Reallocation and reservation of resources for high priority communication and quality of service feedback
In the field of wireless communications, approaches for a reallocation and reservation of resources for high priority communications, for a Quality of Service feedback, and for handling certain events in a wireless communication network are described. Embodiments relate to the implementation of the approaches for entities of a wireless communication network or system performing sidelink communications. In particular, improved approaches for a reallocation and reservation of resources for high priority communications, for a Quality of Service feedback, and for handling certain events in a wireless communication network are presented.
1. An apparatus comprising:
a processor circuit and a memory circuit,
wherein the memory is arranged to store instructions for the processor circuit,
wherein the processor circuit is arranged to provide a plurality of resources,
wherein the plurality of resources is allocated for transmissions,
wherein the transmissions comprise at least one first transmission and at least one second transmission,
wherein the at least one first transmission has a first priority level,
wherein the at least one second transmission has a second priority level,
wherein the first priority level is higher than the second priority level,
wherein the processor circuit is arranged to receive a signal if there are insufficient resources for an upcoming first transmission,
wherein if there are insufficient resources for the upcoming first transmission, the processor circuit is arranged to:
stop a portion of the at least one second transmission,
release resources allocated to the at least one second transmission, and
allocate the released resources for transmitting or receiving the upcoming first transmission,
wherein stopping the portion of the at least one second transmission comprises pausing the portion of the at least one second transmission for an interval,
wherein the signal comprises a message,
wherein the message indicates a length of the interval, and
wherein the interval is arranged to accommodate for the transmission or the reception of the upcoming first transmission.
2. The device of claim 1 ,
wherein the message indicates a configuration,
wherein the configuration is used when resuming the portion of the at least one second transmission after the upcoming first transmission has been completed, and
wherein the configuration is at least one of: the same configuration used for an initial portion of the at least one second transmission, and a second configuration.
3. The apparatus of claim 1 ,
wherein the transmissions comprise at least one third transmission,
wherein the at least one third transmission has a third priority level,
wherein the first priority level and the second priority level are higher than the third priority level,
wherein the plurality of resources comprises a first plurality of resources and a second plurality of resources,
wherein the first plurality of resources comprises resources allocated for the at least one first transmission and the at least one second transmission, and
wherein the second plurality of resources comprises resources allocated for the at least one third transmission.
4. The apparatus of claim 3 ,
wherein the first plurality of resources comprises first resources and second resources,
wherein the first resources comprise a first plurality of subcarriers with a first subcarrier spacing,
wherein the second plurality of resource comprises second resources,
wherein the second resources comprise a second plurality of subcarriers with a second subcarrier spacing,
wherein the first subcarrier spacing is larger than the second subcarrier spacing,
wherein the portion of the second transmission has a requirement to meet a Quality-of-Service,
wherein the Quality-of-Service is based on at least one of a latency requirement, a reliability requirement, and a quota requirement, and
wherein stopping the portion of the second transmission comprises reallocating the second resources to the portion of the second transmission if at least one of the latency requirement, the reliability requirement, and the quota requirement of the portion of the at least one second transmission can be met by the reallocation.
5. The apparatus of claim 1 ,
wherein the portion of the at least one second transmission is buffered in a buffer of the apparatus, and
wherein the apparatus is arranged to flush the portion of the at least one second transmission from the buffer if at least one of:
a communication range to a target of the portion of the at least one second transmission has exceeded a maximum communication range, and
the at least one of the first transmission has exceeded a time limit.
6. The apparatus of claim 1 ,
wherein the at least one first transmission comprises a first message,
and
wherein the first message comprises at least one of: an emergency message, a safety related message, a road hazard warning, and an incoming emergency vehicle message.
7. The apparatus of claim 1 ,
wherein the apparatus comprises a user device,
wherein the apparatus is coupled to at least one second user device via a sidelink, and
wherein resources from the at least one plurality of resources is allocated for sidelink communication with the at least one second user device by an Evolved Node.
8. The apparatus of claim 1 ,
wherein the apparatus comprises a user device,
wherein the apparatus is coupled to at least one second user device via a sidelink, and
wherein the processor circuit is arranged to schedule a portion of resources from the at least one plurality of resources for the sidelink.
