Showing posts with label Carrier Aggregation. Show all posts
Showing posts with label Carrier Aggregation. Show all posts

Monday, August 28, 2017

First demo of LTE Advanced carrier aggregation in CBRS spectrum

Verizon, Ericsson, Qualcomm, and Federated Wireless demonstrated LTE Advanced carrier aggregation using Citizens Broadband Radio Service (CBRS) band 48 spectrum.

The demo, which was conducted in an Ericsson lab in Plano, Texas included the end-to-end CBRS communication flow, using 2x20 MHz LTE carriers on the CBRS band 48, and employing a 256 QAM modulation in the downlink. Ericsson provided the band 48 Radio Dot System and Domain Proxy for communication with Federated SAS. Qualcomm Technologies provided a Qualcomm Snapdragon LTE modem test device, and Federated Wireless provided the spectrum management service with their Spectrum Controller.

The CBRS band is made up of 150 MHz of 3.5 GHz shared spectrum which until now has been primarily used by the federal government for radar systems. The FCC has authorized shared use of the band with wireless small cells. Using the LTE Advanced feature of carrier aggregation, Verizon, Ericsson, Qualcomm Technologies and Federated Wireless were able to demonstrate LTE with carrier aggregation on this band and carry wireless traffic. Federated Wireless provided the Spectrum Access System to dynamically prioritize traffic within the FCC's spectrum sharing framework for this band.

"The use of CBRS spectrum greatly advances our work in emerging spectrum bands. Verizon and our partners are leading the way in creating an ecosystem around the use of CBRS spectrum which will lead to greater capacity and speed for our customers," said Nicola Palmer, Wireless Chief Network Officer for Verizon. "As industry leaders we work tirelessly to provide the best mobile experience available - that includes always innovating through new technologies and software platforms to better serve our customers."

http://www.verizon.com/about/news/verizon-ericsson-qualcomm-and-federated-wireless-team-showcase-first-end-end-band-48-cbrs


Verizon, Ericsson, and Qualcomm hit 1.07 Gbps peak


Verizon, Ericsson and Qualcomm Technologies announced a new peak downlink speed of 1.07 Gbps using the Qualcomm Snapdragon X20 LTE Modem, the first announced modem to support Category 18 LTE speeds. The new record was achieved during an Ericsson lab trial. using 12 simultaneous LTE streams, which allow for up to 20 percent increase in peak data rates and capacity with a corresponding improvement in average speeds. Ericsson's Radio System and LTE...


Thursday, August 25, 2016

Sprint Hits 275 Mbps with LTE 3-Channel CA with LG5

Sprint reached peak speeds of 275 Mbps in three-channel carrier aggregation lab tests using the LG G5, one of the first devices on the market to support the functionality.

“Our holdings of more than 160 MHz of 2.5 GHz spectrum in the top 100 U.S. markets give us more capacity than any other carrier in the U.S. In combination with our Densification and Optimization strategy we futureproof our network for our customers,” said Günther Ottendorfer, Sprint COO, Technology. “This capacity enables us to reach very high speeds, as well as provide innovative unlimited data plans to our customers while keeping pace with the growing demand for data.”

Sprint currently offers 22 devices that actively support two-channel carrier aggregation on its LTE Plus network. Two-channel carrier aggregation delivers peak speeds of more than 100 Mbps in 237 LTE Plus markets across the country using 40 MHz of spectrum on the company’s 2.5GHz cell sites.

Six devices currently offered by Sprint are three-channel carrier aggregation capable: the HTC 9, HTC 10, LG G5, Samsung Galaxy S7, Samsung Galaxy S7 Edge, and Samsung Note 7. With three-channel carrier aggregation Sprint will utilize 60 MHz of spectrum to provide peak speeds of more than 200 Mbps on capable devices. Three-channel carrier aggregation is slated for enablement on capable devices via an automatic software update following network deployment.

http://www.sprint.com


  • Earlier this month, Sprint reached peak lab speeds of 295 Mbps in three-channel carrier aggregation lab tests using the HTC 10.
  • In March, Sprint demonstrated speeds of more than 300 Mbps using three-channel carrier aggregation on a Samsung Galaxy S7. 

