, eDRX, mode; configure the transceiver to receive a response message to the request message from the eNB (104, 304) indicating the UE (102, 200, 302) to use, as a power reduction mode, a combination of the PSM and an eDRX mode having a modified eDRX cycle time; and configure the UE (102, 200, 302) to communicate with the eNB (104, 304) in accordance with the power reduction mode indicated in the response message, wherein: the request message comprises one of an Attach Request and a tracking area update, TAU, message, whereby the one of the Attach Request and TAU message contains Radio Resource Control, RRC, parameters including an active timer for PSM and eDRX parameter for indicating a time for an eDRX cycle. configure the transceiver to transmit a request message to the eNB (104, 304) for the UE (102, 200, 302) to use a combination of a power saving mode, PSM, and an extended Discontinuous Reception, eDRX, mode; configure the transceiver to receive a response message to the request message from the eNB (104, 304) indicating the UE (102, 200, 302) to use, as a power reduction mode, a combination of the PSM and an eDRX mode having a modified eDRX cycle time; and configure the UE (102, 200, 302) to communicate with the eNB (104, 304) in accordance with the power reduction mode indicated in the response message, wherein: the request message comprises one of an Attach Request and a tracking area update, TAU, message, whereby the one of the Attach Request and TAU message contains Radio Resource Control, RRC, parameters including an active timer for PSM and eDRX parameter for indicating a time for an eDRX cycle. the request message comprises one of an Attach Request and a tracking area update, TAU, message, whereby the one of the Attach Request and TAU message contains Radio Resource Control, RRC, parameters including an active timer for PSM and eDRX parameter for indicating a time for an eDRX cycle.