Partial sounding of sounding reference signal
According to some embodiments, a method performed by a wireless device comprising receiving a sounding reference signal (SRS) configuration comprising an indication of a size of a fractional portion of an SRS bandwidth and a location of the fractional portion of the SRS bandwidth to use for sounding and transmitting SRS according to the received SRS configuration.
1 . A method performed by a wireless device, the method comprising:
receiving a sounding reference signal (SRS) configuration comprising an indication of a size of a fractional portion of an SRS bandwidth and a location of the fractional portion of the SRS bandwidth to use for sounding; and
transmitting SRS according to the received SRS configuration,
wherein the indication of the size of the fractional portion includes a partial sounding factor, Pf, and the indication of the location includes an integer, Pp, where Pp∈{0, 1, . . . , Pf−1).
2 . The method of claim 1 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding does not vary over time.
3 . The method of claim 1 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies over time.
4 . The method of claim 3 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a slot number within a frame.
5 . The method of claim 3 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a symbol within a slot.
6 . The method of claim 3 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a predefined hopping pattern.
7 . A wireless device comprising processing circuitry operable to:
receive a sounding reference signal (SRS) configuration comprising an indication of a size of a fractional portion of an SRS bandwidth and a location of the fractional portion of the SRS bandwidth to use for sounding; and
transmit SRS according to the received SRS configuration,
wherein the indication of the size of the fractional portion includes a partial sounding factor, Pf, and the indication of the location includes an integer, Pp, where Pp∈{0, 1, . . . ,Pf−1).
8 . The wireless device of claim 7 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding does not vary over time.
9 . The wireless device of claim 7 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies over time.
10 . The wireless device of claim 9 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a slot number within a frame.
11 . The wireless device of claim 9 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a symbol within a slot.
12 . The wireless device of claim 9 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a predefined hopping pattern.
13 . A method performed by a network node, the method comprising:
determining a sounding reference signal (SRS) configuration for a wireless device, the SRS configuration comprising an indication of a size of a fractional portion of an SRS bandwidth and a location of the fractional portion of the SRS bandwidth to use for sounding; and
transmitting the SRS configuration to the wireless device,
wherein the indication of the size of the fractional portion includes a partial sounding factor, Pf, and the indication of the location includes an integer, Pp, where Pp∈{0, 1, . . . , Pf−1).
14 . The method of claim 13 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding does not vary over time.
15 . The method of claim 13 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies over time.
16 . The method of claim 15 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a slot number within a frame.
17 . The method of claim 15 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a symbol within a slot.
18 . The method of claim 15 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a predefined hopping pattern.
19 . A network node capable of operating as an integrated access and backhaul (IAB) donor, the network node comprising processing circuitry operable to:
determine a sounding reference signal (SRS) configuration for a wireless device, the SRS configuration comprising an indication of a size of a fractional portion of an SRS bandwidth and a location of the fractional portion of the SRS bandwidth to use for sounding; and
transmit the SRS configuration to the wireless device,
wherein the indication of the size of the fractional portion includes a partial sounding factor, Pf, and the indication of the location includes an integer, Pp, where Pp∈={0, 1, . . . , Pf−1).
20 . The network node of claim 19 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding does not vary over time.
21 . The network node of claim 19 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies over time.
22 . The network node of claim 21 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a slot number within a frame.
23 . The network node of claim 21 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a symbol within a slot.
24 . The network node of claim 21 , wherein the location of the fractional portion of the SRS bandwidth to use for sounding varies based on a predefined hopping pattern.