Radio Network Node, Wireless Device and Methods Performed Therein for Handling Communication in a Wireless Communication Network

Abstract

Embodiments herein disclose e.g. a method performed by a wireless device (10) for handling communication for the wireless device in a second wireless communication network. The second wireless communication network coexists with a first wireless communication network on a same bandwidth in frequency, wherein the first wireless communication network applies a first shift in frequency in uplink transmissions. The wireless device receives from a radio network node (12,13), an indication indicating application of a second shift in frequency to uplink transmissions in case the second wireless communication network uses Frequency Division Duplex (FDD). The wireless device further applies the second shift in frequency to uplink transmissions, wherein the second shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the second wireless communication network or a shift in frequency to the subcarrier grid of the second wireless communication network.

1 . A method performed by a wireless device for handling communication for the wireless device in a wireless communication network, wherein the method comprises:
 receiving, from a radio network node, an indication indicating application of a shift in frequency to uplink transmissions; and   applying the shift in frequency to uplink transmissions transmitted by the wireless device, wherein the shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the wireless communication network or a shift in frequency to the subcarrier grid of the wireless communication network.   
     
     
         2 . The method according to  claim 1 , wherein the wireless communication network uses frequency division duplexing. 
     
     
         3 . A method performed by a radio network node for enabling communication for a wireless device in a wireless communication network, wherein the method comprises:
 transmitting, to the wireless device, an indication indicating application of a shift in frequency to uplink transmissions transmitted by the wireless device, wherein the shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the wireless communication network, or a shift in frequency to the subcarrier grid of the wireless communication network.   
     
     
         4 . The method according to  claim 3 , wherein the wireless communication network uses frequency division duplexing. 
     
     
         5 . The method according to  claim 3 , further comprising determining the shift to align the subcarrier grid for wireless communication network with a subcarrier grid for another wireless communication network, or align to subcarriers of the wireless communication network with subcarriers of another wireless communication network. 
     
     
         6 . A wireless device for handling communication for the wireless device in a wireless communication network, wherein the wireless device comprises processing circuitry configured to:
 receive, from a radio network node, an indication indicating application of a shift in frequency to uplink transmissions; and   apply the shift in frequency to uplink transmissions transmitted by the wireless device, wherein the shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the wireless communication network or a shift in frequency to the subcarrier grid of the wireless communication network.   
     
     
         7 . The wireless device according to  claim 6 , wherein wireless communication network uses frequency division duplexing.