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LTE to usher purely wireless, everywhere broadband

Posted: 28 Jun 2013 ?? ?Print Version ?Bookmark and Share

Keywords:LTE? wireless communication? mobile data networking?


3G was only capable of providing sufficient bandwidth during the initial stages of internet growth, but will not be able to scale to meet the expected demands of a large number of simultaneous mobile internet users. Sup- porting the mobile broadband Internet revolution required a new standard designed from the ground up to support mobile broadband internet access.

To meet the anticipated demands on the network, LTE possesses four key advantages over 2G and 3G technologies:

1. High gross bandwidth, up to 150 Mb/s down and 50 Mb/s up in today's networks. This is sufficient to stream 8 simultaneous HDTV channels.

2. Efficient sharing of the gross bandwidth between a large number of users, allowing cost-effective allocation of data to different end device requirements, and simultaneous handling of high-bandwidth human-to- human and low-bandwidth machine-to-machine traffic.

3. Reduced Operating Expenditure (OPEX) through a simplified network architecture and better spectral efficiency (double that of HSPA and thirty times that of UMTS).

4. Guaranteed maximum latency, typically around 10 ms, below the threshold of human perception.

These attributes combine to bring users affordable mobile data services with high quality of service and satisfying responsiveness supporting content-rich, interactive applications such as on-demand video, social media, voice, web, gaming and cloud-based applications.

LTE: Wireless' last mile

LTE's first role will be to deliver the cable/DSL broadband experience to mobile devices. Put simply, there will be no discernible difference between your fixed line experience at home, and your mobile device. When this service is available, it is only a matter of achieving the same price point as fixed line services before the LTE "last mile" connections replace cable and DSL connections: the edge of the internet will become purely wireless.

One of the first major applications of LTE will be in mobile routers to create Wi-Fi hotspots in public transportation, at events, in city centres, flat buildings and remote locations.

- Charles Sturman, Ezra Stein and Carl Fenger of u-blox
??EE Times

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