Method and apparatus for transmitting and receiving reference signal in mobile communication system using beamforming
AssigneeSamsung Electronics Co., Ltd.
InventorJung-Soo Jung
Life of this patent
Estimating the term…
Abstract
A method for transmitting a reference signal by a Base Station (BS) in a mobile communication system using beamforming includes determining beamforming information for transmission of a Reference Signal (RS) Transmit (Tx) beam, wherein at least one of a Tx period and a beam width of the RS Tx beam is determined differently based on a size of Receive (Rx) areas in which a plurality of Tx beams are received in coverage of the BS; and transmitting the RS Tx beam to related Rx areas depending on the determined beamforming information.
Claims56
A method for transmitting a reference signal (RS) by a base station (BS) in a mobile communication system using beamforming, the method comprising:
- determining beamforming information for transmission of a RS transmit (Tx) beam which is used for identifying an optimal data Tx beam by a mobile station (MS), wherein the beamforming information includes at least one of a Tx period and a beam width of the RS Tx beam which is determined based on sizes of receive (Rx) areas corresponding to a plurality of data Tx beams transmitted in coverage of the BS;
- and
- transmitting at least one RS Tx beam to related Rx areas using the determined beamforming information,
- wherein at least one of the Tx period and the beam width of the RS Tx beam is determined separately from the at least one of the Tx period and the beam width of a data Tx beam which is transmitted to an Rx area where the RS TX beam is transmitted.
A method for receiving a reference signal (RS) from a base station (BS) by a mobile station (MS) in a mobile communication system using beamforming, the method comprising:
- acquiring beamforming information for transmission of a RS transmit (Tx) beam which is used for identifying an optimal data Tx beam by the MS, wherein the beamforming information includes at least one of a Tx period and a beam width of the RS Tx beam which is determined based on sizes of receive (Rx) areas corresponding to a plurality of data Tx beams transmitted in coverage of the BS;
- and
- receiving at least one RS Tx beam including the RS using the acquired beamforming information,
- wherein at least one of the Tx period and the beam width of the RS Tx beam is determined separately from the at least one of the Tx period and the beam width of a data Tx beam which is transmitted to an Rx area where the RS Tx beam is transmitted.
A base station (BS) for transmitting a reference signal (RS) in a mobile communication system using beamforming, the BS comprising:
- a transmitter configured to transmit a RS transmit (Tx) beam including the RS and a data Tx beam including data corresponding to the reference signal;
- and
- a controller configured to:
- determine beamforming information for transmission of the RS Tx beam which is used for identifying an optimal data Tx beam by a mobile station (MS), wherein the beamforming information includes at least one of a Tx period and a beam width of the RS Tx beam which is determined based on sizes of receive (Rx) areas corresponding to a plurality of data Tx beams transmitted in coverage of the BS, and
- control the transmitter to transmit at least one RS Tx beam to related Rx areas using the determined beamforming information,
- wherein at least one of the Tx period and the beam width of the RS Tx beam is determined separately from the at least one of the Tx period and the beam width of the data Tx beam which is transmitted to an Rx area where the RS Tx beam is transmitted.
A mobile station (MS) for receiving a reference signal (RS) from a base station (BS) in a mobile communication system using beamforming, the MS comprising:
- a receiver configured to receive, from the BS, beamforming information and a RS transmit (Tx) beam generated based on the beamforming information which is used for identifying an optimal data Tx beam by the MS, wherein the beamforming information includes at least one of a Tx period and a beam width of the RS Tx beam which is determined based on sizes of receive (Rx) areas corresponding to a plurality of data Tx beams transmitted in coverage of the BS;
- and
- a controller configured to control the receiver to receive at least one RS Tx beam including the RS using the received beamforming information,
- wherein at least one of the Tx period and the beam width of the RS Tx beam is determined separately from the at least one of the Tx period and the beam width of which is transmitted to an Rx area where the RS Tx beam is transmitted.
Dependencies are inferred from the claim text.