METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL IN RELAY STATION
First Claim
1. A method of a Relay Station (RS) transmitting and receiving a signal in a wireless communication system including the RS, the method comprising:
- receiving frame configuration information about an RS frame from a Base Station (BS);
configuring a downlink (DL) access zone in which a signal is transmitted to a relay Mobile Station (MS) connected to the RS and a DL relay zone in which a signal is received from the BS in the RS frame on the basis of the frame configuration information;
comparing a time necessary to switch an operation from the DL access zone to the DL relay zone and a propagation delay time taken to receive the signal from the BS;
configuring some symbols of the DL access zone or the DL relay zone as a transition time according to a result of the comparison;
transmitting the signal to the relay MS in the DL access zone; and
receiving the signal from the BS in the DL relay zone.
1 Assignment
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Accused Products
Abstract
A method of a Relay Station (RS) transmitting and receiving a signal in a wireless communication system including the RS, comprising receiving frame configuration information about an RS frame from a Base Station (BS), configuring a downlink (DL) access zone in which a signal is transmitted to a relay Mobile Station (MS) connected to the RS and a DL relay zone in which a signal is received from the BS in the RS frame on the basis of the frame configuration information, comparing a time necessary to switch an operation from the DL access zone to the DL relay zone and a propagation delay time taken to receive the signal from the BS, configuring some symbols of the DL access zone or the DL relay zone as a transition time according to a result of the comparison, transmitting the signal to the relay MS in the DL access zone, and receiving the signal from the BS in the DL relay zone.
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Citations
18 Claims
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1. A method of a Relay Station (RS) transmitting and receiving a signal in a wireless communication system including the RS, the method comprising:
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receiving frame configuration information about an RS frame from a Base Station (BS); configuring a downlink (DL) access zone in which a signal is transmitted to a relay Mobile Station (MS) connected to the RS and a DL relay zone in which a signal is received from the BS in the RS frame on the basis of the frame configuration information; comparing a time necessary to switch an operation from the DL access zone to the DL relay zone and a propagation delay time taken to receive the signal from the BS; configuring some symbols of the DL access zone or the DL relay zone as a transition time according to a result of the comparison; transmitting the signal to the relay MS in the DL access zone; and receiving the signal from the BS in the DL relay zone. - View Dependent Claims (2, 3, 4, 5)
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6. A method of an RS transmitting and receiving a signal in a wireless communication system including the RS, the method comprising:
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receiving frame configuration information about an RS frame from a BS; configuring an uplink (UL) access zone in which a signal is received from a relay MS connected to the RS and an UL relay zone in which a signal is transmitted to the BS in the RS frame on the basis of the frame configuration information; receiving the signal from the relay MS in the UL access zone; and transmitting the signal to the BS in the UL relay zone, wherein the UL access zone is time-aligned with an UL access zone of a BS frame and then transmitted or transmitted before the UL access zone of the BS frame by a specific time interval. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A method of an RS transmitting and receiving a signal in a wireless communication system including the RS, the method comprising:
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receiving frame configuration information about an RS frame from a BS; configuring a frame, comprising a DL access zone in which a signal is transmitted to a relay MS connected to the RS, a DL relay zone in which a signal is received from the BS, an UL access zone in which a signal is received from the relay MS connected to the RS, and an UL relay zone in which a signal is transmitted to the BS, on the basis of the frame configuration information; configuring a transition time in the DL access zone or the UL relay zone; transmitting the signal in the DL access zone or the UL relay zone; and receiving the signal in the DL relay zone or the UL access zone. - View Dependent Claims (13, 14, 15)
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16. An RS, comprising:
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a Radio Frequency (RF) unit configured to transmit and receive a radio signal; and a processor connected to the RF unit, wherein the processor receives frame configuration information about an RS frame from a BS, configures a DL access zone in which a signal is transmitted to a relay MS connected to the RS and a DL relay zone in which a signal is received from the BS in an RS frame on the basis of the frame configuration information, compares a time necessary to switch an operation from the DL access zone to the DL relay zone and a propagation delay time taken to receive a signal from the BS, configures some symbols of the DL access zone or the DL relay zone as a transition time according to a result of the comparison, and transmits a signal to the relay MS in the DL access zone or receives a signal from the BS in the DL relay zone.
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17. An RS, comprising:
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an RF unit configured to transmit and receive a radio signal; and a processor connected to the RF unit, wherein the processor receives frame configuration information about an RS frame from a BS, configures an UL access zone in which a signal is received from a relay MS connected to the RS and an UL relay zone in which a signal is transmitted to the BS in the RS frame on the basis of the frame configuration information, and receives the signal from the relay MS in the UL access zone and transmits the signal to the BS in the UL relay zone, and the UL access zone is time-aligned with an UL access zone of a BS frame and then transmitted or transmitted before the UL access zone of the BS frame by a specific time interval.
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18. An RS, comprising:
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an RF unit configured to transmit and receive a radio signal; and a processor connected to the RF unit, wherein the processor receives frame configuration information about an RS frame from a BS, configures a frame, comprising a DL access zone in which a signal is transmitted to a relay MS connected to the RS, a DL relay zone in which a signal is received from the BS, an UL access zone in which a signal is received from the relay MS connected to the RS, and an UL relay zone in which a signal is transmitted to the BS, on the basis of the frame configuration information, configures a transition time in the DL access zone or the UL relay zone, transmits the signal in the DL access zone or the UL relay zone, and receives the signal in the DL relay zone or the UL access zone.
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Specification