Enabling support for transparent relays in wireless communication

A base station configured for wireless communication, comprising:

• a wireless communication interface configured for sending wireless signals to and receiving wireless signals from a set of user equipments (UEs) and a set of relay nodes associated with and located remotely from the base station;
• a memory unit for storing instructions configured to provide selective access point service for the set of UEs based on relative access channel measurements;
• and
• a data processor configured to execute modules to implement the instructions, the modules comprising:
• a distribution module configured to transmit an identifier (ID) and a transmission schedule for the set of UEs to the set of relay nodes transparently, with the set of UEs being unaware of the set of relay nodes;
• and
• a mediation module configured to select at least one of the set of relay nodes to serve the set of UEs based at least in part on UE signal measurements provided by the set of relay nodes and whether a signal to be transmitted comprises voice information, data information, and control information, a plurality of the set of relay nodes being selected to simultaneously provide wireless service to at least one UE of the set of UEs when the UE signal measurements for each of the plurality of the set of relay nodes is greater than a threshold;
• and
• an integration module configured to generate an incremental redundancy policy comprising an assignment of transmissions of the voice information, the data information, and the control information to the set of relay nodes, the incremental redundancy policy further comprising a correlation of the voice information, the data information, and the control information to the plurality of the set of relay nodes, the correlation specified for decoding, signal conditioning, and retransmitting to the set of UEs.

An apparatus for wireless communication, comprising:

• means for receiving, from a base station at a relay node, a set of user equipment (UE) identifiers (IDs) for a set of UEs served by the base station;
• means for obtaining, at the relay node, UE channel measurements based at least in part on the set of UE IDs and uplink (UL) scheduling information for the set of UEs, the UL scheduling information sent to the set of UEs and obtained by the relay node transparently;
• and
• means for receiving, from the base station at the relay node, an assignment to provide wireless service to a subset of the set of UEs based at least in part on the UE channel measurements and whether a signal to be transmitted comprises voice information, data information, and control information, the assignment selecting a plurality of relay nodes to simultaneously provide wireless service to at least one UE of the subset of UEs when the UE channel measurements for each of the plurality of relay nodes is greater than a threshold, the assignment being based on an incremental redundancy policy comprising a correlation of the voice information, the data information, and the control information to the plurality of relay nodes, the correlation specified for decoding, signal conditioning, and retransmitting to the subset of the set of UEs.

An apparatus for wireless communication, comprising:

• a memory;
• and
• at least one processor coupled to the memory, the at least one processor being configured:
• to receive, from a base station at a relay node, a set of user equipment (UE) identifiers (IDs) for a set of UEs served by the base station;
• to obtain, at the relay node, UE channel measurements based at least in part on the set of UE IDs and uplink (UL) scheduling information for the set of UEs, the UL scheduling information sent to the set of UEs and obtained by the relay node transparently;
• and
• to receive, from the base station at the relay node, an assignment to provide wireless service to a subset of the set of UEs based at least in part on the UE channel measurements and whether a signal to be transmitted comprises voice information, data information, and control information, the assignment selecting a plurality of relay nodes to simultaneously provide wireless service to at least one UE of the subset of UEs when the UE channel measurements for each of the plurality of relay nodes is greater than a threshold, the assignment being based at least in part on an incremental redundancy policy comprising a correlation of the voice information, the data information, and the control information to the plurality of relay nodes for decoding, signal conditioning, and retransmitting to the subset of the set of UEs.

A non-transitory computer-readable medium having non-transitory program code recorded thereon, the program code comprising:

• code to receive, from a base station at a relay node, a set of user equipment (UE) identifiers (IDs) for a set of UEs served by the base station;
• code to obtain, at the relay node, UE channel measurements based at least in part on the set of UE IDs and uplink (UL) scheduling information for the set of UEs, the UL scheduling information sent to the set of UEs and obtained by the relay node transparently;
• and
• code to receive, from the base station at the relay node, an assignment to provide wireless service to a subset of the set of UEs based at least in part on the UE channel measurements and whether a signal to be transmitted comprises voice information, data information, and control information, the assignment selecting a plurality of relay nodes to simultaneously provide wireless service to at least one UE of the subset of UEs when the UE channel measurements for each of the plurality of relay nodes is greater than a threshold, the assignment being based at least in part on an incremental redundancy policy comprising a correlation of the voice information, the data information, and the control information to the plurality of relay nodes, the correlation specified for decoding, signal conditioning, and retransmitting to the subset of the set of UEs.

