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Association of Radio Industries and Businesses (ARIB)

UWB (ULTRA-WIDEBAND)

RADIO SYSTEMS

ARIB STD-T91

 

ARIB  STANDARD

ENGLISH TRANSLATION

Established on December 12

th

, 2006

ARIB STD-T91 Ver. 1.0

Содержание 8494B

Страница 1: ...Association of Radio Industries and Businesses ARIB UWB ULTRA WIDEBAND RADIO SYSTEMS ARIB STD T91 ARIB STANDARD ENGLISH TRANSLATION Established on December 12th 2006 ARIB STD T91 Ver 1 0 ...

Страница 2: ... purpose of convenience of users If there are any discrepancies in the content expressions etc between the Japanese original and this translated document the Japanese original shall prevail 4 The establishment revision and abolishment of ARIB Standards and Technical Reports are approved at the ARIB Standard Assembly which meets several times a year Approved ARIB Standards and Technical Reports in ...

Страница 3: ...unication operators broadcasting equipment manufacturers broadcasters and general users An ARIB STANDARD herein is published as UWB Ultra Wideband Radio Systems In order to ensure fairness and transparency in the defining stage the standard was decided by consensus of the standard council with participation of interested parties including radio equipment manufacturers telecommunication operators b...

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Страница 5: ...ents for Radio Equipment 6 3 1 General Conditions 6 3 2 Transmitter 6 3 3 Receiver 10 3 4 Controller 13 3 5 Connections with Telecommunication Circuit Equipment 13 3 6 Antenna 14 3 7 Others 14 Chapter 4 Measurement Methods 15 Annex 1 Test Items in relation to Technical Regulations Conformity Certification for Specified Radio Equipment 17 Annex 2 Operational Guidelines for UWB Radio Systems 18 Anne...

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Страница 7: ...Scope of the Standard The radio station of a UWB Radio System consists of radio equipment and data terminal equipment including one connected to telecommunication circuit facilities etc as shown in the Figure 1 1 The standard defines the said radio equipment Figure 1 1 Configuration of radio station of UWB Radio System 1 3 Reference regulations In the standard RERL refers to Regulations for Enforc...

Страница 8: ...e Approval etc for Terminal Equipment NT refers to a Notification of the Ministry of Posts and Telecommunications if issued in 2000 or earlier and a Notification of the Ministry of Internal Affairs and Communications MIC if issued in 2001 or later ...

Страница 9: ... it receives a signal from another radio equipment connected to the AC mains power supply ORE Article 49 27 Examples of a compliant system configuration are shown in Figure 2 1 2 2 and 2 3 1 The case of radio equipment connected to the AC mains power supply which transmits signals to another radio equipment If a radio equipment is connected to the AC mains power supply it can start transmission at...

Страница 10: ...ected to the AC mains power supply it can emit radio waves only after it detects a signal from another radio equipment which is connected to the AC mains power supply Figure 2 2 Example of standard system configuration 2 r s s B A1 Notes A1 A2 Radio equipment connected to the AC mains power supply B Radio equipment not connected to the AC mains power supply r Signal received by B s Signal transmit...

Страница 11: ...ransmits signal to another radio equipment not connected to the AC mains power supply it can emit radio waves after it receives signal from another radio equipment that is connected to the AC mains power supply Figure 2 3 Example of standard system configuration 3 B1 B2 r A Notes A Radio equipment connected to the AC mains power supply B1 B2 Radio equipment not connected to the AC mains power supp...

Страница 12: ...mitter 1 Modulation method There is no specific restriction on the modulation method 2 Antenna power ORE Article 49 27 Antenna power for the operating frequency band shall satisfy respective values as follows Average power per 1MHz bandwidth shall be 41 3 dBm or less As an interim measure until December 31 2008 the following condition shall apply Of radio equipment with use of frequency from 3 4 G...

Страница 13: ...all be less than the allowed maximum value 20 4 Transmission data rate ORE Article 49 27 Transmission data rate shall be higher than 50 Mbps excepting for such cases as noise or interference from other radio stations need be avoided 5 Frequency bandwidth ORE Article 49 27 Frequency bandwidth between the upper and lower frequencies for which the radiation power drops 10 dB below the maximum radiati...

Страница 14: ... 7 GHz to 11 7 GHz 70 dBm or less 64 dBm or less From 11 7 GHz to 12 75 GHz 85 dBm or less 79 dBm or less More than 12 75 GHz 70 dBm or less 64 dBm or less Note In the case that the use of the frequency is within a range from 3 4 GHz to 4 8 GHz the antenna power for the frequency band from 3 4 GHz to 4 8 GHz shall comply with Article 3 2 2 instead of 3 2 7 Similarly in the case that the use of the...