Saturday, November 28, 2015

Cosmote Hits 500 Gbps with LTE FDD 3x Carrier Aggregation + 256QAM

Cosmote Greece achieved download speeds of 500Mbps in a live LTE network using equipment from Ericsson.

Cosmote is implementing FDD 3xCarrier Aggregation & 256 QAM innovation to their commercial network, boosting performance and market differentiation.

The demonstration, which took place at the Infocom World 2015 event in Athens on November 24, 2015, used Ericsson’s radio solutions and Ericsson Networks Software 16A . In addition, three component 20+20+10MHz FDD LTE carrier aggregation in combination with 256 QAM modulation deployed in a live network for the first time in the European market.

Ericsson said its 256QAM downlink encoding technology provides up to 33 percent higher downlink throughput in good radio conditions. This enables more efficient use of the spectrum allocated to a cell, as well as a 33 percent increase in maximum user downlink throughput.

"OTE Group brings the future of telecommunications today. We invest in innovation in order to be the first to offer our customers pioneering fixed and mobile telecommunications services, while we continue to assertively expand our New Generation Networks and develop the country’s infrastructure. With the consecutive 'firsts' achieved by the OTE Group, such as the demonstration of speeds up to 500 Mbps via our 4G+ network, we confirm our technological superiority and make a difference for our customers," stated Stefanos Theocharopoulos, Chief Technology & Operations Officer, OTE Group.

http://www.ericsson.com/news/151127-ericsson-and-cosmote_244069644_c

Tuesday, November 24, 2015

First 3.5 GHz LTE FDD-TDD 3 Carrier Aggregation Test

Nokia Networks, Deutsche Telekom and Cosmote (Deutsche Telekom’s subsidiary in Greece and leading network operator in the country) have demonstrated a world-first: LTE-Advanced 3 carrier aggregation combining LTE-FDD in band 3 (1.8 GHz) with LTE-TDD in band 42 (3.5 GHz). The showcase, completed with the commercially available Nokia Flexi Multiradio 10 Base Station, confirms the ability of 3.5 GHz LTE-TDD technology to increase mobile broadband capacity and improve the consumer experience.

The demonstration used the Nokia Single RAN Advanced platform, including the Nokia Flexi Multiradio 10 Base Station for both LTE-FDD and -TDD technologies, with its high-capacity TD-LTE-Advanced 8-pipe radio.

“Deutsche Telekom is a real innovation leader. Hand in hand with our NatCos we are shaping the local markets, especially in LTE. Spectrum plays a fundamental role for mobile communications as we look to exploit opportunities to meet the growing demand for network capacity. The demonstration of FDD-TDD 3 carrier aggregation together with our partners, sets a benchmark for a completely new combination of technologies including the increasingly recognized band 42 which will be expected to be a mainstream TDD band," Rachid El Hattachi, SVP Technology Architecture & Blueprints, Deutsche Telekom.

http://www.nokia.com

Saturday, November 7, 2015

3 Hong Kong Tests FDD+TDD and 4.5G with Huawei

Hutchison Telecommunications's 3 Hong Kong division has demonstrated an FDD+TDD and 4.5G(TDD+) network in conjunction with Huawei at last week's Global Mobile Broadband (MBB) Forum 2015 in Hong Kong.

The 4.5G(TDD+) solution includes features such as four component carrier (4CC) carrier aggregation (CA), large-scale 4X4 Multiple-Input Multiple-Output (MIMO) multi-antenna technology and 256 quadrature amplitude modulation (256 QAM) to significantly boost network capacity and peak download rates.

For the demo, 3 Hong Kong paired FDD spectrum in the 1800 MHz and 2600 MHz band with TDD 2300 MHz spectrum via CA technology, and achieved record download speeds of 1Gbps by utilising 60MHz of spectrum to maximise bandwidth efficiency.

