Channel multiplexing in URLLC
Operating a wireless device in a wireless communication network, the wireless device being triggered for transmitting first signaling on a first resource structure associated to a first transmission quality and being triggered for transmitting second signaling on a second resource structure associated to a second transmission quality, the first resource structure and the second resource structure overlapping at least partly in time and/or being in the same transmission timing structure; the first signaling being communication signaling and representing first information, and the second signaling being control signaling representing second information, which is control information. Signaling is transmitted on the first resource structure, the signaling including second information mapped to the first resource structure, depending on the size of the first resource structure and the size of the resources within the first resource structure required by the mapping of the second information. The disclosure also pertains to related devices and methods.
1. A method of operating a wireless device in a wireless communication network, the wireless device being triggered for transmitting first signaling on a first resource structure associated to a first transmission quality and being triggered for transmitting second signaling on a second resource structure associated to a second transmission quality, the first resource structure and the second resource structure at least one of overlapping at least partly in time and being in the same transmission timing structure, the first signaling being communication signaling and representing first information, and the second signaling being control signaling representing second information which is control information, the method comprising:
transmitting signaling on the first resource structure, the signaling comprising second information mapped to the first resource structure, depending on a size of the first resource structure and a size of the resources within the first resource structure required by the mapping of the second information, the second information being mapped onto the first resource structure if the size of resources to be used for the second information is at least one of below a threshold size of resources and below a threshold portion of the size of the first resource structure.
2. A wireless device for a wireless communication network, the wireless device being configured for being triggered for transmitting first signaling on a first resource structure associated to a first transmission quality and for being triggered for transmitting second signaling on a second resource structure associated to a second transmission quality, the first resource structure and the second resource structure at least one of overlapping at least partly in time and being in the same transmission timing structure, the first signaling being communication signaling and representing first information, and the second signaling being control signaling representing second information which is control information, the wireless device being configured to:
transmit signaling on the first resource structure, the signaling comprising second information mapped to the first resource structure, depending on a size of the first resource structure and a size of the resources within the first resource structure required by the mapping of the second information, the second information being mapped onto the first resource structure if the size of resources to be used for the second information is at least one of below a threshold size of resources and below a threshold portion of the size of the first resource structure.
3. A method of operating a network node in a wireless communication network, the method comprising:
receiving signaling from a wireless device, the wireless device being triggered for transmitting first signaling on a first resource structure associated to a first transmission quality and being triggered for transmitting second signaling on a second resource structure associated to a second transmission quality, the first resource structure and the second resource structure at least one of overlapping at least partly in time and being in the same transmission timing structure, the first signaling being communication signaling and representing first information, and the second signaling being control signaling representing second information which is control information, receiving signaling comprising receiving signaling utilising the first resource structure, the signaling comprising the second information being mapped onto the first resource structure, depending on a size of the first resource structure and a size of the resources within the first resource structure required by the mapping of the second information, the second information being mapped onto the first resource structure if the size of resources to be used for the second information is at least one of below a threshold size of resources and below a threshold portion of the size of the first resource structure.
4. A network node for a wireless communication network, the network node being configured to:
receive signaling from a wireless device, the wireless device being triggered for transmitting first signaling on a first resource structure associated to a first transmission quality and being triggered for transmitting second signaling on a second resource structure associated to a second transmission quality, the first resource structure and the second resource structure at least one of overlapping at least partly in time and being in the same transmission timing structure, the first signaling being communication signaling and representing first information, and the second signaling being control signaling representing second information which is control information, receiving signaling comprising receiving signaling utilising the first resource structure, the signaling comprising the second information being mapped onto the first resource structure, depending on a size of the first resource structure and a size of the resources within the first resource structure required by the mapping of the second information, the second information being mapped onto the first resource structure if the size of resources to be used for the second information is at least one of below a threshold size of resources and below a threshold portion of the size of the first resource structure.
5. The method according to claim 1 , wherein the mapping of the second information is based on a scaling factor.
6. The method according to claim 1 , wherein the second information is multiplexed at least one of on to the first resource structure and to first information.
7. The method according to claim 1 , wherein the second resource structure is associated to transmission on a control channel.
8. The method according to claim 1 , wherein the second transmission quality corresponds to a higher priority than the first transmission quality.
9. The method according to claim 1 , wherein the first information comprises control information of a first type, and the second information comprises control information of a second type.
10. The method according to claim 1 , wherein the second information is multiplexed on the first resource structure depending on the type of control information it represents.
11. The method according to claim 1 , wherein the first information comprises control information of a different type than the second information, wherein the second information is multiplexed on the first resource structure based on a relative type priority of types of control information.
12. The method according to claim 1 , wherein, if dependent on the size of the first resource structure and the scaling factor, the second information is not mapped to the first resource structure, the triggered transmission on the first resource structure is omitted or shifted in time.
13. A non-transitory computer storage medium storing a program comprising instructions configured to cause processing circuitry to at least one of control and perform a method of operating a wireless device in a wireless communication network, the wireless device being triggered for transmitting first signaling on a first resource structure associated to a first transmission quality and being triggered for transmitting second signaling on a second resource structure associated to a second transmission quality, the first resource structure and the second resource structure at least one of overlapping at least partly in time and being in the same transmission timing structure, the first signaling being communication signaling and representing first information, and the second signaling being control signaling representing second information which is control information, the method comprising:
transmitting signaling on the first resource structure, the signaling comprising second information mapped to the first resource structure, depending on a size of the first resource structure and a size of the resources within the first resource structure required by the mapping of the second information, the second information being mapped onto the first resource structure if the size of resources to be used for the second information is at least one of below a threshold size of resources and below a threshold portion of the size of the first resource structure, receiving signaling comprising receiving signaling utilising the first resource structure, the signaling comprising the second information being mapped onto the first resource structure, depending on a size of the first resource structure and a size of the resources within the first resource structure required by the mapping of the second information, the second information being mapped onto the first resource structure if the size of resources to be used for the second information is at least one of below a threshold size of resources and below a threshold portion of the size of the first resource structure.
14. The method according to claim 3 , wherein the mapping of the second information is based on a scaling factor.
15. The method according to claim 3 , wherein the second information is multiplexed at least one of on to the first resource structure and to first information.
16. The method according to claim 3 , wherein the second resource structure is associated to transmission on a control channel.
17. The method according to claim 3 , wherein the second transmission quality corresponds to a higher priority than the first transmission quality.
18. The method according to claim 17 , wherein at least one of:
the second transmission quality corresponds to one of URLLC transmission and operation; and
the first transmission quality corresponds to one of eMBB transmission and operation.
19. The method according to claim 8 , wherein at least one of:
the second transmission quality corresponds to one of URLLC transmission and operation; and
the first transmission quality corresponds to one of eMBB transmission and operation.