1. 平成30年11月
doc.: IEEE /424r1
May 2007
Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: Progress of Japanese Committee
Date Submitted: May 14, 2007
Source: Shigeru Fukunaga, Oki Electric Industry Co., Ltd.
Contact: Shigeru Fukunaga, Oki Electric Industry Co., Ltd.
Voice: ;
Re: d-delay-japanese-950mhz-regulation
Abstract: Introduction of progress of Japanese 950 MHz regulation.
Purpose: To encourage discussion.
Notice: This document has been prepared to assist the IEEE P 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 P
Shigeru Fukunaga, OKI
Stuart J. Kerry - Philips Semiconductors, Inc.

2. Progress of Japanese Committee
May 2007
Progress of Japanese Committee
Shigeru Fukunaga
OKI
Shigeru Fukunaga, OKI

3. Abstract No formal meeting in Japanese committee of MIC.
May 2007
Abstract
No formal meeting in Japanese committee of MIC.
We have some informal discussion for each other in Japan.
Shigeru Fukunaga, OKI

4. Current Issues of MIC committee
May 2007
Current Issues of MIC committee
2 issues for high efficiency use
Short carrier sense for LR-WPAN
Channel allocation for sub carrier RFID system
Shigeru Fukunaga, OKI

5. Discussing Regulation for LR-WPAN (1/3)
May 2007
Discussing Regulation for LR-WPAN (1/3)
Same to London meeting
Maximum power
1mW, 10mW
Frequency band
1mW: – MHz
10mW: – MHz
In Progress
1mW
10mW
Shigeru Fukunaga, OKI

6. Discussing Regulation for LR-WPAN (2/3)
May 2007
Discussing Regulation for LR-WPAN (2/3)
Same to London meeting
Signal bandwidth
Less than (200×n) kHz (n: number of unit channels, n=1,2,3)
Channel mask
In Progress
1mW
10mW
-39ｄBm/100kHz
-20dBm fc
-20dBc
200kHz
fc-200kHz
0dBm
-26dBm/200kHz
fc+200kHz
-39ｄBm/100kHz
-10dBm fc
-20dBc
200kHz
fc-200kHz
10dBm
-18dBm/200kHz
fc+200kHz
Shigeru Fukunaga, OKI

7. Discussing Regulation for LR-WPAN (3/3)
May 2007
Discussing Regulation for LR-WPAN (3/3)
Same to London meeting
Carrier sense level: -75dBm
Carrier sense time: 10ms
Transmission control
After sending less than 1s, it has to pose more than 100ms.
In Progress
Shigeru Fukunaga, OKI

8. May 2007
Schedule
Not decided in formal
Shigeru Fukunaga, OKI