& cplSiteName &

Sprint Promises 180Mbit/s 'Peaks' in 2015

Dan Jones
6/18/2014
50%
50%

CHICAGO -- Light Reading's Big Telecom Event 2014 -- Sprint sparked up the morning keynote of Light Reading's largest-ever event with a tale of how it will up its LTE speeds in US cities through 2015.

Jay Bluhm, vice president of network development and engineering for Sprint Corp. (NYSE: S), kicked off Day 2 of BTE with a rundown of the carrier's ongoing 3G and 4G updates with Network Vision and Spark. Bonding radio channels with carrier aggregation through LTE Advanced is at the basis of the Spark update, but Sprint takes it further with software upgrades, multiple antennas (MIMO), and updated radio technology at the cellsite, alongside tri-band MIMO rollouts on the device side.

"By 2015 you're going see these peak speeds of 180 Mbit/s, where you're getting peak speeds of 60 Mbit/s today," Bluhm told the audience. (See Sprint's Spark: It's Fast but No Multi-Tasker.)

Bluhm Sparks Up BTE
Sprint's Jay Bluhm talks LTE in Chicago.
Sprint's Jay Bluhm talks LTE in Chicago.

At the very heart of the Spark upgrade is 1,900 MHz, 800 MHz, and 2.5 GHz tri-band LTE support: 1,900 MHz is the workhorse frequency that gives Sprint widespread outdoor coverage; 800 MHz provides better indoor coverage and improved range; while the 2.5 GHz channel is the racehorse, providing peak speeds in urban areas. (See Igniting the Future: Sprint Spark.)

Triple Threat
Sprint's Workhorse, Pony Express, and Racehorse frequencies for LTE depth.
Sprint's Workhorse, Pony Express, and Racehorse frequencies for LTE depth.

8T8R? Come again?
Multiple antenna arrays combined with eight-transmit/eight-receive (8T8R) radios at the cellsite will boost the range and speed of the LTE TDD 2.5 GHz element of Sprint's Spark offering. Sprint has said previously that it will start deploying that technology around the middle of this year. (See Defining 4G: What the Heck Is LTE TDD?)

8T8R is a term that we are all likely to see more of soon. Current cellular design typically uses two transmit and receive paths -- 8T8R has eight. 8T8R enables wide-range "beamforming," which means that the operator can direct a beam to a specific user's device, improving the speed, range, and signal-to-noise characteristics of the transmission. (See Sprint: LTE TDD Speed Boost Coming Soon.)

Long-time readers will remember that these concepts were originally tried out with WiFi, way back in 2002. They were also floated as a WiMax booster, but LTE overtook that specification as the preferred 4G technology. (See Vivato Switches Sides.)

8T8R has become possible for cellular because the technology has shrunk enough that a multi-element antenna array and a remote radio head (RRH) can be installed to support 8T8R at a cellsite. For instance, Alcatel-Lucent (NYSE: ALU) writes that its "RRH on band 41 [2.5 GHz] supports up to 160 W total (8 times 20 W) and up to 120 MHz of aggregated carrier bandwidth to fit with Sprint large TDD bandwidth and capacity needs." (See What the [Bleep] Is Fronthaul? for more on what RRHs are.)

Beamforming and vastly increased transmit and receive paths will likely eventually become part of the 5G specification, too. (See DoCoMo Unveils 5G Trial Plans.)

Don't forget that MIMO and multiple frequencies will also require bigger antenna arrays and tri-band support at the device for best performance. Bluhm notes that Sprint already has a raft of tri-band devices available as it deploys Spark upgrades in major US cities. (See Fanning Sprint's Spark in NYC.)

The Big Picture
The board tech elements that will allow Sprint's speed bump.
The board tech elements that will allow Sprint's speed bump.

Sprint has access to up to 120 MHz of 2.5 GHz TDD spectrum in 100 major markets, Bluhm says. This means that it is planning to hit three-channel radio carrier aggregation on that frequency in 2015.

Now We're Bonding
Three-channel carrier aggregation delights the radio wonks in the crowd in Chicago.
Three-channel carrier aggregation delights the radio wonks in the crowd in Chicago.

