US2020267560A1PendingUtilityA1

Uplink and/or downlink signaling related to different radio access technologies

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Assignee: ERICSSON TELEFON AB L MPriority: Nov 10, 2015Filed: May 8, 2020Published: Aug 20, 2020
Est. expiryNov 10, 2035(~9.3 yrs left)· nominal 20-yr term from priority
Inventors:Robert BaldemairStefan ParkvallGunnar Mildh
H04W 72/0453H04W 88/06H04W 16/14H04W 72/1215H04W 36/00698H04W 72/04H04L 5/12H04L 27/2653H04W 28/20H04W 72/12H04W 36/0069
61
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Claims

Abstract

There is provided network units operating based on different radio access technologies and one or more associated wireless communication devices. In downlink, DL, a network unit of the first RAT is configured to transmit a DL carrier in a frequency channel of the first RAT that is higher than the frequency channel of the second RAT. Correspondingly, a wireless communication device is configured to receive and demodulate and/or decode the DL carrier of the first RAT. In the uplink, UL, the wireless communication device is configured to transmit an UL carrier of the first RAT in an UL frequency channel overlapping with the UL frequency channel of the second RAT. Correspondingly, the network unit is configured to receive and demodulate and/or decode the UL carrier of the first RAT.

Claims

exact text as granted — not AI-modified
1 . A wireless communication device for operating in a wireless communication system, the wireless communication device having an uplink (UL) carrier of a first radio access technology (RAT) and a downlink (DL) carrier of the first RAT, the wireless communication device comprising:
 a communication circuit;   memory; and   a processor associated with the memory, the processor is operable to:
 transmit the UL carrier of the first RAT in an uplink frequency channel overlapping with an uplink frequency channel of a second RAT via the communication circuit; and 
 receive and demodulate and/or decode the DL carrier of the first RAT in a frequency channel of the first RAT that is higher than a downlink frequency channel of the second RAT via the communication circuit. 
   
     
     
         2 . The wireless communication device of  claim 1 , wherein the wireless communication device is operable to transmit uplink control information in an UL control channel of the UL carrier of the first RAT in the uplink frequency channel overlapping with the uplink frequency channel of the second RAT. 
     
     
         3 . The wireless communication device of  claim 2 , wherein the uplink control information is related to the DL carrier. 
     
     
         4 . The wireless communication device of  claim 1 , wherein the first RAT is a 5G or NX RAT, and/or the second RAT is a RAT based on Long Term Evolution (LTE). 
     
     
         5 . The wireless communication device of  claim 1 , wherein the wireless communication device is operable to transmit the UL carrier of the first RAT in at least one specific part of the uplink frequency channel of the second RAT. 
     
     
         6 . The wireless communication device of  claim 5 , wherein the wireless communication device is operable to transmit the UL carrier of the first RAT in at least one guard band of the uplink frequency channel of the second RAT. 
     
     
         7 . The wireless communication device of  claim 5 , wherein the wireless communication device is operable to transmit the UL carrier of the first RAT in at least one dedicated part of the uplink frequency channel of the second RAT inside a transmission bandwidth of the frequency channel. 
     
     
         8 . The wireless communication device of  claim 5 , wherein the wireless communication device is operable to receive configuration information indicating the at least one specific part of the uplink frequency channel of the second RAT to enable configuration of the wireless communication device for transmission of the UL carrier of the first RAT in the at least one specific part of the frequency channel. 
     
     
         9 . The wireless communication device of  claim 1 , wherein the wireless communication device is also configured with a DL carrier and/or an UL carrier of the second RAT, based on Dual Connectivity or Multi-Connectivity procedures. 
     
     
         10 . The wireless communication device of  claim 1 , wherein the wireless communication device comprises the processor and the memory, said memory comprising instructions executable by the processor, whereby the processor is operative to enable the operation of the wireless communication device. 
     
     
         11 . A method of operating a wireless communication device in a wireless communication system, wherein the method comprises:
 receiving and demodulating and/or decoding downlink (DL) signaling in a DL carrier of a first radio access technology (RAT) in a frequency channel of the first RAT that is higher than a downlink frequency channel of a second RAT,   preparing uplink (UL) signaling for transmission in an UL carrier of the first RAT, and   transmitting the UL signaling in the UL carrier of the first RAT in an uplink frequency channel overlapping with an uplink frequency channel of the second RAT.   
     
