Autonomous fractional time reuse
AssigneeAirHop Communications, Inc.
InventorsHanson On, Fei Frank Zhou
Life of this patent
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Abstract
Autonomous fractional time reuse is provided. In some embodiments, autonomous fractional time reuse includes determining a number of neighboring base stations of a base station in a heterogeneous network; and pseudo randomly selecting one or more Fractional Time Reuse (FTR) slots for transmission by the base station. In some embodiments, the one or more FTR slots are autonomously selected by the base station without coordinating the selection of the one or more FTR slots with one or more of the neighboring base stations.
Claims30
A system, comprising:
- a processor of a base station configured to:
- determine a number of neighboring base stations of the base station in a heterogeneous network;
- select an FTR factor that is at least five times greater than an estimated average number of neighboring base stations in the heterogeneous network to provide for a greater number of FTR slots to meet the Quality of Service (QoS) requirements and reduce potential inter-cell interference;
- and
- pseudo randomly select one or more Fractional Time Reuse (FTR) slots for transmission by the base station;
- and
- a memory coupled to the processor and configured to provide the processor with instructions.
A method for a base station, comprising:
- determining a number of neighboring base stations of the base station in a heterogeneous network;
- selecting an FTR factor that is at least five times greater than an average number of neighboring base stations in the heterogeneous network to provide for a greater number of FTR slots to reduce potential inter-cell interference;
- and
- pseudo randomly selecting one or more Fractional Time Reuse (FTR) slots for transmission by the base station.
A computer program product for a base station, the computer program product being embodied in a tangible computer readable storage medium and comprising computer instructions for:
- determining a number of neighboring base stations of the base station in a heterogeneous network;
- selecting an FTR factor that is at least five times greater than an average number of neighboring base stations in the heterogeneous network to provide for a greater number of FTR slots to reduce potential inter-cell interference;
- and
- pseudo randomly selecting one or more Fractional Time Reuse (FTR) slots for transmission by the base station.
A system, comprising:
- a processor of a base station configured to:
- determine a number of neighboring base stations of the base station in a heterogeneous network;
- autonomously select an FTR factor {circumflex over (M)} using a pseudo random distribution model;
- compose the selected FTR factor and transmit subframe(s) into radio resource constraints;
- execute a MAC scheduler, wherein radio resource constraints are received at the MAC scheduler, and wherein the MAC scheduler only schedules m transmit subframes out of every {circumflex over (M)} subframes for each user equipment device with a predicted location in an overlapped cell coverage area;
- and
- pseudo randomly select one or more Fractional Time Reuse (FTR) slots for transmission by the base station;
- and
- a memory coupled to the processor and configured to provide the processor with instructions.
A method for a base station, comprising:
- determining a number of neighboring base stations of the base station in a heterogeneous network;
- autonomously selecting an FTR factor {circumflex over (M)} using a pseudo random distribution model;
- executing a MAC scheduler, wherein radio resource constraints are received at the MAC scheduler, and wherein the MAC scheduler only schedules m transmit subframes out of every {circumflex over (M)} subframes for each user equipment device with a predicted location in an overlapped cell coverage area;
- and
- pseudo randomly selecting one or more Fractional Time Reuse (FTR) slots for transmission by the base station.
A computer program product for a base station, the computer program product being embodied in a tangible computer readable storage medium and comprising computer instructions for:
- determining a number of neighboring base stations of the base station in a heterogeneous network;
- autonomously selecting an FTR factor {circumflex over (M)} using a pseudo random distribution model;
- executing a MAC scheduler, wherein radio resource constraints are received at the MAC scheduler, and wherein the MAC scheduler only schedules m transmit subframes out of every {circumflex over (M)} subframes for each user equipment device with a predicted location in an overlapped cell coverage area;
- and
- pseudo randomly selecting one or more Fractional Time Reuse (FTR) slots for transmission by the base station.
Dependencies are inferred from the claim text.