A base station configured for wireless communication, comprising:

• a communication interface configured to send wireless signals to and receive wireless signals from a set of relay nodes and a set of user equipments (UEs);
• a memory unit for storing instructions configured to provide remote node-assisted wireless service for at least one of the set of UEs;
• and
• a data processor configured to execute modules that implement the instructions, the modules comprising:
• a scheduling module configured to generate a resource schedule for the set of UEs, the resource schedule allocating a set of wireless resources provided by the set of relay nodes to a plurality of transmissions of the set of UEs, the set of relay nodes being selected to simultaneously provide wireless service to at least one UE of the set of UEs based at least in part on UE channel measurements and whether a transmission comprises voice information, data information, and control information;
• a distribution module that transmits the resource schedule to the set of relay nodes transparently, with the set of UEs being unaware of the set of relay nodes;
• and
• an integration module configured to generate an incremental redundancy policy comprising an assignment of transmissions of the voice information, the data information, and the control information to the set of relay nodes, the incremental redundancy policy further comprising a correlation of the voice information, the data information, and the control information to the set of rely nodes, the correlation specified for decoding, signal conditioning, and retransmitting to the set of UEs.

An apparatus at a base station configured for wireless communication, comprising:

• means for sending wireless signals to and receiving wireless signals from a set of relay nodes and a set of user equipments (UEs);
• means for generating a resource schedule for the set of UEs, the resource schedule allocating a set of wireless resources provided by the set of relay nodes to a plurality of transmissions of the set of UEs, the set of relay nodes being selected to simultaneously provide wireless service to at least one UE of the set of UEs based at least in part on UE channel measurements and whether a transmission comprises voice information, data information, and control information;
• means for generating an incremental redundancy policy comprising an assignment of transmissions of the voice information, the data information, and the control information to the set of relay nodes, the redundancy policy further comprising a correlation of the voice information, the data information, and the control information to the set of relay nodes, the correlation specified for decoding, signal conditioning, and retransmitting to the set of UEs;
• and
• means for transmitting the resource schedule to the set of relay nodes transparently, with the set of UEs being unaware of the set of relay nodes.

A non-transitory computer-readable medium having non-transitory program code recorded thereon for a base station, the program code comprising:

• program code to send wireless signals to and receive wireless signals from a set of relay nodes and a set of user equipments (UEs);
• program code to generate a resource schedule for the set of UEs, the resource schedule allocating a set of wireless resources provided by the set of relay nodes to a plurality of transmissions of the set of UEs, the set of relay nodes being selected to simultaneously provide wireless service to at least one UE of the set of UEs based at least in part on UE channel measurements and whether a transmission comprises voice information, data information, and control information;
• program code to generate an incremental redundancy policy comprising an assignment of transmissions of the voice information, the data information, and the control information to the set of relay nodes, the incremental redundancy policy further comprising a correlation of the voice information, the data information, and the control information to the set of relay node, the correlation specified for decoding, signal conditioning, and retransmitting to the set of UEs;
• and
• program code to transmit the resource schedule to the set of relay nodes transparently, with the set of UEs being unaware of the set of relay nodes.

A method for wireless communication at a base station,

• comprising:
• sending wireless signals to and receiving wireless signals from a set of relay nodes and a set of user equipments (UEs);
• generating a resource schedule for the set of UEs, the resource schedule allocating a set of wireless resources provided by the set of relay nodes to a plurality of transmissions of the set of UEs, the set of relay nodes being selected to simultaneously provide wireless service to at least one UE of the set of UEs based at least in part on UE channel measurements and whether a transmission comprises voice information, data information, and control information;
• generating an incremental redundancy policy comprising an assignment of transmissions of the voice information, the data information, and the control information to the set of relay nodes, the incremental redundancy policy comprising a correlation of the voice information, the data information, and the control information to the set of relay nodes, the correlation specified for decoding, signal conditioning, and retransmitting to the set of UEs;
• and
• transmitting the resource schedule to the set of relay nodes transparently, with the set of UEs being unaware of the set of relay nodes.