Method and apparatus for providing zone based coooperation to user equipment (UE) in a wireless communication network

1. A method for allocating a resource by a base station using a plurality of beams in a wireless communication system, the method comprising:

determining a plurality of zones within a cell coverage of the base station, wherein the plurality of zones are zones in which an interference signal strength greater than a threshold is detected;

receiving channel state information (CSI) from a user equipment (UE);

identifying a first zone in which the UE has entered from the plurality of zones based on the CSI at a time domain, wherein the first zone is a zone in which a maximum interference signal strength is detected; and

allocating a plurality of resources for the first zone to the UE,

wherein when the UE is in a connected mode, setting a bit indicating an uplink resource for prediction information in a physical downlink control channel (PDCCH) or a dedicated common control channel, and

wherein the uplink resource includes at least one of geographical position values, a moving direction, a doppler shift, and the CSI.

2. The method of claim 1 , wherein identifying the first zone comprises:

setting an indicative bit in broadcast system information for the UE until the base station receives a CSI having a level greater than a predetermined level for a geographical area, the broadcast system information comprising the CSI and geographical information;

receiving, from the UE, a random access channel (RACH) message comprising the CSI and the geographical information;

quantizing CSI values based on averaged CSI for the geographical area; and

marking the first zone.

3. The method of claim 1 , further comprising:

receiving, from the UE, the prediction information;

deriving a root mean square error (RMSE) between the CSI available for the first zone and an instantaneous CSI based on the received prediction information;

checking if the RMSE is below a preset threshold or not; and

transmitting, to the UE, information indicating that the base station is ready to predict a zone transition, if the RMSE is below the preset threshold.

4. The method of claim 1 , wherein the plurality of resources are allocated with at least one other base station.

5. A base station for allocating a resource by the base station using a plurality of beams in a wireless communication, wherein the base station comprises:

a transceiver configured to receive channel state information (CSI) from the UE; and

a controller configured to:

determine a plurality of zones within a cell coverage of the base station, wherein the plurality of zones are zones in which an interference signal strength greater than a threshold is detected,

identify a first zone in which the UE has entered from the plurality of zones based on the CSI at a time domain, wherein the first zone is a zone in which a maximum interference signal strength is detected,

allocate a plurality of resources for the first zone to the UE, and

set a bit indicating an uplink resource for prediction information in a physical downlink control channel (PDCCH) or a dedicated common control channel when the UE is in a connected mode,

wherein the uplink resource includes at least one of geographical position values, a moving direction, a doppler shift, and the CSI.

6. The base station of claim 5 , wherein the controller is configured to:

set an indicative bit in broadcast system information for the UE to inform the UE until the base station receives a CSI having a level greater than a predetermined level for a geographical area, the broadcast system information comprising the CSI and geographical information;

quantize CSI values based on averaged CSI for the geographical area, if the transceiver is configured to receive a random access channel (RACH) message comprising the CSI and the geographical information, and

mark the first zone.

7. The base station of claim 5 , wherein:

when the transceiver is configured to receive, from the UE, the prediction information, the controller is configured to derive, by a root mean square error (RMSE) between the CSI available for the first zone and an instantaneous CSI based on the received prediction information,

check if the RMSE is below a preset threshold, and

control the transceiver to transmit to the UE, information indicating that the base station is ready to predict a zone transition, if the RMSE is below the preset threshold.

8. The base station of claim 5 ,

a plurality of resources are allocated with at least one other base station.

9. A method for receiving resource allocation information by a user equipment (UE) in a wireless communication system comprising a base station using a plurality of beams, the method comprising:

transmitting channel state information (CSI) to the base station; and

receiving, from the base station, the resource allocation information indicating a plurality of resources for a first zone to the UE when the UE enters the first zone among a plurality of zones within a cell coverage of the base station,

wherein the plurality of zones are zones in which an interference signal strength greater than a threshold is detected, and the first zone is a zone in which a maximum interference signal strength is detected,

wherein when the UE is in a connected mode, receiving a bit indicating an uplink resource for prediction information in a physical downlink control channel (PDCCH) or a dedicated common control channel, and

wherein the uplink resource includes at least one of geographical position values, a moving direction, a doppler shift, and the CSI.

10. The method of claim 9 , further comprising:

identifying an indicative bit set in broadcast system information, wherein the received CSI by the base station has a level greater than a predetermined level for a graphical area; and

transmitting to the base station a random access channel (RACH) message comprising the CSI and geographical information,

wherein the RACH message is used to quantize CSI values based on averaged CSI for a geographical area and to mark the first zone.

11. The method of claim 9 , further comprising:

transmitting, to the base station, the prediction information; and

receiving, from the base station, information indicating that the base station is ready to predict a zone transition, if a root mean square error (RMSE) between the CSI available for the first zone and an instantaneous CSI derived based on the prediction information, is below a preset threshold.

12. The method of claim 9 , wherein

the plurality of resources are allocated with at least one other base station.

13. A user equipment (UE) for allocating a resource by a base station using a plurality of beams in a wireless communication system, the UE comprising:

a transceiver configured to transmit channel state information (CSI) to the base station, and receive, from the base station, the resource allocation information indicating a plurality of resources for a first zone to the UE when the UE enters the first zone among a plurality of zones within a cell coverage of the base station,

wherein the plurality of zones are zones in which an interference signal strength greater than a threshold is detected, and the first zone is a zone in which a maximum interference signal strength is detected,

wherein when the UE is in a connected mode, the transceiver is further configured to receive a bit indicating an uplink resource for prediction information in a physical downlink control channel (PDCCH) or a dedicated common control channel, and

wherein the uplink resource includes at least one of geographical position values, a moving direction, a doppler shift, and the CSI.

14. The UE of claim 13 , wherein the controller is configured to identify an indicative bit set in broadcast system information, wherein the received CSI by the base station has a level greater than a predetermined level for a geographical area, and control the transceiver configured to transmit to the base station a random access channel (RACH) message comprising the CSI and geographical information,

wherein the RACH message is used to quantize CSI values based on averaged CSI for a geographical area and to mark the first zone.

15. The UE of claim 13 , wherein, the transceiver is further configured to:

transmit, to the base station, the prediction information, and receive information indicating that the base station is ready to predict a zone transition, if a root mean square error (RMSE) between the CSI available for the first zone and an instantaneous CSI derived based on the predication information is below a preset threshold.

16. The UE of claim 13 , wherein the plurality of resources are allocated with at least one other base station.