     
         12 . The method of  claim 11 , wherein uplink control information is transmitted in an UL control channel of the UL carrier of the first RAT in the uplink frequency channel overlapping with the uplink frequency channel of the second RAT. 
     
     
         13 . The method of  claim 12 , wherein the uplink control information is related to the DL carrier. 
     
     
         14 . The method of  claim 11 , wherein the first RAT is a 5G or NX RAT, and/or the second RAT is a RAT based on Long Term Evolution (LTE). 
     
     
         15 . The method of  claim 11 , wherein the UL carrier of the first RAT is transmitted in at least one specific part of the uplink frequency channel of the second RAT. 
     
     
         16 . The method of  claim 15 , wherein the UL carrier of the first RAT is transmitted in at least one guard band of the uplink frequency channel of the second RAT. 
     
     
         17 . The method of  claim 15 , wherein the UL carrier of the first RAT is transmitted in at least one dedicated part of the uplink frequency channel of the second RAT inside a transmission bandwidth of the frequency channel. 
     
     
         18 . The method of  claim 15 , wherein the wireless communication device also receives configuration information indicating the at least one specific part of the uplink frequency channel of the second RAT to enable configuration of the wireless communication device for transmission of the UL carrier of the first RAT in the at least one specific part of the uplink frequency channel of the second RAT. 
     
     
         19 . The method of  claim 11 , wherein at least part of the uplink frequency channel of the second RAT is shared in a time-multiplexed manner between the first RAT and the second RAT. 
     
     
         20 . A network unit for operating in a wireless communication system, the network unit comprising:
 a communication circuit;   memory; and   a processor associated with the memory, the processor is operable to:
 receive and demodulate and/or decode an uplink (UL) carrier of a first radio access technology (RAT) in an uplink frequency channel overlapping with an uplink frequency channel of a second RAT; and 
 transmit a downlink (DL) carrier of the first RAT in a frequency channel of the first RAT that is higher than a downlink frequency channel of the second RAT, wherein the network unit is a base station. 
   
     
     
         21 . A network unit for operating in a wireless communication system, the network unit comprising:
 a communication circuit;   memory; and   a processor associated with the memory, the processor is operable to:
 receive and demodulate and/or decode an uplink (UL) carrier of a first radio access technology (RAT) in an uplink frequency channel overlapping with an uplink frequency channel of a second RAT; and 
 forward information related to the UL carrier of the first RAT to a base station of the first RAT. 
   
     
     
         22 . The network unit of  claim 20 , wherein the network unit is operable to receive and demodulate and/or decode uplink control information in an UL control channel of the UL carrier of the first RAT in the uplink frequency channel overlapping with the uplink frequency channel of the second RAT. 
     
     
         23 . The network unit of  claim 22 , wherein the uplink control information is related to the DL carrier of the first RAT. 
     
     
         24 . The network unit of  claim 20 , wherein the first RAT is a 5G or NX RAT, and/or the second RAT is a RAT based on Long Term Evolution (LTE). 
     
     
         25 . The network unit of  claim 20 , wherein the network unit is operable to receive and demodulate and/or decode the UL carrier of the first RAT in at least one specific part of the uplink frequency channel of the second RAT. 
     
     
         26 . The network unit of  claim 25 , wherein the network unit is operable to receive and demodulate and/or decode the UL carrier of the first RAT in at least one guard band of the uplink frequency channel of the second RAT. 
     
     
         27 . The network unit of  claim 25 , wherein the network unit is operable to receive and demodulate and/or decode the UL carrier of the first RAT in at least one dedicated part of the uplink frequency channel of the second RAT inside a transmission bandwidth of the frequency channel. 
     
     
         28 . The network unit of  claim 25 , wherein the network unit is operable to transmit configuration information indicating the at least one specific part of the uplink frequency channel of the second RAT to at least one associated wireless communication device to enable configuration of the wireless communication device(s) for transmission of the UL carrier of the first RAT in the at least one specific part of the frequency channel. 
     
     
         29 . The wireless communication device of  claim 1 , wherein the DL carrier of the first RAT is in a frequency channel of the first RAT that is higher than both the downlink frequency channel of the second RAT and the uplink frequency channel of the second RAT.

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