Carrier aggregation in the LTE Advanced specification (3GGP Release 10 and beyond) is at the root of Sprint's Spark advance, Bluhm says, but the operator will take it further with software updates and device support. "The infrastructure we're deploying is capable of supporting three carriers, which will get you 180 Mbit/s peaks."

— Dan Jones, Mobile Editor, Light Reading

(5)  | 
Comment  | 
Print  | 
Newest First  |  Oldest First  |  Threaded View        ADD A COMMENT
pcharles09
50%
50%
pcharles09,
User Rank: Light Beer
6/24/2014 | 9:38:32 PM
Re: They need this sooner rather than later...
I agree. I've stood in the same spot (maybe moved about a step or 2) & watched my coverage flip-flop between 3G & LTE. One 'works', the other doesn't. It's extremely annoying.
DanJones
50%
50%
DanJones,
User Rank: Blogger
6/20/2014 | 7:27:52 PM
Re: They need this sooner rather than later...
Its going to take a while whatever, you don't do this big of an upgrade in a few months.
KBode
50%
50%
KBode,
User Rank: Light Sabre
6/20/2014 | 9:02:13 AM
Re: They need this sooner rather than later...
I spend so much time traveling around the country I just can't rely on Sprint or T-Mobile's network just yet since coverage in many places remains abysmal. I'm stuck on Verizon for now (begrudgingly given their closed and locked device policies). Happy to jump to Sprint if they can get the network up to snuff. 180 Mbps isn't as important to me as overall coverage and signal reliability.
pcharles09
50%
50%
pcharles09,
User Rank: Light Beer
6/19/2014 | 10:00:59 PM
Re: They need this sooner rather than later...
So much for the NOW network. I feel like it's the waiting network. I had better speeds when I'm roaming on Verizon's network.
KBode
50%
50%
KBode,
User Rank: Light Sabre
6/19/2014 | 10:54:44 AM
They need this sooner rather than later...
They need this sooner rather than later. The LTE network they have continues to lag in all big four LTE speed and latency tests. With Sprint, it feels like the kind of network everyone wants always feels indefinitely around a bend....
From The Founder
Cisco's Conrad Clemson, recently promoted to head up the company's Service Provider Apps & Platforms developments, talks to Light Reading's Founder and CEO Steve Saunders about how he's bringing cloud video, mobile and virtualization together to empower network operators.
Flash Poll
Live Streaming Video
Charting the CSP's Future
Six different communications service providers join to debate their visions of the future CSP, following a landmark presentation from AT&T on its massive virtualization efforts and a look back on where the telecom industry has been and where it's going from two industry veterans.
LRTV Custom TV
CommScope – Meeting the Demands of Tomorrow's Networks

3|24|17   |     |   (0) comments


Phil Sorksy, Vice President International at CommScope, discusses addressing the challenges faced by service providers today, and as future trends emerge.
LRTV Huawei Video Resource Center
AMS-IX & Huawei's OSN 902

3|24|17   |     |   (0) comments


Huawei shows how its OSN 902 platform helps the Amsterdam Internet exchange to connect the world using multiplexing.
LRTV Huawei Video Resource Center
Huawei's Smart Energy Innovation Center

3|24|17   |     |   (0) comments


In Nuremberg, Huawei showcases its latest capabilities in the digitalization of Internet resources, network infrastructure and intelligence at its Smart Energy Innovation Center.
Valley Wonk
OFC & Hyperscale: A Good Mix?

3|24|17   |   01:50   |   (0) comments


Cloud and telecom players want different types of equipment for their networks, as the chatter at OFC reveals.
LRTV Custom TV
Etisalat on NFV Journey

3|24|17   |   10:37   |   (0) comments


Etisalat is a service provider that prides itself on bringing innovative technologies to the markets it serves. It was one of the first operators to implement 3G and leads the pack in fiber penetration. Now, Esmaeel Al Hammadi, Etisalat's SVP of Network Development, explains the operator's journey to virtualization, beginning with the network core, as well as the ...
LRTV Huawei Video Resource Center
Huawei at CeBIT 2017: Day 3

3|22|17   |     |   (0) comments


Light Reading reports from CeBIT 2017 in Germany, where Huawei is exhibiting on the application of technologies and key business verticals such as transportation, smart city, manufacturing, media and finance.
LRTV Documentaries
No Regrets: Cox's Finkelstein on Fiber & More

