Measurement Gap Configuration

Abstract

According to certain embodiments, disclosed is a method performed by a master node, MN, ( 160 A) for measurement gap configuration. The method may include operating in a dual connectivity, DC, configuration with a secondary node, SN, ( 160 B) and a wireless device ( 110 ). The method may further include configuring the wireless device ( 110 ) with a measurement gap configuration, wherein the measurement gap configuration allows the wireless device ( 110 ) to measure a first frequency range, FR 1 , and a second frequency range, FR 2.

What is claimed is: 
     
         1 . A master node, MN, for measurement gap configuration, the MN comprising:
 interface circuitry; and   processing circuitry configured to:
 operate in a dual connectivity, DC, configuration with a secondary node, SN, and a wireless device; and 
 configure the wireless device with a first measurement gap configuration that allows the wireless device to measure a first frequency range, FR 1 , and with a second measurement gap configuration that allows the wireless device to measure a second frequency range, FR 2 . 
   
     
     
         2 . The MN of  claim 1 , wherein the processing circuitry is further configured to communicate to the SN that the SN does not have to setup the first measurement gap configuration or the second measurement gap configuration for the wireless device. 
     
     
         3 . The MN of  claim 1 , wherein the processing circuitry is further configured to communicate the first measurement gap configuration and/or the second measurement gap configuration to the SN. 
     
     
         4 . The MN of  claim 1 , wherein the processing circuitry is further configured to determine that the wireless device uses a separate radio frequency, RF, chain for FR 1  and FR 2 . 
     
     
         5 . The MN of  claim 1 , wherein the processing circuitry is further configured to change the first measurement gap configuration to a first new configuration and/or the second measurement gap configuration to a second new configuration, and is further configured to communicate the first new configuration and/or the second new configuration to the SN. 
     
     
         6 . The MN of  claim 1 , wherein the interface circuitry is further configured to receive a message from the SN, the message requesting that the MN modify at least one of the first measurement gap configuration and the second measurement gap configuration. 
     
     
         7 . The MN of  claim 1 , wherein the interface circuitry is further configured to receive a notification from the SN, the notification informing the MN that the SN added or removed a serving cell that is using one or more frequencies in FR 1  and/or FR 2 . 
     
     
         8 . A secondary node, SN, for measurement gap configuration, the SN comprising:
 processing circuitry configured to operate in a dual connectivity, DC, configuration with a master node, MN, and a wireless device; and   interface circuitry operably coupled to the processing circuitry, the interface circuitry configured to receive a message from the MN, the message associated with a configuration of at least one of a first measurement gap configuration for a first frequency range (FR 1 ) and a second measurement gap configuration for a second frequency range (FR 2 ) for the wireless device.   
     
     
         9 . The SN of  claim 8 , wherein the message indicates that the SN does not have to setup the measurement gap configuration for either FR 1  or FR 2  for the wireless device. 
     
     
         10 . The SN of  claim 8 , wherein the message indicates that the wireless device uses a separate radio frequency (RF) chain for FR 1  and FR 2 , and the interface circuitry is further configured to receive a notification from the MN that the SN is responsible for configuring the second measurement gap configuration for FR 2 . 
     
     
         11 . The SN of  claim 10 , wherein the interface circuitry is further configured to receive the first measurement gap configuration for FR 1  from the MN. 
     
     
         12 . The SN of  claim 8 , wherein the processing circuitry interface circuitry is further configured to change the second measurement gap configuration for FR 2  to a new configuration and the interface circuitry is further configured to communicate the new configuration to the MN. 
     
     
         13 . The SN of  claim 8 , wherein the interface circuitry is further configured to receive a message from the MN, the message indicating a new configuration of the wireless device, wherein the new configuration comprises at least one of a changed measurement gap configuration for FR 1  and a changed measurement gap configuration for FR 2 . 
     
     
         14 . A method performed by a master node, MN, for measurement gap configuration, the method comprising:
 operating in a dual connectivity, DC, configuration with a secondary node, SN, and a wireless device; and   configuring the wireless device with a first measurement gap configuration that allows the wireless device to measure a first frequency range, FR 1 , and with a second measurement gap configuration that allows the wireless device to measure a second frequency range, FR 2 .   
     
     
         15 . The method of  claim 14 , further comprising communicating to the SN that the SN does not have to setup the first measurement gap configuration or the second measurement gap configuration for the wireless device. 
     
     
         16 . The method of  claim 14 , further comprising communicating the first measurement gap configuration and/or the second measurement gap configuration to the SN. 
     
     
         17 . The method of  claim 14 , further comprising determining that the wireless device uses a separate radio frequency, RF, chain for FR 1  and FR 2 . 
     
     
         18 . The method of  claim 14 , further comprising changing the first measurement gap configuration to a first new configuration and/or the second measurement gap configuration to a second new configuration, and communicating the first new configuration and/or the second new configuration to the SN. 
     
     
         19 . The method of  claim 14 , further comprising receiving a message from the SN, the message requesting that the MN modify at least one of the first measurement gap configuration and the second measurement gap configuration. 
     
     
         20 . The method of  claim 14 , further comprising receiving a notification from the SN, the notification informing the MN that the SN added or removed a serving cell that is using one or more frequencies in FR 1  and/or FR 2 .