Radio communication devices and methods for controlling a radio communication device

Abstract

A radio communication device may be provided. The radio communication device may include: a receiver configured to receive data using an antenna on a first carrier and a second carrier; an operation mode determination circuit configured to determine an active antenna operation mode based on information of the first carrier and information of the second carrier; and an antenna controller configured to control the antenna to operate in the determined active antenna operation mode.

What is claimed is: 
     
         1 . A radio communication device comprising:
 an operation mode determination circuit configured to determine an active antenna operation mode based on information of a first carrier and information of   a second carrier; and   a controller configured to control an antenna to operate in the determined active antenna operation mode.   
     
     
         2 . The radio communication device of  claim 1 ,
 wherein the information of the first carrier comprises at least one of an indicator indicating a communication quality using the first carrier, an indicator indicating a throughput using the first carrier, a Channel Quality Indicator of the first carrier, a signal-to-noise ratio of the first carrier, a number of retransmission on the first carrier, a bandwidth of the first carrier, a received signal strength indication of the first carrier, a received signal code power of the first carrier, and a block error rate of the first carrier; and   wherein the information of the second carrier comprises at least one of an indicator indicating a communication quality using the second carrier, an indicator indicating a throughput using the second carrier, a Channel Quality Indicator of the second carrier, a signal-to-noise ratio of the second carrier, a number of retransmission on the second carrier, a bandwidth of the second carrier, a received signal strength indication of the second carrier, a received signal code power of the second carrier, and a block error rate of the second carrier.   
     
     
         3 . The radio communication device of  claim 1 ,
 the radio communication device further comprising:   a control data quality determiner configured to determine a reception quality of control data transmitted by an antenna of the first carrier;   the operation mode determination circuit configured to determine the active antenna operation mode based on the first carrier if the reception quality of the control data is below a pre-determined threshold.   
     
     
         4 . The radio communication device of  claim 1 ,
 the operation mode determination circuit configured to determine an active antenna operation mode for a first antenna based on information of the a carrier;   the operation mode determination circuit configured to determine an active antenna operation mode for a second antenna based on information of a second carrier;   the controller configured to control the first antenna to operate in the determined first active antenna operation mode; and   the controller configured to control the second antenna to operate in the determined second active antenna operation mode.   
     
     
         5 . The radio communication device of  claim 1 ,
 the operation mode determination circuit configured to determine a first active antenna operation mode for a first antenna based on information of a first carrier;   the operation mode determination circuit configured to determine a second active antenna operation mode for a second antenna based on the determined first active antenna operation mode;   the controller configured to control the first antenna to operate in the determined first active antenna operation mode; and   the controller configured to control the second antenna to operate in the determined second active antenna operation mode.   
     
     
         6 . The radio communication device of  claim 1 ,
 the operation mode determination circuit configured to determine one of the information of the first carrier and the information of the second carrier as a carrier for operation mode determination; and   the operation mode determination circuit configured to determine the active antenna operation mode based on the information of the selected carrier for operation mode determination.   
     
     
         7 . A method for controlling a radio communication device, the method comprising:
 determining an active antenna operation mode based on information of a first carrier and information of a second carrier; and   controlling an antenna to operate in the determined active antenna operation mode.   
     
     
         8 . The method of  claim 7 ,
 wherein the information of the first carrier comprises at least one of an indicator indicating a communication quality using the first carrier, an indicator indicating a throughput using the first carrier, a Channel Quality Indicator of the first carrier, a signal-to-noise ratio of the first carrier, a number of retransmission on the first carrier, a bandwidth of the first carrier, a received signal strength indication of the first carrier, a received signal code power of the first carrier, and a block error rate of the first carrier; and   wherein the information of the second carrier comprises at least one of an indicator indicating a communication quality using the second carrier, an indicator indicating a throughput using the second carrier, a Channel Quality Indicator of the second carrier, a signal-to-noise ratio of the second carrier, a number of retransmission on the second carrier, a bandwidth of the second carrier, a received signal strength indication of the second carrier, a received signal code power of the second carrier, and a block error rate of the second carrier.   
     
     
         9 . The method of  claim 7 , further comprising:
 determining a reception quality of a control data transmitted on an antenna of the first carrier; and   determining the active antenna operation mode based on the first carrier if the reception quality of the control data is below a pre-determined threshold.   
     
     
         10 . The method of  claim 7 , further comprising:
 determining an active antenna operation mode for a first antenna based on information of the first carrier;   determining an active antenna operation mode for a second antenna based on information of the second carrier;   controlling the first antenna to operate in the determined first active antenna operation mode; and   controlling the second antenna to operate in the determined second active antenna operation mode.   
     
     
         11 . The method of  claim 7 , further comprising:
 determining an active antenna operation mode for a first antenna based on information of a first carrier;   determining an active antenna operation mode for a second antenna based on the determined first active antenna operation mode;   controlling the first antenna to operate in the determined first active antenna operation mode; and   controlling the second antenna to operate in the determined second active antenna operation mode.