9. The apparatus of claim 8 ,
wherein the message comprises a sidelink control information message,
wherein resources in the sidelink control information message are used for the at least one first transmission, and
wherein the processor circuit is arranged to stop the portion of the second transmission based on the sidelink control information message.
10. A transmitter comprising:
a processor circuit and a memory circuit,
wherein the memory is arranged to store instructions for the processor circuit,
wherein the processor circuit is arranged to provide a plurality of resources,
wherein the plurality of resources are allocated for transmissions,
wherein the transmissions comprise at least one first transmission and at least one second transmission,
wherein the at least one first transmission has a first priority level,
wherein the at least one second transmission has a second priority level,
wherein the first priority level is higher than the second priority level,
wherein, if there are insufficient resources for an upcoming initial transmission of the first transmissions, the processor circuit is arranged to:
signal to a receiver to stop a portion of the at least one second transmission,
release resources allocated to the at least one second transmission, and
reallocate the released resources for at least a portion of the at least one first transmission, and
wherein the processor circuit is arranged to determine that there are insufficient resources for the upcoming initial transmission based on at least one of:
a percentage of used resources from the plurality of resources reach a threshold,
a percentage of unused resources from the plurality of resources drop below a threshold, and
there are insufficient unused resources in the plurality of resources for allocation to the portion of the first transmissions.
11. A transmitter comprising:
a processor circuit and a memory circuit,
wherein the memory is arranged to store instructions for the processor circuit,
wherein the processor circuit is arranged to provide a plurality of resources,
wherein the plurality of resources is allocated for transmissions,
wherein the transmissions comprise at least one first transmission and at least one second transmission,
wherein the at least one first transmission has a first priority level,
wherein the at least one second transmission has a second priority level,
wherein the first priority level is higher than the second priority level, and
wherein the processor circuit is arranged to reserve a portion of non-occupied resources from the plurality of resources for the at least one first transmission, and allocate reserved resources for an initial transmission of the at least one first transmission when an occupancy of the plurality of resources reaches a predefined threshold.
12. The transmitter of claim 11 ,
wherein the processor circuit is arranged to reserve the amount of non-occupied resources when at least one of: an occupancy and a traffic load threshold has been reached, and
wherein the processor circuit is arranged to allocate reserved resources only for the at least one first transmission, and stop allocating resources for the at least one second transmission when the occupancy or the traffic load threshold is reached.
13. The transmitter of claim 11 ,
wherein the transmissions comprise at least one a third transmission,
wherein the at least one third transmission has a third priority level,
wherein the first priority level and the second priority level are higher than the third priority level,
wherein the plurality of resources comprises a first plurality of resources and a second plurality of resources,
wherein the first plurality of resources comprises resources allocated for the at least one first transmission and the at least one second transmission, and
wherein the second plurality of resources comprises resources allocated for the at least one third transmission.
14. The transmitter of claim 12 ,
wherein the at least one second transmission has a requirement to meet a Quality-of-Service,
wherein the Quality-of-Service is based on at least one of:
a latency requirement,
a reliability requirement, and
a quota requirement,
wherein the processor circuit is arranged to allocate resources for the portion of the at least one second transmission in the second plurality of resources, if at least one of the latency requirement, the reliability requirement, and the quota requirement of the portion of the at least one second transmission can be met.
15. The transmitter of claim 13 ,
wherein the first plurality of resources comprise a first plurality of subcarriers with a first subcarrier spacing,
wherein the second plurality of
resources comprise a second plurality of subcarriers with a second subcarrier spacing, and
wherein the first subcarrier spacing is larger than the second subcarrier spacing.
16. The transmitter of claim 11 , wherein the processor circuit is arranged to select the amount of resources reserved for the at least one first transmission based on at least one of: a real-time load, and an anticipated load of the plurality of resources.
17. The transmitter of claim 11 ,
wherein the transmitter comprises a first user device,
wherein the transmitter is coupled to at least one second user device via a sidelink, and
wherein the processor circuit schedules a portion of the plurality of resources for the sidelink communication with the at least one second user device.
18. The transmitter of claim 11 ,
wherein the processor circuit comprises a user device,
wherein the transmitter is coupled to at least one second user device via a sidelink, and
wherein the transmitter is arranged to schedule a portion of the resources from the plurality of resources for the sidelink.