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PTCL expands Pakistan network capacity to 200G

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Pakistan Telecommunication Company Limited (PTCL) is expanding the capacity of its recently installed 100G transport network to 200G across the cities of Islamabad, Lahore and Karachi.

With this expansion, PTCL says that it has become the first operator to deploy high-performance 200G 8-Quadrature Amplitude Modulation (QAM) in the country.

The upgrade of its optical network allows the operator to address the growing demands of bandwidth, while flexibly enhancing capacity with Software Defined Network (SDN) capabilities provided by a Nokia solution.

Nokia’s services such as network design, planning and optimisation, project management of site acquisition, civil work construction, and network implementation were used to deploy the network. Further, the flexgrid technology provided allows PTCL to upgrade to 300G or 400G in the future over the same installed base.

The company’s 1830 photonic service switch (PSS) allows fast deployment, while maximising network capacity and efficiency. Using PTCL’s fibre footprint, Nokia’s Dense Wavelength Division Multiplexing (DWDM) network provides multipath redundancy against multiple fibre cuts, hence ensuring higher network availability SLAs.

Reconfigurable Optical Add-Drop Multiplexer (ROADM) technology helps service providers to meet an unpredictable increase in traffic. 8-QAM increases spectral efficiency allowing service providers, like PTCL, to maximise the available resources.

Saad Muzaffar Waraich, chief technology and information officer, PTCL, said: ‘Being consistently a top-class service provider involves continuously modernising and upgrading the network as per the changing consumption patterns. In view of this, we have enhanced the existing capacity from 100G optical network to 200G to take care of the growing traffic in these cities. Nokia’s technology and expertise helped us to deploy 100G and enhance customer experience, so its 200G technology is also the right choice for expanding network capacity.’

Carlo Corti, director of the optics business development, MEA at Nokia, added: ‘Our field-proven technology enables PTCL, in its unwavering commitment, to provide the best-in-class network experience to its subscribers. It allows PTCL to differentiate its services based on quality. With our 200G technology, PTCL is now in a position to cost efficiently address the ever-growing demand for capacity.’

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