Overview of ARIB Standards (STD-B57)
|STD Number||ARIB STD-B57|
|Standard Name||1.2GHz / 2.3GHz-Band Portable OFDM Digital Transmission System for Television Program Contribution|
This standard specifies the OFDM digital transmission system with SISO (Single-input Single-Output) mode which means the number of transmission is one, for the FPU using 1.2GHz / 2.3GHz-band.
Also, for MIMO-OFDM digital transmission system which the number of transmission is more than two, this standard will be amended by adding the specifications after corresponding Ordinance and Notification are amended. (It was added in ver.2.0)
2. Amendment History
|Ver.||Amendment or Enactment Date||Amendment summary|
|2.1||07.06.2016|| According to addition of the inspection standard concerning Radio Act on radio stations for broadcasting using the same frequency band, it is recorded in the normative references, and insufficient parts and misprints in this standard and misprints which were found by confirming tests for compatibility between manufacturers are clarified and misprints are corrected.
FPU : Field Pick-up Unit
|2.0||03.18.2014|| According to the amendment of Ordinance which amends a part of Radio regulation rules for MIMO-OFDM digital transmission system which the number of transmission is more than 2, provision is added. Also, existing provisions are clarified and informative references are added.
MIMO : Multiple-Input Multiple-Output