Enhanced high-throughput multi-link operation management
地域：
Singapore
摘要
An apparatus (e.g., a station (STA) in a wireless local area network (WLAN)), receives, from an access point (AP), a frame comprising a multi-link configuration information element (IE) that indicates one or more enabled links as a subset of one or more supported links for a traffic identifier (TID). Accordingly, the apparatus transmits, to the AP, data over at least one of the one or more enabled links corresponding to the TID.
說(shuō)明書
The present disclosure is part of a non-provisional patent application claiming the priority benefit of U.S. Provisional Patent Application Nos. 62/880,691 and 62/895,525, filed on 31 Jul. 2019 and 4 Sep. 2019, respectively, the contents of which being incorporated by reference in their entirety.
The present disclosure is generally related to wireless communications and, more particularly, to enhanced high-throughput (EHT) multi-link operation management in wireless local area networks (WLANs).
Unless otherwise indicated herein, approaches described in this section are not prior art to the claims listed below and are not admitted as prior art by inclusion in this section.
權(quán)利要求
What is claimed is:1. A method, comprising:receiving, by an apparatus, from an access point (AP) a frame comprising a multi-link configuration information element (IE) that indicates one or more enabled links as a subset of one or more supported links for a traffic identifier (TID); and transmitting, by the apparatus, to the AP data over at least one of the one or more enabled links corresponding to the TID, wherein the frame comprises an association response frame, or a reassociation response frame. 2. The method of claim 1 , wherein the frame further comprises a beacon frame or a probe response frame. 3. The method of claim 1 , wherein the multi-link configuration IE comprises a respective per-station (STA) TID-link mapping information field for each of one or more TIDs associated with the apparatus. 4. The method of claim 3 , wherein the per-STA TID-link mapping information field comprises a TID bitmap subfield and one or more link bitmap subfields, and wherein:the TID bitmap subfield indicates the one or more TIDs including the TID, and each of the one or more link bitmap subfields indicates one or more links comprising the one or more enabled links corresponding to the TID on which transmission of the data is enabled. 5. The method of claim 1 , further comprising:determining, by a processor of the apparatus, that there is a change with respect to the one or more enabled links; and indicating, by the processor, to the AP one or more new operating links responsive to the determining. 6. The method of claim 5 , wherein the determining that there is the change with respect to the one or more enabled links comprises receiving another frame from the AP indicating the change with respect to the one or more enabled links. 7. The method of claim 5 , wherein the indicating to the AP the one or more new operating links comprises transmitting to the AP a management frame comprising a multi-link operation A-Control field that indicates the one or more new operating links as a subset of one or more changed enabled links corresponding to the TID. 8. The method of claim 7 , wherein the multi-link operation A-Control field comprises a TID bitmap subfield and one or more link bitmap subfields, and wherein:the TID bitmap indicates one or more TIDs with which the one or more link bitmap subfields in the multi-link operation A-Control field are associated, and each of the one or more link bitmap subfields indicates one or more links on which one or more frames corresponding to a respective one of the one or more TIDs associated with the respective link bitmap subfield are transmitted. 9. The method of claim 5 , further comprising:switching, by the processor, an operating link from a first link among the one or more enabled links to a second link among one or more changed enabled links responsive to the determining; and transmitting, by the processor, to the AP data over the second link. 10. The method of claim 9 , wherein the indicating to the AP the one or more new operating links comprises transmitting, over the first link, a management frame comprising a multi-link operation A-Control field that indicates the one or more new operating links, and wherein the second link is not among the one or more enabled links. 11. The method of claim 9 , wherein the switching the operating link from the first link to the second link comprises performing the switching using an amount of link switching time, and wherein the link switching time is signaled by the AP at a multi-link operation setup phase. 12. The method of claim 1 , further comprising:receiving, by a processor of the apparatus, from the AP another frame comprising another multi-link configuration IE that indicates one or more disabled links among the one or more supported links for the TID. 13. The method of claim 12 , further comprising:transmitting, by the processor, to the AP data over at least one of the one or more enabled links that is not among the one or more disabled links. 14. A method, comprising:receiving, by an apparatus, from an access point (AP) a frame comprising a multi-link configuration information element (IE) that indicates one or more enabled links as a subset of one or more supported links; selecting, by the apparatus, at least one enabled link of the one or more enabled links; communicating, by the apparatus, with the AP over the at least one enabled link; receiving, by the apparatus, from the AP another frame comprising another multi-link configuration IE that indicates one or more disabled links among the one or more supported links; and transmitting, by the apparatus, to the AP data over at least one of the one or more enabled links that is not among the one or more disabled links. 15. The method of claim 14 , wherein the frame comprises a beacon frame, a probe response frame, an association response frame, or a reassociation response frame. 16. The method of claim 14 , wherein the multi-link configuration IE comprises a respective per-station (STA) traffic identifier (TID)-link mapping information field for each of one or more TIDs associated with the apparatus. 17. The method of claim 16 , wherein the per-STA TID-link mapping information field comprises a TID bitmap subfield and one or more link bitmap subfields, and wherein:the TID bitmap subfield indicates the one or more TIDs, and each of the one or more link bitmap subfields indicates one or more links comprising the one or more enabled links corresponding to the TID on which transmission of data is enabled. 18. The method of claim 14 , further comprising:determining, by a processor of the apparatus, that there is a change with respect to the one or more enabled links; and indicating, by the processor, to the AP one or more new operating links responsive to the determining. 19. The method of claim 18 , wherein the indicating to the AP the one or more new operating links comprises transmitting to the AP a management frame comprising a multi-link operation A-Control field that indicates the one or more new operating links as a subset of one or more changed enabled links corresponding to the TID, wherein the multi-link operation A-Control field comprises a TID bitmap subfield and one or more link bitmap subfields, and wherein:the TID bitmap indicates one or more TIDs with which the one or more link bitmap subfields in the multi-link operation A-Control field are associated, and each of the one or more link bitmap subfields indicates one or more links on which one or more frames corresponding to a respective one of the one or more TIDs associated with the respective link bitmap subfield are transmitted.
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