Melding networks to boost mobile broadband

In a Q&A, Bryan Kim, manager at SK Telecom's Core Network Lab, discusses the mobile operator's heterogeneous network implementation and the service benefits.

SK Telecom has developed an enhanced mobile broadband service that combines two networks: 3G and Wi-Fi or Long Term Evolution (LTE) and Wi-Fi. The mobile operator will launch the 3G/ Wi-Fi heterogeneous network service in the second quarter of 2012 to achieve a maximum data rate of 60 Megabits-per-second (Mbps), while the LTE and Wi-Fi integrated service will be offered in 2013, enabling up to a 100Mbps wireless Internet service.  

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Gazettabyte sponsorship for 2012

Gazettabyte is delighted to announce that the following founder backing companies of the online publication have agreed to renew their sponsorship:

ADVA Optical Networking, Ciena, ECI Telecom, Finisar, Infinera, LightCounting, Opnext and u²t Photonics.

That nearly all of the founding sponsors have agreed to renew is great confirmation about the site and the stories and features it publishes.

Gazettabyte is also delighted to welcome three new sponsors:

 Cisco Systems, business information and networking service provider, Layer123, and Transmode.

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100 Gigabit 'unstoppable'

A Q&A with Andrew Schmitt (@aschmitt), directing analyst for optical at Infonetics Research.

"40Gbps has even less value in the metro than in the core"

Andrew Schmitt, Infonetics Research

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FPGA transceiver speed hikes bring optics to the fore

Despite rapid increases in the transceiver speeds of field-programmable gate arrays (FPGA), the transition to optical has begun.

FPGA vendors Xilinx and Altera have increased their on-chip transceiver speeds four-fold since 2005, from 6.5Gbps to 28Gbps. But signal integrity issues and the rapid decline in reach associated with higher speed means optics is becoming a relevant option.

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Is wireless becoming a valid alternative to fixed broadband?

Are wireless technologies such as Long Term Evolution (LTE) and WiMAX2 closing the gap on fixed broadband? 

A recent blog by The Economist discussed how Long Term Evolution (LTE) is coming to the rescue of one of its US correspondents, located 5km from the DSL cabinet and struggling to get a decent broadband service. 

Peak rates are rarely achieved: the mobile user needs to be very close to a base station and a large spectrum allocation is needed.

Mark Heath, Unwired Insights

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2012: A year of unique change

The third and final part on what CEOs, executives and industry analysts expect during the new year, and their reflections on 2011.

Karen Liu, principal analyst, components telecoms, Ovum  @girlgeekanalyst 

"We’ve entered the next decade for real: the mobile world is unified around LTE and moving to LTE Advanced, complete with small cells and heterogenous networks including Wi-Fi."

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The CFP4 optical module to enable Terabit blades

The next-generation CFP modules - the CFP2 and CFP4 - promise to double and double again the number of 100 Gigabit-per-second (Gbps) optical module interfaces on a blade.

Using the CFP4, up to 16, 100Gbps modules will fit on a blade, a total line rate of 1.6 Terabits-per-second (Tbps). With a goal of a 60W total module power budget per blade, that equates to 27Gbps/W. In comparison, the power-efficient SFP+ achieves 10Gbps/W.

 

Source: Gazettabyte, Xilinx

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