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VLC Regulations Resolution Proposal for WPANs

This document presents a proposal resolving LB50 comments related to VLC Regulations 5.7 and Annex I for Wireless Personal Area Networks (WPANs). It addresses eye/skin safety issues and flicker concerns. Recommendations are provided for editors to enhance the regulatory annex.

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VLC Regulations Resolution Proposal for WPANs

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [LB50 Comment Resolution related to VLC Regulations 5.7 and Annex I] Date Submitted: [July, 2010] Source: [Tae-Gyu Kang, Sang-Kyu Lim, Dae Ho Kim, Il Soon Jang, You Jin Kim] Company [ETRI] Address [138 Gajeongno, Yuseong-gu, Daejeon, 305-700] Voice:[+82-42-860-5232], FAX: [+82-42-860-5218], E-Mail: [tgkang@etri.re.kr] Re: [Response to resolve LB50 Comments] Abstract: [This document proposes a LB50 Comment Resolution related VLC Regulations 5.7 and Annex I] Purpose: [Proposal to resolve LB50 Comment] Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. Tae-Gyu Kang et al., ETRI

  2. LB50 Comment Resolution related to VLC Regulations 5.7 and Annex I Tae-Gyu Kang tgkang@etri.re.kr ETRI Tae-Gyu Kang et al., ETRI

  3. Regulation related CIDs • CIDs: 190, 194, 195, 868, 868a • 5.7 Regulations (Informative) • Annex I VLC Regulatory Annex Tae-Gyu Kang et al., ETRI

  4. CID 190 • Recommendation/Instruction to editor • Add local and regional regulations to Annex I from IEEE P802.15-09-0202-03-0007 VLC Regulation Document Configuration Tae-Gyu Kang et al., ETRI

  5. CID 194 • Recommendation/Instruction to editor • There are two eye/skin safety issues related to VLC regulations: Tae-Gyu Kang et al., ETRI

  6. CID 195 • Recommendation/Instruction to editor • Delete bibliography references such as • Flicker is an impression of unsteadiness of visual sensation induced by a light stimulus whose luminance or spectral distribution fluctuates with time [B47] . The flicker threshold frequency (CFF, a.k.a. flicker fusion threshold) is the frequency at which an intermittent light stimulus appears to be completely steady to the observer. Flicker may cause harmful health impacts: visual discomfort [B44] , eyestrain [B43] , headache [B45] , increase in speed and decrease in performance of mental tasks (reading comprehension) [B42] , repetitive behavior of autistic children [B40] , and photosensitive epilepsy (2% of all epilepsy cases) [B38] . • It is suggested that the flicker due to VLC transmission not fall within the modulation frequency region defined by a lower cut-off frequency (onset of photoepilepsy) [B38] and an upper cut-off frequency (highest frequency for ecr responses) that is, a device compliant to this standard should not exhibit modulation rates between these lower and upper cut-off frequencies. • This standard does not specify flicker nor light intensity; rather, the reader is referred to the following references:[B37] [B38] . Tae-Gyu Kang et al., ETRI

  7. CID 868, 868a • Recommendation/Instruction to editor • Same as CID 190 • Add local and regional regulations to Annex I from IEEE P802.15-09-0202-03-0007 VLC Regulation Document Configuration Tae-Gyu Kang et al., ETRI

  8. Summary and Next Step • CIDs: 190, 194, 195, 868, 868a • 5.7 Regulations (Informative) • Annex I VLC Regulatory Annex • Next Step • Add local and regional regulations to Annex I from IEEE P802.15-09-0202-03-0007 VLC Regulation Document Configuration Tae-Gyu Kang et al., ETRI

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