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Doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 1 Coexistence in 950MHz-958MHz in Japan Authors: Date:

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Presentation on theme: "Doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 1 Coexistence in 950MHz-958MHz in Japan Authors: Date:"— Presentation transcript:

1 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 1 Coexistence in 950MHz-958MHz in Japan Authors: Date: December 07, 2010 NameCompanyAddressPhoneemail Stefan Aust NEC Communication Systems, Ltd. 1753 Shimonumabe, Nakahara-ku, Kawasaki, Kanagawa 211-8666, Japan +81 44 435 1177aust.st@ncos.nec.co.jp

2 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 2 Objective This contribution introduces coexistence issues following the IEEE 802.11ah Call for Proposals [1] This contribution introduces coexistence issues in the 950MHz-958MHz frequency band as specified in ARIB STD-T96 version 1.0 (English translation) [2] and ARIB STD-T96 version 1.1 (Japanese version) [3] This revision replies to the questions which have been discussed in DCN#1420r1 [5].

3 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 3 About IEEE 802.11ah Scope: This amendment defines an OFDM PHY operating in the license- exempt bands below 1 GHz, e.g., 868-868.6 MHz (Europe), 950-958 MHz (Japan), 314-316 MHz, 430-434 MHz, 470-510 MHz, and 779-787 MHz (China), 917-923.5 MHz (Korea) and 902-928 MHz (USA) and enhancements to the IEEE 802.11 MAC to support this PHY, and provides mechanisms that enable coexistence with other systems in the bands including IEEE 802.15.4 and IEEE P802.15.4g. [1]

4 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 4 ARIB STD-T96 [2] This standard is established principally for ‘950MHz- band telemeter, telecontrol and data transmission radio equipment for specified low power radio station’. Radio equipment regulated in this standard uses the frequency of 950MHz-956MHz.

5 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 5 ARIB STD-T96 [2] Operation of the standard system: (a) Short range communication system PAN IEEE 802.15.4 Zigbee(TM) (b) Active tag system

6 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 6 ARIB STD-T96 [2], [3] ItemParameters and functionality (ARIB STD-T96 Version 1.0) Parameters and functionality (ARIB STD-T96 Version 1.1) Frequency band 950MHz-956MHz950.8MHz-957.6MHz Output power 1mW 10mW (only for 954MHz- 955MHz) 1mW 10mW (only for 954MHz- 957.6MHz) ContentsData signal Antenna gain 3dB or less (absolute gain) Modulation system Not specified

7 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 7 Questions Q1: There is a difference in the frequency spectrum between ARIB STD-T96 version 1.0 and ARIB STD-T96 version 1.1. Why? A1: Unused spectrum which was formerly assigned to Personal Digital Cellular (PDC) has been added to the tag system spectrum. Q2: Is there any use of OFDM systems in the ARIB STD-T96? A2: ARIB STD-T96 does not specify any modulation system. ARIB STD-T96 [2] lists PAN, IEEE 802.15.4, Zigbee(TM) and active tag systems as operation systems.

8 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 8 Personal Digital Cellular (PDC) tag system PDC PDC (956MHz~958MHz) unused ~950956957 IMT-2000 958[MHz] Studio to Transmitter Link (STL) tag system ~950956957 IMT-2000 958[MHz] Studio to Transmitter Link (STL)

9 doc.: IEEE 802.11-10/1420r3 December 2010 Stefan Aust, NEC Communication Systems Submission Slide 9 References [1]IEEE P802.11 Wireless LANs, IEEE 802.11ah Call for proposals, IEEE 802.11-10/1373r0, 11.11.2010 [2]Association of Radio Industries and Businesses (ARIB), “950MHz-Band Telemeter, Telecontrol and Data Transmission Radio Equipment for Specified Low Power Radio Station”, English translation, ARIB Standard, ARIP STD-T96 Version 1.0, version 1.0, June 26, 2008. Published by Association of Radio Industries and Businesses, Tokyo, Japan [3] Association of Radio Industries and Businesses (ARIB), “950MHz-Band Telemeter, Telecontrol and Data Transmission Radio Equipment for Specified Low Power Radio Station”, Japanese version (no English translation available at this moment), ARIB Standard, ARIB STD-T96, Version 1.1, 15.7.2010 [4] Association of Radio Industries and Businesses (ARIB), “950MHz-Band Telemeter, Telecontrol and Data Transmission Radio Equipment for Specified Low Power Radio Station”, Japanese version, ARIB Standard, ARIP STD-T96 Version 1.0, version 1.0, June 6, 2008. Published by Association of Radio Industries and Businesses, Tokyo, Japan [5]IEEE P802.11 Wireless LANs, Coexistence in 950MHz-958MHz in Japan, IEEE 802.11- 10/1420r1

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