Method and device for wireless communication

Abstract

A method and device for wireless communication are provided. The method includes that: a terminal acquires, from first carriers of a cell, operating parameters of second carriers of the cell, the frequency band where the first carriers are located being different from the frequency band where the second carriers are located; the terminal measures the second carriers of the cell according to the operating parameters of the second carriers of the cell to obtain measurement results for the second carriers of the cell; the terminal determines a target carrier from the second carriers of the cell; the terminal communicates with a base station through the target carrier.

1 . A method for wireless communication, comprising:
 acquiring, by a terminal, operating parameters of second carriers of a cell from a first carrier of the cell, a frequency band where the first carrier is located being different from frequency bands where the second carriers are located;   measuring, by the terminal, the second carriers of the cell according to the operating parameters of the second carriers of the cell to obtain measurement results for the second carriers of the cell;   determining, by the terminal, a target carrier from the second carriers of the cell; and   communicating, by the terminal, with a base station through the target carrier.   
     
     
         2 . The method of  claim 1 , wherein determining, by the terminal, the target carrier from the second carriers of the cell comprises:
 sending, by the terminal, the measurement results for the second carriers of the cell to the base station;   receiving, by the terminal, first indication information sent by the base station, wherein the first indication information is configured for indicating the target carrier and the target carrier is determined for the terminal by the base station based on the measurement results for the second carriers of the cell; and   determining, by the terminal, the target carrier from the second carriers of the cell according to the first indication information.   
     
     
         3 . The method of  claim 2 , further comprising:
 sending, by the terminal, second indication information to the base station, to enable the base station to perform mobile management on the terminal based on the second indication information and update the target carrier, wherein the second indication information comprises at least one of position information of the terminal, a measurement result of the terminal for a Reference Signal (RS) of a target port or mobile velocity information of the terminal.   
     
     
         4 . The method of  claim 1 , wherein determining, by the terminal, the target carrier from the second carriers of the cell comprises:
 determining, by the terminal, the target carrier from the second carriers of the cell according to the measurement results for the second carriers of the cell.   
     
     
         5 . The method of  claim 4 , wherein the operating parameters of the second carriers comprise coverage ranges of the second carriers, and determining, by the terminal, the target carrier from the second carriers of the cell according to the measurement results for the second carriers of the cell comprises:
 determining, by the terminal, the target carrier from the second carriers of the cell according to the measurement results for the second carriers of the cell, position information of the terminal and the coverage ranges of the second carriers.   
     
     
         6 . The method of  claim 1 , wherein the frequency band for the first carrier of the cell is lower than the frequency bands for the second carriers of the cell. 
     
     
         7 . The method of  claim 1 , wherein the operating parameters of the second carriers of the cell are configuration parameters on RSs of the second carriers of the cell, and the measurement results for the second carriers of the cell are configured for indicating qualities of the RSs of the second carriers of the cell. 
     
     
         8 . A method for wireless communication, comprising:
 after a terminal acquires operating parameters of second carriers of a cell through a first carrier of the cell, receiving, by a base station, measurement results for the second carriers of the cell from the terminal;   determining, by the base station, a target carrier from the second carriers of the cell; and   sending, by the base station, first indication information to the terminal, the first indication information being configured for indicating the target carrier.   
     
     
         9 . The method of  claim 8 , further comprising:
 receiving, by the base station, second indication information sent by the terminal, wherein the second indication information comprises at least one of position information of the terminal, a measurement result of the terminal for a Reference Signal (RS) of a target port or mobile velocity information of the terminal; and   performing, by the base station, mobile management on the terminal based on the second indication information and updating the target carrier.   
     
     
         10 . The method of  claim 8 , wherein the frequency band for the first carrier of the cell is lower than the frequency bands for the second carriers of the cell. 
     
     
         11 . The method of  claim 8 , wherein the operating parameters of the second carriers of the cell are configuration parameters on RSs of the second carriers of the cell, and the measurement results for the second carriers of the cell are configured for indicating qualities of the RSs of the second carriers of the cell. 
     
     
         12 . A device for wireless communication, comprising: a memory and a processor, the memory storing one or more computer programs that, when executed by the processor, cause the processor to execute operations comprising:
 acquiring operating parameters of second carriers of a cell from a first carrier of the cell, a frequency band where the first carrier is located being different from frequency bands where the second carriers are located;   measuring the second carriers of the cell according to the operating parameters of the second carriers of the cell to obtain measurement results for the second carriers of the cell;   determining a target carrier from the second carriers of the cell; and   communicating with the base station through the target carrier.   
     
     
         13 . The device of  claim 12 , wherein the operations further comprise:
 sending the measurement results for the second carriers of the cell to the base station;   receiving first indication information sent by the base station, wherein the first indication information is configured for indicating the target carrier and the target carrier is determined for the terminal by the base station based on the measurement results for the second carriers of the cell; and   determining the target carrier from the second carriers of the cell according to the first indication information.   
     
     
         14 . The device of  claim 13 , wherein the operations further comprise:
 sending indication information to the base station, to enable the base station to perform mobile management on the terminal based on the second indication information and update the target carrier, wherein the second indication information comprises at least one of position information of the terminal, a measurement result of the terminal for a Reference Signal (RS) of a target port or mobile velocity information of the terminal.   
     
     
         15 . The device of  claim 12 , wherein the operations further comprise:
 determining the target carrier from the second carriers of the cell according to the measurement results for the second carriers of the cell.   
     
     
         16 . The device of  claim 15 , wherein the operating parameters of the second carriers comprise coverage ranges of the second carriers, and the operations further comprise:
 determining the target carrier from the second carriers of the cell according to the measurement results for the second carriers of the cell, position information of the terminal and the coverage ranges of the second carriers.   
     
     
         17 . The device of  claim 12 , wherein the frequency band for the first carrier of the cell is lower than the frequency bands for the second carriers of the cell. 
     
     
         18 . The device of  claim 12 , wherein the operating parameters of the second carriers of the cell are configuration parameters on RSs of the second carriers of the cell, and the measurement results for the second carriers of the cell are configured for indicating qualities of the RSs of the second carriers of the cell.