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[null,"IEEE P802.11 Wireless LANs"]
[null,"Submission"]
["Designator:","doc.: IEEE 802.11-21/0432r0"]
["Venue Date:","March 2021"]
["First Author:","Nancy Lee, Signify"]
[]
["Subject:","Comments on light interface and channel numbering in D0.3"]
["Full Date:","2021-03-10"]
["Author(s):","Nancy Lee, Rob Davies, Matthias Wendt"]
[null,"Signify"]
[null,"Address"]
[null,"Phone: "]
[null,"Fax: "]
[null,"nancy.lee@signify.com, rob.j.davies@signify.com, matthias.wendt@signify.com"]
["Abstract:"]

{"sheet":"Comments against D0.3","index":1,"n_rows":10,"n_cols":16,"rows_kept":10,"cut":false,"hidden":false,"merged":[]}
["CCI","Date","SA PIN","Name","Comment","Category","Page Number","Subclause","Line Number","Proposed Change","MBS","TG Decision","TE suggested action","Changes in the draft","Assigned to ","Editors"]
[1,null,null,"Nancy Lee","Clarify that Figure 1 is an example implementation","Technical",18,"32.3.2.3.8",12,"Change as follows: “Figure 1 illustrates shows an example of how a light emitting diode (LED) can be is connected to the TX OFDM PHY and a photo diode (PD) to the RX OFDM PHY. Also, other light emitting and light collecting devices may be used.” ",null,"Reject",null,"None, resolved by comment No. 2 ","Chong Han (change Fig.1)","Replace P18L12-13 by \"Figure 1 shows an example of how a light emitting diode (LED) can be connected to the TX OFDM PHY and a photodetector (PD) to the RX OFDM PHY.\" and change \"photo diode\" by \"photodetector\" in Fig. 1"]
[2,null,null,"Nancy Lee","Generalize text and Figure 1 to OFEs","Technical",18,"32.3.2.3.8",12,"Change as follows: “Figure 1 illustrates shows an example of how a light emitting diode (LED) a transmit optical front end can be is connected to the TX OFDM LC PHY and how a receive optical front end can be connected a photo diode (PD) to the RX OFDM LC  PHY. A transmit optical front end may for example consist of a power amplifier (PA) and a light emitting diode (LED). A receive optical front end may for example consist of a photo diode (PD) and a trans impedance amplifier (TIA).” \nAlso in Figure 1, replace PA/LED with a block labeled \"TX OFE\" and replace PD/TIA with a block labeled \"RX OFE\"",null,"Revise",null,"Replace P18L12-13 by “Figure 1 shows an example of how a transmit optical front end can be connected to the TX LC PHY and how a receive optical front end can be connected to the RX LC  PHY. A transmit optical front end may for example consist of a power amplifier (PA) and a light emitting diode (LED). A receive optical front end may for example consist of a photo diode (PD) and a trans-impedance amplifier (TIA).” \nAlso in Figure 1, replace PA/LED with a block labeled \"TX OFE\" and replace PD/TIA with a block labeled \"RX OFE\""]
[3,null,null,"Nancy Lee","Clarify that other transmitter and receiver implementations are possible such as the options described in 32.3.3.3.23.2 for multiple LEDs and multiple PDs.","Technical",18,"32.3.2.3.8",13,"Append to the paragraph: \"The actual structure of the transmitter and receiver is implementation dependent. For example, multiple LEDs or PDs may be used.\"",null,"Reject",null,null,null,"Does Clause 17 support multiple trnaceivers?"]
[4,null,null,"Nancy Lee","Wrong PHY is referenced in Figure 1","Technical",18,"32.3.2.3.8",14,"Change “Clause 17 OFDM PHY” to “LC CM PHY”, two times in the figure.",null,"Accept"]
[5,null,null,"Nancy Lee","Inconsistent capitalization","Editorial",23,"32.3.3.3.23",10,"Change subclause 32.3.3.3.23 title to “Light interface” to align with 32.3.2.3.8 (Light interface)",null,"Accept"]
[6,null,null,"Nancy Lee","The term \"TX and RX streams\" is not defined and multiple TX and RX streams should not be mandated for LC HE PHY","Technical",23,"32.3.3.3.23.1",11,"Delete subclause heading 32.3.3.3.23.1 and sentence \"The light interface shall be an extension of the light interface described in 32.3.2.3.8 Light Interface to multiple TX and RX streams\" (i.e., lines 10-12) and replace with “The HE light interface is described in 32.3.2.3.8 (Light interface).”",null,"Revise",null,"Delete subclause heading 32.3.3.3.23.1 and replace the sentence \"The light interface shall be an extension of the light interface described in 32.3.2.3.8 Light Interface to multiple TX and RX streams\" (i.e., lines 10-12) by “The HE light interface is described in 32.3.2.3.8 (Light interface).”"]
[7,null,null,"Nancy Lee","baseband generation and processing of “streams” multiple transmitters, multiple receivers, and/or on different wavelengths is not defined and out of scope","Technical",23,"32.3.3.3.23.2",13,"Delete the entire subclause 32.3.3.3.23.2 (Multiple transmitters and receivers) heading and comments, i.e., page 23 line 10 through page 24 line 4",null,"Revised",null,"On P23L14 insert \"an example of\" after \"Figure 3 shows\" and after \"Figure 4 shows\" and apply the same changes to Fig. 3+4 like in Fig.1, i.e. replace LED and PA by TX OFE and Photo diode and TIA by RX OFE"]
[8,null,null,"Nancy Lee","An LC STA may not support all channels and bandwidths defined for the LC PHY. Define operating classes for LC so that they can be used in Country element to specify the channels and bandwidths supported by the LC STA.","Technical",24,"32.3.3.3.24",6,"Append to the paragraph: \"The set of valid operating channel numbers is defined in Annex E.\"\nAlso obtain assignment of 4 reserved values and insert rows in Annex E subclause E.1 (Country information and operating classes) Table E-4 (Global operating classes) as shown in 11-21/0381r0 slide 14 for operating class values 140-143, substituting the assigned values. If possible ensure that the next consecutive unused operating class value is reserved for future LC use for 320 MHz channel spacing.  Ask Robert Stacey for valid ANA for this purpose \n",null,"Revise",null,"Append to the paragraph: \"The set of valid operating channel numbers is defined in Annex E.\". Also obtain assignment of 4 reserved values and insert rows in Annex E subclause E.1 (Country information and operating classes) Table E-4 (Global operating classes) as shown in 11-21/0381r0 slide 14 for operating class values 140-143, substituting <ANA> for these numbers. For the Technical Editor: Ask Robert Stacey for valid ANA values for this purpose and ensure that the next consecutive unused value is reserved for future LC use for 320 MHz channel spacing."]
[9,null,null,"Nancy Lee","LC channel numbers need to be integers and should align with 11ax channel numbering to the extent possible","Technical",25,"32.3.3.3.24",1,"Replace Table 2 contents with the contents of the table shown in 11-21/0381r0 slide 8 (choose either 68-96 or 100-128) or slide 9",null,"Revise",null,"Replace Table 2 contents with the contents of the table shown in 11-21/0381r0 slide 9"]

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["References:"]
["11-21/0379r0"]
["11-21/0381r0"]
["P802.11bb D0.3"]