3|22|17   |     |   (0) comments


At the Cable Next-Gen Technologies & Strategies event in Denver, Cox's Jeff Finkelstein examines the cable capex conundrum.
LRTV Documentaries
Cable Next-Gen: The 'Mile High' View From Denver

3|22|17   |   11:56   |   (0) comments


Alan Breznick kicks off the Cable Next-Gen Technologies & Strategies event in Denver, casting his thousand-yard stare over cable's current competitive landscape.
LRTV Huawei Video Resource Center
Huawei at CeBIT 2017: Day 2

3|21|17   |   2:27   |   (0) comments


Light Reading reports from CeBIT 2017 in Germany, where Huawei is exhibiting digital transformation solutions around IoT, smart data centers, OpenCloud ecosystem and its newly announced storage-as-a-service solution.
LRTV Custom TV
Driving Better Mobile Customer Experience While Transforming the Mobile Network

3|21|17   |   7:47   |   (0) comments


The Citrix NetScaler mobile gateway is an intelligent traffic management solution which can markedly improve the customer experience provided by mobile operators, even when traffic is encrypted. Critical network services can be consolidated and virtualized using NetScaler. Because of the unique architecture, NetScaler can be deployed on any hypervisor, on a ...
LRTV Custom TV
Mastercard: What's Next for Mobile Payments?

3|21|17   |   7:49   |   (0) comments


2017 marks the fifth consecutive year for Mastercard at Mobile World Congress and it was a great time to reflect on the amazing advances the payments industry has made as well as discuss "What's Next' in the digital commerce future. We spoke to James Anderson, executive vice president of digital payments at MasterCard, about digital wallets to tokenization to ...
LRTV Custom TV
Mastercard: 2 Billion Adults 'Trapped' in Cash Economy

3|21|17   |   03:51   |   (1) comment


Despite advances made in the last several years, two billion adults around the world are trapped in a cash economy and lack what we take for granted -- a safe way to receive, save and use money. Shamina Singh, executive vice president of sustainability and president of the Mastercard Center for Inclusive Growth, chats about how Mastercard is developing new ways to ...
Upcoming Live Events
May 15-17, 2017, Austin Convention Center, Austin, TX
May 15, 2017, Austin Convention Center - Austin, TX
June 6, 2017, The Joule Hotel, Dallas, TX
All Upcoming Live Events
Infographics
With the mobile ecosystem becoming increasingly vulnerable to security threats, AdaptiveMobile has laid out some of the key considerations for the wireless community.
Hot Topics
High-Band 5G: Let's Address the Range Question, Shall We?
Dan Jones, Mobile Editor, 3/21/2017
Eurobites: A1, Nokia Turn It Up to 11
Paul Rainford, Assistant Editor, Europe, 3/22/2017
FTTH No Slam Dunk for Cable
Carol Wilson, Editor-at-large, 3/23/2017
Top Priorities for B/OSS Transformation
James Crawshaw, Senior Analyst – OSS/BSS Transformation, Heavy Reading, 3/20/2017
Like Us on Facebook
Twitter Feed
BETWEEN THE CEOs - Executive Interviews
TEOCO Founder and CEO Atul Jain talks to Light Reading Founder and CEO Steve Saunders about the challenges around cost control and service monetization in the mobile and IoT sectors.
At MWC 2017, Qualcomm's CTO Matt Grob talks to Light Reading's CEO and Founder Steve Saunders about the progress being made in the development of the technologies and standards that will underpin 5G.
Animals with Phones
Neither Do We Click Here
Is that a prerequisite?
Live Digital Audio

Playing it safe can only get you so far. Sometimes the biggest bets have the biggest payouts, and that is true in your career as well. For this radio show, Caroline Chan, general manager of the 5G Infrastructure Division of the Network Platform Group at Intel, will share her own personal story of how she successfully took big bets to build a successful career, as well as offer advice on how you can do the same. We’ll cover everything from how to overcome fear and manage risk, how to be prepared for where technology is going in the future and how to structure your career in a way to ensure you keep progressing. Chan, a seasoned telecom veteran and effective risk taker herself, will also leave plenty of time to answer all your questions live on the air.