Method and apparatus for extending coverage at THz frequency using cooperative communication
AssigneeKorea Advanced Institute of Science and Technology
InventorsJunil Choi, Hyesang Cho, Beomsoo Ko
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Abstract
Disclosed is a coverage extension method and apparatus in a terahertz (THz) region using cooperative communication. A coverage extension method in a THz region using cooperative communication performed by a computer device includes setting, by an access point (AP) in a downlink system that supports a plurality of user equipments (UEs), a UE that requires assistance due to a blocked line-of-sight (LoS) link as a destination UE and setting a remaining UE as a medium UE among the plurality of UEs; transmitting, by the AP, data to the medium UE; and cooperatively transmitting, by the medium UE, data to the destination UE.
Claims17
A coverage extension method in a terahertz (THz) region using cooperative communication performed by a computer device, the coverage extension method comprising:
- setting, by an access point (AP) in a downlink system that supports a plurality of user equipments (UEs), a UE that requires assistance due to a blocked line-of-sight (LoS) link as a destination UE and setting a remaining UE as a medium UE among the plurality of UEs;
- transmitting, by the AP, data to the medium UE;
- and
- cooperatively transmitting, by the medium UE, data to the destination UE,
- wherein the transmitting of the data to the medium UE comprises:
- splitting, by the AP, data requested by the medium UE into private data and a portion of common data;
- generating, by the AP, common data that includes information of the plurality of UEs by combining portions of the split common data of the medium UEs;
- encoding, by the AP, the private data to a private stream and encoding the common data to a common stream;
- and
- precoding, by the AP, the private stream and the common stream and transmitting a signal to the medium UE.
A coverage extension apparatus in a terahertz (THz) region using cooperative communication, the coverage extension apparatus comprising:
- a setter configured to set, in a downlink system that supports a plurality of user equipments (UEs), a UE that requires assistance due to a blocked line-of-sight (LoS) link as a destination UE and to set a remaining UE as a medium UE among the plurality of UEs;
- and
- a transmitter configured to transmit data to the medium UE,
- wherein the medium UE is configured to cooperatively transmit data to the destination UE, and
- wherein the transmitter comprises:
- a data splitter configured to split data requested by the medium UE into private data and a portion of common data;
- a common data combiner configured to generate common data that includes information of the plurality of UEs by combining portions of the split common data of the medium UEs;
- an encoder configured to encode the private data to a private stream and to encode the common data to a common stream;
- and
- a precoder configured to precode the private stream and the common stream and to transmit a signal to the medium UE.
A coverage extension apparatus in a terahertz (THz) region using cooperative communication, the coverage extension apparatus comprising:
- an access point (AP) configured to set, in a downlink system that supports a plurality of user equipments (UEs), a UE that requires assistance due to a blocked line-of-sight (LoS) link as a destination UE and to set a remaining UE as a medium UE among the plurality of UEs and then to transmit data to the medium UE;
- and
- the medium UE configured to cooperatively transmit data to the destination UE based on data received from the AP, wherein the AP comprises:
- a data splitter configured to split data requested by the medium UE into private data and a portion of common data;
- a common data combiner configured to generate common data that includes information of the plurality of UEs by combining portions of the split common data of the medium UEs;
- an encoder configured to encode the private data to a private stream and to encode the common data to a common stream;
- and
- a precoder configured to precode the private stream and the common stream and to transmit a signal to the medium UE.
Dependencies are inferred from the claim text.