Maximize spectrum efficiency with Huawei [email protected]

Huawei Technologies
02 Mar 2017

Sponsored article

Huawei's [email protected] solution was successfully deployed recently in India and Nigeria, heralding the start of worldwide commercial deployment of this solution. The [email protected] solution realizes GSM and UMTS co-deployment with a minimal bandwidth of 5 MHz spectrum on the 900 MHz frequency band, increasing radio spectrum efficiency.

The world is seeing proliferative mobile broadband (MBB) growth. A constant challenge for operators is that radio spectrum is too limited to sustain MBB development. Statistics show that 15% of global operators have only 5 to 6 MHz of spectrum on the 900-MHz frequency band. Such limited spectrum cannot enable simultaneous GSM and UMTS deployment. In developing countries, given that there are still considerable GSM service demands, operators cannot release GSM spectrum to serve mobile broadband networks, hindering further development of mobile networks. In addition, GSM M2M (Machine-to-Machine) services will continue to exist for a long period of time. Therefore, using the least possible spectrum to fulfill the M2M service requirements while ensuring fast MBB growth has already become a tough issue for global operators.

To address these problems, Huawei releases the [email protected] solution. Traditionally, networks using different radio standards use a certain portion of spectral resources, and the spectrum cannot be shared between networks. With Huawei's [email protected] solution, spectrum resources can be shared between networks. Joint scheduling and ultra-narrowband filtering are used to effectively eliminate the interference caused by GSM and UMTS spectrum overlapping, ensuring that key performance indicators (KPIs) can remain stable for GSM services. In addition, the [email protected] solution supports flexible spectrum allocation between GSM and UMTS networks. When the GSM network does not have a heavy traffic load, this solution allows more spectrum resources to be used to meet UMTS capacity requirements, ensuring a superior user experience.

In India, the [email protected] deployment helps the operator realize the UMTS900 deployment with a 6.4 MHz spectrum on the 900 frequency band, ensuring a high standard of GSM capacity performance. The commercial-network performance data demonstrates a significantly improved MBB user experience. After the deployment, the KPIs for GSM services remain stable and the MBB service traffic increases by more than 30%.

In Nigeria, the [email protected] deployment helps the operator achieve a coexistent GSM and UMTS deployment with a 5 MHz spectrum on the 900-MHz frequency band. To achieve the UMTS900 deployment, the operator does not have to concern itself with GSM traffic loss and coverage deterioration caused by discontinuing the GSM900 network. The commercial-network performance data shows that, after the deployment, not only the operator still sees a stable GSM subscriber base, but also the MBB throughput is tripled in indoor in-depth coverage settings, meaning a significant MBB service experience improvement.

This year, the [email protected] deployment will also enter commercial deployment for operators in Egypt and Poland to accelerate MBB development with a limited 5 MHz spectrum.

"The [email protected] solution breaks the restrictive pattern that networks of different radio standards exclusively use a certain spectrum resource, which increases the flexibility for mobile network deployment," commented An Jian, president of Huawei's wireless network marketing & solution sales department.

"This is an innovative solution. Its successful deployment on commercial networks has great significance. We will continue to improve the [email protected] solution to better help operators maximize the value of the radio spectrum in their pursuit of delivering excellent mobile broadband service experience."

MWC 2017 runs from February 24 to March 2 in Barcelona, Spain. Huawei is showcasing its products and solutions at booth 1J50 in Fira Gran Via Hall 1, booth 3130 in Hall 3, and the Innovation City zone in Hall 4. For more information, please visit

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