You are here : Home
About DOCOMOTechnologyNTT DOCOMO R&DTechnologyHSDPA (High Speed Downlink Packet Access)
In August 2006, DOCOMO started the commercial service of HSDPA (High Speed Downlink Packet Access) .
HSDPA is the high-speed data transmission technology employed on the 3rd generation mobile system 'W-CDMA'.
HSDPA efficiently transmits packet data and realizes high data rates and cost reduction.
With HSDPA, high volume contents such as videos and music deliveries can be enjoyed with comfort.
HSDPA-related articles
R&D on HSDPA is explained on PDF.
Special Articles on HSDPA/HSDPA Overview and Development of Radio Network Equipment
The HSDPA service commerced in August 2006 was developed aiming at greater speed, lower cost and reduced delays of W-CDMA. This article describes the technical characteristics of HSDPA, and the development of functions for the radio network equipment.
Special Articles on HSDPA/HSDPA Overview and Development of Radio Network Equipment (PDF format:948KB) 9 pages
Special Articles on HSDPA/HSDPA Terminal Development and Radio Transmission Performance
Two new HSDPA compatible mobile terminals have been developed for the HSDPA service commenced in August 2006. This article outlines these terminals and describes the radio transmission throughput performance based on field experiments.
Special Articles on HSDPA/HSDPA Terminal Development and Radio Transmission Performance (PDF format:868KB) 6 pages
HSDPA technology explained on video
|
|
R&D on HSDPA is explained on video. |
HSDPA-related Technical Journals
This is the introduction of the Technical Journals that carry HSDPA-related articles.
- VOL.10 NO.2
Special Articles on Technology Supporting Large-capacity and High-efficiency Communication in the Flat-rate Era/Data-communications Terminals with Downlink Speeds up to 7.2 Mbit/s to Meet the Increasing Demand for High-speed Data Communications
- VOL.8 NO.3
HSDPA Overview and Development of Radio Network Equipment
HSDPA Terminal Development and Radio Transmission Performance
Special Articles on HSDPA/System Development for Music Channel Service Using HSDPA
- VOL.6 NO.4
HSDPA Throughput Performances Using an Experimental HSDPA Transmission System
HSDPA-related topics
Theses are the HSDPA-related topics.
