YD/T 3221-2017
Active
YD/T 1544.4-2007
Active
Industry standards-Postal and telecommunications
YD/T 1544.4-2007 2GHz WCDMA Digital Cellular Mobile Communication Network Uu Interface Physical Layer Technical Requirements (Phase 1) Part 4: Spread Spectrum and Modulation
YD/T 1544.4-2007 2GHz WCDMA Digital Cellular Mobile Communication Network Uu Interface Physical Layer Technical Requirements (Phase 1) Part 4: Spread Spectrum and Modulation
Basic Information
Standard Code:
YD/T 1544.4-2007
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nMobile communication devices
ICS Name:
Other mobile services
Publish Date:
2007-05-15
Implement Date:
2007-05-15
Pages:
24 pages
Development Information
Same series standard
YD/T 1544.1-2007 Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Physical Layer Part 1:General Aspects
YD/T 1544.2-2007 2GHz WCDMA Digital Cellular Mobile Communication Network Uu Interface Physical Layer Technical Requirements (Phase 1) Part 2: Mapping of Physical Channels and Transport Channels to Physical Channels
YD/T 1544.3-2007 2GHz WCDMA Digital Cellular Mobile Communication Network Uu Interface Physical Layer Technical Requirements (Phase 1) Part 3: Multiplexing and Channel Coding
YD/T 1544.6-2007
Related Standards
YD/T 3220-2017
Active
YD/T 3220-2017
YD/T 3222-2017
Active
YD/T 3222-2017 The technical requirements for dual-mode dual-standby digital terminal equipment that supports SCDMA/GSM dual-mode operation
YD/T 3219-2017
Active
YD/T 3219-2017 Intelligent communication network supporting cloud computing: Wide area network interconnection technology requirements
YD/T 3217-2017
Active
YD/T 3217-2017 Business capability open API based on Representational State Transfer (REST) technology for video sharing
YD/T 3218-2017
Active