Methods for capability signaling, wireless devices and network nodes
The present disclosure provides a method, performed by a wireless device, for capability signalling. The wireless device comprises one or more antenna panels configured to communicate with a network node. The method comprises obtaining a capability of at least one of the antenna panels, wherein the capability comprises at least one of: a receive-only panel, ROP, capability, a transmit-only panel, TOP, capability, a receive-and-transmit panel, RTP, capability and a dynamic RTP capability. The method comprises transmitting, to the network node, control signalling indicative of the obtained capability of the at least one antenna panel.
1. A method, performed at a wireless device, for capability signaling, wherein the wireless device comprises one or more antenna panels configured to communicate with a network node, the method comprising:
obtaining a capability of at least one of the antenna panels, wherein the capability comprises at least one of:
a receive-only panel (ROP) capability;
a transmit-only panel (TOP) capability;
a receive-and-transmit panel (RTP) capability indicative of a capability of the at least one antenna panel to receive and transmit; and/or
a dynamic RTP capability indicative of a capability of the at least one antenna panel to switch between one or more of:
a ROP mode;
a TOP mode; and/or
a RTP mode;
transmitting, to the network node, first control signaling indicative of the obtained capability of the at least one antenna panel;
receiving second control signaling from the network node, the second control signaling comprising a panel identifier corresponding to a selected antenna panel having the RTP capability or the dynamic RTP capability, the second control signaling being indicative of:
switching between the receive capability and the transmit capability for the selected antenna panel having the RTP capability; or
switching between the one or more of the ROP mode, the TOP mode, and/or the RTP mode for the selected antenna panel having the dynamic RTP capability; and
switching the selected antenna panel corresponding to the panel identifier between:
the receive capability and the transmit capability for the selected antenna panel having the RTP capability; or
the one or more of the ROP mode, the TOP mode, and/or the RTP mode for the selected antenna panel having the dynamic RTP capability.
2. The method according to claim 1 , further comprising:
receiving, from the network node, the second control signaling indicative of one or more antenna panels to be activated; and
activating the one or more panels indicated by the second control signaling received.
3. The method according to claim 1 , further comprising:
communicating, between the wireless device and the network node, the second control signaling indicative of switching of one of the antenna panels having a dynamic RTP capability from a first mode to a second mode, wherein the first mode comprises one of: a ROP mode, a TOP mode, a RTP mode and a deactivate mode, wherein the second mode comprises one of: a ROP mode, a TOP mode, a RTP mode and a deactivate mode; and
switching the indicated antenna panel from the first mode to the second mode.
4. The method according to claim 3 , further comprising:
establishing a beam pair for uplink and downlink in response to the switching and/or in response to the activating.
5. The method according to claim 3 , wherein the communicating, between the wireless device and the network node, the second control signaling indicative of switching of one of the antenna panels comprises receiving from the network node, the second control signaling instructing the wireless device to switch the one antenna panel from the first mode to the second mode.
6. The method according to claim 3 , wherein the communicating, between the wireless device and the network node, the second control signaling indicative of switching of one of the antenna panels comprises transmitting, to the network node, further control signaling indicating to the network node that the wireless device intends to switch the one antenna panel from the first mode to the second mode.
7. The method according to claim 3 , wherein the second control signaling indicative of switching indicates a time period and wherein the method comprises performing an additional switching of the one antenna panel in response to expiry of the time period.
8. A wireless device comprising
a memory module;
a processor module; and
a wireless interface,
wherein the wireless device is configured to perform the method of claim 1 .
9. The method of claim 1 , wherein the transmitting the control signaling comprises transmitting control signaling indicative of a panel identifier.
10. A method, performed at a network node, wherein the network node is configured to communicate with a wireless device via one or more antenna panels of the wireless device, the method comprising:
receiving, from the wireless device, first control signaling indicative of a capability of at least one antenna panel of the one or more antenna panels of the wireless device, the capability comprising at least one of:
a receive-only panel (ROP) capability;
a transmit-only panel (TOP) capability;
a receive-and-transmit panel (RTP) capability indicative of capability of the at least one antenna panel to receive and transmit; or
a dynamic RTP capability indicative of a capability of the at least one antenna panel to switch between one or more of:
a ROP mode;
a TOP mode; and/or
a RTP mode; and
transmitting second control signaling to the wireless device, the second control signaling comprising a panel identifier corresponding to a selected antenna panel of the wireless device having the RTP capability or the dynamic RTP capability, the second control signaling being indicative of:
switching between the receive capability and the transmit capability for the selected antenna panel of the wireless device having the RTP capability; or
switching between the one or more of the ROP mode, the TOP mode, and/or the RTP mode for the selected antenna panel of the wireless device having the dynamic RTP capability,
wherein the second control signaling causes the wireless device to switch the selected antenna panel corresponding to the panel identifier between:
the receive capability and the transmit capability for the selected antenna panel having the RTP capability; or
the one or more of the ROP mode, the TOP mode, and/or the RTP mode for the selected antenna panel having the dynamic RTP capability; and
scheduling transmission of the wireless device based on the capability indicated by the received first control signaling.
11. The method according to claim 10 , further comprising:
selecting, based on the capability indicated, one or more antenna panels to activate; and
transmitting, to the wireless device, the second control signaling indicative of the selected one or more antenna panels.
12. The method according to claim 10 , further comprising:
communicating, between the wireless device and the network node, the second control signaling indicative of switching of one of the antenna panels having a dynamic RTP capability from a first mode to a second mode,
wherein the first mode comprises one of: a ROP mode, a TOP mode, a RTP mode and a deactivate mode, wherein the second mode comprises one of: a ROP mode, a TOP mode, a RTP mode and a deactivate mode.
13. The method according to claim 12 , wherein the communicating, between the wireless device and the network node, the second control signaling indicative of switching of one of the antenna panels comprises transmitting to the wireless device, the second control signaling instructing the wireless device to switch the indicated antenna panel having a dynamic RTP capability from the first mode to the second mode.
14. The method according to claim 12 , wherein the communicating, between the wireless device and the network node, the second control signaling indicative of switching of one of the antenna panels comprises receiving, from the wireless device, the first control signaling indicating to the network node that the wireless device intends to switch the one antenna panel from the first mode to the second mode.
15. The method according to claim 10 , further comprising:
selecting, based on the capability indicated and received quality metrics per antenna panels, one or more antenna panels for communication.
16. The method according to claim 10 , wherein the scheduling the transmission of the wireless device based on the capability indicated by the received first control signaling comprises scheduling an uplink transmission for an antenna panel having at least one of: the TOP capability, the RTP capability and the dynamic RTP capability.
17. The method according to claim 10 , wherein the scheduling the transmission of the wireless device based on the capability indicated by the received first control signaling comprises scheduling a downlink transmission for an antenna panel having at least one of: the ROP capability, the RTP capability and the dynamic RTP capability.
18. A network node comprising
a memory module;
a processor module; and
a wireless interface,
wherein the network node is configured to perform the method of claim 10 .
19. The method of claim 10 , wherein the transmitting the control signaling comprises transmitting control signaling indicative of a panel identifier.