3 Hong Kong and Huawei will continue to innovate and bring new mobile technologies to Hong Kong. We plan to re-farm our 900 MHz and 2100 MHz spectrums for LTE network deployment in order to develop a 5CC LTE-A network, further boosting the peak download rate to around 1.3 Gbps. By combining the strengths of mobile, fixed and Wi-Fi networks, we work tirelessly to provide customers with an all-round mobile communication experience with smooth and stable LTE service, plus high-quality content and customer service,” stated Peter Wong, CEO and Group Managing Director of HTHKH.

3 Hong Kong also showcased a commercial smartphone compatible with FDD+TDD 3CC CA technology at a 4.5G(TDD+) demonstration took place in Causeway Bay, one of the world’s most complex wireless environments.

http://www.huawei.com/en/news/2015/10/3%20Hong%20Kong%20and%20Huawei%20demonstrate%20a

Anritsu Cites Wins for LTE-A 3 Carrier Aggregation (3CA) Carrier Acceptance Test

Anritsu announced support for LTE-A 3 Carrier Aggregation (3CA) Carrier Acceptance Test (CAT) requirements at two additional major North American carriers, building on the first announcement of 3CA support for a third carrier in September.

Anritsu said it is the first test manufacturer to provide 3CA support to three large North American carriers.

Anritsu is committed to developing test solutions for the entire mobile ecosystem so the benefits of LTE-A CA, including increased data rates, can be realized. This will help ensure consumers have the best customer experience for a multitude of data applications and use cases. The ME7834LA is part of our core wireless solutions portfolio designed to address the needs of operators, device makers, and chipset manufacturers," said Paul Innis, VP and General Manager of Anritsu America Sales Region.

http://www.anritsu.com

Sunday, August 23, 2015

Swisscon Implements 3-Carrier LTE FDD and TDD

Swisscom has tested an LTE-Advanced three-carrier aggregation solution combining LTE in both FDD and TDD modes. The demonstration used three carriers in two bands in a radio access network and used commercial-grade chipsets.

The Swiss operator deployed the solution on August 18, 2015 in a Swisscom shop in Zurich and connected to its live, commercial network.  Two LTE TDD carriers, each with 20 MHz bandwidth in the 2.6 GHz frequency band (B41), and one LTE FDD carrier with 15 MHz in the 2.1 GHz band (B1) were used. The live demonstration in Zurich was supported by Ericsson Radio Access Network software 15B and hardware as well as by Qualcomm's Snapdragon X12 LTE modem.

Swisscom plans to roll out this solution to subscribers in Swiss metropolitan areas by summer 2016 to coincide with three-carrier FDD/TDD smartphone availability.

Ericsson said the combination of the three carriers in FDD-LTE and TDD-LTE will significantly enhance the future capacity of the network. The new technology will allow more users to benefit from peak data rates for downloads and uploads when using mobile internet, entertainment or enterprise services. In this specific set-up, a maximum 335 Mbps in the downlink was achieved.

http://www.swisscomm.com
http://www.ericsson.com

Wednesday, July 15, 2015

China Mobile Demos 220 Mbps on 3.5 GHz interband TD-LTE

China Mobile has demonstrated 220 Mbps peak data transmission rates based on 3.5 GHz interband TD-LTE-Advanced carrier aggregation.

The live demo, which was conducted at this week's Mobile World Congress Shanghai 2015, used a commercial Nokia Flexi Multiradio 10 Base Station and a test device to run combined 3.5 GHz and 2.6 GHz TD-LTE frequency bands.

The 3.5 GHz band is another important spectrum resource for 4G networks, which will be used in TD-LTE. This demo not only proves the commercial feasibility of the 3.5 GHz TD-LTE band, but also shows 3.5 GHz can be aggregated with current bands, enhancing 4G networks with more capacity.”

http://networks.nokia.com

Wednesday, March 4, 2015

Marvell Unveils 5-mode 4G LTE Release 10 Modem

Marvell unveiled a 5-mode 4G LTE Release 10 modem chipset supporting Carrier Aggregation.

The Marvell ARMADA Mobile PXA1826 extends the company's leadership in 64-bit quad-core and octa-core 4G LTE mobile processors for global markets.

