Methods for SL SR/BSR handling
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsZhang Zhang, Congchi Zhang, Marco Belleschi
Life of this patent
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Abstract
The embodiments herein relate to methods for SL SR/BSR handling. In one embodiment, there proposes a method in a wireless device, comprising: triggering a Sidelink (SL) Buffer Status Report (BSR) in response to data to be sent over the SL; triggering a Sidelink (SL) Scheduling Request (SR) for transmitting the SL BSR, wherein the SL BSR is intended to be transmitted by using a first uplink (UL) grant triggered by the SL SR; and cancelling the SL SR transmission if the SL BSR has been transmitted by using a second UL grant triggered by other sources. With embodiments herein, the LCP can be adapted based on QoS requirement and unsuitable cancel of sidelink BSR can be avoided, which improves performance of both UL and sidelink.
Claims19
A method in a wireless device, comprising:
- triggering a Sidelink (SL) Buffer Status Report (BSR) in response to availability of data to be sent over the SL;
- triggering a SL Scheduling Request (SR) to obtain a first uplink (UL) grant for transmitting the SL BSR;
- and
- cancelling the SL SR transmission in response to transmitting the SL BSR using a second UL grant triggered by a Uu SR triggered by a Uu BSR, the Uu BSR being triggered by availability of data to be sent over the Uu interface.
A wireless device, comprising:
- at least one processor;
- and
- a non-transitory computer readable medium coupled to the at least one processor, the non-transitory computer readable medium contains instructions executable by the at least one processor, whereby the at least one processor is configured to:
- trigger a Sidelink (SL) Buffer Status Report (BSR) in response to availability of data to be sent over the SL;
- trigger a Sidelink (SL) Scheduling Request (SR) to obtain a first uplink (UL) grant for transmitting the SL BSR;
- and
- cancel the SL SR transmission in response to transmitting SL BSR using a second UL grant triggered by a Uu SR triggered by a Uu BSR, the Uu BSR being triggered by availability of data to be sent over the Uu interface.
A non-transitory, computer readable medium storing computer readable code, which when executed by at least one processor of an apparatus, causes the at least one processor to:
- trigger a Sidelink (SL) Buffer Status Report (BSR) in response to availability of data to be sent over the SL;
- trigger a Sidelink (SL) Scheduling Request (SR) to obtain a first uplink (UL) grant for transmitting the SL BSR;
- and
- cancel the SL SR transmission in response to transmitting SL BSR using a second UL grant triggered by a Uu SR triggered by a Uu BSR, the Uu BSR being triggered by availability of data to be sent over the Uu interface.
Dependencies are inferred from the claim text.