METHOD FOR DESIGNING HIERARCHICAL STRUCTURE PRECODER IN VEHICLE-TO-VEHICLE COMMUNICATION SYSTEM, AND DEVICE THEREFOR
First Claim
1. A method of designing a hierarchical structure precoder by a user equipment (UE), the method comprising:
- receiving group information indicating a UE group based on a direction of a first type beam;
feeding back preference information on the first type beam based on the group information;
receiving information on the first type beam, determined based on the preference information;
designing the hierarchical structure precoder comprising a first precoder and a second precoder based on the received first type beam information; and
feeding back channel information based on the hierarchical structure precoder,wherein the first precoder is precoder information on the first type beam direction and the second precoder is precoder information on a direction of a second type beam in the direction of the first type beam.
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Abstract
The present specification relates to a method by which a terminal designs a hierarchical structure precoder in a vehicle-to-vehicle communication system. The method for designing a hierarchical structure precoder can comprise the steps of: receiving group information indicating a terminal group on the basis of a direction of a first-type beam; feeding back preference information on the first-type beam on the basis of the group information; receiving first-type beam information determined on the basis of the preference information; designing a hierarchical structure precoder including a first precoder and a second precoder, on the basis of the received first-type beam information; and feeding back channel information on the basis of the hierarchical structure precoder, wherein the first precoder can be precoder information on the first-type beam direction, and the second precoder can be precoder information on a second-type beam direction in the first-type beam direction.
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Citations
15 Claims
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1. A method of designing a hierarchical structure precoder by a user equipment (UE), the method comprising:
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receiving group information indicating a UE group based on a direction of a first type beam; feeding back preference information on the first type beam based on the group information; receiving information on the first type beam, determined based on the preference information; designing the hierarchical structure precoder comprising a first precoder and a second precoder based on the received first type beam information; and feeding back channel information based on the hierarchical structure precoder, wherein the first precoder is precoder information on the first type beam direction and the second precoder is precoder information on a direction of a second type beam in the direction of the first type beam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A user equipment (UE) for designing a hierarchical structure precoder, comprising:
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a reception module configured to receive information from an external device; a transmission module configured to transmit information to an external device; and a processor configured to control the reception module and the transmission module, wherein the processor receives group information indicating a UE group based on a direction of a first type beam using the reception module, feeds back preference information on the first type beam based on the group information using the transmission module, receives information on the first type beam, determined based on the preference information, using the reception module, designs the hierarchical structure precoder comprising a first precoder and a second precoder based on the received first type beam information, and feeds back channel information based on the hierarchical structure precoder using the transmission module; and wherein the first precoder is precoder information on the first type beam direction and the second precoder is precoder information on a direction of a second type beam in the direction of the first type beam.
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Specification