平成30年6月 November 2009 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Revised technical requirements of Japanese regulation for 950MHz Date Submitted: November 16th, 2009 Source: [Shigeru Fukunaga], Company [Oki Electric Industry Co., Ltd.] Contact: Shigeru Fukunaga, Oki Electric Industry Co., Ltd. Voice: +81 6 6260 0700; E-Mail: fukunaga444@oki.com; Re: 15-09-0235-01-004g-technical-requirements-of-japanese-regulation-for-950mhz-low-power-active-radio-systems Abstract: Presentation of revised technical requirements for 950 MHz low power radio systems. Purpose: To encourage discussion. 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. Shigeru Fukunaga, OKI

Revised technical requirements of Japanese regulation for 950 MHz November 2009 Revised technical requirements of Japanese regulation for 950 MHz Shigeru Fukunaga OKI Shigeru Fukunaga, OKI

November 2009 Abstract MIC is discussing to revise 950MHz regulation in Japan. Main revisions are Relaxation of some technical requirements, and Expansion of frequency channels. As revised regulation would be expected to be issued around 2010/2Q, it’s better TG4g refers new regulation. FYI, I show the draft of revised regulation (only for SRD) at this time. Shigeru Fukunaga, OKI

1. Relaxation of Technical Requirements November 2009 1. Relaxation of Technical Requirements Background 950MHz band is used with RFID Passive tag systems. As current regulation of SRD is based on that of RFID, some requirements are not appropriate for SRD. Shigeru Fukunaga, OKI

In Progress 1-1 Carrier Sense Time November 2009 1-1 Carrier Sense Time Current Antenna Power Carrier Sense Time Sending Duration Pausing Duration Amount of Sending Time summed for 1 hour 10mW or less 10ms or more 1s or less 100ms or more 1mW or less 128us or more 100ms or less 360s or less (Duty ratio: 10% or less） 3.6s or less (Duty ratio: 0.1% or less） In Progress Draft Antenna Power Carrier Sense Time Sending Duration Pausing Duration Amount of Sending Time summed for 1 hour 10mW or less 10ms or more 1s or less 100ms or more 128us or more 100ms or less 360s or less (Duty ratio: 10% or less） 1mW or less No change These requirements could be changed. Shigeru Fukunaga, OKI

1-2 Maximum Channel Width November 2009 1-2 Maximum Channel Width Maximum Channel width Current: 600kHz (3 channels) Draft: 1MHz (5 channels) In Progress 1mW case adjacent channel power less than -26dBm dBm/100kHz 200kHz 200 kHz 200 kHz 200 kHz 200 kHz 200 kHz 200kHz 10 output power at antenna connector input -10 -39dBm/100kHz ( |f-fc| > 200+100x(n-1) ) -20 -30 -40 -50 kHz fc-200 fc+200 fc Lower adjacent unit channel Upper adjacent unit channel Shigeru Fukunaga, OKI

2. Expansion of Frequency Channels November 2009 2. Expansion of Frequency Channels Background 956～958MHz PDC is not used now. 958～960MHz STL has plan to move in 2015. Draft in progress SRD’s channels would be expanded to 958MHz in this revision. 951 952 953 954 955 956 957 958 959 960 Aeronautical Radio Personal Digital Cellular Studio to Transmitter Link 1mW SRD 10mW SRD Current Assignment Shigeru Fukunaga, OKI

Revised Channel assignment (draft) November 2009 Revised Channel assignment (draft) In Progress Shigeru Fukunaga, OKI

Current Regulation (copy from 15-09-0235-01-004g) November 2009 Shigeru Fukunaga, OKI

General conditions Communication method Contents of communications November 2009 General conditions Communication method One-way method, simplex method, duplex method, semi-duplex method, or broadcast Contents of communications Primarily the signals for telemeter, telecontrol, and data transmission system. Modulation system Not specified. Operating Frequency band 950 MHz – 956 MHz Usage environment condition Shigeru Fukunaga, OKI

