Doc.: IEEE 802.11-15/0271r4 Submission March 2015 Edward Au (Marvell Semiconductor)Slide 1 Comments on TGay PAR and CSD Date: 2015-03-10 Authors:

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Presentation transcript:

doc.: IEEE /0271r4 Submission March 2015 Edward Au (Marvell Semiconductor)Slide 1 Comments on TGay PAR and CSD Date: Authors:

doc.: IEEE /0271r4 SubmissionSlide 2 This slide deck documents the comments on TGay PAR and CSD, and the corresponding response from NG60 Study Group. Abstract Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 3 Response to comments from 802 EC members Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 4 Comments from Paul Nikolich on PAR Clause 5.2.b: One of the requirements is to maintain or improve power efficiency per station. Power efficiency is defined in the notes, but it is not clear to me what the baseline against it will be assessed. Is it any battery powered device with an interface or some subset thereof (e.g. existing based devices in and around 60GHz)? [Response] Power efficiency of devices compliant with the project will be compared against the power efficiency of devices compliant with the IEEE ad amendment. We accept your comment and please refer to the updated PAR. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 5 Comments from Paul Nikolich on PAR Clause 5.2.b: Coexistence. Will coexistence with c & d based devices be evaluated? [Response] Yes, coexistence with other systems for license-exempt bands above 45 GHz, including c & d and other future amendments, will be evaluated and documented in Coexistence Assurance document. It is documented in clause of CSD. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 6 Response to comments from Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 7 Comments from on CSD Clause 1.2.3: The title of the amendment is temporary and irrelevant to the CSD question so the latest sentence of the first paragraph should be deleted. [Response] We accept the comment and delete the latest sentence of the first paragraph. Clause a): An amendment amends the base standard, not another amendment. Something like “add refinements to” instead of “amend” in the second sentence would be an improvement. [Response] Thank you for your comment. We made the suggested change. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 8 Comments from on CSD Clause b): The answer is not really responsive. This question seeks evidence that technology is sufficiently proven to allow a project to be completed in a reasonable amount of time without need for research, fundamental simulation and modeling. The response indicates that these tasks will be done as part of standards development not as proof of feasibility, leading to the conclusion that it is too early to approve a project. (It is unnecessary to indicate that additional simulation and modeling will be used to validate and refine selected specifications.) [Response] We accept the comment. Please refer to the updated PAR. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 9 Response to comments from Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 10 Comments from on PAR Clause 7.1: ay looks similar to c and e. Please note similarities and differences. [Response] IEEE c-2009, which is an amendment to IEEE , defines operations in 60 GHz bands with a peak PHY date rate of around 5.8 gigabits per second. The similarities are that both IEEE ay and IEEE e define operation in license-exempt 60 GHz band. IEEE ay is differentiated itself from IEEE c that it is the only for WLANs that aims to provide data rates in excess of 20 gigabits per second for point- to-point and point-to-multipoint indoor and outdoor usages for license- exempt bands above 45 GHz. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 11 Comments from on PAR [Response (Cont’d)] IEEE Study Group 3e (SG3e) is established in December 2014, which works on the PHY and MAC amendments of the IEEE for close proximity high-data rate systems. The similarities are that both IEEE ay and IEEE e define operation in license-exempt 60 GHz band. The difference is that the primary objective of IEEE e is to enable close-proximity point-to-point communications with a typical range of 10cm or less, mainly to replace physical connection. IEEE ay, on the other hand, is part of the WLAN network and ecosystem. IEEE ay defines standardized modification to IEEE PHY and MAC for license-exempt bands above 45 GHz and enables point-to-point and point-to-multi-point indoor and outdoor usages with data rates in excess of 20 gigabits per second and a range of 1km, while fully integrated with all other IEEE components and standards. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 12 Response to comments from Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 13 Comments from on PAR Clause 2.1 and 5.2.b: It will be great if you can specify what ‘in and around’ means. Recommendation: Remove ‘in and around’ and change to in the 60 GHz Band as defined by the regulatory requirements. [Response] We address this comment and please refer to the updated PAR. