Method and apparatus for antenna beam tracking in wireless cellular communication system
The present disclosure relates to a communication technique for fusing, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retailing, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. Disclosed are a method and an apparatus for communication between a transmission end and a receiving end in a communication environment to which analog beamforming is applied.
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, a first message including first information for configuring a parameter to be reported for selection of a base station beam and second information for configuring a triggering condition for a report of the parameter;
generating location information and movement information of the terminal based on the first information;
transmitting, to the base station, a second message including the location information and the movement information based on the second information; and
receiving, from the base station, a third message including information on the base station beam selected based on the location information and the movement information,
wherein the location information includes an amount of change in location of the terminal measured during a first time period and information on the first time period,
wherein the movement information includes an amount of change in movement of the terminal measured during a second time period and information on the second time period, and
wherein the base station beam corresponds to a predetermined path expected based on the amount of change in location and the amount of change in movement.
2. The method of claim 1 , wherein the location information includes a 3-dimensional coordinate for the amount of change in location, and
wherein the movement information includes information on an amount of change in direction, an amount of change in speed, an amount of change in acceleration, and an amount of change in angular acceleration of the terminal during the second time period.
3. The method of claim 1 , further comprising:
detecting a beam failure during communication with the base station; and
requesting a beam failure recovery on a resource corresponding to the base station beam.
4. The method of claim 1 , further comprising:
transmitting, before the receiving of the first message, information indicating that the terminal supports the report of the location information and the movement information,
wherein the second message is transmitted to the base station periodically or aperiodically according to the triggering condition based on the second information, and
wherein history information on a change of the base station beam is transmitted to a target base station for a handover of the terminal in case that the base station beam is changed according to a movement of the terminal during communication with the base station.
5. A terminal in a wireless communication system, the terminal comprising:
a transceiver configured to transmit or receive a signal; and
a controller coupled with the transceiver and configured to:
receive, from a base station, a first message including first information for configuring a parameter to be reported for selection of a base station beam and second information for configuring a triggering condition for a report of the parameter,
generate location information and movement information of the terminal based on the first information,
transmit, to the base station, a second message including the location information and the movement information based on the second information, and
receive, from the base station, a third message including information on the base station beam selected based on the location information and the movement information,
wherein the location information includes an amount of change in location of the terminal measured during a first time period and information on the first time period,
wherein the movement information includes an amount of change in movement of the terminal measured during a second time period and information on the second time period, and
wherein the base station beam corresponds to a predetermined path expected based on the amount of change in location and the amount of change in movement.
6. The terminal of claim 5 , wherein the location information includes a 3-dimensional coordinate for the amount of change in location, and
wherein the movement information includes information on an amount of change in direction, an amount of change in speed, an amount of change in acceleration, and an amount of change in angular acceleration of the terminal during the second time period.
7. The terminal of claim 5 , wherein the controller is further configured to:
detect a beam failure during communication with the base station; and
request a beam failure recovery on a resource corresponding to the base station beam.
8. The terminal of claim 5 , wherein the controller is configured to transmit, before the receiving of the first message, information indicating that the terminal supports the report of the location information and the movement information, and
wherein the second message is transmitted to the base station periodically or aperiodically according to the triggering condition based on the second information, and
wherein history information on the change of the base station beam is transmitted to a target base station for a handover of the terminal in case that the base station beam is changed according to a movement of the terminal during communication with the base station.
9. A method performed by a base station in a wireless communication system, the method comprising:
transmitting, to a terminal, a first message including first information for configuring a parameter to be reported for selection of a base station beam and second information for configuring a triggering condition for a report of the parameter;
receiving, from the terminal, a second message based on the second information, the second message including location information and movement information generated based on the first information;
selecting the base station beam for communicating with the terminal based on the location information and the movement information; and
transmitting, to the terminal, a third message including information on the selected base station beam,
wherein the location information includes an amount of change in location of the terminal measured during a first time period and information on the first time period,
wherein the movement information includes an amount of change in movement of the terminal measured during a second time period and information on the second time period, and
wherein the selected base station beam corresponds to a predetermined path expected based on the amount of change in location and the amount of change in movement.
10. The method of claim 9 , wherein the location information includes a 3-dimensional coordinate for the amount of change in location, and
wherein the movement information includes information on an amount of change in direction, an amount of change in speed, an amount of change in acceleration, and an amount of change in angular acceleration of the terminal during the second time period.
11. The method of claim 9 , further comprising:
receiving, from the terminal, a signal requesting a beam failure recovery on a resource corresponding to the selected base station beam based on a detection of a beam failure; and
receiving, before the transmitting of the first message, information indicating that the terminal supports the report of the location information and the movement information,
wherein the second message is received from the terminal periodically or aperiodically according to the triggering condition based on the second information, and
wherein history information on a change of the base station beam is transmitted to a target base station for a handover of the terminal in case that the base station beam is changed according to a movement of the terminal during communication with the terminal.
12. A base station in a wireless communication system, the base station comprising:
a transceiver configured to transmit or receive a signal; and
a controller coupled with the transceiver and configured to:
transmit, to a terminal, a first message including first information for configuring parameter to be reported for selection of a base station beam and second information for configuring a triggering condition for a report of the parameter,
receive, from the terminal, a second message based on the second information, the second message including location information and movement information generated based on the first information,
select the base station beam for communicating with the terminal based on the location information and the movement information, and
transmit, to the terminal, a third message including information on the selected base station beam,
wherein the location information includes an amount of change in location of the terminal measured during a first time period and information on the first time period,
wherein the movement information includes an amount of change in movement of the terminal measured during a second time period and information on the second time period, and
wherein the selected base station beam corresponds to a predetermined path expected based on the amount of change in location and the amount of change in movement.
13. The base station of claim 12 , wherein the location information includes a 3-dimensional coordinate for the amount of change in location, and
wherein the movement information includes information on an amount of change in direction, an amount of change in speed, an amount of change in acceleration, and an amount of change in angular acceleration of the terminal during the second time period.
14. The base station of claim 12 , wherein the controller is further configured to receive, from the terminal, a signal requesting a beam failure recovery on a resource corresponding to selected base station beam based on a detection of a beam failure.
15. The base station of claim 12 , wherein the controller is further configured to:
receive, before the transmitting of the first message, information indicating that the terminal supports the report of the location information and the movement information,
wherein the second message is received from the terminal periodically or aperiodically according to the triggering condition based on the second information, and
wherein transmit history information on a change of the base station beam is transmitted to a target base station for the handover of the terminal in case that the base station beam is changed according to a movement of the terminal during communication with the terminal.