On The Move

 

4G: True or False?

The ITU-R specification for IMT-Advanced, the next step in mobile broadband wireless technology was announced this week.
ITU finalized their technical evaluation that included operational aspects and determined that LTE-Advanced and WirelessMAN-Advanced that are the compliant versions of LTE and WiMAX. These protocols are regarded as ‘true’ 4G
and according to ITU standards the so-called 4G phones we see in the market today that provide higher speeds are not part of the next generation mobile technology covered under IMT-Advanced.

As was discussed and compared in previous post ‘when wireless technology meets demand’ IMT-advanced technologies take mobile access to a different dimension. With order of magnitude improvement in speed and also improved efficiency the new technology will enable true broadband access on your mobile device. There will be several applications that will benefit from this advancement especially gaming, interactive mobile services and broadband multimedia.

The demand for broadband mobile will increase 10 fold in the next 4 years, as you can see in a graph based on Cisco’s data.


Exabytes = 10^18 Bytes

And to accommodate these higher speed links standard interface between RFIC and Baseband processor will help ease integration and support all air link flavors.
This week the MIPI alliance released the DigRFv4 specification revision 1.10 which provides enhancement to existing protocol used by mobile ICs it addresses the needs in 3G and LTE, WiMax networks. The specification is not covering LTE-A at this point and that’s yet to be specified in the DigRF working group which Synopsys is proud to participate in.
We at Synopsys already support DigRFv4 master controller specification 1.10 and silicon proven M-PHY that help create an eco-system for DigRF implementation. You are invited to get you more information about DigRF specification and typical implementation available in the embedded links.


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