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 14 Response to comments from NesCom members Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 15 Comments from Annette Reilly (NesCom member) on PAR Clause 2.1: The title of the standard refers to “ultra high” throughput. Could this be replaced with a quantified range of throughput? [Response] Unlike standards related to frequencies or voltages, a quantified range of throughput is hard to know in advance. While the scope of work includes a target figure of 20 gigabits per second, the resulting amendment might do substantially better than that and we expect that the range of throughput will be determined by technologies considered during the creation of this amendment. Building a quantified range of throughput into the title of the amendment now might result in a misleading or misrepresentative title. We are changing the title of the amendment to “Enhanced throughput for operation in license-exempt bands above 45 GHz”. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 16 Comments from Annette Reilly (NesCom member) on PAR Clause 5.5: Is swath rather than swathe what is intended? [Response] We address your comment and change the word to “portion”. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 17 Comments from Osama Aboul-Magd (NesCom member) on PAR Clause 2.1: “Ultra high” needs to numerically defined. [Response] Unlike standards related to frequencies or voltages, a quantified range of throughput is hard to know in advance. While the scope of work includes a target figure of 20 gigabits per second, the resulting amendment might do substantially better than that and we expect that the range of throughput will be determined by technologies considered during the creation of this amendment. Building a quantified range of throughput into the title of the amendment now might result in a misleading or misrepresentative title. We are changing the title of the amendment to “Enhanced throughput for operation in license-exempt bands above 45 GHz”. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 18 Comments from Osama Aboul-Magd (NesCom member) on PAR Clause 5.2.b: Second paragraph: change “shall enable” to “enables”. [Response] “Shall enable” is replaced with “while ensuring”. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 19 Comments from Osama Aboul-Magd (NesCom member) on PAR Clause 7.1 IEEE e PAR seems to be of similar scope. May add to section 7.1. [Response] We accept the comment and include IEEE e as a project with similar scope. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 20 Comments from Osama Aboul-Magd (NesCom member) on PAR Clause 7.1 How this project is different from those identified with similar scopes? [Response] IEEE c-2009, which is an amendment to IEEE , defines operations in 60 GHz bands with a peak PHY date rate of around 5.8 gigabits per second. ECMA TC GHz specifies a PHY, distributed MAC sublayer and an HDMI protocol adaptation layer for 60 GHz wireless network that supports a maximum achievable PHY throughput of 6.35 gigabits per second. IEEE d is an ongoing project that defines wireless switched point-to- pint PHY to IEEE at a nominal PHY data rates of 100 gigabits per second with fallbacks to lower data rates as needed. Operation is considered in both licensed and unlicensed bands from 60 GHz up to and including optical wireless. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 21 Comments from Osama Aboul-Magd (NesCom member) on PAR [Response (Cont’d)] IEEE aj is an ongoing project in IEEE specifically focused on the Chinese market. It defines standardized modifications to IEEE PHY and MAC that allows applications to operate in the Chinese 45 GHz and GHz frequency bands. IEEE e is established in December 2014, which works on the PHY and MAC amendments of the IEEE for close proximity high-data rate systems. Their primary objective is to enable close-proximity point-to- point communications with a typical range of 10cm or less. IEEE ay is different from the aforementioned IEEE 802 wireless standards/projects and ECMA projects in that it is specific for WLANs and aims to provide data rates in excess of 20 gigabits per second for point-to- point and point-to-multipoint indoor and outdoor usages for license-exempt bands above 45 GHz. Edward Au (Marvell Semiconductor) March 2015

doc.: IEEE /0271r4 SubmissionSlide 22 Comments from Andrew Myles (NesCom member) on PAR Clause 2.1: What is “ultra high”? [Response] Since this project will result in a wireless LAN system with significantly higher throughput than is provided by a, b, g, n, ac, and ad wireless networks, the term “ultra high” was used to differentiate itself from other IEEE 802 wireless standards, which stresses the specification of higher throughput wireless LAN technology for license-exempt bands above 45 GHz. Unlike standards related to frequencies or voltages, a quantified range of throughput is hard to know in advance. While the scope of work includes a target figure of 20 gigabits per second, the resulting amendment might do substantially better than that and we expect that the range of throughput will be determined by technologies considered during the creation of this amendment. Building a quantified range of throughput into the title of the amendment now might result in a misleading or misrepresentative title. However, we are changing the title of the amendment to “Enhanced throughput for operation in license-exempt bands above 45 GHz”. Edward Au (Marvell Semiconductor) March 2015