Regulatory Concern of 11bc in Japan - IEEE 802.11-21/1939r1
This document discusses the regulatory concern of implementing 11bc in Japan under the IEEE 802.11-21/1939r1 standard. It covers the operation modes defined by Japanese radio regulations, equipment regulations for WLAN systems, and the call for relevant information in other regulatory areas.
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Nov 2021 doc.: IEEE 802.11-21/1939r1 Regulatory concern of 11bc in Japan Date:2021-11-30 Authors: Name Hiroshi Mano Affiliations Koden-TI Address Phone email mano@koden-ti.com Submission Slide 1 Hiroshi Mano, Koden-TI
Nov 2021 doc.: IEEE 802.11-21/1939r1 Abstract This document describe a regulatory concern of 11bc in Japan. Submission Slide 2 Hiroshi Mano, Koden-TI
Nov 2021 doc.: IEEE 802.11-21/1939r1 Operation mode Japanese radio regulations defines five commutation operation methods as follows. 1. Single-way A Single-way system is a system in which only transmissions are made to a single receiver. 2. Simplex Simplex transmission is a method of communication in which transmissions are made alternately in opposite directions. 3. Duplex A duplex system is one in which transmissions are made simultaneously in opposite directions. 4. Half-Duplex A half-duplex system is a system in which the transmission is simplex at one end of the communication channel and duplex at the other end. 5. Simultaneous communication system A simultaneous communication system means a communication system in which only the transmission of a call with the same content is made to two or more specific receiving facilities simultaneously. Submission Slide 3 Hiroshi Mano, Koden-TI
Nov 2021 doc.: IEEE 802.11-21/1939r1 Equipment regulation or wireless LAN system The WLAN system shall be operated in single-way, simplex, duplex, half-duplex, or combination of those. Simultaneous communication system is not adopted for WLAN. 2021 Aug 31st Japanese MIC revised the equipment regulation and Simultaneous communication system is adopted for WLAN There are no any reasons why a simultaneous communication system is not adopted. No one expected to use WLAN for simultaneous communication systems when this regulation was drafted. The equipment regulation is a regional (country)specific issue. At least Japan has this issue at this moment, and FCC does not have it. In Japan, we are discussing with MIC and, they may change the regulation to address the market requirement. Slide 4 Submission Hiroshi Mano, Koden-TI
Nov 2021 doc.: IEEE 802.11-21/1939r1 Request for information Call for relevant information in other regulatory area. Submission Slide 5 Hiroshi Mano, Koden-TI
