Systems and methods for capability indication for a wireless receiving station
Disclosed herein are systems and methods of communication between an access point (AP) and a plurality of stations (STAs) operating in a wireless local area network (WLAN). The method includes: transmitting, by the AP, a signal for a receiving STA in the plurality of STAs to initiate a channel sounding process for a communication channel between the AP and the receiving STA; receiving, by the AP, a feedback signal from the receiving STA, the feedback signal carrying a frame including a capability indicator for indicating a capability of the receiving STA; and processing, by the AP, the frame carried by the feedback signal to determine at least one of the following: a Modulation and Coding Set (MCS) processable by the receiving STA, a MIMO detection algorithm processable by the receiving STA, and a maximum computational complexity of the receiving STA.
1. A method of communication between an access point (AP) and a plurality of receiving stations (STAs) operating in a wireless local area network (WLAN), the method comprising:
transmitting, by the AP, a signal for a receiving STA in the plurality of receiving STAs to initiate a channel sounding process for a communication channel between the AP and the receiving STA;
receiving, by the AP from the receiving STA, a feedback signal, the feedback signal from the receiving STA carrying a frame including a capability indicator indicating a capability of the receiving STA; and
processing, by the AP, the capability indicator in the frame carried by the feedback signal to determine at least one of the following: a Modulation and Coding Set (MCS) processable by the receiving STA, a multi-input multi-output (MIMO) detection algorithm processable by the receiving STA, or a maximum computational complexity of the receiving STA.
2. The method of claim 1 , further comprising: generating, by the AP, a response to the receiving STA based on the capability indicator.
3. The method of claim 1 , wherein the frame carried by the feedback signal from the receiving STA further comprises a compressed beamforming action (CBA) frame.
4. The method of claim 1 , wherein the frame carried by the feedback signal from the receiving STA further comprises a probe request.
5. The method of claim 1 , wherein the frame carried by the feedback signal from the receiving STA further comprises an association request.
6. The method of claim 1 , wherein the capability indicator in the frame carried by the feedback signal from the receiving STA comprises an index value for the MCS.
7. The method of claim 1 , wherein the capability indicator in the frame carried by the feedback signal from the receiving STA comprises one or more of: a modulation type, or a coding rate.
8. The method of claim 1 , wherein the MIMO detection algorithm comprises one of: MMSE detection algorithm, MLD detection algorithm, and sphere decoding (SD) algorithm.
9. A wireless transmitting station configured to communicate with a plurality of stations (STAs) operating in a wireless local area network (WLAN), comprising:
at least one processor coupled to a network interface; and
a non-transitory computer readable storage medium, the non-transitory computer readable storage medium storing instructions executable by the at least one processor that cause the wireless transmitting station to:
transmit a signal for a receiving STA in a plurality of receiving STAs to initiate a channel sounding process for a communication channel between the wireless transmitting station and the receiving STA;
receive, from the receiving STA, a feedback signal, the feedback signal from the receiving STA carrying a frame including a capability indicator indicating a capability of the receiving STA; and
process the capability indicator in the frame carried by the feedback signal to determine at least one of the following: a Modulation and Coding Set (MCS) processable by the receiving STA, a multi-input multi-output (MIMO) detection algorithm processable by the receiving STA, or a maximum computational complexity of the receiving STA.
10. The wireless transmitting station of claim 9 , wherein the non-transitory computer readable storage medium stores instructions executable by the at least one processor that cause the wireless transmitting station to: generate a response to the receiving STA based on the capability indicator.
11. The wireless transmitting station of claim 9 , wherein the frame carried by the feedback signal from the receiving STA further comprises: a compressed beamforming action (CBA) frame, a probe request, or an association request.
12. The wireless transmitting station of claim 9 , wherein the capability indicator in the frame carried by the feedback signal from the receiving STA comprises an index value for the MCS.
13. The wireless transmitting station of claim 9 , wherein the capability indicator in the frame carried by the feedback signal from the receiving STA comprises one or more of: a modulation type, or a coding rate.
14. The wireless transmitting station of claim 9 , wherein the MIMO detection algorithm comprises one of: MMSE detection algorithm, MLD detection algorithm, and sphere decoding (SD) algorithm.
15. A wireless electronic device configured to communicate with a wireless transmitting station and operating in a wireless local area network (WLAN), comprising:
at least one processor coupled to a network interface; and
a non-transitory computer readable storage medium, the non-transitory computer readable storage medium storing instructions executable by the at least one processor that cause the wireless electronic device to:
receive, from the wireless transmitting station, a signal to initiate a channel sounding process for a communication channel between the wireless transmitting station and the wireless electronic device among a plurality of wireless electronic devices; and
transmit a feedback signal to the wireless transmitting station, the feedback signal transmitted by the wireless electronic device carrying a frame including a capability indicator indicating a capability of the wireless electronic device,
wherein the capability indicator in the frame carried by the feedback signal enables the wireless transmitting station to determine at least one of the following: a Modulation and Coding Set (MCS) processable by the wireless electronic device, a multi-input multi-output (MIMO) detection algorithm processable by the wireless electronic device, or a maximum computational complexity of the wireless electronic device.
16. The wireless electronic device of claim 15 , wherein the non-transitory computer readable storage medium stores instructions executable by the at least one processor that cause the wireless electronic device to: receive a response from the wireless transmitting station, wherein the response is generated based on the capability indicator.
17. The wireless electronic device of claim 15 , wherein the frame carried by the feedback signal from the wireless electronic device further comprises: a compressed beamforming action (CBA) frame, a probe request, or an association request.
18. The wireless electronic device of claim 15 , wherein the capability indicator in the frame carried by the feedback signal from the wireless electronic device comprises an index value for the MCS.
19. The wireless electronic device of claim 15 , wherein the capability indicator in the frame carried by the feedback signal from the wireless electronic device comprises one or more of: a modulation type, or a coding rate.
20. The wireless electronic device of claim 15 , wherein the MIMO detection algorithm comprises one of: MMSE detection algorithm, MLD detection algorithm, and sphere decoding (SD) algorithm.
21. The method of claim 1 , wherein the capability indicator in the frame carried by the feedback signal from the receiving STA indicates at least one of: a capability of the receiving STA to process one or more MCSs, a capability of the receiving STA to use one or more MIMO detection algorithms, or the maximum computational complexity of the receiving STA.