Method and apparatus for managing resource of cell-free massive multiple input multiple output network system, and storage medium storing instructions to perform method for managing resource of cell-free massive multiple input multiple output network system
AssigneeKorea Advanced Institute of Science and Technology
InventorsJeongseok Ha, Hyeonsik Yeom
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Abstract
There is provided a resource management method to be processed by a resource management apparatus in a cell-free massive MIMO network system. The method comprises receiving communication information from an access point; allocating transmission power information based on the communication information; setting scheduling information of the access point based on the transmission power information; receiving device data of a user terminal from the access point based on the scheduling information; and decoding the received device data.
Claims13
A resource management apparatus in a cell-free massive MIMO (Multi-Input Multi-Output) network system, the apparatus comprising:
- a transceiver configured to receive communication information from access points distributed on a fronthaul network of the cell-free massive MIMO network system;
- a memory configured to store one or more instructions;
- and
- a processor configured to execute the one or more instructions stored in the memory, wherein the instructions, when executed by the processor, cause the processor to:
- control the transceiver to allocate transmission power information based on the communication information;
- set access point scheduling information based on the transmission power information;
- and
- transmit the transmission power information and the access point scheduling information to the access points,
- wherein the processor is configured to receive data of a user terminal based on the access point scheduling information and to decode the received data,
- wherein the instructions include an algorithm for allocating the transmission power information and scheduling the access point scheduling information,
- wherein the processor is configured to implement the algorithm to allocate the transmission power information and set the access point scheduling information,
- wherein the processor is configured to calculate a lower bound on an Ergodic transmission rate without channel hardening through the algorithm, and allocate the transmission power information based on the calculated lower bound, and
- wherein the processor is configured to calculate an average ratio between a UatF (Use-and then Forget) lower bound and the lower bound of the Ergodic transmission rate.
A resource management method to be processed by a resource management apparatus in a cell-free massive MIMO (Multi-Input Multi-Output) network system, the method comprising:
- receiving communication information from an access point;
- allocating transmission power information based on the communication information;
- setting scheduling information of the access point based on the transmission power information;
- transmitting the transmission power information and scheduling information to the access point;
- receiving device data of a user terminal from the access point based on the scheduling information;
- and
- decoding the received device data,
- wherein the allocating of the transmission power information includes:
- calculating a lower bound on an Ergodic transmission rate without channel hardening;
- and
- allocating the transmission power information based on the calculated lower bound on the Ergodic transmission rate, and
- wherein the calculating of the lower bound on the Ergodic transmission rate includes calculating an average ratio between a UatF (Use-and then Forget) lower bound and the lower bound of the Ergodic transmission rate.
A non-transitory computer readable storage medium storing computer executable instructions, wherein the instructions, when executed by a processor, cause the processor to perform a resource management method, the method comprising:
- receiving communication information from an access point;
- allocating transmission power information based on the communication information;
- setting scheduling information of the access point based on the transmission power information;
- transmitting the transmission power information and scheduling information to the access point;
- receiving device data of a user terminal from the access point based on the scheduling information;
- and
- decoding the received device data,
- wherein the allocating of the transmission power information includes:
- calculating a lower bound on an Ergodic transmission rate without channel hardening;
- and
- allocating the transmission power information based on the calculated lower bound on the Ergodic transmission rate, and
- wherein the calculating of the lower bound on the Ergodic transmission rate includes calculating an average ratio between a UatF (Use-and then Forget) lower bound and the lower bound of the Ergodic transmission rate.
Dependencies are inferred from the claim text.