【資料名稱(chēng)】：4G Mobile alcatel

【資料作者】：xx

【資料日期】：20050101

【資料語(yǔ)言】：英文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

New data services, interactive TV and evolving
Internet behavior will influence mobile data usage.
Long sessions in always-on mode will force a re-think
of radio access technology to achieve the required ?
but not easy to attain – capacity (Gbit/s/km_) at lo
cost. The ideas presented in this article can increase
capacity by a factor of 500 with regard to expected
cellular deployments. Coverage will be based on
large umbrella cells (3G, WiMAX) and numerous
pico cells interconnected to provide the user with
seamless high data rate (several Mbit/s) sessions.
Scalable and progressive deployments are possible
while protecting the operator’s long-term investment
The 4G infrastructure operator will mix several
technologies, each of which has its optimal usage.
The connection to one of them will result in a real-time
trade-off which will offer the user the best possible
service. Some tools that genuinely improve the user’
multimedia quality of experience (availability,
response time, definition, etc) are also presented in
this article.