Страница 15: ...8 Figure 3 1 Permissible values for unwanted emission intensity when using frequency from 3 4 GHz to 4 8 GHz Antenna power density Permissible values for unwanted emission intensity Provision by average power Provision by peak power Frequency GHz Power density dBm MHz Antenna power density Permissible values for unwanted emission intensity Provision by average power Provision by peak power Frequen...

Страница 16: ... 7 25 GHz to 10 25 GHz Less than 1 600 MHz 90 dBm or less From 1 600 MHz to 2 700 MHz 85 dBm or less From 2 700 MHz to 3 4 GHz 70 dBm or less From 3 4 GHz to 4 8 GHz 54 dBm or less 70 dBm or less From 4 8 GHz to 7 25 GHz 70 dBm or less From 7 25 GHz to 10 25 GHz 70 dBm or less 54 dBm or less From 10 25 GHz to 10 6 GHz 70 dBm or less From 10 6 GHz to 10 7 GHz 85 dBm or less From 10 7 GHz to 11 7 GH...

Страница 17: ...60 50 40 14 13 12 11 10 9 8 7 6 5 4 3 2 1 2 Without an interference mitigation function until December 31 2008 Figure 3 3 Limit on Secondary Radiated Emissions when using frequency from 3 4 GHz to 4 8 GHz Antenna power density Frequency GHz Power density dBm MHz Antenna power density Frequency GHz Power density dBm MHz ...

Страница 18: ...w According to ORE Supplementary provision MIC Ordinance No 105 on August 1 2006 Average power at any 1 MHz bandwidth Frequency band When using frequency from 3 4 GHz to 4 8 GHz without an interference mitigation function stipulated in 3 4 2 Less than 1 600 MHz 90 dBm or less From 1 600 MHz to 2 700 MHz 85 dBm or less From 2 700 MHz to 4 2 GHz 70 dBm or less From 4 2 GHz to 4 8 GHz 54 dBm or less ...

Страница 19: ...ensity and the description of 3 3 1 for the limit on secondary radiated emissions etc 3 Controls of radio emission ORE Article 49 27 A radio equipment not connected to the AC mains power supply shall be permitted to emit radio waves only after it receives a signal from another radio equipment connected to the AC mains power supply 3 5 Connections with Telecommunication Circuit Equipment A radio eq...

Страница 20: ... no specific provision for the gain of the receiving antenna 3 7 Others 1 Cabinet ORE Article 49 27 The cabinet shall be constructed so as to be not be easily tampered with 2 Mark of usage restrictions ORE Article 49 27 A mark of the usage restriction that radio waves can be emitted only indoor shall be visibly shown on the cabinet 3 Mark in relation to technical regulations conformity certificati...

Страница 21: ...a Wideband Radio System issued by Telecom Engineering Center TELEC Foundation commissioned by the paragraph 2 of MIC Ordinance No 88 on January 26 2004 Items that are not specified in the report however shall be based on conventionally practiced methods In case the measurement methods are separately specified by Notification etc such Notification shall override the method cited above ...

Страница 22: ...ARIB STD T91 16 ...

Страница 23: ... emission Antenna power Gain of transmitting antenna Frequency Bandwidth 2 Receiver Limit on secondary radiated emissions 3 Others Interference mitigation function When using radio wave within the frequency from 3 4 GHz to 4 8 GHz As an interim measure until December 31 2008 the interference mitigation function is not mandatory According to ORE Supplementary provision MIC Ordinance No 105 on Augus...

Страница 24: ...he Operational Guideline is intended for the following system UWB Ultra Wideband Radio Systems ARIB STD T91 1 4 Basic agreements 1 Clarification of problems Vendors shall in good faith take preventive measures including warning messages in operation manuals etc and to pursue PR activities for prevention of radio interference 2 Preliminary survey In case users or vendors intend to introduce UWB rad...

Страница 25: ...ntact the following address 3 In case that harmful interference to other non UWB radio equipment satellite earth station antennas 5GHz band wireless LAN mobile phones etc is caused due to the emission from the UWB radio function of the equipment take discretionary actions such as to remove the UWB radio equipment from the interfering area If interference remains promptly stop the radio emission an...

Страница 26: ...r planed in the neighborhood If a radio astronomy observatory is found or assumed to be in operation in the neighborhood UWB radio system shall not be operated unless the user receives consent from an authorized person of the radio astronomy observatory 2 Preliminary survey at an event site etc Users who intend to operate a UWB radio system at an event site etc shall confirm its use with the event...

