DISCUSSION: The sentence in question states: SU-MIMO beamforming, the steering matrix is determined by “For Qk The commenter is correct that this statement is too strong, for either the beamforming feedback matrix Vk”. SU or MU beamforming. PROPOSED RESOLUTION: On 288.12 change determined by” to be determined from” “is “can On 288.47 change be determined by” to be determined from” “can “can On 289.11 change beamformer uses this matrix to determine” to beamformer can use this matrix to “the Vk,1 Vk,1 “the determine” CID Clause Page Comment Proposed Change Resolution 7064 Brian 22.3.11.1 288.28 u is usually used for Change i to u in the equation Hart user aka BFee and below DISCUSSION: Commenter is correct that is used for user indexing elsewhere in Clause 22, whereas in the “u” 22.3.11.1 and 22.3.11.2 the indexes and are instead used. Furthermore, the indexing is “i” “j” “0,.., N_{u} 1” instead of the ..,. N_u” in this particular section. – “1, PROPOSED RESOLUTION: In 22.3.11.1 and 22.3.11.2 , change all indexes to change all indexes to “i” “u”, “j” and change all indexing ..,. N_u” to N_{u} 1”. “us”, “1, “0,.., – CID Clause Page Comment Proposed Change Resolution 7065 22.3.11.2 289.21 What is "MU BFer Rewrite as "If STA Hart Capability"? advertizes SU BFer Capable equal to 1, BFer shall support blah1. If STA advertizes MU BFer Capable equal to 1, BFer shall support blah2."
DISCUSSION: The sentence in question states: “For SU-MIMO beamforming, the steering matrix Qk is determined by the beamforming feedback matrix Vk”. The commenter is correct that this statement is too strong, for either SU or MU beamforming. PROPOSED RESOLUTION: On 288.12 change “is determined by” to “can be determined from” On 288.47 change “can be determined by” to “can be determined from” On 289.11 change “the beamformer uses this Vk,1 matrix to determine” to “the beamformer can use this Vk,1 matrix to determine” CID Clause Page Comment Proposed Change Resolution 7064 Brian Hart 22.3.11.1 288.28 u is usually used for user aka BFee Change i to u in the equation and below DISCUSSION: Commenter is correct that “u” is used for user indexing elsewhere in Clause 22, whereas in the 22.3.11.1 and 22.3.11.2 the indexes “i” and “j” are instead used. Furthermore, the indexing is “0,.., N_{u} – 1” instead of the “1, ..,. N_u” in this particular section. PROPOSED RESOLUTION: In 22.3.11.1 and 22.3.11.2 , change all “i” indexes to “u”, change all “j” indexes to “us”, and change all indexing “1, ..,. N_u” to “0,.., N_{u} – 1”. CID Clause Page Comment Proposed Change Resolution 7065 Hart 22.3.11.2 289.21 What is "MU BFer Capability"? Rewrite as "If STA advertizes SU BFer Capable equal to 1, BFer shall support blah1. If STA advertizes MU BFer Capable equal to 1, BFer shall support blah2."
11-12-1380-00-00ac-lb189-mu-comment-resolution.docx