Key features include:

  • Multi-mode LTE R10 CAT7 supporting TD-LTE, FDD-LTE, TD-SCDMA, WCDMA and GSM
  • Integrated Cortex A7, up to 1.2GHz
  • Support CSFB and VoLTE voice services
  • Includes Marvell’s LTE R10 RF transceiver

“I am very pleased to launch our industry-leading 5-mode 4G LTE Release 10 modem with carrier aggregation. Our leadership in 4G LTE technology and close collaboration with top global operators and tier-one OEMs have significantly accelerated the mass deployment of 4G LTE in China and around the world,” said Weili Dai, President and Co-Founder of Marvell. “Carrier aggregation is an important technology to increase capacity and enable new features in cellular communication.”

http://www.marvell.com/

Tuesday, February 24, 2015

Spirent Intros Carrier Agg Test Capabilities for Mobile Devices with Keysight

Spirent Communications introduced a solution for testing maximum data throughput performance for LTE-Advanced carrier aggregation in mobile devices.

The product integrates Keysight Technologies’ UXM platform with the Spirent 8100 Carrier Acceptance and Conformance test solution. The new testing coverage supported by the Keysight UXM enables the Spirent 8100 cover three and four component carrier aggregation. It also supports both FD-LTE and TD-LTE technologies.

“Keysight’s UXM allows Spirent’s recently-launched 8100 X202 solution to offer the advanced carrier aggregation test capabilities needed for current and future LTE-Advanced deployments around the world,” said Rob Van Brunt, general manager of Spirent Communications, “With Keysight and Spirent’s combined testing expertise and sophisticated automated testing, integrating the UXM into our 8100 system positions our customers to stay highly competitive.”

http://www.spirent.com/Products/8100_LTE

Monday, December 15, 2014

Nokia Networks and STC Demo TDD-FDD Aggregation

Nokia Networks and Saudi Telecom Company (STC) demonstrated TDD-FDD Carrier Aggregation using a commercial chipset.

The demonstration was carried out using a new band combination of FDD 1800 MHz and TDD 2300 MHz.

Nokia Networks said high frequency bands have limited uplink coverage, but operators can significantly extend TDD coverage with TDD-FDD carrier aggregation with no additional changes to the network. Load balancing between TDD- and FDD-LTE networks ensures the best coverage and speed for all subscribers in both networks.

http://networks.nokia.com/

Tuesday, November 25, 2014

Telekom Austria A1 Rolls Out LTE-A Carrier Aggregation

Telekom Austria Group's subsidiaries A1 in Austria and Si.mobil in Slovenia are activating LTE-Advanced carrier aggregation to deliver higher bandwidth in select locations.

Working with Ericsson, A1 is using LTE Carrier Aggregation on two 20 MHz frequency blocks from the 800 and 2600 MHz frequency bands, which it acquired in auction in autumn 2013. In Austria, A1 has already started upgrading currently existing mobile base stations in Graz, especially in highly frequented areas.

In Slovenia, selected locations across six cities are going to be covered with LTE Carrier Aggregation with immediate effect. The Slovenian subsidiary Si.mobil has devoted concerted efforts to driving the rollout of its LTE network forward and expects total population coverage of 75% by year-end 2014.

"Network rollout is in full swing and with LTE Carrier Aggregation A1 and Si.mobil offer a further milestone by bringing this future-proof technology to our customers," said Günther Ottendorfer, CTO Telekom Austria Group.

http://www.telekomaustria.com/

Tuesday, November 18, 2014

LTE Category 9 Carrier Aggregation Testing Hits 450 Mbps

Ericsson and Qualcomm Technologies achieved download speeds of up to 450 Mbps in the industry's first inter-company interoperability testing of LTE Category 9.

Testing was conducted using Ericsson's LTE-Advanced network infrastructure, including its commercially available 14B software release and RBS 6000 family of base stations, along with Qualcomm's next-generation LTE-Advanced modem.  Ericsson said it supports all bandwidth and frequency combinations for up to 60 MHz 3x Carrier Aggregation, providing users with speeds of up to 450 Mbps.

