Method for transmitting and receiving planar antenna based reference signal in wireless communication system and apparatus therefor
First Claim
1. A method for transmitting signals to a user equipment at a base station via a 2-dimensional planar antenna in a wireless communication system, comprising:
- generating a user equipment specific reference signal for the user equipment;
determining logical antenna ports for the user equipment specific reference signal corresponding to a first vertical sector in which the user equipment is located among a plurality of vertical sectors managed by the base station; and
transmitting the user equipment specific reference signal to the user equipment using the determined logical antenna ports,wherein the plurality of vertical sectors are cell coverage regions formed according to vertical direction beamforming of the 2-dimensional planar antenna,wherein the logical antenna ports corresponding to the first vertical sector are not overlapped with logical antenna ports for the user equipment specific reference signal corresponding to a second vertical sector among the plurality of vertical sectors,wherein same resource blocks are assigned to the first and second vertical sectors.
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Abstract
A method for transmitting signals to a user equipment at a base station in a wireless communication system is disclosed. The method includes generating a user equipment specific reference signal sequence for the user equipment, determining transmission resources for mapping the user equipment specific reference signal sequence, based on a vertical sector in which the user equipment is located, mapping the user equipment specific reference signal sequence to the determined transmission resources, and transmitting the user equipment specific reference signal sequence to the user equipment using a second-dimensional planar antenna.
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Citations
8 Claims
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1. A method for transmitting signals to a user equipment at a base station via a 2-dimensional planar antenna in a wireless communication system, comprising:
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generating a user equipment specific reference signal for the user equipment; determining logical antenna ports for the user equipment specific reference signal corresponding to a first vertical sector in which the user equipment is located among a plurality of vertical sectors managed by the base station; and transmitting the user equipment specific reference signal to the user equipment using the determined logical antenna ports, wherein the plurality of vertical sectors are cell coverage regions formed according to vertical direction beamforming of the 2-dimensional planar antenna, wherein the logical antenna ports corresponding to the first vertical sector are not overlapped with logical antenna ports for the user equipment specific reference signal corresponding to a second vertical sector among the plurality of vertical sectors, wherein same resource blocks are assigned to the first and second vertical sectors. - View Dependent Claims (2, 3)
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4. A method for receiving signals from a base station at a user equipment in a wireless communication system, comprising:
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receiving a user equipment specific reference signal transmitted via a 2-dimensional planar antenna from the base station using logical antenna ports for the user equipment specific reference signal corresponding to a first vertical sector in which the user equipment is located among a plurality of vertical sectors managed by the base station, wherein the plurality of vertical sectors are cell coverage regions formed according to vertical direction beamforming of the 2-dimensional planar antenna, wherein the logical antenna ports corresponding to the first vertical sector are not overlapped with logical antenna ports for the user equipment specific reference signal corresponding to a second vertical sector among the plurality of vertical sectors, wherein same resource blocks are assigned to the first and second vertical sectors. - View Dependent Claims (5, 6)
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7. A base station in a wireless communication system, comprising:
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a radio communication module for transmitting and receiving signals to and from a user equipment; and a processor for processing the signals, wherein the processor controls the radio communication module to generate a user equipment specific reference signal for the user equipment, determine logical antenna ports for the user equipment specific reference signal corresponding to a first vertical sector in which the user equipment is located among a plurality of vertical sectors managed by the base station, and transmit the user equipment specific reference signal to the user equipment using the determined logical antenna ports, wherein the plurality of vertical sectors are cell coverage regions formed according to vertical direction beamforming of the 2-dimensional planar antenna, wherein the logical antenna ports corresponding to the first vertical sector are not overlapped with logical antenna ports for the user equipment specific reference signal corresponding to a second vertical sector among the plurality of vertical sectors, wherein same resource blocks are assigned to the first and second vertical sectors.
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8. A user equipment in a wireless communication system, comprising:
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a radio communication module for transmitting and receiving signals to and from a base station; and a processor for processing the signals, wherein the processor controls the radio communication module to receive a user equipment specific reference signal transmitted via a 2-dimensional planar antenna from the base station using logical antenna ports for the user equipment specific reference signal corresponding to a first vertical sector in which the user equipment is located among a plurality of vertical sectors managed by the base station, wherein the plurality of vertical sectors are cell coverage regions formed according to vertical direction beamforming of the 2-dimensional planar antenna, wherein the logical antenna ports corresponding to the vertical sector are not overlapped with logical antenna ports for the user equipment specific reference signal corresponding to a second vertical sector among the plurality of vertical sectors, wherein same resource blocks are assigned to the first and second vertical sectors.
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Specification