Overview of Standards and Technical Reports

Overview of ARIB Standards (STD-T95)

1. Overview

STD Number ARIB STD-T95
Standard Name Broadband Mobile Wireless Access System (XGP)
General Description

This standard is developed to realize the system called XGP in Japan, and specifies requirements for the radio equipment of radio stations for OFDMA/TDMA TDD Broadband Mobile Wireless Access System defined in the Article 49-29 and SC-FDMA/TDMA TDD Broadband Mobile Wireless Access System which are related to XGP system defined in the Article 49-29-2 of the Ordinance Regulating Radio Equipment. It is worth noting that the SC-FDMA/TDMA TDD Broadband Mobile Wireless Access System is compatible with the Fifth-Generation Mobile communications system.


*OFDMA: Orthogonal Frequency Division Multiple Access, TDMA: Time Division Multiple Access, SC-FDMA: Single Carrier Frequency Division Multiple Access, TDD: Time Division Duplex


This system is one of the broadband mobile wireless access systems using 2.5 GHz band, and a wireless broadband system with constant mobility. The system corresponds to the broadband use by flexible band allocation for uplink and downlink, and provides public broadband communication services based on the connection to the all-IP based network. This system can provide the advanced mobile communication services mainly in urban areas and offer broadband services in disadvantaged areas.


It is noted that this standard is prepared in English only.


2. Amendment History

Ver. Amendment or Enactment Date Amendment summary
4.1 10.29.2021 Necessary revision based on the amendment of the domestic regulations which enables the carrier aggregation with sXGP system when the frequency band of sXGP is used as the anchor band for local 5G, and the reflection of XGP Forum standard which corresponds to 3GPP Specification Release 16.
 sXGP:shared eXtended Global Platform
4.0 09.28.2020 Necessary revision based on the amendment of the domestic regulations related to the introduction of new Broadband Mobile Wirelss Access System which is compatible with the Fifth-Generation Mobile communications system, and the reflection of XGP Forum standard which corresponds to 3GPP Specification Release 15.
3.6 04.12.2018 Necessary revision based on the amendment of the domestic regulations related to the introduction of uplink CA, eMTC, HPUE, and the reflection of updated XGP Forum standard.
 CA:carrier aggregation
 eMTC:enhanced Machine Type Communication
 HPUE:High Power User Equipment
3.5 09.29.2016 Addition of the submitted confirmation notes relating to the right to work essential Industrial Property Rights (IPR) for Ver. 2.1, 2.2, 3.0, 3.2, 3.4 and references.
3.4 12.03. 2015 Necessary revision based on the amendment of the related regulations for carrier aggregation in the Japanese Laws and the update of XGP Forum standard
3.3 03.17.2015

Addition of the submitted confirmation notes relating to the right to work essential Industrial Property Rights (IPR) for Ver. 3.2 and references.

Reference: IPR applied to countries other Japan. These are submitted as a reference.

3.2 07.31.2014

Necessary revision based on the amendment of the regulations related to the Radio Act and the update of XGP Forum standard

The development history of this standard is as follows:

May 17, 2013: Information and Communications Council submits a report “Technical requirements for advanced broadband mobile radio access system” among “Technical requirements for broadband mobile radio access system using 2.5GHz band”.

July 22, 2013 and Dec. 25, 2013: Revision of the regulations related to Radio Act

Feb. 28, 2014: Update of XGP standard by XGP (Standard name: A-GN4.00-03-TS Ver.3.1).

3.1 03.18.2014

Addition of the submitted confirmation notes relating to the right to work essential IPR for Ver. 3.0 and references.

Reference: IPR applied to countries other Japan. These are submitted as a reference.

3.0 07.03.2013 Revision of the definition of spurious emission, etc., tolerance, interim measures, measuring method, etc. corresponding to the revision of technical standard for tolerance of spurious emission intensity
2.2 12.18.2012

- Revision corresponding to the XGP standard (A-GN4.00-02-TS Ver.02/Rev.04) updated by XGP Forum in November, 2012.

- Change of the name of “Next Generation PHS” included in this standard to “XGP” in order to be consistent with descriptions in ITU-R Rec. M.1801 concerning BWA

2.1 02.14.2012 Revision corresponding to the XGP standard (A-GN4.00-02-TS Ver.02/Rev.03) updated by XGP Forum in November, 2012
2.0 07.07.2011 Necessary revision based on the revision of the Ordinance Regulating Radio Equipment in order to realize high transmission rate, improvement of service area, etc.
1.3 12.16. 2009 Introduction of the specification updated by XGP Forum in April, 2009
1.2 03.18. 2009 Addition of IPR confirmation notes submitted after the revision of Ver.1.1
1.1 06.06.2008 Addition of IPR confirmation notes submitted after the revision of Ver.1.0
1.0 12.12.2007 Enactment


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