Thomas Norén, Vice President, Head of Radio Product Management at Ericsson says: "Inter-company vendor interoperability testing between network and device is key to enabling large-scale commercial deployments.  Working with ecosystem partner Qualcomm, we continue to drive LTE innovation and performance improvements, ensuring a great user experience even as mobile broadband demand grows."

Serge Willenegger, Vice President of Product Management, QTI, says: "We are excited to see our next-generation LTE-Advanced modem play an important role in enabling the world's first multi-company interoperability Category 9 test. We are pleased to be working closely with Ericsson to help lead the mobile industry's transition to next-generation network connectivity as ultra-fast mobile broadband connectivity has become an essential feature for mobile users."

http://www.ericsson.com/news/1872405

Thursday, November 13, 2014

Nokia Demos Small Cell LTE-A Carrier Aggregation of over 200 Mbps

Nokia Networks demonstrated LTE-Advanced (LTE-A) carrier aggregation in small cells delivering a peak data rate of more than 200 Mbps.

The demo, which was conducted at a Nokia lab in Arlington Heights, Illinois, showed small cell LTE-A intra-site carrier aggregation.  The test aggregated 2 x 20 MHz of TD-LTE using a TD-LTE capable Category 6 device resulting in a throughput approaching 220 Mbps.

Nokia said this testing demonstrated that the performance of its Flexi Zone small cells can be doubled using a single micro or pico base station.

Nokia Flexi Zone small cells support up to 600 active users or devices to enable operators to meet future growth in demand. Commercial Flexi Zone small cell deployments are already supporting heavy traffic loads of more than 150 active users per cell – a figure exceeding typical specifications for other small cell products on the market. The installations have also achieved 100% availability, even under high traffic load, while offloading 80% of traffic from the operator’s macro network.

“The market success reflects the ongoing development of our Flexi Zone small cells solution. When we first announced Flexi Zone micro and pico base stations, we did what many pundits thought was impossible by packing a macro sector’s worth of capacity into the industry’s smallest outdoor small cell and bringing full macro software parity,” said Marc Rouanne, executive vice president, mobile broadband, Nokia Networks. “We also promised to show that it would be possible to software upgrade a small cell to LTE-A. Now we’ve done that too.”

http://networks.nokia.com

Tuesday, October 7, 2014

SingTel Hits 260 Mbps with FDD / TDD Carrier Aggregation

SingTel achieved data rates of up to 260 Mbps using LTE Advanced FDD / TDD Carrier Aggregation on commercial hardware and software.

In tests, which took place at the SingTel office in Singapore on October 3, 2014, utilizing a Qualcomm Snapdragon 810 processor and Ericsson's LTE software designed to support the company's multi-standard RBS6000 family of base stations for macro and small-cell networks. In the demonstration, Ericsson aggregated 20 MHz of LTE FDD spectrum with 20 MHz of LTE TDD spectrum, supporting peak data rates up to 260 Mbps.

Ericsson said FDD / TDD Carrier Aggregation enables operators to complement their FDD networks with a cost-efficient deployment of TDD. For operators using TDD bands, the TDD uplink coverage can be a constraint. By combining TDD and FDD spectrum through Carrier Aggregation, low band FDD can deliver good uplink coverage while the TDD band can be leveraged for higher downlink capacity. LTE FDD / TDD Carrier Aggregation enables spectrum from both LTE FDD and LTE TDD to be combined to deliver higher peak data speeds and improve app coverage across the network. It increases the effective TDD coverage area by up to 70%, reducing the cost of providing TDD coverage. It also ensures efficient utilization of spectrum, increasing both the combined FDD / TDD coverage area and capacity of the network.

Commercial devices supporting FDD / TDD Carrier Aggregation are expected in 2015.

