Colliding aperiodic sounding reference signal resource sets
According to some embodiments, a method performed by a wireless device for transmitting a sounding reference signal (SRS) comprises: receiving a SRS configuration for two or more SRS resource sets; determine a first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets; determining not to transmit SRS using the first SRS resource set; and transmitting SRS using the second SRS resource set.
1 . A method performed by a wireless device for transmitting a sounding reference signal (SRS), the method comprising:
receiving a SRS configuration for two or more SRS resource sets;
determining a first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets;
determining not to transmit SRS using the first SRS resource set; and
transmitting SRS using the second SRS resource set,
wherein determining not to transmit SRS using the first SRS resource set comprises determining the first resource set has fewer SRS resources than the second SRS resource set.
2 . The method of claim 1 , wherein determining not to transmit SRS using the first SRS resource set is based on resource set identifiers associated with the first and second SRS resource sets.
3 . The method of claim 2 , comprising determining not to transmit SRS using the first SRS resource set when a resource set identifier associated with the first SRS resource set is larger than a resource set identifier associated with the second SRS resource set.
4 . The method of claim 1 , wherein determining not to transmit SRS using the first SRS resource set is based on usage types associated with the first and second SRS resource sets.
5 . The method of claim 4 , wherein the usage types are prioritized from highest to lowest as follows: ‘antennaSwitching’, ‘codebook’, ‘nonCodebook’, and ‘beamManagement’.
6 . The method of claim 1 , wherein determining not to transmit SRS using the first SRS resource set comprises determining not to transmit a portion of the first SRS resource set that overlaps with the second SRS resource set and transmitting SRS using a non-overlapping portion of the first SRS resource set.
7 . The method of claim 1 , wherein determining the first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets comprises determining a slot format has changed.
8 . A wireless device capable of transmitting a sounding reference signal (SRS), the wireless device comprising processing circuitry configured to:
receive a SRS configuration for two or more SRS resource sets;
determine a first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets;
determine not to transmit SRS using the first SRS resource set; and
transmit SRS using the second SRS resource set,
wherein determining not to transmit SRS using the first SRS resource set comprises determining the first resource set has fewer SRS resources than the second SRS resource set.
9 . The wireless device of claim 8 , wherein the processing circuitry is configured to determine not to transmit SRS using the first SRS resource set based on resource set identifiers associated with the first and second SRS resource sets.
10 . The wireless device of claim 9 , wherein the processing circuitry is configured to determine not to transmit SRS using the first SRS resource set when a resource set identifier associated with the first SRS resource set is larger than a resource set identifier associated with the second SRS resource set.
11 . The wireless device of claim 8 , wherein the processing circuitry is configured to determine not to transmit SRS using the first SRS resource set based on usage types associated with the first and second SRS resource sets.
12 . The wireless device of claim 11 , wherein the usage types are prioritized from highest to lowest as follows: ‘antennaSwitching’, ‘codebook’, ‘nonCodebook’, and ‘beamManagement’.
13 . The wireless device of claim 8 , wherein the processing circuitry is configured to determine not to transmit SRS using the first SRS resource set by determining not to transmit a portion of the first SRS resource set that overlaps with the second SRS resource set and transmitting SRS using a non-overlapping portion of the first SRS resource set.
14 . The wireless device of claim 8 , wherein the processing circuitry is configured to determine the first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets by determining a slot format has changed.
15 . A method performed by a network node for receiving a sounding reference signal (SRS), the method comprising:
transmitting a SRS configuration for two or more SRS resource sets to a wireless device;
determining a first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets;
determining the wireless device will not transmit SRS using the first SRS resource set; and
receiving SRS in the second SRS resource set,
wherein determining not to transmit SRS using the first SRS resource set comprises determining the first resource set has fewer SRS resources than the second SRS resource set.
16 . The method of claim 15 , wherein determining the wireless device will not transmit SRS using the first SRS resource set is based on resource set identifiers associated with the first and second SRS resource sets.
17 . A network node operable to receive a sounding reference signal (SRS), the network node comprising processing circuitry configured to:
transmit a SRS configuration for two or more SRS resource sets to a wireless device;
determine a first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets;
determine the wireless device will not transmit SRS using the first SRS resource set; and
receive SRS in the second SRS resource set,
wherein determining not to transmit SRS using the first SRS resource set comprises determining the first resource set has fewer SRS resources than the second SRS resource set.
18 . The network node of claim 17 , wherein the processing circuitry is configured to determine the wireless device will not transmit SRS using the first SRS resource set based on resource set identifiers associated with the first and second SRS resource sets.
19 . The network node of claim 18 , wherein the processing circuitry is configured to determine the wireless device will not transmit SRS using the first SRS resource set when a resource set identifier associated with the first SRS resource set is larger than a resource set identifier associated with the second SRS resource set.
20 . The network node of claim 17 , wherein the processing circuitry is configured to determine the wireless device will not transmit SRS using the first SRS resource set based on usage types associated with the first and second SRS resource sets.
21 . The network node of claim 20 , wherein the usage types are prioritized from highest to lowest as follows: ‘antennaSwitching’, ‘codebook’, ‘nonCodebook’, and ‘beamManagement’.
22 . The network node of claim 17 , wherein the processing circuitry is configured to determine the wireless device will not transmit SRS using the first SRS resource set by determining the wireless device will not transmit a portion of the first SRS resource set that overlaps with the second SRS resource set and the wireless device will transmit SRS using a non-overlapping portion of the first SRS resource set.
23 . The network node of claim 17 , wherein the processing circuitry is configured to determine the first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets by determining a slot format has changed.