Transmitter (1/5) Antenna power (at antenna connector) November 2009 Transmitter (1/5) Antenna power (at antenna connector) 1mW or less Exceptionally, allowed to be 10mW or less for radio channels consisting of only unit radio channel which center frequencies are from 954.2MHz to 954.8MHz Tolerance of antenna power Upper bound: 20%, Lower bound: -80% Frequency tolerance Within 20 x 10-6 Modulation method Not specified. Occupied frequency bandwidth Less than (200 x n) kHz (n is integer from 1 to 3) Shigeru Fukunaga, OKI

Transmitter (2/5) Radio channel November 2009 Transmitter (2/5) Radio channel Up to 3 consecutive unit radio channels Unit radio channels are defined that their center frequency are located from 951.0MHz to 955.6MHz with 200kHz separation and their bandwidth are 200kHz. For 1mW For 10mW Shigeru Fukunaga, OKI

Transmitter (3/5) Adjacent channel leakage power November 2009 Transmitter (3/5) Adjacent channel leakage power Level of channel edge: 20dBc Leakage power of adjacent channel: less than -26dBm for 1mW case less than -18dBm for 10mW case 1mW case (200 x n) kHz Shigeru Fukunaga, OKI

Transmitter (4/5) Adjacent channel leakage power 10mW case November 2009 Transmitter (4/5) Adjacent channel leakage power 10mW case (200 x n) kHz Shigeru Fukunaga, OKI

Transmitter (5/5) Spurious emission strength (at antenna connector) November 2009 Transmitter (5/5) Spurious emission strength (at antenna connector) f <= 1000MHz -36dBm/100kHz (except for 710MHz < f <= 960MHz) 710MHz < f <= 945MHz -55dBm/MHz　 945MHz < f <= 950MHz -55dBm/100kHz　 950MHz < f <= 956MHz -39dBm/100kHz (except for |f-fc|<= 200+100x(n-1)kHz) 956MHz < f <= 958MHz -55dBm/100kHz　 958MHz < f <= 960MHz -58dBm/100kHz　 1GHz < f -30dBm/MHz (except for 1884.5MHz < f <= 1919.6MHz) 1884.5MHz < f <= 1919.6MHz -55dBm/MHz Shigeru Fukunaga, OKI

Receiver (1/1) Conducted spurious component at receiver November 2009 Receiver (1/1) Conducted spurious component at receiver f <= 1000MHz -54dBm/100kHz (except for 710MHz < f <= 960MHz) 710MHz < f <= 945MHz -55dBm/MHz　 945MHz < f <= 950MHz -55dBm/100kHz　 950MHz < f <= 956MHz -54dBm/100kHz 956MHz < f <= 958MHz -55dBm/100kHz　 958MHz < f <= 960MHz -58dBm/100kHz　 1GHz < f -47dBm/MHz (except for 1884.5MHz < f <= 1919.6MHz) 1884.5MHz < f <= 1919.6MHz -55dBm/MHz Shigeru Fukunaga, OKI

Controller (1/4) Sending control 10 ms carrier sense November 2009 Controller (1/4) Sending control 10 ms carrier sense Radio equipment shall stop its emission of radio signal within 1s after it starts to emit. It shall wait 100 ms or more for the consecutive emission. However, it may emit again without waiting 100ms, if it is within 1 s after its first emission and the emission is finished within this 1 s interval. 128 us carrier sense Radio equipment shall stop its emission of radio signal within 100 ms after it starts to emit. It shall wait 100 ms or more for the consecutive emission. The amount of sending time summed for 1 hour shall be 360 s or less. However, it may emit again without waiting 100 ms, if it is within 100 ms after its first emission and the emission is finished within this 100 ms interval. No carrier sense Radio equipment shall stop its emission of radio signal within 100 ms after it starts to emit. It shall wait 100 ms or more for the consecutive emission. The amount of sending time summed for 1 hour shall be 3.6 s or less. Comments Duty cycle is specified by each node, not by each carrier sense mode. Duty cycle is specifie1d in arbitrary 1 hour period, not in previous 1 hour period. Shigeru Fukunaga, OKI

