Control signaling optimization for LTE communications

A mobile device, comprising:

• at least one transceiver configurable to communicate via a long term evolution (LTE) network;
• one or more processors;
• and
• a storage device storing executable instructions that, when executed by the one or more processors, cause the mobile device to:
• decode a physical downlink control channel (PDCCH) on demand, based on PDCCH decode indicators received from the LTE network and indicating one or more LTE subframes in which to decode the PDCCH, and otherwise refrain from decoding the PDCCH for a first period of time;
• decode a physical downlink shared channel (PDSCH) received from the LTE network;
• acquire a first PDCCH decode indicator and a second PDCCH decode indicator from a payload portion of a single PDSCH communication;
• decode the PDCCH of a first LTE subframe for downlink control information (DCI) associated with a first application data type based on the first PDCCH decode indicator during the first period of time;
• decode the PDCCH of a second LTE subframe or a group of LTE subframes for DCI associated with a second application data type based on the second PDCCH decode indicator during the first period of time,
• wherein:
• the first PDCCH decode indicator indicates the first LTE subframe where the mobile device is required to decode the PDCCH for downlink control information (DCI) associated with downlink (DL) resource assignments for low bandwidth periodic application data, and
• the second PDCCH decode indicator indicates either the second LTE subframe or the group of LTE subframes where the mobile device is required to decode the PDCCH for DCI associated with DL resource assignments for high bandwidth best effort (BE) application data;
• and
• decode the PDCCH periodically for voice over LTE (VoLTE) data resource allocations at one or more reserved LTE subframe locations during an ON duration of a connected mode discontinuous reception (C-DRX) cycle in accordance with a semi-persistent scheduling (SPS) periodicity of the VoLTE data during a second period of time with PDCCH decoding otherwise disabled.

A non-transitory computer-readable medium storing executable instructions that, when executed by one or more processors of a network apparatus of a Long Term Evolution (LTE) network, cause the network apparatus to:

• configure a mobile device to decode a physical downlink control channel (PDCCH) on demand, based on PDCCH decode indicators that indicate one or more LTE subframes in which to decode the PDCCH, and otherwise refrain from decoding the PDCCH for a first period of time;
• identify a plurality of application data types being communicated by the mobile device within the LTE network;
• generate a first PDCCH decode indicator for a first application data type of the plurality of application data types, the first application data type corresponding to low bandwidth periodic application data;
• generate a second PDCCH decode indicator for a second application data type of the plurality of application data types, the second application data type corresponding to high bandwidth best effort (BE) application data;
• send the first PDCCH decode and the second PDCCH decode indicator to the mobile device within a payload of a single physical downlink shared channel (PDSCH) communication during the first period of time,
• wherein:
• the first PDCCH decode indicator indicates a first LTE subframe where the mobile device is required to decode the PDCCH for downlink control information (DCI) associated with downlink (DL) resource assignments for the low bandwidth periodic application data, and
• the second PDCCH decode indicator indicates either a second LTE subframe or a group of LTE subframes where the mobile device is required to decode the PDCCH for DCI associated with DL resource assignments for the high bandwidth BE application data;
• and
• configure the mobile device to decode the PDCCH periodically for voice over LTE (VoLTE) data resource allocations at one or more reserved subframe locations during an ON duration of a connected mode discontinuous reception (C-DRX) cycle in accordance with a semi-persistent scheduling (SPS) periodicity of the VoLTE data during a second period of time with PDCCH decoding otherwise disabled.