Tay Yeow Lian, Managing Director for Networks, SingTel says: "We are already using dual-layers of LTE FDD with LTE-Advanced Carrier Aggregation, and we know the performance of our mobile network is critical to ensuring that our customers have a great experience on their smartphones and tablets. Therefore, we will continue to explore the future option of bundling even TDD spectrum into the LTE carrier aggregation to expand network capacity, allowing our customers to enjoy consistent high data speed download even at high traffic areas."

http://www.ericsson.com/news/1861153


In June 2014, SingTel is launching a 4G mobile broadband service boasting data speeds of up to 300Mbps, double the speeds of currently available 4G services in Singapore.

SingTel's 300 Mbps uses LTE-Advanced technology from Ericsson.

SingTel is using LTE-Advanced (LTE-A) carrier aggregation to combine 20 MHz bandwidth each of its 1800MHz and 2600MHz spectrum bands. 

 The first live site at Singapore Expo is now ready for service.  By the end of the year, more than half of the island will be covered, including areas such as the CBD, Changi Airport and popular shopping malls. Customers can look forward to nationwide coverage by the end of 2015.

Wednesday, September 3, 2014

China Telecom Tests 260 Mbps FDD- TDD Carrier Aggregation with Nokia

China Telecom, in partnership with Nokia Networks, has demonstrated the world-first FDD-TDD carrier aggregation including a user device chipset.

In the demo, Nokia’s LTE base station achieved interoperability with a commercial user chipset developed by Marvell. A stable peak download speed of 260 Mbps was achieved in the carrier aggregation demonstration with FDD 20 MHz in 1.8 GHz and TDD 20 MHz in 2.6 GHz spectrum. For the total speed, FDD spectrum contributed to 150 Mbps while TDD spectrum contributed to 110 Mbps.

“It’s highly satisfying to achieve yet another world-first* toward commercialization and globalization of FDD-TDD carrier aggregation,” said Zhang Qi, Vice President of TD-LTE, Nokia Networks. “This achievement with our partner China Telecom will also encourage other operators globally to look at further spectrum combination for FDD-TDD carrier aggregation into advanced 3GPP Rel-12. We are already working with many major operators globally to deliver FDD-TDD convergence for commercial use.”

http://www.nsn.com

Wednesday, June 11, 2014

Nokia Tests 10 Channel TDD-FDD LTE Carrier Aggregation

Nokia and SK Telecom have tested the aggregation of ten 20 MHz spectrum bands to achieve a record LTE throughput speed of 3.78 Gbps.


The test used Nokia’s Single RAN solution including the high-capacity Flexi Multiradio 10 Base Station, enhanced with software to aggregate carriers on both TDD and FDD LTE spectrum and to implement LTE-Advanced Multiple Input Multiple Output (MIMO) technology.

The companies noted that their record performance demo utilized twice the amount of carriers and bandwidth specified by 3GPP, which foresees the aggregation of 5 carriers up to a total bandwidth of 100 MHz.

“This significant throughput achievement builds on our long-term collaboration with Nokia to make the most of TDD-FDD converged technologies. It is also a proofpoint of our continued leadership in providing the fastest connections and the highest quality for subscribers who use advanced data services,” said Alex Jinsung Choi, Executive Vice President and Head of ICT R&D Division at SK Telecom. “Once again, SK Telecom and Nokia have set a benchmark for the global telecoms industry.”

“This amazing speed record shows that Nokia continues to maintain its position as a clear throughput leader in the TD-LTE arena”, said Zhang Qi, vice president of TD-LTE at Nokia. “Operators worldwide can be confident in our capability to tackle the increasing demands for not only faster download but also data upload speeds.”

http://www.nsn.com


Thursday, May 22, 2014

Telstra Demos LTE Advanced Carrier Aggregation at 450 Mbps

Telstra has demonstrated downlink speeds of 450 Mbps using LTE Advanced Carrier Aggregation across a trial combination of 1800MHz and 2600MHz bands over its live network.

Telstra worked with Ericsson to install equipment for two new 4G Frequency Division Duplexing (FDD) channels of 20MHz bandwidth each on the 2600MHz spectrum band (40MHz FDD), aggregated with live 20MHz of 4G on the 1800MHz band. The result was three simultaneous side-by-side paths for the data to travel through to the operational core network. Telstra also used an advanced prototype Cat 9 engineering device that could combine the three channels to achieve these speeds.