Страница 27: ...using radio frequency from 3 4 GHz to 4 8 GHz without interference mitigation function With respect to future new mobile communications systems etc and development of domestic radio ordinances vendors shall refrain from manufacturing selling and installing UWB radio equipment using the frequency from 3 4 GHz to 4 8 GHz without an interference mitigation function hereinafter referred to radio equip...

Страница 28: ...ver and the level of broadcast emission is near the receiver sensitivity limit it is necessary to further lower the unwanted emission intensity of the specified frequency below those specified in ARIB STD T91 so as not to cause interference with broadcast receivers For this reason the UWB radio equipment should be designed with due consideration of permissible values for unwanted emission intensit...

Страница 29: ...enerated by the UWB radio equipment and noise generated by non UWB portion of the equipment 1 2 2 An example of Indirect Measurement of Unwanted Emission Intensity An example of indirect measurement of unwanted emission intensity for UWB radio equipment at 600 MHz is shown below The same method can be applied for measurements for other frequencies 1 A measurement schematic diagram A measurement sc...

Страница 30: ... Circuits BPF 750 1 750 MHz LPF AMP R K A 528 LN 1 0 01 1 GHz 32 dB Spectrum analyzer Anritsu MS8901A 1 9 kHz 3 GHz 3 Characteristics of LPF and AMP The transmission characteristics when combining LPF and AMP in the measurement example are shown in Figure A3 2 Frequency characteristics for LPF input signal and AMP output signal AMP gain LPF insertion loss are shown here In the measurement example ...

Страница 31: ...of AMP Gain and noise figure NF of AMP at 600 MHz in the measurement example are shown in Table A3 3 Table A3 3 Characteristics of AMP Frequency 600 MHz Gain 36 0 dB NF 3 9 dB 5 Setting of spectrum analyzer Parameters of spectrum analyzer used in the measurement example are shown in Table A3 4 AMP output signal AMP gain LPF insertion loss LPF input signal ...

Страница 32: ...vel M of AMP output observed by the spectrum analyzer is a combined value of ATT input signal level unwanted emission intensity ATT thermal noise and AMP thermal noise and can be expressed in the Equation 1 1 1 1 1 L G kT L kT L M a α M AMP output signal level α ATT input signal level unwanted emission intensity L ATT attenuation k Boltzamann constant Ta Ambient temperature K T1 Equivalent noise t...

Страница 33: ...onversion upon obtaining from the measured values Table A3 5 Parameters for the measurement example Item Unit 600 MHz log antilog L 6 1 3 dB 5 37 k J K W s 1 38 E 23 T0 K 290 G 36 0 4 dB 3631 F 3 9 dB 2 45 L ATT Cable loss ATT insertion loss LPF insertion loss G AMP gain cable loss Table A3 6 Measured results Item ATT dB 600 MHz M 6 134 2 dBm Hz 111 3 dBm MHz 1 2 3 A design example for UWB radio e...

Страница 34: ...he measurement device dBm MHz is obtained as a measured result Figure A3 4 A connection example for characteristics measurement of UWB transmitter 2 Measurement of characteristics of a filter Connect a filter to a signal source as well as a measurement device as shown in Figure A3 5 and measure the attenuation of the filter by itself at the interference band In general filter shows identical linea...

Страница 35: ...ed that the unwanted emission intensity is Lf Ga dBm MHz e i r p 5 Design of UWB radio equipment Based on the unwanted emission intensity estimated by 1 4 it is possible to design UWB radio equipment to meet the conditions of Table A3 1 2 Ban on the use of UWB Radio Equipment for Toys UWB radio equipment shall not be included in toys This is because a child may not be able to properly restrict the...

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Страница 37: ...tra Wideband Radio Systems ARIB STD T91 Sections to be completed by sender Name Date TEL FAX E mail Company name Department name Page Section Please describe your proposal or present your questions or comments in concrete terms Sections to be completed by secretariat Date of receipt Response Ref No Classification Remarks Please send your ARIB Standard related question in this format If you complet...

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Страница 39: ...NDARD ARIB STD T91 VERSION 1 0 Version 1 0 December 2006 Published by Association of Radio Industries and Businesses Nittochi Bldg 11F 1 4 1 Kasumigaseki Chiyoda ku Tokyo 100 0013 Japan TEL 81 3 5510 8590 FAX 81 3 3592 1103 All rights reserved ...

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