Controller (2/4) Carrier sense (Energy detection) November 2009 Controller (2/4) Carrier sense (Energy detection) Radio equipment shall check the interference existence by the carrier sense procedure before its new transmission. Career sense shall be done to all of the unit radio channels including its emitted signal. Carrier sense time shall be 128 us or more when the antenna power is 1mW or less. Carrier sense time shall be 10ms or more when the antenna power is more than 1mW. Carrier sense level that is amount of received power at all of unit radio channels including its emitted signal shall be -75dBm at the antenna input. Carrier sense is not necessary if both of the conditions below are satisfied. Antenna power is 1mW or less It complies with the sending control for no carrier sense case. Shigeru Fukunaga, OKI

November 2009 Controller (3/4) This table shows possible combination of sending control and carrier sense time. Shigeru Fukunaga, OKI

Controller (4/4) Interference protection November 2009 Controller (4/4) Interference protection Radio equipment shall have a function that can send or receive identification code. Comment The detail of ‘Identification code’ in this term is not specified. Short address of IEEE802.15.4 is OK. Shigeru Fukunaga, OKI

Antenna Antenna gain Less than 3dBi. November 2009 Antenna Antenna gain Less than 3dBi. However, in case EIRP is less than the value 3dBi added by the above defined maximum antenna power, it is allowed to compensate the difference by the antenna gain. For example When the measured antenna power is 6dBm then antenna gain is allowed to be increased up to 7dBi. Shigeru Fukunaga, OKI

Reference: Operational Guidelines (1/3) November 2009 Reference: Operational Guidelines (1/3) 1. Overview 1.1 Purpose The purpose of this operational guideline is to avoid the harmful interferences to other neighboring systems or other specified low power radio stations and to achieve the efficient usage of radio and to provide the user convenience when operating 950MHz-band telemeter, telecontrol and data transmission radio equipment for specified low power radio station (call it ‘specified low power radio station’ below) 1.2 Scope of application This operational guideline is applied to user and agency of manufacture and distributor, constructor, operator and agency of maintenance of specified low power radio station. 1.3 Target system The target system of this operational guideline is following. (1) 950MHz-band telemeter, telecontrol and data transmission radio equipment for specified low power radio station: ARIB STD-T96 Shigeru Fukunaga, OKI

Reference: Operational Guidelines (2/3) November 2009 Reference: Operational Guidelines (2/3) 2. Avoiding interference It is desirable that the radio station specified in this standard does not use channel 7, 8, 9, 10, 11, 12, 13, 14 and 15 in consideration of the interference received from the premises radio station specified by STD-T89. If channel 8 or channel 14 is used by premises radio station employing sub-carrier method, it is desirable that the radio station specified in this standard does not use channel 7 and 9 or channel 13 and 15 as much as possible in consideration of the interference given to the premises radio station because these channels are used by very weak response signals of the passive tag. Appendix table 1 shows the channel plan of “950MHz-band RFID equipment for premises radio station”, “950MHz-band RFID radio equipment for specified low power radio station” and “950MHz-band telemeter, telecontrol and data transmission radio equipment for specified low power radio station”. Shigeru Fukunaga, OKI

Reference: Operational Guidelines (3/3) November 2009 Reference: Operational Guidelines (3/3) 3. Influence to medical equipments To avoid the influence to medical equipments, it is desirable to act properly according to the guideline of action described in “Study Report on the Effect of Radio Waves on Medical Devices”(Note1). (Note1): When issuing version 1.0 of this standard (6th June, 2008), it indicates the report issued by MIC on March, 2004. However, when it is revised, it indicates the latest version. 4. Protection of privacy For protection of privacy, it is desirable to act properly according to “Guidelines for Privacy Protection with Regard to RFID Tags”(Note2).　　 (Note2): When issuing version 1.0 of this standard (6th June, 2008), it indicates the guideline issued by MIC and METI on 8th June, 2004. However, when it is revised, it indicates the latest version. Shigeru Fukunaga, OKI