"Conducting this type of test is a significant step in the network engineering and development process. It is essential for us to see how this type of technology works in the live network and understand what needs to be done to continue to absorb the exploding demand in mobile broadband and offer an exceptional customer experience,” Mike Wright, Group Managing Director Telstra Networks.

”Telstra has the largest holding of APT700MHz and 2600MHz spectrum in Australia and we expect we will eventually be able to offer this service across much if not most of our mobile network footprint, allowing more of our customers to benefit from improved capacity and faster speeds,” said Mr Wright.

http://www.telstra.com

In February 2014, Ericsson and Qualcomm Technologies conducted the first inter-vendor interoperability testing of LTE Category 6, which promises potential speeds of up to 300 Mbps.

The final stages of testing, which were completed in collaboration with Telstra, was based on ready-to-release versions of Ericsson's L14A software release. Ericsson said its L14A software leverages load balancing for better spectrum efficiency and improved user experience during high-load situations. It supports all bandwidth and frequency combinations for up to 40MHz Carrier Aggregation, providing users with speeds of up to 300 Mbps.  The test also used Qualcomm;s fourth-generation 3G/LTE multimode modem, the Qualcomm Gobi 9x35 chipset.

Tuesday, February 25, 2014

Huawei and Vodafone Announce FDD and TDD Carrier Aggregation

Huawei and Vodafone announced the first implementation of LTE-Advanced FDD+TDD Convergence Carrier Aggregation (CA).

At Mobile World Congress, the companies said their prototype achieved a single user peak downlink speed of more than 500 Mbps. The demonstration involved 3 FDD carriers and 1 TDD carrier.

Vodafone currently has 800MHz, 1800MHz, and 2600MHz, a total of 50MHz spectrum bandwidth in FDD mode and 20MHz of 2600MHz in TDD
mode in Spain. This latest breakthrough in FDD+TDD Carrier Aggregation technology will boost Vodafone’s network capacity in the country and enable the operator to have more flexibility in deploying 2CC and 3CC CA solutions in the future.

Vodafone first rolled out its 1800MHz and 2600MHz commercial LTE services in the main cities of Spain at the beginning of 2013, with a peak speed of 150Mbps/user.

http://www.huawei.com

Wednesday, February 5, 2014

NSN Extends LTE-Advanced Carrier Aggregation to 3 Carriers

Nokia Solutions and Networks is enhancing its Carrier Aggregation software to be able to support 3 carriers. This should allow for individual users’ downlink data rates of up to 450 Mbps for operators having a total bandwidth of up to 60 MHz in up to 3 bands.

NSN is also implementing dynamic, load-balancing enhanced Inter Cell Interference Coordination (eICIC) to enable highly efficient, capacity-focused LTE small cell deployments. eICIC solution manages interference while balancing the subscriber load across the small cell and macro layers. NSN said its solution works with upcoming LTE-Advanced devices as well as with the LTE devices available today.

Both enhancements are software upgrades to NSN’s Flexi Multiradio 10 and Flexi Zone Micro/Pico base stations. NSN will present these innovations at Mobile World Congress 2014.

“As the development of LTE and TD-LTE smartphones progresses towards higher aggregated bandwidth, operators continue to evolve their LTE network capacity adding further frequency allocations. With our software-based evolution of LTE-Advanced Carrier Aggregation, we combine the advantages of both these trends,” said Tero Peltola, vice president of FDD LTE at NSN.

“The small cell deployment focus is definitely moving beyond simply filling coverage gaps to improving subscriber experience with added capacity. Even though it is possible to deploy LTE small cells without interference management, NSN’s dynamic, load-balancing eICIC solution boosts capacity by up to 30 percent with coordinated macro and small cell interference management techniques,” continued Peltola. “For effective capacity growth with HetNets, resource management must be optimized for all users, regardless of their LTE device’s capabilities or whether they are connected on the small cell or macro layer. With our solution, operators can ensure every user enjoys a performance boost following the small cell deployments.”

http://www.nsn.com

See also