Method and apparatus for transmitting uplink signal in wireless communication system
First Claim
1. A transmission apparatus for receiving a plurality of uplink (UL) signals from a user equipment (UE) and transmitting the plurality of received UL signals to a base station (BS) in a wireless communication system, the transmission apparatus comprising:
- a plurality of reception antennas (Nrx,REP Rx antennas) configured to receive a plurality of UL signals from the UE;
a radio frequency (RF) repeater configured to amplify and map the plurality of received UL signals to at least one transmission antenna; and
a plurality of transmission antennas (Ntx,REP Tx antennas) configured to transmit the plurality of amplified UL signals to the BS,wherein the RF repeater is further configured to select M received UL signals from among Nrx,REP received UL signals which are received by the Nrx,REP Rx antennas, and map the M received UL signals to N Tx antennas from among the Ntx,REP Tx antennas,wherein if M is higher than N, the RF repeater is configured to perform grouping of the M received UL signals to N signal groups, where one of the N signal groups is respectively mapped to one of the N Tx antennas,wherein the N signal groups comprise a first signal group which includes relatively good-quality UL signals among the M received UL signals and a second signal group which includes relatively poor-quality UL signals among the M received UL signals, andwherein a number of UL signals belonging to the first signal group is less than a number of UL signals belonging to the second signal group.
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Accused Products
Abstract
A method and apparatus for transmitting an uplink signal in a wireless communication system are disclosed. A transmission apparatus for receiving an uplink (UL) signal from a user equipment (UE) and transmitting the received UL signal to a base station (BS) in a wireless communication system includes: a plurality of reception antennas configured to receive UL signals from the UE; a radio frequency (RF) repeater configured to amplify and map the received UL signals to at least one transmission antenna; and a plurality of transmission antennas configured to transmit the amplified UL signals to the BS, wherein the RF repeater is configured to select M received UL signals from among a plurality of received UL signals which are received in the plurality of reception antennas, and map the M received UL signals to N transmission antennas from among the plurality of transmission antennas, and the number of the reception antennas (Nrx,REP) is higher than the number of the transmission antennas (Ntx,REP), and N is the number of the transmission antennas which is used to transmit the M received UL signals.
10 Citations
12 Claims
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1. A transmission apparatus for receiving a plurality of uplink (UL) signals from a user equipment (UE) and transmitting the plurality of received UL signals to a base station (BS) in a wireless communication system, the transmission apparatus comprising:
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a plurality of reception antennas (Nrx,REP Rx antennas) configured to receive a plurality of UL signals from the UE; a radio frequency (RF) repeater configured to amplify and map the plurality of received UL signals to at least one transmission antenna; and a plurality of transmission antennas (Ntx,REP Tx antennas) configured to transmit the plurality of amplified UL signals to the BS, wherein the RF repeater is further configured to select M received UL signals from among Nrx,REP received UL signals which are received by the Nrx,REP Rx antennas, and map the M received UL signals to N Tx antennas from among the Ntx,REP Tx antennas, wherein if M is higher than N, the RF repeater is configured to perform grouping of the M received UL signals to N signal groups, where one of the N signal groups is respectively mapped to one of the N Tx antennas, wherein the N signal groups comprise a first signal group which includes relatively good-quality UL signals among the M received UL signals and a second signal group which includes relatively poor-quality UL signals among the M received UL signals, and wherein a number of UL signals belonging to the first signal group is less than a number of UL signals belonging to the second signal group. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for transmitting a plurality of uplink (UL) signals using a transmission apparatus including a radio frequency (RF) repeater and configured to receive the plurality of UL signals from a user equipment (UE) and transmit the plurality of received UL signals to a base station (BS) in a wireless communication system, the method comprising:
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receiving a plurality of UL signals from the UE through a plurality of reception antennas (Nrx,REP Rx antennas); and amplifying and mapping the plurality of received UL signals to at least one transmission antenna, wherein the mapping comprises; selecting M received UL signals from among Nrx,REP UL signals which are received by the Nrx,REP Rx antennas, and mapping the M received UL signals to N Tx antennas from among a plurality of transmission antennas (Ntx,REP Tx antennas), wherein if M is higher than N, the RF repeater is configured to perform grouping of the M received UL signals to N signal groups, where one of the N signal groups is respectively mapped to one of the N Tx antennas, wherein the N signal groups comprise a first signal group which includes relatively good-quality UL signals among the M received UL signals and a second signal group which includes relatively poor-quality UL signals among the M received UL signals, and wherein the number of UL signals belonging to the first signal group is less than the number of UL signals belonging to the second signal group. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification